/*
- * muxing functions for use within Libav
+ * muxing functions for use within FFmpeg
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#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 "network.h"
#endif
-#undef NDEBUG
-#include <assert.h>
-
/**
* @file
- * muxing functions for use within Libav
+ * muxing functions for use within libavformat
+ */
+
+/* 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(FFFrac *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(FFFrac *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;
+}
+
+AVRational ff_choose_timebase(AVFormatContext *s, AVStream *st, int min_precision)
+{
+ AVRational q;
+ int j;
+
+ q = st->time_base;
+
+ for (j=2; j<14; j+= 1+(j>2))
+ while (q.den / q.num < min_precision && q.num % j == 0)
+ q.num /= j;
+ while (q.den / q.num < min_precision && q.den < (1<<24))
+ q.den <<= 1;
+
+ return q;
+}
+
+enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
+{
+ AVCodecParameters *par = st->codecpar;
+ const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(par->format);
+
+ if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
+ return par->chroma_location;
+
+ if (pix_desc) {
+ if (pix_desc->log2_chroma_h == 0) {
+ return AVCHROMA_LOC_TOPLEFT;
+ } else if (pix_desc->log2_chroma_w == 1 && pix_desc->log2_chroma_h == 1) {
+ if (par->field_order == AV_FIELD_UNKNOWN || par->field_order == AV_FIELD_PROGRESSIVE) {
+ switch (par->codec_id) {
+ case AV_CODEC_ID_MJPEG:
+ case AV_CODEC_ID_MPEG1VIDEO: return AVCHROMA_LOC_CENTER;
+ }
+ }
+ if (par->field_order == AV_FIELD_UNKNOWN || par->field_order != AV_FIELD_PROGRESSIVE) {
+ switch (par->codec_id) {
+ case AV_CODEC_ID_MPEG2VIDEO: return AVCHROMA_LOC_LEFT;
+ }
+ }
+ }
+ }
+
+ return AVCHROMA_LOC_UNSPECIFIED;
+
+}
+
+int avformat_alloc_output_context2(AVFormatContext **avctx, AVOutputFormat *oformat,
+ const char *format, const char *filename)
+{
+ AVFormatContext *s = avformat_alloc_context();
+ int ret = 0;
+
+ *avctx = NULL;
+ if (!s)
+ goto nomem;
+
+ if (!oformat) {
+ if (format) {
+ oformat = av_guess_format(format, NULL, NULL);
+ if (!oformat) {
+ av_log(s, AV_LOG_ERROR, "Requested output format '%s' is not a suitable output format\n", format);
+ ret = AVERROR(EINVAL);
+ goto error;
+ }
+ } else {
+ oformat = av_guess_format(NULL, filename, NULL);
+ if (!oformat) {
+ ret = AVERROR(EINVAL);
+ av_log(s, AV_LOG_ERROR, "Unable to find a suitable output format for '%s'\n",
+ filename);
+ goto error;
+ }
+ }
+ }
+
+ s->oformat = oformat;
+ if (s->oformat->priv_data_size > 0) {
+ s->priv_data = av_mallocz(s->oformat->priv_data_size);
+ if (!s->priv_data)
+ goto nomem;
+ if (s->oformat->priv_class) {
+ *(const AVClass**)s->priv_data= s->oformat->priv_class;
+ av_opt_set_defaults(s->priv_data);
+ }
+ } else
+ s->priv_data = NULL;
+
+ if (filename)
+ av_strlcpy(s->filename, filename, sizeof(s->filename));
+ *avctx = s;
+ return 0;
+nomem:
+ av_log(s, AV_LOG_ERROR, "Out of memory\n");
+ ret = AVERROR(ENOMEM);
+error:
+ avformat_free_context(s);
+ return ret;
+}
static int validate_codec_tag(AVFormatContext *s, AVStream *st)
{
const AVCodecTag *avctag;
int n;
enum AVCodecID id = AV_CODEC_ID_NONE;
- unsigned int tag = 0;
+ int64_t tag = -1;
/**
* Check that tag + id is in the table
}
if (id != AV_CODEC_ID_NONE)
return 0;
- if (tag && (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL))
+ if (tag >= 0 && (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL))
return 0;
return 1;
}
AVCodecParameters *par = NULL;
AVOutputFormat *of = s->oformat;
const AVCodecDescriptor *desc;
+ AVDictionaryEntry *e;
if (options)
av_dict_copy(&tmp, *options, 0);
if ((ret = av_opt_set_dict(s, &tmp)) < 0)
goto fail;
+ if (s->priv_data && s->oformat->priv_class && *(const AVClass**)s->priv_data==s->oformat->priv_class &&
+ (ret = av_opt_set_dict2(s->priv_data, &tmp, AV_OPT_SEARCH_CHILDREN)) < 0)
+ goto fail;
-#if FF_API_LAVF_BITEXACT
+#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
- if (s->nb_streams && s->streams[0]->codec->flags & AV_CODEC_FLAG_BITEXACT)
- s->flags |= AVFMT_FLAG_BITEXACT;
+ if (s->nb_streams && s->streams[0]->codec->flags & AV_CODEC_FLAG_BITEXACT) {
+ if (!(s->flags & AVFMT_FLAG_BITEXACT)) {
+#if FF_API_LAVF_BITEXACT
+ av_log(s, AV_LOG_WARNING,
+ "Setting the AVFormatContext to bitexact mode, because "
+ "the AVCodecContext is in that mode. This behavior will "
+ "change in the future. To keep the current behavior, set "
+ "AVFormatContext.flags |= AVFMT_FLAG_BITEXACT.\n");
+ s->flags |= AVFMT_FLAG_BITEXACT;
+#else
+ av_log(s, AV_LOG_WARNING,
+ "The AVFormatContext is not in set to bitexact mode, only "
+ "the AVCodecContext. If this is not intended, set "
+ "AVFormatContext.flags |= AVFMT_FLAG_BITEXACT.\n");
+#endif
+ }
+ }
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");
+ av_log(s, AV_LOG_ERROR, "No streams to mux were specified\n");
ret = AVERROR(EINVAL);
goto fail;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
+ /* update internal context from codecpar, old bsf api needs this
+ * FIXME: remove when autobsf uses new bsf API */
+ ret = avcodec_parameters_to_context(st->internal->avctx, st->codecpar);
+ if (ret < 0)
+ goto fail;
+
if (!st->time_base.num) {
/* fall back on the default timebase values */
if (par->codec_type == AVMEDIA_TYPE_AUDIO && par->sample_rate)
ret = AVERROR(EINVAL);
goto fail;
}
-
- if (av_cmp_q(st->sample_aspect_ratio,
- par->sample_aspect_ratio)) {
+ if (av_cmp_q(st->sample_aspect_ratio, par->sample_aspect_ratio)
+ && fabs(av_q2d(st->sample_aspect_ratio) - av_q2d(par->sample_aspect_ratio)) > 0.004*av_q2d(st->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.num != 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);
+ "(%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;
}
st->internal->reorder = 1;
if (of->codec_tag) {
- 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)) {
+ if ( par->codec_tag
+ && par->codec_id == AV_CODEC_ID_RAWVIDEO
+ && ( av_codec_get_tag(of->codec_tag, par->codec_id) == 0
+ || av_codec_get_tag(of->codec_tag, par->codec_id) == MKTAG('r', 'a', 'w', ' '))
+ && !validate_codec_tag(s, st)) {
// the current rawvideo encoding system ends up setting
- // the wrong codec_tag for avi, we override it here
+ // the wrong codec_tag for avi/mov, we override it here
par->codec_tag = 0;
}
if (par->codec_tag) {
if (!validate_codec_tag(s, st)) {
- char tagbuf[32];
+ char tagbuf[32], tagbuf2[32];
av_get_codec_tag_string(tagbuf, sizeof(tagbuf), par->codec_tag);
+ av_get_codec_tag_string(tagbuf2, sizeof(tagbuf2), av_codec_get_tag(s->oformat->codec_tag, par->codec_id));
av_log(s, AV_LOG_ERROR,
- "Tag %s/0x%08x incompatible with output codec id '%d'\n",
- tagbuf, par->codec_tag, par->codec_id);
+ "Tag %s/0x%08x incompatible with output codec id '%d' (%s)\n",
+ tagbuf, par->codec_tag, par->codec_id, tagbuf2);
ret = AVERROR_INVALIDDATA;
goto fail;
}
if (of->priv_class) {
*(const AVClass **)s->priv_data = of->priv_class;
av_opt_set_defaults(s->priv_data);
- if ((ret = av_opt_set_dict(s->priv_data, &tmp)) < 0)
+ if ((ret = av_opt_set_dict2(s->priv_data, &tmp, AV_OPT_SEARCH_CHILDREN)) < 0)
goto fail;
}
}
/* set muxer identification string */
if (!(s->flags & AVFMT_FLAG_BITEXACT)) {
av_dict_set(&s->metadata, "encoder", LIBAVFORMAT_IDENT, 0);
+ } else {
+ av_dict_set(&s->metadata, "encoder", NULL, 0);
+ }
+
+ for (e = NULL; e = av_dict_get(s->metadata, "encoder-", e, AV_DICT_IGNORE_SUFFIX); ) {
+ av_dict_set(&s->metadata, e->key, NULL, 0);
}
if (options) {
*options = tmp;
}
+ if (s->oformat->init && (ret = s->oformat->init(s)) < 0) {
+ s->oformat->deinit(s);
+ goto fail;
+ }
+
return 0;
fail:
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->codecpar->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ den = (int64_t)st->time_base.num * st->codecpar->sample_rate;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ den = (int64_t)st->time_base.num * st->time_base.den;
+ break;
+ default:
+ break;
+ }
+
+ if (!st->priv_pts)
+ st->priv_pts = av_mallocz(sizeof(*st->priv_pts));
+ if (!st->priv_pts)
+ return AVERROR(ENOMEM);
+
+ if (den != AV_NOPTS_VALUE) {
+ if (den <= 0)
+ return AVERROR_INVALIDDATA;
+
+ frac_init(st->priv_pts, 0, 0, den);
+ }
+ }
+
+ return 0;
+}
+
int avformat_write_header(AVFormatContext *s, AVDictionary **options)
{
int ret = 0;
- if (ret = init_muxer(s, options))
+ if ((ret = init_muxer(s, options)) < 0)
return ret;
- if (s->oformat->write_header) {
+ if (s->oformat->write_header && !s->oformat->check_bitstream) {
ret = s->oformat->write_header(s);
+ if (ret >= 0 && s->pb && s->pb->error < 0)
+ ret = s->pb->error;
if (ret < 0)
return ret;
+ if (s->flush_packets && s->pb && s->pb->error >= 0 && s->flags & AVFMT_FLAG_FLUSH_PACKETS)
+ avio_flush(s->pb);
+ s->internal->header_written = 1;
}
- if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO) {
+ if ((ret = init_pts(s)) < 0)
+ return ret;
+
+ if (s->avoid_negative_ts < 0) {
+ av_assert2(s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO);
if (s->oformat->flags & (AVFMT_TS_NEGATIVE | AVFMT_NOTIMESTAMPS)) {
s->avoid_negative_ts = 0;
} else
return 0;
}
+#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_DISABLE_DEPRECATION_WARNINGS
//FIXME merge with compute_pkt_fields
-static int compute_pkt_fields2(AVFormatContext *s, AVStream *st, AVPacket *pkt)
+static int compute_muxer_pkt_fields(AVFormatContext *s, AVStream *st, AVPacket *pkt)
{
- int delay = FFMAX(st->codec->has_b_frames, !!st->codec->max_b_frames);
+ int delay = FFMAX(st->codecpar->video_delay, st->internal->avctx->max_b_frames > 0);
int num, den, i;
+ int frame_size;
if (!s->internal->missing_ts_warning &&
!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
s->internal->missing_ts_warning = 1;
}
- 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 (s->debug & FF_FDEBUG_TS)
+ av_log(s, AV_LOG_TRACE, "compute_muxer_pkt_fields: pts:%s dts:%s cur_dts:%s b:%d size:%d st:%d\n",
+ av_ts2str(pkt->pts), av_ts2str(pkt->dts), av_ts2str(st->cur_dts), delay, pkt->size, pkt->stream_index);
-/* if(pkt->pts == AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE)
- * return AVERROR(EINVAL);*/
+ if (pkt->duration < 0 && st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) {
+ av_log(s, AV_LOG_WARNING, "Packet with invalid duration %"PRId64" in stream %d\n",
+ pkt->duration, pkt->stream_index);
+ pkt->duration = 0;
+ }
/* duration field */
if (pkt->duration == 0) {
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) {
+ static int warned;
+ if (!warned) {
+ av_log(s, AV_LOG_WARNING, "Encoder did not produce proper pts, making some up.\n");
+ warned = 1;
+ }
+ pkt->dts =
+// pkt->pts= st->cur_dts;
+ pkt->pts = st->priv_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;
if (st->cur_dts && st->cur_dts != AV_NOPTS_VALUE &&
((!(s->oformat->flags & AVFMT_TS_NONSTRICT) &&
+ st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE &&
+ st->codecpar->codec_type != AVMEDIA_TYPE_DATA &&
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);
+ "Application provided invalid, non monotonically increasing dts to muxer in stream %d: %s >= %s\n",
+ st->index, av_ts2str(st->cur_dts), av_ts2str(pkt->dts));
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 %" PRId64 " < dts %" PRId64 " in stream %d\n",
- pkt->pts, pkt->dts,
+ "pts (%s) < dts (%s) in stream %d\n",
+ av_ts2str(pkt->pts), av_ts2str(pkt->dts),
st->index);
return AVERROR(EINVAL);
}
- av_log(s, AV_LOG_TRACE, "av_write_frame: pts2:%"PRId64" dts2:%"PRId64"\n",
- pkt->pts, pkt->dts);
- st->cur_dts = pkt->dts;
+ if (s->debug & FF_FDEBUG_TS)
+ av_log(s, AV_LOG_TRACE, "av_write_frame: pts2:%s dts2:%s\n",
+ av_ts2str(pkt->pts), av_ts2str(pkt->dts));
+ st->cur_dts = pkt->dts;
+ st->priv_pts->val = pkt->dts;
+
+ /* update pts */
+ switch (st->codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ frame_size = (pkt->flags & AV_PKT_FLAG_UNCODED_FRAME) ?
+ ((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
+ * 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->priv_pts->num != st->priv_pts->den >> 1 || st->priv_pts->val)) {
+ frac_add(st->priv_pts, (int64_t)st->time_base.den * frame_size);
+ }
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ frac_add(st->priv_pts, (int64_t)st->time_base.den * st->time_base.num);
+ break;
+ }
return 0;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
-/*
+/**
+ * Make timestamps non negative, move side data from payload to internal struct, call muxer, and restore
+ * sidedata.
+ *
* 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;
+ int ret, did_split;
+
+ if (s->output_ts_offset) {
+ AVStream *st = s->streams[pkt->stream_index];
+ int64_t offset = av_rescale_q(s->output_ts_offset, AV_TIME_BASE_Q, st->time_base);
+
+ if (pkt->dts != AV_NOPTS_VALUE)
+ pkt->dts += offset;
+ if (pkt->pts != AV_NOPTS_VALUE)
+ pkt->pts += offset;
+ }
+
if (s->avoid_negative_ts > 0) {
- AVRational time_base = s->streams[pkt->stream_index]->time_base;
- int64_t offset = 0;
+ AVStream *st = s->streams[pkt->stream_index];
+ int64_t offset = st->mux_ts_offset;
+ int64_t ts = s->internal->avoid_negative_ts_use_pts ? pkt->pts : pkt->dts;
- 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 && ts != AV_NOPTS_VALUE &&
+ (ts < 0 || s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)) {
+ s->internal->offset = -ts;
+ s->internal->offset_timebase = st->time_base;
+ }
+
+ if (s->internal->offset != AV_NOPTS_VALUE && !offset) {
+ offset = st->mux_ts_offset =
+ av_rescale_q_rnd(s->internal->offset,
+ s->internal->offset_timebase,
+ st->time_base,
+ AV_ROUND_UP);
}
- 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);
+ if (s->internal->avoid_negative_ts_use_pts) {
+ if (pkt->pts != AV_NOPTS_VALUE && pkt->pts < 0) {
+ av_log(s, AV_LOG_WARNING, "failed to avoid negative "
+ "pts %s in stream %d.\n"
+ "Try -avoid_negative_ts 1 as a possible workaround.\n",
+ av_ts2str(pkt->dts),
+ pkt->stream_index
+ );
+ }
+ } else {
+ av_assert2(pkt->dts == AV_NOPTS_VALUE || pkt->dts >= 0 || s->max_interleave_delta > 0);
+ if (pkt->dts != AV_NOPTS_VALUE && pkt->dts < 0) {
+ av_log(s, AV_LOG_WARNING,
+ "Packets poorly interleaved, failed to avoid negative "
+ "timestamp %s in stream %d.\n"
+ "Try -max_interleave_delta 0 as a possible workaround.\n",
+ av_ts2str(pkt->dts),
+ pkt->stream_index
+ );
+ }
}
}
- ret = s->oformat->write_packet(s, pkt);
+
+ did_split = av_packet_split_side_data(pkt);
+
+ if (!s->internal->header_written && s->oformat->write_header) {
+ ret = s->oformat->write_header(s);
+ if (ret >= 0 && s->pb && s->pb->error < 0)
+ ret = s->pb->error;
+ if (ret < 0)
+ goto fail;
+ if (s->flush_packets && s->pb && s->pb->error >= 0 && s->flags & AVFMT_FLAG_FLUSH_PACKETS)
+ avio_flush(s->pb);
+ s->internal->header_written = 1;
+ }
+
+ 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);
+ } else {
+ ret = s->oformat->write_packet(s, pkt);
+ }
if (s->pb && ret >= 0) {
- if (s->flags & AVFMT_FLAG_FLUSH_PACKETS)
+ if (s->flush_packets && s->flags & AVFMT_FLAG_FLUSH_PACKETS)
avio_flush(s->pb);
if (s->pb->error < 0)
ret = s->pb->error;
}
+fail:
+ if (did_split)
+ av_packet_merge_side_data(pkt);
+
return ret;
}
return ret;
if (!pkt) {
- if (s->oformat->flags & AVFMT_ALLOW_FLUSH)
- return s->oformat->write_packet(s, pkt);
+ if (s->oformat->flags & AVFMT_ALLOW_FLUSH) {
+ ret = s->oformat->write_packet(s, NULL);
+ if (s->flush_packets && s->pb && s->pb->error >= 0 && s->flags & AVFMT_FLAG_FLUSH_PACKETS)
+ avio_flush(s->pb);
+ if (ret >= 0 && s->pb && s->pb->error < 0)
+ ret = s->pb->error;
+ return ret;
+ }
return 1;
}
#if FF_API_COMPUTE_PKT_FIELDS2
- ret = compute_pkt_fields2(s, s->streams[pkt->stream_index], pkt);
+ ret = compute_muxer_pkt_fields(s, s->streams[pkt->stream_index], pkt);
if (ret < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
return ret;
#endif
ret = write_packet(s, pkt);
+ if (ret >= 0 && s->pb && s->pb->error < 0)
+ ret = s->pb->error;
if (ret >= 0)
s->streams[pkt->stream_index]->nb_frames++;
return ret;
}
+#define CHUNK_START 0x1000
+
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
{
int ret;
AVPacketList **next_point, *this_pktl;
+ AVStream *st = s->streams[pkt->stream_index];
+ int chunked = s->max_chunk_size || s->max_chunk_duration;
this_pktl = av_mallocz(sizeof(AVPacketList));
if (!this_pktl)
return AVERROR(ENOMEM);
-
- if ((ret = av_packet_ref(&this_pktl->pkt, pkt)) < 0) {
- av_free(this_pktl);
- return ret;
+ if ((pkt->flags & AV_PKT_FLAG_UNCODED_FRAME)) {
+ av_assert0(pkt->size == UNCODED_FRAME_PACKET_SIZE);
+ av_assert0(((AVFrame *)pkt->data)->buf);
+ this_pktl->pkt = *pkt;
+ pkt->buf = NULL;
+ pkt->side_data = NULL;
+ pkt->side_data_elems = 0;
+ } else {
+ 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 = &(st->last_in_packet_buffer->next);
+ } else {
next_point = &s->internal->packet_buffer;
+ }
+ if (chunked) {
+ uint64_t max= av_rescale_q_rnd(s->max_chunk_duration, AV_TIME_BASE_Q, st->time_base, AV_ROUND_UP);
+ st->interleaver_chunk_size += pkt->size;
+ st->interleaver_chunk_duration += pkt->duration;
+ if ( (s->max_chunk_size && st->interleaver_chunk_size > s->max_chunk_size)
+ || (max && st->interleaver_chunk_duration > max)) {
+ st->interleaver_chunk_size = 0;
+ this_pktl->pkt.flags |= CHUNK_START;
+ if (max && st->interleaver_chunk_duration > max) {
+ int64_t syncoffset = (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)*max/2;
+ int64_t syncto = av_rescale(pkt->dts + syncoffset, 1, max)*max - syncoffset;
+
+ st->interleaver_chunk_duration += (pkt->dts - syncto)/8 - max;
+ } else
+ st->interleaver_chunk_duration = 0;
+ }
+ }
if (*next_point) {
+ if (chunked && !(this_pktl->pkt.flags & CHUNK_START))
+ goto next_non_null;
+
if (compare(s, &s->internal->packet_buffer_end->pkt, pkt)) {
- while (!compare(s, &(*next_point)->pkt, pkt))
+ while ( *next_point
+ && ((chunked && !((*next_point)->pkt.flags&CHUNK_START))
+ || !compare(s, &(*next_point)->pkt, pkt)))
next_point = &(*next_point)->next;
- goto next_non_null;
+ if (*next_point)
+ goto next_non_null;
} else {
next_point = &(s->internal->packet_buffer_end->next);
}
}
- assert(!*next_point);
+ av_assert1(!*next_point);
s->internal->packet_buffer_end = this_pktl;
next_non_null:
AVStream *st2 = s->streams[next->stream_index];
int comp = av_compare_ts(next->dts, st2->time_base, pkt->dts,
st->time_base);
+ if (s->audio_preload && ((st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) != (st2->codecpar->codec_type == AVMEDIA_TYPE_AUDIO))) {
+ int64_t ts = av_rescale_q(pkt ->dts, st ->time_base, AV_TIME_BASE_Q) - s->audio_preload*(st ->codecpar->codec_type == AVMEDIA_TYPE_AUDIO);
+ int64_t ts2= av_rescale_q(next->dts, st2->time_base, AV_TIME_BASE_Q) - s->audio_preload*(st2->codecpar->codec_type == AVMEDIA_TYPE_AUDIO);
+ if (ts == ts2) {
+ ts= ( pkt ->dts* st->time_base.num*AV_TIME_BASE - s->audio_preload*(int64_t)(st ->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)* st->time_base.den)*st2->time_base.den
+ -( next->dts*st2->time_base.num*AV_TIME_BASE - s->audio_preload*(int64_t)(st2->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)*st2->time_base.den)* st->time_base.den;
+ ts2=0;
+ }
+ comp= (ts>ts2) - (ts<ts2);
+ }
if (comp == 0)
return pkt->stream_index < next->stream_index;
{
AVPacketList *pktl;
int stream_count = 0;
+ int noninterleaved_count = 0;
int i, ret;
if (pkt) {
return ret;
}
- if (s->max_interleave_delta > 0 && s->internal->packet_buffer && !flush) {
+ for (i = 0; i < s->nb_streams; i++) {
+ if (s->streams[i]->last_in_packet_buffer) {
+ ++stream_count;
+ } else if (s->streams[i]->codecpar->codec_type != AVMEDIA_TYPE_ATTACHMENT &&
+ s->streams[i]->codecpar->codec_id != AV_CODEC_ID_VP8 &&
+ s->streams[i]->codecpar->codec_id != AV_CODEC_ID_VP9) {
+ ++noninterleaved_count;
+ }
+ }
+
+ if (s->internal->nb_interleaved_streams == stream_count)
+ flush = 1;
+
+ if (s->max_interleave_delta > 0 &&
+ s->internal->packet_buffer &&
+ !flush &&
+ s->internal->nb_interleaved_streams == stream_count+noninterleaved_count
+ ) {
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[i]->time_base,
AV_TIME_BASE_Q);
delta_dts = FFMAX(delta_dts, last_dts - top_dts);
- stream_count++;
}
if (delta_dts > s->max_interleave_delta) {
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)) {
+ if (stream_count && flush) {
+ AVStream *st;
pktl = s->internal->packet_buffer;
*out = pktl->pkt;
+ st = s->streams[out->stream_index];
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 (st->last_in_packet_buffer == pktl)
+ st->last_in_packet_buffer = NULL;
av_freep(&pktl);
+
return 1;
} else {
av_init_packet(out);
if (pkt) {
AVStream *st = s->streams[pkt->stream_index];
- av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame size:%d dts:%" PRId64 " pts:%" PRId64 "\n",
- pkt->size, pkt->dts, pkt->pts);
+ if (s->oformat->check_bitstream) {
+ if (!st->internal->bitstream_checked) {
+ if ((ret = s->oformat->check_bitstream(s, pkt)) < 0)
+ goto fail;
+ else if (ret == 1)
+ st->internal->bitstream_checked = 1;
+ }
+ }
+
+ av_apply_bitstream_filters(st->internal->avctx, pkt, st->internal->bsfc);
+ if (pkt->size == 0 && pkt->side_data_elems == 0)
+ return 0;
+ if (!st->codecpar->extradata && st->internal->avctx->extradata) {
+ int eret = ff_alloc_extradata(st->codecpar, st->internal->avctx->extradata_size);
+ if (eret < 0)
+ return AVERROR(ENOMEM);
+ st->codecpar->extradata_size = st->internal->avctx->extradata_size;
+ memcpy(st->codecpar->extradata, st->internal->avctx->extradata, st->internal->avctx->extradata_size);
+ }
+
+ if (s->debug & FF_FDEBUG_TS)
+ av_log(s, AV_LOG_TRACE, "av_interleaved_write_frame size:%d dts:%s pts:%s\n",
+ pkt->size, av_ts2str(pkt->dts), av_ts2str(pkt->pts));
+
#if FF_API_COMPUTE_PKT_FIELDS2
- if ((ret = compute_pkt_fields2(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
+ if ((ret = compute_muxer_pkt_fields(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
goto fail;
#endif
if (ret < 0)
return ret;
+ if(s->pb && s->pb->error)
+ return s->pb->error;
}
fail:
av_packet_unref(pkt);
for (;; ) {
AVPacket pkt;
ret = interleave_packet(s, &pkt, NULL, 1);
- if (ret < 0) //FIXME cleanup needed for ret<0 ?
+ if (ret < 0)
goto fail;
if (!ret)
break;
if (ret < 0)
goto fail;
+ if(s->pb && s->pb->error)
+ goto fail;
}
- if (s->oformat->write_trailer)
+ if (!s->internal->header_written && s->oformat->write_header) {
+ ret = s->oformat->write_header(s);
+ if (ret >= 0 && s->pb && s->pb->error < 0)
+ ret = s->pb->error;
+ if (ret < 0)
+ goto fail;
+ if (s->flush_packets && s->pb && s->pb->error >= 0 && s->flags & AVFMT_FLAG_FLUSH_PACKETS)
+ avio_flush(s->pb);
+ s->internal->header_written = 1;
+ }
+
+fail:
+ if ((s->internal->header_written || !s->oformat->write_header) && s->oformat->write_trailer)
+ if (ret >= 0) {
ret = s->oformat->write_trailer(s);
+ } else {
+ s->oformat->write_trailer(s);
+ }
- if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
- avio_flush(s->pb);
+ if (s->oformat->deinit)
+ s->oformat->deinit(s);
-fail:
+ if (s->pb)
+ avio_flush(s->pb);
+ if (ret == 0)
+ ret = s->pb ? s->pb->error : 0;
for (i = 0; i < s->nb_streams; i++) {
av_freep(&s->streams[i]->priv_data);
av_freep(&s->streams[i]->index_entries);
return ret;
}
+int av_get_output_timestamp(struct AVFormatContext *s, int stream,
+ int64_t *dts, int64_t *wall)
+{
+ if (!s->oformat || !s->oformat->get_output_timestamp)
+ return AVERROR(ENOSYS);
+ s->oformat->get_output_timestamp(s, stream, dts, wall);
+ return 0;
+}
+
int ff_write_chained(AVFormatContext *dst, int dst_stream, AVPacket *pkt,
- AVFormatContext *src)
+ AVFormatContext *src, int interleave)
{
AVPacket local_pkt;
+ int ret;
local_pkt = *pkt;
local_pkt.stream_index = dst_stream;
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);
+ if (pkt->duration)
+ local_pkt.duration = av_rescale_q(pkt->duration,
+ src->streams[pkt->stream_index]->time_base,
+ dst->streams[dst_stream]->time_base);
+
+ if (interleave) ret = av_interleaved_write_frame(dst, &local_pkt);
+ else ret = av_write_frame(dst, &local_pkt);
+ pkt->buf = local_pkt.buf;
+ pkt->side_data = local_pkt.side_data;
+ pkt->side_data_elems = local_pkt.side_data_elems;
+ return ret;
+}
+
+static int av_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)
+ return AVERROR(ENOSYS);
+
+ if (!frame) {
+ pktp = NULL;
+ } else {
+ pktp = &pkt;
+ av_init_packet(&pkt);
+ pkt.data = (void *)frame;
+ pkt.size = UNCODED_FRAME_PACKET_SIZE;
+ pkt.pts =
+ pkt.dts = frame->pts;
+ pkt.duration = av_frame_get_pkt_duration(frame);
+ pkt.stream_index = stream_index;
+ pkt.flags |= AV_PKT_FLAG_UNCODED_FRAME;
+ }
+
+ return interleaved ? av_interleaved_write_frame(s, pktp) :
+ av_write_frame(s, pktp);
+}
+
+int av_write_uncoded_frame(AVFormatContext *s, int stream_index,
+ AVFrame *frame)
+{
+ return av_write_uncoded_frame_internal(s, stream_index, frame, 0);
+}
+
+int av_interleaved_write_uncoded_frame(AVFormatContext *s, int stream_index,
+ AVFrame *frame)
+{
+ return av_write_uncoded_frame_internal(s, stream_index, frame, 1);
+}
+
+int av_write_uncoded_frame_query(AVFormatContext *s, int stream_index)
+{
+ av_assert0(s->oformat);
+ if (!s->oformat->write_uncoded_frame)
+ return AVERROR(ENOSYS);
+ return s->oformat->write_uncoded_frame(s, stream_index, NULL,
+ AV_WRITE_UNCODED_FRAME_QUERY);
}
projects / ffmpeg / blobdiff