bool PlayStream::setPosition(unsigned samples) { #ifdef RPLAYSTREAM_SHOW_SLOTS printf("setPosition(%d) -- Card: %d Stream: %d\n",samples, card_number,stream_number); #endif // RPLAYSTREAM_SHOW_SLOTS if((samples<0)||(samples>getSampleLength())) { return false; } if(playing&&((unsigned)samples!=(samples_skipped+samples_played))) { restart_transport=true; pause(); } if(!playing) { if(is_paused) { is_paused=false; repositioned=true; } HPICall(HPI_OutStreamReset(NULL,hpi_stream)); samples_played=0; switch(getFormatTag()) { case WAVE_FORMAT_PCM: case WAVE_FORMAT_VORBIS: samples_skipped= (unsigned)((double)getBlockAlign()* ((double)samples/(double)getBlockAlign())); seekWave((int)((double)samples_skipped*(double)getBlockAlign()), SEEK_SET); break; case WAVE_FORMAT_MPEG: samples_skipped= (unsigned)((double)getBlockAlign()* ((double)samples/(double)getBlockAlign())); seekWave((int)((double)(getAvgBytesPerSec())* ((double)(samples_skipped)/ ((double)getSamplesPerSec()))), SEEK_SET); break; } emit position(samples); } if(restart_transport) { play(); restart_transport=false; } return true; }
bool RDHPIRecordStream::recordReady() { HW16 hpi_error=0; char hpi_text[200]; if(debug) { printf("RDHPIRecordStream: received recordReady()\n"); } if(!is_open) { return false; } if((!is_recording)&&(!is_paused)) { resetWave(); if(HPI_InStreamGetInfoEx(hpi_subsys,hpi_stream, &state,&buffer_size,&data_recorded, &samples_recorded,&reserved)!=0) { if(debug) { printf("RDHPIRecordStream: HPI_InStreamGetInfoEx() failed\n"); } return false; } fragment_size=buffer_size/4; if(fragment_size>192000) { // ALSA Compatibility Limitation fragment_size=192000; } fragment_time=(1000*fragment_size)/(getAvgBytesPerSec()); if(pdata!=NULL) { delete pdata; } pdata=(HW8 *)malloc(fragment_size); if(pdata==NULL) { if(debug) { printf("RDHPIRecordStream: couldn't allocate buffer\n"); } return false; } switch(getFormatTag()) { case WAVE_FORMAT_PCM: if(debug) { printf("RDHPIRecordStream: using PCM%d format\n", getBitsPerSample()); } switch(getBitsPerSample()) { case 8: HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_PCM8_UNSIGNED,getSamplesPerSec(), 0,0); break; case 16: HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_PCM16_SIGNED,getSamplesPerSec(), 0,0); break; case 32: HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_PCM32_SIGNED,getSamplesPerSec(), 0,0); break; default: if(debug) { printf("RDHPIRecordStream: unsupported sample size\n"); } return false; } break; case WAVE_FORMAT_MPEG: if(debug) { printf("RDHPIRecordStream: using MPEG-1 Layer %d\n",getHeadLayer()); } switch(getHeadLayer()) { case 1: HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_MPEG_L1,getSamplesPerSec(), getHeadBitRate(),getHeadFlags()); break; case 2: HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_MPEG_L2,getSamplesPerSec(), getHeadBitRate(),getHeadFlags()); break; case 3: HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_MPEG_L3,getSamplesPerSec(), getHeadBitRate(),getHeadFlags()); break; default: HPI_AdapterClose(hpi_subsys,card_number); if(debug) { printf("RDHPIRecordStream: invalid MPEG-1 layer\n"); } return false; } if(getMextChunk()) { setMextHomogenous(true); setMextPaddingUsed(false); setMextHackedBitRate(true); setMextFreeFormat(false); setMextFrameSize(144*getHeadBitRate()/getSamplesPerSec()); setMextAncillaryLength(5); setMextLeftEnergyPresent(true); if(getChannels()>1) { setMextRightEnergyPresent(true); } else { setMextRightEnergyPresent(false); } setMextPrivateDataPresent(false); } break; case WAVE_FORMAT_VORBIS: if(debug) { printf("RDHPIRecordStream: using OggVorbis\n"); } HPI_FormatCreate(&format,getChannels(), HPI_FORMAT_PCM16_SIGNED,getSamplesPerSec(), 0,0); break; default: if(debug) { printf("RDHPIRecordStream: invalid format tag\n"); } return false; break; } if((hpi_error=HPI_InStreamQueryFormat(hpi_subsys,hpi_stream, &format))!=0) { if(debug) { HPI_GetErrorText(hpi_error,hpi_text); printf("Num: %d\n",hpi_error); printf("RDHPIRecordStream: %s\n",hpi_text); } return false; } } #if HPI_VER < 0x00030500 HPI_DataCreate(&hpi_data,&format,pdata,fragment_size); #endif HPI_InStreamSetFormat(hpi_subsys,hpi_stream,&format); HPI_InStreamStart(hpi_subsys,hpi_stream); // clock->start(2*fragment_time/3); clock->start(100); is_ready=true; is_recording=false; is_paused=false; stopping=false; emit isStopped(false); emit ready(); emit stateChanged(card_number,stream_number,1); // RecordReady if(debug) { printf("RDHPIRecordStream: emitted isStopped(false)\n"); printf("RDHPIRecordStream: emitted ready()\n"); printf("RDHPIRecordStream: emitted stateChanged(%d,%d,RDHPIRecordStream::RecordReady)\n",card_number,stream_number); } return true; }