/*--------------------------------------------------------------------------------*/
bool ADMRIFFFile::CreateExtraChunks()
{
bool success = true;
if (adm)
{
RIFFChunk *chunk;
uint64_t chnalen;
uint8_t *chna;
uint_t i, nchannels = GetChannels();
success = true;
for (i = 0; i < nchannels; i++)
{
ADMAudioTrack *track;
// create chna track data
if ((track = adm->CreateTrack(i)) != NULL)
{
track->SetSampleRate(GetSampleRate());
track->SetBitDepth(GetBitsPerSample());
}
}
if (!admfile.empty())
{
// create ADM structure (content and objects from file)
if (adm->CreateFromFile(admfile.c_str()))
{
// can prepare cursors now since all objects have been created
PrepareCursors();
}
else
{
BBCERROR("Unable to create ADM structure from '%s'", admfile.c_str());
success = false;
}
}
// get ADM object to create chna chunk
if ((chna = adm->GetChna(chnalen)) != NULL)
{
// and add it to the RIFF file
if ((chunk = AddChunk(chna_ID)) != NULL)
{
success &= chunk->CreateChunkData(chna, chnalen);
}
else BBCERROR("Failed to add chna chunk");
// don't need the raw data any more
delete[] chna;
}
else BBCERROR("No chna data available");
success &= (AddChunk(axml_ID) != NULL);
}
return success;
}
/*--------------------------------------------------------------------------------*/
void ADMRIFFFile::Close(bool abortwrite)
{
EnhancedFile *file = fileref;
uint_t i;
if (file && adm && writing && !abortwrite)
{
RIFFChunk *chunk;
uint64_t endtime = filesamples ? filesamples->GetAbsolutePositionNS() : 0;
uint64_t chnalen;
uint8_t *chna;
BBCDEBUG1(("Finalising ADM for '%s'...", file->getfilename().c_str()));
BBCDEBUG1(("Finishing all blockformats"));
// complete BlockFormats on all channels
for (i = 0; i < cursors.size(); i++)
{
cursors[i]->Seek(endtime);
cursors[i]->EndChanges();
}
// finalise ADM
adm->Finalise();
// update audio object time limits
adm->UpdateAudioObjectLimits();
BBCDEBUG1(("Creating ADM RIFF chunks"));
// get ADM object to create chna chunk
if ((chna = adm->GetChna(chnalen)) != NULL)
{
// and add it to the RIFF file
if ((chunk = GetChunk(chna_ID)) != NULL)
{
if (!chunk->UpdateChunkData(chna, chnalen)) BBCERROR("Failed to update chna data (possibly length has changed)");
}
else BBCERROR("Failed to add chna chunk");
// don't need the raw data any more
delete[] chna;
}
else BBCERROR("No chna data available");
// add axml chunk
if ((chunk = GetChunk(axml_ID)) != NULL)
{
// first, calculate size of ADM (to save lots of memory allocations)
uint64_t admlen = adm->GetAxmlBuffer(NULL, 0);
BBCDEBUG1(("ADM size is %s bytes", StringFrom(admlen).c_str()));
// allocate chunk data
if (chunk->CreateChunkData(admlen))
{
// finally, generate XML into buffer
uint64_t admlen1 = adm->GetAxmlBuffer(chunk->GetDataWritable(), admlen);
if (admlen1 != admlen) BBCERROR("Generating axml data for real resulted in different size (%s vs %s)", StringFrom(admlen1).c_str(), StringFrom(admlen).c_str());
}
else BBCERROR("Failed to allocate %s bytes for axml data", StringFrom(admlen).c_str());
}
else BBCERROR("Failed to add axml chunk");
}
// write chunks and close file
RIFFFile::Close(abortwrite);
for (i = 0; i < cursors.size(); i++)
{
delete cursors[i];
}
cursors.clear();
if (adm)
{
adm->Delete();
delete adm;
adm = NULL;
}
}