int main(int argc, char *argv[])
{
WavInfo inputInfo;
FILE *inputFile = NULL;
FILE *hADTSFile;
int error;
int bEncodeMono = 0;
int frmCnt = 0;
/*
* parse command line arguments
*/
if (argc != 5) {
fprintf(stderr, "\nUsage: %s <wav_file> <bitstream_file> <bitrate> <(m)ono/(s)tereo>\n", argv[0]);
fprintf(stderr, "\nExample: %s input.wav out.aac 24000 s\n", argv[0]);
return 0;
}
if ( strcmp (argv[4],"m") == 0 ) {
bEncodeMono = 1;
}
else {
if ( strcmp (argv[4],"s") != 0 ) {
fprintf(stderr, "\nWrong mode %s, use either (m)ono or (s)tereo\n", argv[4]);
return 0;
}
}
fflush(stdout);
inputFile = AuChannelOpen (argv[1], &inputInfo);
if(inputFile == NULL){
fprintf(stderr,"could not open %s\n",argv[1]);
exit(10);
}
if (inputInfo.nChannels==1 && !bEncodeMono) {
fprintf(stderr,"Need stereo input for stereo coding mode !\n");
exit(10);
}
if (strcmp(argv[2],"-")==0)
hADTSFile=stdout;
else
hADTSFile = fopen(argv[2], "wb");
if(!hADTSFile) {
fprintf(stderr, "\nFailed to create ADTS file\n") ;
exit(10);
}
/*
Be verbose
*/
unsigned long inputSamples=0;
unsigned long maxOutputBytes=0;
aacplusEncHandle hEncoder = aacplusEncOpen(inputInfo.sampleRate,
inputInfo.nChannels,
&inputSamples,
&maxOutputBytes);
aacplusEncConfiguration *cfg = aacplusEncGetCurrentConfiguration(hEncoder);
cfg->bitRate = atoi(argv[3]);
cfg->bandWidth = 0;
cfg->outputFormat = 1;
cfg->nChannelsOut = bEncodeMono ? 1 : inputInfo.nChannels;
if(inputInfo.aFmt == WAV_FORMAT_FLOAT){
cfg->inputFormat = AACPLUS_INPUT_FLOAT;
}
fprintf(stdout,"input file %s: \nsr = %d, nc = %d fmt = %d\n\n",
argv[1], inputInfo.sampleRate, inputInfo.nChannels, inputInfo.aFmt);
fprintf(stdout,"output file %s: \nbr = %d inputSamples = %lu maxOutputBytes = %lu nc = %d m = %d\n\n",
argv[2], cfg->bitRate, inputSamples, maxOutputBytes, cfg->nChannelsOut, bEncodeMono);
fflush(stdout);
int ret = 0;
if((ret = aacplusEncSetConfiguration(hEncoder, cfg)) == 0) {
fprintf(stdout,"setting cfg failed\n", ret);
return -1;
}
uint8_t *outputBuffer = malloc(maxOutputBytes);
int32_t *TimeDataPcm;
if(inputInfo.aFmt == WAV_FORMAT_FLOAT) {
TimeDataPcm = calloc(inputSamples, sizeof(float));
} else {
TimeDataPcm = calloc(inputSamples, sizeof(short));
}
int stopLoop = 0;
int bytes = 0;
do {
int numSamplesRead = 0;
if(inputInfo.aFmt == WAV_FORMAT_FLOAT) {
if ( AuChannelReadFloat(inputFile, (float *) TimeDataPcm, inputSamples, &numSamplesRead) > 0) {
stopLoop = 1;
break;
}
} else {
if ( AuChannelReadShort(inputFile, (short *) TimeDataPcm, inputSamples, &numSamplesRead) > 0) {
stopLoop = 1;
break;
}
}
if(numSamplesRead < inputSamples) {
stopLoop = 1;
break;
}
bytes = aacplusEncEncode(hEncoder, (int32_t *) TimeDataPcm, numSamplesRead,
outputBuffer,
maxOutputBytes);
if(bytes > 0) fwrite(outputBuffer, bytes, 1, hADTSFile);
frmCnt++;
fprintf(stderr,"[%d]\r",frmCnt); fflush(stderr);
} while (!stopLoop && bytes >= 0);
fprintf(stderr,"\n");
fflush(stderr);
printf("\nencoding finished\n");
aacplusEncClose(hEncoder);
fclose(hADTSFile);
free(outputBuffer);
free(TimeDataPcm);
return 0;
}
int main(int argc, char* argv[]) {
HANDLE_MP4_FILE hMp4File = 0;
FILE *pcm_fp = 0;
hAudioChannel inputFile = 0;
AuChanInfo inputInfo;
AuChanType auType = TYPE_AUTODETECT ; /* must be set */
AuChanMode auFlags = AU_CHAN_READ;
short TimeDataPcm[AACENC_BLOCKSIZE * 2 * MAX_CHANNELS];
inputInfo.bitsPerSample = 16 ; /* only relevant if valid == 1 */
inputInfo.sampleRate = 44100 ; /* only relevant if valid == 1 */
inputInfo.nChannels = 2 ; /* only relevant if valid == 1 */
inputInfo.nSamples = 0 ; /* only relevant if valid == 1 */
inputInfo.isLittleEndian = 1;
inputInfo.fpScaleFactor = AACENC_PCM_LEVEL ; /* must be set */
inputInfo.valid = 1 ; /* must be set */
inputInfo.useWaveExt = 0;
pcm_fp = fopen("f:/temp/im/aac_pcm.pcm", "wb");
int ret = AuChannelOpen (&inputFile, "c:\\audio\\ave_maria_48.wav", auFlags,
&auType, &inputInfo);
IHEAAC_ENC* enc = CreateAACEnc();
assert(enc && enc->Init(inputInfo.sampleRate, inputInfo.nChannels, 32000));
IHEAAC_DEC* dec = CreateAACDec();
assert(dec && dec->Init(inputInfo.sampleRate, 26000));
int inSamples = AACENC_BLOCKSIZE * inputInfo.nChannels;
int numSamplesRead = 0;
inSamples = enc->GetSampleCount();
std::string xxx, out_pcm;
while (1) {
if (AuChannelReadShort(inputFile, TimeDataPcm, inSamples,
&numSamplesRead) != AU_CHAN_OK) {
fprintf(stderr, "failed to read source file!\n");
return 0;
}
enc->Enc(TimeDataPcm, xxx);
dec->Dec(xxx, out_pcm, true);
fwrite(out_pcm.c_str(), 1, out_pcm.length(), pcm_fp);
}
if (enc)
DestroyAACEnc(enc);
if (inputFile)
AuChannelClose(inputFile);
if (pcm_fp)
fclose(pcm_fp);
system("pause");
return 0;
}
