#include "libavutil/channel_layout.h"
#include "libavutil/crc.h"
#include "libavutil/frame.h"
+#include "libavutil/hwcontext.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/samplefmt.h"
#include "libavutil/dict.h"
#include "avcodec.h"
-#include "dsputil.h"
+#include "decode.h"
#include "libavutil/opt.h"
+#include "me_cmp.h"
+#include "mpegvideo.h"
#include "thread.h"
#include "internal.h"
#include "bytestream.h"
static void *codec_mutex;
static void *avformat_mutex;
-#if FF_API_FAST_MALLOC && CONFIG_SHARED && HAVE_SYMVER
-FF_SYMVER(void*, av_fast_realloc, (void *ptr, unsigned int *size, size_t min_size), "LIBAVCODEC_55")
-{
- return av_fast_realloc(ptr, size, min_size);
-}
-
-FF_SYMVER(void, av_fast_malloc, (void *ptr, unsigned int *size, size_t min_size), "LIBAVCODEC_55")
-{
- av_fast_malloc(ptr, size, min_size);
-}
-#endif
-
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
{
void **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;
}
- av_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ av_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (*size)
- memset((uint8_t *)*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ memset((uint8_t *)*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
/* encoder management */
return;
initialized = 1;
- if (CONFIG_DSPUTIL)
- ff_dsputil_static_init();
+ if (CONFIG_ME_CMP)
+ ff_me_cmp_init_static();
}
int av_codec_is_encoder(const AVCodec *codec)
{
- return codec && (codec->encode_sub || codec->encode2);
+ return codec && (codec->encode_sub || codec->encode2 ||codec->send_frame);
}
int av_codec_is_decoder(const AVCodec *codec)
{
- return codec && codec->decode;
+ return codec && (codec->decode || codec->receive_frame);
}
av_cold void avcodec_register(AVCodec *codec)
AVCodec **p;
avcodec_init();
p = &first_avcodec;
- while (*p != NULL)
+ while (*p)
p = &(*p)->next;
*p = codec;
codec->next = NULL;
codec->init_static_data(codec);
}
+#if FF_API_EMU_EDGE
unsigned avcodec_get_edge_width(void)
{
return EDGE_WIDTH;
}
+#endif
#if FF_API_SET_DIMENSIONS
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
return ret;
}
-#if HAVE_NEON || ARCH_PPC || HAVE_MMX
+int ff_set_sar(AVCodecContext *avctx, AVRational sar)
+{
+ int ret = av_image_check_sar(avctx->width, avctx->height, sar);
+
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
+ sar.num, sar.den);
+ avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
+ return ret;
+ } else {
+ avctx->sample_aspect_ratio = sar;
+ }
+ return 0;
+}
+
+int ff_side_data_update_matrix_encoding(AVFrame *frame,
+ enum AVMatrixEncoding matrix_encoding)
+{
+ AVFrameSideData *side_data;
+ enum AVMatrixEncoding *data;
+
+ side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_MATRIXENCODING);
+ if (!side_data)
+ side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_MATRIXENCODING,
+ sizeof(enum AVMatrixEncoding));
+
+ if (!side_data)
+ return AVERROR(ENOMEM);
+
+ data = (enum AVMatrixEncoding*)side_data->data;
+ *data = matrix_encoding;
+
+ return 0;
+}
+
+#if HAVE_SIMD_ALIGN_32
+# define STRIDE_ALIGN 32
+#elif HAVE_SIMD_ALIGN_16
# define STRIDE_ALIGN 16
#else
# define STRIDE_ALIGN 8
switch (s->pix_fmt) {
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUYV422:
+ case AV_PIX_FMT_YVYU422:
case AV_PIX_FMT_UYVY422:
case AV_PIX_FMT_YUV422P:
case AV_PIX_FMT_YUV440P:
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_GBRP:
+ case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GRAY8:
case AV_PIX_FMT_GRAY16BE:
case AV_PIX_FMT_GRAY16LE:
case AV_PIX_FMT_YUV422P9BE:
case AV_PIX_FMT_YUV422P10LE:
case AV_PIX_FMT_YUV422P10BE:
+ case AV_PIX_FMT_YUVA422P10LE:
+ case AV_PIX_FMT_YUVA422P10BE:
case AV_PIX_FMT_YUV444P9LE:
case AV_PIX_FMT_YUV444P9BE:
case AV_PIX_FMT_YUV444P10LE:
case AV_PIX_FMT_YUV444P10BE:
+ case AV_PIX_FMT_YUVA444P10LE:
+ case AV_PIX_FMT_YUVA444P10BE:
case AV_PIX_FMT_GBRP9LE:
case AV_PIX_FMT_GBRP9BE:
case AV_PIX_FMT_GBRP10LE:
case AV_PIX_FMT_GBRP10BE:
+ case AV_PIX_FMT_GBRAP12LE:
+ case AV_PIX_FMT_GBRAP12BE:
w_align = 16; //FIXME assume 16 pixel per macroblock
h_align = 16 * 2; // interlaced needs 2 macroblocks height
break;
return ret;
}
-static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
-{
- FramePool *pool = avctx->internal->pool;
- int i, ret;
-
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO: {
- AVPicture picture;
- 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;
-
- avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
-
- if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
- w += EDGE_WIDTH * 2;
- h += EDGE_WIDTH * 2;
- }
-
- 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, 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] % pool->stride_align[i];
- } while (unaligned);
-
- tmpsize = av_image_fill_pointers(picture.data, avctx->pix_fmt, h,
- NULL, picture.linesize);
- if (tmpsize < 0)
- return -1;
-
- for (i = 0; i < 3 && picture.data[i + 1]; i++)
- size[i] = picture.data[i + 1] - picture.data[i];
- size[i] = tmpsize - (picture.data[i] - picture.data[0]);
-
- 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;
-
- 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;
-
- pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
- if (!pool->pools[0]) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
-
- pool->format = frame->format;
- pool->planes = planes;
- pool->channels = ch;
- pool->samples = frame->nb_samples;
- break;
- }
- 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);
- }
- } 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;
- }
-
- 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;
-
- 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\n", pic);
-
- return 0;
-fail:
- av_frame_unref(pic);
- return AVERROR(ENOMEM);
-}
-
-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
-FF_DISABLE_DEPRECATION_WARNINGS
- frame->type = FF_BUFFER_TYPE_INTERNAL;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- return video_get_buffer(avctx, frame);
- case AVMEDIA_TYPE_AUDIO:
- return audio_get_buffer(avctx, frame);
- default:
- return -1;
- }
-}
-
-#if FF_API_GET_BUFFER
-FF_DISABLE_DEPRECATION_WARNINGS
-int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
- return avcodec_default_get_buffer2(avctx, frame, 0);
-}
-
-typedef struct CompatReleaseBufPriv {
- AVCodecContext avctx;
- AVFrame frame;
-} CompatReleaseBufPriv;
-
-static void compat_free_buffer(void *opaque, uint8_t *data)
-{
- CompatReleaseBufPriv *priv = opaque;
- if (priv->avctx.release_buffer)
- priv->avctx.release_buffer(&priv->avctx, &priv->frame);
- av_freep(&priv);
-}
-
-static void compat_release_buffer(void *opaque, uint8_t *data)
-{
- AVBufferRef *buf = opaque;
- av_buffer_unref(&buf);
-}
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
-int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- int ret;
-
- switch (avctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- frame->width = FFMAX(avctx->width, avctx->coded_width);
- frame->height = FFMAX(avctx->height, avctx->coded_height);
- if (frame->format < 0)
- frame->format = avctx->pix_fmt;
- if (!frame->sample_aspect_ratio.num)
- frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
-
- if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
- return ret;
- break;
- case AVMEDIA_TYPE_AUDIO:
- if (!frame->sample_rate)
- frame->sample_rate = avctx->sample_rate;
- if (frame->format < 0)
- frame->format = avctx->sample_fmt;
- if (!frame->channel_layout) {
- if (avctx->channel_layout) {
- if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
- avctx->channels) {
- av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
- "configuration.\n");
- return AVERROR(EINVAL);
- }
-
- frame->channel_layout = avctx->channel_layout;
- } else {
- if (avctx->channels > FF_SANE_NB_CHANNELS) {
- av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
- avctx->channels);
- return AVERROR(ENOSYS);
- }
-
- frame->channel_layout = av_get_default_channel_layout(avctx->channels);
- if (!frame->channel_layout)
- frame->channel_layout = (1ULL << avctx->channels) - 1;
- }
- }
- break;
- default: return AVERROR(EINVAL);
- }
-
- frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
- frame->reordered_opaque = avctx->reordered_opaque;
-
-#if FF_API_GET_BUFFER
-FF_DISABLE_DEPRECATION_WARNINGS
- /*
- * 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 (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;
- }
- priv->avctx = *avctx;
- priv->frame = *frame;
-
- dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);
- if (!dummy_buf) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
-
-#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);
-
- planes = av_pix_fmt_count_planes(frame->format);
- /* workaround for AVHWAccel plane count of 0, buf[0] is used as
- check for allocated buffers: make libavcodec happy */
- if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
- planes = 1;
- if (!desc || planes <= 0) {
- ret = AVERROR(EINVAL);
- goto fail;
- }
-
- for (i = 0; i < planes; i++) {
- int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
- int plane_size = (frame->height >> v_shift) * frame->linesize[i];
-
- 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;
- }
- }
-
- for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
- WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
-
- for (i = 0; i < frame->nb_extended_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);
-
- frame->width = avctx->width;
- frame->height = avctx->height;
-
- return 0;
-
-fail:
- avctx->release_buffer(avctx, frame);
- av_freep(&priv);
- av_buffer_unref(&dummy_buf);
- return ret;
- }
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- ret = avctx->get_buffer2(avctx, frame, flags);
-
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- frame->width = avctx->width;
- frame->height = avctx->height;
- }
-
- return ret;
-}
-
-int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
- AVFrame tmp;
- int ret;
-
- av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
-
- if (!frame->data[0])
- return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
-
- if (av_frame_is_writable(frame))
- return 0;
-
- 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;
- }
-
- 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_frame_unref(pic);
-}
-
-int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
-{
- av_assert0(0);
- return AVERROR_BUG;
-}
-#endif
-
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
{
int i;
return 0;
}
-static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
-{
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
- return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
-}
-
-enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
-{
- while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
- ++fmt;
- return fmt[0];
-}
-
-void avcodec_get_frame_defaults(AVFrame *frame)
-{
- if (frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
-
- memset(frame, 0, sizeof(AVFrame));
-
- frame->pts = AV_NOPTS_VALUE;
- frame->key_frame = 1;
- frame->sample_aspect_ratio = (AVRational) {0, 1 };
- frame->format = -1; /* unknown */
- frame->extended_data = frame->data;
-}
-
-#if FF_API_AVFRAME_LAVC
-AVFrame *avcodec_alloc_frame(void)
-{
- AVFrame *frame = av_mallocz(sizeof(AVFrame));
-
- if (frame == NULL)
- return NULL;
-
- avcodec_get_frame_defaults(frame);
-
- return frame;
-}
-
-void avcodec_free_frame(AVFrame **frame)
-{
- av_frame_free(frame);
-}
-#endif
-
int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
{
int ret = 0;
av_dict_copy(&tmp, *options, 0);
/* If there is a user-supplied mutex locking routine, call it. */
- if (lockmgr_cb) {
- if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
- return -1;
- }
+ if (!(codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE) && codec->init) {
+ if (lockmgr_cb) {
+ if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
- entangled_thread_counter++;
- if (entangled_thread_counter != 1) {
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
- ret = -1;
- goto end;
+ entangled_thread_counter++;
+ if (entangled_thread_counter != 1) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Insufficient thread locking. At least %d threads are "
+ "calling avcodec_open2() at the same time right now.\n",
+ entangled_thread_counter);
+ ret = -1;
+ goto end;
+ }
}
avctx->internal = av_mallocz(sizeof(AVCodecInternal));
goto free_and_end;
}
+ avctx->internal->compat_decode_frame = av_frame_alloc();
+ if (!avctx->internal->compat_decode_frame) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
+ avctx->internal->buffer_frame = av_frame_alloc();
+ if (!avctx->internal->buffer_frame) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
+ avctx->internal->buffer_pkt = av_packet_alloc();
+ if (!avctx->internal->buffer_pkt) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
+ avctx->internal->ds.in_pkt = av_packet_alloc();
+ if (!avctx->internal->ds.in_pkt) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+
+ avctx->internal->last_pkt_props = av_packet_alloc();
+ if (!avctx->internal->last_pkt_props) {
+ 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);
ff_set_dimensions(avctx, 0, 0);
}
+ if (avctx->width > 0 && avctx->height > 0) {
+ if (av_image_check_sar(avctx->width, avctx->height,
+ avctx->sample_aspect_ratio) < 0) {
+ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
+ avctx->sample_aspect_ratio.num,
+ avctx->sample_aspect_ratio.den);
+ avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
+ }
+ }
+
/* if the decoder init function was already called previously,
* free the already allocated subtitle_header before overwriting it */
if (av_codec_is_decoder(codec))
}
avctx->frame_number = 0;
- if (avctx->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
+ if ((avctx->codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) &&
avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
ret = AVERROR_EXPERIMENTAL;
goto free_and_end;
goto free_and_end;
}
}
- if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS))
+ if (!HAVE_THREADS && !(codec->capabilities & AV_CODEC_CAP_AUTO_THREADS))
avctx->thread_count = 1;
if (av_codec_is_encoder(avctx->codec)) {
int i;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ if (avctx->time_base.num <= 0 || avctx->time_base.den <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "The encoder timebase is not set.\n");
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+
if (avctx->codec->sample_fmts) {
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
ret = AVERROR(EINVAL);
goto free_and_end;
}
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
+ avctx->color_range = AVCOL_RANGE_JPEG;
}
if (avctx->codec->supported_samplerates) {
for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
if (avctx->codec->channel_layouts[i] == 0) {
av_log(avctx, AV_LOG_ERROR, "Specified channel_layout is not supported\n");
ret = AVERROR(EINVAL);
- goto free_and_end;
- }
- }
- }
- if (avctx->channel_layout && avctx->channels) {
- if (av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels) {
- av_log(avctx, AV_LOG_ERROR, "channel layout does not match number of channels\n");
- ret = AVERROR(EINVAL);
- goto free_and_end;
- }
- } else if (avctx->channel_layout) {
- avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
- }
-
- if (!avctx->rc_initial_buffer_occupancy)
- avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
- }
-
- if (avctx->codec->init && !(avctx->active_thread_type & FF_THREAD_FRAME)) {
- ret = avctx->codec->init(avctx);
- if (ret < 0) {
- goto free_and_end;
- }
- }
-
- if (av_codec_is_decoder(avctx->codec)) {
- /* validate channel layout from the decoder */
- if (avctx->channel_layout) {
- int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
- if (!avctx->channels)
- avctx->channels = channels;
- else if (channels != avctx->channels) {
- av_log(avctx, AV_LOG_WARNING,
- "channel layout does not match number of channels\n");
- avctx->channel_layout = 0;
- }
- }
- if (avctx->channels && avctx->channels < 0 ||
- avctx->channels > FF_SANE_NB_CHANNELS) {
- ret = AVERROR(EINVAL);
- goto free_and_end;
- }
- }
-end:
- entangled_thread_counter--;
-
- /* Release any user-supplied mutex. */
- if (lockmgr_cb) {
- (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
- }
- if (options) {
- av_dict_free(options);
- *options = tmp;
- }
-
- return ret;
-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;
-}
-
-int ff_alloc_packet(AVPacket *avpkt, int size)
-{
- if (size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
- return AVERROR(EINVAL);
-
- if (avpkt->data) {
- AVBufferRef *buf = avpkt->buf;
-#if FF_API_DESTRUCT_PACKET
-FF_DISABLE_DEPRECATION_WARNINGS
- void *destruct = avpkt->destruct;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- if (avpkt->size < size)
- return AVERROR(EINVAL);
-
- av_init_packet(avpkt);
-#if FF_API_DESTRUCT_PACKET
-FF_DISABLE_DEPRECATION_WARNINGS
- avpkt->destruct = destruct;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- avpkt->buf = buf;
- avpkt->size = size;
- return 0;
- } else {
- return av_new_packet(avpkt, size);
- }
-}
-
-/**
- * Pad last frame with silence.
- */
-static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
-{
- AVFrame *frame = NULL;
- int ret;
-
- if (!(frame = av_frame_alloc()))
- return AVERROR(ENOMEM);
-
- frame->format = src->format;
- frame->channel_layout = src->channel_layout;
- frame->nb_samples = s->frame_size;
- ret = av_frame_get_buffer(frame, 32);
- if (ret < 0)
- goto fail;
-
- ret = av_frame_copy_props(frame, src);
- if (ret < 0)
- goto fail;
-
- if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
- src->nb_samples, s->channels, s->sample_fmt)) < 0)
- goto fail;
- if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
- frame->nb_samples - src->nb_samples,
- s->channels, s->sample_fmt)) < 0)
- goto fail;
-
- *dst = frame;
-
- return 0;
-
-fail:
- av_frame_free(&frame);
- return ret;
-}
-
-int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
-{
- AVFrame tmp;
- AVFrame *padded_frame = NULL;
- int ret;
- int user_packet = !!avpkt->data;
-
- *got_packet_ptr = 0;
-
- if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
- av_free_packet(avpkt);
- av_init_packet(avpkt);
- return 0;
- }
-
- /* ensure that extended_data is properly set */
- if (frame && !frame->extended_data) {
- if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
- avctx->channels > AV_NUM_DATA_POINTERS) {
- av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
- "with more than %d channels, but extended_data is not set.\n",
- AV_NUM_DATA_POINTERS);
- return AVERROR(EINVAL);
- }
- av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
-
- tmp = *frame;
- tmp.extended_data = tmp.data;
- frame = &tmp;
- }
-
- /* check for valid frame size */
- if (frame) {
- if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
- if (frame->nb_samples > avctx->frame_size)
- return AVERROR(EINVAL);
- } else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
- if (frame->nb_samples < avctx->frame_size &&
- !avctx->internal->last_audio_frame) {
- ret = pad_last_frame(avctx, &padded_frame, frame);
- if (ret < 0)
- return ret;
-
- frame = padded_frame;
- avctx->internal->last_audio_frame = 1;
- }
-
- if (frame->nb_samples != avctx->frame_size) {
- ret = AVERROR(EINVAL);
- goto end;
- }
- }
- }
-
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret) {
- if (*got_packet_ptr) {
- if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
- if (avpkt->pts == AV_NOPTS_VALUE)
- avpkt->pts = frame->pts;
- if (!avpkt->duration)
- avpkt->duration = ff_samples_to_time_base(avctx,
- frame->nb_samples);
- }
- avpkt->dts = avpkt->pts;
- } else {
- avpkt->size = 0;
- }
-
- if (!user_packet && avpkt->size) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- avctx->frame_number++;
- }
-
- if (ret < 0 || !*got_packet_ptr) {
- av_free_packet(avpkt);
- av_init_packet(avpkt);
- goto end;
- }
-
- /* NOTE: if we add any audio encoders which output non-keyframe packets,
- * this needs to be moved to the encoders, but for now we can do it
- * here to simplify things */
- avpkt->flags |= AV_PKT_FLAG_KEY;
-
-end:
- av_frame_free(&padded_frame);
-
- return ret;
-}
-
-int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
-{
- int ret;
- int user_packet = !!avpkt->data;
-
- *got_packet_ptr = 0;
-
- if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
- av_free_packet(avpkt);
- av_init_packet(avpkt);
- avpkt->size = 0;
- return 0;
- }
-
- if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
- return AVERROR(EINVAL);
-
- av_assert0(avctx->codec->encode2);
-
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret) {
- if (!*got_packet_ptr)
- avpkt->size = 0;
- else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
- avpkt->pts = avpkt->dts = frame->pts;
-
- if (!user_packet && avpkt->size) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- avctx->frame_number++;
- }
-
- if (ret < 0 || !*got_packet_ptr)
- av_free_packet(avpkt);
-
- emms_c();
- return ret;
-}
-
-int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const AVSubtitle *sub)
-{
- int ret;
- if (sub->start_display_time) {
- av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
- return -1;
- }
- if (sub->num_rects == 0 || !sub->rects)
- return -1;
- ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
- avctx->frame_number++;
- return ret;
-}
-
-static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
-{
- int size = 0, ret;
- const uint8_t *data;
- uint32_t flags;
-
- data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
- if (!data)
- return 0;
-
- if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE)) {
- av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
- "changes, but PARAM_CHANGE side data was sent to it.\n");
- return AVERROR(EINVAL);
- }
-
- if (size < 4)
- goto fail;
-
- flags = bytestream_get_le32(&data);
- size -= 4;
-
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
- if (size < 4)
- goto fail;
- avctx->channels = bytestream_get_le32(&data);
- size -= 4;
- }
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
- if (size < 8)
- goto fail;
- avctx->channel_layout = bytestream_get_le64(&data);
- size -= 8;
- }
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
- if (size < 4)
- goto fail;
- avctx->sample_rate = bytestream_get_le32(&data);
- size -= 4;
- }
- if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
- if (size < 8)
- goto fail;
- avctx->width = bytestream_get_le32(&data);
- avctx->height = bytestream_get_le32(&data);
- size -= 8;
- ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
- if (ret < 0)
- return ret;
- }
-
- return 0;
-fail:
- av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
- return AVERROR_INVALIDDATA;
-}
-
-static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
-{
- int ret;
-
- /* move the original frame to our backup */
- av_frame_unref(avci->to_free);
- av_frame_move_ref(avci->to_free, frame);
-
- /* now copy everything except the AVBufferRefs back
- * note that we make a COPY of the side data, so calling av_frame_free() on
- * the caller's frame will work properly */
- ret = av_frame_copy_props(frame, avci->to_free);
- if (ret < 0)
- return ret;
-
- memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
- memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
- if (avci->to_free->extended_data != avci->to_free->data) {
- int planes = av_get_channel_layout_nb_channels(avci->to_free->channel_layout);
- int size = planes * sizeof(*frame->extended_data);
-
- if (!size) {
- av_frame_unref(frame);
- return AVERROR_BUG;
+ goto free_and_end;
+ }
+ }
}
-
- frame->extended_data = av_malloc(size);
- if (!frame->extended_data) {
- av_frame_unref(frame);
- return AVERROR(ENOMEM);
+ if (avctx->channel_layout && avctx->channels) {
+ if (av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels) {
+ av_log(avctx, AV_LOG_ERROR, "channel layout does not match number of channels\n");
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+ } else if (avctx->channel_layout) {
+ avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
}
- memcpy(frame->extended_data, avci->to_free->extended_data,
- size);
- } else
- frame->extended_data = frame->data;
-
- frame->format = avci->to_free->format;
- frame->width = avci->to_free->width;
- frame->height = avci->to_free->height;
- frame->channel_layout = avci->to_free->channel_layout;
- frame->nb_samples = avci->to_free->nb_samples;
-
- return 0;
-}
-int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
- int *got_picture_ptr,
- AVPacket *avpkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret;
+ if (!avctx->rc_initial_buffer_occupancy)
+ avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
- *got_picture_ptr = 0;
- if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
- return -1;
+ if (avctx->ticks_per_frame &&
+ avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
+ av_log(avctx, AV_LOG_ERROR,
+ "ticks_per_frame %d too large for the timebase %d/%d.",
+ avctx->ticks_per_frame,
+ avctx->time_base.num,
+ avctx->time_base.den);
+ goto free_and_end;
+ }
- avctx->internal->pkt = avpkt;
- ret = apply_param_change(avctx, avpkt);
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
- if (avctx->err_recognition & AV_EF_EXPLODE)
- return ret;
+ if (avctx->hw_frames_ctx) {
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ if (frames_ctx->format != avctx->pix_fmt) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+ if (avctx->sw_pix_fmt != AV_PIX_FMT_NONE &&
+ avctx->sw_pix_fmt != frames_ctx->sw_format) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Mismatching AVCodecContext.sw_pix_fmt (%s) "
+ "and AVHWFramesContext.sw_format (%s)\n",
+ av_get_pix_fmt_name(avctx->sw_pix_fmt),
+ av_get_pix_fmt_name(frames_ctx->sw_format));
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+ avctx->sw_pix_fmt = frames_ctx->sw_format;
+ }
}
- avcodec_get_frame_defaults(picture);
-
- if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
- avpkt);
- else {
- ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- avpkt);
- picture->pkt_dts = avpkt->dts;
- /* get_buffer is supposed to set frame parameters */
- if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
- picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
- picture->width = avctx->width;
- picture->height = avctx->height;
- picture->format = avctx->pix_fmt;
- }
+ if (avctx->codec->init && !(avctx->active_thread_type & FF_THREAD_FRAME)) {
+ ret = avctx->codec->init(avctx);
+ if (ret < 0) {
+ goto free_and_end;
}
+ }
- emms_c(); //needed to avoid an emms_c() call before every return;
+#if FF_API_AUDIOENC_DELAY
+ if (av_codec_is_encoder(avctx->codec))
+ avctx->delay = avctx->initial_padding;
+#endif
- if (*got_picture_ptr) {
- if (!avctx->refcounted_frames) {
- int err = unrefcount_frame(avci, picture);
- if (err < 0)
- return err;
+ if (av_codec_is_decoder(avctx->codec)) {
+ /* validate channel layout from the decoder */
+ if (avctx->channel_layout) {
+ int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
+ if (!avctx->channels)
+ avctx->channels = channels;
+ else if (channels != avctx->channels) {
+ av_log(avctx, AV_LOG_WARNING,
+ "channel layout does not match number of channels\n");
+ avctx->channel_layout = 0;
}
+ }
+ if (avctx->channels && avctx->channels < 0 ||
+ avctx->channels > FF_SANE_NB_CHANNELS) {
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
- avctx->frame_number++;
- } else
- av_frame_unref(picture);
- } else
- ret = 0;
-
- return ret;
-}
-
-int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
- AVFrame *frame,
- int *got_frame_ptr,
- AVPacket *avpkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret = 0;
-
- *got_frame_ptr = 0;
-
- avctx->internal->pkt = avpkt;
-
- if (!avpkt->data && avpkt->size) {
- av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
- return AVERROR(EINVAL);
+#if FF_API_AVCTX_TIMEBASE
+ if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
+ avctx->time_base = av_inv_q(avctx->framerate);
+#endif
}
+end:
+ if (!(codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE) && codec->init) {
+ entangled_thread_counter--;
- ret = apply_param_change(avctx, avpkt);
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
- if (avctx->err_recognition & AV_EF_EXPLODE)
- return ret;
+ /* Release any user-supplied mutex. */
+ if (lockmgr_cb) {
+ (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
+ }
}
- avcodec_get_frame_defaults(frame);
+ if (options) {
+ av_dict_free(options);
+ *options = tmp;
+ }
- if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
- ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt);
- if (ret >= 0 && *got_frame_ptr) {
- avctx->frame_number++;
- frame->pkt_dts = avpkt->dts;
- if (frame->format == AV_SAMPLE_FMT_NONE)
- frame->format = avctx->sample_fmt;
+ return ret;
+free_and_end:
+ if (avctx->codec &&
+ (avctx->codec->caps_internal & FF_CODEC_CAP_INIT_CLEANUP))
+ avctx->codec->close(avctx);
- if (!avctx->refcounted_frames) {
- int err = unrefcount_frame(avci, frame);
- if (err < 0)
- return err;
- }
- } else
- av_frame_unref(frame);
- }
+ if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
+ av_opt_free(avctx->priv_data);
+ av_opt_free(avctx);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ av_frame_free(&avctx->coded_frame);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
- return ret;
-}
+ av_dict_free(&tmp);
+ av_freep(&avctx->priv_data);
+ if (avctx->internal) {
+ av_frame_free(&avctx->internal->to_free);
+ av_frame_free(&avctx->internal->compat_decode_frame);
+ av_frame_free(&avctx->internal->buffer_frame);
+ av_packet_free(&avctx->internal->buffer_pkt);
+ av_packet_free(&avctx->internal->last_pkt_props);
-int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
- int *got_sub_ptr,
- AVPacket *avpkt)
-{
- int ret;
+ av_packet_free(&avctx->internal->ds.in_pkt);
- avctx->internal->pkt = avpkt;
- *got_sub_ptr = 0;
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
- if (*got_sub_ptr)
- avctx->frame_number++;
- return ret;
+ av_freep(&avctx->internal->pool);
+ }
+ av_freep(&avctx->internal);
+ avctx->codec = NULL;
+ goto end;
}
void avsubtitle_free(AVSubtitle *sub)
int i;
for (i = 0; i < sub->num_rects; i++) {
- av_freep(&sub->rects[i]->pict.data[0]);
- av_freep(&sub->rects[i]->pict.data[1]);
- av_freep(&sub->rects[i]->pict.data[2]);
- av_freep(&sub->rects[i]->pict.data[3]);
+ av_freep(&sub->rects[i]->data[0]);
+ av_freep(&sub->rects[i]->data[1]);
+ av_freep(&sub->rects[i]->data[2]);
+ av_freep(&sub->rects[i]->data[3]);
av_freep(&sub->rects[i]->text);
av_freep(&sub->rects[i]->ass);
av_freep(&sub->rects[i]);
av_cold int avcodec_close(AVCodecContext *avctx)
{
- /* If there is a user-supplied mutex locking routine, call it. */
- if (lockmgr_cb) {
- if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
- return -1;
- }
-
- entangled_thread_counter++;
- if (entangled_thread_counter != 1) {
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
- entangled_thread_counter--;
- return -1;
- }
+ int i;
if (avcodec_is_open(avctx)) {
FramePool *pool = avctx->internal->pool;
- int i;
+
if (HAVE_THREADS && avctx->internal->thread_ctx)
ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
- avctx->coded_frame = NULL;
av_frame_free(&avctx->internal->to_free);
+ av_frame_free(&avctx->internal->compat_decode_frame);
+ av_frame_free(&avctx->internal->buffer_frame);
+ av_packet_free(&avctx->internal->buffer_pkt);
+ av_packet_free(&avctx->internal->last_pkt_props);
+
+ av_packet_free(&avctx->internal->ds.in_pkt);
+
for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
av_buffer_pool_uninit(&pool->pools[i]);
av_freep(&avctx->internal->pool);
+
+ if (avctx->hwaccel && avctx->hwaccel->uninit)
+ avctx->hwaccel->uninit(avctx);
+ av_freep(&avctx->internal->hwaccel_priv_data);
+
+ ff_decode_bsfs_uninit(avctx);
+
av_freep(&avctx->internal);
}
+ for (i = 0; i < avctx->nb_coded_side_data; i++)
+ av_freep(&avctx->coded_side_data[i].data);
+ av_freep(&avctx->coded_side_data);
+ avctx->nb_coded_side_data = 0;
+
+ av_buffer_unref(&avctx->hw_frames_ctx);
+
if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
- if (av_codec_is_encoder(avctx->codec))
+ if (av_codec_is_encoder(avctx->codec)) {
av_freep(&avctx->extradata);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ av_frame_free(&avctx->coded_frame);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ }
avctx->codec = NULL;
avctx->active_thread_type = 0;
- entangled_thread_counter--;
- /* Release any user-supplied mutex. */
- if (lockmgr_cb) {
- (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
- }
return 0;
}
while (p) {
if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
p->id == id) {
- if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
+ if (p->capabilities & AV_CODEC_CAP_EXPERIMENTAL && !experimental) {
experimental = p;
} else
return p;
{
const char *codec_name;
const char *profile = NULL;
- const AVCodec *p;
char buf1[32];
int bitrate;
+ int new_line = 0;
AVRational display_aspect_ratio;
+ const AVCodecDescriptor *desc = avcodec_descriptor_get(enc->codec_id);
- if (enc->codec)
- p = enc->codec;
- else if (encode)
- p = avcodec_find_encoder(enc->codec_id);
- else
- p = avcodec_find_decoder(enc->codec_id);
-
- if (p) {
- codec_name = p->name;
- profile = av_get_profile_name(p, enc->profile);
+ if (desc) {
+ codec_name = desc->name;
+ profile = avcodec_profile_name(enc->codec_id, enc->profile);
} else if (enc->codec_id == AV_CODEC_ID_MPEG2TS) {
/* fake mpeg2 transport stream codec (currently not
* registered) */
codec_name = "mpeg2ts";
- } else if (enc->codec_name[0] != '\0') {
- codec_name = enc->codec_name;
} else {
/* output avi tags */
char tag_buf[32];
if (profile)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" (%s)", profile);
- if (enc->pix_fmt != AV_PIX_FMT_NONE) {
+ if (enc->codec_tag) {
+ char tag_buf[32];
+ av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %s",
+ " [%s / 0x%04X]", tag_buf, enc->codec_tag);
+ }
+
+ av_strlcat(buf, "\n ", buf_size);
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
av_get_pix_fmt_name(enc->pix_fmt));
+
+ if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s",
+ av_color_range_name(enc->color_range));
+ if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
+ enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
+ enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
+ new_line = 1;
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s/%s/%s",
+ av_color_space_name(enc->colorspace),
+ av_color_primaries_name(enc->color_primaries),
+ av_color_transfer_name(enc->color_trc));
}
+ if (av_log_get_level() >= AV_LOG_DEBUG &&
+ enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s",
+ av_chroma_location_name(enc->chroma_sample_location));
+
if (enc->width) {
+ av_strlcat(buf, new_line ? "\n " : ", ", buf_size);
+
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %dx%d",
+ "%dx%d",
enc->width, enc->height);
+
+ if (av_log_get_level() >= AV_LOG_VERBOSE &&
+ (enc->width != enc->coded_width ||
+ enc->height != enc->coded_height))
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ " (%dx%d)", enc->coded_width, enc->coded_height);
+
if (enc->sample_aspect_ratio.num) {
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
enc->width * enc->sample_aspect_ratio.num,
if (profile)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" (%s)", profile);
+ if (enc->codec_tag) {
+ char tag_buf[32];
+ av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ " [%s / 0x%04X]", tag_buf, enc->codec_tag);
+ }
+
+ av_strlcat(buf, "\n ", buf_size);
if (enc->sample_rate) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d Hz", enc->sample_rate);
+ "%d Hz, ", enc->sample_rate);
}
- av_strlcat(buf, ", ", buf_size);
av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
return;
}
if (encode) {
- if (enc->flags & CODEC_FLAG_PASS1)
+ if (enc->flags & AV_CODEC_FLAG_PASS1)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", pass 1");
- if (enc->flags & CODEC_FLAG_PASS2)
+ if (enc->flags & AV_CODEC_FLAG_PASS2)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", pass 2");
}
return NULL;
}
+const char *avcodec_profile_name(enum AVCodecID codec_id, int profile)
+{
+ const AVCodecDescriptor *desc = avcodec_descriptor_get(codec_id);
+ const AVProfile *p;
+
+ if (profile == FF_PROFILE_UNKNOWN || !desc || !desc->profiles)
+ return NULL;
+
+ for (p = desc->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
+ if (p->profile == profile)
+ return p->name;
+
+ return NULL;
+}
+
unsigned avcodec_version(void)
{
return LIBAVCODEC_VERSION_INT;
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-void avcodec_flush_buffers(AVCodecContext *avctx)
-{
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ff_thread_flush(avctx);
- else if (avctx->codec->flush)
- avctx->codec->flush(avctx);
-
- if (!avctx->refcounted_frames)
- av_frame_unref(avctx->internal->to_free);
-}
-
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
{
switch (codec_id) {
case AV_CODEC_ID_PCM_ZORK:
return 8;
case AV_CODEC_ID_PCM_S16BE:
+ case AV_CODEC_ID_PCM_S16BE_PLANAR:
case AV_CODEC_ID_PCM_S16LE:
case AV_CODEC_ID_PCM_S16LE_PLANAR:
case AV_CODEC_ID_PCM_U16BE:
}
}
-int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
+static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
+ uint32_t tag, int bits_per_coded_sample, int frame_bytes)
{
- int id, sr, ch, ba, tag, bps;
-
- id = avctx->codec_id;
- sr = avctx->sample_rate;
- ch = avctx->channels;
- ba = avctx->block_align;
- tag = avctx->codec_tag;
- bps = av_get_exact_bits_per_sample(avctx->codec_id);
+ int bps = av_get_exact_bits_per_sample(id);
/* codecs with an exact constant bits per sample */
if (bps > 0 && ch > 0 && frame_bytes > 0)
return (frame_bytes * 8) / (bps * ch);
- bps = avctx->bits_per_coded_sample;
+ bps = bits_per_coded_sample;
/* codecs with a fixed packet duration */
switch (id) {
if (id == AV_CODEC_ID_BINKAUDIO_DCT)
return (480 << (sr / 22050)) / ch;
}
+
+ if (id == AV_CODEC_ID_MP3)
+ return sr <= 24000 ? 576 : 1152;
}
if (ba > 0) {
if (ba > 0) {
/* calc from frame_bytes, channels, and block_align */
int blocks = frame_bytes / ba;
- switch (avctx->codec_id) {
+ switch (id) {
case AV_CODEC_ID_ADPCM_IMA_WAV:
return blocks * (1 + (ba - 4 * ch) / (4 * ch) * 8);
case AV_CODEC_ID_ADPCM_IMA_DK3:
if (bps > 0) {
/* calc from frame_bytes, channels, and bits_per_coded_sample */
- switch (avctx->codec_id) {
+ switch (id) {
case AV_CODEC_ID_PCM_DVD:
return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
case AV_CODEC_ID_PCM_BLURAY:
return 0;
}
+int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
+{
+ return get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
+ avctx->channels, avctx->block_align,
+ avctx->codec_tag, avctx->bits_per_coded_sample,
+ frame_bytes);
+}
+
+int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes)
+{
+ return get_audio_frame_duration(par->codec_id, par->sample_rate,
+ par->channels, par->block_align,
+ par->codec_tag, par->bits_per_coded_sample,
+ frame_bytes);
+}
+
#if !HAVE_THREADS
int ff_thread_init(AVCodecContext *s)
{
hwaccel->next = NULL;
}
-AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
+AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
{
return hwaccel ? hwaccel->next : first_hwaccel;
}
-AVHWAccel *ff_find_hwaccel(AVCodecContext *avctx)
-{
- enum AVCodecID codec_id = avctx->codec->id;
- enum AVPixelFormat pix_fmt = avctx->pix_fmt;
-
- AVHWAccel *hwaccel = NULL;
-
- while ((hwaccel = av_hwaccel_next(hwaccel)))
- if (hwaccel->id == codec_id
- && hwaccel->pix_fmt == pix_fmt)
- return hwaccel;
- return NULL;
-}
-
int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
{
if (lockmgr_cb) {
- if (lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
- return -1;
- if (lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
- return -1;
+ // There is no good way to rollback a failure to destroy the
+ // mutex, so we ignore failures.
+ lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY);
+ lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY);
+ lockmgr_cb = NULL;
+ codec_mutex = NULL;
+ avformat_mutex = NULL;
+ }
+
+ if (cb) {
+ void *new_codec_mutex = NULL;
+ void *new_avformat_mutex = NULL;
+ int err;
+ if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) {
+ return err > 0 ? AVERROR_UNKNOWN : err;
+ }
+ if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) {
+ // Ignore failures to destroy the newly created mutex.
+ cb(&new_codec_mutex, AV_LOCK_DESTROY);
+ return err > 0 ? AVERROR_UNKNOWN : err;
+ }
+ lockmgr_cb = cb;
+ codec_mutex = new_codec_mutex;
+ avformat_mutex = new_avformat_mutex;
}
- lockmgr_cb = cb;
-
- if (lockmgr_cb) {
- if (lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
- return -1;
- if (lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
- return -1;
- }
return 0;
}
void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
{
- av_frame_unref(f->f);
+ if (f->f)
+ av_frame_unref(f->f);
}
void ff_thread_finish_setup(AVCodecContext *avctx)
#endif
-enum AVMediaType avcodec_get_type(enum AVCodecID codec_id)
-{
- if (codec_id <= AV_CODEC_ID_NONE)
- return AVMEDIA_TYPE_UNKNOWN;
- else if (codec_id < AV_CODEC_ID_FIRST_AUDIO)
- return AVMEDIA_TYPE_VIDEO;
- else if (codec_id < AV_CODEC_ID_FIRST_SUBTITLE)
- return AVMEDIA_TYPE_AUDIO;
- else if (codec_id < AV_CODEC_ID_FIRST_UNKNOWN)
- return AVMEDIA_TYPE_SUBTITLE;
-
- return AVMEDIA_TYPE_UNKNOWN;
-}
-
int avcodec_is_open(AVCodecContext *s)
{
return !!s->internal;
return p + 4;
}
+
+AVCPBProperties *av_cpb_properties_alloc(size_t *size)
+{
+ AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
+ if (!props)
+ return NULL;
+
+ if (size)
+ *size = sizeof(*props);
+
+ props->vbv_delay = UINT64_MAX;
+
+ return props;
+}
+
+AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
+{
+ AVPacketSideData *tmp;
+ AVCPBProperties *props;
+ size_t size;
+
+ props = av_cpb_properties_alloc(&size);
+ if (!props)
+ return NULL;
+
+ tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
+ if (!tmp) {
+ av_freep(&props);
+ return NULL;
+ }
+
+ avctx->coded_side_data = tmp;
+ avctx->nb_coded_side_data++;
+
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
+
+ return props;
+}
+
+static void codec_parameters_reset(AVCodecParameters *par)
+{
+ av_freep(&par->extradata);
+
+ memset(par, 0, sizeof(*par));
+
+ par->codec_type = AVMEDIA_TYPE_UNKNOWN;
+ par->codec_id = AV_CODEC_ID_NONE;
+ par->format = -1;
+ par->field_order = AV_FIELD_UNKNOWN;
+ par->color_range = AVCOL_RANGE_UNSPECIFIED;
+ par->color_primaries = AVCOL_PRI_UNSPECIFIED;
+ par->color_trc = AVCOL_TRC_UNSPECIFIED;
+ par->color_space = AVCOL_SPC_UNSPECIFIED;
+ par->chroma_location = AVCHROMA_LOC_UNSPECIFIED;
+ par->sample_aspect_ratio = (AVRational){ 0, 1 };
+}
+
+AVCodecParameters *avcodec_parameters_alloc(void)
+{
+ AVCodecParameters *par = av_mallocz(sizeof(*par));
+
+ if (!par)
+ return NULL;
+ codec_parameters_reset(par);
+ return par;
+}
+
+void avcodec_parameters_free(AVCodecParameters **ppar)
+{
+ AVCodecParameters *par = *ppar;
+
+ if (!par)
+ return;
+ codec_parameters_reset(par);
+
+ av_freep(ppar);
+}
+
+int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
+{
+ codec_parameters_reset(dst);
+ memcpy(dst, src, sizeof(*dst));
+
+ dst->extradata = NULL;
+ dst->extradata_size = 0;
+ if (src->extradata) {
+ dst->extradata = av_mallocz(src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!dst->extradata)
+ return AVERROR(ENOMEM);
+ memcpy(dst->extradata, src->extradata, src->extradata_size);
+ dst->extradata_size = src->extradata_size;
+ }
+
+ return 0;
+}
+
+int avcodec_parameters_from_context(AVCodecParameters *par,
+ const AVCodecContext *codec)
+{
+ codec_parameters_reset(par);
+
+ par->codec_type = codec->codec_type;
+ par->codec_id = codec->codec_id;
+ par->codec_tag = codec->codec_tag;
+
+ par->bit_rate = codec->bit_rate;
+ par->bits_per_coded_sample = codec->bits_per_coded_sample;
+ par->profile = codec->profile;
+ par->level = codec->level;
+
+ switch (par->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ par->format = codec->pix_fmt;
+ par->width = codec->width;
+ par->height = codec->height;
+ par->field_order = codec->field_order;
+ par->color_range = codec->color_range;
+ par->color_primaries = codec->color_primaries;
+ par->color_trc = codec->color_trc;
+ par->color_space = codec->colorspace;
+ par->chroma_location = codec->chroma_sample_location;
+ par->sample_aspect_ratio = codec->sample_aspect_ratio;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ par->format = codec->sample_fmt;
+ par->channel_layout = codec->channel_layout;
+ par->channels = codec->channels;
+ par->sample_rate = codec->sample_rate;
+ par->block_align = codec->block_align;
+ par->initial_padding = codec->initial_padding;
+ break;
+ }
+
+ if (codec->extradata) {
+ par->extradata = av_mallocz(codec->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!par->extradata)
+ return AVERROR(ENOMEM);
+ memcpy(par->extradata, codec->extradata, codec->extradata_size);
+ par->extradata_size = codec->extradata_size;
+ }
+
+ return 0;
+}
+
+int avcodec_parameters_to_context(AVCodecContext *codec,
+ const AVCodecParameters *par)
+{
+ codec->codec_type = par->codec_type;
+ codec->codec_id = par->codec_id;
+ codec->codec_tag = par->codec_tag;
+
+ codec->bit_rate = par->bit_rate;
+ codec->bits_per_coded_sample = par->bits_per_coded_sample;
+ codec->profile = par->profile;
+ codec->level = par->level;
+
+ switch (par->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ codec->pix_fmt = par->format;
+ codec->width = par->width;
+ codec->height = par->height;
+ codec->field_order = par->field_order;
+ codec->color_range = par->color_range;
+ codec->color_primaries = par->color_primaries;
+ codec->color_trc = par->color_trc;
+ codec->colorspace = par->color_space;
+ codec->chroma_sample_location = par->chroma_location;
+ codec->sample_aspect_ratio = par->sample_aspect_ratio;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ codec->sample_fmt = par->format;
+ codec->channel_layout = par->channel_layout;
+ codec->channels = par->channels;
+ codec->sample_rate = par->sample_rate;
+ codec->block_align = par->block_align;
+ codec->initial_padding = par->initial_padding;
+ break;
+ }
+
+ if (par->extradata) {
+ av_freep(&codec->extradata);
+ codec->extradata = av_mallocz(par->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!codec->extradata)
+ return AVERROR(ENOMEM);
+ memcpy(codec->extradata, par->extradata, par->extradata_size);
+ codec->extradata_size = par->extradata_size;
+ }
+
+ return 0;
+}