diff options
| -rw-r--r-- | libavformat/avformat.h | 1 | ||||
| -rw-r--r-- | libavformat/mux.c | 5 | ||||
| -rw-r--r-- | libavformat/options_table.h | 3 |
3 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h index 74915a1482..43b225bb5a 100644 --- a/libavformat/avformat.h +++ b/libavformat/avformat.h @@ -1449,6 +1449,7 @@ typedef struct AVFormatContext { #define AVFMT_FLAG_KEEP_SIDE_DATA 0x40000 ///< Don't merge side data but keep it separate. #define AVFMT_FLAG_FAST_SEEK 0x80000 ///< Enable fast, but inaccurate seeks for some formats #define AVFMT_FLAG_SHORTEST 0x100000 ///< Stop muxing when the shortest stream stops. +#define AVFMT_FLAG_AUTO_BSF 0x200000 ///< Wait for packet data before writing a header, and add bitstream filters as requested by the muxer /** * Maximum size of the data read from input for determining diff --git a/libavformat/mux.c b/libavformat/mux.c index 176af59f13..bbfc0fccb8 100644 --- a/libavformat/mux.c +++ b/libavformat/mux.c @@ -500,7 +500,7 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options) if ((ret = init_muxer(s, options)) < 0) return ret; - if (!s->oformat->check_bitstream) { + if (!(s->oformat->check_bitstream && s->flags & AVFMT_FLAG_AUTO_BSF)) { ret = write_header_internal(s); if (ret < 0) goto fail; @@ -830,6 +830,9 @@ 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) diff --git a/libavformat/options_table.h b/libavformat/options_table.h index 699809a84c..9d61d5a158 100644 --- a/libavformat/options_table.h +++ b/libavformat/options_table.h @@ -39,7 +39,7 @@ static const AVOption avformat_options[] = { {"probesize", "set probing size", OFFSET(probesize), AV_OPT_TYPE_INT64, {.i64 = 5000000 }, 32, INT64_MAX, D}, {"formatprobesize", "number of bytes to probe file format", OFFSET(format_probesize), AV_OPT_TYPE_INT, {.i64 = PROBE_BUF_MAX}, 0, INT_MAX-1, D}, {"packetsize", "set packet size", OFFSET(packet_size), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, E}, -{"fflags", NULL, OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = AVFMT_FLAG_FLUSH_PACKETS }, INT_MIN, INT_MAX, D|E, "fflags"}, +{"fflags", NULL, OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64 = AVFMT_FLAG_FLUSH_PACKETS | AVFMT_FLAG_AUTO_BSF }, INT_MIN, INT_MAX, D|E, "fflags"}, {"flush_packets", "reduce the latency by flushing out packets immediately", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_FLAG_FLUSH_PACKETS }, INT_MIN, INT_MAX, E, "fflags"}, {"ignidx", "ignore index", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_FLAG_IGNIDX }, INT_MIN, INT_MAX, D, "fflags"}, {"genpts", "generate pts", 0, AV_OPT_TYPE_CONST, {.i64 = AVFMT_FLAG_GENPTS }, INT_MIN, INT_MAX, D, "fflags"}, @@ -55,6 +55,7 @@ static const AVOption avformat_options[] = { {"seek2any", "allow seeking to non-keyframes on demuxer level when supported", OFFSET(seek2any), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, D}, {"bitexact", "do not write random/volatile data", 0, AV_OPT_TYPE_CONST, { .i64 = AVFMT_FLAG_BITEXACT }, 0, 0, E, "fflags" }, {"shortest", "stop muxing with the shortest stream", 0, AV_OPT_TYPE_CONST, { .i64 = AVFMT_FLAG_SHORTEST }, 0, 0, E, "fflags" }, +{"autobsf", "add needed bsfs automatically (delays header until each stream's first packet is written)", 0, AV_OPT_TYPE_CONST, { .i64 = AVFMT_FLAG_AUTO_BSF }, 0, 0, E, "fflags" }, {"analyzeduration", "specify how many microseconds are analyzed to probe the input", OFFSET(max_analyze_duration), AV_OPT_TYPE_INT64, {.i64 = 0 }, 0, INT64_MAX, D}, {"cryptokey", "decryption key", OFFSET(key), AV_OPT_TYPE_BINARY, {.dbl = 0}, 0, 0, D}, {"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), AV_OPT_TYPE_INT, {.i64 = 1<<20 }, 0, INT_MAX, D}, |