#include "avcodec.h"
#include "bytestream.h"
#include "decode.h"
-#include "hwaccel.h"
+#include "hwconfig.h"
#include "internal.h"
#include "thread.h"
+typedef struct FramePool {
+ /**
+ * Pools for each data plane. For audio all the planes have the same size,
+ * so only pools[0] is used.
+ */
+ AVBufferPool *pools[4];
+
+ /*
+ * Pool parameters
+ */
+ int format;
+ int width, height;
+ int stride_align[AV_NUM_DATA_POINTERS];
+ int linesize[4];
+ int planes;
+ int channels;
+ int samples;
+} FramePool;
+
static int apply_param_change(AVCodecContext *avctx, const AVPacket *avpkt)
{
- int size = 0, ret;
+ int size, ret;
const uint8_t *data;
uint32_t flags;
int64_t val;
int ff_decode_bsfs_init(AVCodecContext *avctx)
{
AVCodecInternal *avci = avctx->internal;
- DecodeFilterContext *s = &avci->filter;
- const char *bsfs_str;
int ret;
- if (s->nb_bsfs)
+ if (avci->bsf)
return 0;
- bsfs_str = avctx->codec->bsfs ? avctx->codec->bsfs : "null";
- while (bsfs_str && *bsfs_str) {
- AVBSFContext **tmp;
- const AVBitStreamFilter *filter;
- char *bsf, *bsf_options_str, *bsf_name;
-
- bsf = av_get_token(&bsfs_str, ",");
- if (!bsf) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
- bsf_name = av_strtok(bsf, "=", &bsf_options_str);
- if (!bsf_name) {
- av_freep(&bsf);
- ret = AVERROR(ENOMEM);
- goto fail;
- }
-
- filter = av_bsf_get_by_name(bsf_name);
- if (!filter) {
- av_log(avctx, AV_LOG_ERROR, "A non-existing bitstream filter %s "
- "requested by a decoder. This is a bug, please report it.\n",
- bsf_name);
- av_freep(&bsf);
+ ret = av_bsf_list_parse_str(avctx->codec->bsfs, &avci->bsf);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error parsing decoder bitstream filters '%s': %s\n", avctx->codec->bsfs, av_err2str(ret));
+ if (ret != AVERROR(ENOMEM))
ret = AVERROR_BUG;
- goto fail;
- }
-
- tmp = av_realloc_array(s->bsfs, s->nb_bsfs + 1, sizeof(*s->bsfs));
- if (!tmp) {
- av_freep(&bsf);
- ret = AVERROR(ENOMEM);
- goto fail;
- }
- s->bsfs = tmp;
- s->nb_bsfs++;
-
- ret = av_bsf_alloc(filter, &s->bsfs[s->nb_bsfs - 1]);
- if (ret < 0) {
- av_freep(&bsf);
- goto fail;
- }
-
- if (s->nb_bsfs == 1) {
- /* We do not currently have an API for passing the input timebase into decoders,
- * but no filters used here should actually need it.
- * So we make up some plausible-looking number (the MPEG 90kHz timebase) */
- s->bsfs[s->nb_bsfs - 1]->time_base_in = (AVRational){ 1, 90000 };
- ret = avcodec_parameters_from_context(s->bsfs[s->nb_bsfs - 1]->par_in,
- avctx);
- } else {
- s->bsfs[s->nb_bsfs - 1]->time_base_in = s->bsfs[s->nb_bsfs - 2]->time_base_out;
- ret = avcodec_parameters_copy(s->bsfs[s->nb_bsfs - 1]->par_in,
- s->bsfs[s->nb_bsfs - 2]->par_out);
- }
- if (ret < 0) {
- av_freep(&bsf);
- goto fail;
- }
-
- if (bsf_options_str && filter->priv_class) {
- const AVOption *opt = av_opt_next(s->bsfs[s->nb_bsfs - 1]->priv_data, NULL);
- const char * shorthand[2] = {NULL};
-
- if (opt)
- shorthand[0] = opt->name;
-
- ret = av_opt_set_from_string(s->bsfs[s->nb_bsfs - 1]->priv_data, bsf_options_str, shorthand, "=", ":");
- if (ret < 0) {
- if (ret != AVERROR(ENOMEM)) {
- av_log(avctx, AV_LOG_ERROR, "Invalid options for bitstream filter %s "
- "requested by the decoder. This is a bug, please report it.\n",
- bsf_name);
- ret = AVERROR_BUG;
- }
- av_freep(&bsf);
- goto fail;
- }
- }
- av_freep(&bsf);
+ goto fail;
+ }
- ret = av_bsf_init(s->bsfs[s->nb_bsfs - 1]);
- if (ret < 0)
- goto fail;
+ /* We do not currently have an API for passing the input timebase into decoders,
+ * but no filters used here should actually need it.
+ * So we make up some plausible-looking number (the MPEG 90kHz timebase) */
+ avci->bsf->time_base_in = (AVRational){ 1, 90000 };
+ ret = avcodec_parameters_from_context(avci->bsf->par_in, avctx);
+ if (ret < 0)
+ goto fail;
- if (*bsfs_str)
- bsfs_str++;
- }
+ ret = av_bsf_init(avci->bsf);
+ if (ret < 0)
+ goto fail;
return 0;
fail:
- ff_decode_bsfs_uninit(avctx);
+ av_bsf_free(&avci->bsf);
return ret;
}
-/* try to get one output packet from the filter chain */
-static int bsfs_poll(AVCodecContext *avctx, AVPacket *pkt)
-{
- DecodeFilterContext *s = &avctx->internal->filter;
- int idx, ret;
-
- /* start with the last filter in the chain */
- idx = s->nb_bsfs - 1;
- while (idx >= 0) {
- /* request a packet from the currently selected filter */
- ret = av_bsf_receive_packet(s->bsfs[idx], pkt);
- if (ret == AVERROR(EAGAIN)) {
- /* no packets available, try the next filter up the chain */
- ret = 0;
- idx--;
- continue;
- } else if (ret < 0 && ret != AVERROR_EOF) {
- return ret;
- }
-
- /* got a packet or EOF -- pass it to the caller or to the next filter
- * down the chain */
- if (idx == s->nb_bsfs - 1) {
- return ret;
- } else {
- idx++;
- ret = av_bsf_send_packet(s->bsfs[idx], ret < 0 ? NULL : pkt);
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR,
- "Error pre-processing a packet before decoding\n");
- av_packet_unref(pkt);
- return ret;
- }
- }
- }
-
- return AVERROR(EAGAIN);
-}
-
int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
{
AVCodecInternal *avci = avctx->internal;
if (avci->draining)
return AVERROR_EOF;
- ret = bsfs_poll(avctx, pkt);
+ ret = av_bsf_receive_packet(avci->bsf, pkt);
if (ret == AVERROR_EOF)
avci->draining = 1;
if (ret < 0)
* returning any output, so this function needs to be called in a loop until it
* returns EAGAIN.
**/
-static int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame)
+static inline int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame)
{
AVCodecInternal *avci = avctx->internal;
DecodeSimpleContext *ds = &avci->ds;
side= av_packet_get_side_data(avci->last_pkt_props, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
if(side && side_size>=10) {
- avctx->internal->skip_samples = AV_RL32(side) * avctx->internal->skip_samples_multiplier;
+ avci->skip_samples = AV_RL32(side) * avci->skip_samples_multiplier;
discard_padding = AV_RL32(side + 4);
av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
- avctx->internal->skip_samples, (int)discard_padding);
+ avci->skip_samples, (int)discard_padding);
skip_reason = AV_RL8(side + 8);
discard_reason = AV_RL8(side + 9);
}
if ((frame->flags & AV_FRAME_FLAG_DISCARD) && got_frame &&
!(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
- avctx->internal->skip_samples = FFMAX(0, avctx->internal->skip_samples - frame->nb_samples);
+ avci->skip_samples = FFMAX(0, avci->skip_samples - frame->nb_samples);
got_frame = 0;
}
- if (avctx->internal->skip_samples > 0 && got_frame &&
+ if (avci->skip_samples > 0 && got_frame &&
!(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
- if(frame->nb_samples <= avctx->internal->skip_samples){
+ if(frame->nb_samples <= avci->skip_samples){
got_frame = 0;
- avctx->internal->skip_samples -= frame->nb_samples;
+ avci->skip_samples -= frame->nb_samples;
av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
- avctx->internal->skip_samples);
+ avci->skip_samples);
} else {
- av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
- frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
+ av_samples_copy(frame->extended_data, frame->extended_data, 0, avci->skip_samples,
+ frame->nb_samples - avci->skip_samples, avctx->channels, frame->format);
if(avctx->pkt_timebase.num && avctx->sample_rate) {
- int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
+ int64_t diff_ts = av_rescale_q(avci->skip_samples,
(AVRational){1, avctx->sample_rate},
avctx->pkt_timebase);
if(frame->pts!=AV_NOPTS_VALUE)
av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
}
av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
- avctx->internal->skip_samples, frame->nb_samples);
- frame->nb_samples -= avctx->internal->skip_samples;
- avctx->internal->skip_samples = 0;
+ avci->skip_samples, frame->nb_samples);
+ frame->nb_samples -= avci->skip_samples;
+ avci->skip_samples = 0;
}
}
if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && got_frame) {
AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
if (fside) {
- AV_WL32(fside->data, avctx->internal->skip_samples);
+ AV_WL32(fside->data, avci->skip_samples);
AV_WL32(fside->data + 4, discard_padding);
AV_WL8(fside->data + 8, skip_reason);
AV_WL8(fside->data + 9, discard_reason);
- avctx->internal->skip_samples = 0;
+ avci->skip_samples = 0;
}
}
}
/* do not stop draining when actual_got_frame != 0 or ret < 0 */
/* got_frame == 0 but actual_got_frame != 0 when frame is discarded */
- if (avctx->internal->draining && !actual_got_frame) {
+ if (avci->draining && !actual_got_frame) {
if (ret < 0) {
/* prevent infinite loop if a decoder wrongly always return error on draining */
/* reasonable nb_errors_max = maximum b frames + thread count */
return ret;
}
- ret = av_bsf_send_packet(avci->filter.bsfs[0], avci->buffer_pkt);
+ ret = av_bsf_send_packet(avci->bsf, avci->buffer_pkt);
if (ret < 0) {
av_packet_unref(avci->buffer_pkt);
return ret;
int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
{
AVCodecInternal *avci = avctx->internal;
- int ret;
+ int ret, changed;
av_frame_unref(frame);
avctx->frame_number++;
+ if (avctx->flags & AV_CODEC_FLAG_DROPCHANGED) {
+
+ if (avctx->frame_number == 1) {
+ avci->initial_format = frame->format;
+ switch(avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ avci->initial_width = frame->width;
+ avci->initial_height = frame->height;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ avci->initial_sample_rate = frame->sample_rate ? frame->sample_rate :
+ avctx->sample_rate;
+ avci->initial_channels = frame->channels;
+ avci->initial_channel_layout = frame->channel_layout;
+ break;
+ }
+ }
+
+ if (avctx->frame_number > 1) {
+ changed = avci->initial_format != frame->format;
+
+ switch(avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ changed |= avci->initial_width != frame->width ||
+ avci->initial_height != frame->height;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ changed |= avci->initial_sample_rate != frame->sample_rate ||
+ avci->initial_sample_rate != avctx->sample_rate ||
+ avci->initial_channels != frame->channels ||
+ avci->initial_channel_layout != frame->channel_layout;
+ break;
+ }
+
+ if (changed) {
+ avci->changed_frames_dropped++;
+ av_log(avctx, AV_LOG_INFO, "dropped changed frame #%d pts %"PRId64
+ " drop count: %d \n",
+ avctx->frame_number, frame->pts,
+ avci->changed_frames_dropped);
+ av_frame_unref(frame);
+ return AVERROR_INPUT_CHANGED;
+ }
+ }
+ }
return 0;
}
}
*got_frame = 0;
- avci->compat_decode = 1;
if (avci->compat_decode_partial_size > 0 &&
avci->compat_decode_partial_size != pkt->size) {
return ret;
}
+static void frame_pool_free(void *opaque, uint8_t *data)
+{
+ FramePool *pool = (FramePool*)data;
+ int i;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
+ av_buffer_pool_uninit(&pool->pools[i]);
+
+ av_freep(&data);
+}
+
+static AVBufferRef *frame_pool_alloc(void)
+{
+ FramePool *pool = av_mallocz(sizeof(*pool));
+ AVBufferRef *buf;
+
+ if (!pool)
+ return NULL;
+
+ buf = av_buffer_create((uint8_t*)pool, sizeof(*pool),
+ frame_pool_free, NULL, 0);
+ if (!buf) {
+ av_freep(&pool);
+ return NULL;
+ }
+
+ return buf;
+}
+
static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
{
- FramePool *pool = avctx->internal->pool;
- int i, ret;
+ FramePool *pool = avctx->internal->pool ?
+ (FramePool*)avctx->internal->pool->data : NULL;
+ AVBufferRef *pool_buf;
+ int i, ret, ch, planes;
+
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
+ int planar = av_sample_fmt_is_planar(frame->format);
+ ch = frame->channels;
+ planes = planar ? ch : 1;
+ }
+
+ if (pool && pool->format == frame->format) {
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO &&
+ pool->width == frame->width && pool->height == frame->height)
+ return 0;
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pool->planes == planes &&
+ pool->channels == ch && frame->nb_samples == pool->samples)
+ return 0;
+ }
+
+ pool_buf = frame_pool_alloc();
+ if (!pool_buf)
+ return AVERROR(ENOMEM);
+ pool = (FramePool*)pool_buf->data;
switch (avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO: {
- uint8_t *data[4];
int linesize[4];
- int size[4] = { 0 };
int w = frame->width;
int h = frame->height;
- int tmpsize, unaligned;
-
- if (pool->format == frame->format &&
- pool->width == frame->width && pool->height == frame->height)
- return 0;
+ int unaligned;
+ ptrdiff_t linesize1[4];
+ size_t size[4];
avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
ret = av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
if (ret < 0)
- return ret;
+ goto fail;
// increase alignment of w for next try (rhs gives the lowest bit set in w)
w += w & ~(w - 1);
unaligned |= linesize[i] % pool->stride_align[i];
} while (unaligned);
- tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
- NULL, linesize);
- if (tmpsize < 0)
- return tmpsize;
-
- for (i = 0; i < 3 && data[i + 1]; i++)
- size[i] = data[i + 1] - data[i];
- size[i] = tmpsize - (data[i] - data[0]);
+ for (i = 0; i < 4; i++)
+ linesize1[i] = linesize[i];
+ ret = av_image_fill_plane_sizes(size, avctx->pix_fmt, h, linesize1);
+ if (ret < 0)
+ goto fail;
for (i = 0; i < 4; i++) {
- av_buffer_pool_uninit(&pool->pools[i]);
pool->linesize[i] = linesize[i];
if (size[i]) {
+ if (size[i] > INT_MAX - (16 + STRIDE_ALIGN - 1)) {
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
CONFIG_MEMORY_POISONING ?
NULL :
break;
}
case AVMEDIA_TYPE_AUDIO: {
- int ch = frame->channels; //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)
}
default: av_assert0(0);
}
+
+ av_buffer_unref(&avctx->internal->pool);
+ avctx->internal->pool = pool_buf;
+
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;
+ av_buffer_unref(&pool_buf);
return ret;
}
static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
{
- FramePool *pool = avctx->internal->pool;
+ FramePool *pool = (FramePool*)avctx->internal->pool->data;
int planes = pool->planes;
int i;
static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
{
- FramePool *pool = s->internal->pool;
+ FramePool *pool = (FramePool*)s->internal->pool->data;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
int i;
{ AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
{ AV_PKT_DATA_CONTENT_LIGHT_LEVEL, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL },
{ AV_PKT_DATA_A53_CC, AV_FRAME_DATA_A53_CC },
+ { AV_PKT_DATA_ICC_PROFILE, AV_FRAME_DATA_ICC_PROFILE },
+ { AV_PKT_DATA_S12M_TIMECODE, AV_FRAME_DATA_S12M_TIMECODE },
};
if (pkt) {
return 0;
}
-static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
+int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
{
const AVHWAccel *hwaccel = avctx->hwaccel;
int override_dimensions = 1;
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
if ((ret = av_image_check_size2(FFALIGN(avctx->width, STRIDE_ALIGN), avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) {
av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
- return AVERROR(EINVAL);
+ ret = AVERROR(EINVAL);
+ goto fail;
}
if (frame->width <= 0 || frame->height <= 0) {
if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
- return AVERROR(EINVAL);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+ } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if (frame->nb_samples * (int64_t)avctx->channels > avctx->max_samples) {
+ av_log(avctx, AV_LOG_ERROR, "samples per frame %d, exceeds max_samples %"PRId64"\n", frame->nb_samples, avctx->max_samples);
+ ret = AVERROR(EINVAL);
+ goto fail;
}
}
ret = ff_decode_frame_props(avctx, frame);
if (ret < 0)
- return ret;
+ goto fail;
if (hwaccel) {
if (hwaccel->alloc_frame) {
ret = avctx->get_buffer2(avctx, frame, flags);
if (ret < 0)
- goto end;
+ goto fail;
validate_avframe_allocation(avctx, frame);
ret = ff_attach_decode_data(frame);
if (ret < 0)
- goto end;
+ goto fail;
end:
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions &&
frame->height = avctx->height;
}
- if (ret < 0)
- av_frame_unref(frame);
-
- return ret;
-}
-
-int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- int ret = get_buffer_internal(avctx, frame, flags);
+fail:
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- frame->width = frame->height = 0;
+ av_frame_unref(frame);
}
+
return ret;
}
-static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
+static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
{
AVFrame *tmp;
int ret;
if (!frame->data[0])
return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
- if (av_frame_is_writable(frame))
+ if ((flags & FF_REGET_BUFFER_FLAG_READONLY) || av_frame_is_writable(frame))
return ff_decode_frame_props(avctx, frame);
tmp = av_frame_alloc();
return 0;
}
-int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
+int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
{
- int ret = reget_buffer_internal(avctx, frame);
+ int ret = reget_buffer_internal(avctx, frame, flags);
if (ret < 0)
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
-
-static void bsfs_flush(AVCodecContext *avctx)
-{
- DecodeFilterContext *s = &avctx->internal->filter;
-
- for (int i = 0; i < s->nb_bsfs; i++)
- av_bsf_flush(s->bsfs[i]);
-}
-
-void avcodec_flush_buffers(AVCodecContext *avctx)
-{
- avctx->internal->draining = 0;
- avctx->internal->draining_done = 0;
- avctx->internal->nb_draining_errors = 0;
- av_frame_unref(avctx->internal->buffer_frame);
- av_frame_unref(avctx->internal->compat_decode_frame);
- av_packet_unref(avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
-
- av_packet_unref(avctx->internal->ds.in_pkt);
-
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ff_thread_flush(avctx);
- else if (avctx->codec->flush)
- avctx->codec->flush(avctx);
-
- avctx->pts_correction_last_pts =
- avctx->pts_correction_last_dts = INT64_MIN;
-
- bsfs_flush(avctx);
-
- if (!avctx->refcounted_frames)
- av_frame_unref(avctx->internal->to_free);
-}
-
-void ff_decode_bsfs_uninit(AVCodecContext *avctx)
-{
- DecodeFilterContext *s = &avctx->internal->filter;
- int i;
-
- for (i = 0; i < s->nb_bsfs; i++)
- av_bsf_free(&s->bsfs[i]);
- av_freep(&s->bsfs);
- s->nb_bsfs = 0;
-}