/*
* Class: com_spoledge_aacdecoder_Decoder
* Method: nativeStart
* Signature: (ILcom/spoledge/aacdecoder/BufferReader;Lcom/spoledge/aacdecoder/Decoder/Info;)I
*/
JNIEXPORT jlong JNICALL Java_com_spoledge_aacdecoder_Decoder_nativeStart
(JNIEnv *env, jobject thiz, jlong decoder, jobject jreader, jobject aacInfo)
{
AACDDecoder *dec = decoder != 0 ? ((AACDDecoder*)decoder) : &aacd_opencore_decoder;
AACDInfo *info = aacd_start( env, dec, jreader, aacInfo );
info->env = env;
unsigned char* buffer = aacd_read_buffer( info );
unsigned long buffer_size = info->bytesleft;
int pos = info->decoder->sync( info, buffer, buffer_size );
if (pos < 0)
{
AACD_ERROR( "start() failed - SYNC word not found" );
aacd_stop( info );
return 0;
}
AACD_DEBUG( "start() SYNC word found at offset=%d", pos );
buffer += pos;
buffer_size -= pos;
long err = info->decoder->start( info, buffer, buffer_size );
if (err < 0)
{
AACD_ERROR( "start() failed err=%ld", err );
aacd_stop( info );
return 0;
}
// remember pointers for first decode round:
info->buffer = buffer + err;
info->bytesleft = buffer_size - err;
AACD_DEBUG( "start() bytesleft=%d", info->bytesleft );
aacd_start_info2java( info );
info->env = NULL;
return (jlong) info;
}
/*
* Class: com_biophysics_radioplayer_ArrayDecoder
* Method: nativeStart
* Signature: (ILcom/biophysics/radioplayer/ArrayBufferReader;Lcom/biophysics/radioplayer/Decoder/Info;)I
*/
JNIEXPORT jint JNICALL Java_com_biophysics_radioplayer_ArrayDecoder_nativeStart
(JNIEnv *env, jobject thiz, jint decoder, jobject jreader, jobject aacInfo)
{
AACD_TRACE( "start() start" );
AACDDecoder *dec = aacda_decoder( decoder );
if (!dec)
{
AACD_ERROR( "start() decoder [%d] not supported", decoder );
return 0;
}
AACDArrayInfo *ainfo = aacda_start( env, dec, jreader, aacInfo );
if (!ainfo)
{
AACD_ERROR( "start() cannot initialize decoder - out-of-memory error ?" );
return 0;
}
ainfo->env = env;
AACD_TRACE( "start() calling read_buffer" );
unsigned char* buffer = aacda_read_buffer( ainfo );
unsigned long buffer_size = ainfo->cinfo.bytesleft;
AACD_TRACE( "start() got %d bytes from read_buffer", buffer_size );
int pos = ainfo->decoder->sync( buffer, buffer_size );
AACD_TRACE( "start() sync returned %d", pos );
if (pos < 0)
{
AACD_ERROR( "start() failed - ADTS sync word not found" );
aacda_stop( ainfo );
return 0;
}
buffer += pos;
buffer_size -= pos;
AACD_TRACE( "start() calling decoder->start()" );
long err = ainfo->decoder->start( &ainfo->cinfo, ainfo->ext, buffer, buffer_size );
if (err < 0)
{
AACD_ERROR( "start() failed err=%d", err );
aacda_stop( ainfo );
return 0;
}
// remember pointers for first decode round:
if (!ainfo->cinfo.input_ctrl)
{
ainfo->cinfo.buffer = buffer + err;
ainfo->cinfo.bytesleft = buffer_size - err;
}
AACD_DEBUG( "start() bytesleft=%d", ainfo->cinfo.bytesleft );
aacd_start_info2java( env, &ainfo->cinfo, aacInfo );
ainfo->env = NULL;
AACD_TRACE( "nativeStart() stop" );
return (jint) ainfo;
}
