ga_Sound* ga_sound_create_sample_source(ga_SampleSource* in_sampleSrc)
{
ga_Sound* ret = 0;
ga_Format format;
gc_int32 dataSize;
gc_int32 totalSamples;
ga_SampleSource* sampleSrc = in_sampleSrc;
gc_int32 sampleSize;
ga_sample_source_format(sampleSrc, &format);
sampleSize = ga_format_sampleSize(&format);
ga_sample_source_tell(sampleSrc, &totalSamples);
if(totalSamples > 0)
{
/* Known total samples*/
char* data;
ga_Memory* memory;
dataSize = sampleSize * totalSamples;
data = gcX_ops->allocFunc(dataSize);
ga_sample_source_read(sampleSrc, data, totalSamples, 0, 0);
memory = gaX_memory_create(data, dataSize, 0);
if(memory)
{
ret = ga_sound_create(memory, &format);
if(!ret)
ga_memory_release(memory);
}
else
gcX_ops->freeFunc(data);
}
else
{
/* Unknown total samples */
gc_int32 BUFFER_SAMPLES = format.sampleRate * 2;
char* data = 0;
ga_Memory* memory;
totalSamples = 0;
while(!ga_sample_source_end(sampleSrc))
{
gc_int32 numSamplesRead;
data = gcX_ops->reallocFunc(data, (totalSamples + BUFFER_SAMPLES) * sampleSize);
numSamplesRead = ga_sample_source_read(sampleSrc, data + (totalSamples * sampleSize), BUFFER_SAMPLES, 0, 0);
if(numSamplesRead < BUFFER_SAMPLES)
{
data = gcX_ops->reallocFunc(data, (totalSamples + numSamplesRead) * sampleSize);
}
totalSamples += numSamplesRead;
}
memory = gaX_memory_create(data, totalSamples * sampleSize, 0);
if(memory)
{
ret = ga_sound_create(memory, &format);
if(!ret)
ga_memory_release(memory);
}
else
gcX_ops->freeFunc(data);
}
return ret;
}
void gauX_data_source_memory_close(void* in_context)
{
gau_DataSourceMemoryContext* ctx = (gau_DataSourceMemoryContext*)in_context;
ga_memory_release(ctx->memory);
gc_mutex_destroy(ctx->memMutex);
}
static void gaX_sound_destroy(ga_Sound* in_sound)
{
ga_memory_release(in_sound->memory);
gcX_ops->freeFunc(in_sound);
}
