M4Err UpdateSample(MediaAtom *mdia, u32 sampleNumber, u32 size, u32 CTS, u64 offset, u8 isRap)
{
u32 i;
SampleTableAtom *stbl = mdia->information->sampleTable;
//set size, offset, RAP, CTS ...
stbl_SetSampleSize(stbl->SampleSize, sampleNumber, size);
stbl_SetChunkOffset(mdia, sampleNumber, offset);
//do we have a CTS?
if (stbl->CompositionOffset) {
stbl_SetSampleCTS(stbl, sampleNumber, CTS);
} else {
//do we need one ??
if (CTS) {
stbl->CompositionOffset = (CompositionOffsetAtom *) CreateAtom(CompositionOffsetAtomType);
stbl_AddCTS(stbl, sampleNumber, CTS);
}
}
//do we have a sync ???
if (stbl->SyncSample) {
stbl_SetSampleRAP(stbl->SyncSample, sampleNumber, isRap);
} else {
//do we need one
if (! isRap) {
stbl->SyncSample = (SyncSampleAtom *) CreateAtom(SyncSampleAtomType);
//what a pain: all the sample we had have to be sync ...
for (i=0; i<stbl->SampleSize->sampleCount; i++) {
if (i+1 != sampleNumber) stbl_AddRAP(stbl->SyncSample, i+1);
}
}
}
return M4OK;
}
GF_Err UpdateSample(GF_MediaBox *mdia, u32 sampleNumber, u32 size, u32 CTS, u64 offset, u8 isRap)
{
u32 i;
GF_SampleTableBox *stbl = mdia->information->sampleTable;
//set size, offset, RAP, CTS ...
stbl_SetSampleSize(stbl->SampleSize, sampleNumber, size);
stbl_SetChunkOffset(mdia, sampleNumber, offset);
//do we have a CTS?
if (stbl->CompositionOffset) {
stbl_SetSampleCTS(stbl, sampleNumber, CTS);
} else {
//do we need one ??
if (CTS) {
stbl->CompositionOffset = (GF_CompositionOffsetBox *) gf_isom_box_new(GF_ISOM_BOX_TYPE_CTTS);
stbl_AddCTS(stbl, sampleNumber, CTS);
}
}
//do we have a sync ???
if (stbl->SyncSample) {
stbl_SetSampleRAP(stbl->SyncSample, sampleNumber, isRap);
} else {
//do we need one
if (! isRap) {
stbl->SyncSample = (GF_SyncSampleBox *) gf_isom_box_new(GF_ISOM_BOX_TYPE_STSS);
//what a pain: all the sample we had have to be sync ...
for (i=0; i<stbl->SampleSize->sampleCount; i++) {
if (i+1 != sampleNumber) stbl_AddRAP(stbl->SyncSample, i+1);
}
}
}
if (isRap==2) {
stbl_SetRedundant(stbl, sampleNumber);
}
return GF_OK;
}
