//stores the hint sample in the file
//set IsRandomAccessPoint if you want to indicate that this is a random access point
//in the stream
M4Err M4H_EndHintSample(M4File *the_file, u32 trackNumber, u8 IsRandomAccessPoint)
{
TrackAtom *trak;
HintSampleEntryAtom *entry;
u32 dataRefIndex;
M4Err e;
BitStream *bs;
M4Sample *samp;
trak = GetTrackFromFile(the_file, trackNumber);
if (!trak || !IsHintTrack(trak)) return M4BadParam;
e = Media_GetSampleDesc(trak->Media, trak->Media->information->sampleTable->currentEntryIndex, (SampleEntryAtom **) &entry, &dataRefIndex);
if (e) return e;
if (!entry->w_sample) return M4BadParam;
//first of all, we need to adjust the offset for data referenced IN THIS hint sample
//and get some PckSize
e = AdjustHintInfo(entry, trak->Media->information->sampleTable->SampleSize->sampleCount + 1);
if (e) return e;
//ok, let's write the sample
bs = NewBitStream(NULL, 0, BS_WRITE);
e = Write_HintSample(entry->w_sample, bs);
if (e) {
DeleteBitStream(bs);
return e;
}
BS_CutBuffer(bs);
samp = M4_NewSample();
samp->CTS_Offset = 0;
samp->IsRAP = IsRandomAccessPoint;
samp->DTS = entry->w_sample->TransmissionTime;
//get the sample
BS_GetContent(bs, (unsigned char **) &samp->data, &samp->dataLength);
DeleteBitStream(bs);
//finally add the sample
e = M4_AddSample(the_file, trackNumber, trak->Media->information->sampleTable->currentEntryIndex, samp);
M4_DeleteSample(&samp);
//and delete the sample in our entry ...
Del_HintSample(entry->w_sample);
entry->w_sample = NULL;
return e;
}
//stores the hint sample in the file
//set IsRandomAccessPoint if you want to indicate that this is a random access point
//in the stream
GF_Err gf_isom_end_hint_sample(GF_ISOFile *the_file, u32 trackNumber, u8 IsRandomAccessPoint)
{
GF_TrackBox *trak;
GF_HintSampleEntryBox *entry;
u32 dataRefIndex;
GF_Err e;
GF_BitStream *bs;
GF_ISOSample *samp;
trak = gf_isom_get_track_from_file(the_file, trackNumber);
if (!trak || !IsHintTrack(trak)) return GF_BAD_PARAM;
e = Media_GetSampleDesc(trak->Media, trak->Media->information->sampleTable->currentEntryIndex, (GF_SampleEntryBox **) &entry, &dataRefIndex);
if (e) return e;
if (!entry->hint_sample) return GF_BAD_PARAM;
//first of all, we need to adjust the offset for data referenced IN THIS hint sample
//and get some PckSize
e = AdjustHintInfo(entry, trak->Media->information->sampleTable->SampleSize->sampleCount + 1);
if (e) return e;
//ok, let's write the sample
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
e = gf_isom_hint_sample_write(entry->hint_sample, bs);
if (e) {
gf_bs_del(bs);
return e;
}
samp = gf_isom_sample_new();
samp->CTS_Offset = 0;
samp->IsRAP = IsRandomAccessPoint;
samp->DTS = entry->hint_sample->TransmissionTime;
//get the sample
gf_bs_get_content(bs, &samp->data, &samp->dataLength);
gf_bs_del(bs);
//finally add the sample
e = gf_isom_add_sample(the_file, trackNumber, trak->Media->information->sampleTable->currentEntryIndex, samp);
gf_isom_sample_del(&samp);
//and delete the sample in our entry ...
gf_isom_hint_sample_del(entry->hint_sample);
entry->hint_sample = NULL;
return e;
}
