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Merge commit '50ff0c05b691524d1fd044a2f2eefb706932fc98'

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* commit '50ff0c05b691524d1fd044a2f2eefb706932fc98':
  movenc: Support writing multiple trun atoms

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-16 21:52:54 +01:00
commit 312eb0d66f
1 changed files with 16 additions and 8 deletions
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24
libavformat/movenc.c
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@ -3402,18 +3402,19 @@ static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
}
static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
MOVTrack *track, int moof_size)
MOVTrack *track, int moof_size,
int first, int end)
{
int64_t pos = avio_tell(pb);
uint32_t flags = MOV_TRUN_DATA_OFFSET;
int i;
for (i = 0; i < track->entry; i++) {
for (i = first; i < end; i++) {
if (get_cluster_duration(track, i) != track->default_duration)
flags |= MOV_TRUN_SAMPLE_DURATION;
if (track->cluster[i].size != track->default_size)
flags |= MOV_TRUN_SAMPLE_SIZE;
if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
flags |= MOV_TRUN_SAMPLE_FLAGS;
}
if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
@ -3427,18 +3428,18 @@ static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
avio_w8(pb, 0); /* version */
avio_wb24(pb, flags);
avio_wb32(pb, track->entry); /* sample count */
avio_wb32(pb, end - first); /* sample count */
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
!mov->first_trun)
avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
else
avio_wb32(pb, moof_size + 8 + track->data_offset +
track->cluster[0].pos); /* data offset */
track->cluster[first].pos); /* data offset */
if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
for (i = 0; i < track->entry; i++) {
for (i = first; i < end; i++) {
if (flags & MOV_TRUN_SAMPLE_DURATION)
avio_wb32(pb, get_cluster_duration(track, i));
if (flags & MOV_TRUN_SAMPLE_SIZE)
@ -3577,13 +3578,20 @@ static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
int moof_size)
{
int64_t pos = avio_tell(pb);
int i, start = 0;
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "traf");
mov_write_tfhd_tag(pb, mov, track, moof_offset);
if (mov->mode != MODE_ISM)
mov_write_tfdt_tag(pb, track);
mov_write_trun_tag(pb, mov, track, moof_size);
for (i = 1; i < track->entry; i++) {
if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
mov_write_trun_tag(pb, mov, track, moof_size, start, i);
start = i;
}
}
mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
if (mov->mode == MODE_ISM) {
mov_write_tfxd_tag(pb, track);