OsStatus MpeIPPG729::initEncode(void)
{
int lCallResult;
ippStaticInit();
strcpy((char*)codec->codecName, "IPP_G729A");
codec->lIsVad = 1;
// Load codec by name from command line
lCallResult = LoadUSCCodecByName(codec, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
// Get USC codec params
lCallResult = USCCodecAllocInfo(&codec->uscParams, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
lCallResult = USCCodecGetInfo(&codec->uscParams, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
// Get its supported format details
lCallResult = GetUSCCodecParamsByFormat(codec, BY_NAME, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
// Set params for encode
USC_PCMType streamType;
streamType.bitPerSample = getInfo()->getNumBitsPerSample();
streamType.nChannels = getInfo()->getNumChannels();
streamType.sample_frequency = getInfo()->getSamplingRate();
lCallResult = SetUSCEncoderPCMType(&codec->uscParams, LINEAR_PCM, &streamType, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
// instead of SetUSCEncoderParams(...)
codec->uscParams.pInfo->params.direction = USC_ENCODE;
codec->uscParams.pInfo->params.law = 0;
codec->uscParams.pInfo->params.modes.vad = ms_bEnableVAD ? 1 : 0;
// Alloc memory for the codec
lCallResult = USCCodecAlloc(&codec->uscParams, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
// Init decoder
lCallResult = USCEncoderInit(&codec->uscParams, NULL, NULL);
if (lCallResult < 0)
{
return OS_FAILED;
}
// Allocate memory for the output buffer. Size of output buffer is equal
// to the size of 1 frame
inputBuffer =
(Ipp8s *)ippsMalloc_8s(codec->uscParams.pInfo->params.framesize);
outputBuffer =
(Ipp8u *)ippsMalloc_8u(codec->uscParams.pInfo->maxbitsize + 10);
return OS_SUCCESS;
}
int main(int argc, char *argv[]) {
char *buf_in;
char *bitstream_buf;
char *p;
char *f;
long file_size;
int i;
if(argc != 3) {
fprintf(stderr, "Usage: my_enc audio.raw audio.g729\n");
exit(-1);
}
fprintf(stderr, "Converting %s to %s\n", argv[1], argv[2]);
USC_Fxns *USC_CODEC_Fxns;
USC_CodecInfo pInfo;
USC_Handle encoder;
USC_PCMStream in;
USC_Bitstream out;
USC_MemBank* pBanks;
int nbanks = 0;
int maxbitsize;
int inFrameSize;
int outFrameSize = 0;
USC_CODEC_Fxns = USC_GetCodecByName_xx2 ();
USC_CODEC_Fxns->std.GetInfo((USC_Handle)NULL, &pInfo); /* codec info */
((USC_Option*)pInfo.params)->modes.truncate = 1;
((USC_Option*)pInfo.params)->direction = 0;
((USC_Option*)pInfo.params)->modes.vad = 0;
FILE *f_in = fopen(argv[1], "r");
FILE *f_out = fopen(argv[2], "w");
fseek(f_in, 0, SEEK_END);
file_size = ftell(f_in);
fseek(f_in, 0, SEEK_SET);
buf_in = ippsMalloc_8s(file_size);
fread(buf_in, file_size, 1, f_in);
p = buf_in;
f = buf_in + file_size;
USC_CODEC_Fxns->std.NumAlloc(pInfo.params, &nbanks);
pBanks = (USC_MemBank*)ippsMalloc_8u(sizeof(USC_MemBank)*nbanks);
USC_CODEC_Fxns->std.MemAlloc(pInfo.params, pBanks);
for(i=0; i<nbanks;i++) {
if(!(pBanks[i].pMem = ippsMalloc_8u(pBanks->nbytes))) {
printf("\nLow memory: %d bytes not allocated\n",pBanks->nbytes);
return -1;
}
}
inFrameSize = getInFrameSize();
outFrameSize = getOutFrameSize_xx3();
bitstream_buf = ippsMalloc_8s(pInfo.maxbitsize);
in.bitrate = pInfo.params->modes.bitrate;
maxbitsize = pInfo.maxbitsize;
USC_CODEC_Fxns->std.Init(pInfo.params, pBanks, &encoder);
ippCoreSetFlushToZero( 1, NULL );
in.pcmType.bitPerSample = pInfo.pcmType->bitPerSample;
in.pcmType.sample_frequency = pInfo.pcmType->sample_frequency;
out.nbytes = maxbitsize;
out.pBuffer = bitstream_buf;
USC_CODEC_Fxns->std.Reinit(&((USC_Option*)pInfo.params)->modes, encoder);
while(p < f) {
in.pBuffer = p;
USC_CODEC_Fxns->std.Encode (encoder, &in, &out);
fwrite(out.pBuffer, 10, 1, f_out);
p += inFrameSize;
}
fclose(f_out);
fclose(f_in);
return 0;
}
