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authorMartin Storsjö <martin@martin.st>2012-03-19 19:31:15 +0200
committerMartin Storsjö <martin@martin.st>2012-03-20 11:18:05 +0200
commit39f5a5462c07234453ad47a2a0158d390d4e42fc (patch)
tree9e947e3b65923cb1d6755e51b29f3330c6f20bd5 /libavformat
parentccfa8aa26f666372f47d69bc49e420a9b4239626 (diff)
downloadffmpeg-39f5a5462c07234453ad47a2a0158d390d4e42fc.tar.gz
movenc: Add a min_frag_duration option
The other fragmentation options (frag_duration, frag_size and frag_keyframe) are combined with OR, cutting fragments at the first of the conditions being fulfilled. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/movenc.c15
-rw-r--r--libavformat/movenc.h1
2 files changed, 11 insertions, 5 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 10bcedc66a..1209b7b114 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -56,6 +56,7 @@ static const AVOption options[] = {
{ "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},
{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
+ { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
@@ -2831,21 +2832,25 @@ static int mov_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
unsigned int samples_in_chunk = 0;
int size= pkt->size;
uint8_t *reformatted_data = NULL;
+ int64_t frag_duration = 0;
if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
return 0; /* Can't handle that */
if (!size) return 0; /* Discard 0 sized packets */
- if ((mov->max_fragment_duration && trk->entry &&
- av_rescale_q(pkt->dts - trk->cluster[0].dts,
- s->streams[pkt->stream_index]->time_base,
- AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
+ if (trk->entry)
+ frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
+ s->streams[pkt->stream_index]->time_base,
+ AV_TIME_BASE_Q);
+ if ((mov->max_fragment_duration &&
+ frag_duration >= mov->max_fragment_duration) ||
(mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
(mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
enc->codec_type == AVMEDIA_TYPE_VIDEO &&
trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
- mov_flush_fragment(s);
+ if (frag_duration >= mov->min_fragment_duration)
+ mov_flush_fragment(s);
}
if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
diff --git a/libavformat/movenc.h b/libavformat/movenc.h
index 350dbe04f2..3be43e0fc9 100644
--- a/libavformat/movenc.h
+++ b/libavformat/movenc.h
@@ -149,6 +149,7 @@ typedef struct MOVMuxContext {
int fragments;
int max_fragment_duration;
+ int min_fragment_duration;
int max_fragment_size;
int ism_lookahead;
AVIOContext *mdat_buf;