void DRV_AviSoundUpdate(void* soundData, int soundLen)
{
if(!AVI_IsRecording() || !avi_file->sound_added)
return;
const int audioSegmentSize = avi_audiosegment_size(avi_file);
const int samplesPerSegment = audioSegmentSize / avi_file->wave_format.nBlockAlign;
const int soundSize = soundLen * avi_file->wave_format.nBlockAlign;
int nBytes = soundSize;
while (avi_file->audio_buffer_pos + nBytes > audioSegmentSize) {
const int bytesToTransfer = audioSegmentSize - avi_file->audio_buffer_pos;
memcpy(&avi_file->audio_buffer[avi_file->audio_buffer_pos], &((u8*)soundData)[soundSize - nBytes], bytesToTransfer);
nBytes -= bytesToTransfer;
if(FAILED(AVIStreamWrite(avi_file->compressed_streams[AUDIO_STREAM],
avi_file->sound_samples, samplesPerSegment,
avi_file->audio_buffer, audioSegmentSize, 0, NULL, &avi_file->ByteBuffer)))
{
avi_file->valid = 0;
return;
}
avi_file->sound_samples += samplesPerSegment;
avi_file->tBytes += avi_file->ByteBuffer;
avi_file->audio_buffer_pos = 0;
}
memcpy(&avi_file->audio_buffer[avi_file->audio_buffer_pos], &((u8*)soundData)[soundSize - nBytes], nBytes);
avi_file->audio_buffer_pos += nBytes;
}
void AVIAddSoundSamples(void* sound_data, const int num_samples, struct AVIFile* avi_out)
{
if(!avi_out->valid ||
!avi_out->sound_added)
{
return;
}
const int audioSegmentSize = avi_audiosegment_size(avi_out);
const int samplesPerSegment = audioSegmentSize / avi_out->wave_format.nBlockAlign;
const int soundSize = num_samples * avi_out->wave_format.nBlockAlign;
int nBytes = soundSize;
while (avi_out->audio_buffer_pos + nBytes > audioSegmentSize) {
const int bytesToTransfer = audioSegmentSize - avi_out->audio_buffer_pos;
memcpy(&avi_out->audio_buffer[avi_out->audio_buffer_pos], &((BYTE*)sound_data)[soundSize - nBytes], bytesToTransfer);
nBytes -= bytesToTransfer;
if(FAILED(AVIStreamWrite(avi_out->compressed_streams[AUDIO_STREAM],
avi_out->sound_samples, samplesPerSegment,
avi_out->audio_buffer, audioSegmentSize, 0, NULL, &avi_out->ByteBuffer)))
{
avi_out->valid = false;
return;
}
avi_out->sound_samples += samplesPerSegment;
avi_out->tBytes += avi_out->ByteBuffer;
avi_out->audio_buffer_pos = 0;
}
memcpy(&avi_out->audio_buffer[avi_out->audio_buffer_pos], &((BYTE*)sound_data)[soundSize - nBytes], nBytes);
avi_out->audio_buffer_pos += nBytes;
}