Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba'

* commit '059a934806d61f7af9ab3fd9f74994b838ea5eba':
  lavc: Consistently prefix input buffer defines

Conflicts:
	doc/examples/decoding_encoding.c
	libavcodec/4xm.c
	libavcodec/aac_adtstoasc_bsf.c
	libavcodec/aacdec.c
	libavcodec/aacenc.c
	libavcodec/ac3dec.h
	libavcodec/asvenc.c
	libavcodec/avcodec.h
	libavcodec/avpacket.c
	libavcodec/dvdec.c
	libavcodec/ffv1enc.c
	libavcodec/g2meet.c
	libavcodec/gif.c
	libavcodec/h264.c
	libavcodec/h264_mp4toannexb_bsf.c
	libavcodec/huffyuvdec.c
	libavcodec/huffyuvenc.c
	libavcodec/jpeglsenc.c
	libavcodec/libxvid.c
	libavcodec/mdec.c
	libavcodec/motionpixels.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/noise_bsf.c
	libavcodec/nuv.c
	libavcodec/nvenc.c
	libavcodec/options.c
	libavcodec/parser.c
	libavcodec/pngenc.c
	libavcodec/proresenc_kostya.c
	libavcodec/qsvdec.c
	libavcodec/svq1enc.c
	libavcodec/tiffenc.c
	libavcodec/truemotion2.c
	libavcodec/utils.c
	libavcodec/utvideoenc.c
	libavcodec/vc1dec.c
	libavcodec/wmalosslessdec.c
	libavformat/adxdec.c
	libavformat/aiffdec.c
	libavformat/apc.c
	libavformat/apetag.c
	libavformat/avidec.c
	libavformat/bink.c
	libavformat/cafdec.c
	libavformat/flvdec.c
	libavformat/id3v2.c
	libavformat/isom.c
	libavformat/matroskadec.c
	libavformat/mov.c
	libavformat/mpc.c
	libavformat/mpc8.c
	libavformat/mpegts.c
	libavformat/mvi.c
	libavformat/mxfdec.c
	libavformat/mxg.c
	libavformat/nutdec.c
	libavformat/oggdec.c
	libavformat/oggparsecelt.c
	libavformat/oggparseflac.c
	libavformat/oggparseopus.c
	libavformat/oggparsespeex.c
	libavformat/omadec.c
	libavformat/rawdec.c
	libavformat/riffdec.c
	libavformat/rl2.c
	libavformat/rmdec.c
	libavformat/rtpdec_latm.c
	libavformat/rtpdec_mpeg4.c
	libavformat/rtpdec_qdm2.c
	libavformat/rtpdec_svq3.c
	libavformat/sierravmd.c
	libavformat/smacker.c
	libavformat/smush.c
	libavformat/spdifenc.c
	libavformat/takdec.c
	libavformat/tta.c
	libavformat/utils.c
	libavformat/vqf.c
	libavformat/westwood_vqa.c
	libavformat/xmv.c
	libavformat/xwma.c
	libavformat/yop.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>

153 files changed, 296 insertions, 287 deletions

diff --git a/doc/examples/decoding_encoding.c b/doc/examples/decoding_encoding.c
index e1f4ae36ae..fb386eb184 100644
--- a/doc/examples/decoding_encoding.c
+++ b/doc/examples/decoding_encoding.c
@@ -245,7 +245,7 @@ static void audio_decode_example(const char *outfilename, const char *filename)
     AVCodecContext *c= NULL;
     int len;
     FILE *f, *outfile;
-    uint8_t inbuf[AUDIO_INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t inbuf[AUDIO_INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
     AVPacket avpkt;
     AVFrame *decoded_frame = NULL;
 
@@ -538,13 +538,13 @@ static void video_decode_example(const char *outfilename, const char *filename)
     int frame_count;
     FILE *f;
     AVFrame *frame;
-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t inbuf[INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
     AVPacket avpkt;
 
     av_init_packet(&avpkt);
 
     /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
-    memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(inbuf + INBUF_SIZE, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     printf("Decode video file %s to %s\n", filename, outfilename);
 
diff --git a/doc/examples/qsvdec.c b/doc/examples/qsvdec.c
index 6dbb21031d..04e5b5f85d 100644
--- a/doc/examples/qsvdec.c
+++ b/doc/examples/qsvdec.c
@@ -405,7 +405,7 @@ int main(int argc, char **argv)
     decoder_ctx->codec_id = AV_CODEC_ID_H264;
     if (video_st->codec->extradata_size) {
         decoder_ctx->extradata = av_mallocz(video_st->codec->extradata_size +
-                                            FF_INPUT_BUFFER_PADDING_SIZE);
+                                            AV_INPUT_BUFFER_PADDING_SIZE);
         if (!decoder_ctx->extradata) {
             ret = AVERROR(ENOMEM);
             goto finish;
diff --git a/ffmpeg.c b/ffmpeg.c
index be09cff55c..07c62a4ca8 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -643,7 +643,7 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
     int ret;
 
     if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
-        ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (ost->st->codec->extradata) {
             memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
             ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
@@ -688,10 +688,10 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
                                            pkt->data, pkt->size,
                                            pkt->flags & AV_PKT_FLAG_KEY);
         if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
-            uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
+            uint8_t *t = av_malloc(new_pkt.size + AV_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
             if(t) {
                 memcpy(t, new_pkt.data, new_pkt.size);
-                memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+                memset(t + new_pkt.size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
                 new_pkt.data = t;
                 new_pkt.buf = NULL;
                 a = 1;
@@ -2811,7 +2811,7 @@ static int transcode_init(void)
 
             av_assert0(ist && !ost->filter);
 
-            extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+            extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
 
             if (extra_size > INT_MAX) {
                 return AVERROR(EINVAL);
diff --git a/ffserver.c b/ffserver.c
index c74cd157aa..5c8810af4d 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -3510,7 +3510,7 @@ static void extract_mpeg4_header(AVFormatContext *infile)
                 if (p[0] == 0x00 && p[1] == 0x00 &&
                     p[2] == 0x01 && p[3] == 0xb6) {
                     size = p - pkt.data;
-                    st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
+                    st->codec->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
                     st->codec->extradata_size = size;
                     memcpy(st->codec->extradata, pkt.data, size);
                     break;
diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c
index 9af4546bc0..a7a757a078 100644
--- a/libavcodec/4xm.c
+++ b/libavcodec/4xm.c
@@ -883,11 +883,11 @@ static int decode_frame(AVCodecContext *avctx, void *data,
         }
         cfrm = &f->cfrm[i];
 
-        if (data_size > UINT_MAX -  cfrm->size - FF_INPUT_BUFFER_PADDING_SIZE)
+        if (data_size > UINT_MAX -  cfrm->size - AV_INPUT_BUFFER_PADDING_SIZE)
             return AVERROR_INVALIDDATA;
 
         cfrm->data = av_fast_realloc(cfrm->data, &cfrm->allocated_size,
-                                     cfrm->size + data_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                                     cfrm->size + data_size + AV_INPUT_BUFFER_PADDING_SIZE);
         // explicit check needed as memcpy below might not catch a NULL
         if (!cfrm->data) {
             av_log(f->avctx, AV_LOG_ERROR, "realloc failure\n");
diff --git a/libavcodec/a64multienc.c b/libavcodec/a64multienc.c
index 1587ac21ca..91aac0933f 100644
--- a/libavcodec/a64multienc.c
+++ b/libavcodec/a64multienc.c
@@ -235,7 +235,7 @@ static av_cold int a64multi_encode_init(AVCodecContext *avctx)
     }
 
     /* set up extradata */
-    if (!(avctx->extradata = av_mallocz(8 * 4 + FF_INPUT_BUFFER_PADDING_SIZE))) {
+    if (!(avctx->extradata = av_mallocz(8 * 4 + AV_INPUT_BUFFER_PADDING_SIZE))) {
         av_log(avctx, AV_LOG_ERROR, "Failed to allocate memory for extradata.\n");
         return AVERROR(ENOMEM);
     }
diff --git a/libavcodec/aac_adtstoasc_bsf.c b/libavcodec/aac_adtstoasc_bsf.c
index 1f11d02499..9c117c6005 100644
--- a/libavcodec/aac_adtstoasc_bsf.c
+++ b/libavcodec/aac_adtstoasc_bsf.c
@@ -89,7 +89,7 @@ static int aac_adtstoasc_filter(AVBitStreamFilterContext *bsfc,
         }
         av_free(avctx->extradata);
         avctx->extradata_size = 2 + pce_size;
-        avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata) {
             avctx->extradata_size = 0;
             return AVERROR(ENOMEM);
diff --git a/libavcodec/aac_parser.c b/libavcodec/aac_parser.c
index cb93ba9482..0b868edcb2 100644
--- a/libavcodec/aac_parser.c
+++ b/libavcodec/aac_parser.c
@@ -34,7 +34,7 @@ static int aac_sync(uint64_t state, AACAC3ParseContext *hdr_info,
     int size;
     union {
         uint64_t u64;
-        uint8_t  u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
+        uint8_t  u8[8 + AV_INPUT_BUFFER_PADDING_SIZE];
     } tmp;
 
     tmp.u64 = av_be2ne64(state);
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 2f1bb2a9cb..c0364033d6 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -322,14 +322,14 @@ static int latm_decode_audio_specific_config(struct LATMContext *latmctx,
 
         if (avctx->extradata_size < esize) {
             av_free(avctx->extradata);
-            avctx->extradata = av_malloc(esize + FF_INPUT_BUFFER_PADDING_SIZE);
+            avctx->extradata = av_malloc(esize + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!avctx->extradata)
                 return AVERROR(ENOMEM);
         }
 
         avctx->extradata_size = esize;
         memcpy(avctx->extradata, gb->buffer + (config_start_bit/8), esize);
-        memset(avctx->extradata+esize, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(avctx->extradata+esize, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     }
     skip_bits_long(gb, bits_consumed);
 
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index dda8d51e2c..e29c803278 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -3098,7 +3098,7 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
     if (new_extradata && 0) {
         av_free(avctx->extradata);
         avctx->extradata = av_mallocz(new_extradata_size +
-                                      FF_INPUT_BUFFER_PADDING_SIZE);
+                                      AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata)
             return AVERROR(ENOMEM);
         avctx->extradata_size = new_extradata_size;
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index bace7cf6ec..ee1a835439 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -817,7 +817,7 @@ static av_cold int alloc_buffers(AVCodecContext *avctx, AACEncContext *s)
     int ch;
     FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->buffer.samples, s->channels, 3 * 1024 * sizeof(s->buffer.samples[0]), alloc_fail);
     FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->cpe, s->chan_map[0], sizeof(ChannelElement), alloc_fail);
-    FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + FF_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
+    FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + AV_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
 
     for(ch = 0; ch < s->channels; ch++)
         s->planar_samples[ch] = s->buffer.samples + 3 * 1024 * ch;
diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c
index 678f08d2d7..5ab5627a46 100644
--- a/libavcodec/ac3_parser.c
+++ b/libavcodec/ac3_parser.c
@@ -166,7 +166,7 @@ static int ac3_sync(uint64_t state, AACAC3ParseContext *hdr_info,
     int err;
     union {
         uint64_t u64;
-        uint8_t  u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
+        uint8_t  u8[8 + AV_INPUT_BUFFER_PADDING_SIZE];
     } tmp = { av_be2ne64(state) };
     AC3HeaderInfo hdr, *phdr = &hdr;
     GetBitContext gbc;
diff --git a/libavcodec/ac3dec.h b/libavcodec/ac3dec.h
index 5259c60009..b3498fec96 100644
--- a/libavcodec/ac3dec.h
+++ b/libavcodec/ac3dec.h
@@ -235,7 +235,7 @@ typedef struct AC3DecodeContext {
     DECLARE_ALIGNED(32, INTFLOAT, window)[AC3_BLOCK_SIZE];                              ///< window coefficients
     DECLARE_ALIGNED(32, INTFLOAT, tmp_output)[AC3_BLOCK_SIZE];                          ///< temporary storage for output before windowing
     DECLARE_ALIGNED(32, SHORTFLOAT, output)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE];            ///< output after imdct transform and windowing
-    DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread
+    DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread
 ///@}
 } AC3DecodeContext;
 
diff --git a/libavcodec/adpcmenc.c b/libavcodec/adpcmenc.c
index e671358331..9ceea09452 100644
--- a/libavcodec/adpcmenc.c
+++ b/libavcodec/adpcmenc.c
@@ -113,7 +113,7 @@ static av_cold int adpcm_encode_init(AVCodecContext *avctx)
         avctx->frame_size = (BLKSIZE - 7 * avctx->channels) * 2 / avctx->channels + 2;
         avctx->bits_per_coded_sample = 4;
         avctx->block_align    = BLKSIZE;
-        if (!(avctx->extradata = av_malloc(32 + FF_INPUT_BUFFER_PADDING_SIZE)))
+        if (!(avctx->extradata = av_malloc(32 + AV_INPUT_BUFFER_PADDING_SIZE)))
             goto error;
         avctx->extradata_size = 32;
         extradata = avctx->extradata;
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 81ca9134d1..a87c373e25 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -531,7 +531,7 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
                                                  avctx->channels,
                                                  avctx->bits_per_raw_sample);
 
-    avctx->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata) {
         ret = AVERROR(ENOMEM);
         goto error;
diff --git a/libavcodec/asvenc.c b/libavcodec/asvenc.c
index 4b390b047a..d51df80331 100644
--- a/libavcodec/asvenc.c
+++ b/libavcodec/asvenc.c
@@ -265,7 +265,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     }
 
     if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height * a->mb_width * MAX_MB_SIZE +
-                                FF_MIN_BUFFER_SIZE, 0)) < 0)
+                                AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     init_put_bits(&a->pb, pkt->data, pkt->size);
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 89c877aecb..4bdb63f98b 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -886,7 +886,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         return AVERROR(EINVAL);
 
     q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
-                                         FF_INPUT_BUFFER_PADDING_SIZE);
+                                         AV_INPUT_BUFFER_PADDING_SIZE);
     if (!q->decoded_bytes_buffer)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index be340602c4..8163a992a1 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -632,15 +632,24 @@ typedef struct AVCodecDescriptor {
  * Note: If the first 23 bits of the additional bytes are not 0, then damaged
  * MPEG bitstreams could cause overread and segfault.
  */
-#define FF_INPUT_BUFFER_PADDING_SIZE 32
+#define AV_INPUT_BUFFER_PADDING_SIZE 32
 
 /**
  * @ingroup lavc_encoding
  * minimum encoding buffer size
  * Used to avoid some checks during header writing.
  */
-#define FF_MIN_BUFFER_SIZE 16384
+#define AV_INPUT_BUFFER_MIN_SIZE 16384
+
+/**
+ * @deprecated use AV_INPUT_BUFFER_PADDING_SIZE instead
+ */
+#define FF_INPUT_BUFFER_PADDING_SIZE 32
 
+/**
+ * @deprecated use AV_INPUT_BUFFER_MIN_SIZE instead
+ */
+#define FF_MIN_BUFFER_SIZE 16384
 
 /**
  * @ingroup lavc_encoding
@@ -1595,7 +1604,7 @@ typedef struct AVCodecContext {
      * mjpeg: Huffman tables
      * rv10: additional flags
      * mpeg4: global headers (they can be in the bitstream or here)
-     * The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger
+     * The allocated memory should be AV_INPUT_BUFFER_PADDING_SIZE bytes larger
      * than extradata_size to avoid problems if it is read with the bitstream reader.
      * The bytewise contents of extradata must not depend on the architecture or CPU endianness.
      * - encoding: Set/allocated/freed by libavcodec.
@@ -4062,7 +4071,7 @@ int av_grow_packet(AVPacket *pkt, int grow_by);
  *        function returns successfully, the data is owned by the underlying AVBuffer.
  *        The caller may not access the data through other means.
  * @param size size of data in bytes, without the padding. I.e. the full buffer
- *        size is assumed to be size + FF_INPUT_BUFFER_PADDING_SIZE.
+ *        size is assumed to be size + AV_INPUT_BUFFER_PADDING_SIZE.
  *
  * @return 0 on success, a negative AVERROR on error
  */
@@ -4399,7 +4408,7 @@ attribute_deprecated int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *s
  * returning samples. It is safe to flush even those decoders that are not
  * marked with AV_CODEC_CAP_DELAY, then no samples will be returned.
  *
- * @warning The input buffer, avpkt->data must be FF_INPUT_BUFFER_PADDING_SIZE
+ * @warning The input buffer, avpkt->data must be AV_INPUT_BUFFER_PADDING_SIZE
  *          larger than the actual read bytes because some optimized bitstream
  *          readers read 32 or 64 bits at once and could read over the end.
  *
@@ -4439,7 +4448,7 @@ int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame,
  * Some decoders may support multiple frames in a single AVPacket, such
  * decoders would then just decode the first frame.
  *
- * @warning The input buffer must be FF_INPUT_BUFFER_PADDING_SIZE larger than
+ * @warning The input buffer must be AV_INPUT_BUFFER_PADDING_SIZE larger than
  * the actual read bytes because some optimized bitstream readers read 32 or 64
  * bits at once and could read over the end.
  *
@@ -5447,7 +5456,7 @@ AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f);
 
 /**
  * Same behaviour av_fast_malloc but the buffer has additional
- * FF_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
+ * AV_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
  *
  * In addition the whole buffer will initially and after resizes
  * be 0-initialized so that no uninitialized data will ever appear.
diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index 6ba9c0bc5e..10be9d53b8 100644
--- a/libavcodec/avpacket.c
+++ b/libavcodec/avpacket.c
@@ -68,14 +68,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
 static int packet_alloc(AVBufferRef **buf, int size)
 {
     int ret;
-    if ((unsigned)size >= (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)
+    if ((unsigned)size >= (unsigned)size + AV_INPUT_BUFFER_PADDING_SIZE)
         return AVERROR(EINVAL);
 
-    ret = av_buffer_realloc(buf, size + FF_INPUT_BUFFER_PADDING_SIZE);
+    ret = av_buffer_realloc(buf, size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (ret < 0)
         return ret;
 
-    memset((*buf)->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset((*buf)->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     return 0;
 }
@@ -105,20 +105,20 @@ void av_shrink_packet(AVPacket *pkt, int size)
     if (pkt->size <= size)
         return;
     pkt->size = size;
-    memset(pkt->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(pkt->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 }
 
 int av_grow_packet(AVPacket *pkt, int grow_by)
 {
     int new_size;
-    av_assert0((unsigned)pkt->size <= INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE);
+    av_assert0((unsigned)pkt->size <= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
     if (!pkt->size)
         return av_new_packet(pkt, grow_by);
     if ((unsigned)grow_by >
-        INT_MAX - (pkt->size + FF_INPUT_BUFFER_PADDING_SIZE))
+        INT_MAX - (pkt->size + AV_INPUT_BUFFER_PADDING_SIZE))
         return -1;
 
-    new_size = pkt->size + grow_by + FF_INPUT_BUFFER_PADDING_SIZE;
+    new_size = pkt->size + grow_by + AV_INPUT_BUFFER_PADDING_SIZE;
     if (pkt->buf) {
         int ret = av_buffer_realloc(&pkt->buf, new_size);
         if (ret < 0)
@@ -136,17 +136,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
     pkt->data  = pkt->buf->data;
     pkt->size += grow_by;
-    memset(pkt->data + pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     return 0;
 }
 
 int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
 {
-    if (size >= INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
+    if (size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
         return AVERROR(EINVAL);
 
-    pkt->buf = av_buffer_create(data, size + FF_INPUT_BUFFER_PADDING_SIZE,
+    pkt->buf = av_buffer_create(data, size + AV_INPUT_BUFFER_PADDING_SIZE,
                                 av_buffer_default_free, NULL, 0);
     if (!pkt->buf)
         return AVERROR(ENOMEM);
@@ -174,9 +174,9 @@ do {                                         \
         void *data;                                                     \
         if (padding) {                                                  \
             if ((unsigned)(size) >                                      \
-                (unsigned)(size) + FF_INPUT_BUFFER_PADDING_SIZE)        \
+                (unsigned)(size) + AV_INPUT_BUFFER_PADDING_SIZE)        \
                 goto failed_alloc;                                      \
-            ALLOC(data, size + FF_INPUT_BUFFER_PADDING_SIZE);           \
+            ALLOC(data, size + AV_INPUT_BUFFER_PADDING_SIZE);           \
         } else {                                                        \
             ALLOC(data, size);                                          \
         }                                                               \
@@ -185,7 +185,7 @@ do {                                         \
         memcpy(data, src, size);                                        \
         if (padding)                                                    \
             memset((uint8_t *)data + size, 0,                           \
-                   FF_INPUT_BUFFER_PADDING_SIZE);                       \
+                   AV_INPUT_BUFFER_PADDING_SIZE);                       \
         dst = data;                                                     \
     } while (0)
 
@@ -303,7 +303,7 @@ uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
 
     if ((unsigned)elems + 1 > INT_MAX / sizeof(*pkt->side_data))
         return NULL;
-    if ((unsigned)size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
+    if ((unsigned)size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
         return NULL;
 
     pkt->side_data = av_realloc(pkt->side_data,
@@ -311,7 +311,7 @@ uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
     if (!pkt->side_data)
         return NULL;
 
-    pkt->side_data[elems].data = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
+    pkt->side_data[elems].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!pkt->side_data[elems].data)
         return NULL;
     pkt->side_data[elems].size = size;
@@ -366,7 +366,7 @@ int av_packet_merge_side_data(AVPacket *pkt){
         AVBufferRef *buf;
         int i;
         uint8_t *p;
-        uint64_t size= pkt->size + 8LL + FF_INPUT_BUFFER_PADDING_SIZE;
+        uint64_t size= pkt->size + 8LL + AV_INPUT_BUFFER_PADDING_SIZE;
         AVPacket old= *pkt;
         for (i=0; i<old.side_data_elems; i++) {
             size += old.side_data[i].size + 5LL;
@@ -383,7 +383,7 @@ FF_DISABLE_DEPRECATION_WARNINGS
         pkt->destruct = dummy_destruct_packet;
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
-        pkt->size = size - FF_INPUT_BUFFER_PADDING_SIZE;
+        pkt->size = size - AV_INPUT_BUFFER_PADDING_SIZE;
         bytestream_put_buffer(&p, old.data, old.size);
         for (i=old.side_data_elems-1; i>=0; i--) {
             bytestream_put_buffer(&p, old.side_data[i].data, old.side_data[i].size);
@@ -392,7 +392,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
         bytestream_put_be64(&p, FF_MERGE_MARKER);
         av_assert0(p-pkt->data == pkt->size);
-        memset(p, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         av_free_packet(&old);
         pkt->side_data_elems = 0;
         pkt->side_data = NULL;
@@ -425,7 +425,7 @@ int av_packet_split_side_data(AVPacket *pkt){
         for (i=0; ; i++){
             size= AV_RB32(p);
             av_assert0(size<=INT_MAX && p - pkt->data >= size);
-            pkt->side_data[i].data = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
+            pkt->side_data[i].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
             pkt->side_data[i].size = size;
             pkt->side_data[i].type = p[4]&127;
             if (!pkt->side_data[i].data)
diff --git a/libavcodec/avuienc.c b/libavcodec/avuienc.c
index 9643445c7e..281c2c1a87 100644
--- a/libavcodec/avuienc.c
+++ b/libavcodec/avuienc.c
@@ -30,7 +30,7 @@ static av_cold int avui_encode_init(AVCodecContext *avctx)
         av_log(avctx, AV_LOG_ERROR, "Only 720x486 and 720x576 are supported.\n");
         return AVERROR(EINVAL);
     }
-    if (!(avctx->extradata = av_mallocz(144 + FF_INPUT_BUFFER_PADDING_SIZE)))
+    if (!(avctx->extradata = av_mallocz(144 + AV_INPUT_BUFFER_PADDING_SIZE)))
         return AVERROR(ENOMEM);
     avctx->extradata_size = 144;
     memcpy(avctx->extradata, "\0\0\0\x18""APRGAPRG0001", 16);
diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c
index 82562b652c..5cc23311f5 100644
--- a/libavcodec/binkaudio.c
+++ b/libavcodec/binkaudio.c
@@ -302,10 +302,10 @@ static int decode_frame(AVCodecContext *avctx, void *data,
             av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
             return AVERROR_INVALIDDATA;
         }
-        buf = av_realloc(s->packet_buffer, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+        buf = av_realloc(s->packet_buffer, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!buf)
             return AVERROR(ENOMEM);
-        memset(buf + avpkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(buf + avpkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         s->packet_buffer = buf;
         memcpy(s->packet_buffer, avpkt->data, avpkt->size);
         if ((ret = init_get_bits8(gb, s->packet_buffer, avpkt->size)) < 0)
diff --git a/libavcodec/cdxl.c b/libavcodec/cdxl.c
index cd573c5d94..50d514b25d 100644
--- a/libavcodec/cdxl.c
+++ b/libavcodec/cdxl.c
@@ -272,7 +272,7 @@ static int cdxl_decode_frame(AVCodecContext *avctx, void *data,
 
     if (encoding) {
         av_fast_padded_malloc(&c->new_video, &c->new_video_size,
-                              h * w + FF_INPUT_BUFFER_PADDING_SIZE);
+                              h * w + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!c->new_video)
             return AVERROR(ENOMEM);
         if (c->bpp == 8)
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 4f4f4fc8ce..673896d6cd 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -1232,11 +1232,11 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
 
     /* Pad the databuffer with:
        DECODE_BYTES_PAD1 or DECODE_BYTES_PAD2 for decode_bytes(),
-       FF_INPUT_BUFFER_PADDING_SIZE, for the bitstreamreader. */
+       AV_INPUT_BUFFER_PADDING_SIZE, for the bitstreamreader. */
     q->decoded_bytes_buffer =
         av_mallocz(avctx->block_align
                    + DECODE_BYTES_PAD1(avctx->block_align)
-                   + FF_INPUT_BUFFER_PADDING_SIZE);
+                   + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!q->decoded_bytes_buffer)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/crystalhd.c b/libavcodec/crystalhd.c
index a299a948e2..3cb32a8c59 100644
--- a/libavcodec/crystalhd.c
+++ b/libavcodec/crystalhd.c
@@ -422,7 +422,7 @@ static av_cold int init(AVCodecContext *avctx)
             int dummy_int;
 
             /* Back up the extradata so it can be restored at close time. */
-            priv->orig_extradata = av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            priv->orig_extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!priv->orig_extradata) {
                 av_log(avctx, AV_LOG_ERROR,
                        "Failed to allocate copy of extradata\n");
diff --git a/libavcodec/dca_parser.c b/libavcodec/dca_parser.c
index 9dafe706e2..337a99d2cb 100644
--- a/libavcodec/dca_parser.c
+++ b/libavcodec/dca_parser.c
@@ -113,7 +113,7 @@ static int dca_parse_params(const uint8_t *buf, int buf_size, int *duration,
                             int *sample_rate, int *framesize)
 {
     GetBitContext gb;
-    uint8_t hdr[12 + FF_INPUT_BUFFER_PADDING_SIZE] = { 0 };
+    uint8_t hdr[12 + AV_INPUT_BUFFER_PADDING_SIZE] = { 0 };
     int ret, sample_blocks, sr_code;
 
     if (buf_size < 12)
diff --git a/libavcodec/dss_sp.c b/libavcodec/dss_sp.c
index a402eed148..7cf84899fc 100644
--- a/libavcodec/dss_sp.c
+++ b/libavcodec/dss_sp.c
@@ -66,7 +66,7 @@ typedef struct DssSpContext {
     int pulse_dec_mode;
 
     DECLARE_ALIGNED(16, uint8_t, bits)[DSS_SP_FRAME_SIZE +
-                                       FF_INPUT_BUFFER_PADDING_SIZE];
+                                       AV_INPUT_BUFFER_PADDING_SIZE];
 } DssSpContext;
 
 /*
diff --git a/libavcodec/dump_extradata_bsf.c b/libavcodec/dump_extradata_bsf.c
index d40a52a829..08c422704d 100644
--- a/libavcodec/dump_extradata_bsf.c
+++ b/libavcodec/dump_extradata_bsf.c
@@ -36,12 +36,12 @@ static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx,
             /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
             int size= buf_size + avctx->extradata_size;
             *poutbuf_size= size;
-            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+            *poutbuf= av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!*poutbuf)
                 return AVERROR(ENOMEM);
 
             memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
-            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
             return 1;
         }
     }
diff --git a/libavcodec/dvdec.c b/libavcodec/dvdec.c
index 0cece1fa26..679075e6a9 100644
--- a/libavcodec/dvdec.c
+++ b/libavcodec/dvdec.c
@@ -287,8 +287,8 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
     GetBitContext gb;
     BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1;
     LOCAL_ALIGNED_16(int16_t, sblock, [5 * DV_MAX_BPM], [64]);
-    LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80     + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
-    LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [80 * 5 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
+    LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80     + AV_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
+    LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [80 * 5 + AV_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
     const int log2_blocksize = 3-s->avctx->lowres;
     int is_field_mode[5];
     int vs_bit_buffer_damaged = 0;
diff --git a/libavcodec/eamad.c b/libavcodec/eamad.c
index 70d65bea84..4e202f98a3 100644
--- a/libavcodec/eamad.c
+++ b/libavcodec/eamad.c
@@ -312,7 +312,7 @@ static int decode_frame(AVCodecContext *avctx,
         return AVERROR(ENOMEM);
     s->bbdsp.bswap16_buf(s->bitstream_buf, (const uint16_t *)(buf + bytestream2_tell(&gb)),
                          bytestream2_get_bytes_left(&gb) / 2);
-    memset((uint8_t*)s->bitstream_buf + bytestream2_get_bytes_left(&gb), 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset((uint8_t*)s->bitstream_buf + bytestream2_get_bytes_left(&gb), 0, AV_INPUT_BUFFER_PADDING_SIZE);
     init_get_bits(&s->gb, s->bitstream_buf, 8*(bytestream2_get_bytes_left(&gb)));
 
     for (s->mb_y=0; s->mb_y < (avctx->height+15)/16; s->mb_y++)
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index e1322c0dc9..e24c320e32 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -550,7 +550,7 @@ static int write_extradata(FFV1Context *f)
 
     f->avctx->extradata_size = 10000 + 4 +
                                     (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;
-    f->avctx->extradata = av_malloc(f->avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    f->avctx->extradata = av_malloc(f->avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!f->avctx->extradata)
         return AVERROR(ENOMEM);
     ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);
@@ -1197,7 +1197,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     uint8_t keystate    = 128;
     uint8_t *buf_p;
     int i, ret;
-    int64_t maxsize =   FF_MIN_BUFFER_SIZE
+    int64_t maxsize =   AV_INPUT_BUFFER_MIN_SIZE
                       + avctx->width*avctx->height*35LL*4;
 
     if(!pict) {
@@ -1246,7 +1246,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     }
 
     if (f->version > 3)
-        maxsize = FF_MIN_BUFFER_SIZE + avctx->width*avctx->height*3LL*4;
+        maxsize = AV_INPUT_BUFFER_MIN_SIZE + avctx->width*avctx->height*3LL*4;
 
     if ((ret = ff_alloc_packet2(avctx, pkt, maxsize, 0)) < 0)
         return ret;
diff --git a/libavcodec/flashsv2enc.c b/libavcodec/flashsv2enc.c
index 9f048f91ef..c2c00f4916 100644
--- a/libavcodec/flashsv2enc.c
+++ b/libavcodec/flashsv2enc.c
@@ -854,7 +854,7 @@ static int flashsv2_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int res;
     int keyframe = 0;
 
-    if ((res = ff_alloc_packet2(avctx, pkt, s->frame_size + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((res = ff_alloc_packet2(avctx, pkt, s->frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return res;
 
     /* First frame needs to be a keyframe */
diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c
index 857030361b..3e0573af93 100644
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -193,7 +193,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
 
     pixels = s->frame->data[0];
     pixel_limit = s->avctx->height * s->frame->linesize[0];
-    if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + FF_INPUT_BUFFER_PADDING_SIZE))
+    if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + AV_INPUT_BUFFER_PADDING_SIZE))
         return AVERROR_INVALIDDATA;
     frame_size = bytestream2_get_le32(&g2);
     if (frame_size > buf_size)
diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c
index 3682d26d49..b1457b7f97 100644
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -294,10 +294,10 @@ static int jpg_decode_data(JPGContext *c, int width, int height,
     const int ridx = swapuv ? 2 : 0;
 
     if ((ret = av_reallocp(&c->buf,
-                           src_size + FF_INPUT_BUFFER_PADDING_SIZE)) < 0)
+                           src_size + AV_INPUT_BUFFER_PADDING_SIZE)) < 0)
         return ret;
     jpg_unescape(src, src_size, c->buf, &unesc_size);
-    memset(c->buf + unesc_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(c->buf + unesc_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     if((ret = init_get_bits8(&gb, c->buf, unesc_size)) < 0)
         return ret;
 
@@ -1185,7 +1185,7 @@ static int g2m_init_buffers(G2MContext *c)
         c->synth_tile  = av_mallocz(c->tile_stride      * aligned_height);
         c->jpeg_tile   = av_mallocz(c->tile_stride      * aligned_height);
         c->kempf_buf   = av_mallocz((c->tile_width + 1) * aligned_height +
-                                    FF_INPUT_BUFFER_PADDING_SIZE);
+                                    AV_INPUT_BUFFER_PADDING_SIZE);
         c->kempf_flags = av_mallocz(c->tile_width       * aligned_height);
         if (!c->synth_tile || !c->jpeg_tile ||
             !c->kempf_buf || !c->kempf_flags)
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index affaecb172..0d3db1f3cf 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -401,7 +401,7 @@ static inline int check_marker(GetBitContext *s, const char *msg)
 
 /**
  * Initialize GetBitContext.
- * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes
+ * @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
  *        larger than the actual read bits because some optimized bitstream
  *        readers read 32 or 64 bit at once and could read over the end
  * @param bit_size the size of the buffer in bits
@@ -432,7 +432,7 @@ static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,
 
 /**
  * Initialize GetBitContext.
- * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes
+ * @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
  *        larger than the actual read bits because some optimized bitstream
  *        readers read 32 or 64 bit at once and could read over the end
  * @param byte_size the size of the buffer in bytes
diff --git a/libavcodec/gif.c b/libavcodec/gif.c
index 1b17377037..acdc0e1e0d 100644
--- a/libavcodec/gif.c
+++ b/libavcodec/gif.c
@@ -269,7 +269,7 @@ static int gif_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     const uint32_t *palette = NULL;
     int ret;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*7/5 + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*7/5 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
     outbuf_ptr = pkt->data;
     end        = pkt->data + pkt->size;
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index abf1723e5a..8b575bee2e 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -324,7 +324,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl,
         dst[di++] = src[si++];
 
 nsc:
-    memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(dst + di, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     *dst_length = di;
     *consumed   = si + 1; // +1 for the header
diff --git a/libavcodec/h264_mp4toannexb_bsf.c b/libavcodec/h264_mp4toannexb_bsf.c
index e919360f96..1693989977 100644
--- a/libavcodec/h264_mp4toannexb_bsf.c
+++ b/libavcodec/h264_mp4toannexb_bsf.c
@@ -57,7 +57,7 @@ static int alloc_and_copy(uint8_t **poutbuf, int *poutbuf_size,
 
     *poutbuf_size += sps_pps_size + in_size + nal_header_size;
     if ((err = av_reallocp(poutbuf,
-                           *poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE)) < 0) {
+                           *poutbuf_size + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
         *poutbuf_size = 0;
         return err;
     }
@@ -178,7 +178,7 @@ static int h264_mp4toannexb_filter(AVBitStreamFilterContext *bsfc,
         if (args && strstr(args, "private_spspps_buf"))
             ctx->private_spspps = 1;
 
-        ret = h264_extradata_to_annexb(ctx, avctx, FF_INPUT_BUFFER_PADDING_SIZE);
+        ret = h264_extradata_to_annexb(ctx, avctx, AV_INPUT_BUFFER_PADDING_SIZE);
         if (ret < 0)
             return ret;
         ctx->length_size      = ret;
diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c
index cc3aa8ee63..1f33b0cdfe 100644
--- a/libavcodec/hevc_filter.c
+++ b/libavcodec/hevc_filter.c
@@ -349,8 +349,8 @@ static void sao_filter_CTB(HEVCContext *s, int x, int y)
             int sh = s->ps.sps->pixel_shift;
             int left_pixels, right_pixels;
 
-            stride_dst = 2*MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE;
-            dst = lc->edge_emu_buffer + stride_dst + FF_INPUT_BUFFER_PADDING_SIZE;
+            stride_dst = 2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE;
+            dst = lc->edge_emu_buffer + stride_dst + AV_INPUT_BUFFER_PADDING_SIZE;
 
             if (!top_edge) {
                 int left = 1 - left_edge;
diff --git a/libavcodec/hevc_mp4toannexb_bsf.c b/libavcodec/hevc_mp4toannexb_bsf.c
index 4263eae6ba..15890f73d7 100644
--- a/libavcodec/hevc_mp4toannexb_bsf.c
+++ b/libavcodec/hevc_mp4toannexb_bsf.c
@@ -67,18 +67,18 @@ static int hevc_extradata_to_annexb(AVCodecContext *avctx)
         for (j = 0; j < cnt; j++) {
             int nalu_len = bytestream2_get_be16(&gb);
 
-            if (4 + FF_INPUT_BUFFER_PADDING_SIZE + nalu_len > SIZE_MAX - new_extradata_size) {
+            if (4 + AV_INPUT_BUFFER_PADDING_SIZE + nalu_len > SIZE_MAX - new_extradata_size) {
                 ret = AVERROR_INVALIDDATA;
                 goto fail;
             }
-            ret = av_reallocp(&new_extradata, new_extradata_size + nalu_len + 4 + FF_INPUT_BUFFER_PADDING_SIZE);
+            ret = av_reallocp(&new_extradata, new_extradata_size + nalu_len + 4 + AV_INPUT_BUFFER_PADDING_SIZE);
             if (ret < 0)
                 goto fail;
 
             AV_WB32(new_extradata + new_extradata_size, 1); // add the startcode
             bytestream2_get_buffer(&gb, new_extradata + new_extradata_size + 4, nalu_len);
             new_extradata_size += 4 + nalu_len;
-            memset(new_extradata + new_extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+            memset(new_extradata + new_extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         }
     }
 
diff --git a/libavcodec/hevc_parse.c b/libavcodec/hevc_parse.c
index 66a6536515..63ed84a8de 100644
--- a/libavcodec/hevc_parse.c
+++ b/libavcodec/hevc_parse.c
@@ -91,7 +91,7 @@ int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length,
     }
 
     av_fast_malloc(&nal->rbsp_buffer, &nal->rbsp_buffer_size,
-                   length + FF_INPUT_BUFFER_PADDING_SIZE);
+                   length + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!nal->rbsp_buffer)
         return AVERROR(ENOMEM);
 
@@ -137,7 +137,7 @@ int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length,
         dst[di++] = src[si++];
 
 nsc:
-    memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(dst + di, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     nal->data = dst;
     nal->size = di;
diff --git a/libavcodec/hevcdsp.h b/libavcodec/hevcdsp.h
index d2ea8672b1..9f1f6dd59f 100644
--- a/libavcodec/hevcdsp.h
+++ b/libavcodec/hevcdsp.h
@@ -61,7 +61,7 @@ typedef struct HEVCDSPContext {
     void (*sao_band_filter[5])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
                                int16_t *sao_offset_val, int sao_left_class, int width, int height);
 
-    /* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE */
+    /* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE */
     void (*sao_edge_filter[5])(uint8_t *_dst /* align 16 */, uint8_t *_src /* align 32 */, ptrdiff_t stride_dst,
                                int16_t *sao_offset_val, int sao_eo_class, int width, int height);
 
diff --git a/libavcodec/hevcdsp_template.c b/libavcodec/hevcdsp_template.c
index cec28e4550..c547eec4f9 100644
--- a/libavcodec/hevcdsp_template.c
+++ b/libavcodec/hevcdsp_template.c
@@ -341,7 +341,7 @@ static void FUNC(sao_edge_filter)(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride
     pixel *src = (pixel *)_src;
     int a_stride, b_stride;
     int x, y;
-    ptrdiff_t stride_src = (2*MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE) / sizeof(pixel);
+    ptrdiff_t stride_src = (2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) / sizeof(pixel);
     stride_dst /= sizeof(pixel);
 
     a_stride = pos[eo][0][0] + pos[eo][0][1] * stride_src;
diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c
index a6ba96be32..a700abb941 100644
--- a/libavcodec/huffyuvdec.c
+++ b/libavcodec/huffyuvdec.c
@@ -41,7 +41,7 @@
 #include "libavutil/pixdesc.h"
 
 #define classic_shift_luma_table_size 42
-static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
+static const unsigned char classic_shift_luma[classic_shift_luma_table_size + AV_INPUT_BUFFER_PADDING_SIZE] = {
     34, 36, 35, 69, 135, 232,   9, 16, 10, 24,  11,  23,  12,  16, 13, 10,
     14,  8, 15,  8,  16,   8,  17, 20, 16, 10, 207, 206, 205, 236, 11,  8,
     10, 21,  9, 23,   8,   8, 199, 70, 69, 68,   0,
@@ -49,7 +49,7 @@ static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF
 };
 
 #define classic_shift_chroma_table_size 59
-static const unsigned char classic_shift_chroma[classic_shift_chroma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
+static const unsigned char classic_shift_chroma[classic_shift_chroma_table_size + AV_INPUT_BUFFER_PADDING_SIZE] = {
     66, 36,  37,  38, 39, 40,  41,  75,  76,  77, 110, 239, 144, 81, 82,  83,
     84, 85, 118, 183, 56, 57,  88,  89,  56,  89, 154,  57,  58, 57, 26, 141,
     57, 56,  58,  57, 58, 57, 184, 119, 214, 245, 116,  83,  82, 49, 80,  79,
diff --git a/libavcodec/huffyuvenc.c b/libavcodec/huffyuvenc.c
index 65d2520dc1..65b165aaa0 100644
--- a/libavcodec/huffyuvenc.c
+++ b/libavcodec/huffyuvenc.c
@@ -760,7 +760,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     const AVFrame * const p = pict;
     int i, j, size = 0, ret;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     if (s->context) {
diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index 4f947bfbf0..9d1f9a77d1 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -240,7 +240,7 @@ static int extract_header(AVCodecContext *const avctx,
                 avctx->pix_fmt = AV_PIX_FMT_RGB32;
                 av_freep(&s->mask_buf);
                 av_freep(&s->mask_palbuf);
-                s->mask_buf = av_malloc((s->planesize * 32) + FF_INPUT_BUFFER_PADDING_SIZE);
+                s->mask_buf = av_malloc((s->planesize * 32) + AV_INPUT_BUFFER_PADDING_SIZE);
                 if (!s->mask_buf)
                     return AVERROR(ENOMEM);
                 if (s->bpp > 16) {
@@ -248,7 +248,7 @@ static int extract_header(AVCodecContext *const avctx,
                     av_freep(&s->mask_buf);
                     return AVERROR(ENOMEM);
                 }
-                s->mask_palbuf = av_malloc((2 << s->bpp) * sizeof(uint32_t) + FF_INPUT_BUFFER_PADDING_SIZE);
+                s->mask_palbuf = av_malloc((2 << s->bpp) * sizeof(uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE);
                 if (!s->mask_palbuf) {
                     av_freep(&s->mask_buf);
                     return AVERROR(ENOMEM);
@@ -275,12 +275,12 @@ static int extract_header(AVCodecContext *const avctx,
             int ham_count;
             const uint8_t *const palette = avctx->extradata + AV_RB16(avctx->extradata);
 
-            s->ham_buf = av_malloc((s->planesize * 8) + FF_INPUT_BUFFER_PADDING_SIZE);
+            s->ham_buf = av_malloc((s->planesize * 8) + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!s->ham_buf)
                 return AVERROR(ENOMEM);
 
             ham_count = 8 * (1 << s->ham);
-            s->ham_palbuf = av_malloc((ham_count << !!(s->masking == MASK_HAS_MASK)) * sizeof (uint32_t) + FF_INPUT_BUFFER_PADDING_SIZE);
+            s->ham_palbuf = av_malloc((ham_count << !!(s->masking == MASK_HAS_MASK)) * sizeof (uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!s->ham_palbuf) {
                 av_freep(&s->ham_buf);
                 return AVERROR(ENOMEM);
@@ -366,7 +366,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     if ((err = av_image_check_size(avctx->width, avctx->height, 0, avctx)))
         return err;
     s->planesize = FFALIGN(avctx->width, 16) >> 3; // Align plane size in bits to word-boundary
-    s->planebuf  = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE);
+    s->planebuf  = av_malloc(s->planesize + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!s->planebuf)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index 2910d308c6..14f9fa30a5 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -1021,7 +1021,7 @@ static int imc_decode_frame(AVCodecContext *avctx, void *data,
 
     IMCContext *q = avctx->priv_data;
 
-    LOCAL_ALIGNED_16(uint16_t, buf16, [(IMC_BLOCK_SIZE + FF_INPUT_BUFFER_PADDING_SIZE) / 2]);
+    LOCAL_ALIGNED_16(uint16_t, buf16, [(IMC_BLOCK_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) / 2]);
 
     if (buf_size < IMC_BLOCK_SIZE * avctx->channels) {
         av_log(avctx, AV_LOG_ERROR, "frame too small!\n");
diff --git a/libavcodec/imx_dump_header_bsf.c b/libavcodec/imx_dump_header_bsf.c
index d53f338a4f..3a69e98c04 100644
--- a/libavcodec/imx_dump_header_bsf.c
+++ b/libavcodec/imx_dump_header_bsf.c
@@ -42,7 +42,7 @@ static int imx_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx
         return 0;
     }
 
-    *poutbuf = av_malloc(buf_size + 20 + FF_INPUT_BUFFER_PADDING_SIZE);
+    *poutbuf = av_malloc(buf_size + 20 + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!*poutbuf)
         return AVERROR(ENOMEM);
     poutbufp = *poutbuf;
diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index 97b89c1c1d..202f82d7e5 100644
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -200,7 +200,7 @@ int avpriv_unlock_avformat(void);
  * This value was chosen such that every bit of the buffer is
  * addressable by a 32-bit signed integer as used by get_bits.
  */
-#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
+#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE)
 
 /**
  * Check AVPacket size and/or allocate data.
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c
index 001718d6da..046e3411fd 100644
--- a/libavcodec/j2kenc.c
+++ b/libavcodec/j2kenc.c
@@ -955,7 +955,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     Jpeg2000EncoderContext *s = avctx->priv_data;
     uint8_t *chunkstart, *jp2cstart, *jp2hstart;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     // init:
diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c
index 683728e374..87650170fa 100644
--- a/libavcodec/jpeg2000.c
+++ b/libavcodec/jpeg2000.c
@@ -215,13 +215,13 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
             (comp->coord[1][1] - comp->coord[1][0]);
 
     if (codsty->transform == FF_DWT97) {
-        csize += FF_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
+        csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
         comp->i_data = NULL;
         comp->f_data = av_mallocz_array(csize, sizeof(*comp->f_data));
         if (!comp->f_data)
             return AVERROR(ENOMEM);
     } else {
-        csize += FF_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->i_data);
+        csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->i_data);
         comp->f_data = NULL;
         comp->i_data = av_mallocz_array(csize, sizeof(*comp->i_data));
         if (!comp->i_data)
diff --git a/libavcodec/jpeglsenc.c b/libavcodec/jpeglsenc.c
index 4e8cd63f6b..1e1a22bed2 100644
--- a/libavcodec/jpeglsenc.c
+++ b/libavcodec/jpeglsenc.c
@@ -269,7 +269,7 @@ static int encode_picture_ls(AVCodecContext *avctx, AVPacket *pkt,
         comps = 3;
 
     if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width  *avctx->height * comps * 4 +
-                                FF_MIN_BUFFER_SIZE, 0)) < 0)
+                                AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     buf2 = av_malloc(pkt->size);
diff --git a/libavcodec/lclenc.c b/libavcodec/lclenc.c
index a6efba5e97..1b1e08bd99 100644
--- a/libavcodec/lclenc.c
+++ b/libavcodec/lclenc.c
@@ -131,7 +131,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
 
     av_assert0(avctx->width && avctx->height);
 
-    avctx->extradata = av_mallocz(8 + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_mallocz(8 + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/libaacplus.c b/libavcodec/libaacplus.c
index 3bf24c7206..fe380871b1 100644
--- a/libavcodec/libaacplus.c
+++ b/libavcodec/libaacplus.c
@@ -81,7 +81,7 @@ static av_cold int aacPlus_encode_init(AVCodecContext *avctx)
 
         if (aacplusEncGetDecoderSpecificInfo(s->aacplus_handle, &buffer,
                                            &decoder_specific_info_size) == 1) {
-            avctx->extradata = av_malloc(decoder_specific_info_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            avctx->extradata = av_malloc(decoder_specific_info_size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!avctx->extradata) {
                 free(buffer);
                 return AVERROR(ENOMEM);
diff --git a/libavcodec/libdcadec.c b/libavcodec/libdcadec.c
index 72fae62fa2..9422e88949 100644
--- a/libavcodec/libdcadec.c
+++ b/libavcodec/libdcadec.c
@@ -56,7 +56,7 @@ static int dcadec_decode_frame(AVCodecContext *avctx, void *data,
     }
     mrk = AV_RB32(input);
     if (mrk != DCA_SYNCWORD_CORE_BE && mrk != DCA_SYNCWORD_SUBSTREAM) {
-        s->buffer = av_fast_realloc(s->buffer, &s->buffer_size, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+        s->buffer = av_fast_realloc(s->buffer, &s->buffer_size, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!s->buffer)
             return AVERROR(ENOMEM);
 
diff --git a/libavcodec/libfaac.c b/libavcodec/libfaac.c
index 3d8a354d90..98b3ba8183 100644
--- a/libavcodec/libfaac.c
+++ b/libavcodec/libfaac.c
@@ -138,7 +138,7 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
 
         if (!faacEncGetDecoderSpecificInfo(s->faac_handle, &buffer,
                                            &decoder_specific_info_size)) {
-            avctx->extradata = av_malloc(decoder_specific_info_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            avctx->extradata = av_malloc(decoder_specific_info_size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!avctx->extradata) {
                 ret = AVERROR(ENOMEM);
                 goto error;
diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c
index 9e844ff513..5df0c90947 100644
--- a/libavcodec/libfdk-aacenc.c
+++ b/libavcodec/libfdk-aacenc.c
@@ -292,7 +292,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         avctx->extradata_size = info.confSize;
         avctx->extradata      = av_mallocz(avctx->extradata_size +
-                                           FF_INPUT_BUFFER_PADDING_SIZE);
+                                           AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata) {
             ret = AVERROR(ENOMEM);
             goto error;
diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c
index 300e24540c..101dd53da3 100644
--- a/libavcodec/libopenh264enc.c
+++ b/libavcodec/libopenh264enc.c
@@ -143,7 +143,7 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
         (*s->encoder)->EncodeParameterSets(s->encoder, &fbi);
         for (i = 0; i < fbi.sLayerInfo[0].iNalCount; i++)
             size += fbi.sLayerInfo[0].pNalLengthInByte[i];
-        avctx->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
+        avctx->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata) {
             err = AVERROR(ENOMEM);
             goto fail;
diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
index 072779bb44..48dbebcfc4 100644
--- a/libavcodec/libopusenc.c
+++ b/libavcodec/libopusenc.c
@@ -269,7 +269,7 @@ static av_cold int libopus_encode_init(AVCodecContext *avctx)
     }
 
     header_size = 19 + (avctx->channels > 2 ? 2 + avctx->channels : 0);
-    avctx->extradata = av_malloc(header_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_malloc(header_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata) {
         av_log(avctx, AV_LOG_ERROR, "Failed to allocate extradata.\n");
         ret = AVERROR(ENOMEM);
diff --git a/libavcodec/libspeexenc.c b/libavcodec/libspeexenc.c
index 53d76c3385..fbc17388a1 100644
--- a/libavcodec/libspeexenc.c
+++ b/libavcodec/libspeexenc.c
@@ -245,7 +245,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     header_data = speex_header_to_packet(&s->header, &header_size);
 
     /* allocate extradata */
-    avctx->extradata = av_malloc(header_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_malloc(header_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata) {
         speex_header_free(header_data);
         speex_encoder_destroy(s->enc_state);
diff --git a/libavcodec/libstagefright.cpp b/libavcodec/libstagefright.cpp
index 9ea96f3862..f4b38e6070 100644
--- a/libavcodec/libstagefright.cpp
+++ b/libavcodec/libstagefright.cpp
@@ -272,7 +272,7 @@ static av_cold int Stagefright_init(AVCodecContext *avctx)
 
     s->orig_extradata_size = avctx->extradata_size;
     s->orig_extradata = (uint8_t*) av_mallocz(avctx->extradata_size +
-                                              FF_INPUT_BUFFER_PADDING_SIZE);
+                                              AV_INPUT_BUFFER_PADDING_SIZE);
     if (!s->orig_extradata) {
         ret = AVERROR(ENOMEM);
         goto fail;
diff --git a/libavcodec/libvo-aacenc.c b/libavcodec/libvo-aacenc.c
index 7715d1ce83..7f21ad2e0d 100644
--- a/libavcodec/libvo-aacenc.c
+++ b/libavcodec/libvo-aacenc.c
@@ -105,7 +105,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
         avctx->extradata_size = 2;
         avctx->extradata      = av_mallocz(avctx->extradata_size +
-                                           FF_INPUT_BUFFER_PADDING_SIZE);
+                                           AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata) {
             ret = AVERROR(ENOMEM);
             goto error;
diff --git a/libavcodec/libvorbisenc.c b/libavcodec/libvorbisenc.c
index 00a5131b51..3ca5b55e8e 100644
--- a/libavcodec/libvorbisenc.c
+++ b/libavcodec/libvorbisenc.c
@@ -231,7 +231,7 @@ static av_cold int libvorbis_encode_init(AVCodecContext *avctx)
                                 xiph_len(header_comm.bytes) +
                                 header_code.bytes;
     p = avctx->extradata = av_malloc(avctx->extradata_size +
-                                     FF_INPUT_BUFFER_PADDING_SIZE);
+                                     AV_INPUT_BUFFER_PADDING_SIZE);
     if (!p) {
         ret = AVERROR(ENOMEM);
         goto error;
diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index f4f0548c51..a15ef1a95c 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -225,7 +225,7 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
             return AVERROR_INVALIDDATA;
         }
 
-        avctx->extradata = av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata) {
             av_log(avctx, AV_LOG_ERROR,
                    "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);
diff --git a/libavcodec/libxavs.c b/libavcodec/libxavs.c
index 14a6adf5ba..a4d2c79c64 100644
--- a/libavcodec/libxavs.c
+++ b/libavcodec/libxavs.c
@@ -81,7 +81,7 @@ static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
 {
     XavsContext *x4 = ctx->priv_data;
     uint8_t *p;
-    int i, s, ret, size = x4->sei_size + FF_MIN_BUFFER_SIZE;
+    int i, s, ret, size = x4->sei_size + AV_INPUT_BUFFER_MIN_SIZE;
 
     if (!nnal)
         return 0;
diff --git a/libavcodec/libxvid.c b/libavcodec/libxvid.c
index e6f0dbdd2a..8cbeef2b39 100644
--- a/libavcodec/libxvid.c
+++ b/libavcodec/libxvid.c
@@ -716,7 +716,7 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     xvid_enc_frame_t xvid_enc_frame = { 0 };
     xvid_enc_stats_t xvid_enc_stats = { 0 };
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, mb_width*(int64_t)mb_height*MAX_MB_BYTES + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, mb_width*(int64_t)mb_height*MAX_MB_BYTES + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     /* Start setting up the frame */
diff --git a/libavcodec/ljpegenc.c b/libavcodec/ljpegenc.c
index 70574b6110..896814543f 100644
--- a/libavcodec/ljpegenc.c
+++ b/libavcodec/ljpegenc.c
@@ -217,7 +217,7 @@ static int ljpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     const int height = avctx->height;
     const int mb_width  = (width  + s->hsample[0] - 1) / s->hsample[0];
     const int mb_height = (height + s->vsample[0] - 1) / s->vsample[0];
-    int max_pkt_size = FF_MIN_BUFFER_SIZE;
+    int max_pkt_size = AV_INPUT_BUFFER_MIN_SIZE;
     int ret, header_bits;
 
     if(    avctx->pix_fmt == AV_PIX_FMT_BGR0
diff --git a/libavcodec/mjpega_dump_header_bsf.c b/libavcodec/mjpega_dump_header_bsf.c
index 87829fae8f..d6d41e6bbb 100644
--- a/libavcodec/mjpega_dump_header_bsf.c
+++ b/libavcodec/mjpega_dump_header_bsf.c
@@ -44,7 +44,7 @@ static int mjpega_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *av
     }
 
     *poutbuf_size = 0;
-    *poutbuf = av_malloc(buf_size + 44 + FF_INPUT_BUFFER_PADDING_SIZE);
+    *poutbuf = av_malloc(buf_size + 44 + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!*poutbuf)
         return AVERROR(ENOMEM);
     poutbufp = *poutbuf;
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 7a0f02cc91..ad618e25c9 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -1905,7 +1905,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
         *unescaped_buf_ptr  = s->buffer;
         *unescaped_buf_size = dst - s->buffer;
         memset(s->buffer + *unescaped_buf_size, 0,
-               FF_INPUT_BUFFER_PADDING_SIZE);
+               AV_INPUT_BUFFER_PADDING_SIZE);
 
         av_log(s->avctx, AV_LOG_DEBUG, "escaping removed %"PTRDIFF_SPECIFIER" bytes\n",
                (buf_end - *buf_ptr) - (dst - s->buffer));
@@ -1950,7 +1950,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
         *unescaped_buf_ptr  = dst;
         *unescaped_buf_size = (bit_count + 7) >> 3;
         memset(s->buffer + *unescaped_buf_size, 0,
-               FF_INPUT_BUFFER_PADDING_SIZE);
+               AV_INPUT_BUFFER_PADDING_SIZE);
     } else {
         *unescaped_buf_ptr  = *buf_ptr;
         *unescaped_buf_size = buf_end - *buf_ptr;
diff --git a/libavcodec/movsub_bsf.c b/libavcodec/movsub_bsf.c
index 4820b26388..8ee7a3a42d 100644
--- a/libavcodec/movsub_bsf.c
+++ b/libavcodec/movsub_bsf.c
@@ -28,7 +28,7 @@ static int text2movsub(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, co
                      const uint8_t *buf, int buf_size, int keyframe){
     if (buf_size > 0xffff) return 0;
     *poutbuf_size = buf_size + 2;
-    *poutbuf = av_malloc(*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    *poutbuf = av_malloc(*poutbuf_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!*poutbuf)
         return AVERROR(ENOMEM);
     AV_WB16(*poutbuf, buf_size);
@@ -46,7 +46,7 @@ static int mov2textsub(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, co
                      const uint8_t *buf, int buf_size, int keyframe){
     if (buf_size < 2) return 0;
     *poutbuf_size = FFMIN(buf_size - 2, AV_RB16(buf));
-    *poutbuf = av_malloc(*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    *poutbuf = av_malloc(*poutbuf_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!*poutbuf)
         return AVERROR(ENOMEM);
     memcpy(*poutbuf, buf + 2, *poutbuf_size);
diff --git a/libavcodec/movtextenc.c b/libavcodec/movtextenc.c
index 3219858894..6d42d5f351 100644
--- a/libavcodec/movtextenc.c
+++ b/libavcodec/movtextenc.c
@@ -189,7 +189,7 @@ static av_cold int mov_text_encode_init(AVCodecContext *avctx)
     MovTextContext *s = avctx->priv_data;
 
     avctx->extradata_size = sizeof text_sample_entry;
-    avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/mp3_header_decompress_bsf.c b/libavcodec/mp3_header_decompress_bsf.c
index df455322df..95c0b5b769 100644
--- a/libavcodec/mp3_header_decompress_bsf.c
+++ b/libavcodec/mp3_header_decompress_bsf.c
@@ -71,8 +71,8 @@ static int mp3_header_decompress(AVBitStreamFilterContext *bsfc, AVCodecContext
     header |= (frame_size == buf_size + 4)<<16; //FIXME actually set a correct crc instead of 0
 
     *poutbuf_size= frame_size;
-    *poutbuf= av_malloc(frame_size + FF_INPUT_BUFFER_PADDING_SIZE);
-    memcpy(*poutbuf + frame_size - buf_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    *poutbuf= av_malloc(frame_size + AV_INPUT_BUFFER_PADDING_SIZE);
+    memcpy(*poutbuf + frame_size - buf_size, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
 
     if(avctx->channels==2){
         uint8_t *p= *poutbuf + frame_size - buf_size;
diff --git a/libavcodec/mpeg4_unpack_bframes_bsf.c b/libavcodec/mpeg4_unpack_bframes_bsf.c
index e85ea08b08..df49d3f407 100644
--- a/libavcodec/mpeg4_unpack_bframes_bsf.c
+++ b/libavcodec/mpeg4_unpack_bframes_bsf.c
@@ -73,11 +73,11 @@ static void scan_buffer(const uint8_t *buf, int buf_size,
 
 /* allocate new buffer and copy size bytes from src */
 static uint8_t *create_new_buffer(const uint8_t *src, int size) {
-    uint8_t *dst = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+    uint8_t *dst = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (dst) {
         memcpy(dst, src, size);
-        memset(dst + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(dst + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     }
 
     return dst;
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 1271275f34..991c0fd36c 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -573,7 +573,7 @@ do {\
 
     if (s1->bitstream_buffer) {
         if (s1->bitstream_buffer_size +
-            FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) {
+            AV_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) {
             av_fast_malloc(&s->bitstream_buffer,
                            &s->allocated_bitstream_buffer_size,
                            s1->allocated_bitstream_buffer_size);
@@ -586,7 +586,7 @@ do {\
         memcpy(s->bitstream_buffer, s1->bitstream_buffer,
                s1->bitstream_buffer_size);
         memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
-               FF_INPUT_BUFFER_PADDING_SIZE);
+               AV_INPUT_BUFFER_PADDING_SIZE);
     }
 
     // linesize dependend scratch buffer allocation
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index eb1daf21a2..002843a60e 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1740,7 +1740,7 @@ int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
     /* output? */
     if (s->new_picture.f->data[0]) {
         int growing_buffer = context_count == 1 && !pkt->data && !s->data_partitioning;
-        int pkt_size = growing_buffer ? FFMAX(s->mb_width*s->mb_height*64+10000, avctx->internal->byte_buffer_size) - FF_INPUT_BUFFER_PADDING_SIZE
+        int pkt_size = growing_buffer ? FFMAX(s->mb_width*s->mb_height*64+10000, avctx->internal->byte_buffer_size) - AV_INPUT_BUFFER_PADDING_SIZE
                                               :
                                               s->mb_width*s->mb_height*(MAX_MB_BYTES+100)+10000;
         if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size, 0)) < 0)
diff --git a/libavcodec/mss2.c b/libavcodec/mss2.c
index e4ff818300..74e52af6cd 100644
--- a/libavcodec/mss2.c
+++ b/libavcodec/mss2.c
@@ -477,7 +477,7 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     Rectangle wmv9rects[MAX_WMV9_RECTANGLES], *r;
     int used_rects = 0, i, implicit_rect = 0, av_uninit(wmv9_mask);
 
-    av_assert0(FF_INPUT_BUFFER_PADDING_SIZE >=
+    av_assert0(AV_INPUT_BUFFER_PADDING_SIZE >=
                ARITH2_PADDING + (MIN_CACHE_BITS + 7) / 8);
 
     if ((ret = init_get_bits8(&gb, buf, buf_size)) < 0)
diff --git a/libavcodec/msvideo1enc.c b/libavcodec/msvideo1enc.c
index ac32cae1bc..b6ae92b2ac 100644
--- a/libavcodec/msvideo1enc.c
+++ b/libavcodec/msvideo1enc.c
@@ -76,7 +76,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int skips = 0;
     int quality = 24;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
     dst= buf= pkt->data;
 
diff --git a/libavcodec/noise_bsf.c b/libavcodec/noise_bsf.c
index 4f609de7bf..556ad5c549 100644
--- a/libavcodec/noise_bsf.c
+++ b/libavcodec/noise_bsf.c
@@ -35,11 +35,11 @@ static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const ch
     if(amount <= 0)
         return AVERROR(EINVAL);
 
-    *poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    *poutbuf= av_malloc(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!*poutbuf)
         return AVERROR(ENOMEM);
 
-    memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    memcpy(*poutbuf, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
     for(i=0; i<buf_size; i++){
         (*state) += (*poutbuf)[i] + 1;
         if(*state % amount == 0)
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index 6757b4d6be..f3270cb19d 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -124,7 +124,7 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height,
     if (width != c->width || height != c->height) {
         // also reserve space for a possible additional header
         int buf_size = height * width * 3 / 2
-                     + FFMAX(AV_LZO_OUTPUT_PADDING, FF_INPUT_BUFFER_PADDING_SIZE)
+                     + FFMAX(AV_LZO_OUTPUT_PADDING, AV_INPUT_BUFFER_PADDING_SIZE)
                      + RTJPEG_HEADER_SIZE;
         if (buf_size > INT_MAX/8)
             return -1;
@@ -208,15 +208,15 @@ retry:
     buf       = &buf[12];
     buf_size -= 12;
     if (comptype == NUV_RTJPEG_IN_LZO || comptype == NUV_LZO) {
-        int outlen = c->decomp_size - FFMAX(FF_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING);
+        int outlen = c->decomp_size - FFMAX(AV_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING);
         int inlen  = buf_size;
         if (av_lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen)) {
             av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
             return AVERROR_INVALIDDATA;
         }
         buf      = c->decomp_buf;
-        buf_size = c->decomp_size - FFMAX(FF_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING) - outlen;
-        memset(c->decomp_buf + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        buf_size = c->decomp_size - FFMAX(AV_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING) - outlen;
+        memset(c->decomp_buf + buf_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     }
     if (c->codec_frameheader) {
         int w, h, q;
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 6bd6b892bb..93fa9c689c 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -1014,7 +1014,7 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
         }
 
         avctx->extradata_size = outSize;
-        avctx->extradata = av_mallocz(outSize + FF_INPUT_BUFFER_PADDING_SIZE);
+        avctx->extradata = av_mallocz(outSize + AV_INPUT_BUFFER_PADDING_SIZE);
 
         if (!avctx->extradata) {
             res = AVERROR(ENOMEM);
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 63a03ace4a..37f379245d 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -232,7 +232,7 @@ int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
             memset(((uint8_t *) dest->obj) + size, 0, pad); \
     }
     alloc_and_copy_or_fail(extradata,    src->extradata_size,
-                           FF_INPUT_BUFFER_PADDING_SIZE);
+                           AV_INPUT_BUFFER_PADDING_SIZE);
     dest->extradata_size  = src->extradata_size;
     alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);
     alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index c16546b1c9..f5bfa249d9 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -134,7 +134,7 @@ int av_parser_parse2(AVCodecParserContext *s, AVCodecContext *avctx,
                      int64_t pts, int64_t dts, int64_t pos)
 {
     int index, i;
-    uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t dummy_buf[AV_INPUT_BUFFER_PADDING_SIZE];
 
     if (!(s->flags & PARSER_FLAG_FETCHED_OFFSET)) {
         s->next_frame_offset =
@@ -204,13 +204,13 @@ int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx,
             int size = buf_size + avctx->extradata_size;
 
             *poutbuf_size = size;
-            *poutbuf      = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+            *poutbuf      = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!*poutbuf)
                 return AVERROR(ENOMEM);
 
             memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
             memcpy(*poutbuf + avctx->extradata_size, buf,
-                   buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                   buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
             return 1;
         }
     }
@@ -252,10 +252,10 @@ int ff_combine_frame(ParseContext *pc, int next,
     if (next == END_NOT_FOUND) {
         void *new_buffer = av_fast_realloc(pc->buffer, &pc->buffer_size,
                                            *buf_size + pc->index +
-                                           FF_INPUT_BUFFER_PADDING_SIZE);
+                                           AV_INPUT_BUFFER_PADDING_SIZE);
 
         if (!new_buffer) {
-            av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", *buf_size + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
+            av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", *buf_size + pc->index + AV_INPUT_BUFFER_PADDING_SIZE);
             pc->index = 0;
             return AVERROR(ENOMEM);
         }
@@ -272,17 +272,17 @@ int ff_combine_frame(ParseContext *pc, int next,
     if (pc->index) {
         void *new_buffer = av_fast_realloc(pc->buffer, &pc->buffer_size,
                                            next + pc->index +
-                                           FF_INPUT_BUFFER_PADDING_SIZE);
+                                           AV_INPUT_BUFFER_PADDING_SIZE);
         if (!new_buffer) {
-            av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
+            av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", next + pc->index + AV_INPUT_BUFFER_PADDING_SIZE);
             pc->overread_index =
             pc->index = 0;
             return AVERROR(ENOMEM);
         }
         pc->buffer = new_buffer;
-        if (next > -FF_INPUT_BUFFER_PADDING_SIZE)
+        if (next > -AV_INPUT_BUFFER_PADDING_SIZE)
             memcpy(&pc->buffer[pc->index], *buf,
-                   next + FF_INPUT_BUFFER_PADDING_SIZE);
+                   next + AV_INPUT_BUFFER_PADDING_SIZE);
         pc->index = 0;
         *buf      = pc->buffer;
     }
diff --git a/libavcodec/pcx.c b/libavcodec/pcx.c
index 0e89388f00..1d3ee8d96a 100644
--- a/libavcodec/pcx.c
+++ b/libavcodec/pcx.c
@@ -143,7 +143,7 @@ static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     ptr    = p->data[0];
     stride = p->linesize[0];
 
-    scanline = av_malloc(bytes_per_scanline + FF_INPUT_BUFFER_PADDING_SIZE);
+    scanline = av_malloc(bytes_per_scanline + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!scanline)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index 6bd996d7c5..af8ca4e7a3 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -495,7 +495,7 @@ static int encode_png(AVCodecContext *avctx, AVPacket *pkt,
 
     enc_row_size    = deflateBound(&s->zstream, (avctx->width * s->bits_per_pixel + 7) >> 3);
     max_packet_size =
-        FF_MIN_BUFFER_SIZE + // headers
+        AV_INPUT_BUFFER_MIN_SIZE + // headers
         avctx->height * (
             enc_row_size +
             12 * (((int64_t)enc_row_size + IOBUF_SIZE - 1) / IOBUF_SIZE) // IDAT * ceil(enc_row_size / IOBUF_SIZE)
@@ -553,7 +553,7 @@ static int encode_apng(AVCodecContext *avctx, AVPacket *pkt,
 
     enc_row_size    = deflateBound(&s->zstream, (avctx->width * s->bits_per_pixel + 7) >> 3);
     max_packet_size =
-        FF_MIN_BUFFER_SIZE + // headers
+        AV_INPUT_BUFFER_MIN_SIZE + // headers
         avctx->height * (
             enc_row_size +
             (4 + 12) * (((int64_t)enc_row_size + IOBUF_SIZE - 1) / IOBUF_SIZE) // fdAT * ceil(enc_row_size / IOBUF_SIZE)
diff --git a/libavcodec/pnm_parser.c b/libavcodec/pnm_parser.c
index 2a9e3e1cba..a5eb81f5f6 100644
--- a/libavcodec/pnm_parser.c
+++ b/libavcodec/pnm_parser.c
@@ -55,7 +55,7 @@ retry:
             goto retry;
         }
 #if 0
-        if (pc->index && pc->index * 2 + FF_INPUT_BUFFER_PADDING_SIZE < pc->buffer_size && buf_size > pc->index) {
+        if (pc->index && pc->index * 2 + AV_INPUT_BUFFER_PADDING_SIZE < pc->buffer_size && buf_size > pc->index) {
             memcpy(pc->buffer + pc->index, buf, pc->index);
             pc->index += pc->index;
             buf       += pc->index;
diff --git a/libavcodec/proresenc_anatoliy.c b/libavcodec/proresenc_anatoliy.c
index 41d83ca50a..138223ecf2 100644
--- a/libavcodec/proresenc_anatoliy.c
+++ b/libavcodec/proresenc_anatoliy.c
@@ -491,10 +491,10 @@ static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int header_size = 148;
     uint8_t *buf;
     int pic_size, ret;
-    int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + FF_MIN_BUFFER_SIZE; //FIXME choose tighter limit
+    int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + AV_INPUT_BUFFER_MIN_SIZE; //FIXME choose tighter limit
 
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     buf = pkt->data;
diff --git a/libavcodec/proresenc_kostya.c b/libavcodec/proresenc_kostya.c
index 06314432f5..3bc1d5d772 100644
--- a/libavcodec/proresenc_kostya.c
+++ b/libavcodec/proresenc_kostya.c
@@ -944,7 +944,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     ctx->pic = pic;
     pkt_size = ctx->frame_size_upper_bound;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     orig_buf = pkt->data;
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index f2194887ad..c9dbe7ddb5 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -189,7 +189,7 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
     }
 
     avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
-                                 FF_INPUT_BUFFER_PADDING_SIZE);
+                                 AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata)
         return AVERROR(ENOMEM);
 
@@ -197,7 +197,7 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
     if (need_pps)
         memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
     avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
-    memset(avctx->extradata + avctx->extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     return 0;
 }
diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
index c7431e6b2c..d1f1b172c3 100644
--- a/libavcodec/qsvenc_hevc.c
+++ b/libavcodec/qsvenc_hevc.c
@@ -140,7 +140,7 @@ static int generate_fake_vps(QSVEncContext *q, AVCodecContext *avctx)
     }
 
     vps_size = bytestream2_tell_p(&pbc);
-    new_extradata = av_mallocz(vps_size + avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    new_extradata = av_mallocz(vps_size + avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!new_extradata)
         return AVERROR(ENOMEM);
     memcpy(new_extradata, vps_buf, vps_size);
diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c
index 65a6676469..0f5be96eb7 100644
--- a/libavcodec/shorten.c
+++ b/libavcodec/shorten.c
@@ -431,7 +431,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
         void *tmp_ptr;
         s->max_framesize = 8192; // should hopefully be enough for the first header
         tmp_ptr = av_fast_realloc(s->bitstream, &s->allocated_bitstream_size,
-                                  s->max_framesize + FF_INPUT_BUFFER_PADDING_SIZE);
+                                  s->max_framesize + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!tmp_ptr) {
             av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n");
             return AVERROR(ENOMEM);
@@ -445,7 +445,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
         buf_size       = FFMIN(buf_size, s->max_framesize - s->bitstream_size);
         input_buf_size = buf_size;
 
-        if (s->bitstream_index + s->bitstream_size + buf_size + FF_INPUT_BUFFER_PADDING_SIZE >
+        if (s->bitstream_index + s->bitstream_size + buf_size + AV_INPUT_BUFFER_PADDING_SIZE >
             s->allocated_bitstream_size) {
             memmove(s->bitstream, &s->bitstream[s->bitstream_index],
                     s->bitstream_size);
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index 8ecbb4651e..134c8c12d3 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -1555,7 +1555,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     uint8_t rc_header_bak[sizeof(s->header_state)];
     uint8_t rc_block_bak[sizeof(s->block_state)];
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, s->b_width*s->b_height*MB_SIZE*MB_SIZE*3 + FF_MIN_BUFFER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, s->b_width*s->b_height*MB_SIZE*MB_SIZE*3 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     ff_init_range_encoder(c, pkt->data, pkt->size);
diff --git a/libavcodec/startcode.c b/libavcodec/startcode.c
index 940bbb7107..9efdffe8c6 100644
--- a/libavcodec/startcode.c
+++ b/libavcodec/startcode.c
@@ -33,7 +33,7 @@ int ff_startcode_find_candidate_c(const uint8_t *buf, int size)
     int i = 0;
 #if HAVE_FAST_UNALIGNED
     /* we check i < size instead of i + 3 / 7 because it is
-     * simpler and there must be FF_INPUT_BUFFER_PADDING_SIZE
+     * simpler and there must be AV_INPUT_BUFFER_PADDING_SIZE
      * bytes at the end.
      */
 #if HAVE_FAST_64BIT
diff --git a/libavcodec/svq1enc.c b/libavcodec/svq1enc.c
index 5221651b77..ab9c221161 100644
--- a/libavcodec/svq1enc.c
+++ b/libavcodec/svq1enc.c
@@ -589,7 +589,7 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int i, ret;
 
     if ((ret = ff_alloc_packet2(avctx, pkt, s->y_block_width * s->y_block_height *
-                             MAX_MB_BYTES*3 + FF_MIN_BUFFER_SIZE, 0)) < 0)
+                             MAX_MB_BYTES*3 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     if (avctx->pix_fmt != AV_PIX_FMT_YUV410P) {
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 8dd31ebc7e..d5584a5636 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -453,7 +453,7 @@ static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride,
     int i, ret = 0;
     int line;
     uint8_t *src2 = av_malloc((unsigned)size +
-                              FF_INPUT_BUFFER_PADDING_SIZE);
+                              AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (!src2) {
         av_log(s->avctx, AV_LOG_ERROR,
@@ -471,7 +471,7 @@ static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride,
         for (i = 0; i < size; i++)
             src2[i] = ff_reverse[src[i]];
     }
-    memset(src2 + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(src2 + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride,
                           s->compr, s->fax_opts);
     if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8)
diff --git a/libavcodec/tiffenc.c b/libavcodec/tiffenc.c
index 7056cdc820..fbbea1a7e1 100644
--- a/libavcodec/tiffenc.c
+++ b/libavcodec/tiffenc.c
@@ -329,7 +329,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     bytes_per_row = (((s->width - 1) / s->subsampling[0] + 1) * s->bpp *
                      s->subsampling[0] * s->subsampling[1] + 7) >> 3;
     packet_size = avctx->height * bytes_per_row * 2 +
-                  avctx->height * 4 + FF_MIN_BUFFER_SIZE;
+                  avctx->height * 4 + AV_INPUT_BUFFER_MIN_SIZE;
 
     if ((ret = ff_alloc_packet2(avctx, pkt, packet_size, 0)) < 0)
         return ret;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index d6de975f59..0b2e5f1da8 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -126,25 +126,25 @@ static void *avformat_mutex;
 void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
 {
     uint8_t **p = ptr;
-    if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+    if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
         av_freep(p);
         *size = 0;
         return;
     }
-    if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
-        memset(*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
+        memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 }
 
 void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
 {
     uint8_t **p = ptr;
-    if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+    if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
         av_freep(p);
         *size = 0;
         return;
     }
-    if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
-        memset(*p, 0, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
+        memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
 }
 
 /* encoder management */
@@ -1783,9 +1783,9 @@ int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64
         av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
         return AVERROR(EINVAL);
     }
-    if (size < 0 || size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+    if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
         av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
-               size, INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE);
+               size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
         return AVERROR(EINVAL);
     }
 
@@ -1992,7 +1992,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     if (!ret) {
         if (needs_realloc && avpkt->data) {
-            ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+            ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (ret >= 0)
                 avpkt->data = avpkt->buf->data;
         }
@@ -2118,7 +2118,7 @@ int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf
     AVPacket pkt;
     int ret, got_packet = 0;
 
-    if (buf_size < FF_MIN_BUFFER_SIZE) {
+    if (buf_size < AV_INPUT_BUFFER_MIN_SIZE) {
         av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
         return -1;
     }
@@ -2220,7 +2220,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
             avpkt->pts = avpkt->dts = frame->pts;
 
         if (needs_realloc && avpkt->data) {
-            ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+            ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (ret >= 0)
                 avpkt->data = avpkt->buf->data;
         }
@@ -2724,7 +2724,7 @@ static int recode_subtitle(AVCodecContext *avctx,
     inb = inpkt->data;
     inl = inpkt->size;
 
-    if (inl >= INT_MAX / UTF8_MAX_BYTES - FF_INPUT_BUFFER_PADDING_SIZE) {
+    if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
         av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
         ret = AVERROR(ENOMEM);
         goto end;
@@ -2813,7 +2813,7 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
              * remaining bytes should have already been filled with zeros by the
              * original packet allocation anyway. */
             memset(tmp.data + tmp.size, 0,
-                   FFMIN(avpkt->size - tmp.size, FF_INPUT_BUFFER_PADDING_SIZE));
+                   FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
         }
 
         pkt_recoded = tmp;
@@ -3869,7 +3869,7 @@ int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
     /* Note: the string is NUL terminated (so extradata can be read as a
      * string), but the ending character is not accounted in the size (in
      * binary formats you are likely not supposed to mux that character). When
-     * extradata is copied, it is also padded with FF_INPUT_BUFFER_PADDING_SIZE
+     * extradata is copied, it is also padded with AV_INPUT_BUFFER_PADDING_SIZE
      * zeros. */
     avctx->extradata_size = buf->len;
     return 0;
diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index ebce593041..760d9e5a7f 100644
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -143,7 +143,7 @@ static int decode_plane(UtvideoContext *c, int plane_no,
 
         memcpy(c->slice_bits, src + slice_data_start + c->slices * 4,
                slice_size);
-        memset(c->slice_bits + slice_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         c->bdsp.bswap_buf((uint32_t *) c->slice_bits,
                           (uint32_t *) c->slice_bits,
                           (slice_data_end - slice_data_start + 3) >> 2);
@@ -385,7 +385,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     }
 
     av_fast_malloc(&c->slice_bits, &c->slice_bits_size,
-                   max_slice_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                   max_slice_size + AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (!c->slice_bits) {
         av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");
diff --git a/libavcodec/utvideoenc.c b/libavcodec/utvideoenc.c
index efba5381e9..b8e1cc33e5 100644
--- a/libavcodec/utvideoenc.c
+++ b/libavcodec/utvideoenc.c
@@ -157,7 +157,7 @@ static av_cold int utvideo_encode_init(AVCodecContext *avctx)
     avctx->extradata_size = 16;
 
     avctx->extradata = av_mallocz(avctx->extradata_size +
-                                  FF_INPUT_BUFFER_PADDING_SIZE);
+                                  AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (!avctx->extradata) {
         av_log(avctx, AV_LOG_ERROR, "Could not allocate extradata.\n");
@@ -167,7 +167,7 @@ static av_cold int utvideo_encode_init(AVCodecContext *avctx)
 
     for (i = 0; i < c->planes; i++) {
         c->slice_buffer[i] = av_malloc(c->slice_stride * (avctx->height + 2) +
-                                       FF_INPUT_BUFFER_PADDING_SIZE);
+                                       AV_INPUT_BUFFER_PADDING_SIZE);
         if (!c->slice_buffer[i]) {
             av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer 1.\n");
             utvideo_encode_close(avctx);
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 6303fdfa3d..653ce9eb1b 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -486,7 +486,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
             return -1;
         }
 
-        buf2  = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        buf2  = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!buf2)
             return AVERROR(ENOMEM);
 
@@ -657,7 +657,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
     //for advanced profile we may need to parse and unescape data
     if (avctx->codec_id == AV_CODEC_ID_VC1 || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) {
         int buf_size2 = 0;
-        buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        buf2 = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!buf2)
             return AVERROR(ENOMEM);
 
@@ -686,7 +686,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                     if (!tmp)
                         goto err;
                     slices = tmp;
-                    slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                    slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
                     if (!slices[n_slices].buf)
                         goto err;
                     buf_size3 = vc1_unescape_buffer(start + 4, size,
@@ -711,7 +711,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                     if (!tmp)
                         goto err;
                     slices = tmp;
-                    slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                    slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
                     if (!slices[n_slices].buf)
                         goto err;
                     buf_size3 = vc1_unescape_buffer(start + 4, size,
@@ -740,7 +740,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                 if (!tmp)
                     goto err;
                 slices = tmp;
-                slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
                 if (!slices[n_slices].buf)
                     goto err;
                 buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf);
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index bd51dba5f1..9bafe65e0e 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -299,7 +299,7 @@ static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S)
         const int max_bits  = 1 + 23 + 8 + 1;
         const int left_bits = get_bits_left(&s->gb_extra_bits);
 
-        if (left_bits + 8 * FF_INPUT_BUFFER_PADDING_SIZE < max_bits)
+        if (left_bits + 8 * AV_INPUT_BUFFER_PADDING_SIZE < max_bits)
             return 0.0;
     }
 
diff --git a/libavcodec/wma.h b/libavcodec/wma.h
index cc9d6f9f8a..4aad713fa8 100644
--- a/libavcodec/wma.h
+++ b/libavcodec/wma.h
@@ -120,7 +120,7 @@ typedef struct WMACodecContext {
     /* output buffer for one frame and the last for IMDCT windowing */
     DECLARE_ALIGNED(32, float, frame_out)[MAX_CHANNELS][BLOCK_MAX_SIZE * 2];
     /* last frame info */
-    uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; /* padding added */
+    uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; /* padding added */
     int last_bitoffset;
     int last_superframe_len;
     float noise_table[NOISE_TAB_SIZE];
diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index 381ec45f39..e814007ead 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -854,7 +854,7 @@ static int wma_decode_superframe(AVCodecContext *avctx, void *data,
                 *q++ = get_bits (&s->gb, 8);
                 len --;
             }
-            memset(q, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+            memset(q, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
             s->last_superframe_len += 8*buf_size - 8;
 //             s->reset_block_lengths = 1; //XXX is this needed ?
@@ -893,7 +893,7 @@ static int wma_decode_superframe(AVCodecContext *avctx, void *data,
             }
             if (len > 0)
                 *q++ = (get_bits) (&s->gb, len) << (8 - len);
-            memset(q, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+            memset(q, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
             /* XXX: bit_offset bits into last frame */
             init_get_bits(&s->gb, s->last_superframe,
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index 0ac5163e6e..e87291a01c 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -72,7 +72,7 @@ typedef struct WmallDecodeCtx {
     AVCodecContext  *avctx;
     AVFrame         *frame;
     LLAudDSPContext dsp;                           ///< accelerated DSP functions
-    uint8_t         frame_data[MAX_FRAMESIZE + FF_INPUT_BUFFER_PADDING_SIZE];  ///< compressed frame data
+    uint8_t         frame_data[MAX_FRAMESIZE + AV_INPUT_BUFFER_PADDING_SIZE];  ///< compressed frame data
     PutBitContext   pb;                             ///< context for filling the frame_data buffer
 
     /* frame size dependent frame information (set during initialization) */
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index f864426c52..19dc335b32 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -173,7 +173,7 @@ typedef struct WMAProDecodeCtx {
     AVCodecContext*  avctx;                         ///< codec context for av_log
     AVFloatDSPContext *fdsp;
     uint8_t          frame_data[MAX_FRAMESIZE +
-                      FF_INPUT_BUFFER_PADDING_SIZE];///< compressed frame data
+                      AV_INPUT_BUFFER_PADDING_SIZE];///< compressed frame data
     PutBitContext    pb;                            ///< context for filling the frame_data buffer
     FFTContext       mdct_ctx[WMAPRO_BLOCK_SIZES];  ///< MDCT context per block size
     DECLARE_ALIGNED(32, float, tmp)[WMAPRO_BLOCK_MAX_SIZE]; ///< IMDCT output buffer
diff --git a/libavcodec/wmavoice.c b/libavcodec/wmavoice.c
index 3a509cb870..029dfdd8bf 100644
--- a/libavcodec/wmavoice.c
+++ b/libavcodec/wmavoice.c
@@ -203,7 +203,7 @@ typedef struct WMAVoiceContext {
                                   ///< to #wmavoice_decode_packet() (since
                                   ///< they're part of the previous superframe)
 
-    uint8_t sframe_cache[SFRAME_CACHE_MAXSIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t sframe_cache[SFRAME_CACHE_MAXSIZE + AV_INPUT_BUFFER_PADDING_SIZE];
                                   ///< cache for superframe data split over
                                   ///< multiple packets
     int sframe_cache_size;        ///< set to >0 if we have data from an
diff --git a/libavcodec/wmv2enc.c b/libavcodec/wmv2enc.c
index ee2e51c306..8672d2277d 100644
--- a/libavcodec/wmv2enc.c
+++ b/libavcodec/wmv2enc.c
@@ -62,7 +62,7 @@ static av_cold int wmv2_encode_init(AVCodecContext *avctx)
     ff_wmv2_common_init(w);
 
     avctx->extradata_size = 4;
-    avctx->extradata      = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata      = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata)
         return AVERROR(ENOMEM);
 
diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c
index d5781991f1..9ff99b2f98 100644
--- a/libavcodec/wnv1.c
+++ b/libavcodec/wnv1.c
@@ -73,12 +73,12 @@ static int decode_frame(AVCodecContext *avctx,
         return AVERROR_INVALIDDATA;
     }
 
-    rbuf = av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    rbuf = av_malloc(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!rbuf) {
         av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");
         return AVERROR(ENOMEM);
     }
-    memset(rbuf + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(rbuf + buf_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
         av_free(rbuf);
diff --git a/libavcodec/x86/hevc_sao.asm b/libavcodec/x86/hevc_sao.asm
index 2461740bf3..c13a9a9aee 100644
--- a/libavcodec/x86/hevc_sao.asm
+++ b/libavcodec/x86/hevc_sao.asm
@@ -39,7 +39,7 @@ cextern pb_2
 SECTION_TEXT
 
 %define MAX_PB_SIZE  64
-%define PADDING_SIZE 32 ; FF_INPUT_BUFFER_PADDING_SIZE
+%define PADDING_SIZE 32 ; AV_INPUT_BUFFER_PADDING_SIZE
 
 ;******************************************************************************
 ;SAO Band Filter
diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index 62249785cb..0c2eca02ee 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -975,7 +975,7 @@ dshow_add_device(AVFormatContext *avctx,
             codec->codec_id = AV_CODEC_ID_RAWVIDEO;
             if (bih->biCompression == BI_RGB || bih->biCompression == BI_BITFIELDS) {
                 codec->bits_per_coded_sample = bih->biBitCount;
-                codec->extradata = av_malloc(9 + FF_INPUT_BUFFER_PADDING_SIZE);
+                codec->extradata = av_malloc(9 + AV_INPUT_BUFFER_PADDING_SIZE);
                 if (codec->extradata) {
                     codec->extradata_size = 9;
                     memcpy(codec->extradata, "BottomUp", 9);
diff --git a/libavdevice/vfwcap.c b/libavdevice/vfwcap.c
index 10e6c69dcb..f536bc100f 100644
--- a/libavdevice/vfwcap.c
+++ b/libavdevice/vfwcap.c
@@ -396,7 +396,7 @@ static int vfw_read_header(AVFormatContext *s)
         codec->codec_id = AV_CODEC_ID_RAWVIDEO;
         if(biCompression == BI_RGB) {
             codec->bits_per_coded_sample = biBitCount;
-            codec->extradata = av_malloc(9 + FF_INPUT_BUFFER_PADDING_SIZE);
+            codec->extradata = av_malloc(9 + AV_INPUT_BUFFER_PADDING_SIZE);
             if (codec->extradata) {
                 codec->extradata_size = 9;
                 memcpy(codec->extradata, "BottomUp", 9);
diff --git a/libavdevice/xcbgrab.c b/libavdevice/xcbgrab.c
index 166575c9c2..f169f93665 100644
--- a/libavdevice/xcbgrab.c
+++ b/libavdevice/xcbgrab.c
@@ -231,7 +231,7 @@ static int xcbgrab_frame_shm(AVFormatContext *s, AVPacket *pkt)
     xcb_shm_get_image_reply_t *img;
     xcb_drawable_t drawable = c->screen->root;
     uint8_t *data;
-    int size = c->frame_size + FF_INPUT_BUFFER_PADDING_SIZE;
+    int size = c->frame_size + AV_INPUT_BUFFER_PADDING_SIZE;
     int id   = shmget(IPC_PRIVATE, size, IPC_CREAT | 0777);
     xcb_generic_error_t *e = NULL;
 
diff --git a/libavformat/4xm.c b/libavformat/4xm.c
index 8fdad185f4..260e080962 100644
--- a/libavformat/4xm.c
+++ b/libavformat/4xm.c
@@ -111,7 +111,7 @@ static int parse_vtrk(AVFormatContext *s,
     st->codec->codec_type     = AVMEDIA_TYPE_VIDEO;
     st->codec->codec_id       = AV_CODEC_ID_4XM;
 
-    st->codec->extradata      = av_mallocz(4 + FF_INPUT_BUFFER_PADDING_SIZE);
+    st->codec->extradata      = av_mallocz(4 + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!st->codec->extradata)
         return AVERROR(ENOMEM);
     st->codec->extradata_size = 4;
diff --git a/libavformat/anm.c b/libavformat/anm.c
index f718797310..23200474bd 100644
--- a/libavformat/anm.c
+++ b/libavformat/anm.c
@@ -133,7 +133,7 @@ static int read_header(AVFormatContext *s)
 
     /* color cycling and palette data */
     st->codec->extradata_size = 16*8 + 4*256;
-    st->codec->extradata      = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    st->codec->extradata      = av_mallocz(st->codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!st->codec->extradata) {
         return AVERROR(ENOMEM);
     }
diff --git a/libavformat/apetag.c b/libavformat/apetag.c
index 26359205f8..2ee277f864 100644
--- a/libavformat/apetag.c
+++ b/libavformat/apetag.c
@@ -55,7 +55,7 @@ static int ape_tag_read_field(AVFormatContext *s)
         av_log(s, AV_LOG_WARNING, "Invalid APE tag key '%s'.\n", key);
         return -1;
     }
-    if (size > INT32_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+    if (size > INT32_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
         av_log(s, AV_LOG_ERROR, "APE tag size too large.\n");
         return AVERROR_INVALIDDATA;
     }
diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index 6deff3b66b..84298aecfd 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -132,7 +132,7 @@ static int append_extradata(AVCodecContext *s, AVIOContext *pb, int len)
         return AVERROR_INVALIDDATA;
 
     new_size = previous_size + len;
-    new_extradata = av_realloc(s->extradata, new_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    new_extradata = av_realloc(s->extradata, new_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!new_extradata)
         return AVERROR(ENOMEM);
     s->extradata = new_extradata;
@@ -178,7 +178,7 @@ static int apng_read_header(AVFormatContext *s)
         return ret;
 
     /* extradata will contain every chunk up to the first fcTL (excluded) */
-    st->codec->extradata = av_malloc(len + 12 + FF_INPUT_BUFFER_PADDING_SIZE);
+    st->codec->extradata = av_malloc(len + 12 + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!st->codec->extradata)
         return AVERROR(ENOMEM);
     st->codec->extradata_size = len + 12;
diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index 9c791649c8..a30b7d7212 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -517,7 +517,7 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
         if (sizeX > 40) {
             st->codec->extradata_size = ffio_limit(pb, sizeX - 40);
             st->codec->extradata      = av_mallocz(st->codec->extradata_size +
-                                                   FF_INPUT_BUFFER_PADDING_SIZE);
+                                                   AV_INPUT_BUFFER_PADDING_SIZE);
             if (!st->codec->extradata)
                 return AVERROR(ENOMEM);
             avio_read(pb, st->codec->extradata, st->codec->extradata_size);
@@ -1394,12 +1394,12 @@ static int asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
                 } else {
                     /* packet descrambling */
                     AVBufferRef *buf = av_buffer_alloc(asf_st->pkt.size +
-                                                       FF_INPUT_BUFFER_PADDING_SIZE);
+                                                       AV_INPUT_BUFFER_PADDING_SIZE);
                     if (buf) {
                         uint8_t *newdata = buf->data;
                         int offset = 0;
                         memset(newdata + asf_st->pkt.size, 0,
-                               FF_INPUT_BUFFER_PADDING_SIZE);
+                               AV_INPUT_BUFFER_PADDING_SIZE);
                         while (offset < asf_st->pkt.size) {
                             int off = offset / asf_st->ds_chunk_size;
                             int row = off / asf_st->ds_span;
diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c
index ad601c89be..91c6e8612f 100644
--- a/libavformat/asfdec_o.c
+++ b/libavformat/asfdec_o.c
@@ -674,12 +674,12 @@ static int parse_video_info(AVIOContext *pb, AVStream *st)
         int ret;
         st->codec->extradata_size  = size - BMP_HEADER_SIZE;
         if (!(st->codec->extradata = av_malloc(st->codec->extradata_size +
-                                               FF_INPUT_BUFFER_PADDING_SIZE))) {
+                                               AV_INPUT_BUFFER_PADDING_SIZE))) {
             st->codec->extradata_size = 0;
             return AVERROR(ENOMEM);
         }
         memset(st->codec->extradata + st->codec->extradata_size , 0,
-               FF_INPUT_BUFFER_PADDING_SIZE);
+               AV_INPUT_BUFFER_PADDING_SIZE);
         if ((ret = avio_read(pb, st->codec->extradata,
                              st->codec->extradata_size)) < 0)
             return ret;
diff --git a/libavformat/avc.c b/libavformat/avc.c
index 9d843e0ca4..f7b8f38a00 100644
--- a/libavformat/avc.c
+++ b/libavformat/avc.c
@@ -180,7 +180,7 @@ int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size)
     if (11 + sps_size + pps_size > *size)
         return AVERROR_INVALIDDATA;
     out_size = 8 + sps_size + pps_size;
-    out = av_mallocz(out_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    out = av_mallocz(out_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!out)
         return AVERROR(ENOMEM);
     AV_WB32(&out[0], 0x00000001);
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 2f637225e9..42b75c0aee 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -823,7 +823,7 @@ static int avi_read_header(AVFormatContext *s)
                         st->codec->extradata_size += 9;
                         if ((ret = av_reallocp(&st->codec->extradata,
                                                st->codec->extradata_size +
-                                               FF_INPUT_BUFFER_PADDING_SIZE)) < 0) {
+                                               AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
                             st->codec->extradata_size = 0;
                             return ret;
                         } else
diff --git a/libavformat/avio.h b/libavformat/avio.h
index d3d9bbd15e..9b8fcce3eb 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -585,7 +585,7 @@ int avio_open_dyn_buf(AVIOContext **s);
 /**
  * Return the written size and a pointer to the buffer. The buffer
  * must be freed with av_free().
- * Padding of FF_INPUT_BUFFER_PADDING_SIZE is added to the buffer.
+ * Padding of AV_INPUT_BUFFER_PADDING_SIZE is added to the buffer.
  *
  * @param s IO context
  * @param pbuffer pointer to a byte buffer
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index ff850813e6..aceb3bfcb7 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -1130,7 +1130,7 @@ int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
 {
     DynBuffer *d;
     int size;
-    static const char padbuf[FF_INPUT_BUFFER_PADDING_SIZE] = {0};
+    static const char padbuf[AV_INPUT_BUFFER_PADDING_SIZE] = {0};
     int padding = 0;
 
     if (!s) {
@@ -1141,7 +1141,7 @@ int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)
     /* don't attempt to pad fixed-size packet buffers */
     if (!s->max_packet_size) {
         avio_write(s, padbuf, sizeof(padbuf));
-        padding = FF_INPUT_BUFFER_PADDING_SIZE;
+        padding = AV_INPUT_BUFFER_PADDING_SIZE;
     }
 
     avio_flush(s);
diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c
index cc6ed0ce9f..bfbbb02627 100644
--- a/libavformat/cafdec.c
+++ b/libavformat/cafdec.c
@@ -101,7 +101,7 @@ static int read_kuki_chunk(AVFormatContext *s, int64_t size)
     AVIOContext *pb = s->pb;
     AVStream *st      = s->streams[0];
 
-    if (size < 0 || size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
+    if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
         return -1;
 
     if (st->codec->codec_id == AV_CODEC_ID_AAC) {
diff --git a/libavformat/dtsdec.c b/libavformat/dtsdec.c
index da0fb61a60..ef283916e7 100644
--- a/libavformat/dtsdec.c
+++ b/libavformat/dtsdec.c
@@ -34,7 +34,7 @@ static int dts_probe(AVProbeData *p)
     int markers[4*16] = {0};
     int sum, max, i;
     int64_t diff = 0;
-    uint8_t hdr[12 + FF_INPUT_BUFFER_PADDING_SIZE] = { 0 };
+    uint8_t hdr[12 + AV_INPUT_BUFFER_PADDING_SIZE] = { 0 };
 
     buf = p->buf + FFMIN(4096, p->buf_size);
 
diff --git a/libavformat/flac_picture.c b/libavformat/flac_picture.c
index 669fd2e782..7bd98258e4 100644
--- a/libavformat/flac_picture.c
+++ b/libavformat/flac_picture.c
@@ -108,10 +108,10 @@ int ff_flac_parse_picture(AVFormatContext *s, uint8_t *buf, int buf_size)
             ret = AVERROR_INVALIDDATA;
         goto fail;
     }
-    if (!(data = av_buffer_alloc(len + FF_INPUT_BUFFER_PADDING_SIZE))) {
+    if (!(data = av_buffer_alloc(len + AV_INPUT_BUFFER_PADDING_SIZE))) {
         RETURN_ERROR(AVERROR(ENOMEM));
     }
-    memset(data->data + len, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(data->data + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     if (avio_read(pb, data->data, len) != len) {
         av_log(s, AV_LOG_ERROR, "Error reading attached picture data.\n");
         if (s->error_recognition & AV_EF_EXPLODE)
diff --git a/libavformat/flacdec.c b/libavformat/flacdec.c
index 4207fd2bf6..4c1f943581 100644
--- a/libavformat/flacdec.c
+++ b/libavformat/flacdec.c
@@ -58,7 +58,7 @@ static int flac_read_header(AVFormatContext *s)
         case FLAC_METADATA_TYPE_CUESHEET:
         case FLAC_METADATA_TYPE_PICTURE:
         case FLAC_METADATA_TYPE_VORBIS_COMMENT:
-            buffer = av_mallocz(metadata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            buffer = av_mallocz(metadata_size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!buffer) {
                 return AVERROR(ENOMEM);
             }
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index 345be1ea7d..36a179722f 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -654,7 +654,7 @@ static int flv_queue_extradata(FLVContext *flv, AVIOContext *pb, int stream,
 {
     av_free(flv->new_extradata[stream]);
     flv->new_extradata[stream] = av_mallocz(size +
-                                            FF_INPUT_BUFFER_PADDING_SIZE);
+                                            AV_INPUT_BUFFER_PADDING_SIZE);
     if (!flv->new_extradata[stream])
         return AVERROR(ENOMEM);
     flv->new_extradata_size[stream] = size;
diff --git a/libavformat/hevc.c b/libavformat/hevc.c
index a9542ffd3d..47f18819a8 100644
--- a/libavformat/hevc.c
+++ b/libavformat/hevc.c
@@ -644,7 +644,7 @@ static uint8_t *nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len,
     uint8_t *dst;
     uint32_t i, len;
 
-    dst = av_malloc(src_len + FF_INPUT_BUFFER_PADDING_SIZE);
+    dst = av_malloc(src_len + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!dst)
         return NULL;
 
diff --git a/libavformat/hls.c b/libavformat/hls.c
index 6d14d6bf98..05e08a953d 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -752,7 +752,7 @@ static int id3_has_changed_values(struct playlist *pls, AVDictionary *metadata,
 
     if (apic) {
         int size = pls->ctx->streams[1]->attached_pic.size;
-        if (size != apic->buf->size - FF_INPUT_BUFFER_PADDING_SIZE)
+        if (size != apic->buf->size - AV_INPUT_BUFFER_PADDING_SIZE)
             return 1;
 
         if (memcmp(apic->buf->data, pls->ctx->streams[1]->attached_pic.data, size) != 0)
diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index 6eec60e896..addf937afd 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -605,10 +605,10 @@ static void read_apic(AVFormatContext *s, AVIOContext *pb, int taglen,
         goto fail;
     }
 
-    apic->buf = av_buffer_alloc(taglen + FF_INPUT_BUFFER_PADDING_SIZE);
+    apic->buf = av_buffer_alloc(taglen + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!apic->buf || !taglen || avio_read(pb, apic->buf->data, taglen) != taglen)
         goto fail;
-    memset(apic->buf->data + taglen, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(apic->buf->data + taglen, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     new_extra->tag  = "APIC";
     new_extra->data = apic;
@@ -1105,7 +1105,7 @@ int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
         av_init_packet(&st->attached_pic);
         st->attached_pic.buf          = apic->buf;
         st->attached_pic.data         = apic->buf->data;
-        st->attached_pic.size         = apic->buf->size - FF_INPUT_BUFFER_PADDING_SIZE;
+        st->attached_pic.size         = apic->buf->size - AV_INPUT_BUFFER_PADDING_SIZE;
         st->attached_pic.stream_index = st->index;
         st->attached_pic.flags       |= AV_PKT_FLAG_KEY;
 
diff --git a/libavformat/iff.c b/libavformat/iff.c
index 7235bc1c9c..8ea3b38ac6 100644
--- a/libavformat/iff.c
+++ b/libavformat/iff.c
@@ -455,7 +455,7 @@ static int iff_read_header(AVFormatContext *s)
                  return AVERROR_INVALIDDATA;
             }
             st->codec->extradata_size = data_size + IFF_EXTRA_VIDEO_SIZE;
-            st->codec->extradata      = av_malloc(data_size + IFF_EXTRA_VIDEO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+            st->codec->extradata      = av_malloc(data_size + IFF_EXTRA_VIDEO_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!st->codec->extradata)
                 return AVERROR(ENOMEM);
             if (avio_read(pb, st->codec->extradata + IFF_EXTRA_VIDEO_SIZE, data_size) < 0)
@@ -682,7 +682,7 @@ static int iff_read_header(AVFormatContext *s)
 
         if (!st->codec->extradata) {
             st->codec->extradata_size = IFF_EXTRA_VIDEO_SIZE;
-            st->codec->extradata      = av_malloc(IFF_EXTRA_VIDEO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+            st->codec->extradata      = av_malloc(IFF_EXTRA_VIDEO_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!st->codec->extradata)
                 return AVERROR(ENOMEM);
         }
diff --git a/libavformat/internal.h b/libavformat/internal.h
index 1190dbdf60..77914d802c 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -449,7 +449,7 @@ uint8_t *ff_stream_new_side_data(AVStream *st, enum AVPacketSideDataType type,
                                  int size);
 
 /**
- * Allocate extradata with additional FF_INPUT_BUFFER_PADDING_SIZE at end
+ * Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end
  * which is always set to 0.
  *
  * @param size size of extradata
@@ -458,7 +458,7 @@ uint8_t *ff_stream_new_side_data(AVStream *st, enum AVPacketSideDataType type,
 int ff_alloc_extradata(AVCodecContext *avctx, int size);
 
 /**
- * Allocate extradata with additional FF_INPUT_BUFFER_PADDING_SIZE at end
+ * Allocate extradata with additional AV_INPUT_BUFFER_PADDING_SIZE at end
  * which is always set to 0 and fill it from pb.
  *
  * @param size size of extradata
diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c
index 1ca0055877..63895d7efe 100644
--- a/libavformat/jacosubdec.c
+++ b/libavformat/jacosubdec.c
@@ -172,7 +172,7 @@ static int jacosub_read_header(AVFormatContext *s)
 
     jacosub->timeres = 30;
 
-    av_bprint_init(&header, 1024+FF_INPUT_BUFFER_PADDING_SIZE, 4096);
+    av_bprint_init(&header, 1024+AV_INPUT_BUFFER_PADDING_SIZE, 4096);
 
     while (!avio_feof(pb)) {
         int cmd_len;
diff --git a/libavformat/jvdec.c b/libavformat/jvdec.c
index 64d31e0ee6..4d4f0c78c5 100644
--- a/libavformat/jvdec.c
+++ b/libavformat/jvdec.c
@@ -196,7 +196,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
                     return ret;
                 if (ret < size) {
                     memset(pkt->data + JV_PREAMBLE_SIZE + ret, 0,
-                           FF_INPUT_BUFFER_PADDING_SIZE);
+                           AV_INPUT_BUFFER_PADDING_SIZE);
                     pkt->flags |= AV_PKT_FLAG_CORRUPT;
                 }
                 pkt->size         = ret + JV_PREAMBLE_SIZE;
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index b546798118..1807caef9c 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1853,7 +1853,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
         } else if (codec_id == AV_CODEC_ID_AAC && !track->codec_priv.size) {
             int profile = matroska_aac_profile(track->codec_id);
             int sri     = matroska_aac_sri(track->audio.samplerate);
-            extradata   = av_mallocz(5 + FF_INPUT_BUFFER_PADDING_SIZE);
+            extradata   = av_mallocz(5 + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!extradata)
                 return AVERROR(ENOMEM);
             extradata[0] = (profile << 3) | ((sri & 0x0E) >> 1);
@@ -1866,13 +1866,13 @@ static int matroska_parse_tracks(AVFormatContext *s)
                 extradata_size = 5;
             } else
                 extradata_size = 2;
-        } else if (codec_id == AV_CODEC_ID_ALAC && track->codec_priv.size && track->codec_priv.size < INT_MAX - 12 - FF_INPUT_BUFFER_PADDING_SIZE) {
+        } else if (codec_id == AV_CODEC_ID_ALAC && track->codec_priv.size && track->codec_priv.size < INT_MAX - 12 - AV_INPUT_BUFFER_PADDING_SIZE) {
             /* Only ALAC's magic cookie is stored in Matroska's track headers.
              * Create the "atom size", "tag", and "tag version" fields the
              * decoder expects manually. */
             extradata_size = 12 + track->codec_priv.size;
             extradata      = av_mallocz(extradata_size +
-                                        FF_INPUT_BUFFER_PADDING_SIZE);
+                                        AV_INPUT_BUFFER_PADDING_SIZE);
             if (!extradata)
                 return AVERROR(ENOMEM);
             AV_WB32(extradata, extradata_size);
@@ -1882,7 +1882,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
                    track->codec_priv.size);
         } else if (codec_id == AV_CODEC_ID_TTA) {
             extradata_size = 30;
-            extradata      = av_mallocz(extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            extradata      = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!extradata)
                 return AVERROR(ENOMEM);
             ffio_init_context(&b, extradata, extradata_size, 1,
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 1624d4e10c..fdba34cf4a 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1246,14 +1246,14 @@ static int mov_read_fiel(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 static int mov_realloc_extradata(AVCodecContext *codec, MOVAtom atom)
 {
     int err = 0;
-    uint64_t size = (uint64_t)codec->extradata_size + atom.size + 8 + FF_INPUT_BUFFER_PADDING_SIZE;
+    uint64_t size = (uint64_t)codec->extradata_size + atom.size + 8 + AV_INPUT_BUFFER_PADDING_SIZE;
     if (size > INT_MAX || (uint64_t)atom.size > INT_MAX)
         return AVERROR_INVALIDDATA;
     if ((err = av_reallocp(&codec->extradata, size)) < 0) {
         codec->extradata_size = 0;
         return err;
     }
-    codec->extradata_size = size - FF_INPUT_BUFFER_PADDING_SIZE;
+    codec->extradata_size = size - AV_INPUT_BUFFER_PADDING_SIZE;
     return 0;
 }
 
@@ -1275,7 +1275,7 @@ static int64_t mov_read_atom_into_extradata(MOVContext *c, AVIOContext *pb, MOVA
         codec->extradata_size -= atom.size - err;
         result = err;
     }
-    memset(buf + 8 + err, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(buf + 8 + err, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     return result;
 }
 
@@ -1899,7 +1899,7 @@ static int mov_rewrite_dvd_sub_extradata(AVStream *st)
 
     av_freep(&st->codec->extradata);
     st->codec->extradata_size = 0;
-    st->codec->extradata = av_mallocz(strlen(buf) + FF_INPUT_BUFFER_PADDING_SIZE);
+    st->codec->extradata = av_mallocz(strlen(buf) + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!st->codec->extradata)
         return AVERROR(ENOMEM);
     st->codec->extradata_size = strlen(buf);
@@ -2336,7 +2336,7 @@ static int mov_read_stsz(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
     num_bytes = (entries*field_size+4)>>3;
 
-    buf = av_malloc(num_bytes+FF_INPUT_BUFFER_PADDING_SIZE);
+    buf = av_malloc(num_bytes+AV_INPUT_BUFFER_PADDING_SIZE);
     if (!buf) {
         av_freep(&sc->sample_sizes);
         return AVERROR(ENOMEM);
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 8b7e582768..e03c4ec082 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -733,7 +733,7 @@ static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
                "dvc1 atom. Set the delay_moov flag to fix this.\n");
     }
 
-    unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
+    unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!unescaped)
         return AVERROR(ENOMEM);
     start = find_next_marker(track->vos_data, end);
diff --git a/libavformat/mpc8.c b/libavformat/mpc8.c
index 0cef65ff7d..bf597b88a5 100644
--- a/libavformat/mpc8.c
+++ b/libavformat/mpc8.c
@@ -154,7 +154,7 @@ static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
         av_log(s, AV_LOG_ERROR, "Bad seek table size\n");
         return;
     }
-    if(!(buf = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE)))
+    if(!(buf = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE)))
         return;
     ret = avio_read(s->pb, buf, size);
     if (ret != size) {
@@ -162,7 +162,7 @@ static void mpc8_parse_seektable(AVFormatContext *s, int64_t off)
         av_free(buf);
         return;
     }
-    memset(buf+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(buf+size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     init_get_bits(&gb, buf, size * 8);
     size = gb_get_v(&gb);
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 6f4a47d577..3c1fcdd6fb 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -871,7 +871,7 @@ static void new_pes_packet(PESContext *pes, AVPacket *pkt)
         av_log(pes->stream, AV_LOG_WARNING, "PES packet size mismatch\n");
         pes->flags |= AV_PKT_FLAG_CORRUPT;
     }
-    memset(pkt->data + pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     // Separate out the AC3 substream from an HDMV combined TrueHD/AC3 PID
     if (pes->sub_st && pes->stream_type == 0x83 && pes->extended_stream_id == 0x76)
@@ -903,8 +903,8 @@ static int read_sl_header(PESContext *pes, SLConfigDescr *sl,
     int padding_flag = 0, padding_bits = 0, inst_bitrate_flag = 0;
     int dts_flag = -1, cts_flag = -1;
     int64_t dts = AV_NOPTS_VALUE, cts = AV_NOPTS_VALUE;
-    uint8_t buf_padded[128 + FF_INPUT_BUFFER_PADDING_SIZE];
-    int buf_padded_size = FFMIN(buf_size, sizeof(buf_padded) - FF_INPUT_BUFFER_PADDING_SIZE);
+    uint8_t buf_padded[128 + AV_INPUT_BUFFER_PADDING_SIZE];
+    int buf_padded_size = FFMIN(buf_size, sizeof(buf_padded) - AV_INPUT_BUFFER_PADDING_SIZE);
 
     memcpy(buf_padded, buf, buf_padded_size);
 
@@ -1036,7 +1036,7 @@ static int mpegts_push_data(MpegTSFilter *filter,
 
                     /* allocate pes buffer */
                     pes->buffer = av_buffer_alloc(pes->total_size +
-                                                  FF_INPUT_BUFFER_PADDING_SIZE);
+                                                  AV_INPUT_BUFFER_PADDING_SIZE);
                     if (!pes->buffer)
                         return AVERROR(ENOMEM);
 
@@ -1194,7 +1194,7 @@ skip:
                     new_pes_packet(pes, ts->pkt);
                     pes->total_size = MAX_PES_PAYLOAD;
                     pes->buffer = av_buffer_alloc(pes->total_size +
-                                                  FF_INPUT_BUFFER_PADDING_SIZE);
+                                                  AV_INPUT_BUFFER_PADDING_SIZE);
                     if (!pes->buffer)
                         return AVERROR(ENOMEM);
                     ts->stop_parse = 1;
@@ -1793,7 +1793,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
             ext_desc_tag == 0x80) { /* User defined (provisional Opus) */
             if (!st->codec->extradata) {
                 st->codec->extradata = av_mallocz(sizeof(opus_default_extradata) +
-                                                  FF_INPUT_BUFFER_PADDING_SIZE);
+                                                  AV_INPUT_BUFFER_PADDING_SIZE);
                 if (!st->codec->extradata)
                     return AVERROR(ENOMEM);
 
@@ -2382,7 +2382,7 @@ static void finished_reading_packet(AVFormatContext *s, int raw_packet_size)
 static int handle_packets(MpegTSContext *ts, int64_t nb_packets)
 {
     AVFormatContext *s = ts->stream;
-    uint8_t packet[TS_PACKET_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t packet[TS_PACKET_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
     const uint8_t *data;
     int64_t packet_num;
     int ret = 0;
@@ -2409,7 +2409,7 @@ static int handle_packets(MpegTSContext *ts, int64_t nb_packets)
 
     ts->stop_parse = 0;
     packet_num = 0;
-    memset(packet + TS_PACKET_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(packet + TS_PACKET_SIZE, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     for (;;) {
         packet_num++;
         if (nb_packets != 0 && packet_num >= nb_packets ||
diff --git a/libavformat/mxg.c b/libavformat/mxg.c
index 34977b8197..3a34ebd5b5 100644
--- a/libavformat/mxg.c
+++ b/libavformat/mxg.c
@@ -111,7 +111,7 @@ static int mxg_update_cache(AVFormatContext *s, unsigned int cache_size)
     soi_pos = mxg->soi_ptr - mxg->buffer;
     buffer = av_fast_realloc(mxg->buffer, &mxg->buffer_size,
                              current_pos + cache_size +
-                             FF_INPUT_BUFFER_PADDING_SIZE);
+                             AV_INPUT_BUFFER_PADDING_SIZE);
     if (!buffer)
         return AVERROR(ENOMEM);
     mxg->buffer = buffer;
diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 0a9f33717b..6edef13ff7 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -82,7 +82,7 @@ static int ogg_save(AVFormatContext *s)
 
     for (i = 0; i < ogg->nstreams; i++) {
         struct ogg_stream *os = ogg->streams + i;
-        os->buf = av_mallocz(os->bufsize + FF_INPUT_BUFFER_PADDING_SIZE);
+        os->buf = av_mallocz(os->bufsize + AV_INPUT_BUFFER_PADDING_SIZE);
         if (os->buf)
             memcpy(os->buf, ost->streams[i].buf, os->bufpos);
         else
@@ -263,7 +263,7 @@ static int ogg_new_stream(AVFormatContext *s, uint32_t serial)
     memset(os, 0, sizeof(*os));
     os->serial        = serial;
     os->bufsize       = DECODER_BUFFER_SIZE;
-    os->buf           = av_malloc(os->bufsize + FF_INPUT_BUFFER_PADDING_SIZE);
+    os->buf           = av_malloc(os->bufsize + AV_INPUT_BUFFER_PADDING_SIZE);
     os->header        = -1;
     os->start_granule = OGG_NOGRANULE_VALUE;
     if (!os->buf)
@@ -285,7 +285,7 @@ static int ogg_new_stream(AVFormatContext *s, uint32_t serial)
 static int ogg_new_buf(struct ogg *ogg, int idx)
 {
     struct ogg_stream *os = ogg->streams + idx;
-    uint8_t *nb = av_malloc(os->bufsize + FF_INPUT_BUFFER_PADDING_SIZE);
+    uint8_t *nb = av_malloc(os->bufsize + AV_INPUT_BUFFER_PADDING_SIZE);
     int size = os->bufpos - os->pstart;
 
     if (!nb)
@@ -424,7 +424,7 @@ static int ogg_read_page(AVFormatContext *s, int *sid)
     }
 
     if (os->bufsize - os->bufpos < size) {
-        uint8_t *nb = av_malloc((os->bufsize *= 2) + FF_INPUT_BUFFER_PADDING_SIZE);
+        uint8_t *nb = av_malloc((os->bufsize *= 2) + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!nb)
             return AVERROR(ENOMEM);
         memcpy(nb, os->buf, os->bufpos);
@@ -440,7 +440,7 @@ static int ogg_read_page(AVFormatContext *s, int *sid)
     os->granule = gp;
     os->flags   = flags;
 
-    memset(os->buf + os->bufpos, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(os->buf + os->bufpos, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     if (sid)
         *sid = idx;
 
diff --git a/libavformat/oggparseogm.c b/libavformat/oggparseogm.c
index 54024e0a0a..ae8c3c850c 100644
--- a/libavformat/oggparseogm.c
+++ b/libavformat/oggparseogm.c
@@ -102,7 +102,7 @@ ogm_header(AVFormatContext *s, int idx)
                 size -= 4;
             }
             if (size > 52) {
-                av_assert0(FF_INPUT_BUFFER_PADDING_SIZE <= 52);
+                av_assert0(AV_INPUT_BUFFER_PADDING_SIZE <= 52);
                 size -= 52;
                 ff_alloc_extradata(st->codec, size);
                 bytestream2_get_buffer(&p, st->codec->extradata, st->codec->extradata_size);
diff --git a/libavformat/oggparsetheora.c b/libavformat/oggparsetheora.c
index 91c70dfec9..e92d4c5170 100644
--- a/libavformat/oggparsetheora.c
+++ b/libavformat/oggparsetheora.c
@@ -127,11 +127,11 @@ static int theora_header(AVFormatContext *s, int idx)
     }
 
     if ((err = av_reallocp(&st->codec->extradata,
-                           cds + FF_INPUT_BUFFER_PADDING_SIZE)) < 0) {
+                           cds + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
         st->codec->extradata_size = 0;
         return err;
     }
-    memset(st->codec->extradata + cds, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(st->codec->extradata + cds, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     cdp    = st->codec->extradata + st->codec->extradata_size;
     *cdp++ = os->psize >> 8;
diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c
index dd44337437..59e7b75522 100644
--- a/libavformat/oggparsevorbis.c
+++ b/libavformat/oggparsevorbis.c
@@ -242,7 +242,7 @@ static int fixup_vorbis_headers(AVFormatContext *as,
         offset += priv->len[i];
         av_freep(&priv->packet[i]);
     }
-    if ((err = av_reallocp(buf, offset + FF_INPUT_BUFFER_PADDING_SIZE)) < 0)
+    if ((err = av_reallocp(buf, offset + AV_INPUT_BUFFER_PADDING_SIZE)) < 0)
         return err;
     return offset;
 }
diff --git a/libavformat/rdt.c b/libavformat/rdt.c
index bb56a8ba81..046d2732a4 100644
--- a/libavformat/rdt.c
+++ b/libavformat/rdt.c
@@ -86,7 +86,7 @@ struct PayloadContext {
     RMStream **rmst;
     uint8_t *mlti_data;
     unsigned int mlti_data_size;
-    char buffer[RTP_MAX_PACKET_LENGTH + FF_INPUT_BUFFER_PADDING_SIZE];
+    char buffer[RTP_MAX_PACKET_LENGTH + AV_INPUT_BUFFER_PADDING_SIZE];
     int audio_pkt_cnt; /**< remaining audio packets in rmdec */
 };
 
@@ -398,7 +398,7 @@ rdt_parse_b64buf (unsigned int *target_len, const char *p)
         len -= 2; /* skip embracing " at start/end */
     }
     *target_len = len * 3 / 4;
-    target = av_mallocz(*target_len + FF_INPUT_BUFFER_PADDING_SIZE);
+    target = av_mallocz(*target_len + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!target)
         return NULL;
     av_base64_decode(target, p, *target_len);
diff --git a/libavformat/redspark.c b/libavformat/redspark.c
index 13a7b37d25..66c2dc5aae 100644
--- a/libavformat/redspark.c
+++ b/libavformat/redspark.c
@@ -67,7 +67,7 @@ static int redspark_read_header(AVFormatContext *s)
         return AVERROR(ENOMEM);
     codec = st->codec;
 
-    header = av_malloc(HEADER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+    header = av_malloc(HEADER_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!header)
         return AVERROR(ENOMEM);
     pbc = header;
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c
index 832f15daa4..6b66b953eb 100644
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@@ -220,7 +220,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
                 if (version == 5)
                     avio_r8(pb);
                 codecdata_length = avio_rb32(pb);
-                if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
+                if(codecdata_length + AV_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
                     av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
                     return -1;
                 }
@@ -250,7 +250,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
             if (version == 5)
                 avio_r8(pb);
             codecdata_length = avio_rb32(pb);
-            if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
+            if(codecdata_length + AV_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
                 av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
                 return -1;
             }
diff --git a/libavformat/rtpdec_h264.c b/libavformat/rtpdec_h264.c
index 2ac79dbf5e..b399be423e 100644
--- a/libavformat/rtpdec_h264.c
+++ b/libavformat/rtpdec_h264.c
@@ -119,7 +119,7 @@ int ff_h264_parse_sprop_parameter_sets(AVFormatContext *s,
             uint8_t *dest = av_realloc(*data_ptr,
                                        packet_size + sizeof(start_sequence) +
                                        *size_ptr +
-                                       FF_INPUT_BUFFER_PADDING_SIZE);
+                                       AV_INPUT_BUFFER_PADDING_SIZE);
             if (!dest) {
                 av_log(s, AV_LOG_ERROR,
                        "Unable to allocate memory for extradata!\n");
@@ -132,7 +132,7 @@ int ff_h264_parse_sprop_parameter_sets(AVFormatContext *s,
             memcpy(dest + *size_ptr + sizeof(start_sequence),
                    decoded_packet, packet_size);
             memset(dest + *size_ptr + sizeof(start_sequence) +
-                   packet_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+                   packet_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
             *size_ptr += sizeof(start_sequence) + packet_size;
         }
diff --git a/libavformat/rtpdec_hevc.c b/libavformat/rtpdec_hevc.c
index 51c2094882..815a72c2b2 100644
--- a/libavformat/rtpdec_hevc.c
+++ b/libavformat/rtpdec_hevc.c
@@ -152,7 +152,7 @@ static av_cold int hevc_parse_sdp_line(AVFormatContext *ctx, int st_index,
             codec->extradata_size = hevc_data->vps_size + hevc_data->sps_size +
                                     hevc_data->pps_size + hevc_data->sei_size;
             codec->extradata = av_malloc(codec->extradata_size +
-                                         FF_INPUT_BUFFER_PADDING_SIZE);
+                                         AV_INPUT_BUFFER_PADDING_SIZE);
             if (!codec->extradata) {
                 ret = AVERROR(ENOMEM);
                 codec->extradata_size = 0;
@@ -166,7 +166,7 @@ static av_cold int hevc_parse_sdp_line(AVFormatContext *ctx, int st_index,
                 pos += hevc_data->pps_size;
                 memcpy(codec->extradata + pos, hevc_data->sei, hevc_data->sei_size);
                 pos += hevc_data->sei_size;
-                memset(codec->extradata + pos, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+                memset(codec->extradata + pos, 0, AV_INPUT_BUFFER_PADDING_SIZE);
             }
 
             av_freep(&hevc_data->vps);
diff --git a/libavformat/rtpdec_latm.c b/libavformat/rtpdec_latm.c
index 7db92f60fa..aebba5741d 100644
--- a/libavformat/rtpdec_latm.c
+++ b/libavformat/rtpdec_latm.c
@@ -97,7 +97,7 @@ static int parse_fmtp_config(AVStream *st, const char *value)
     int audio_mux_version, same_time_framing, num_programs, num_layers;
 
     /* Pad this buffer, too, to avoid out of bounds reads with get_bits below */
-    config = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
+    config = av_mallocz(len + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!config)
         return AVERROR(ENOMEM);
     ff_hex_to_data(config, value);
diff --git a/libavformat/rtpdec_qt.c b/libavformat/rtpdec_qt.c
index ba701dc6cf..e11303fe01 100644
--- a/libavformat/rtpdec_qt.c
+++ b/libavformat/rtpdec_qt.c
@@ -174,14 +174,14 @@ static int qt_rtp_parse_packet(AVFormatContext *s, PayloadContext *qt,
         if (qt->pkt.size > 0 && qt->timestamp == *timestamp) {
             int err;
             if ((err = av_reallocp(&qt->pkt.data, qt->pkt.size + alen +
-                                   FF_INPUT_BUFFER_PADDING_SIZE)) < 0) {
+                                   AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
                 qt->pkt.size = 0;
                 return err;
             }
         } else {
             av_freep(&qt->pkt.data);
             av_init_packet(&qt->pkt);
-            qt->pkt.data = av_realloc(NULL, alen + FF_INPUT_BUFFER_PADDING_SIZE);
+            qt->pkt.data = av_realloc(NULL, alen + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!qt->pkt.data)
                 return AVERROR(ENOMEM);
             qt->pkt.size = 0;
@@ -198,7 +198,7 @@ static int qt_rtp_parse_packet(AVFormatContext *s, PayloadContext *qt,
             qt->pkt.data = NULL;
             pkt->flags        = keyframe ? AV_PKT_FLAG_KEY : 0;
             pkt->stream_index = st->index;
-            memset(pkt->data + pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+            memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
             return 0;
         }
         return AVERROR(EAGAIN);
diff --git a/libavformat/rtpdec_xiph.c b/libavformat/rtpdec_xiph.c
index eceb840580..9ea3b19386 100644
--- a/libavformat/rtpdec_xiph.c
+++ b/libavformat/rtpdec_xiph.c
@@ -262,8 +262,8 @@ parse_packed_headers(const uint8_t * packed_headers,
     /* allocate extra space:
      * -- length/255 +2 for xiphlacing
      * -- one for the '2' marker
-     * -- FF_INPUT_BUFFER_PADDING_SIZE required */
-    extradata_alloc = length + length/255 + 3 + FF_INPUT_BUFFER_PADDING_SIZE;
+     * -- AV_INPUT_BUFFER_PADDING_SIZE required */
+    extradata_alloc = length + length/255 + 3 + AV_INPUT_BUFFER_PADDING_SIZE;
 
     if (ff_alloc_extradata(codec, extradata_alloc)) {
         av_log(codec, AV_LOG_ERROR, "Out of memory\n");
diff --git a/libavformat/spdifenc.c b/libavformat/spdifenc.c
index cdcff24421..b4608a1c7c 100644
--- a/libavformat/spdifenc.c
+++ b/libavformat/spdifenc.c
@@ -525,7 +525,7 @@ static int spdif_write_packet(struct AVFormatContext *s, AVPacket *pkt)
     if (ctx->extra_bswap ^ (ctx->spdif_flags & SPDIF_FLAG_BIGENDIAN)) {
         avio_write(s->pb, ctx->out_buf, ctx->out_bytes & ~1);
     } else {
-        av_fast_malloc(&ctx->buffer, &ctx->buffer_size, ctx->out_bytes + FF_INPUT_BUFFER_PADDING_SIZE);
+        av_fast_malloc(&ctx->buffer, &ctx->buffer_size, ctx->out_bytes + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!ctx->buffer)
             return AVERROR(ENOMEM);
         ff_spdif_bswap_buf16((uint16_t *)ctx->buffer, (uint16_t *)ctx->out_buf, ctx->out_bytes >> 1);
diff --git a/libavformat/takdec.c b/libavformat/takdec.c
index 3eb1a8ec2d..970ab4a8b4 100644
--- a/libavformat/takdec.c
+++ b/libavformat/takdec.c
@@ -82,10 +82,10 @@ static int tak_read_header(AVFormatContext *s)
             if (size <= 3)
                 return AVERROR_INVALIDDATA;
 
-            buffer = av_malloc(size - 3 + FF_INPUT_BUFFER_PADDING_SIZE);
+            buffer = av_malloc(size - 3 + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!buffer)
                 return AVERROR(ENOMEM);
-            memset(buffer + size - 3, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+            memset(buffer + size - 3, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
             ffio_init_checksum(pb, tak_check_crc, 0xCE04B7U);
             if (avio_read(pb, buffer, size - 3) != size - 3) {
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 831d90a356..ccc2129126 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2922,14 +2922,14 @@ int ff_alloc_extradata(AVCodecContext *avctx, int size)
 {
     int ret;
 
-    if (size < 0 || size >= INT32_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+    if (size < 0 || size >= INT32_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
         avctx->extradata = NULL;
         avctx->extradata_size = 0;
         return AVERROR(EINVAL);
     }
-    avctx->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (avctx->extradata) {
-        memset(avctx->extradata + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(avctx->extradata + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         avctx->extradata_size = size;
         ret = 0;
     } else {