Changes in src/io/sink_apple_audio.c [7b5e1a5:cf387e3]

File:

• src/io/sink_apple_audio.c (modified) (9 diffs)

src/io/sink_apple_audio.c

@@ -32 +32 @@
 #include <AudioToolbox/AudioToolbox.h>
 
-extern int createAudioBufferList(AudioBufferList *bufferList, int channels, int segmentSize);
+#define FLOAT_TO_SHORT(x) (short)(x * 32768)
+
+extern int createAubioBufferList(AudioBufferList *bufferList, int channels, int segmentSize);
 extern void freeAudioBufferList(AudioBufferList *bufferList);
 extern CFURLRef createURLFromPath(const char * path);
@@ -75 +77 @@
     return s;
   }
-
   // invalid samplerate given, abort
   if (aubio_io_validate_samplerate("sink_apple_audio", s->path, samplerate)) {
@@ -150 +151 @@
   CFURLRef fileURL = createURLFromPath(s->path);
   bool overwrite = true;
-
-  // set the in-memory format
-  AudioStreamBasicDescription inputFormat;
-  memset(&inputFormat, 0, sizeof(AudioStreamBasicDescription));
-  inputFormat.mFormatID         = kAudioFormatLinearPCM;
-  inputFormat.mSampleRate       = (Float64)(s->samplerate);
-  inputFormat.mFormatFlags      = kAudioFormatFlagIsFloat | kAudioFormatFlagIsPacked;
-  inputFormat.mChannelsPerFrame = s->channels;
-  inputFormat.mBitsPerChannel   = sizeof(smpl_t) * 8;
-  inputFormat.mFramesPerPacket  = 1;
-  inputFormat.mBytesPerFrame    = inputFormat.mBitsPerChannel * inputFormat.mChannelsPerFrame / 8;
-  inputFormat.mBytesPerPacket   = inputFormat.mFramesPerPacket * inputFormat.mBytesPerFrame;
   OSStatus err = noErr;
   err = ExtAudioFileCreateWithURL(fileURL, fileType, &clientFormat, NULL,
@@ -173 +162 @@
     goto beach;
   }
-
-  err = ExtAudioFileSetProperty(s->audioFile,
-      kExtAudioFileProperty_ClientDataFormat,
-      sizeof(AudioStreamBasicDescription), &inputFormat);
-  if (err) {
-    char_t errorstr[20];
-    AUBIO_ERR("sink_apple_audio: error when trying to set output format on %s "
-        "(%s)\n", s->path, getPrintableOSStatusError(errorstr, err));
-    goto beach;
-  }
-
-  if (createAudioBufferList(&s->bufferList, s->channels, s->max_frames * s->channels)) {
+  if (createAubioBufferList(&s->bufferList, s->channels, s->max_frames * s->channels)) {
     AUBIO_ERR("sink_apple_audio: error when creating buffer list for %s, "
         "out of memory? \n", s->path);
@@ -197 +175 @@
 void aubio_sink_apple_audio_do(aubio_sink_apple_audio_t * s, fvec_t * write_data, uint_t write) {
   UInt32 c, v;
-  smpl_t *data = (smpl_t*)s->bufferList.mBuffers[0].mData;
+  short *data = (short*)s->bufferList.mBuffers[0].mData;
   uint_t length = aubio_sink_validate_input_length("sink_apple_audio", s->path,
       s->max_frames, write_data->length, write);
@@ -203 +181 @@
   for (c = 0; c < s->channels; c++) {
     for (v = 0; v < length; v++) {
-      data[v * s->channels + c] = write_data->data[v];
+      data[v * s->channels + c] = FLOAT_TO_SHORT(write_data->data[v]);
     }
   }
@@ -212 +190 @@
 void aubio_sink_apple_audio_do_multi(aubio_sink_apple_audio_t * s, fmat_t * write_data, uint_t write) {
   UInt32 c, v;
-  smpl_t *data = (smpl_t*)s->bufferList.mBuffers[0].mData;
+  short *data = (short*)s->bufferList.mBuffers[0].mData;
   uint_t channels = aubio_sink_validate_input_channels("sink_apple_audio",
       s->path, s->channels, write_data->height);
@@ -220 +198 @@
   for (c = 0; c < channels; c++) {
     for (v = 0; v < length; v++) {
-      data[v * s->channels + c] = write_data->data[c][v];
+      data[v * s->channels + c] = FLOAT_TO_SHORT(write_data->data[c][v]);
     }
   }
@@ -229 +207 @@
 void aubio_sink_apple_audio_write(aubio_sink_apple_audio_t *s, uint_t write) {
   OSStatus err = noErr;
-  // set mDataByteSize to match the number of frames to be written
-  // see https://www.mail-archive.com/coreaudio-api@lists.apple.com/msg01109.html
-  s->bufferList.mBuffers[0].mDataByteSize = write * s->channels
-    * sizeof(smpl_t);
   if (s->async) {
     err = ExtAudioFileWriteAsync(s->audioFile, write, &s->bufferList);