diff options
Diffstat (limited to 'audio/mxv/files/patch-aa')
| -rw-r--r-- | audio/mxv/files/patch-aa | 801 |
1 files changed, 801 insertions, 0 deletions
diff --git a/audio/mxv/files/patch-aa b/audio/mxv/files/patch-aa new file mode 100644 index 000000000000..79eb90aefe94 --- /dev/null +++ b/audio/mxv/files/patch-aa @@ -0,0 +1,801 @@ +*************** +Sun Aug 25 10:17:47 PDT 1996 +*************** +diff -c -r old/channelview.C ./channelview.C +*** old/channelview.C Mon Aug 14 14:42:15 1995 +--- ./channelview.C Sun Jul 14 20:31:15 1996 +*************** +*** 323,331 **** + framesVisible.set(point - margin, point + margin); + setVisibleFrameRange(framesVisible); + } +! if(!chansVisible.includes(chansToSelect) && scroll == true) { +! Range displayChans = chansToSelect; +! displayChans.expandBy(1); + setChannelRange(displayChans); + } + struct InsertSetter : public ChannelRangeBlock { +--- 323,344 ---- + framesVisible.set(point - margin, point + margin); + setVisibleFrameRange(framesVisible); + } +! if(scroll && !chansVisible.includes(chansToSelect)) { +! Range displayChans; +! if(chansVisible.spread() >= chansToSelect.spread()) { +! // keep same number of visible channels, but shift up +! displayChans = chansVisible; +! int shift = chansToSelect.intMax() - +! chansVisible.intMax(); +! displayChans += shift; +! // make sure range is non-negative +! while(displayChans.includes(-1)) displayChans += 1; +! } +! else { +! // use requested channels plus one on each side +! displayChans = chansToSelect; +! displayChans.expandBy(1); +! } + setChannelRange(displayChans); + } + struct InsertSetter : public ChannelRangeBlock { +diff -c -r old/dataview.C ./dataview.C +*** old/dataview.C Mon Aug 14 14:42:16 1995 +--- ./dataview.C Sat Jul 13 22:43:40 1996 +*************** +*** 434,439 **** +--- 434,441 ---- + DataView::addGraph(Graph *graph) { + if(graphsShown == maxGraphs) + expandGraphArray(); ++ if(graphsShown == maxGraphs) ++ return; // failed to expand! + graphs[graphsShown] = graph; // add to array + Scale *vscale = new VScale( + graph->verticalScaleLabel(), +*************** +*** 452,465 **** + DataView::expandGraphArray() { + int newMax = maxGraphs + 4; + Graph **newGraphs = new Graph *[newMax + 1]; // plus 1 for EOA +! int i; +! for(i=0; i < maxGraphs; i++) +! newGraphs[i] = graphs[i]; // copy existing graphs if any +! for(i = maxGraphs; i <= newMax; i++) +! newGraphs[i] = nil; +! delete [] graphs; +! graphs = newGraphs; +! maxGraphs = newMax; + } + + // remove one graph and its associated scale from frame +--- 454,469 ---- + DataView::expandGraphArray() { + int newMax = maxGraphs + 4; + Graph **newGraphs = new Graph *[newMax + 1]; // plus 1 for EOA +! if(newGraphs) { +! int i; +! for(i=0; i < maxGraphs; i++) +! newGraphs[i] = graphs[i]; // copy existing graphs if any +! for(i = maxGraphs; i <= newMax; i++) +! newGraphs[i] = nil; +! delete [] graphs; +! graphs = newGraphs; +! maxGraphs = newMax; +! } + } + + // remove one graph and its associated scale from frame +diff -c -r old/edit_menus.C ./edit_menus.C +*** old/edit_menus.C Sun Mar 24 19:14:18 1996 +--- ./edit_menus.C Sun Jul 14 20:37:12 1996 +*************** +*** 61,68 **** + { "Channel Display", "", 0L, false, channelSubmenu }, + { "display copy buffer", "I", XK_I }, + { "close current view", "W", XK_W }, +- { "show program version", " ", XK_yen }, +- { "quit program", "Q", XK_Q }, + { nil } + }; + +--- 61,66 ---- +*************** +*** 86,91 **** +--- 84,91 ---- + { "change file comment...", "\"", XK_quotedbl }, + { "file information...", "?", XK_question }, + { "data dump of selection...", "}", XK_braceright }, ++ { "show program version", " ", XK_yen }, ++ { "quit program", "Q", XK_Q }, + { nil } + }; + +*************** +*** 124,129 **** +--- 124,137 ---- + { nil } + }; + ++ static MenuInfo analysisMenu[] = { ++ { "locate next zero crossing", "0", XK_0 }, ++ { "find slope change", "1", XK_1 }, ++ { "show maxamp sample location","2", XK_2 }, ++ { "extract amplitude envelope", "3", XK_3 }, ++ { nil } ++ }; ++ + static MenuInfo styleSubmenu[] = { + { "line", "%", XK_percent }, + { "bar", "^", XK_asciicircum }, +*************** +*** 241,262 **** + // And now the structs containing the various menu templates + + static MenuBarInfo defaultChannelMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, + { " Edit ", editMenu }, +! { " Display ", channelDisplayMenu }, + { nil } + }; + + static MenuBarInfo soundMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, + { " Edit ", editMenu }, +! { " Modify ", soundModifyMenu }, +! { " Sound ", soundSpecialMenu }, +! { " Analysis ", soundAnalysisMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +--- 249,271 ---- + // And now the structs containing the various menu templates + + static MenuBarInfo defaultChannelMenuBar[] = { + { " File ", fileMenu }, ++ { " View ", viewMenu }, + { " Edit ", editMenu }, +! { " Analysis ", analysisMenu }, +! { " Display ", channelDisplayMenu }, + { nil } + }; + + static MenuBarInfo soundMenuBar[] = { + { " File ", fileMenu }, ++ { " View ", viewMenu }, + { " Edit ", editMenu }, +! { " Modify ", soundModifyMenu }, +! { " Sound ", soundSpecialMenu }, +! { " Analysis ", soundAnalysisMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +*************** +*** 273,285 **** + }; + + static MenuBarInfo lpcMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, + { " LPC ", lpcSpecialMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +--- 282,295 ---- + }; + + static MenuBarInfo lpcMenuBar[] = { + { " File ", fileMenu }, ++ { " View ", viewMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, + { " LPC ", lpcSpecialMenu }, +! { " Analysis ", analysisMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +*************** +*** 293,305 **** + }; + + static MenuBarInfo envelopeMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, +! { " Envelope ", envelopeSpecialMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +--- 303,316 ---- + }; + + static MenuBarInfo envelopeMenuBar[] = { + { " File ", fileMenu }, ++ { " View ", viewMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, +! { " Envelope ", envelopeSpecialMenu }, +! { " Analysis ", analysisMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +*************** +*** 310,322 **** + }; + + static MenuBarInfo pitchMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, +! { " Pitch ", pitchSpecialMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +--- 321,334 ---- + }; + + static MenuBarInfo pitchMenuBar[] = { + { " File ", fileMenu }, ++ { " View ", viewMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, +! { " Pitch ", pitchSpecialMenu }, +! { " Analysis ", analysisMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +*************** +*** 339,354 **** + }; + + static MenuBarInfo defaultFrameMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, +! { " Display ", frameDisplayMenu }, + { nil } + }; + + static MenuInfo pvocSpecialMenu[] = { +! { "harmonically shift spectrum", "0", XK_0 }, +! { "stretch/shrink shift spectrum", "1", XK_1 }, +! { "expand/compress spectrum", "2", XK_2, Inactive }, + { "change file length...", "l", XK_l }, + { "pvoc options...", " ", XK_degree, Inactive }, + { nil } +--- 351,366 ---- + }; + + static MenuBarInfo defaultFrameMenuBar[] = { + { " File ", fileMenu }, +! { " View ", viewMenu }, +! { " Display ", frameDisplayMenu }, + { nil } + }; + + static MenuInfo pvocSpecialMenu[] = { +! { "harmonically shift spectrum", "t", XK_t }, +! { "stretch/shrink shift spectrum", "T", XK_T }, +! { "expand/compress spectrum", "X", XK_X, Inactive }, + { "change file length...", "l", XK_l }, + { "pvoc options...", " ", XK_degree, Inactive }, + { nil } +*************** +*** 355,367 **** + }; + + static MenuBarInfo pvocMenuBar[] = { +- { " View ", viewMenu }, + { " File ", fileMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, + { " PVoc ", pvocSpecialMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +--- 367,380 ---- + }; + + static MenuBarInfo pvocMenuBar[] = { + { " File ", fileMenu }, ++ { " View ", viewMenu }, + { " Edit ", editMenu }, +! { " Modify ", modifyMenu }, + { " PVoc ", pvocSpecialMenu }, +! { " Analysis ", analysisMenu }, +! { " Display ", channelDisplayMenu }, +! { " Options ", optionsMenu }, + { nil } + }; + +diff -c -r old/editor.C ./editor.C +*** old/editor.C Sat May 11 21:38:27 1996 +--- ./editor.C Sat Jul 13 15:38:38 1996 +*************** +*** 861,867 **** + int peakchan, peakloc; + data->maxValue(&peakchan, &peakloc); + Range chan(peakchan, peakchan); +! controller->showInsertPoint(peakloc, chan); + return Succeed; + } + +--- 861,867 ---- + int peakchan, peakloc; + data->maxValue(&peakchan, &peakloc); + Range chan(peakchan, peakchan); +! controller->showInsertPoint(peakloc, chan, true); + return Succeed; + } + +*************** +*** 1001,1007 **** + PulseGenerator pgen(pulses, pulseFrameSize/pulsePerFrame); + pgen.apply(); + FormantFilter filter(pulses, pulses, selected, 1.0); +! filter.apply(); + Envelope* amplitudes = new Envelope(lpcLen * pulsePerFrame); + amplitudes->setFrameRangeLabel("LPC Analysis Frames"); + amplitudes->setRangeFactor(1.0/pulsePerFrame); +--- 1001,1008 ---- + PulseGenerator pgen(pulses, pulseFrameSize/pulsePerFrame); + pgen.apply(); + FormantFilter filter(pulses, pulses, selected, 1.0); +! if(!filter.apply()) +! return Fail; + Envelope* amplitudes = new Envelope(lpcLen * pulsePerFrame); + amplitudes->setFrameRangeLabel("LPC Analysis Frames"); + amplitudes->setRangeFactor(1.0/pulsePerFrame); +*************** +*** 1026,1032 **** + Application::inform("Creating test pattern..."); + pgen.apply(); + FormantFilter filter(pulses, pulses, selected, 1.0); +! filter.apply(); + Application::inform("Analyzing formants..."); + // fft size depends on npoles + FFT_Function analyzer( +--- 1027,1034 ---- + Application::inform("Creating test pattern..."); + pgen.apply(); + FormantFilter filter(pulses, pulses, selected, 1.0); +! if(!filter.apply()) +! return Fail; + Application::inform("Analyzing formants..."); + // fft size depends on npoles + FFT_Function analyzer( +diff -c -r old/filecommand.C ./filecommand.C +*** old/filecommand.C Sun Mar 10 13:35:00 1996 +--- ./filecommand.C Mon Aug 5 23:45:29 1996 +*************** +*** 132,138 **** + request->appendValue("Duration (seconds):", &client->duration, + PositiveIntegers); + request->appendValue("Sample rate:", &client->sampleRate, PositiveIntegers); +! request->appendChoice("Channels:", "|1|2|4|", &client->channels, true); + FormatRequester::configureRequest(request); + } + +--- 132,138 ---- + request->appendValue("Duration (seconds):", &client->duration, + PositiveIntegers); + request->appendValue("Sample rate:", &client->sampleRate, PositiveIntegers); +! request->appendValue("Channels:", &client->channels, PositiveIntegers); + FormatRequester::configureRequest(request); + } + +diff -c -r old/header.h ./header.h +*** old/header.h Tue Mar 5 09:53:28 1996 +--- ./header.h Mon Aug 5 23:43:58 1996 +*************** +*** 110,116 **** + int data_offset; + int data_size; + unsigned short data_type; +! unsigned short nchans; + Comment *comment; + private: + boolean forceSwapped; // used to override header default during raw read +--- 110,116 ---- + int data_offset; + int data_size; + unsigned short data_type; +! int nchans; + Comment *comment; + private: + boolean forceSwapped; // used to override header default during raw read +diff -c -r old/header_config.C ./header_config.C +*** old/header_config.C Sat Jun 8 14:49:21 1996 +--- ./header_config.C Mon Aug 5 23:42:51 1996 +*************** +*** 94,102 **** + void + SoundHeader::SoundConfigRequester::configureRequest(Request* request) { + SoundHeader* sh = (SoundHeader *) myHeader; +! request->appendValue("Sample rate:", &sh->samprate, +! PositiveIntegers); +! request->appendChoice("Channels:", "|1|2|4|", &sh->nchans, true); + FormatRequester::configureRequest(request); + ConfigRequester::configureRequest(request); + } +--- 94,101 ---- + void + SoundHeader::SoundConfigRequester::configureRequest(Request* request) { + SoundHeader* sh = (SoundHeader *) myHeader; +! request->appendValue("Sample rate:", &sh->samprate, PositiveIntegers); +! request->appendValue("Channels:", &sh->nchans, PositiveIntegers); + FormatRequester::configureRequest(request); + ConfigRequester::configureRequest(request); + } +diff -c -r old/pvoceditor.C ./pvoceditor.C +*** old/pvoceditor.C Sun Mar 24 19:14:47 1996 +--- ./pvoceditor.C Sat Jul 13 15:00:58 1996 +*************** +*** 40,49 **** + PvocEditor::keyCommand(unsigned long sym) { + boolean interested = true; + switch (sym) { +! case XK_0: + harmonicShift(); + break; +! case XK_1: + stretchShift(); + break; + default: +--- 40,49 ---- + PvocEditor::keyCommand(unsigned long sym) { + boolean interested = true; + switch (sym) { +! case XK_t: + harmonicShift(); + break; +! case XK_T: + stretchShift(); + break; + default: +diff -c -r old/soundheader.C ./soundheader.C +*** old/soundheader.C Tue Apr 30 20:29:59 1996 +--- ./soundheader.C Mon Aug 5 23:05:47 1996 +*************** +*** 122,129 **** + char msg[64]; + msg[0] = '\0'; // null for later check + int retcode = 0; +! if(nchans != 1 && nchans != 2 && nchans != 4) +! sprintf(msg, "%d-channel sounds not supported", nchans); + else if(samprate < 1000 || samprate > 128000) + sprintf(msg, "Invalid sound samp rate (%d)", samprate); + else if(data_type == NoData) +--- 122,130 ---- + char msg[64]; + msg[0] = '\0'; // null for later check + int retcode = 0; +! if(!isRaw() && !validChannels(nchans)) +! sprintf(msg, "Illegal channel count for this header type: %d", +! nchans); + else if(samprate < 1000 || samprate > 128000) + sprintf(msg, "Invalid sound samp rate (%d)", samprate); + else if(data_type == NoData) +diff -c -r old/soundheader.h ./soundheader.h +*** old/soundheader.h Tue Apr 30 20:29:11 1996 +--- ./soundheader.h Mon Aug 5 23:02:26 1996 +*************** +*** 71,76 **** +--- 71,77 ---- + redefined int secondsToBytes(double); + redefined int checkHeader(); + virtual boolean isValid(DataType)=0; ++ virtual boolean validChannels(int chans) { return chans > 0; } + SoundHeader(DataType, int rate, int chans, double peak, int magic); + class SoundConfigRequester + : public Header::ConfigRequester, public FormatRequester { +*************** +*** 198,203 **** +--- 199,207 ---- + redefined boolean isMagic(); + redefined boolean isValid(DataType t) { + return (t == ShortData || t == FloatData); ++ } ++ redefined boolean validChannels(int chans) { ++ return chans == 1 || chans == 2 || chans == 4; + } + redefined int writeInfo(DataFile *); + }; +diff -c -r old/version.C ./version.C +*** old/version.C Fri Dec 22 23:22:26 1995 +--- ./version.C Sun Aug 25 10:17:39 1996 +*************** +*** 24,27 **** + + #include "version.h" + +! const char MXV_version_string[] = "MiXViews (mxv) version 1.1 pl 00"; +--- 24,27 ---- + + #include "version.h" + +! const char MXV_version_string[] = "MiXViews (mxv) version 1.1 pl 01"; +diff -c -r old/viewchanger.C ./viewchanger.C +*** old/viewchanger.C Tue Mar 19 21:26:41 1996 +--- ./viewchanger.C Sat Jul 13 23:23:15 1996 +*************** +*** 41,48 **** + class MinMaxRequester : public TitledRequester { + public: + MinMaxRequester(const char* title, +! const char* minlabel, T& minval, const Range &, +! const char* maxlabel, T& maxval, const Range &); + protected: + redefined void configureRequest(Request *); + protected: +--- 41,48 ---- + class MinMaxRequester : public TitledRequester { + public: + MinMaxRequester(const char* title, +! const char* minlabel, T& minval, const Range, +! const char* maxlabel, T& maxval, const Range); + protected: + redefined void configureRequest(Request *); + protected: +*************** +*** 50,63 **** + const char* maxLabel; + T &minVal; + T &maxVal; +! const Range &minRange; +! const Range &maxRange; + }; + + template <class T> + MinMaxRequester<T>::MinMaxRequester(const char* title, +! const char* minlabel, T& minval, const Range& minrange, +! const char* maxlabel, T& maxval, const Range& maxrange) + : TitledRequester(title), minLabel(minlabel), maxLabel(maxlabel), + minVal(minval), maxVal(maxval), + minRange(minrange), maxRange(maxrange) {} +--- 50,63 ---- + const char* maxLabel; + T &minVal; + T &maxVal; +! const Range minRange; +! const Range maxRange; + }; + + template <class T> + MinMaxRequester<T>::MinMaxRequester(const char* title, +! const char* minlabel, T& minval, const Range minrange, +! const char* maxlabel, T& maxval, const Range maxrange) + : TitledRequester(title), minLabel(minlabel), maxLabel(maxlabel), + minVal(minval), maxVal(maxval), + minRange(minrange), maxRange(maxrange) {} +*************** +*** 248,254 **** + + class EditFramesRequester : public MinMaxRequester<int> { + public: +! EditFramesRequester(int&, int&, int&, int&, const Range&); + protected: + redefined void configureRequest(Request *); + private: +--- 248,254 ---- + + class EditFramesRequester : public MinMaxRequester<int> { + public: +! EditFramesRequester(int&, int&, int&, int&, const Range); + protected: + redefined void configureRequest(Request *); + private: +*************** +*** 258,264 **** + + EditFramesRequester::EditFramesRequester(int& minframe, int& maxframe, + int& startchan, int& endchan, +! const Range& channelRange) + : MinMaxRequester<int>( + "Set Edit Region:", + "Start Channel:", startchan, channelRange, +--- 258,264 ---- + + EditFramesRequester::EditFramesRequester(int& minframe, int& maxframe, + int& startchan, int& endchan, +! const Range channelRange) + : MinMaxRequester<int>( + "Set Edit Region:", + "Start Channel:", startchan, channelRange, +*************** +*** 274,280 **** + + class EditTimeRequester : public MinMaxRequester<int> { + public: +! EditTimeRequester(double&, double&, int&, int&, const Range &); + protected: + redefined void configureRequest(Request *); + private: +--- 274,280 ---- + + class EditTimeRequester : public MinMaxRequester<int> { + public: +! EditTimeRequester(double&, double&, int&, int&, const Range); + protected: + redefined void configureRequest(Request *); + private: +*************** +*** 285,291 **** + EditTimeRequester::EditTimeRequester( + double& mintime, double& maxtime, + int& startchan, int& endchan, +! const Range& channelRange) + : MinMaxRequester<int>( + "Set Edit Region:", + "Start Channel:", startchan, channelRange, +--- 285,291 ---- + EditTimeRequester::EditTimeRequester( + double& mintime, double& maxtime, + int& startchan, int& endchan, +! const Range channelRange) + : MinMaxRequester<int>( + "Set Edit Region:", + "Start Channel:", startchan, channelRange, +diff -c -r old/vw_converter.C ./vw_converter.C +*** old/vw_converter.C Sun Jan 28 20:26:05 1996 +--- ./vw_converter.C Mon Aug 5 22:44:36 1996 +*************** +*** 43,49 **** + + boolean + VW_Converter::isPlayableFormat(DataType type) { +! return (type < FloatData && type != SignedCharData); + } + + // what is best format to play (if given choice) +--- 45,51 ---- + + boolean + VW_Converter::isPlayableFormat(DataType type) { +! return (type < IntData && type != SignedCharData); + } + + // what is best format to play (if given choice) +*************** +*** 60,70 **** + return false; + } + +- // add any specific code needed to stop play or record +- + int + VW_Converter::stop() { +! return Super::stop(); + } + + int +--- 62,70 ---- + return false; + } + + int + VW_Converter::stop() { +! return ioctl(SNDCTL_DSP_RESET, 0) && Super::stop(); + } + + int +*************** +*** 87,92 **** +--- 87,93 ---- + int sampleFormat = 0; + switch(dataType()) { + case UnsignedCharData: sampleFormat = AFMT_U8; break; ++ case SignedCharData: sampleFormat = AFMT_S8; break; + // case ALawData: sampleFormat = AFMT_A_LAW; break; + case MuLawData: sampleFormat = AFMT_MU_LAW; break; + case ShortData: sampleFormat = AFMT_S16_LE; break; +*************** +*** 93,119 **** + default: break; + }; + int confirmedFormat = sampleFormat; +! if (!ioctl (SNDCTL_DSP_SPEED, (char *) &dsp_speed)) +! error("Unable to set converter sample rate."); + else if (!ioctl(SNDCTL_DSP_STEREO, (char *) &dsp_stereo)) +! error("Unable to set converter channel attribute."); +! else if (!ioctl(SNDCTL_DSP_SETFMT, (char *) &confirmedFormat) +! || confirmedFormat != sampleFormat) +! error("Unable to set sample size."); + else if(!ioctl(SNDCTL_DSP_GETBLKSIZE, (char *) &audioBufferSize)) + error("Unable to get audio buffer size."); +- else if(audioBufferSize < 1024 || audioBufferSize > (2*65536)) { +- char msg[128]; +- sprintf(msg, "Invalid audio buffer size %d", audioBufferSize); +- error(msg); +- } + else status = true; + } + return status; + } + + // return size of buffer, in bytes, to be written to the device during play +- // this can either be computed or just a static value + + int + VW_Converter::writeSize() { +--- 94,141 ---- + default: break; + }; + int confirmedFormat = sampleFormat; +! +! int sizeCode = 0x1; +! // desired buffer size is 1/10 of a second's worth of sound +! int bufferSize = type_to_sampsize(dataType()) * +! round(float(channels()) * sampleRate() / 10.0); +! #ifdef DEBUG +! fprintf(stderr, "requesting buffer size %d\n", bufferSize); +! #endif +! while(pow(double(2.0), long(sizeCode)) < double(bufferSize)) +! sizeCode <<= 1; +! +! sizeCode >>= 1; // back out by one +! sizeCode |= 2 << 16; +! +! // sizeCode = 0x0002XXXX where XXXX is (int) log2(bufsize) +! // and 0002 is 2 max number of fragments +! +! #ifdef DEBUG +! fprintf(stderr, "setting frag size code to 0x%x\n", sizeCode); +! #endif +! +! if (!ioctl (SNDCTL_DSP_SETFRAGMENT, (char *) &sizeCode)) +! error("Unable to set fragment size."); +! else if (!ioctl(SNDCTL_DSP_SETFMT, (char *) &confirmedFormat)) +! error("Unable to set sample format."); +! else if(confirmedFormat != sampleFormat) +! error("This sample format not supported by hardware."); + else if (!ioctl(SNDCTL_DSP_STEREO, (char *) &dsp_stereo)) +! error("Unable to set channel attribute."); +! else if (!ioctl (SNDCTL_DSP_SPEED, (char *) &dsp_speed)) +! error("Unable to set sample rate."); + else if(!ioctl(SNDCTL_DSP_GETBLKSIZE, (char *) &audioBufferSize)) + error("Unable to get audio buffer size."); + else status = true; ++ #ifdef DEBUG ++ fprintf(stderr, "audio buffer size is %d\n", audioBufferSize); ++ #endif + } + return status; + } + + // return size of buffer, in bytes, to be written to the device during play + + int + VW_Converter::writeSize() { +*************** +*** 121,127 **** + } + + // return size of buffer, in bytes, to be read from the device during record +- // this can either be computed or just a static value + + int + VW_Converter::readSize() { +--- 143,148 ---- |