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movenc: Allow the caller to decide on fragmentation 

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-01-20 19:29:33 +02:00
parent f1caf01d5e
commit b613ff5e93
2 changed files with 21 additions and 8 deletions
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28
libavformat/movenc.c
View File

@ -48,6 +48,7 @@ static const AVOption options[] = {
{ "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
@ -2366,7 +2367,7 @@ static int mov_flush_fragment(AVFormatContext *s)
return 0;
}
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
{
MOVMuxContext *mov = s->priv_data;
AVIOContext *pb = s->pb;
@ -2504,6 +2505,16 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
return 0;
}
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
{
if (!pkt) {
mov_flush_fragment(s);
return 1;
} else {
return mov_write_packet_internal(s, pkt);
}
}
// QuickTime chapters involve an additional text track with the chapter names
// as samples, and a tref pointing from the other tracks to the chapter one.
static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
@ -2685,7 +2696,8 @@ static int mov_write_header(AVFormatContext *s)
* enabled. */
if (mov->max_fragment_duration || mov->max_fragment_size ||
mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
FF_MOV_FLAG_FRAG_KEYFRAME))
FF_MOV_FLAG_FRAG_KEYFRAME |
FF_MOV_FLAG_FRAG_CUSTOM))
mov->flags |= FF_MOV_FLAG_FRAGMENT;
if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
@ -2794,7 +2806,7 @@ AVOutputFormat ff_mov_muxer = {
.write_header = mov_write_header,
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
.priv_class = &mov_muxer_class,
};
@ -2811,7 +2823,7 @@ AVOutputFormat ff_tgp_muxer = {
.write_header = mov_write_header,
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
.priv_class = &tgp_muxer_class,
};
@ -2833,7 +2845,7 @@ AVOutputFormat ff_mp4_muxer = {
.write_header = mov_write_header,
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
.priv_class = &mp4_muxer_class,
};
@ -2854,7 +2866,7 @@ AVOutputFormat ff_psp_muxer = {
.write_header = mov_write_header,
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
.priv_class = &psp_muxer_class,
};
@ -2871,7 +2883,7 @@ AVOutputFormat ff_tg2_muxer = {
.write_header = mov_write_header,
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
.priv_class = &tg2_muxer_class,
};
@ -2889,7 +2901,7 @@ AVOutputFormat ff_ipod_muxer = {
.write_header = mov_write_header,
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
.codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
.priv_class = &ipod_muxer_class,
};

1
libavformat/movenc.h
View File

@ -144,6 +144,7 @@ typedef struct MOVMuxContext {
#define FF_MOV_FLAG_EMPTY_MOOV 4
#define FF_MOV_FLAG_FRAG_KEYFRAME 8
#define FF_MOV_FLAG_SEPARATE_MOOF 16
#define FF_MOV_FLAG_FRAG_CUSTOM 32
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);