aboutsummaryrefslogtreecommitdiff
path: root/libavcodec/utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/utils.c')
-rw-r--r--libavcodec/utils.c625
1 files changed, 400 insertions, 225 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index e42b72e431..d68c28093b 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -31,6 +31,7 @@
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
#include "libavutil/crc.h"
+#include "libavutil/frame.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
@@ -179,8 +180,6 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
s->height = -((-height) >> s->lowres);
}
-#define INTERNAL_BUFFER_SIZE (32 + 1)
-
#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
# define STRIDE_ALIGN 16
#else
@@ -358,89 +357,26 @@ int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
return ret;
}
-static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
{
- AVCodecInternal *avci = avctx->internal;
- int buf_size, ret;
-
- av_freep(&avci->audio_data);
- buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
- frame->nb_samples, avctx->sample_fmt,
- 0);
- if (buf_size < 0)
- return AVERROR(EINVAL);
-
- frame->data[0] = av_mallocz(buf_size);
- if (!frame->data[0])
- return AVERROR(ENOMEM);
-
- ret = avcodec_fill_audio_frame(frame, avctx->channels, avctx->sample_fmt,
- frame->data[0], buf_size, 0);
- if (ret < 0) {
- av_freep(&frame->data[0]);
- return ret;
- }
-
- avci->audio_data = frame->data[0];
- if (avctx->debug & FF_DEBUG_BUFFERS)
- av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p, "
- "internal audio buffer used\n", frame);
-
- return 0;
-}
-
-static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
-{
- int i;
- int w = s->width;
- int h = s->height;
- InternalBuffer *buf;
- AVCodecInternal *avci = s->internal;
-
- if (pic->data[0] != NULL) {
- av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
- return -1;
- }
- if (avci->buffer_count >= INTERNAL_BUFFER_SIZE) {
- av_log(s, AV_LOG_ERROR, "buffer_count overflow (missing release_buffer?)\n");
- return -1;
- }
-
- if (av_image_check_size(w, h, 0, s) || s->pix_fmt<0) {
- av_log(s, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
- return -1;
- }
-
- if (!avci->buffer) {
- avci->buffer = av_mallocz((INTERNAL_BUFFER_SIZE + 1) *
- sizeof(InternalBuffer));
- }
-
- buf = &avci->buffer[avci->buffer_count];
-
- if (buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)) {
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
- av_freep(&buf->base[i]);
- buf->data[i] = NULL;
- }
- }
+ FramePool *pool = avctx->internal->pool;
+ int i, ret;
- if (!buf->base[0]) {
- int h_chroma_shift, v_chroma_shift;
- int size[4] = { 0 };
- int tmpsize;
- int unaligned;
+ switch (avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO: {
AVPicture picture;
- int stride_align[AV_NUM_DATA_POINTERS];
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
- const int pixel_size = desc->comp[0].step_minus1 + 1;
+ int size[4] = { 0 };
+ int w = frame->width;
+ int h = frame->height;
+ int tmpsize, unaligned;
- av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift,
- &v_chroma_shift);
+ if (pool->format == frame->format &&
+ pool->width == frame->width && pool->height == frame->height)
+ return 0;
- avcodec_align_dimensions2(s, &w, &h, stride_align);
+ avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
- if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
+ if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
w += EDGE_WIDTH * 2;
h += EDGE_WIDTH * 2;
}
@@ -448,16 +384,17 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
do {
// NOTE: do not align linesizes individually, this breaks e.g. assumptions
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
- av_image_fill_linesizes(picture.linesize, s->pix_fmt, w);
+ av_image_fill_linesizes(picture.linesize, avctx->pix_fmt, w);
// increase alignment of w for next try (rhs gives the lowest bit set in w)
w += w & ~(w - 1);
unaligned = 0;
for (i = 0; i < 4; i++)
- unaligned |= picture.linesize[i] % stride_align[i];
+ unaligned |= picture.linesize[i] % pool->stride_align[i];
} while (unaligned);
- tmpsize = av_image_fill_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize);
+ tmpsize = av_image_fill_pointers(picture.data, avctx->pix_fmt, h,
+ NULL, picture.linesize);
if (tmpsize < 0)
return -1;
@@ -465,49 +402,156 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
size[i] = picture.data[i + 1] - picture.data[i];
size[i] = tmpsize - (picture.data[i] - picture.data[0]);
- memset(buf->base, 0, sizeof(buf->base));
- memset(buf->data, 0, sizeof(buf->data));
-
- for (i = 0; i < 4 && size[i]; i++) {
- const int h_shift = i == 0 ? 0 : h_chroma_shift;
- const int v_shift = i == 0 ? 0 : v_chroma_shift;
+ for (i = 0; i < 4; i++) {
+ av_buffer_pool_uninit(&pool->pools[i]);
+ pool->linesize[i] = picture.linesize[i];
+ if (size[i]) {
+ pool->pools[i] = av_buffer_pool_init(size[i] + 16, NULL);
+ if (!pool->pools[i]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ }
+ }
+ pool->format = frame->format;
+ pool->width = frame->width;
+ pool->height = frame->height;
- buf->linesize[i] = picture.linesize[i];
+ break;
+ }
+ case AVMEDIA_TYPE_AUDIO: {
+ int ch = av_get_channel_layout_nb_channels(frame->channel_layout);
+ int planar = av_sample_fmt_is_planar(frame->format);
+ int planes = planar ? ch : 1;
+
+ if (pool->format == frame->format && pool->planes == planes &&
+ pool->channels == ch && frame->nb_samples == pool->samples)
+ return 0;
+
+ av_buffer_pool_uninit(&pool->pools[0]);
+ ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
+ frame->nb_samples, frame->format, 0);
+ if (ret < 0)
+ goto fail;
- buf->base[i] = av_malloc(size[i] + 16); //FIXME 16
- if (buf->base[i] == NULL)
- return AVERROR(ENOMEM);
+ pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
+ if (!pool->pools[0]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
- // no edge if EDGE EMU or not planar YUV
- if ((s->flags & CODEC_FLAG_EMU_EDGE) || !size[2])
- buf->data[i] = buf->base[i];
- else
- buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i] * EDGE_WIDTH >> v_shift) + (pixel_size * EDGE_WIDTH >> h_shift), stride_align[i]);
+ pool->format = frame->format;
+ pool->planes = planes;
+ pool->channels = ch;
+ pool->samples = frame->nb_samples;
+ break;
}
- for (; i < AV_NUM_DATA_POINTERS; i++) {
- buf->base[i] = buf->data[i] = NULL;
- buf->linesize[i] = 0;
+ default: av_assert0(0);
+ }
+ return 0;
+fail:
+ for (i = 0; i < 4; i++)
+ av_buffer_pool_uninit(&pool->pools[i]);
+ pool->format = -1;
+ pool->planes = pool->channels = pool->samples = 0;
+ pool->width = pool->height = 0;
+ return ret;
+}
+
+static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+ FramePool *pool = avctx->internal->pool;
+ int planes = pool->planes;
+ int i;
+
+ frame->linesize[0] = pool->linesize[0];
+
+ if (planes > AV_NUM_DATA_POINTERS) {
+ frame->extended_data = av_mallocz(planes * sizeof(*frame->extended_data));
+ frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
+ frame->extended_buf = av_mallocz(frame->nb_extended_buf *
+ sizeof(*frame->extended_buf));
+ if (!frame->extended_data || !frame->extended_buf) {
+ av_freep(&frame->extended_data);
+ av_freep(&frame->extended_buf);
+ return AVERROR(ENOMEM);
}
- if (size[1] && !size[2])
- avpriv_set_systematic_pal2((uint32_t *)buf->data[1], s->pix_fmt);
- buf->width = s->width;
- buf->height = s->height;
- buf->pix_fmt = s->pix_fmt;
+ } else
+ frame->extended_data = frame->data;
+
+ for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
+ frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
+ if (!frame->buf[i])
+ goto fail;
+ frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
+ }
+ for (i = 0; i < frame->nb_extended_buf; i++) {
+ frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
+ if (!frame->extended_buf[i])
+ goto fail;
+ frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
}
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
- pic->base[i] = buf->base[i];
- pic->data[i] = buf->data[i];
- pic->linesize[i] = buf->linesize[i];
+ if (avctx->debug & FF_DEBUG_BUFFERS)
+ av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
+
+ return 0;
+fail:
+ av_frame_unref(frame);
+ return AVERROR(ENOMEM);
+}
+
+static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
+{
+ FramePool *pool = s->internal->pool;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
+ int pixel_size = desc->comp[0].step_minus1 + 1;
+ int h_chroma_shift, v_chroma_shift;
+ int i;
+
+ if (pic->data[0] != NULL) {
+ av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
+ return -1;
}
+
+ memset(pic->data, 0, sizeof(pic->data));
pic->extended_data = pic->data;
- avci->buffer_count++;
+
+ av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
+
+ for (i = 0; i < 4 && pool->pools[i]; i++) {
+ const int h_shift = i == 0 ? 0 : h_chroma_shift;
+ const int v_shift = i == 0 ? 0 : v_chroma_shift;
+
+ pic->linesize[i] = pool->linesize[i];
+
+ pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
+ if (!pic->buf[i])
+ goto fail;
+
+ // no edge if EDGE EMU or not planar YUV
+ if ((s->flags & CODEC_FLAG_EMU_EDGE) || !pool->pools[2])
+ pic->data[i] = pic->buf[i]->data;
+ else {
+ pic->data[i] = pic->buf[i]->data +
+ FFALIGN((pic->linesize[i] * EDGE_WIDTH >> v_shift) +
+ (pixel_size * EDGE_WIDTH >> h_shift), pool->stride_align[i]);
+ }
+ }
+ for (; i < AV_NUM_DATA_POINTERS; i++) {
+ pic->data[i] = NULL;
+ pic->linesize[i] = 0;
+ }
+ if (pic->data[1] && !pic->data[2])
+ avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);
if (s->debug & FF_DEBUG_BUFFERS)
- av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d "
- "buffers used\n", pic, avci->buffer_count);
+ av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
return 0;
+fail:
+ av_frame_unref(pic);
+ return AVERROR(ENOMEM);
}
void avpriv_color_frame(AVFrame *frame, const int c[4])
@@ -532,9 +576,17 @@ void avpriv_color_frame(AVFrame *frame, const int c[4])
}
}
-int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
{
+ int ret;
+
+ if ((ret = update_frame_pool(avctx, frame)) < 0)
+ return ret;
+
+#if FF_API_GET_BUFFER
frame->type = FF_BUFFER_TYPE_INTERNAL;
+#endif
+
switch (avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
return video_get_buffer(avctx, frame);
@@ -576,94 +628,204 @@ void ff_init_buffer_info(AVCodecContext *s, AVFrame *frame)
}
}
-int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+#if FF_API_GET_BUFFER
+int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
{
- ff_init_buffer_info(avctx, frame);
+ return avcodec_default_get_buffer2(avctx, frame, 0);
+}
- return avctx->get_buffer(avctx, frame);
+typedef struct CompatReleaseBufPriv {
+ AVCodecContext avctx;
+ AVFrame frame;
+} CompatReleaseBufPriv;
+
+static void compat_free_buffer(void *opaque, uint8_t *data)
+{
+ CompatReleaseBufPriv *priv = opaque;
+ priv->avctx.release_buffer(&priv->avctx, &priv->frame);
+ av_freep(&priv);
}
-void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
+static void compat_release_buffer(void *opaque, uint8_t *data)
{
- int i;
- InternalBuffer *buf, *last;
- AVCodecInternal *avci = s->internal;
+ AVBufferRef *buf = opaque;
+ av_buffer_unref(&buf);
+}
+#endif
- av_assert0(s->codec_type == AVMEDIA_TYPE_VIDEO);
+int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
+{
+ int ret;
+
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0 || avctx->pix_fmt<0) {
+ av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ ff_init_buffer_info(avctx, frame);
- assert(pic->type == FF_BUFFER_TYPE_INTERNAL);
- assert(avci->buffer_count);
+#if FF_API_GET_BUFFER
+ /*
+ * Wrap an old get_buffer()-allocated buffer in an bunch of AVBuffers.
+ * We wrap each plane in its own AVBuffer. Each of those has a reference to
+ * a dummy AVBuffer as its private data, unreffing it on free.
+ * When all the planes are freed, the dummy buffer's free callback calls
+ * release_buffer().
+ */
+ if (avctx->get_buffer) {
+ CompatReleaseBufPriv *priv = NULL;
+ AVBufferRef *dummy_buf = NULL;
+ int planes, i, ret;
- if (avci->buffer) {
- buf = NULL; /* avoids warning */
- for (i = 0; i < avci->buffer_count; i++) { //just 3-5 checks so is not worth to optimize
- buf = &avci->buffer[i];
- if (buf->data[0] == pic->data[0])
- break;
+ if (flags & AV_GET_BUFFER_FLAG_REF)
+ frame->reference = 1;
+
+ ret = avctx->get_buffer(avctx, frame);
+ if (ret < 0)
+ return ret;
+
+ /* return if the buffers are already set up
+ * this would happen e.g. when a custom get_buffer() calls
+ * avcodec_default_get_buffer
+ */
+ if (frame->buf[0])
+ return 0;
+
+ priv = av_mallocz(sizeof(*priv));
+ if (!priv) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
}
- av_assert0(i < avci->buffer_count);
- avci->buffer_count--;
- last = &avci->buffer[avci->buffer_count];
+ priv->avctx = *avctx;
+ priv->frame = *frame;
- if (buf != last)
- FFSWAP(InternalBuffer, *buf, *last);
- }
+ dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);
+ if (!dummy_buf) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
- pic->data[i] = NULL;
-// pic->base[i]=NULL;
+#define WRAP_PLANE(ref_out, data, data_size) \
+do { \
+ AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
+ if (!dummy_ref) { \
+ ret = AVERROR(ENOMEM); \
+ goto fail; \
+ } \
+ ref_out = av_buffer_create(data, data_size, compat_release_buffer, \
+ dummy_ref, 0); \
+ if (!ref_out) { \
+ av_frame_unref(frame); \
+ ret = AVERROR(ENOMEM); \
+ goto fail; \
+ } \
+} while (0)
+
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
+
+ if (!desc) {
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ planes = (desc->flags & PIX_FMT_PLANAR) ? desc->nb_components : 1;
- if (s->debug & FF_DEBUG_BUFFERS)
- av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d "
- "buffers used\n", pic, avci->buffer_count);
-}
+ for (i = 0; i < planes; i++) {
+ int h_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
+ int plane_size = (frame->width >> h_shift) * frame->linesize[i];
-int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
-{
- AVFrame temp_pic;
- int i, ret;
+ WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
+ }
+ } else {
+ int planar = av_sample_fmt_is_planar(frame->format);
+ planes = planar ? avctx->channels : 1;
+
+ if (planes > FF_ARRAY_ELEMS(frame->buf)) {
+ frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
+ frame->extended_buf = av_malloc(sizeof(*frame->extended_buf) *
+ frame->nb_extended_buf);
+ if (!frame->extended_buf) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ }
- av_assert0(s->codec_type == AVMEDIA_TYPE_VIDEO);
+ for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
+ WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
- if (pic->data[0] && (pic->width != s->width || pic->height != s->height || pic->format != s->pix_fmt)) {
- av_log(s, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
- pic->width, pic->height, av_get_pix_fmt_name(pic->format), s->width, s->height, av_get_pix_fmt_name(s->pix_fmt));
- s->release_buffer(s, pic);
+ for (i = 0; i < planes - FF_ARRAY_ELEMS(frame->buf); i++)
+ WRAP_PLANE(frame->extended_buf[i],
+ frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
+ frame->linesize[0]);
+ }
+
+ av_buffer_unref(&dummy_buf);
+
+ return 0;
+
+fail:
+ avctx->release_buffer(avctx, frame);
+ av_freep(&priv);
+ av_buffer_unref(&dummy_buf);
+ return ret;
}
+#endif
+
+ return avctx->get_buffer2(avctx, frame, flags);
+}
+
+int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+ AVFrame tmp;
+ int ret;
- ff_init_buffer_info(s, pic);
+ av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
- /* If no picture return a new buffer */
- if (pic->data[0] == NULL) {
- /* We will copy from buffer, so must be readable */
- pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
- return ff_get_buffer(s, pic);
+ if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
+ av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
+ frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
+ av_frame_unref(frame);
}
- assert(s->pix_fmt == pic->format);
+ ff_init_buffer_info(avctx, frame);
- /* If internal buffer type return the same buffer */
- if (pic->type == FF_BUFFER_TYPE_INTERNAL) {
+ if (!frame->data[0])
+ return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
+
+ if (av_frame_is_writable(frame))
return 0;
- }
- /*
- * Not internal type and reget_buffer not overridden, emulate cr buffer
- */
- temp_pic = *pic;
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
- pic->data[i] = pic->base[i] = NULL;
- pic->opaque = NULL;
- /* Allocate new frame */
- if ((ret = ff_get_buffer(s, pic)))
+ av_frame_move_ref(&tmp, frame);
+
+ ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
+ if (ret < 0) {
+ av_frame_unref(&tmp);
return ret;
- /* Copy image data from old buffer to new buffer */
- av_picture_copy((AVPicture *)pic, (AVPicture *)&temp_pic, s->pix_fmt, s->width,
- s->height);
- s->release_buffer(s, &temp_pic); // Release old frame
+ }
+
+ av_image_copy(frame->data, frame->linesize, tmp.data, tmp.linesize,
+ frame->format, frame->width, frame->height);
+
+ av_frame_unref(&tmp);
+
return 0;
}
+#if FF_API_GET_BUFFER
+void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
+{
+ av_assert0(s->codec_type == AVMEDIA_TYPE_VIDEO);
+
+ av_frame_unref(pic);
+}
+
+int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
+{
+ av_assert0(0);
+}
+#endif
+
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
{
int i;
@@ -844,6 +1006,12 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
goto end;
}
+ avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
+ if (!avctx->internal->pool) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
if (codec->priv_data_size > 0) {
if (!avctx->priv_data) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
@@ -1138,6 +1306,8 @@ end:
free_and_end:
av_dict_free(&tmp);
av_freep(&avctx->priv_data);
+ if (avctx->internal)
+ av_freep(&avctx->internal->pool);
av_freep(&avctx->internal);
avctx->codec = NULL;
goto end;
@@ -1670,6 +1840,7 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
int *got_picture_ptr,
const AVPacket *avpkt)
{
+ AVCodecInternal *avci = avctx->internal;
int ret;
// copy to ensure we do not change avpkt
AVPacket tmp = *avpkt;
@@ -1685,6 +1856,9 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
avcodec_get_frame_defaults(picture);
+ if (!avctx->refcounted_frames)
+ av_frame_unref(&avci->to_free);
+
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
int did_split = av_packet_split_side_data(&tmp);
apply_param_change(avctx, &tmp);
@@ -1720,7 +1894,15 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
ret = avpkt->size;
}
- if (*got_picture_ptr){
+ if (ret < 0 && picture->data[0])
+ av_frame_unref(picture);
+
+ if (*got_picture_ptr) {
+ if (!avctx->refcounted_frames) {
+ avci->to_free = *picture;
+ avci->to_free.extended_data = avci->to_free.data;
+ }
+
avctx->frame_number++;
av_frame_set_best_effort_timestamp(picture,
guess_correct_pts(avctx,
@@ -1791,6 +1973,7 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
int *got_frame_ptr,
const AVPacket *avpkt)
{
+ AVCodecInternal *avci = avctx->internal;
int planar, channels;
int ret = 0;
@@ -1807,6 +1990,9 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
avcodec_get_frame_defaults(frame);
+ if (!avctx->refcounted_frames)
+ av_frame_unref(&avci->to_free);
+
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
uint8_t *side;
int side_size;
@@ -1832,6 +2018,10 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
av_frame_set_channels(frame, avctx->channels);
if (!frame->sample_rate)
frame->sample_rate = avctx->sample_rate;
+ if (!avctx->refcounted_frames) {
+ avci->to_free = *frame;
+ avci->to_free.extended_data = avci->to_free.data;
+ }
}
add_metadata_from_side_data(avctx, frame);
@@ -1876,6 +2066,9 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
if(ret == tmp.size)
ret = avpkt->size;
}
+
+ if (ret < 0 && frame->data[0])
+ av_frame_unref(frame);
}
/* many decoders assign whole AVFrames, thus overwriting extended_data;
@@ -2040,6 +2233,8 @@ av_cold int avcodec_close(AVCodecContext *avctx)
return ret;
if (avcodec_is_open(avctx)) {
+ FramePool *pool = avctx->internal->pool;
+ int i;
if (HAVE_THREADS && avctx->internal->frame_thread_encoder && avctx->thread_count > 1) {
ff_unlock_avcodec();
ff_frame_thread_encoder_free(avctx);
@@ -2049,10 +2244,14 @@ av_cold int avcodec_close(AVCodecContext *avctx)
ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
- avcodec_default_free_buffers(avctx);
avctx->coded_frame = NULL;
avctx->internal->byte_buffer_size = 0;
av_freep(&avctx->internal->byte_buffer);
+ if (!avctx->refcounted_frames)
+ av_frame_unref(&avctx->internal->to_free);
+ for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
+ av_buffer_pool_uninit(&pool->pools[i]);
+ av_freep(&avctx->internal->pool);
av_freep(&avctx->internal);
av_dict_free(&avctx->metadata);
}
@@ -2336,49 +2535,6 @@ void avcodec_flush_buffers(AVCodecContext *avctx)
avctx->pts_correction_last_dts = INT64_MIN;
}
-static void video_free_buffers(AVCodecContext *s)
-{
- AVCodecInternal *avci = s->internal;
- int i, j;
-
- if (!avci->buffer)
- return;
-
- if (avci->buffer_count)
- av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n",
- avci->buffer_count);
- for (i = 0; i < INTERNAL_BUFFER_SIZE; i++) {
- InternalBuffer *buf = &avci->buffer[i];
- for (j = 0; j < 4; j++) {
- av_freep(&buf->base[j]);
- buf->data[j] = NULL;
- }
- }
- av_freep(&avci->buffer);
-
- avci->buffer_count = 0;
-}
-
-static void audio_free_buffers(AVCodecContext *avctx)
-{
- AVCodecInternal *avci = avctx->internal;
- av_freep(&avci->audio_data);
-}
-
-void avcodec_default_free_buffers(AVCodecContext *avctx)
-{
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- video_free_buffers(avctx);
- break;
- case AVMEDIA_TYPE_AUDIO:
- audio_free_buffers(avctx);
- break;
- default:
- break;
- }
-}
-
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
{
switch (codec_id) {
@@ -2784,29 +2940,48 @@ unsigned int avpriv_toupper4(unsigned int x)
(av_toupper((x >> 24) & 0xFF) << 24);
}
+int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
+{
+ int ret;
+
+ dst->owner = src->owner;
+
+ ret = av_frame_ref(dst->f, src->f);
+ if (ret < 0)
+ return ret;
+
+ if (src->progress &&
+ !(dst->progress = av_buffer_ref(src->progress))) {
+ ff_thread_release_buffer(dst->owner, dst);
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
#if !HAVE_THREADS
-int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
+int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
{
f->owner = avctx;
- return ff_get_buffer(avctx, f);
+ return ff_get_buffer(avctx, f->f, flags);
}
-void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
+void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
{
- f->owner->release_buffer(f->owner, f);
+ av_frame_unref(f->f);
}
void ff_thread_finish_setup(AVCodecContext *avctx)
{
}
-void ff_thread_report_progress(AVFrame *f, int progress, int field)
+void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
{
}
-void ff_thread_await_progress(AVFrame *f, int progress, int field)
+void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
{
}