apps/ffmpeg-rockchip
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2025-12-24 11:52:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

movenc: Add a min_frag_duration option

Browse Source 
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>
This commit is contained in:
Martin Storsjö
2012-03-19 19:31:15 +02:00
parent ccfa8aa26f
commit 39f5a5462c
3 changed files with 18 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
libavformat/movenc.c
View File

@@ -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) {

1
libavformat/movenc.h
View File

@@ -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;