#include "aubio_priv.h" #if defined(HAVE_SOURCE_APPLE_AUDIO) || defined(HAVE_SINK_APPLE_AUDIO) // CFURLRef, CFURLCreateWithFileSystemPath, ...#include <CoreFoundation/CoreFoundation.h>// ExtAudioFileRef, AudioStreamBasicDescription, AudioBufferList, ...#include <AudioToolbox/AudioToolbox.h> int createAubioBufferList(AudioBufferList *bufferList, int channels, int segmentSize);void freeAudioBufferList(AudioBufferList *bufferList);CFURLRef getURLFromPath(const char * path);char_t *getPrintableOSStatusError(char_t *str, OSStatus error); int createAudioBufferList(AudioBufferList * bufferList, int channels,    int max_source_samples) {  bufferList->mNumberBuffers = 1;  bufferList->mBuffers[0].mNumberChannels = channels;  bufferList->mBuffers[0].mData = AUBIO_ARRAY(smpl_t, max_source_samples);  bufferList->mBuffers[0].mDataByteSize = max_source_samples * sizeof(smpl_t);  return 0;} void freeAudioBufferList(AudioBufferList *bufferList) {  UInt32 i = 0;  if (!bufferList) return;  for (i = 0; i < bufferList->mNumberBuffers; i++) {    if (bufferList->mBuffers[i].mData) {      AUBIO_FREE(bufferList->mBuffers[i].mData);      bufferList->mBuffers[i].mData = NULL;    }  }  bufferList = NULL;} CFURLRef createURLFromPath(const char * path) {  CFStringRef cfTotalPath = CFStringCreateWithCString (kCFAllocatorDefault,      path, kCFStringEncodingUTF8);   CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfTotalPath,      kCFURLPOSIXPathStyle, false);  CFRelease(cfTotalPath);  return url;} char_t *getPrintableOSStatusError(char_t *str, OSStatus error){    // see if it appears to be a 4-char-code    *(UInt32 *)(str + 1) = CFSwapInt32HostToBig(error);    if (isprint(str[1]) && isprint(str[2]) && isprint(str[3]) && isprint(str[4])) {        str[0] = str[5] = '\'';        str[6] = '\0';    } else        // no, format it as an integer        sprintf(str, "%d", (int)error);    return str;} #endif /* defined(HAVE_SOURCE_APPLE_AUDIO) || defined(HAVE_SINK_APPLE_AUDIO) */