/**
* If the given resource is an audio file, store it as a file. This is done because we need an
* audio file to play the sound.
*
* @param soundHandle The handle to the sound object. The audio object begins with a null
* terminated mime string, then follows audio data.
*/
void storeIfBinaryAudioResource(int soundHandle) {
ByteBuffer audioData = mMoSyncThread.getBinaryResource(soundHandle);
if (null == audioData) {
SYSLOG("MoSyncAudio.storeIfBinaryAudioResource: " + "Sound data object not found");
return;
}
// Is this an audio object?
if (!checkIfMimeAudioType(audioData)) {
// No it was not.
SYSLOG("MoSyncAudio.storeIfBinaryAudioResource: " + "Not an audio object!");
return;
}
// Read the mime string.
String mimeType = readMimeString(audioData);
if (mimeType == null) {
SYSLOG("MoSyncAudio.storeIfBinaryAudioResource: No mime type!");
return;
}
// Determine the length of the audio data.
int mimeStringLength = mimeType.length() + 1;
int length = audioData.capacity() - mimeStringLength;
SYSLOG(
"MoSyncAudio.storeIfBinaryAudioResource"
+ " initial capacity: "
+ audioData.capacity()
+ " mimeLength: "
+ mimeType.length()
+ " audio length: "
+ length);
try {
// Create file name.
String fileName = "MOSYNCTEMP:audio" + soundHandle + ".tmp";
// Create a temporary audio file.
FileOutputStream audioFileOutputStream =
getActivity()
.openFileOutput(fileName, Context.MODE_WORLD_READABLE | Context.MODE_WORLD_WRITEABLE);
// Open a file channel to write audio data to.
FileChannel channel = audioFileOutputStream.getChannel();
// Set position to start of audio data.
audioData.position(mimeStringLength);
// Write data.
channel.write(audioData);
// Close the channel, also closes the output stream.
channel.close();
// Add entry to audio resource table.
mAudioStores.put(soundHandle, new AudioStore(mimeType, length, fileName));
} catch (Exception ex) {
Log.e("MoSyncSound.storeIfBinaryAudioResource", "Unable to save temporary audio file.");
ex.printStackTrace();
}
}
