#include "libavutil/dict.h"
#include "libavutil/thread.h"
#include "avcodec.h"
+#include "decode.h"
#include "libavutil/opt.h"
#include "me_cmp.h"
#include "mpegvideo.h"
int av_codec_is_decoder(const AVCodec *codec)
{
- return codec && (codec->decode || codec->send_packet);
+ return codec && (codec->decode || codec->receive_frame);
}
av_cold void avcodec_register(AVCodec *codec)
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: {
- 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;
-
- avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
-
- 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
- ret = av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
- if (ret < 0)
- return ret;
- // 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 |= linesize[i] % pool->stride_align[i];
- } while (unaligned);
-
- tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
- NULL, linesize);
- if (tmpsize < 0)
- return -1;
-
- 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++) {
- av_buffer_pool_uninit(&pool->pools[i]);
- pool->linesize[i] = linesize[i];
- if (size[i]) {
- pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
- CONFIG_MEMORY_POISONING ?
- NULL :
- av_buffer_allocz);
- 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_frame_get_channels(frame); //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_array(planes, sizeof(*frame->extended_data));
- frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
- frame->extended_buf = av_mallocz_array(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;
- av_assert0(frame->nb_extended_buf == 0);
- }
-
- 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 i;
-
- if (pic->data[0] || pic->data[1] || pic->data[2] || pic->data[3]) {
- av_log(s, AV_LOG_ERROR, "pic->data[*]!=NULL in avcodec_default_get_buffer\n");
- return -1;
- }
-
- if (!desc) {
- av_log(s, AV_LOG_ERROR,
- "Unable to get pixel format descriptor for format %s\n",
- av_get_pix_fmt_name(pic->format));
- return AVERROR(EINVAL);
- }
-
- memset(pic->data, 0, sizeof(pic->data));
- pic->extended_data = pic->data;
-
- for (i = 0; i < 4 && pool->pools[i]; i++) {
- pic->linesize[i] = pool->linesize[i];
-
- pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
- if (!pic->buf[i])
- goto fail;
-
- pic->data[i] = pic->buf[i]->data;
- }
- for (; i < AV_NUM_DATA_POINTERS; i++) {
- pic->data[i] = NULL;
- pic->linesize[i] = 0;
- }
- if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
- desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
- avpriv_set_systematic_pal2((uint32_t *)pic->data[1], pic->format);
-
- 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);
-}
-
void ff_color_frame(AVFrame *frame, const int c[4])
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
}
}
-int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- int ret;
-
- if (avctx->hw_frames_ctx)
- return av_hwframe_get_buffer(avctx->hw_frames_ctx, frame, 0);
-
- if ((ret = update_frame_pool(avctx, frame)) < 0)
- return ret;
-
- 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;
- }
-}
-
-static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame)
-{
- int size;
- const uint8_t *side_metadata;
-
- AVDictionary **frame_md = avpriv_frame_get_metadatap(frame);
-
- side_metadata = av_packet_get_side_data(avpkt,
- AV_PKT_DATA_STRINGS_METADATA, &size);
- return av_packet_unpack_dictionary(side_metadata, size, frame_md);
-}
-
-int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
-{
- const AVPacket *pkt = avctx->internal->pkt;
- int i;
- static const struct {
- enum AVPacketSideDataType packet;
- enum AVFrameSideDataType frame;
- } sd[] = {
- { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
- { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
- { AV_PKT_DATA_SPHERICAL, AV_FRAME_DATA_SPHERICAL },
- { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
- { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
- { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
- { AV_PKT_DATA_CONTENT_LIGHT_LEVEL, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL },
- };
-
- if (pkt) {
- frame->pts = pkt->pts;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
- frame->pkt_pts = pkt->pts;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- av_frame_set_pkt_pos (frame, pkt->pos);
- av_frame_set_pkt_duration(frame, pkt->duration);
- av_frame_set_pkt_size (frame, pkt->size);
-
- for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
- int size;
- uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
- if (packet_sd) {
- AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
- sd[i].frame,
- size);
- if (!frame_sd)
- return AVERROR(ENOMEM);
-
- memcpy(frame_sd->data, packet_sd, size);
- }
- }
- add_metadata_from_side_data(pkt, frame);
-
- if (pkt->flags & AV_PKT_FLAG_DISCARD) {
- frame->flags |= AV_FRAME_FLAG_DISCARD;
- } else {
- frame->flags = (frame->flags & ~AV_FRAME_FLAG_DISCARD);
- }
- } else {
- frame->pts = AV_NOPTS_VALUE;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
- frame->pkt_pts = AV_NOPTS_VALUE;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- av_frame_set_pkt_pos (frame, -1);
- av_frame_set_pkt_duration(frame, 0);
- av_frame_set_pkt_size (frame, -1);
- }
- frame->reordered_opaque = avctx->reordered_opaque;
-
- if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
- frame->color_primaries = avctx->color_primaries;
- if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
- frame->color_trc = avctx->color_trc;
- if (av_frame_get_colorspace(frame) == AVCOL_SPC_UNSPECIFIED)
- av_frame_set_colorspace(frame, avctx->colorspace);
- if (av_frame_get_color_range(frame) == AVCOL_RANGE_UNSPECIFIED)
- av_frame_set_color_range(frame, avctx->color_range);
- if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
- frame->chroma_location = avctx->chroma_sample_location;
-
- switch (avctx->codec->type) {
- case AVMEDIA_TYPE_VIDEO:
- frame->format = avctx->pix_fmt;
- if (!frame->sample_aspect_ratio.num)
- frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
-
- if (frame->width && frame->height &&
- av_image_check_sar(frame->width, frame->height,
- frame->sample_aspect_ratio) < 0) {
- av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
- frame->sample_aspect_ratio.num,
- frame->sample_aspect_ratio.den);
- frame->sample_aspect_ratio = (AVRational){ 0, 1 };
- }
-
- 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);
- }
- }
- }
- av_frame_set_channels(frame, avctx->channels);
- break;
- }
- return 0;
-}
-
-int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
-{
- return ff_init_buffer_info(avctx, frame);
-}
-
-static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
-{
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- int i;
- int num_planes = av_pix_fmt_count_planes(frame->format);
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
- int flags = desc ? desc->flags : 0;
- if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
- num_planes = 2;
- for (i = 0; i < num_planes; i++) {
- av_assert0(frame->data[i]);
- }
- // For now do not enforce anything for palette of pseudopal formats
- if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PSEUDOPAL))
- num_planes = 2;
- // For formats without data like hwaccel allow unused pointers to be non-NULL.
- for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
- if (frame->data[i])
- av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
- frame->data[i] = NULL;
- }
- }
-}
-
-static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- const AVHWAccel *hwaccel = avctx->hwaccel;
- int override_dimensions = 1;
- int ret;
-
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- if ((ret = av_image_check_size2(avctx->width, 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);
- }
-
- if (frame->width <= 0 || frame->height <= 0) {
- frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres));
- frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
- override_dimensions = 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 = ff_decode_frame_props(avctx, frame);
- if (ret < 0)
- return ret;
-
- if (hwaccel) {
- if (hwaccel->alloc_frame) {
- ret = hwaccel->alloc_frame(avctx, frame);
- goto end;
- }
- } else
- avctx->sw_pix_fmt = avctx->pix_fmt;
-
- ret = avctx->get_buffer2(avctx, frame, flags);
- if (ret >= 0)
- validate_avframe_allocation(avctx, frame);
-
-end:
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
- frame->width = avctx->width;
- frame->height = avctx->height;
- }
-
- return ret;
-}
-
-int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
- int ret = get_buffer_internal(avctx, frame, flags);
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- frame->width = frame->height = 0;
- }
- return ret;
-}
-
-static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
-{
- AVFrame *tmp;
- int ret;
-
- av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
-
- 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);
- }
-
- ff_init_buffer_info(avctx, frame);
-
- if (!frame->data[0])
- return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
-
- if (av_frame_is_writable(frame))
- return ff_decode_frame_props(avctx, frame);
-
- tmp = av_frame_alloc();
- if (!tmp)
- return AVERROR(ENOMEM);
-
- av_frame_move_ref(tmp, frame);
-
- ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
- if (ret < 0) {
- av_frame_free(&tmp);
- return ret;
- }
-
- av_frame_copy(frame, tmp);
- av_frame_free(&tmp);
-
- return 0;
-}
-
-int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
- int ret = reget_buffer_internal(avctx, frame);
- if (ret < 0)
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return ret;
-}
-
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
{
int i;
return AV_PIX_FMT_NONE;
}
-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];
-}
-
-static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
- enum AVPixelFormat 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;
-}
-
-static int setup_hwaccel(AVCodecContext *avctx,
- const enum AVPixelFormat fmt,
- const char *name)
-{
- AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
- int ret = 0;
-
- if (!hwa) {
- av_log(avctx, AV_LOG_ERROR,
- "Could not find an AVHWAccel for the pixel format: %s",
- name);
- return AVERROR(ENOENT);
- }
-
- if (hwa->capabilities & HWACCEL_CODEC_CAP_EXPERIMENTAL &&
- avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
- av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
- hwa->name);
- return AVERROR_PATCHWELCOME;
- }
-
- if (hwa->priv_data_size) {
- avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
- if (!avctx->internal->hwaccel_priv_data)
- return AVERROR(ENOMEM);
- }
-
- if (hwa->init) {
- ret = hwa->init(avctx);
- if (ret < 0) {
- av_freep(&avctx->internal->hwaccel_priv_data);
- return ret;
- }
- }
-
- avctx->hwaccel = hwa;
-
- return 0;
-}
-
-int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
-{
- const AVPixFmtDescriptor *desc;
- enum AVPixelFormat *choices;
- enum AVPixelFormat ret;
- unsigned n = 0;
-
- while (fmt[n] != AV_PIX_FMT_NONE)
- ++n;
-
- av_assert0(n >= 1);
- avctx->sw_pix_fmt = fmt[n - 1];
- av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
-
- choices = av_malloc_array(n + 1, sizeof(*choices));
- if (!choices)
- return AV_PIX_FMT_NONE;
-
- memcpy(choices, fmt, (n + 1) * sizeof(*choices));
-
- for (;;) {
- if (avctx->hwaccel && avctx->hwaccel->uninit)
- avctx->hwaccel->uninit(avctx);
- av_freep(&avctx->internal->hwaccel_priv_data);
- avctx->hwaccel = NULL;
-
- av_buffer_unref(&avctx->hw_frames_ctx);
-
- ret = avctx->get_format(avctx, choices);
-
- desc = av_pix_fmt_desc_get(ret);
- if (!desc) {
- ret = AV_PIX_FMT_NONE;
- break;
- }
-
- if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
- break;
-#if FF_API_CAP_VDPAU
- if (avctx->codec->capabilities&AV_CODEC_CAP_HWACCEL_VDPAU)
- break;
-#endif
-
- if (avctx->hw_frames_ctx) {
- AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
- if (hw_frames_ctx->format != ret) {
- av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
- "does not match the format of provided AVHWFramesContext\n");
- ret = AV_PIX_FMT_NONE;
- break;
- }
- }
-
- if (!setup_hwaccel(avctx, ret, desc->name))
- break;
-
- /* Remove failed hwaccel from choices */
- for (n = 0; choices[n] != ret; n++)
- av_assert0(choices[n] != AV_PIX_FMT_NONE);
-
- do
- choices[n] = choices[n + 1];
- while (choices[n++] != AV_PIX_FMT_NONE);
- }
-
- av_freep(&choices);
- return ret;
-}
-
MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
return !!(codec->caps_internal & FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM);
}
-static void get_subtitle_defaults(AVSubtitle *sub)
-{
- memset(sub, 0, sizeof(*sub));
- sub->pts = AV_NOPTS_VALUE;
-}
-
static int64_t get_bit_rate(AVCodecContext *ctx)
{
int64_t bit_rate;
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->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;
+ }
+
avctx->internal->skip_samples_multiplier = 1;
if (codec->priv_data_size > 0) {
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);
+
+ av_packet_free(&avctx->internal->ds.in_pkt);
+
av_freep(&avctx->internal->pool);
}
av_freep(&avctx->internal);
goto end;
}
-int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
-{
- if (avpkt->size < 0) {
- av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
- return AVERROR(EINVAL);
- }
- if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
- av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
- size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
- return AVERROR(EINVAL);
- }
-
- if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
- av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
- if (!avpkt->data || avpkt->size < size) {
- av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
- avpkt->data = avctx->internal->byte_buffer;
- avpkt->size = avctx->internal->byte_buffer_size;
- }
- }
-
- if (avpkt->data) {
- AVBufferRef *buf = avpkt->buf;
-
- if (avpkt->size < size) {
- av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
- return AVERROR(EINVAL);
- }
-
- av_init_packet(avpkt);
- avpkt->buf = buf;
- avpkt->size = size;
- return 0;
- } else {
- int ret = av_new_packet(avpkt, size);
- if (ret < 0)
- av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
- return ret;
- }
-}
-
-int ff_alloc_packet(AVPacket *avpkt, int size)
-{
- return ff_alloc_packet2(NULL, avpkt, size, 0);
-}
-
-/**
- * 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;
- av_frame_set_channels(frame, av_frame_get_channels(src));
- 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 *extended_frame = NULL;
- AVFrame *padded_frame = NULL;
- int ret;
- AVPacket user_pkt = *avpkt;
- int needs_realloc = !user_pkt.data;
-
- *got_packet_ptr = 0;
-
- if (!avctx->codec->encode2) {
- av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
- return AVERROR(ENOSYS);
- }
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
- av_packet_unref(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");
-
- extended_frame = av_frame_alloc();
- if (!extended_frame)
- return AVERROR(ENOMEM);
-
- memcpy(extended_frame, frame, sizeof(AVFrame));
- extended_frame->extended_data = extended_frame->data;
- frame = extended_frame;
- }
-
- /* extract audio service type metadata */
- if (frame) {
- AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
- if (sd && sd->size >= sizeof(enum AVAudioServiceType))
- avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
- }
-
- /* check for valid frame size */
- if (frame) {
- if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
- if (frame->nb_samples > avctx->frame_size) {
- av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
- ret = AVERROR(EINVAL);
- goto end;
- }
- } else if (!(avctx->codec->capabilities & AV_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)
- goto end;
-
- frame = padded_frame;
- avctx->internal->last_audio_frame = 1;
- }
-
- if (frame->nb_samples != avctx->frame_size) {
- av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
- ret = AVERROR(EINVAL);
- goto end;
- }
- }
- }
-
- av_assert0(avctx->codec->encode2);
-
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret) {
- if (*got_packet_ptr) {
- if (!(avctx->codec->capabilities & AV_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 (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
- needs_realloc = 0;
- if (user_pkt.data) {
- if (user_pkt.size >= avpkt->size) {
- memcpy(user_pkt.data, avpkt->data, avpkt->size);
- } else {
- av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
- avpkt->size = user_pkt.size;
- ret = -1;
- }
- avpkt->buf = user_pkt.buf;
- avpkt->data = user_pkt.data;
- } else {
- if (av_dup_packet(avpkt) < 0) {
- ret = AVERROR(ENOMEM);
- }
- }
- }
-
- if (!ret) {
- if (needs_realloc && avpkt->data) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- avctx->frame_number++;
- }
-
- if (ret < 0 || !*got_packet_ptr) {
- av_packet_unref(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);
- av_free(extended_frame);
-
-#if FF_API_AUDIOENC_DELAY
- avctx->delay = avctx->initial_padding;
-#endif
-
- return ret;
-}
-
-int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
- AVPacket *avpkt,
- const AVFrame *frame,
- int *got_packet_ptr)
-{
- int ret;
- AVPacket user_pkt = *avpkt;
- int needs_realloc = !user_pkt.data;
-
- *got_packet_ptr = 0;
-
- if (!avctx->codec->encode2) {
- av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
- return AVERROR(ENOSYS);
- }
-
- if(CONFIG_FRAME_THREAD_ENCODER &&
- avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
- return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
-
- if ((avctx->flags&AV_CODEC_FLAG_PASS1) && avctx->stats_out)
- avctx->stats_out[0] = '\0';
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
- av_packet_unref(avpkt);
- av_init_packet(avpkt);
- avpkt->size = 0;
- return 0;
- }
-
- if (av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx))
- return AVERROR(EINVAL);
-
- if (frame && frame->format == AV_PIX_FMT_NONE)
- av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
- if (frame && (frame->width == 0 || frame->height == 0))
- av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
-
- av_assert0(avctx->codec->encode2);
-
- ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- av_assert0(ret <= 0);
-
- emms_c();
-
- if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
- needs_realloc = 0;
- if (user_pkt.data) {
- if (user_pkt.size >= avpkt->size) {
- memcpy(user_pkt.data, avpkt->data, avpkt->size);
- } else {
- av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
- avpkt->size = user_pkt.size;
- ret = -1;
- }
- avpkt->buf = user_pkt.buf;
- avpkt->data = user_pkt.data;
- } else {
- if (av_dup_packet(avpkt) < 0) {
- ret = AVERROR(ENOMEM);
- }
- }
- }
-
- if (!ret) {
- if (!*got_packet_ptr)
- avpkt->size = 0;
- else if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- avpkt->pts = avpkt->dts = frame->pts;
-
- if (needs_realloc && avpkt->data) {
- ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
- if (ret >= 0)
- avpkt->data = avpkt->buf->data;
- }
-
- avctx->frame_number++;
- }
-
- if (ret < 0 || !*got_packet_ptr)
- av_packet_unref(avpkt);
-
- 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;
- }
-
- ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
- avctx->frame_number++;
- return ret;
-}
-
-/**
- * Attempt to guess proper monotonic timestamps for decoded video frames
- * which might have incorrect times. Input timestamps may wrap around, in
- * which case the output will as well.
- *
- * @param pts the pts field of the decoded AVPacket, as passed through
- * AVFrame.pts
- * @param dts the dts field of the decoded AVPacket
- * @return one of the input values, may be AV_NOPTS_VALUE
- */
-static int64_t guess_correct_pts(AVCodecContext *ctx,
- int64_t reordered_pts, int64_t dts)
-{
- int64_t pts = AV_NOPTS_VALUE;
-
- if (dts != AV_NOPTS_VALUE) {
- ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
- ctx->pts_correction_last_dts = dts;
- } else if (reordered_pts != AV_NOPTS_VALUE)
- ctx->pts_correction_last_dts = reordered_pts;
-
- if (reordered_pts != AV_NOPTS_VALUE) {
- ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
- ctx->pts_correction_last_pts = reordered_pts;
- } else if(dts != AV_NOPTS_VALUE)
- ctx->pts_correction_last_pts = dts;
-
- if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
- && reordered_pts != AV_NOPTS_VALUE)
- pts = reordered_pts;
- else
- pts = dts;
-
- return pts;
-}
-
-static int apply_param_change(AVCodecContext *avctx, const AVPacket *avpkt)
-{
- int size = 0, ret;
- const uint8_t *data;
- uint32_t flags;
- int64_t val;
-
- data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
- if (!data)
- return 0;
-
- if (!(avctx->codec->capabilities & AV_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");
- ret = AVERROR(EINVAL);
- goto fail2;
- }
-
- 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;
- val = bytestream_get_le32(&data);
- if (val <= 0 || val > INT_MAX) {
- av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
- ret = AVERROR_INVALIDDATA;
- goto fail2;
- }
- avctx->channels = val;
- 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;
- val = bytestream_get_le32(&data);
- if (val <= 0 || val > INT_MAX) {
- av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
- ret = AVERROR_INVALIDDATA;
- goto fail2;
- }
- avctx->sample_rate = val;
- 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)
- goto fail2;
- }
-
- return 0;
-fail:
- av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
- ret = AVERROR_INVALIDDATA;
-fail2:
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
- if (avctx->err_recognition & AV_EF_EXPLODE)
- return ret;
- }
- return 0;
-}
-
-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_frame_get_channels(avci->to_free);
- int size = planes * sizeof(*frame->extended_data);
-
- if (!size) {
- av_frame_unref(frame);
- return AVERROR_BUG;
- }
-
- frame->extended_data = av_malloc(size);
- if (!frame->extended_data) {
- av_frame_unref(frame);
- return AVERROR(ENOMEM);
- }
- 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;
- av_frame_set_channels(frame, av_frame_get_channels(avci->to_free));
-
- return 0;
-}
-
-int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
- int *got_picture_ptr,
- const AVPacket *avpkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret;
- // copy to ensure we do not change avpkt
- AVPacket tmp = *avpkt;
-
- if (!avctx->codec)
- return AVERROR(EINVAL);
- if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
- av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
- return AVERROR(EINVAL);
- }
-
- if (!avctx->codec->decode) {
- av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
- return AVERROR(ENOSYS);
- }
-
- *got_picture_ptr = 0;
- if ((avctx->coded_width || avctx->coded_height) && av_image_check_size2(avctx->coded_width, avctx->coded_height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx))
- return AVERROR(EINVAL);
-
- avctx->internal->pkt = avpkt;
- ret = apply_param_change(avctx, avpkt);
- if (ret < 0)
- return ret;
-
- av_frame_unref(picture);
-
- if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size ||
- (avctx->active_thread_type & FF_THREAD_FRAME)) {
-#if FF_API_MERGE_SD
-FF_DISABLE_DEPRECATION_WARNINGS
- int did_split = av_packet_split_side_data(&tmp);
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- ret = apply_param_change(avctx, &tmp);
- if (ret < 0)
- goto fail;
-
- avctx->internal->pkt = &tmp;
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
- &tmp);
- else {
- ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- &tmp);
- if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
- picture->pkt_dts = avpkt->dts;
-
- if(!avctx->has_b_frames){
- av_frame_set_pkt_pos(picture, avpkt->pos);
- }
- //FIXME these should be under if(!avctx->has_b_frames)
- /* get_buffer is supposed to set frame parameters */
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
- if (!picture->sample_aspect_ratio.num) picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
- if (!picture->width) picture->width = avctx->width;
- if (!picture->height) picture->height = avctx->height;
- if (picture->format == AV_PIX_FMT_NONE) picture->format = avctx->pix_fmt;
- }
- }
-
-fail:
- emms_c(); //needed to avoid an emms_c() call before every return;
-
- avctx->internal->pkt = NULL;
-#if FF_API_MERGE_SD
- if (did_split) {
- av_packet_free_side_data(&tmp);
- if(ret == tmp.size)
- ret = avpkt->size;
- }
-#endif
- if (picture->flags & AV_FRAME_FLAG_DISCARD) {
- *got_picture_ptr = 0;
- }
- if (*got_picture_ptr) {
- if (!avctx->refcounted_frames) {
- int err = unrefcount_frame(avci, picture);
- if (err < 0)
- return err;
- }
-
- avctx->frame_number++;
- av_frame_set_best_effort_timestamp(picture,
- guess_correct_pts(avctx,
- picture->pts,
- picture->pkt_dts));
- } else
- av_frame_unref(picture);
- } else
- ret = 0;
-
- /* many decoders assign whole AVFrames, thus overwriting extended_data;
- * make sure it's set correctly */
- av_assert0(!picture->extended_data || picture->extended_data == picture->data);
-
-#if FF_API_AVCTX_TIMEBASE
- if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
- avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
-#endif
-
- return ret;
-}
-
-int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
- AVFrame *frame,
- int *got_frame_ptr,
- const AVPacket *avpkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret = 0;
-
- *got_frame_ptr = 0;
-
- if (!avctx->codec)
- return AVERROR(EINVAL);
-
- if (!avctx->codec->decode) {
- av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
- return AVERROR(ENOSYS);
- }
-
- if (!avpkt->data && avpkt->size) {
- av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
- return AVERROR(EINVAL);
- }
- if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) {
- av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n");
- return AVERROR(EINVAL);
- }
-
- av_frame_unref(frame);
-
- if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
- uint8_t *side;
- int side_size;
- uint32_t discard_padding = 0;
- uint8_t skip_reason = 0;
- uint8_t discard_reason = 0;
- // copy to ensure we do not change avpkt
- AVPacket tmp = *avpkt;
-#if FF_API_MERGE_SD
-FF_DISABLE_DEPRECATION_WARNINGS
- int did_split = av_packet_split_side_data(&tmp);
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- ret = apply_param_change(avctx, &tmp);
- if (ret < 0)
- goto fail;
-
- avctx->internal->pkt = &tmp;
- if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
- ret = ff_thread_decode_frame(avctx, frame, got_frame_ptr, &tmp);
- else {
- ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp);
- av_assert0(ret <= tmp.size);
- frame->pkt_dts = avpkt->dts;
- }
- if (ret >= 0 && *got_frame_ptr) {
- avctx->frame_number++;
- av_frame_set_best_effort_timestamp(frame,
- guess_correct_pts(avctx,
- frame->pts,
- frame->pkt_dts));
- if (frame->format == AV_SAMPLE_FMT_NONE)
- frame->format = avctx->sample_fmt;
- if (!frame->channel_layout)
- frame->channel_layout = avctx->channel_layout;
- if (!av_frame_get_channels(frame))
- av_frame_set_channels(frame, avctx->channels);
- if (!frame->sample_rate)
- frame->sample_rate = avctx->sample_rate;
- }
-
- side= av_packet_get_side_data(avctx->internal->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
- if(side && side_size>=10) {
- avctx->internal->skip_samples = AV_RL32(side) * avctx->internal->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);
- skip_reason = AV_RL8(side + 8);
- discard_reason = AV_RL8(side + 9);
- }
-
- if ((frame->flags & AV_FRAME_FLAG_DISCARD) && *got_frame_ptr &&
- !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
- avctx->internal->skip_samples = FFMAX(0, avctx->internal->skip_samples - frame->nb_samples);
- *got_frame_ptr = 0;
- }
-
- if (avctx->internal->skip_samples > 0 && *got_frame_ptr &&
- !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
- if(frame->nb_samples <= avctx->internal->skip_samples){
- *got_frame_ptr = 0;
- avctx->internal->skip_samples -= frame->nb_samples;
- av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
- avctx->internal->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);
- if(avctx->pkt_timebase.num && avctx->sample_rate) {
- int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
- (AVRational){1, avctx->sample_rate},
- avctx->pkt_timebase);
- if(frame->pts!=AV_NOPTS_VALUE)
- frame->pts += diff_ts;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
- if(frame->pkt_pts!=AV_NOPTS_VALUE)
- frame->pkt_pts += diff_ts;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- if(frame->pkt_dts!=AV_NOPTS_VALUE)
- frame->pkt_dts += diff_ts;
- if (av_frame_get_pkt_duration(frame) >= diff_ts)
- av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
- } else {
- 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;
- }
- }
-
- if (discard_padding > 0 && discard_padding <= frame->nb_samples && *got_frame_ptr &&
- !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
- if (discard_padding == frame->nb_samples) {
- *got_frame_ptr = 0;
- } else {
- if(avctx->pkt_timebase.num && avctx->sample_rate) {
- int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
- (AVRational){1, avctx->sample_rate},
- avctx->pkt_timebase);
- av_frame_set_pkt_duration(frame, diff_ts);
- } else {
- av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
- }
- av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
- (int)discard_padding, frame->nb_samples);
- frame->nb_samples -= discard_padding;
- }
- }
-
- if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && *got_frame_ptr) {
- 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 + 4, discard_padding);
- AV_WL8(fside->data + 8, skip_reason);
- AV_WL8(fside->data + 9, discard_reason);
- avctx->internal->skip_samples = 0;
- }
- }
-fail:
- avctx->internal->pkt = NULL;
-#if FF_API_MERGE_SD
- if (did_split) {
- av_packet_free_side_data(&tmp);
- if(ret == tmp.size)
- ret = avpkt->size;
- }
-#endif
-
- if (ret >= 0 && *got_frame_ptr) {
- if (!avctx->refcounted_frames) {
- int err = unrefcount_frame(avci, frame);
- if (err < 0)
- return err;
- }
- } else
- av_frame_unref(frame);
- }
-
- av_assert0(ret <= avpkt->size);
-
- if (!avci->showed_multi_packet_warning &&
- ret >= 0 && ret != avpkt->size && !(avctx->codec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
- av_log(avctx, AV_LOG_WARNING, "Multiple frames in a packet.\n");
- avci->showed_multi_packet_warning = 1;
- }
-
- return ret;
-}
-
-#define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
-static int recode_subtitle(AVCodecContext *avctx,
- AVPacket *outpkt, const AVPacket *inpkt)
-{
-#if CONFIG_ICONV
- iconv_t cd = (iconv_t)-1;
- int ret = 0;
- char *inb, *outb;
- size_t inl, outl;
- AVPacket tmp;
-#endif
-
- if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
- return 0;
-
-#if CONFIG_ICONV
- cd = iconv_open("UTF-8", avctx->sub_charenc);
- av_assert0(cd != (iconv_t)-1);
-
- inb = inpkt->data;
- inl = inpkt->size;
-
- if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
- av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
- ret = AVERROR(ENOMEM);
- goto end;
- }
-
- ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
- if (ret < 0)
- goto end;
- outpkt->buf = tmp.buf;
- outpkt->data = tmp.data;
- outpkt->size = tmp.size;
- outb = outpkt->data;
- outl = outpkt->size;
-
- if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
- iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
- outl >= outpkt->size || inl != 0) {
- ret = FFMIN(AVERROR(errno), -1);
- av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
- "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
- av_packet_unref(&tmp);
- goto end;
- }
- outpkt->size -= outl;
- memset(outpkt->data + outpkt->size, 0, outl);
-
-end:
- if (cd != (iconv_t)-1)
- iconv_close(cd);
- return ret;
-#else
- av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
- return AVERROR(EINVAL);
-#endif
-}
-
-static int utf8_check(const uint8_t *str)
-{
- const uint8_t *byte;
- uint32_t codepoint, min;
-
- while (*str) {
- byte = str;
- GET_UTF8(codepoint, *(byte++), return 0;);
- min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
- 1 << (5 * (byte - str) - 4);
- if (codepoint < min || codepoint >= 0x110000 ||
- codepoint == 0xFFFE /* BOM */ ||
- codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
- return 0;
- str = byte;
- }
- return 1;
-}
-
-#if FF_API_ASS_TIMING
-static void insert_ts(AVBPrint *buf, int ts)
-{
- if (ts == -1) {
- av_bprintf(buf, "9:59:59.99,");
- } else {
- int h, m, s;
-
- h = ts/360000; ts -= 360000*h;
- m = ts/ 6000; ts -= 6000*m;
- s = ts/ 100; ts -= 100*s;
- av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
- }
-}
-
-static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
-{
- int i;
- AVBPrint buf;
-
- av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
-
- for (i = 0; i < sub->num_rects; i++) {
- char *final_dialog;
- const char *dialog;
- AVSubtitleRect *rect = sub->rects[i];
- int ts_start, ts_duration = -1;
- long int layer;
-
- if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
- continue;
-
- av_bprint_clear(&buf);
-
- /* skip ReadOrder */
- dialog = strchr(rect->ass, ',');
- if (!dialog)
- continue;
- dialog++;
-
- /* extract Layer or Marked */
- layer = strtol(dialog, (char**)&dialog, 10);
- if (*dialog != ',')
- continue;
- dialog++;
-
- /* rescale timing to ASS time base (ms) */
- ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
- if (pkt->duration != -1)
- ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
- sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
-
- /* construct ASS (standalone file form with timestamps) string */
- av_bprintf(&buf, "Dialogue: %ld,", layer);
- insert_ts(&buf, ts_start);
- insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
- av_bprintf(&buf, "%s\r\n", dialog);
-
- final_dialog = av_strdup(buf.str);
- if (!av_bprint_is_complete(&buf) || !final_dialog) {
- av_freep(&final_dialog);
- av_bprint_finalize(&buf, NULL);
- return AVERROR(ENOMEM);
- }
- av_freep(&rect->ass);
- rect->ass = final_dialog;
- }
-
- av_bprint_finalize(&buf, NULL);
- return 0;
-}
-#endif
-
-int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
- int *got_sub_ptr,
- AVPacket *avpkt)
-{
- int i, ret = 0;
-
- if (!avpkt->data && avpkt->size) {
- av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
- return AVERROR(EINVAL);
- }
- if (!avctx->codec)
- return AVERROR(EINVAL);
- if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
- av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
- return AVERROR(EINVAL);
- }
-
- *got_sub_ptr = 0;
- get_subtitle_defaults(sub);
-
- if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
- AVPacket pkt_recoded;
- AVPacket tmp = *avpkt;
-#if FF_API_MERGE_SD
-FF_DISABLE_DEPRECATION_WARNINGS
- int did_split = av_packet_split_side_data(&tmp);
- //apply_param_change(avctx, &tmp);
-
- if (did_split) {
- /* FFMIN() prevents overflow in case the packet wasn't allocated with
- * proper padding.
- * If the side data is smaller than the buffer padding size, the
- * remaining bytes should have already been filled with zeros by the
- * original packet allocation anyway. */
- memset(tmp.data + tmp.size, 0,
- FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
- }
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- pkt_recoded = tmp;
- ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
- if (ret < 0) {
- *got_sub_ptr = 0;
- } else {
- avctx->internal->pkt = &pkt_recoded;
-
- if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
- sub->pts = av_rescale_q(avpkt->pts,
- avctx->pkt_timebase, AV_TIME_BASE_Q);
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
- av_assert1((ret >= 0) >= !!*got_sub_ptr &&
- !!*got_sub_ptr >= !!sub->num_rects);
-
-#if FF_API_ASS_TIMING
- if (avctx->sub_text_format == FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS
- && *got_sub_ptr && sub->num_rects) {
- const AVRational tb = avctx->pkt_timebase.num ? avctx->pkt_timebase
- : avctx->time_base;
- int err = convert_sub_to_old_ass_form(sub, avpkt, tb);
- if (err < 0)
- ret = err;
- }
-#endif
-
- if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
- avctx->pkt_timebase.num) {
- AVRational ms = { 1, 1000 };
- sub->end_display_time = av_rescale_q(avpkt->duration,
- avctx->pkt_timebase, ms);
- }
-
- if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
- sub->format = 0;
- else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
- sub->format = 1;
-
- for (i = 0; i < sub->num_rects; i++) {
- if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
- av_log(avctx, AV_LOG_ERROR,
- "Invalid UTF-8 in decoded subtitles text; "
- "maybe missing -sub_charenc option\n");
- avsubtitle_free(sub);
- ret = AVERROR_INVALIDDATA;
- break;
- }
- }
-
- if (tmp.data != pkt_recoded.data) { // did we recode?
- /* prevent from destroying side data from original packet */
- pkt_recoded.side_data = NULL;
- pkt_recoded.side_data_elems = 0;
-
- av_packet_unref(&pkt_recoded);
- }
- avctx->internal->pkt = NULL;
- }
-
-#if FF_API_MERGE_SD
- if (did_split) {
- av_packet_free_side_data(&tmp);
- if(ret == tmp.size)
- ret = avpkt->size;
- }
-#endif
-
- if (*got_sub_ptr)
- avctx->frame_number++;
- }
-
- return ret;
-}
-
-void avsubtitle_free(AVSubtitle *sub)
+void avsubtitle_free(AVSubtitle *sub)
{
int i;
memset(sub, 0, sizeof(AVSubtitle));
}
-static int do_decode(AVCodecContext *avctx, AVPacket *pkt)
-{
- int got_frame = 0;
- int ret;
-
- av_assert0(!avctx->internal->buffer_frame->buf[0]);
-
- if (!pkt)
- pkt = avctx->internal->buffer_pkt;
-
- // This is the lesser evil. The field is for compatibility with legacy users
- // of the legacy API, and users using the new API should not be forced to
- // even know about this field.
- avctx->refcounted_frames = 1;
-
- // Some codecs (at least wma lossless) will crash when feeding drain packets
- // after EOF was signaled.
- if (avctx->internal->draining_done)
- return AVERROR_EOF;
-
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- ret = avcodec_decode_video2(avctx, avctx->internal->buffer_frame,
- &got_frame, pkt);
- if (ret >= 0 && !(avctx->flags & AV_CODEC_FLAG_TRUNCATED))
- ret = pkt->size;
- } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- ret = avcodec_decode_audio4(avctx, avctx->internal->buffer_frame,
- &got_frame, pkt);
- } else {
- ret = AVERROR(EINVAL);
- }
-
- if (ret == AVERROR(EAGAIN))
- ret = pkt->size;
-
- if (avctx->internal->draining && !got_frame)
- avctx->internal->draining_done = 1;
-
- if (ret < 0)
- return ret;
-
- if (ret >= pkt->size) {
- av_packet_unref(avctx->internal->buffer_pkt);
- } else {
- int consumed = ret;
-
- if (pkt != avctx->internal->buffer_pkt) {
- av_packet_unref(avctx->internal->buffer_pkt);
- if ((ret = av_packet_ref(avctx->internal->buffer_pkt, pkt)) < 0)
- return ret;
- }
-
- avctx->internal->buffer_pkt->data += consumed;
- avctx->internal->buffer_pkt->size -= consumed;
- avctx->internal->buffer_pkt->pts = AV_NOPTS_VALUE;
- avctx->internal->buffer_pkt->dts = AV_NOPTS_VALUE;
- }
-
- if (got_frame)
- av_assert0(avctx->internal->buffer_frame->buf[0]);
-
- return 0;
-}
-
-int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
-{
- int ret;
-
- if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->internal->draining)
- return AVERROR_EOF;
-
- if (avpkt && !avpkt->size && avpkt->data)
- return AVERROR(EINVAL);
-
- if (!avpkt || !avpkt->size) {
- avctx->internal->draining = 1;
- avpkt = NULL;
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return 0;
- }
-
- if (avctx->codec->send_packet) {
- if (avpkt) {
- AVPacket tmp = *avpkt;
-#if FF_API_MERGE_SD
-FF_DISABLE_DEPRECATION_WARNINGS
- int did_split = av_packet_split_side_data(&tmp);
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- ret = apply_param_change(avctx, &tmp);
- if (ret >= 0)
- ret = avctx->codec->send_packet(avctx, &tmp);
-#if FF_API_MERGE_SD
- if (did_split)
- av_packet_free_side_data(&tmp);
-#endif
- return ret;
- } else {
- return avctx->codec->send_packet(avctx, NULL);
- }
- }
-
- // Emulation via old API. Assume avpkt is likely not refcounted, while
- // decoder output is always refcounted, and avoid copying.
-
- if (avctx->internal->buffer_pkt->size || avctx->internal->buffer_frame->buf[0])
- return AVERROR(EAGAIN);
-
- // The goal is decoding the first frame of the packet without using memcpy,
- // because the common case is having only 1 frame per packet (especially
- // with video, but audio too). In other cases, it can't be avoided, unless
- // the user is feeding refcounted packets.
- return do_decode(avctx, (AVPacket *)avpkt);
-}
-
-int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
-{
- int ret;
-
- av_frame_unref(frame);
-
- if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->codec->receive_frame) {
- if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return AVERROR_EOF;
- ret = avctx->codec->receive_frame(avctx, frame);
- if (ret >= 0) {
- if (av_frame_get_best_effort_timestamp(frame) == AV_NOPTS_VALUE) {
- av_frame_set_best_effort_timestamp(frame,
- guess_correct_pts(avctx, frame->pts, frame->pkt_dts));
- }
- }
- return ret;
- }
-
- // Emulation via old API.
-
- if (!avctx->internal->buffer_frame->buf[0]) {
- if (!avctx->internal->buffer_pkt->size && !avctx->internal->draining)
- return AVERROR(EAGAIN);
-
- while (1) {
- if ((ret = do_decode(avctx, avctx->internal->buffer_pkt)) < 0) {
- av_packet_unref(avctx->internal->buffer_pkt);
- return ret;
- }
- // Some audio decoders may consume partial data without returning
- // a frame (fate-wmapro-2ch). There is no way to make the caller
- // call avcodec_receive_frame() again without returning a frame,
- // so try to decode more in these cases.
- if (avctx->internal->buffer_frame->buf[0] ||
- !avctx->internal->buffer_pkt->size)
- break;
- }
- }
-
- if (!avctx->internal->buffer_frame->buf[0])
- return avctx->internal->draining ? AVERROR_EOF : AVERROR(EAGAIN);
-
- av_frame_move_ref(frame, avctx->internal->buffer_frame);
- return 0;
-}
-
-static int do_encode(AVCodecContext *avctx, const AVFrame *frame, int *got_packet)
-{
- int ret;
- *got_packet = 0;
-
- av_packet_unref(avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
-
- if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- ret = avcodec_encode_video2(avctx, avctx->internal->buffer_pkt,
- frame, got_packet);
- } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- ret = avcodec_encode_audio2(avctx, avctx->internal->buffer_pkt,
- frame, got_packet);
- } else {
- ret = AVERROR(EINVAL);
- }
-
- if (ret >= 0 && *got_packet) {
- // Encoders must always return ref-counted buffers.
- // Side-data only packets have no data and can be not ref-counted.
- av_assert0(!avctx->internal->buffer_pkt->data || avctx->internal->buffer_pkt->buf);
- avctx->internal->buffer_pkt_valid = 1;
- ret = 0;
- } else {
- av_packet_unref(avctx->internal->buffer_pkt);
- }
-
- return ret;
-}
-
-int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
-{
- if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->internal->draining)
- return AVERROR_EOF;
-
- if (!frame) {
- avctx->internal->draining = 1;
-
- if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return 0;
- }
-
- if (avctx->codec->send_frame)
- return avctx->codec->send_frame(avctx, frame);
-
- // Emulation via old API. Do it here instead of avcodec_receive_packet, because:
- // 1. if the AVFrame is not refcounted, the copying will be much more
- // expensive than copying the packet data
- // 2. assume few users use non-refcounted AVPackets, so usually no copy is
- // needed
-
- if (avctx->internal->buffer_pkt_valid)
- return AVERROR(EAGAIN);
-
- return do_encode(avctx, frame, &(int){0});
-}
-
-int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
-{
- av_packet_unref(avpkt);
-
- if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
- return AVERROR(EINVAL);
-
- if (avctx->codec->receive_packet) {
- if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
- return AVERROR_EOF;
- return avctx->codec->receive_packet(avctx, avpkt);
- }
-
- // Emulation via old API.
-
- if (!avctx->internal->buffer_pkt_valid) {
- int got_packet;
- int ret;
- if (!avctx->internal->draining)
- return AVERROR(EAGAIN);
- ret = do_encode(avctx, NULL, &got_packet);
- if (ret < 0)
- return ret;
- if (ret >= 0 && !got_packet)
- return AVERROR_EOF;
- }
-
- av_packet_move_ref(avpkt, avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
- return 0;
-}
-
av_cold int avcodec_close(AVCodecContext *avctx)
{
int i;
avctx->internal->byte_buffer_size = 0;
av_freep(&avctx->internal->byte_buffer);
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);
avctx->hwaccel->uninit(avctx);
av_freep(&avctx->internal->hwaccel_priv_data);
+ ff_decode_bsfs_uninit(avctx);
+
av_freep(&avctx->internal);
}
return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-void avcodec_flush_buffers(AVCodecContext *avctx)
-{
- avctx->internal->draining = 0;
- avctx->internal->draining_done = 0;
- av_frame_unref(avctx->internal->buffer_frame);
- av_packet_unref(avctx->internal->buffer_pkt);
- avctx->internal->buffer_pkt_valid = 0;
-
- 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;
-
- 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) {
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) {
projects / ffmpeg / blobdiff