void ReadEntry(MP4File& file, uint32_t index) {
// Each table has a size, followed by the length field
// first, read the length
m_pProperties[0]->Read(file, index);
MP4IntegerProperty *pIntProp = (MP4IntegerProperty *)m_pProperties[0];
// set the size in the bytes property
MP4BytesProperty *pBytesProp = (MP4BytesProperty *)m_pProperties[1];
pBytesProp->SetValueSize(pIntProp->GetValue(index), index);
// And read the bytes
m_pProperties[1]->Read(file, index);
};
//
// Clone - clone my properties to destination atom
//
// this method simplifies duplicating avcC atom properties from
// source to destination file using a single API rather than
// having to copy each property. This API encapsulates the object
// so the application layer need not concern with each property
// thereby isolating any future changes to atom properties.
//
// ----------------------------------------
// property description
// ----------------------------------------
//
// 0 configurationVersion
// 1 AVCProfileIndication
// 2 profile_compatibility
// 3 AVCLevelIndication
// 4 reserved
// 5 lengthSizeMinusOne
// 6 reserved
// 7 number of SPS
// 8 SPS entries
// 9 number of PPS
// 10 PPS entries
//
//
void MP4HvcCAtom::Clone(MP4HvcCAtom *dstAtom)
{
#if 1 //cwm
MP4Property *dstProperty;
MP4TableProperty *pTable;
uint16_t i16;
uint64_t i32;
uint64_t i64;
uint8_t *tmp;
// source pointer Property I16
MP4Integer16Property *spPI16;
// source pointer Property Bytes
MP4BytesProperty *spPB;
// dest pointer Property I16
MP4Integer16Property *dpPI16;
// dest pointer Property Bytes
MP4BytesProperty *dpPB;
// start with defaults and reserved fields
dstAtom->Generate();
// 0, 4, 6 are now generated from defaults
// leaving 1, 2, 3, 5, 7, 8, 9, 10 to export
dstProperty=dstAtom->GetProperty(1);
((MP4Integer8Property *)dstProperty)->SetValue(
0x12);//((MP4Integer8Property *)m_pProperties[1])->GetValue()
dstProperty=dstAtom->GetProperty(2);
((MP4Integer8Property *)dstProperty)->SetValue(
0x34);//((MP4Integer8Property *)m_pProperties[2])->GetValue()
dstProperty=dstAtom->GetProperty(3);
((MP4Integer8Property *)dstProperty)->SetValue(
((MP4Integer8Property *)m_pProperties[3])->GetValue());
dstProperty=dstAtom->GetProperty(5);
((MP4BitfieldProperty *)dstProperty)->SetValue(
((MP4BitfieldProperty *)m_pProperties[5])->GetValue());
//
// 7 and 8 are related SPS (one set of sequence parameters)
//
// first the count bitfield
//
dstProperty=dstAtom->GetProperty(7);
dstProperty->SetReadOnly(false);
((MP4BitfieldProperty *)dstProperty)->SetValue(
((MP4BitfieldProperty *)m_pProperties[7])->GetValue());
dstProperty->SetReadOnly(true);
// next export SPS Length and NAL bytes */
// first source pointers
pTable = (MP4TableProperty *) m_pProperties[8];
spPI16 = (MP4Integer16Property *)pTable->GetProperty(0);
spPB = (MP4BytesProperty *)pTable->GetProperty(1);
// now dest pointers
dstProperty=dstAtom->GetProperty(8);
pTable = (MP4TableProperty *) dstProperty;
dpPI16 = (MP4Integer16Property *)pTable->GetProperty(0);
dpPB = (MP4BytesProperty *)pTable->GetProperty(1);
// sps length
i16 = spPI16->GetValue();
i64 = i16;
// FIXME - this leaves m_maxNumElements =2
// but src atom m_maxNumElements is 1
dpPI16->InsertValue(i64, 0);
// export byte array
i32 = i16;
// copy bytes to local buffer
tmp = (uint8_t *)MP4Malloc(i32);
ASSERT(tmp != NULL);
spPB->CopyValue(tmp, 0);
// set element count
dpPB->SetCount(1);
// copy bytes
dpPB->SetValue(tmp, i32, 0);
MP4Free((void *)tmp);
//
// 9 and 10 are related PPS (one set of picture parameters)
//
// first the integer8 count
//
dstProperty=dstAtom->GetProperty(9);
dstProperty->SetReadOnly(false);
((MP4Integer8Property *)dstProperty)->SetValue(
((MP4Integer8Property *)m_pProperties[9])->GetValue());
dstProperty->SetReadOnly(true);
// next export PPS Length and NAL bytes */
// first source pointers
pTable = (MP4TableProperty *) m_pProperties[10];
spPI16 = (MP4Integer16Property *)pTable->GetProperty(0);
spPB = (MP4BytesProperty *)pTable->GetProperty(1);
// now dest pointers
dstProperty=dstAtom->GetProperty(10);
pTable = (MP4TableProperty *) dstProperty;
dpPI16 = (MP4Integer16Property *)pTable->GetProperty(0);
dpPB = (MP4BytesProperty *)pTable->GetProperty(1);
#if 1//cwm 500
// pps length
i16 = spPI16->GetValue();
i64 = i16;
dpPI16->InsertValue(i64, 0);
// export byte array
i32 = i16;
// copy bytes to local buffer
tmp = (uint8_t *)MP4Malloc(i32);
ASSERT(tmp != NULL);
spPB->CopyValue(tmp, 0);
// set element count
dpPB->SetCount(1);
// copy bytes
dpPB->SetValue(tmp, i32, 0);
MP4Free((void *)tmp);
#endif //cwm 500
#endif //cwm
}
void MP4HvcCAtom::Generate()
{
MP4Atom::Generate();
#if 0 //cwm 322
uint8_t *out_buf = NULL;
uint32_t out_size = 0;
if(NULL != m_File.m_pPsData)
{
mov_write_hvcc_tag(m_File.m_pPsData, m_File.m_ui32PsDataSize, &out_buf, &out_size);
m_pProperties[0]->SetReadOnly(false);
((MP4BytesProperty*)m_pProperties[0])->
SetValue(out_buf, out_size);
m_pProperties[0]->SetReadOnly(true);
m_File.m_ui32PsDataSize = 0;
free(m_File.m_pPsData);
}
#else //cwm 322
((MP4Integer8Property*)m_pProperties[0])->SetValue(1);
#if 0 //cwm 351
((MP4Integer8Property*)m_pProperties[0])->SetValue(1);
m_pProperties[4]->SetReadOnly(false);
((MP4BitfieldProperty*)m_pProperties[4])->SetValue(0x3f);
m_pProperties[4]->SetReadOnly(true);
m_pProperties[6]->SetReadOnly(false);
((MP4BitfieldProperty*)m_pProperties[6])->SetValue(0x7);
m_pProperties[6]->SetReadOnly(true);
#endif //cwm 351
#if 0 //cwm 389
const uint8_t buffer[4] = {0x12, 0x34, 0x56, 0x78};
MP4BytesProperty *pUnit;
if(this->FindProperty("hvcC.sequenceEntries.sequenceParameterSetNALUnit",
(MP4Property **)&pUnit) == false)
{
PrintInfo("hvcC.sequenceEntries.sequenceParameterSetNALUnit failed");
}
pUnit->AddValue(buffer, sizeof(buffer));
#endif //cwm 389
#if 0 //cwm_add 336
uint8_t *out_buf = NULL;
uint32_t out_size = 0;
if(NULL != m_File.m_pPsData)
{
mov_write_hvcc_tag(m_File.m_pPsData, m_File.m_ui32PsDataSize, &out_buf, &out_size);
m_pProperties[0]->SetReadOnly(false);
((MP4BytesProperty*)m_pProperties[0])->
SetValue(out_buf, out_size);
m_pProperties[0]->SetReadOnly(true);
m_File.m_ui32PsDataSize = 0;
free(m_File.m_pPsData);
}
#endif //cwm_add 336
#endif //cwm 322
}
MP4Descriptor* MP4File::CreateESD(
MP4DescriptorProperty* pEsProperty,
u_int32_t esid,
u_int8_t objectType,
u_int8_t streamType,
u_int32_t bufferSize,
u_int32_t bitrate,
u_int8_t* pConfig,
u_int32_t configLength,
char* url)
{
MP4IntegerProperty* pInt;
MP4StringProperty* pString;
MP4BytesProperty* pBytes;
MP4BitfieldProperty* pBits;
MP4Descriptor* pEsd =
pEsProperty->AddDescriptor(MP4ESDescrTag);
pEsd->Generate();
pEsd->FindProperty("ESID",
(MP4Property**)&pInt);
pInt->SetValue(esid);
pEsd->FindProperty("decConfigDescr.objectTypeId",
(MP4Property**)&pInt);
pInt->SetValue(objectType);
pEsd->FindProperty("decConfigDescr.streamType",
(MP4Property**)&pInt);
pInt->SetValue(streamType);
pEsd->FindProperty("decConfigDescr.bufferSizeDB",
(MP4Property**)&pInt);
pInt->SetValue(bufferSize);
pEsd->FindProperty("decConfigDescr.maxBitrate",
(MP4Property**)&pInt);
pInt->SetValue(bitrate);
pEsd->FindProperty("decConfigDescr.avgBitrate",
(MP4Property**)&pInt);
pInt->SetValue(bitrate);
MP4DescriptorProperty* pConfigDescrProperty;
pEsd->FindProperty("decConfigDescr.decSpecificInfo",
(MP4Property**)&pConfigDescrProperty);
MP4Descriptor* pConfigDescr =
pConfigDescrProperty->AddDescriptor(MP4DecSpecificDescrTag);
pConfigDescr->Generate();
pConfigDescrProperty->FindProperty("decSpecificInfo[0].info",
(MP4Property**)&pBytes);
pBytes->SetValue(pConfig, configLength);
pEsd->FindProperty("slConfigDescr.predefined",
(MP4Property**)&pInt);
// changed 12/5/02 from plugfest to value 0
pInt->SetValue(0);
pEsd->FindProperty("slConfig.useAccessUnitEndFlag",
(MP4Property **)&pBits);
pBits->SetValue(1);
if (url) {
pEsd->FindProperty("URLFlag",
(MP4Property**)&pInt);
pInt->SetValue(1);
pEsd->FindProperty("URL",
(MP4Property**)&pString);
pString->SetValue(url);
}
return pEsd;
}