* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/* #define DEBUG */
-
#include "avformat.h"
#include "avio_internal.h"
#include "internal.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"
* muxing functions for use within Libav
*/
-/* fraction handling */
-
-/**
- * f = val + (num / den) + 0.5.
- *
- * 'num' is normalized so that it is such as 0 <= num < den.
- *
- * @param f fractional number
- * @param val integer value
- * @param num must be >= 0
- * @param den must be >= 1
- */
-static void frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den)
-{
- num += (den >> 1);
- if (num >= den) {
- val += num / den;
- num = num % den;
- }
- f->val = val;
- f->num = num;
- f->den = den;
-}
-
-/**
- * Fractional addition to f: f = f + (incr / f->den).
- *
- * @param f fractional number
- * @param incr increment, can be positive or negative
- */
-static void frac_add(AVFrac *f, int64_t incr)
-{
- int64_t num, den;
-
- num = f->num + incr;
- den = f->den;
- if (num < 0) {
- f->val += num / den;
- num = num % den;
- if (num < 0) {
- num += den;
- f->val--;
- }
- } else if (num >= den) {
- f->val += num / den;
- num = num % den;
- }
- f->num = num;
-}
-
static int validate_codec_tag(AVFormatContext *s, AVStream *st)
{
const AVCodecTag *avctag;
for (n = 0; s->oformat->codec_tag[n]; n++) {
avctag = s->oformat->codec_tag[n];
while (avctag->id != AV_CODEC_ID_NONE) {
- if (avpriv_toupper4(avctag->tag) == avpriv_toupper4(st->codec->codec_tag)) {
+ if (avpriv_toupper4(avctag->tag) == avpriv_toupper4(st->codecpar->codec_tag)) {
id = avctag->id;
- if (id == st->codec->codec_id)
+ if (id == st->codecpar->codec_id)
return 1;
}
- if (avctag->id == st->codec->codec_id)
+ if (avctag->id == st->codecpar->codec_id)
tag = avctag->tag;
avctag++;
}
}
if (id != AV_CODEC_ID_NONE)
return 0;
- if (tag && (st->codec->strict_std_compliance >= FF_COMPLIANCE_NORMAL))
+ if (tag && (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL))
return 0;
return 1;
}
int ret = 0, i;
AVStream *st;
AVDictionary *tmp = NULL;
- AVCodecContext *codec = NULL;
+ AVCodecParameters *par = NULL;
AVOutputFormat *of = s->oformat;
+ const AVCodecDescriptor *desc;
if (options)
av_dict_copy(&tmp, *options, 0);
if ((ret = av_opt_set_dict(s, &tmp)) < 0)
goto fail;
+#if FF_API_LAVF_BITEXACT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (s->nb_streams && s->streams[0]->codec->flags & AV_CODEC_FLAG_BITEXACT)
+ s->flags |= AVFMT_FLAG_BITEXACT;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
// some sanity checks
if (s->nb_streams == 0 && !(of->flags & AVFMT_NOSTREAMS)) {
av_log(s, AV_LOG_ERROR, "no streams\n");
}
for (i = 0; i < s->nb_streams; i++) {
- st = s->streams[i];
- codec = st->codec;
+ st = s->streams[i];
+ par = st->codecpar;
+
+#if FF_API_LAVF_CODEC_TB
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (!st->time_base.num && st->codec->time_base.num) {
+ av_log(s, AV_LOG_WARNING, "Using AVStream.codec.time_base as a "
+ "timebase hint to the muxer is deprecated. Set "
+ "AVStream.time_base instead.\n");
+ avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+#if FF_API_LAVF_AVCTX
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_UNKNOWN &&
+ st->codec->codec_type != AVMEDIA_TYPE_UNKNOWN) {
+ av_log(s, AV_LOG_WARNING, "Using AVStream.codec to pass codec "
+ "parameters to muxers is deprecated, use AVStream.codecpar "
+ "instead.\n");
+ ret = avcodec_parameters_from_context(st->codecpar, st->codec);
+ if (ret < 0)
+ goto fail;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
- switch (codec->codec_type) {
+ if (!st->time_base.num) {
+ /* fall back on the default timebase values */
+ if (par->codec_type == AVMEDIA_TYPE_AUDIO && par->sample_rate)
+ avpriv_set_pts_info(st, 64, 1, par->sample_rate);
+ else
+ avpriv_set_pts_info(st, 33, 1, 90000);
+ }
+
+ switch (par->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- if (codec->sample_rate <= 0) {
+ if (par->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR, "sample rate not set\n");
ret = AVERROR(EINVAL);
goto fail;
}
- if (!codec->block_align)
- codec->block_align = codec->channels *
- av_get_bits_per_sample(codec->codec_id) >> 3;
+ if (!par->block_align)
+ par->block_align = par->channels *
+ av_get_bits_per_sample(par->codec_id) >> 3;
break;
case AVMEDIA_TYPE_VIDEO:
- if (codec->time_base.num <= 0 ||
- codec->time_base.den <= 0) { //FIXME audio too?
- av_log(s, AV_LOG_ERROR, "time base not set\n");
- ret = AVERROR(EINVAL);
- goto fail;
- }
-
- if ((codec->width <= 0 || codec->height <= 0) &&
+ if ((par->width <= 0 || par->height <= 0) &&
!(of->flags & AVFMT_NODIMENSIONS)) {
av_log(s, AV_LOG_ERROR, "dimensions not set\n");
ret = AVERROR(EINVAL);
}
if (av_cmp_q(st->sample_aspect_ratio,
- codec->sample_aspect_ratio)) {
- av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between muxer "
- "(%d/%d) and encoder layer (%d/%d)\n",
- st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
- codec->sample_aspect_ratio.num,
- codec->sample_aspect_ratio.den);
- ret = AVERROR(EINVAL);
- goto fail;
+ par->sample_aspect_ratio)) {
+ if (st->sample_aspect_ratio.num != 0 &&
+ st->sample_aspect_ratio.den != 0 &&
+ par->sample_aspect_ratio.den != 0 &&
+ par->sample_aspect_ratio.den != 0) {
+ av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between muxer "
+ "(%d/%d) and encoder layer (%d/%d)\n",
+ st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
+ par->sample_aspect_ratio.num,
+ par->sample_aspect_ratio.den);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
}
break;
}
+ desc = avcodec_descriptor_get(par->codec_id);
+ if (desc && desc->props & AV_CODEC_PROP_REORDER)
+ st->internal->reorder = 1;
+
if (of->codec_tag) {
- if (codec->codec_tag &&
- codec->codec_id == AV_CODEC_ID_RAWVIDEO &&
- !av_codec_get_tag(of->codec_tag, codec->codec_id) &&
+ if (par->codec_tag &&
+ par->codec_id == AV_CODEC_ID_RAWVIDEO &&
+ !av_codec_get_tag(of->codec_tag, par->codec_id) &&
!validate_codec_tag(s, st)) {
// the current rawvideo encoding system ends up setting
// the wrong codec_tag for avi, we override it here
- codec->codec_tag = 0;
+ par->codec_tag = 0;
}
- if (codec->codec_tag) {
+ if (par->codec_tag) {
if (!validate_codec_tag(s, st)) {
char tagbuf[32];
- av_get_codec_tag_string(tagbuf, sizeof(tagbuf), codec->codec_tag);
+ av_get_codec_tag_string(tagbuf, sizeof(tagbuf), par->codec_tag);
av_log(s, AV_LOG_ERROR,
"Tag %s/0x%08x incompatible with output codec id '%d'\n",
- tagbuf, codec->codec_tag, codec->codec_id);
+ tagbuf, par->codec_tag, par->codec_id);
ret = AVERROR_INVALIDDATA;
goto fail;
}
} else
- codec->codec_tag = av_codec_get_tag(of->codec_tag, codec->codec_id);
+ par->codec_tag = av_codec_get_tag(of->codec_tag, par->codec_id);
}
- if (of->flags & AVFMT_GLOBALHEADER &&
- !(codec->flags & CODEC_FLAG_GLOBAL_HEADER))
- av_log(s, AV_LOG_WARNING,
- "Codec for stream %d does not use global headers "
- "but container format requires global headers\n", i);
+ if (par->codec_type != AVMEDIA_TYPE_ATTACHMENT)
+ s->internal->nb_interleaved_streams++;
}
if (!s->priv_data && of->priv_data_size > 0) {
}
/* set muxer identification string */
- if (s->nb_streams && !(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {
+ if (!(s->flags & AVFMT_FLAG_BITEXACT)) {
av_dict_set(&s->metadata, "encoder", LIBAVFORMAT_IDENT, 0);
}
return ret;
}
-static int init_pts(AVFormatContext *s)
-{
- int i;
- AVStream *st;
-
- /* init PTS generation */
- for (i = 0; i < s->nb_streams; i++) {
- int64_t den = AV_NOPTS_VALUE;
- st = s->streams[i];
-
- switch (st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- den = (int64_t)st->time_base.num * st->codec->sample_rate;
- break;
- case AVMEDIA_TYPE_VIDEO:
- den = (int64_t)st->time_base.num * st->codec->time_base.den;
- break;
- default:
- break;
- }
- if (den != AV_NOPTS_VALUE) {
- if (den <= 0)
- return AVERROR_INVALIDDATA;
-
- frac_init(&st->pts, 0, 0, den);
- }
- }
-
- return 0;
-}
-
int avformat_write_header(AVFormatContext *s, AVDictionary **options)
{
int ret = 0;
return ret;
}
- if ((ret = init_pts(s)) < 0)
- return ret;
+ if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO) {
+ if (s->oformat->flags & (AVFMT_TS_NEGATIVE | AVFMT_NOTIMESTAMPS)) {
+ s->avoid_negative_ts = 0;
+ } else
+ s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE;
+ }
return 0;
}
+#if FF_API_COMPUTE_PKT_FIELDS2
+FF_DISABLE_DEPRECATION_WARNINGS
//FIXME merge with compute_pkt_fields
static int compute_pkt_fields2(AVFormatContext *s, AVStream *st, AVPacket *pkt)
{
int delay = FFMAX(st->codec->has_b_frames, !!st->codec->max_b_frames);
- int num, den, frame_size, i;
+ int num, den, i;
+
+ if (!s->internal->missing_ts_warning &&
+ !(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
+ (pkt->pts == AV_NOPTS_VALUE || pkt->dts == AV_NOPTS_VALUE)) {
+ av_log(s, AV_LOG_WARNING,
+ "Timestamps are unset in a packet for stream %d. "
+ "This is deprecated and will stop working in the future. "
+ "Fix your code to set the timestamps properly\n", st->index);
+ s->internal->missing_ts_warning = 1;
+ }
- av_dlog(s, "compute_pkt_fields2: pts:%" PRId64 " dts:%" PRId64 " cur_dts:%" PRId64 " b:%d size:%d st:%d\n",
+ av_log(s, AV_LOG_TRACE, "compute_pkt_fields2: pts:%" PRId64 " dts:%" PRId64 " cur_dts:%" PRId64 " b:%d size:%d st:%d\n",
pkt->pts, pkt->dts, st->cur_dts, delay, pkt->size, pkt->stream_index);
/* if(pkt->pts == AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE)
/* duration field */
if (pkt->duration == 0) {
- ff_compute_frame_duration(&num, &den, st, NULL, pkt);
+ ff_compute_frame_duration(s, &num, &den, st, NULL, pkt);
if (den && num) {
pkt->duration = av_rescale(1, num * (int64_t)st->time_base.den * st->codec->ticks_per_frame, den * (int64_t)st->time_base.num);
}
if (pkt->pts == AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && delay == 0)
pkt->pts = pkt->dts;
- //XXX/FIXME this is a temporary hack until all encoders output pts
- if ((pkt->pts == 0 || pkt->pts == AV_NOPTS_VALUE) && pkt->dts == AV_NOPTS_VALUE && !delay) {
- pkt->dts =
-// pkt->pts= st->cur_dts;
- pkt->pts = st->pts.val;
- }
-
//calculate dts from pts
if (pkt->pts != AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY) {
st->pts_buffer[0] = pkt->pts;
return AVERROR(EINVAL);
}
if (pkt->dts != AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE && pkt->pts < pkt->dts) {
- av_log(s, AV_LOG_ERROR, "pts < dts in stream %d\n", st->index);
+ av_log(s, AV_LOG_ERROR,
+ "pts %" PRId64 " < dts %" PRId64 " in stream %d\n",
+ pkt->pts, pkt->dts,
+ st->index);
return AVERROR(EINVAL);
}
- av_dlog(s, "av_write_frame: pts2:%"PRId64" dts2:%"PRId64"\n",
+ av_log(s, AV_LOG_TRACE, "av_write_frame: pts2:%"PRId64" dts2:%"PRId64"\n",
pkt->pts, pkt->dts);
st->cur_dts = pkt->dts;
- st->pts.val = pkt->dts;
-
- /* update pts */
- switch (st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- frame_size = ff_get_audio_frame_size(st->codec, pkt->size, 1);
-
- /* HACK/FIXME, we skip the initial 0 size packets as they are most
- * likely equal to the encoder delay, but it would be better if we
- * had the real timestamps from the encoder */
- if (frame_size >= 0 && (pkt->size || st->pts.num != st->pts.den >> 1 || st->pts.val)) {
- frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
+
+ return 0;
+}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+/*
+ * FIXME: this function should NEVER get undefined pts/dts beside when the
+ * AVFMT_NOTIMESTAMPS is set.
+ * Those additional safety checks should be dropped once the correct checks
+ * are set in the callers.
+ */
+
+static int write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ int ret;
+ if (s->avoid_negative_ts > 0) {
+ AVRational time_base = s->streams[pkt->stream_index]->time_base;
+ int64_t offset = 0;
+
+ if (s->internal->offset == AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE &&
+ (pkt->dts < 0 || s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)) {
+ s->internal->offset = -pkt->dts;
+ s->internal->offset_timebase = time_base;
+ }
+ if (s->internal->offset != AV_NOPTS_VALUE)
+ offset = av_rescale_q(s->internal->offset, s->internal->offset_timebase, time_base);
+
+ if (pkt->dts != AV_NOPTS_VALUE)
+ pkt->dts += offset;
+ if (pkt->pts != AV_NOPTS_VALUE)
+ pkt->pts += offset;
+
+ if (pkt->dts != AV_NOPTS_VALUE && pkt->dts < 0) {
+ av_log(s, AV_LOG_WARNING,
+ "Packets poorly interleaved, failed to avoid negative "
+ "timestamp %"PRId64" in stream %d.\n"
+ "Try -max_interleave_delta 0 as a possible workaround.\n",
+ pkt->dts, pkt->stream_index);
+ }
+ }
+ ret = s->oformat->write_packet(s, pkt);
+
+ if (s->pb && ret >= 0) {
+ if (s->flags & AVFMT_FLAG_FLUSH_PACKETS)
+ avio_flush(s->pb);
+ if (s->pb->error < 0)
+ ret = s->pb->error;
+ }
+
+ return ret;
+}
+
+static int check_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ if (!pkt)
+ return 0;
+
+ if (pkt->stream_index < 0 || pkt->stream_index >= s->nb_streams) {
+ av_log(s, AV_LOG_ERROR, "Invalid packet stream index: %d\n",
+ pkt->stream_index);
+ return AVERROR(EINVAL);
+ }
+
+ if (s->streams[pkt->stream_index]->codecpar->codec_type == AVMEDIA_TYPE_ATTACHMENT) {
+ av_log(s, AV_LOG_ERROR, "Received a packet for an attachment stream.\n");
+ return AVERROR(EINVAL);
+ }
+
+ return 0;
+}
+
+static int prepare_input_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ int ret;
+
+ ret = check_packet(s, pkt);
+ if (ret < 0)
+ return ret;
+
+#if !FF_API_COMPUTE_PKT_FIELDS2
+ /* 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 */
+ if (!st->internal->reorder) {
+ if (pkt->pts == AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE)
+ pkt->pts = pkt->dts;
+ if (pkt->dts == AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE)
+ pkt->dts = pkt->pts;
+ }
+
+ /* check that the timestamps are set */
+ if (pkt->pts == AV_NOPTS_VALUE || pkt->dts == AV_NOPTS_VALUE) {
+ av_log(s, AV_LOG_ERROR,
+ "Timestamps are unset in a packet for stream %d\n", st->index);
+ return AVERROR(EINVAL);
+ }
+
+ /* check that the dts are increasing (or at least non-decreasing,
+ * if the format allows it */
+ if (st->cur_dts != AV_NOPTS_VALUE &&
+ ((!(s->oformat->flags & AVFMT_TS_NONSTRICT) && st->cur_dts >= pkt->dts) ||
+ st->cur_dts > pkt->dts)) {
+ av_log(s, AV_LOG_ERROR,
+ "Application provided invalid, non monotonically increasing "
+ "dts to muxer in stream %d: %" PRId64 " >= %" PRId64 "\n",
+ st->index, st->cur_dts, pkt->dts);
+ return AVERROR(EINVAL);
+ }
+
+ if (pkt->pts < pkt->dts) {
+ av_log(s, AV_LOG_ERROR, "pts %" PRId64 " < dts %" PRId64 " in stream %d\n",
+ pkt->pts, pkt->dts, st->index);
+ return AVERROR(EINVAL);
}
- break;
- case AVMEDIA_TYPE_VIDEO:
- frac_add(&st->pts, (int64_t)st->time_base.den * st->codec->time_base.num);
- break;
- default:
- break;
}
+#endif
+
return 0;
}
{
int ret;
+ ret = prepare_input_packet(s, pkt);
+ if (ret < 0)
+ return ret;
+
if (!pkt) {
if (s->oformat->flags & AVFMT_ALLOW_FLUSH)
return s->oformat->write_packet(s, pkt);
return 1;
}
+#if FF_API_COMPUTE_PKT_FIELDS2
ret = compute_pkt_fields2(s, s->streams[pkt->stream_index], pkt);
if (ret < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
return ret;
+#endif
- ret = s->oformat->write_packet(s, pkt);
+ ret = write_packet(s, pkt);
if (ret >= 0)
s->streams[pkt->stream_index]->nb_frames++;
return ret;
}
-void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
- int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
+int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
+ int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
{
+ int ret;
AVPacketList **next_point, *this_pktl;
this_pktl = av_mallocz(sizeof(AVPacketList));
- this_pktl->pkt = *pkt;
-#if FF_API_DESTRUCT_PACKET
- pkt->destruct = NULL; // do not free original but only the copy
-#endif
- pkt->buf = NULL;
- av_dup_packet(&this_pktl->pkt); // duplicate the packet if it uses non-alloced memory
+ if (!this_pktl)
+ return AVERROR(ENOMEM);
+
+ if ((ret = av_packet_ref(&this_pktl->pkt, pkt)) < 0) {
+ av_free(this_pktl);
+ return ret;
+ }
if (s->streams[pkt->stream_index]->last_in_packet_buffer) {
next_point = &(s->streams[pkt->stream_index]->last_in_packet_buffer->next);
} else
- next_point = &s->packet_buffer;
+ next_point = &s->internal->packet_buffer;
if (*next_point) {
- if (compare(s, &s->packet_buffer_end->pkt, pkt)) {
+ if (compare(s, &s->internal->packet_buffer_end->pkt, pkt)) {
while (!compare(s, &(*next_point)->pkt, pkt))
next_point = &(*next_point)->next;
goto next_non_null;
} else {
- next_point = &(s->packet_buffer_end->next);
+ next_point = &(s->internal->packet_buffer_end->next);
}
}
assert(!*next_point);
- s->packet_buffer_end = this_pktl;
+ s->internal->packet_buffer_end = this_pktl;
next_non_null:
this_pktl->next = *next_point;
s->streams[pkt->stream_index]->last_in_packet_buffer =
*next_point = this_pktl;
+
+ av_packet_unref(pkt);
+
+ return 0;
}
-static int ff_interleave_compare_dts(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
+static int interleave_compare_dts(AVFormatContext *s, AVPacket *next,
+ AVPacket *pkt)
{
AVStream *st = s->streams[pkt->stream_index];
AVStream *st2 = s->streams[next->stream_index];
{
AVPacketList *pktl;
int stream_count = 0;
- int i;
+ int i, ret;
if (pkt) {
- ff_interleave_add_packet(s, pkt, ff_interleave_compare_dts);
+ if ((ret = ff_interleave_add_packet(s, pkt, interleave_compare_dts)) < 0)
+ return ret;
}
- for (i = 0; i < s->nb_streams; i++)
- stream_count += !!s->streams[i]->last_in_packet_buffer;
+ if (s->max_interleave_delta > 0 && s->internal->packet_buffer && !flush) {
+ AVPacket *top_pkt = &s->internal->packet_buffer->pkt;
+ int64_t delta_dts = INT64_MIN;
+ int64_t top_dts = av_rescale_q(top_pkt->dts,
+ s->streams[top_pkt->stream_index]->time_base,
+ AV_TIME_BASE_Q);
+
+ for (i = 0; i < s->nb_streams; i++) {
+ int64_t last_dts;
+ const AVPacketList *last = s->streams[i]->last_in_packet_buffer;
+
+ if (!last)
+ continue;
+
+ last_dts = av_rescale_q(last->pkt.dts,
+ s->streams[i]->time_base,
+ AV_TIME_BASE_Q);
+ delta_dts = FFMAX(delta_dts, last_dts - top_dts);
+ stream_count++;
+ }
- if (stream_count && (s->nb_streams == stream_count || flush)) {
- pktl = s->packet_buffer;
+ if (delta_dts > s->max_interleave_delta) {
+ av_log(s, AV_LOG_DEBUG,
+ "Delay between the first packet and last packet in the "
+ "muxing queue is %"PRId64" > %"PRId64": forcing output\n",
+ delta_dts, s->max_interleave_delta);
+ flush = 1;
+ }
+ } else {
+ for (i = 0; i < s->nb_streams; i++)
+ stream_count += !!s->streams[i]->last_in_packet_buffer;
+ }
+
+
+ if (stream_count && (s->internal->nb_interleaved_streams == stream_count || flush)) {
+ pktl = s->internal->packet_buffer;
*out = pktl->pkt;
- s->packet_buffer = pktl->next;
- if (!s->packet_buffer)
- s->packet_buffer_end = NULL;
+ s->internal->packet_buffer = pktl->next;
+ if (!s->internal->packet_buffer)
+ s->internal->packet_buffer_end = NULL;
if (s->streams[out->stream_index]->last_in_packet_buffer == pktl)
s->streams[out->stream_index]->last_in_packet_buffer = NULL;
if (s->oformat->interleave_packet) {
int ret = s->oformat->interleave_packet(s, out, in, flush);
if (in)
- av_free_packet(in);
+ av_packet_unref(in);
return ret;
} else
return ff_interleave_packet_per_dts(s, out, in, flush);
{
int ret, flush = 0;
+ ret = prepare_input_packet(s, pkt);
+ if (ret < 0)
+ goto fail;
+
if (pkt) {
AVStream *st = s->streams[pkt->stream_index];
- //FIXME/XXX/HACK drop zero sized packets
- if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->size == 0)
- return 0;
-
- av_dlog(s, "av_interleaved_write_frame size:%d dts:%" PRId64 " pts:%" PRId64 "\n",
+ av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame size:%d dts:%" PRId64 " pts:%" PRId64 "\n",
pkt->size, pkt->dts, pkt->pts);
+#if FF_API_COMPUTE_PKT_FIELDS2
if ((ret = compute_pkt_fields2(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
- return ret;
+ goto fail;
+#endif
- if (pkt->dts == AV_NOPTS_VALUE && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
- return AVERROR(EINVAL);
+ if (pkt->dts == AV_NOPTS_VALUE && !(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
} else {
- av_dlog(s, "av_interleaved_write_frame FLUSH\n");
+ av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame FLUSH\n");
flush = 1;
}
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 ?
return ret;
- ret = s->oformat->write_packet(s, &opkt);
+ ret = write_packet(s, &opkt);
if (ret >= 0)
s->streams[opkt.stream_index]->nb_frames++;
- av_free_packet(&opkt);
- pkt = NULL;
+ av_packet_unref(&opkt);
if (ret < 0)
return ret;
}
+fail:
+ av_packet_unref(pkt);
+ return ret;
}
int av_write_trailer(AVFormatContext *s)
if (!ret)
break;
- ret = s->oformat->write_packet(s, &pkt);
+ ret = write_packet(s, &pkt);
if (ret >= 0)
s->streams[pkt.stream_index]->nb_frames++;
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
if (ret < 0)
goto fail;
if (s->oformat->write_trailer)
ret = s->oformat->write_trailer(s);
- if (!(s->oformat->flags & AVFMT_NOFILE))
+ if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_flush(s->pb);
fail:
av_freep(&s->priv_data);
return ret;
}
+
+int ff_write_chained(AVFormatContext *dst, int dst_stream, AVPacket *pkt,
+ AVFormatContext *src)
+{
+ AVPacket local_pkt;
+
+ local_pkt = *pkt;
+ local_pkt.stream_index = dst_stream;
+ if (pkt->pts != AV_NOPTS_VALUE)
+ local_pkt.pts = av_rescale_q(pkt->pts,
+ src->streams[pkt->stream_index]->time_base,
+ dst->streams[dst_stream]->time_base);
+ if (pkt->dts != AV_NOPTS_VALUE)
+ local_pkt.dts = av_rescale_q(pkt->dts,
+ src->streams[pkt->stream_index]->time_base,
+ dst->streams[dst_stream]->time_base);
+ return av_write_frame(dst, &local_pkt);
+}
projects / ffmpeg / blobdiff