3 #if defined(HAVE_SOURCE_APPLE_AUDIO) || defined(HAVE_SINK_APPLE_AUDIO)
5 // CFURLRef, CFURLCreateWithFileSystemPath, ...
6 #include <CoreFoundation/CoreFoundation.h>
7 // ExtAudioFileRef, AudioStreamBasicDescription, AudioBufferList, ...
8 #include <AudioToolbox/AudioToolbox.h>
9 #include "aubio_priv.h"
11 int createAubioBufferList(AudioBufferList *bufferList, int channels, int segmentSize);
12 void freeAudioBufferList(AudioBufferList *bufferList);
13 CFURLRef getURLFromPath(const char * path);
14 char_t *getPrintableOSStatusError(char_t *str, OSStatus error);
16 int createAubioBufferList(AudioBufferList * bufferList, int channels, int max_source_samples) {
17 bufferList->mNumberBuffers = 1;
18 bufferList->mBuffers[0].mNumberChannels = channels;
19 bufferList->mBuffers[0].mData = AUBIO_ARRAY(short, max_source_samples);
20 bufferList->mBuffers[0].mDataByteSize = max_source_samples * sizeof(short);
24 void freeAudioBufferList(AudioBufferList *bufferList) {
26 if (!bufferList) return;
27 for (i = 0; i < bufferList->mNumberBuffers; i++) {
28 if (bufferList->mBuffers[i].mData) {
29 AUBIO_FREE(bufferList->mBuffers[i].mData);
30 bufferList->mBuffers[i].mData = NULL;
36 CFURLRef getURLFromPath(const char * path) {
37 CFStringRef cfTotalPath = CFStringCreateWithCString (kCFAllocatorDefault,
38 path, kCFStringEncodingUTF8);
40 return CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfTotalPath,
41 kCFURLPOSIXPathStyle, false);
44 char_t *getPrintableOSStatusError(char_t *str, OSStatus error)
46 // see if it appears to be a 4-char-code
47 *(UInt32 *)(str + 1) = CFSwapInt32HostToBig(error);
48 if (isprint(str[1]) && isprint(str[2]) && isprint(str[3]) && isprint(str[4])) {
49 str[0] = str[5] = '\'';
52 // no, format it as an integer
53 sprintf(str, "%d", (int)error);
57 #endif /* defined(HAVE_SOURCE_APPLE_AUDIO) || defined(HAVE_SINK_APPLE_AUDIO) */