static int codec_decoder(const struct PluginCodec_Definition * codec,
void * context,
const void * from,
unsigned * fromLen,
void * to,
unsigned * toLen,
unsigned int * flag)
{
if (*fromLen < BYTES_PER_FRAME || *toLen < SAMPLES_PER_FRAME*2)
return 0;
#ifdef _WIN32_WCE
{
UWord8 buffer[BYTES_PER_FRAME+1];
buffer[0] = 2;
memcpy(&buffer[1], from, BYTES_PER_FRAME);
if (D_IF_g729ab_decode(context, buffer, (Word16 *)to, 0) != 0)
return 0;
}
#else
va_g729a_decoder((unsigned char *)from, (short *)to, 0);
#endif
*fromLen = BYTES_PER_FRAME;
*toLen = SAMPLES_PER_FRAME*2;
return 1;
}
HRESULT CG729Codec::DecodeMedia(IMediaSample *pSource, IMediaSample *pDest) const
{
// Copy the sample data
BYTE *pSourceBuffer, *pDestBuffer;
long lSourceSize = pSource->GetActualDataLength();
pSource->GetPointer( &pSourceBuffer );
pDest->GetPointer( &pDestBuffer );
long ldddSize = pDest->GetActualDataLength();
for ( BYTE *pSrc = pSourceBuffer, *pDst = pDestBuffer;
pSrc - pSourceBuffer < lSourceSize; pSrc += L_FRAME_COMPRESSED * sizeof(BYTE) )
{
va_g729a_decoder( pSrc, (SHORT *)pDst, 0 );
pDst += L_FRAME * sizeof(WORD);
}
// Copy the actual data length
long nDestLength = long( pDst - pDestBuffer );
pDest->SetActualDataLength( nDestLength );
return S_OK;
}
static int codec_decoder(const struct PluginCodec_Definition * codec,
void * context,
const void * from,
unsigned * fromLen,
void * to,
unsigned * toLen,
unsigned int * flag)
{
//if (!decoderInUse)
// return 0;
if (*fromLen < L_FRAME_COMPRESSED || *toLen < SAMPLES_PER_FRAME*2)
return 0;
va_g729a_decoder((unsigned char *)from, (short *)to, 0);
*fromLen = L_FRAME_COMPRESSED;
*toLen = SAMPLES_PER_FRAME * 2;
return 1;
}
//----------------------------------------------------------------------------------------------------
bool EEWaveCoder::WaveDecode(char *_dataIn, int _inLen, char *_dataOut, int *_outLen)
{
InitializeWaveCoder();
if (!_dataIn || _inLen != 60 || !_dataOut)
return false;
va_g729a_decoder((BYTE*)_dataIn, (short*)(_dataOut), 0);
va_g729a_decoder((BYTE*)_dataIn + 10, (short*)(_dataOut + 160), 0);
va_g729a_decoder((BYTE*)_dataIn + 20, (short*)(_dataOut + 320), 0);
va_g729a_decoder((BYTE*)_dataIn + 30, (short*)(_dataOut + 480), 0);
va_g729a_decoder((BYTE*)_dataIn + 40, (short*)(_dataOut + 640), 0);
va_g729a_decoder((BYTE*)_dataIn + 50, (short*)(_dataOut + 800), 0);
if (_outLen)
*_outLen = 960;
return true;
}
BOOL CAudioCode::DecodeAudioData(char *pin,int len,char* pout,int* lenr)
{
BOOL bRet=FALSE;
if(!pin||len!=SIZE_AUDIO_PACKED||!pout)
goto RET;
va_g729a_decoder((BYTE*)pin,(short*)(pout),0);
va_g729a_decoder((BYTE*)pin+10,(short*)(pout+160),0);
va_g729a_decoder((BYTE*)pin+20,(short*)(pout+320),0);
va_g729a_decoder((BYTE*)pin+30,(short*)(pout+480),0);
va_g729a_decoder((BYTE*)pin+40,(short*)(pout+640),0);
va_g729a_decoder((BYTE*)pin+50,(short*)(pout+800),0);
if(lenr)
*lenr=SIZE_AUDIO_FRAME;
bRet=TRUE;
RET:
return bRet;
}
void main(int argc, char *argv[])
{
int nb_frame;
clock_t start, finish;
double duration;
FILE* fp_in;
FILE* fp_out;
unsigned char serial[L_FRAME_COMPRESSED];
short synth[L_FRAME];
int bfi;
printf("\n************** VoiceAge Corporation **************");
printf("\n");
printf("\n------------- G729 floating-point Decoder ------------");
printf("\n");
/*-----------------------------------------------------------------------*
* Open all files. *
*-----------------------------------------------------------------------*/
if (argc != 3)
{
printf("Usage: %s infile outfile\n", argv[0]);
return;
}
if ( (fp_in = fopen(argv[1], "rb")) == NULL)
{
printf("\nError opening input file %s!", argv[1]);
return;
}
if ( (fp_out = fopen(argv[2], "wb")) == NULL)
{
printf("\nError opening output file %s!", argv[2]);
return;
}
/*-----------------------------------------------------------------------*
* Decode *
*-----------------------------------------------------------------------*/
va_g729a_init_decoder();
nb_frame = 0;
start = clock();
while (fread(serial, sizeof(char), L_FRAME_COMPRESSED, fp_in) == L_FRAME_COMPRESSED)
{
printf("Decode frame %d\r", ++nb_frame);
/*--------------------------------------------------------------*
* Bad frame *
* *
* bfi = 0 to indicate that we have a correct frame *
* bfi = 1 to indicate that we lost the current frame *
*--------------------------------------------------------------*/
bfi = 0;
/*--------------------------------------------------------------*
* Call the decoder. *
*--------------------------------------------------------------*/
va_g729a_decoder(serial, synth, bfi);
/*--------------------------------------------------------------*
* Output synthesis to disk *
*--------------------------------------------------------------*/
fwrite(synth, sizeof(short), L_FRAME, fp_out);
}
finish = clock();
duration = (double)(finish - start) / CLOCKS_PER_SEC;
printf( "\n%2.1f seconds\n", duration );
fclose(fp_out);
fclose(fp_in);
} /* end of main() */
