void SoftMP3::onPortFlushCompleted(OMX_U32 portIndex) {
if (portIndex == 0) {
// Make sure that the next buffer output does not still
// depend on fragments from the last one decoded.
pvmp3_InitDecoder(mConfig, mDecoderBuf);
}
}
static long aacd_opencoremp3_start( AACDInfo *info, unsigned char *buffer, unsigned long buffer_size)
{
AACD_TRACE( "start() buffer=%x size=%d", (*(unsigned long*)buffer), buffer_size );
AACDOpenCoreMP3 *oc = (AACDOpenCoreMP3*) info->ext;
tPVMP3DecoderExternal *pExt = oc->pExt;
// prepare the first samples buffer:
pExt->pOutputBuffer = malloc(4096 * sizeof(int16_t));
pExt->outputFrameSize = 4096;
pExt->pInputBuffer = buffer;
pExt->inputBufferMaxLength = buffer_size;
pExt->inputBufferCurrentLength = buffer_size;
pExt->inputBufferUsedLength = 0;
pExt->crcEnabled = 0;
pExt->equalizerType = flat;
pvmp3_InitDecoder( oc->pExt, oc->pMem );
int32_t status;
int frameDecoded = 0;
pExt->outputFrameSize = 0;
/* pre-init search adts sync */
while (pExt->outputFrameSize == 0) {
pExt->pInputBuffer = buffer;
pExt->inputBufferMaxLength = buffer_size;
pExt->inputBufferCurrentLength = buffer_size;
pExt->inputBufferUsedLength = 0;
pExt->outputFrameSize = 4096;
status = pvmp3_framedecoder(pExt, oc->pMem);
AACD_DEBUG( "start() Status[0]: %d - cosumed %d bytes", status, pExt->inputBufferUsedLength );
if (status != NO_DECODING_ERROR) {
buffer -= pExt->inputBufferUsedLength;
buffer_size -= pExt->inputBufferUsedLength;
}
else frameDecoded = 1;
if (buffer_size <= 64) break;
}
free(pExt->pOutputBuffer);
pExt->pOutputBuffer = NULL;
if (status != NO_DECODING_ERROR)
{
AACD_ERROR( "start() init failed status=%d", status );
return -1;
}
AACD_DEBUG( "start() bytesconsumed=%d", pExt->inputBufferUsedLength );
info->samplerate = pExt->samplingRate;
info->channels = pExt->num_channels;
return pExt->inputBufferUsedLength;
}
void SoftMP3::initDecoder() {
mConfig->equalizerType = flat;
mConfig->crcEnabled = false;
uint32_t memRequirements = pvmp3_decoderMemRequirements();
mDecoderBuf = malloc(memRequirements);
pvmp3_InitDecoder(mConfig, mDecoderBuf);
}
// Initialize the MP3 reader.
int mp3_init(audio_decoder_p decoder, void *dec_ext)
{
decoder->dec_ext = calloc(1, sizeof(tPVMP3DecoderExternal));
RETURN_VAL_IF_FAIL((decoder->dec_ext != NULL), AUDIO_DECODER_ERROR);
decoder->dec_mem = calloc(1, pvmp3_decoderMemRequirements());
RETURN_VAL_IF_FAIL((decoder->dec_mem != NULL), AUDIO_DECODER_ERROR);
*((tPVMP3DecoderExternal *) decoder->dec_ext) = *((tPVMP3DecoderExternal *) dec_ext);
pvmp3_resetDecoder(decoder->dec_mem);
pvmp3_InitDecoder((tPVMP3DecoderExternal *) decoder->dec_ext, decoder->dec_mem);
return AUDIO_DECODER_OK;
}
static long aacd_opencoremp3_start( AACDInfo *info, unsigned char *buffer, unsigned long buffer_size)
{
AACD_TRACE( "start() buffer=%x size=%d", (*(unsigned long*)buffer), buffer_size );
AACDOpenCoreMP3 *oc = (AACDOpenCoreMP3*) info->ext;
tPVMP3DecoderExternal *pExt = oc->pExt;
// prepare the first samples buffer:
//pExt->pOutputBuffer = malloc(4096 * sizeof(int16_t));
pExt->pOutputBuffer = aacd_prepare_samples( info, 4096 );
pExt->outputFrameSize = 4096;
pExt->pInputBuffer = buffer;
pExt->inputBufferMaxLength = buffer_size;
pExt->inputBufferCurrentLength = buffer_size;
pExt->inputBufferUsedLength = 0;
pExt->crcEnabled = 0;
pExt->equalizerType = flat;
pvmp3_InitDecoder( oc->pExt, oc->pMem );
int32_t status;
int frameDecoded = 0;
int attempts = 16;
int totalConsumed = 0;
pExt->outputFrameSize = 0;
/* pre-init search adts sync */
while (!frameDecoded && attempts--) {
pExt->pInputBuffer = buffer;
pExt->inputBufferMaxLength = buffer_size;
pExt->inputBufferCurrentLength = buffer_size;
pExt->inputBufferUsedLength = 0;
pExt->outputFrameSize = 4096;
status = pvmp3_framedecoder(pExt, oc->pMem);
AACD_DEBUG( "start() Status[0]: %d - consumed %d bytes", status, pExt->inputBufferUsedLength );
totalConsumed += pExt->inputBufferUsedLength;
if (status != NO_DECODING_ERROR) {
AACD_ERROR( "start() frame decode error=%d", status );
if (!pExt->inputBufferUsedLength) {
AACD_ERROR( "start() first frame cannot be decoded - trying to sync again" );
int move = buffer_size < 2048 ? (buffer_size >> 1) : 1024;
buffer += move;
buffer_size -= move;
totalConsumed += move;
pExt->pInputBuffer = buffer;
pExt->inputBufferMaxLength = buffer_size;
pExt->inputBufferCurrentLength = buffer_size;
ERROR_CODE err = pvmp3_frame_synch( oc->pExt, oc->pMem );
if (err == SYNCH_LOST_ERROR) {
AACD_ERROR( "start() cannot re-sync the stream after next %d bytes, status=%d", move, err );
}
else if (err != NO_DECODING_ERROR) {
AACD_ERROR( "start() cannot sync the stream status=%d", err );
break;
}
else {
totalConsumed += pExt->inputBufferUsedLength;
AACD_INFO( "start() sync was successful - used bytes=%d", totalConsumed );
}
}
buffer -= pExt->inputBufferUsedLength;
buffer_size -= pExt->inputBufferUsedLength;
}
void SoftMP3::onReset() {
pvmp3_InitDecoder(mConfig, mDecoderBuf);
mIsFirst = true;
mSignalledError = false;
mOutputPortSettingsChange = NONE;
}
