}
void
-CoreAudioSource::init (const string& idstr)
+CoreAudioSource::init (string idstr)
{
string::size_type pos;
error << string_compose ("CoreAudioSource: %1 (%2)", cax.mOperation, name()) << endmsg;
throw failed_constructor ();
}
-
- if (_build_peakfiles) {
- if (initialize_peakfile (false, _path)) {
- error << string_compose("CoreAudioSource: initialize peakfile failed (%1)", name()) << endmsg;
- throw failed_constructor ();
- }
- }
}
CoreAudioSource::~CoreAudioSource ()
{
return 0;
}
+
+int
+CoreAudioSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg)
+{
+ FSRef ref;
+ ExtAudioFileRef af = 0;
+ size_t size;
+ CFStringRef name;
+ int ret = -1;
+
+ if (FSPathMakeRef ((UInt8*)path.c_str(), &ref, 0) != noErr) {
+ goto out;
+ }
+
+ if (ExtAudioFileOpen(&ref, &af) != noErr) {
+ goto out;
+ }
+
+ AudioStreamBasicDescription absd;
+ memset(&absd, 0, sizeof(absd));
+ size = sizeof(AudioStreamBasicDescription);
+ if (ExtAudioFileGetProperty (af, kExtAudioFileProperty_FileDataFormat, &size, &absd) != noErr) {
+ goto out;
+ }
+
+ _info.samplerate = absd.mSampleRate;
+ _info.channels = absd.mChannelsPerFrame;
+
+ size = sizeof(_info.length);
+ if (ExtAudioFileGetProperty(af, kExtAudioFileProperty_FileLengthFrames, &size, &_info.length) != noErr) {
+ goto out;
+ }
+
+ size = sizeof(CFStringRef);
+ if (AudioFormatGetProperty(kAudioFormatProperty_FormatName, sizeof(absd), &absd, &size, &name) != noErr) {
+ goto out;
+ }
+
+ _info.format_name = CFStringRefToStdString(name);
+
+ // XXX it would be nice to find a way to get this information if it exists
+
+ _info.timecode = 0;
+ ret = 0;
+
+ out:
+ ExtAudioFileDispose (af);
+ return ret;
+
+}