void af_resample_api_normal(char *buffer, unsigned int *size,int Chnum, aml_audio_dec_t *audec)
{
int len;
int resample_enable;
af_resampe_ctl_t *paf_resampe_ctl;
short data_in[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH], *data_out;
short outbuftmp16[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH];
int NumSamp_in,NumSamp_out,NumCh,NumSampRequir=0;
static int print_flag=0;
int outbuf_offset=0;
int dsp_format_changed_flag=0;
static int pcm_left_len=-1;
//------------------------------------------
NumCh=Chnum;//buffer->channelCount;
resample_enable= af_get_resample_enable_flag();
paf_resampe_ctl=af_resampler_ctx_get();
data_out=date_temp;//buffer->i16
NumSamp_out = *size/sizeof(short);//buffer->size/sizeof(short);
if(NumSamp_out>MAXCH_NUMBER*MAXFRAMESIZE)
NumSamp_out=MAXCH_NUMBER*MAXFRAMESIZE;
NumSampRequir=NumSamp_out;
int resample_type=af_get_resample_type();
//adec_print("REQURE_NUM-----------------------------%d\n",NumSamp_out);
//-------------------------------
//add this part for support rapid Resample_Type covet:
if (resample_enable)
{
if(paf_resampe_ctl->LastResamType!=resample_type)
{
adec_print("ReSample Type Changed: FromTYpe/%d ToType/%d \n",
paf_resampe_ctl->LastResamType,resample_type);
if((paf_resampe_ctl->OutSampReserveLen==0) // to ensure phase continue:
&& (paf_resampe_ctl->ResevedSampsValid==0))
{
adec_print("ReSample Type Changed: ENABLE");
af_resample_stop_process(paf_resampe_ctl);
}else{
adec_print("ReSample Type Changed DISABLE:");
adec_print(" OutSampSaved/%d InSampSaved/%d in Resampler!",
paf_resampe_ctl->OutSampReserveLen,paf_resampe_ctl->ResevedSampsValid);
resample_enable=0;
}
}
}
//-------------------------------
if(resample_enable){
int pcm_cnt=0;
if (!paf_resampe_ctl->InitFlag)
af_resample_set_SampsNumRatio(paf_resampe_ctl);
af_get_pcm_in_resampler(paf_resampe_ctl,data_out+outbuf_offset,&NumSampRequir);
//adec_print("RETURN_SIZE_1:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->OutSampReserveLen);
outbuf_offset += NumSampRequir;
NumSamp_out -= NumSampRequir;
while(NumSamp_out >= DEFALT_NUMSAMPS_PERCH*NumCh)
{
int delta_input_sampsnum=af_get_delta_inputsampnum(paf_resampe_ctl,NumCh);
NumSamp_in =dsp_pcm_read(audec,(char*)data_in,delta_input_sampsnum*sizeof(short));
af_resample_process_linear_inner(paf_resampe_ctl,data_in, &NumSamp_in,data_out+outbuf_offset,&pcm_cnt,NumCh);
//adec_print("RETURN_SIZE_2:%d OutSampReserve=%d \n",pcm_cnt,paf_resampe_ctl->OutSampReserveLen);
if(pcm_cnt==0)
goto resample_out;
outbuf_offset += pcm_cnt;
NumSamp_out -= pcm_cnt;
}
if(NumSamp_out>0)
{
int delta_input_sampsnum=af_get_delta_inputsampnum(paf_resampe_ctl,NumCh);
NumSamp_in =dsp_pcm_read(audec,(char*)data_in,delta_input_sampsnum*sizeof(short));
af_resample_process_linear_inner(paf_resampe_ctl,data_in, &NumSamp_in,outbuftmp16,&pcm_cnt,NumCh);
if(pcm_cnt==0)
goto resample_out;
//adec_print("RETURN_SIZE_3:%d OutSampReserve=%d \n",NumSamp_out,pcm_cnt-NumSamp_out);
memcpy(data_out+outbuf_offset,outbuftmp16,NumSamp_out*sizeof(short));
outbuf_offset +=NumSamp_out;
memcpy(paf_resampe_ctl->OutSampReserveBuf,outbuftmp16+NumSamp_out,(pcm_cnt-NumSamp_out)*sizeof(short));
paf_resampe_ctl->OutSampReserveLen = (pcm_cnt-NumSamp_out);
}
}else{
if(paf_resampe_ctl->OutSampReserveLen > 0){
af_get_pcm_in_resampler(paf_resampe_ctl,data_out+outbuf_offset,&NumSampRequir);
//adec_print("RETURN_SIZE_4:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->OutSampReserveLen);
outbuf_offset += NumSampRequir;
NumSamp_out -= NumSampRequir;
NumSampRequir = NumSamp_out;
}
if(paf_resampe_ctl->ResevedSampsValid > 0){
af_get_unpro_inputsampnum(paf_resampe_ctl,data_out+outbuf_offset,&NumSampRequir);
//adec_print("RETURN_SIZE_5:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->ResevedSampsValid);
outbuf_offset += NumSampRequir;
NumSamp_out -= NumSampRequir;
}
if((paf_resampe_ctl->OutSampReserveLen==0) && (paf_resampe_ctl->ResevedSampsValid==0))
af_resample_stop_process(paf_resampe_ctl);
if(NumSamp_out > 0){
len=audec->adsp_ops.dsp_read(&audec->adsp_ops, (char*)(data_out+outbuf_offset),NumSamp_out*sizeof(short));
outbuf_offset += len/sizeof(short);
audec->pcm_bytes_readed +=len;
}
}
resample_out:
*size=outbuf_offset*sizeof(short);
memcpy(buffer,data_out,*size);
//------------------------------------
dsp_format_changed_flag=audiodsp_format_update(audec);
if(dsp_format_changed_flag>0){
pcm_left_len=audiodsp_get_pcm_left_len();
}
if(pcm_left_len>=0){
if(pcm_left_len>(*size)){
pcm_left_len-=(*size);
memset((char*)(data_out),0,*size);
}else if(pcm_left_len<=(*size)){
memset((char*)(data_out),0,pcm_left_len);
pcm_left_len=-1;
}
}
//dump_pcm_bin("/data/post1.pcm",(char*)(buffer->i16),buffer->size);
//---------------------------------------------
}
void audioCallback(int event, void* user, void *info)
{
int len;
AudioTrack::Buffer *buffer = static_cast<AudioTrack::Buffer *>(info);
aml_audio_dec_t *audec = static_cast<aml_audio_dec_t *>(user);
int resample_enable;
af_resampe_ctl_t *paf_resampe_ctl;
short data_in[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH], *data_out;
short outbuftmp16[MAX_NUMSAMPS_PERCH*DEFALT_NUMCH];
int NumSamp_in,NumSamp_out,NumCh,NumSampRequir=0;
static int print_flag=0;
int outbuf_offset=0;
int dsp_format_changed_flag=0;
static int pcm_left_len=-1;
if (event != AudioTrack::EVENT_MORE_DATA) {
adec_print("audioCallback: event = %d \n", event);
return;
}
if (buffer == NULL || buffer->size == 0) {
adec_print("audioCallback: Wrong buffer\n");
return;
}
adec_refresh_pts(audec);
if (audec->adsp_ops.dsp_on) {
//------------------------------------------
NumCh=buffer->channelCount;
resample_enable= af_get_reample_enable_flag();
paf_resampe_ctl=af_resampler_ctx_get();
data_out=buffer->i16;
NumSamp_out = buffer->size/sizeof(short);
NumSampRequir=NumSamp_out;
//adec_print("resample_enable = %d\n",resample_enable);
//adec_print("REQURE_NUM-----------------------------%d\n",NumSamp_out);
//adec_print("PCM_IN_OUTSAMPBUF:%d\n",paf_resampe_ctl->OutSampReserveLen);
if(resample_enable){
int pcm_cnt=0;
if (!paf_resampe_ctl->InitFlag)
af_resample_set_SampsNumRatio(paf_resampe_ctl);
af_get_pcm_in_resampler(paf_resampe_ctl,data_out+outbuf_offset,&NumSampRequir);
//adec_print("RETURN_SIZE_1:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->OutSampReserveLen);
outbuf_offset += NumSampRequir;
NumSamp_out -= NumSampRequir;
while(NumSamp_out >= DEFALT_NUMSAMPS_PERCH*NumCh)
{
int delta_input_sampsnum=af_get_delta_inputsampnum(paf_resampe_ctl,NumCh);
NumSamp_in =dsp_pcm_read(audec,(char*)data_in,delta_input_sampsnum*sizeof(short));
af_resample_process_linear_inner(paf_resampe_ctl,data_in, &NumSamp_in,data_out+outbuf_offset,&pcm_cnt,NumCh);
//adec_print("RETURN_SIZE_2:%d OutSampReserve=%d \n",pcm_cnt,paf_resampe_ctl->OutSampReserveLen);
if(pcm_cnt==0)
goto resample_out;
outbuf_offset += pcm_cnt;
NumSamp_out -= pcm_cnt;
}
if(NumSamp_out>0)
{
int delta_input_sampsnum=af_get_delta_inputsampnum(paf_resampe_ctl,NumCh);
NumSamp_in =dsp_pcm_read(audec,(char*)data_in,delta_input_sampsnum*sizeof(short));
af_resample_process_linear_inner(paf_resampe_ctl,data_in, &NumSamp_in,outbuftmp16,&pcm_cnt,NumCh);
if(pcm_cnt==0)
goto resample_out;
//adec_print("RETURN_SIZE_3:%d OutSampReserve=%d \n",NumSamp_out,pcm_cnt-NumSamp_out);
memcpy(data_out+outbuf_offset,outbuftmp16,NumSamp_out*sizeof(short));
outbuf_offset +=NumSamp_out;
memcpy(paf_resampe_ctl->OutSampReserveBuf,outbuftmp16+NumSamp_out,(pcm_cnt-NumSamp_out)*sizeof(short));
paf_resampe_ctl->OutSampReserveLen = (pcm_cnt-NumSamp_out);
}
}else{
if(paf_resampe_ctl->OutSampReserveLen > 0){
af_get_pcm_in_resampler(paf_resampe_ctl,data_out+outbuf_offset,&NumSampRequir);
//adec_print("RETURN_SIZE_4:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->OutSampReserveLen);
outbuf_offset += NumSampRequir;
NumSamp_out -= NumSampRequir;
NumSampRequir = NumSamp_out;
}
if(paf_resampe_ctl->ResevedSampsValid > 0){
af_get_unpro_inputsampnum(paf_resampe_ctl,data_out+outbuf_offset,&NumSampRequir);
//adec_print("RETURN_SIZE_5:%d OutSampReserve=%d \n",NumSampRequir,paf_resampe_ctl->ResevedSampsValid);
outbuf_offset += NumSampRequir;
NumSamp_out -= NumSampRequir;
}
if((paf_resampe_ctl->OutSampReserveLen==0) && (paf_resampe_ctl->ResevedSampsValid==0))
af_resample_stop_process(paf_resampe_ctl);
if(NumSamp_out > 0){
len=audec->adsp_ops.dsp_read(&audec->adsp_ops, (char*)(data_out+outbuf_offset),NumSamp_out*sizeof(short));
outbuf_offset += len/sizeof(short);
}
}
resample_out:
buffer->size=outbuf_offset*sizeof(short);
//------------------------------------
dsp_format_changed_flag=audiodsp_format_update(audec);
if(dsp_format_changed_flag>0){
pcm_left_len=audiodsp_get_pcm_left_len();
//audiodsp_set_format_changed_flag(1);
}
if(pcm_left_len>=0){
if(pcm_left_len>buffer->size){
pcm_left_len-=buffer->size;
memset((char*)(data_out),0,buffer->size);
}else if(pcm_left_len<=buffer->size){
memset((char*)(data_out),0,pcm_left_len);
pcm_left_len=-1;
//adec_reset_track(audec);
}
}
//---------------------------------------------
} else {
adec_print("audioCallback: dsp not work!\n");
}
return;
}
void af_resample_process_linear_inner(af_resampe_ctl_t *paf_resampe_ctl,short *data_in, int *NumSamp_in,short* data_out,int* NumSamp_out,int NumCh)
{
int index,ChId;
int NumSampsPerCh_in=(*NumSamp_in)/NumCh;
int NumSampsPerCh_Pre=paf_resampe_ctl->ResevedSampsValid/NumCh;
int NumSampsPerCh_out;
short buf16_in[MAX_NUMSAMPS_PERCH];
short buf16_in_valid;
short *pPreSamps=paf_resampe_ctl->ResevedBuf;
short *pindex=paf_resampe_ctl->InterpolateIndexArray;
int *pcoef=paf_resampe_ctl->InterpolateCoefArray;
int input_offset=0,output_offset=0;
int cur_out_samp_reserve_num=0;
if (!paf_resampe_ctl->InitFlag)
{
af_resample_set_SampsNumRatio(paf_resampe_ctl);
}
//indecate at the end of pcm stream
if( NumSampsPerCh_Pre + NumSampsPerCh_in < paf_resampe_ctl->SampNumIn ){
memcpy(pPreSamps+paf_resampe_ctl->ResevedSampsValid,data_in,(*NumSamp_in)*sizeof(short));
paf_resampe_ctl->ResevedSampsValid += (*NumSamp_in);
//memcpy(data_out,paf_resampe_ctl->ResevedBuf,paf_resampe_ctl->ResevedSampsValid);
//*NumSamp_out=paf_resampe_ctl->ResevedSampsValid;
*NumSamp_out=0;
}else{
int NumSampsPerCh_Rest=NumSampsPerCh_Pre + NumSampsPerCh_in -paf_resampe_ctl->SampNumIn;
input_offset +=(paf_resampe_ctl->SampNumIn-NumSampsPerCh_Pre)*NumCh;
output_offset+= paf_resampe_ctl->OutSampReserveLen;
memcpy(pPreSamps+paf_resampe_ctl->ResevedSampsValid,data_in,sizeof(short)*input_offset);
memcpy(data_out,paf_resampe_ctl->OutSampReserveBuf,sizeof(short)*paf_resampe_ctl->OutSampReserveLen);
buf16_in_valid=paf_resampe_ctl->SampNumIn;
for(ChId=0;ChId<NumCh;ChId++)
{
for(index=0;index<buf16_in_valid;index++)
buf16_in[index]= pPreSamps[NumCh*index+ChId];
for(index=0;index<paf_resampe_ctl->SampNumOut-1;index++)
{ int pos=pindex[index];
short t16;
t16 =buf16_in[pos]+Q14_INT_GET((pcoef[index]*(buf16_in[pos+1]-buf16_in[pos])));
data_out[output_offset+NumCh*index+ChId]=t16;
}
data_out[output_offset+NumCh*(paf_resampe_ctl->SampNumOut-1)+ChId]=buf16_in[buf16_in_valid-1];
}
output_offset +=paf_resampe_ctl->SampNumOut*NumCh;
paf_resampe_ctl->ResevedSampsValid = 0;
while(NumSampsPerCh_Rest > paf_resampe_ctl->SampNumIn)
{
buf16_in_valid=paf_resampe_ctl->SampNumIn;
for(ChId=0;ChId<NumCh;ChId++)
{
for(index=0;index<buf16_in_valid;index++)
buf16_in[index]= data_in[input_offset+NumCh*index+ChId];
for(index=0;index<paf_resampe_ctl->SampNumOut-1;index++)
{ int pos=pindex[index];
short t16;
t16 =buf16_in[pos]+Q14_INT_GET(((int64_t)pcoef[index]*(buf16_in[pos+1]-buf16_in[pos])));
data_out[output_offset+NumCh*index+ChId]=t16;
}
data_out[output_offset+NumCh*(paf_resampe_ctl->SampNumOut-1)+ChId]=buf16_in[buf16_in_valid-1];
}
NumSampsPerCh_Rest -= paf_resampe_ctl->SampNumIn;
input_offset +=paf_resampe_ctl->SampNumIn*NumCh;
output_offset +=paf_resampe_ctl->SampNumOut*NumCh;
}
cur_out_samp_reserve_num = output_offset%(DEFALT_NUMSAMPS_PERCH*NumCh) ;
paf_resampe_ctl->OutSampReserveLen = cur_out_samp_reserve_num;
memcpy(paf_resampe_ctl->OutSampReserveBuf,
data_out+output_offset-cur_out_samp_reserve_num,
sizeof(short)*cur_out_samp_reserve_num);
*NumSamp_out=output_offset-cur_out_samp_reserve_num;
if(input_offset< (*NumSamp_in)){
memcpy(pPreSamps,data_in+input_offset,sizeof(short)*NumSampsPerCh_Rest*NumCh);
paf_resampe_ctl->ResevedSampsValid=NumSampsPerCh_Rest*NumCh;
}else{
paf_resampe_ctl->ResevedSampsValid=0;
}
}
}
