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);
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) {
af_resample_api((char*)(buffer->i16), &buffer->size,buffer->channelCount,audec);
} else {
adec_print("audioCallback: dsp not work!\n");
}
return;
}
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;
}