*/
#include "avformat.h"
-#include "avio_internal.h"
#include "internal.h"
#include "libavcodec/internal.h"
-#include "libavcodec/bytestream.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavutil/pixdesc.h"
#include "libavutil/timestamp.h"
-#include "metadata.h"
-#include "id3v2.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/time.h"
-#include "riff.h"
-#include "audiointerleave.h"
-#include "url.h"
-#include <stdarg.h>
-#if CONFIG_NETWORK
-#include "network.h"
-#endif
/**
* @file
if (desc && desc->props & AV_CODEC_PROP_REORDER)
st->internal->reorder = 1;
+ st->internal->is_intra_only = ff_is_intra_only(par->codec_id);
+
if (of->codec_tag) {
if ( par->codec_tag
&& par->codec_id == AV_CODEC_ID_RAWVIDEO
#define AV_PKT_FLAG_UNCODED_FRAME 0x2000
-/* Note: using sizeof(AVFrame) from outside lavu is unsafe in general, but
- it is only being used internally to this file as a consistency check.
- The value is chosen to be very unlikely to appear on its own and to cause
- immediate failure if used anywhere as a real size. */
-#define UNCODED_FRAME_PACKET_SIZE (INT_MIN / 3 * 2 + (int)sizeof(AVFrame))
-
#if FF_API_COMPUTE_PKT_FIELDS2 && FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
switch (st->codecpar->codec_type) {
case AVMEDIA_TYPE_AUDIO:
frame_size = (pkt->flags & AV_PKT_FLAG_UNCODED_FRAME) ?
- ((AVFrame *)pkt->data)->nb_samples :
+ (*(AVFrame **)pkt->data)->nb_samples :
av_get_audio_frame_duration(st->codec, pkt->size);
/* HACK/FIXME, we skip the initial 0 size packets as they are most
#endif
/**
- * Make timestamps non negative, move side data from payload to internal struct, call muxer, and restore
- * sidedata.
+ * Shift timestamps and call muxer; the original pts/dts are not kept.
*
* FIXME: this function should NEVER get undefined pts/dts beside when the
* AVFMT_NOTIMESTAMPS is set.
static int write_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret;
- int64_t pts_backup, dts_backup;
-
- pts_backup = pkt->pts;
- dts_backup = pkt->dts;
// If the timestamp offsetting below is adjusted, adjust
// ff_interleaved_peek similarly.
}
if ((pkt->flags & AV_PKT_FLAG_UNCODED_FRAME)) {
- AVFrame *frame = (AVFrame *)pkt->data;
- av_assert0(pkt->size == UNCODED_FRAME_PACKET_SIZE);
- ret = s->oformat->write_uncoded_frame(s, pkt->stream_index, &frame, 0);
- av_frame_free(&frame);
+ AVFrame **frame = (AVFrame **)pkt->data;
+ av_assert0(pkt->size == sizeof(*frame));
+ ret = s->oformat->write_uncoded_frame(s, pkt->stream_index, frame, 0);
} else {
ret = s->oformat->write_packet(s, pkt);
}
ret = s->pb->error;
}
- if (ret < 0) {
- pkt->pts = pts_backup;
- pkt->dts = dts_backup;
- } else
+ if (ret >= 0)
s->streams[pkt->stream_index]->nb_frames++;
return ret;
static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret;
+ AVStream *st = s->streams[pkt->stream_index];
ret = check_packet(s, pkt);
if (ret < 0)
#if !FF_API_COMPUTE_PKT_FIELDS2 || !FF_API_LAVF_AVCTX
/* sanitize the timestamps */
if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
- AVStream *st = s->streams[pkt->stream_index];
/* when there is no reordering (so dts is equal to pts), but
* only one of them is set, set the other as well */
}
}
#endif
+ /* update flags */
+ if (st->internal->is_intra_only)
+ pkt->flags |= AV_PKT_FLAG_KEY;
return 0;
}
-static int do_packet_auto_bsf(AVFormatContext *s, AVPacket *pkt) {
- AVStream *st = s->streams[pkt->stream_index];
- int i, ret;
-
- if (!(s->flags & AVFMT_FLAG_AUTO_BSF))
- return 1;
-
- if (s->oformat->check_bitstream) {
- if (!st->internal->bitstream_checked) {
- if ((ret = s->oformat->check_bitstream(s, pkt)) < 0)
- return ret;
- else if (ret == 1)
- st->internal->bitstream_checked = 1;
- }
- }
-
- for (i = 0; i < st->internal->nb_bsfcs; i++) {
- AVBSFContext *ctx = st->internal->bsfcs[i];
- // TODO: when any bitstream filter requires flushing at EOF, we'll need to
- // flush each stream's BSF chain on write_trailer.
- if ((ret = av_bsf_send_packet(ctx, pkt)) < 0) {
- av_log(ctx, AV_LOG_ERROR,
- "Failed to send packet to filter %s for stream %d\n",
- ctx->filter->name, pkt->stream_index);
- return ret;
- }
- // TODO: when any automatically-added bitstream filter is generating multiple
- // output packets for a single input one, we'll need to call this in a loop
- // and write each output packet.
- if ((ret = av_bsf_receive_packet(ctx, pkt)) < 0) {
- if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
- return 0;
- av_log(ctx, AV_LOG_ERROR,
- "Failed to receive packet from filter %s for stream %d\n",
- ctx->filter->name, pkt->stream_index);
- if (s->error_recognition & AV_EF_EXPLODE)
- return ret;
- return 0;
- }
- }
- return 1;
-}
-
-int av_write_frame(AVFormatContext *s, AVPacket *pkt)
-{
- int ret;
-
- if (!pkt) {
- if (s->oformat->flags & AVFMT_ALLOW_FLUSH) {
- ret = s->oformat->write_packet(s, NULL);
- flush_if_needed(s);
- if (ret >= 0 && s->pb && s->pb->error < 0)
- ret = s->pb->error;
- return ret;
- }
- return 1;
- }
-
- ret = prepare_input_packet(s, pkt);
- if (ret < 0)
- return ret;
-
- ret = do_packet_auto_bsf(s, pkt);
- if (ret <= 0)
- return ret;
-
-#if FF_API_COMPUTE_PKT_FIELDS2 && FF_API_LAVF_AVCTX
- ret = compute_muxer_pkt_fields(s, s->streams[pkt->stream_index], pkt);
-
- if (ret < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
- return ret;
-#endif
-
- return write_packet(s, pkt);
-}
-
#define CHUNK_START 0x1000
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int chunked = s->max_chunk_size || s->max_chunk_duration;
this_pktl = av_malloc(sizeof(AVPacketList));
- if (!this_pktl)
+ if (!this_pktl) {
+ av_packet_unref(pkt);
return AVERROR(ENOMEM);
- if (pkt->flags & AV_PKT_FLAG_UNCODED_FRAME) {
- av_assert0(pkt->size == UNCODED_FRAME_PACKET_SIZE);
- av_assert0(((AVFrame *)pkt->data)->buf);
- } else {
- if ((ret = av_packet_make_refcounted(pkt)) < 0) {
- av_free(this_pktl);
- return ret;
- }
+ }
+ if ((ret = av_packet_make_refcounted(pkt)) < 0) {
+ av_free(this_pktl);
+ av_packet_unref(pkt);
+ return ret;
}
av_packet_move_ref(&this_pktl->pkt, pkt);
return 1;
} else {
- av_init_packet(out);
return 0;
}
}
/**
* Interleave an AVPacket correctly so it can be muxed.
* @param out the interleaved packet will be output here
- * @param in the input packet
+ * @param in the input packet; will always be blank on return if not NULL
* @param flush 1 if no further packets are available as input and all
* remaining packets should be output
* @return 1 if a packet was output, 0 if no packet could be output,
return ff_interleave_packet_per_dts(s, out, in, flush);
}
-int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
+static int check_bitstream(AVFormatContext *s, AVStream *st, AVPacket *pkt)
{
- int ret, flush = 0;
+ int ret;
- if (pkt) {
- AVStream *st = s->streams[pkt->stream_index];
+ if (!(s->flags & AVFMT_FLAG_AUTO_BSF))
+ return 1;
+
+ if (s->oformat->check_bitstream) {
+ if (!st->internal->bitstream_checked) {
+ if ((ret = s->oformat->check_bitstream(s, pkt)) < 0)
+ return ret;
+ else if (ret == 1)
+ st->internal->bitstream_checked = 1;
+ }
+ }
+
+ return 1;
+}
+
+static int interleaved_write_packet(AVFormatContext *s, AVPacket *pkt, int flush)
+{
+ for (;; ) {
+ AVPacket opkt;
+ int ret = interleave_packet(s, &opkt, pkt, flush);
+ if (ret <= 0)
+ return ret;
+
+ pkt = NULL;
+
+ ret = write_packet(s, &opkt);
+
+ av_packet_unref(&opkt);
- ret = prepare_input_packet(s, pkt);
if (ret < 0)
- goto fail;
+ return ret;
+ }
+}
- ret = do_packet_auto_bsf(s, pkt);
- if (ret == 0)
- return 0;
- else if (ret < 0)
- goto fail;
+static int write_packet_common(AVFormatContext *s, AVStream *st, AVPacket *pkt, int interleaved)
+{
+ int ret;
- if (s->debug & FF_FDEBUG_TS)
- av_log(s, AV_LOG_DEBUG, "av_interleaved_write_frame size:%d dts:%s pts:%s\n",
- pkt->size, av_ts2str(pkt->dts), av_ts2str(pkt->pts));
+ if (s->debug & FF_FDEBUG_TS)
+ av_log(s, AV_LOG_DEBUG, "%s size:%d dts:%s pts:%s\n", __FUNCTION__,
+ pkt->size, av_ts2str(pkt->dts), av_ts2str(pkt->pts));
#if FF_API_COMPUTE_PKT_FIELDS2 && FF_API_LAVF_AVCTX
- if ((ret = compute_muxer_pkt_fields(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
- goto fail;
+ if ((ret = compute_muxer_pkt_fields(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
+ return ret;
#endif
- if (pkt->dts == AV_NOPTS_VALUE && !(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
- ret = AVERROR(EINVAL);
- goto fail;
- }
+ if (interleaved) {
+ if (pkt->dts == AV_NOPTS_VALUE && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
+ return AVERROR(EINVAL);
+ return interleaved_write_packet(s, pkt, 0);
} else {
- av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame FLUSH\n");
- flush = 1;
+ return write_packet(s, pkt);
}
+}
- for (;; ) {
- AVPacket opkt;
- int ret = interleave_packet(s, &opkt, pkt, flush);
- if (pkt) {
- memset(pkt, 0, sizeof(*pkt));
- av_init_packet(pkt);
- pkt = NULL;
- }
- if (ret <= 0) //FIXME cleanup needed for ret<0 ?
+static int write_packets_from_bsfs(AVFormatContext *s, AVStream *st, AVPacket *pkt, int interleaved)
+{
+ AVBSFContext *bsfc = st->internal->bsfc;
+ int ret;
+
+ if ((ret = av_bsf_send_packet(bsfc, pkt)) < 0) {
+ av_log(s, AV_LOG_ERROR,
+ "Failed to send packet to filter %s for stream %d\n",
+ bsfc->filter->name, st->index);
+ return ret;
+ }
+
+ do {
+ ret = av_bsf_receive_packet(bsfc, pkt);
+ if (ret < 0) {
+ if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+ return 0;
+ av_log(s, AV_LOG_ERROR, "Error applying bitstream filters to an output "
+ "packet for stream #%d: %s\n", st->index, av_err2str(ret));
+ if (!(s->error_recognition & AV_EF_EXPLODE) && ret != AVERROR(ENOMEM))
+ continue;
return ret;
+ }
+ av_packet_rescale_ts(pkt, bsfc->time_base_out, st->time_base);
+ ret = write_packet_common(s, st, pkt, interleaved);
+ if (ret >= 0 && !interleaved) // a successful write_packet_common already unrefed pkt for interleaved
+ av_packet_unref(pkt);
+ } while (ret >= 0);
- ret = write_packet(s, &opkt);
+ return ret;
+}
- av_packet_unref(&opkt);
+static int write_packets_common(AVFormatContext *s, AVPacket *pkt, int interleaved)
+{
+ AVStream *st = s->streams[pkt->stream_index];
+ int ret = prepare_input_packet(s, pkt);
+ if (ret < 0)
+ return ret;
+
+ ret = check_bitstream(s, st, pkt);
+ if (ret < 0)
+ return ret;
+
+ if (st->internal->bsfc) {
+ return write_packets_from_bsfs(s, st, pkt, interleaved);
+ } else {
+ return write_packet_common(s, st, pkt, interleaved);
+ }
+}
+
+int av_write_frame(AVFormatContext *s, AVPacket *in)
+{
+ AVPacket local_pkt, *pkt = &local_pkt;
+ int ret;
+ if (!in) {
+ if (s->oformat->flags & AVFMT_ALLOW_FLUSH) {
+ ret = s->oformat->write_packet(s, NULL);
+ flush_if_needed(s);
+ if (ret >= 0 && s->pb && s->pb->error < 0)
+ ret = s->pb->error;
+ return ret;
+ }
+ return 1;
+ }
+
+ if (in->flags & AV_PKT_FLAG_UNCODED_FRAME) {
+ pkt = in;
+ } else {
+ /* We don't own in, so we have to make sure not to modify it.
+ * The following avoids copying in's data unnecessarily.
+ * Copying side data is unavoidable as a bitstream filter
+ * may change it, e.g. free it on errors. */
+ pkt->buf = NULL;
+ pkt->data = in->data;
+ pkt->size = in->size;
+ ret = av_packet_copy_props(pkt, in);
if (ret < 0)
return ret;
+ if (in->buf) {
+ pkt->buf = av_buffer_ref(in->buf);
+ if (!pkt->buf) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ }
}
+
+ ret = write_packets_common(s, pkt, 0/*non-interleaved*/);
+
fail:
+ // Uncoded frames using the noninterleaved codepath are also freed here
av_packet_unref(pkt);
return ret;
}
-int av_write_trailer(AVFormatContext *s)
+int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
{
- int ret, i;
+ int ret;
- for (;; ) {
- AVPacket pkt;
- ret = interleave_packet(s, &pkt, NULL, 1);
+ if (pkt) {
+ ret = write_packets_common(s, pkt, 1/*interleaved*/);
if (ret < 0)
- goto fail;
- if (!ret)
- break;
-
- ret = write_packet(s, &pkt);
+ av_packet_unref(pkt);
+ return ret;
+ } else {
+ av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame FLUSH\n");
+ return interleaved_write_packet(s, NULL, 1/*flush*/);
+ }
+}
- av_packet_unref(&pkt);
+int av_write_trailer(AVFormatContext *s)
+{
+ int i, ret1, ret = 0;
+ AVPacket pkt = {0};
+ av_init_packet(&pkt);
- if (ret < 0)
- goto fail;
+ for (i = 0; i < s->nb_streams; i++) {
+ if (s->streams[i]->internal->bsfc) {
+ ret1 = write_packets_from_bsfs(s, s->streams[i], &pkt, 1/*interleaved*/);
+ if (ret1 < 0)
+ av_packet_unref(&pkt);
+ if (ret >= 0)
+ ret = ret1;
+ }
}
+ ret1 = interleaved_write_packet(s, NULL, 1);
+ if (ret >= 0)
+ ret = ret1;
-fail:
if (s->oformat->write_trailer) {
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
return ret;
}
+static void uncoded_frame_free(void *unused, uint8_t *data)
+{
+ av_frame_free((AVFrame **)data);
+ av_free(data);
+}
+
static int write_uncoded_frame_internal(AVFormatContext *s, int stream_index,
AVFrame *frame, int interleaved)
{
AVPacket pkt, *pktp;
av_assert0(s->oformat);
- if (!s->oformat->write_uncoded_frame)
+ if (!s->oformat->write_uncoded_frame) {
+ av_frame_free(&frame);
return AVERROR(ENOSYS);
+ }
if (!frame) {
pktp = NULL;
} else {
+ size_t bufsize = sizeof(frame) + AV_INPUT_BUFFER_PADDING_SIZE;
+ AVFrame **framep = av_mallocz(bufsize);
+
+ if (!framep)
+ goto fail;
pktp = &pkt;
av_init_packet(&pkt);
- pkt.data = (void *)frame;
- pkt.size = UNCODED_FRAME_PACKET_SIZE;
+ pkt.buf = av_buffer_create((void *)framep, bufsize,
+ uncoded_frame_free, NULL, 0);
+ if (!pkt.buf) {
+ av_free(framep);
+ fail:
+ av_frame_free(&frame);
+ return AVERROR(ENOMEM);
+ }
+ *framep = frame;
+
+ pkt.data = (void *)framep;
+ pkt.size = sizeof(frame);
pkt.pts =
pkt.dts = frame->pts;
pkt.duration = frame->pkt_duration;
projects / ffmpeg / blobdiff