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Merge commit '1384df641994bf3d6cb51084290aa94752737bae'
* commit '1384df641994bf3d6cb51084290aa94752737bae': lavf: Add an option for avoiding negative timestamps Conflicts: libavformat/avformat.h libavformat/mux.c libavformat/options_table.h libavformat/version.h See:3ba0dab76aSee:a89c012531Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
66e49ff3b9
@ -899,6 +899,9 @@ lavd 54.4.100 / 54.0.0, lavfi 3.5.0
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avresample_read() are now uint8_t** instead of void**.
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Libavresample is now stable.
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2012-09-26 - 3ba0dab7 / 1384df64 - lavf 54.29.101 / 56.06.3 - avformat.h
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Add AVFormatContext.avoid_negative_ts.
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2012-09-24 - 46a3595 / a42aada - lavc 54.59.100 / 54.28.0 - avcodec.h
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Add avcodec_free_frame(). This function must now
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be used for freeing an AVFrame.
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@ -1475,6 +1475,18 @@ typedef struct AVFormatContext {
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*/
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int max_ts_probe;
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/**
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* Avoid negative timestamps during muxing.
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* Any value of the AVFMT_AVOID_NEG_TS_* constants.
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* Note, this only works when using av_interleaved_write_frame. (interleave_packet_per_dts is in use)
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* - muxing: Set by user
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* - demuxing: unused
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*/
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int avoid_negative_ts;
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#define AVFMT_AVOID_NEG_TS_AUTO -1 ///< Enabled when required by target format
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#define AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE 1 ///< Shift timestamps so they are non negative
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#define AVFMT_AVOID_NEG_TS_MAKE_ZERO 2 ///< Shift timestamps so that they start at 0
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/**
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* Transport stream id.
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@ -1514,17 +1526,6 @@ typedef struct AVFormatContext {
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*/
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int use_wallclock_as_timestamps;
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/**
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* Avoid negative timestamps during muxing.
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* 0 -> allow negative timestamps
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* 1 -> avoid negative timestamps
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* -1 -> choose automatically (default)
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* Note, this only works when interleave_packet_per_dts is in use.
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* - encoding: Set by user via AVOptions (NO direct access)
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* - decoding: unused
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*/
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int avoid_negative_ts;
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/**
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* avio flags, used to force AVIO_FLAG_DIRECT.
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* - encoding: unused
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@ -419,10 +419,11 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options)
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return ret;
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if (s->avoid_negative_ts < 0) {
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av_assert2(s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO);
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if (s->oformat->flags & (AVFMT_TS_NEGATIVE | AVFMT_NOTIMESTAMPS)) {
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s->avoid_negative_ts = 0;
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} else
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s->avoid_negative_ts = 1;
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s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE;
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}
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return 0;
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@ -556,7 +557,8 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
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AVStream *st = s->streams[pkt->stream_index];
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int64_t offset = st->mux_ts_offset;
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if ((pkt->dts < 0 || s->avoid_negative_ts == 2) && pkt->dts != AV_NOPTS_VALUE && !s->offset) {
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if (!s->offset && pkt->dts != AV_NOPTS_VALUE &&
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(pkt->dts < 0 || s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)) {
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s->offset = -pkt->dts;
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s->offset_timebase = st->time_base;
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}
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@ -78,11 +78,6 @@ static const AVOption avformat_options[] = {
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{"compliant", "consider all spec non compliancies as errors", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_COMPLIANT }, INT_MIN, INT_MAX, D, "err_detect"},
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{"aggressive", "consider things that a sane encoder shouldn't do as an error", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_AGGRESSIVE }, INT_MIN, INT_MAX, D, "err_detect"},
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{"use_wallclock_as_timestamps", "use wallclock as timestamps", OFFSET(use_wallclock_as_timestamps), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX-1, D},
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{"avoid_negative_ts", "shift timestamps so they start at 0", OFFSET(avoid_negative_ts), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, E, "avoid_negative_ts"},
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{"auto", "enabled when required by target format", 0, AV_OPT_TYPE_CONST, {.i64 = -1 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"disabled", "do not change timestamps", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"make_zero", "shift timestamps so they start at 0", 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"make_non_negative", "shift timestamps so they are non negative", 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"skip_initial_bytes", "set number of bytes to skip before reading header and frames", OFFSET(skip_initial_bytes), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX-1, D},
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{"correct_ts_overflow", "correct single timestamp overflows", OFFSET(correct_ts_overflow), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, D},
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{"flush_packets", "enable flushing of the I/O context after each packet", OFFSET(flush_packets), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, E},
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@ -96,6 +91,11 @@ static const AVOption avformat_options[] = {
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{"unofficial", "allow unofficial extensions", 0, AV_OPT_TYPE_CONST, {.i64 = FF_COMPLIANCE_UNOFFICIAL }, INT_MIN, INT_MAX, D|E, "strict"},
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{"experimental", "allow non-standardized experimental variants", 0, AV_OPT_TYPE_CONST, {.i64 = FF_COMPLIANCE_EXPERIMENTAL }, INT_MIN, INT_MAX, D|E, "strict"},
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{"max_ts_probe", "maximum number of packets to read while waiting for the first timestamp", OFFSET(max_ts_probe), AV_OPT_TYPE_INT, { .i64 = 50 }, 0, INT_MAX, D },
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{"avoid_negative_ts", "shift timestamps so they start at 0", OFFSET(avoid_negative_ts), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, E, "avoid_negative_ts"},
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{"auto", "enabled when required by target format", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_AVOID_NEG_TS_AUTO }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"disabled", "do not change timestamps", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"make_non_negative", "shift timestamps so they are non negative", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"make_zero", "shift timestamps so they start at 0", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_AVOID_NEG_TS_MAKE_ZERO }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
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{"dump_separator", "set information dump field separator", OFFSET(dump_separator), AV_OPT_TYPE_STRING, {.str = ", "}, CHAR_MIN, CHAR_MAX, D|E},
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{"codec_whitelist", "List of decoders that are allowed to be used", OFFSET(codec_whitelist), AV_OPT_TYPE_STRING, { .str = NULL }, CHAR_MIN, CHAR_MAX, D },
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{"format_whitelist", "List of demuxers that are allowed to be used", OFFSET(format_whitelist), AV_OPT_TYPE_STRING, { .str = NULL }, CHAR_MIN, CHAR_MAX, D },
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@ -31,7 +31,7 @@
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#define LIBAVFORMAT_VERSION_MAJOR 56
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#define LIBAVFORMAT_VERSION_MINOR 12
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#define LIBAVFORMAT_VERSION_MICRO 101
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#define LIBAVFORMAT_VERSION_MICRO 102
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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