prepare to add file out - does not compile!

src/audio/file.cpp

@@ -0,0 +1,99 @@
+#include <sndfile.h>
+#include <string.h>
+#include "file.h"
+#include "taAudio.h"
+
+void TAAudioFile::onProcess(unsigned char* buf, int nframes) {
+  if (audioProcCallback!=NULL) {
+    audioProcCallback(audioProcCallbackUser,inBufs,outBufs,desc.inChans,desc.outChans,desc.bufsize);
+  }
+  /*
+  float* fbuf=(float*)buf;
+  for (size_t j=0; j<desc.bufsize; j++) {
+    for (size_t i=0; i<desc.outChans; i++) {
+      fbuf[j*desc.outChans+i]=outBufs[i][j];
+    }
+  }*/
+}
+
+void* TAAudioFile::getContext() {
+  return file;
+}
+
+bool TAAudioFile::quit() {
+  if (!initialized) return false;
+
+  if (file!=NULL) {
+    sf_close(file);
+    file=NULL;
+  }
+
+  if (running) {
+    running=false;
+  }
+
+  for (int i=0; i<desc.outChans; i++) {
+    delete[] outBufs[i];
+  }
+
+  delete[] outBufs;
+  
+  initialized=false;
+  return true;
+}
+
+bool TAAudioFile::setRun(bool run) {
+  if (!initialized) return false;
+  SDL_PauseAudioDevice(ai,!run);
+  running=run;
+  return running;
+}
+
+bool TAAudioFile::init(TAAudioDesc& request, TAAudioDesc& response) {
+  if (initialized) return false;
+
+  TAAudioDesc desc=request;
+
+  if (desc.inChans>0) return false;
+
+  memset(si,0,sizeof(SF_INFO));
+  si.channels=request.outChans;
+  si.samplerate=request.rate;
+  switch (request.outFormat) {
+    case TA_AUDIO_FORMAT_F32:
+      si.format=SF_FORMAT_FLOAT;
+      break;
+    case TA_AUDIO_FORMAT_F64:
+      si.format=SF_FORMAT_DOUBLE;
+      break;
+    case TA_AUDIO_FORMAT_U8:
+      si.format=SF_FORMAT_PCM_U8;
+      break;
+    case TA_AUDIO_FORMAT_S8:
+      si.format=SF_FORMAT_PCM_S8;
+      break;
+    case TA_AUDIO_FORMAT_S16:
+      si.format=SF_FORMAT_PCM_16;
+      break;
+    case TA_AUDIO_FORMAT_S32:
+      si.format=SF_FORMAT_PCM_32;
+      break;
+    default:
+      return false;
+  }
+  si.format|=SF_FORMAT_WAV;
+
+  file=sf_open(request.name.c_str(),SFM_WRITE,&si);
+  if (file==NULL) return false;
+
+  if (desc.outChans>0) {
+    outBufs=new float*[desc.outChans];
+    for (int i=0; i<desc.outChans; i++) {
+      outBufs[i]=new float[desc.bufsize];
+    }
+  }
+
+  response=desc;
+  initialized=true;
+  return true;
+}

src/audio/file.h

@@ -0,0 +1,18 @@
+#include "taAudio.h"
+#include <sndfile.h>
+
+class TAAudioFile: public TAAudio {
+  float** iInBufs;
+  float** iOutBufs;
+
+  SNDFILE* file;
+  SF_INFO si;
+
+  public:
+    void onProcess(unsigned char* buf, int nframes);
+
+    void* getContext();
+    bool quit();
+    bool setRun(bool run);
+    bool init(TAAudioDesc& request, TAAudioDesc& response);
+};