Changeset 944c7e1 for src/io/source_apple_audio.c

Timestamp:

Feb 10, 2013, 5:12:28 AM (12 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

87b0c03

Parents:

f8ee337

Message:

src/io/source_apple_audio.c: automagically set samplerate if 0 was requested, add _get_samplerate

File:

• src/io/source_apple_audio.c (modified) (4 diffs)

src/io/source_apple_audio.c

@@ -55 +55 @@
 
   s->path = path;
-  s->samplerate = samplerate;
   s->block_size = block_size;
   s->channels = 1;
@@ -61 +60 @@
   OSStatus err = noErr;
   UInt32 propSize;
-
-  AudioStreamBasicDescription clientFormat;
-  propSize = sizeof(clientFormat);
-  memset(&clientFormat, 0, sizeof(AudioStreamBasicDescription));
-  clientFormat.mFormatID         = kAudioFormatLinearPCM;
-  clientFormat.mSampleRate       = (Float64)(s->samplerate);
-  clientFormat.mFormatFlags      = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
-  clientFormat.mChannelsPerFrame = s->channels;
-  clientFormat.mBitsPerChannel   = sizeof(short) * 8;
-  clientFormat.mFramesPerPacket  = 1;
-  clientFormat.mBytesPerFrame    = clientFormat.mBitsPerChannel * clientFormat.mChannelsPerFrame / 8;
-  clientFormat.mBytesPerPacket   = clientFormat.mFramesPerPacket * clientFormat.mBytesPerFrame;
-  clientFormat.mReserved         = 0;
 
   // open the resource url
@@ -89 +75 @@
       kExtAudioFileProperty_FileDataFormat, &propSize, &fileFormat);
   if (err) { AUBIO_ERROR("error in ExtAudioFileGetProperty, %d\n", (int)err); goto beach;}
+
+  if (samplerate == 0) {
+    samplerate = fileFormat.mSampleRate;
+    AUBIO_WRN("sampling rate set to 0, automagically adjusting to %d", samplerate);
+  }
+  s->samplerate = samplerate;
+
+  AudioStreamBasicDescription clientFormat;
+  propSize = sizeof(clientFormat);
+  memset(&clientFormat, 0, sizeof(AudioStreamBasicDescription));
+  clientFormat.mFormatID         = kAudioFormatLinearPCM;
+  clientFormat.mSampleRate       = (Float64)(s->samplerate);
+  clientFormat.mFormatFlags      = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
+  clientFormat.mChannelsPerFrame = s->channels;
+  clientFormat.mBitsPerChannel   = sizeof(short) * 8;
+  clientFormat.mFramesPerPacket  = 1;
+  clientFormat.mBytesPerFrame    = clientFormat.mBitsPerChannel * clientFormat.mChannelsPerFrame / 8;
+  clientFormat.mBytesPerPacket   = clientFormat.mFramesPerPacket * clientFormat.mBytesPerFrame;
+  clientFormat.mReserved         = 0;
 
   // set the client format description
@@ -176 +181 @@
 }
 
+uint_t aubio_source_apple_audio_get_samplerate(aubio_source_apple_audio_t * s) {
+  return s->samplerate;
+}
+
 #endif /* __APPLE__ */