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Diffstat (limited to 'libavcodec/lcldec.c')
-rw-r--r--libavcodec/lcldec.c60
1 files changed, 25 insertions, 35 deletions
diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index f8d45da95a..45308ccbbe 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -55,8 +55,6 @@
* Decoder context
*/
typedef struct LclDecContext {
- AVFrame pic;
-
// Image type
int imgtype;
// Compression type
@@ -166,6 +164,7 @@ static int zlib_decomp(AVCodecContext *avctx, const uint8_t *src, int src_len, i
*/
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
{
+ AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
LclDecContext * const c = avctx->priv_data;
@@ -182,17 +181,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
unsigned int mthread_inlen, mthread_outlen;
unsigned int len = buf_size;
- if(c->pic.data[0])
- avctx->release_buffer(avctx, &c->pic);
-
- c->pic.reference = 0;
- c->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
- if ((ret = ff_get_buffer(avctx, &c->pic)) < 0) {
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- outptr = c->pic.data[0]; // Output image pointer
+ outptr = frame->data[0]; // Output image pointer
/* Decompress frame */
switch (avctx->codec_id) {
@@ -386,9 +380,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
}
/* Convert colorspace */
- y_out = c->pic.data[0] + (height - 1) * c->pic.linesize[0];
- u_out = c->pic.data[1] + (height - 1) * c->pic.linesize[1];
- v_out = c->pic.data[2] + (height - 1) * c->pic.linesize[2];
+ y_out = frame->data[0] + (height - 1) * frame->linesize[0];
+ u_out = frame->data[1] + (height - 1) * frame->linesize[1];
+ v_out = frame->data[2] + (height - 1) * frame->linesize[2];
switch (c->imgtype) {
case IMGTYPE_YUV111:
for (row = 0; row < height; row++) {
@@ -397,9 +391,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
u_out[col] = *encoded++ + 128;
v_out[col] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_YUV422:
@@ -412,14 +406,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
v_out[ col >> 1 ] = *encoded++ + 128;
v_out[(col >> 1) + 1] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_RGB24:
for (row = height - 1; row >= 0; row--) {
- pixel_ptr = row * c->pic.linesize[0];
+ pixel_ptr = row * frame->linesize[0];
memcpy(outptr + pixel_ptr, encoded, 3 * width);
encoded += 3 * width;
}
@@ -432,9 +426,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
u_out[col >> 2] = *encoded++ + 128;
v_out[col >> 2] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_YUV211:
@@ -445,26 +439,26 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
u_out[col >> 1] = *encoded++ + 128;
v_out[col >> 1] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_YUV420:
- u_out = c->pic.data[1] + ((height >> 1) - 1) * c->pic.linesize[1];
- v_out = c->pic.data[2] + ((height >> 1) - 1) * c->pic.linesize[2];
+ u_out = frame->data[1] + ((height >> 1) - 1) * frame->linesize[1];
+ v_out = frame->data[2] + ((height >> 1) - 1) * frame->linesize[2];
for (row = 0; row < height - 1; row += 2) {
for (col = 0; col < width - 1; col += 2) {
memcpy(y_out + col, encoded, 2);
encoded += 2;
- memcpy(y_out + col - c->pic.linesize[0], encoded, 2);
+ memcpy(y_out + col - frame->linesize[0], encoded, 2);
encoded += 2;
u_out[col >> 1] = *encoded++ + 128;
v_out[col >> 1] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0] << 1;
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0] << 1;
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
default:
@@ -473,7 +467,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
}
*got_frame = 1;
- *(AVFrame*)data = c->pic;
/* always report that the buffer was completely consumed */
return buf_size;
@@ -492,7 +485,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
FFALIGN(avctx->height, 4);
unsigned int max_decomp_size;
- avcodec_get_frame_defaults(&c->pic);
if (avctx->extradata_size < 8) {
av_log(avctx, AV_LOG_ERROR, "Extradata size too small.\n");
return AVERROR_INVALIDDATA;
@@ -638,8 +630,6 @@ static av_cold int decode_end(AVCodecContext *avctx)
LclDecContext * const c = avctx->priv_data;
av_freep(&c->decomp_buf);
- if (c->pic.data[0])
- avctx->release_buffer(avctx, &c->pic);
#if CONFIG_ZLIB_DECODER
if (avctx->codec_id == AV_CODEC_ID_ZLIB)
inflateEnd(&c->zstream);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 07:15:11 +0000