int app_OpenSound()
{
Float64 sampleRate = 44100.0;
int i;
UInt32 bufferBytes;
Uint32 err;
app_MuteSound();
soundInit = 0;
if(!config.enable_sound)
return 0;
in.mDataFormat.mSampleRate = sampleRate;
in.mDataFormat.mFormatID = kAudioFormatLinearPCM;
in.mDataFormat.mFormatFlags =
kLinearPCMFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
in.mDataFormat.mBytesPerPacket = 4;
in.mDataFormat.mFramesPerPacket = 2;
in.mDataFormat.mBytesPerFrame = 2;
in.mDataFormat.mChannelsPerFrame = 1;
in.mDataFormat.mBitsPerChannel = 16;
// Pre-buffer before we turn on audio
err = AudioQueueNewOutput(&in.mDataFormat, AQBufferCallback,
NULL, NULL, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode,
0, &in.queue);
bufferBytes = IPHONE_AUDIO_BUFFER_SIZE;
for(i = 0; i < IPHONE_AUDIO_BUFFERS; i++)
{
err = AudioQueueAllocateBuffer(in.queue, bufferBytes, &in.mBuffers[i]);
in.mBuffers[i]->mAudioDataByteSize = IPHONE_AUDIO_BUFFER_SIZE;
// "Prime" by calling the callback once per buffer
AudioQueueEnqueueBuffer(in.queue, in.mBuffers[i], 0, NULL);
}
soundInit = 1;
err = AudioQueueStart(in.queue, NULL);
return 0;
}
u32 AudioPluginOSX::AudioThread(void * arg)
{
AudioPluginOSX * plugin = static_cast<AudioPluginOSX *>(arg);
AudioStreamBasicDescription format;
format.mSampleRate = kOutputFrequency;
format.mFormatID = kAudioFormatLinearPCM;
format.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
format.mBitsPerChannel = 8 * sizeof(s16);
format.mChannelsPerFrame = kNumChannels;
format.mBytesPerFrame = sizeof(s16) * kNumChannels;
format.mFramesPerPacket = 1;
format.mBytesPerPacket = format.mBytesPerFrame * format.mFramesPerPacket;
format.mReserved = 0;
AudioQueueRef queue;
AudioQueueBufferRef buffers[kNumBuffers];
AudioQueueNewOutput(&format, &AudioCallback, plugin, CFRunLoopGetCurrent(), kCFRunLoopCommonModes, 0, &queue);
for (u32 i = 0; i < kNumBuffers; ++i)
{
AudioQueueAllocateBuffer(queue, kAudioQueueBufferLength, &buffers[i]);
buffers[i]->mAudioDataByteSize = kAudioQueueBufferLength;
AudioCallback(plugin, queue, buffers[i]);
}
AudioQueueStart(queue, NULL);
CFRunLoopRun();
AudioQueueStop(queue, false);
AudioQueueDispose(queue, false);
for (u32 i = 0; i < kNumBuffers; ++i)
{
AudioQueueFreeBuffer(queue, buffers[i]);
buffers[i] = NULL;
}
return 0;
}
bool IPhoneSoundDevice::Init()
{
// Initialize the default audio session object to tell it
// to allow background music, and to tell us when audio
// gets resumed (like if a phone call comes in, iphone takes
// over audio. If the user then ignores the phone call, the
// audio needs to be turned on again.
AudioSessionInitialize(NULL, NULL, wi::InterruptionListener, this);
UInt32 category = kAudioSessionCategory_UserInterfaceSoundEffects;
AudioSessionSetProperty(kAudioSessionProperty_AudioCategory,
sizeof(category), &category);
AudioSessionSetActive(true);
// Set up streaming
AudioStreamBasicDescription desc;
desc.mSampleRate = 8000;
desc.mFormatID = kAudioFormatLinearPCM;
desc.mFormatFlags = kAudioFormatFlagIsPacked;
desc.mBytesPerPacket = 1;
desc.mFramesPerPacket = 1;
desc.mBytesPerFrame = 1;
desc.mChannelsPerFrame = 1;
desc.mBitsPerChannel = 8;
OSStatus err = AudioQueueNewOutput(&desc, AudioCallback, this,
NULL,
kCFRunLoopCommonModes,
0, &m_haq);
if (err != 0) {
return false;
}
for (int i = 0; i < kcBuffers; i++) {
err = AudioQueueAllocateBuffer(m_haq, kcbBuffer, &m_apaqb[i]);
if (err != 0) {
return false;
}
}
return true;
}
void setupWrite(MSFilter * f)
{
AQData *d = (AQData *) f->data;
OSStatus err;
int bufferIndex;
for (bufferIndex = 0; bufferIndex < kNumberAudioOutDataBuffers;
++bufferIndex) {
err = AudioQueueAllocateBuffer(d->writeQueue,
d->writeBufferByteSize,
&d->writeBuffers[bufferIndex]
);
if (err != noErr) {
ms_error("setupWrite:AudioQueueAllocateBuffer %d", err);
}
}
}
void audio_init(audio_player_t *player) {
int i;
TAILQ_INIT(&player->af.q);
player->af.qlen = 0;
pthread_mutex_init(&player->af.mutex, NULL);
pthread_cond_init(&player->af.cond, NULL);
player->internal_state = malloc(sizeof(state_t));
state_t *state = (state_t *) player->internal_state;
bzero(state, sizeof(state_t));
state->desc.mFormatID = kAudioFormatLinearPCM;
state->desc.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
state->desc.mSampleRate = 44100;
state->desc.mChannelsPerFrame = 2;
state->desc.mFramesPerPacket = 1;
state->desc.mBytesPerFrame = sizeof (short) * state->desc.mChannelsPerFrame;
state->desc.mBytesPerPacket = state->desc.mBytesPerFrame;
state->desc.mBitsPerChannel = (state->desc.mBytesPerFrame*8) / state->desc.mChannelsPerFrame;
state->desc.mReserved = 0;
state->buffer_size = state->desc.mBytesPerFrame * state->desc.mSampleRate;
if (noErr != AudioQueueNewOutput(&state->desc, audio_callback, player, NULL, NULL, 0, &state->queue)) {
fprintf(stderr, "audioqueue error\n");
return;
}
AudioQueueAddPropertyListener(state->queue, kAudioQueueProperty_IsRunning, stopped_callback, player);
// Start some empty playback so we'll get the callbacks that fill in the actual audio.
for (i = 0; i < BUFFER_COUNT; ++i) {
AudioQueueAllocateBuffer(state->queue, state->buffer_size, &state->buffers[i]);
state->free_buffers[i] = state->buffers[i];
}
state->free_buffer_count = BUFFER_COUNT;
state->playing = false;
state->should_stop = false;
}
void audio_init(audio_fifo_t *af)
{
int i;
TAILQ_INIT(&af->q);
af->qlen = 0;
pthread_mutex_init(&af->mutex, NULL);
pthread_cond_init(&af->cond, NULL);
bzero(&state, sizeof(state));
state.desc.mFormatID = kAudioFormatLinearPCM;
state.desc.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
state.desc.mSampleRate = 44100;
state.desc.mChannelsPerFrame = 2;
state.desc.mFramesPerPacket = 1;
state.desc.mBytesPerFrame = sizeof(short) * state.desc.mChannelsPerFrame;
state.desc.mBytesPerPacket = state.desc.mBytesPerFrame;
state.desc.mBitsPerChannel = (state.desc.mBytesPerFrame*8)/state.desc.mChannelsPerFrame;
state.desc.mReserved = 0;
state.buffer_size = state.desc.mBytesPerFrame * kSampleCountPerBuffer;
if (noErr != AudioQueueNewOutput(&state.desc, audio_callback, af, NULL, NULL, 0, &state.queue)) {
printf("audioqueue error\n");
return;
}
// Start some empty playback so we'll get the callbacks that fill in the actual audio.
for (i = 0; i < BUFFER_COUNT; ++i) {
AudioQueueAllocateBuffer(state.queue, state.buffer_size, &state.buffers[i]);
state.buffers[i]->mAudioDataByteSize = state.buffer_size;
AudioQueueEnqueueBuffer(state.queue, state.buffers[i], 0, NULL);
}
if (noErr != AudioQueueStart(state.queue, NULL)) puts("AudioQueueStart failed");
}
void DoAQOfflineRender(CFURLRef sourceURL, CFURLRef destinationURL)
{
// main audio queue code
try {
AQTestInfo myInfo;
myInfo.mDone = false;
myInfo.mFlushed = false;
myInfo.mCurrentPacket = 0;
// get the source file
XThrowIfError(AudioFileOpenURL(sourceURL, 0x01/*fsRdPerm*/, 0/*inFileTypeHint*/, &myInfo.mAudioFile), "AudioFileOpen failed");
UInt32 size = sizeof(myInfo.mDataFormat);
XThrowIfError(AudioFileGetProperty(myInfo.mAudioFile, kAudioFilePropertyDataFormat, &size, &myInfo.mDataFormat), "couldn't get file's data format");
printf ("File format: "); myInfo.mDataFormat.Print();
// create a new audio queue output
XThrowIfError(AudioQueueNewOutput(&myInfo.mDataFormat, // The data format of the audio to play. For linear PCM, only interleaved formats are supported.
AQTestBufferCallback, // A callback function to use with the playback audio queue.
&myInfo, // A custom data structure for use with the callback function.
CFRunLoopGetCurrent(), // The event loop on which the callback function pointed to by the inCallbackProc parameter is to be called.
// If you specify NULL, the callback is invoked on one of the audio queue’s internal threads.
kCFRunLoopCommonModes, // The run loop mode in which to invoke the callback function specified in the inCallbackProc parameter.
0, // Reserved for future use. Must be 0.
&myInfo.mQueue), // On output, the newly created playback audio queue object.
"AudioQueueNew failed");
UInt32 bufferByteSize;
// we need to calculate how many packets we read at a time and how big a buffer we need
// we base this on the size of the packets in the file and an approximate duration for each buffer
{
bool isFormatVBR = (myInfo.mDataFormat.mBytesPerPacket == 0 || myInfo.mDataFormat.mFramesPerPacket == 0);
// first check to see what the max size of a packet is - if it is bigger
// than our allocation default size, that needs to become larger
UInt32 maxPacketSize;
size = sizeof(maxPacketSize);
XThrowIfError(AudioFileGetProperty(myInfo.mAudioFile, kAudioFilePropertyPacketSizeUpperBound, &size, &maxPacketSize), "couldn't get file's max packet size");
// adjust buffer size to represent about a second of audio based on this format
CalculateBytesForTime(myInfo.mDataFormat, maxPacketSize, 1.0/*seconds*/, &bufferByteSize, &myInfo.mNumPacketsToRead);
if (isFormatVBR) {
myInfo.mPacketDescs = new AudioStreamPacketDescription [myInfo.mNumPacketsToRead];
} else {
myInfo.mPacketDescs = NULL; // we don't provide packet descriptions for constant bit rate formats (like linear PCM)
}
printf ("Buffer Byte Size: %d, Num Packets to Read: %d\n", (int)bufferByteSize, (int)myInfo.mNumPacketsToRead);
}
// if the file has a magic cookie, we should get it and set it on the AQ
size = sizeof(UInt32);
OSStatus result = AudioFileGetPropertyInfo (myInfo.mAudioFile, kAudioFilePropertyMagicCookieData, &size, NULL);
if (!result && size) {
char* cookie = new char [size];
XThrowIfError (AudioFileGetProperty (myInfo.mAudioFile, kAudioFilePropertyMagicCookieData, &size, cookie), "get cookie from file");
XThrowIfError (AudioQueueSetProperty(myInfo.mQueue, kAudioQueueProperty_MagicCookie, cookie, size), "set cookie on queue");
delete [] cookie;
}
// channel layout?
OSStatus err = AudioFileGetPropertyInfo(myInfo.mAudioFile, kAudioFilePropertyChannelLayout, &size, NULL);
AudioChannelLayout *acl = NULL;
if (err == noErr && size > 0) {
acl = (AudioChannelLayout *)malloc(size);
XThrowIfError(AudioFileGetProperty(myInfo.mAudioFile, kAudioFilePropertyChannelLayout, &size, acl), "get audio file's channel layout");
XThrowIfError(AudioQueueSetProperty(myInfo.mQueue, kAudioQueueProperty_ChannelLayout, acl, size), "set channel layout on queue");
}
//allocate the input read buffer
XThrowIfError(AudioQueueAllocateBuffer(myInfo.mQueue, bufferByteSize, &myInfo.mBuffer), "AudioQueueAllocateBuffer");
// prepare a canonical interleaved capture format
CAStreamBasicDescription captureFormat;
captureFormat.mSampleRate = myInfo.mDataFormat.mSampleRate;
captureFormat.SetAUCanonical(myInfo.mDataFormat.mChannelsPerFrame, true); // interleaved
XThrowIfError(AudioQueueSetOfflineRenderFormat(myInfo.mQueue, &captureFormat, acl), "set offline render format");
ExtAudioFileRef captureFile;
// prepare a 16-bit int file format, sample channel count and sample rate
CAStreamBasicDescription dstFormat;
dstFormat.mSampleRate = myInfo.mDataFormat.mSampleRate;
dstFormat.mChannelsPerFrame = myInfo.mDataFormat.mChannelsPerFrame;
dstFormat.mFormatID = kAudioFormatLinearPCM;
dstFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked | kLinearPCMFormatFlagIsSignedInteger; // little-endian
dstFormat.mBitsPerChannel = 16;
dstFormat.mBytesPerPacket = dstFormat.mBytesPerFrame = 2 * dstFormat.mChannelsPerFrame;
dstFormat.mFramesPerPacket = 1;
// create the capture file
XThrowIfError(ExtAudioFileCreateWithURL(destinationURL, kAudioFileCAFType, &dstFormat, acl, kAudioFileFlags_EraseFile, &captureFile), "ExtAudioFileCreateWithURL");
// set the capture file's client format to be the canonical format from the queue
XThrowIfError(ExtAudioFileSetProperty(captureFile, kExtAudioFileProperty_ClientDataFormat, sizeof(AudioStreamBasicDescription), &captureFormat), "set ExtAudioFile client format");
// allocate the capture buffer, just keep it at half the size of the enqueue buffer
// we don't ever want to pull any faster than we can push data in for render
// this 2:1 ratio keeps the AQ Offline Render happy
const UInt32 captureBufferByteSize = bufferByteSize / 2;
AudioQueueBufferRef captureBuffer;
AudioBufferList captureABL;
XThrowIfError(AudioQueueAllocateBuffer(myInfo.mQueue, captureBufferByteSize, &captureBuffer), "AudioQueueAllocateBuffer");
captureABL.mNumberBuffers = 1;
captureABL.mBuffers[0].mData = captureBuffer->mAudioData;
captureABL.mBuffers[0].mNumberChannels = captureFormat.mChannelsPerFrame;
// lets start playing now - stop is called in the AQTestBufferCallback when there's
// no more to read from the file
XThrowIfError(AudioQueueStart(myInfo.mQueue, NULL), "AudioQueueStart failed");
AudioTimeStamp ts;
ts.mFlags = kAudioTimeStampSampleTimeValid;
ts.mSampleTime = 0;
// we need to call this once asking for 0 frames
XThrowIfError(AudioQueueOfflineRender(myInfo.mQueue, &ts, captureBuffer, 0), "AudioQueueOfflineRender");
// we need to enqueue a buffer after the queue has started
AQTestBufferCallback(&myInfo, myInfo.mQueue, myInfo.mBuffer);
while (true) {
UInt32 reqFrames = captureBufferByteSize / captureFormat.mBytesPerFrame;
XThrowIfError(AudioQueueOfflineRender(myInfo.mQueue, &ts, captureBuffer, reqFrames), "AudioQueueOfflineRender");
captureABL.mBuffers[0].mData = captureBuffer->mAudioData;
captureABL.mBuffers[0].mDataByteSize = captureBuffer->mAudioDataByteSize;
UInt32 writeFrames = captureABL.mBuffers[0].mDataByteSize / captureFormat.mBytesPerFrame;
printf("t = %.f: AudioQueueOfflineRender: req %d fr/%d bytes, got %ld fr/%d bytes\n", ts.mSampleTime, (int)reqFrames, (int)captureBufferByteSize, writeFrames, (int)captureABL.mBuffers[0].mDataByteSize);
XThrowIfError(ExtAudioFileWrite(captureFile, writeFrames, &captureABL), "ExtAudioFileWrite");
if (myInfo.mFlushed) break;
ts.mSampleTime += writeFrames;
}
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1, false);
XThrowIfError(AudioQueueDispose(myInfo.mQueue, true), "AudioQueueDispose(true) failed");
XThrowIfError(AudioFileClose(myInfo.mAudioFile), "AudioQueueDispose(false) failed");
XThrowIfError(ExtAudioFileDispose(captureFile), "ExtAudioFileDispose failed");
if (myInfo.mPacketDescs) delete [] myInfo.mPacketDescs;
if (acl) free(acl);
}
catch (CAXException e) {
char buf[256];
fprintf(stderr, "Error: %s (%s)\n", e.mOperation, e.FormatError(buf));
}
return;
}
// ____________________________________________________________________________________
// main program
int main(int argc, const char *argv[])
{
const char *recordFileName = NULL;
int i, nchannels, bufferByteSize;
float seconds = 0;
AudioStreamBasicDescription recordFormat;
MyRecorder aqr;
UInt32 size;
CFURLRef url;
OSStatus err = noErr;
// fill structures with 0/NULL
memset(&recordFormat, 0, sizeof(recordFormat));
memset(&aqr, 0, sizeof(aqr));
// parse arguments
for (i = 1; i < argc; ++i) {
const char *arg = argv[i];
if (arg[0] == '-') {
switch (arg[1]) {
case 'c':
if (++i == argc) MissingArgument(arg);
if (sscanf(argv[i], "%d", &nchannels) != 1)
usage();
recordFormat.mChannelsPerFrame = nchannels;
break;
case 'd':
if (++i == argc) MissingArgument(arg);
if (StrTo4CharCode(argv[i], &recordFormat.mFormatID) == 0)
ParseError(arg, argv[i]);
break;
case 'r':
if (++i == argc) MissingArgument(arg);
if (sscanf(argv[i], "%lf", &recordFormat.mSampleRate) != 1)
ParseError(arg, argv[i]);
break;
case 's':
if (++i == argc) MissingArgument(arg);
if (sscanf(argv[i], "%f", &seconds) != 1)
ParseError(arg, argv[i]);
break;
case 'v':
aqr.verbose = TRUE;
break;
default:
fprintf(stderr, "unknown option: '%s'\n\n", arg);
usage();
}
} else if (recordFileName != NULL) {
fprintf(stderr, "may only specify one file to record\n\n");
usage();
} else
recordFileName = arg;
}
if (recordFileName == NULL) // no record file path provided
usage();
// determine file format
AudioFileTypeID audioFileType = kAudioFileCAFType; // default to CAF
CFStringRef cfRecordFileName = CFStringCreateWithCString(NULL, recordFileName, kCFStringEncodingUTF8);
InferAudioFileFormatFromFilename(cfRecordFileName, &audioFileType);
CFRelease(cfRecordFileName);
// adapt record format to hardware and apply defaults
if (recordFormat.mSampleRate == 0.)
MyGetDefaultInputDeviceSampleRate(&recordFormat.mSampleRate);
if (recordFormat.mChannelsPerFrame == 0)
recordFormat.mChannelsPerFrame = 2;
if (recordFormat.mFormatID == 0 || recordFormat.mFormatID == kAudioFormatLinearPCM) {
// default to PCM, 16 bit int
recordFormat.mFormatID = kAudioFormatLinearPCM;
recordFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked;
recordFormat.mBitsPerChannel = 16;
if (MyFileFormatRequiresBigEndian(audioFileType, recordFormat.mBitsPerChannel))
recordFormat.mFormatFlags |= kLinearPCMFormatFlagIsBigEndian;
recordFormat.mBytesPerPacket = recordFormat.mBytesPerFrame =
(recordFormat.mBitsPerChannel / 8) * recordFormat.mChannelsPerFrame;
recordFormat.mFramesPerPacket = 1;
recordFormat.mReserved = 0;
}
try {
// create the queue
XThrowIfError(AudioQueueNewInput(
&recordFormat,
MyInputBufferHandler,
&aqr /* userData */,
NULL /* run loop */, NULL /* run loop mode */,
0 /* flags */, &aqr.queue), "AudioQueueNewInput failed");
// get the record format back from the queue's audio converter --
// the file may require a more specific stream description than was necessary to create the encoder.
size = sizeof(recordFormat);
XThrowIfError(AudioQueueGetProperty(aqr.queue, kAudioConverterCurrentOutputStreamDescription,
&recordFormat, &size), "couldn't get queue's format");
// convert recordFileName from C string to CFURL
url = CFURLCreateFromFileSystemRepresentation(NULL, (Byte *)recordFileName, strlen(recordFileName), FALSE);
XThrowIfError(!url, "couldn't create record file");
// create the audio file
err = AudioFileCreateWithURL(url, audioFileType, &recordFormat, kAudioFileFlags_EraseFile,
&aqr.recordFile);
CFRelease(url); // release first, and then bail out on error
XThrowIfError(err, "AudioFileCreateWithURL failed");
// copy the cookie first to give the file object as much info as we can about the data going in
MyCopyEncoderCookieToFile(aqr.queue, aqr.recordFile);
// allocate and enqueue buffers
bufferByteSize = MyComputeRecordBufferSize(&recordFormat, aqr.queue, 0.5); // enough bytes for half a second
for (i = 0; i < kNumberRecordBuffers; ++i) {
AudioQueueBufferRef buffer;
XThrowIfError(AudioQueueAllocateBuffer(aqr.queue, bufferByteSize, &buffer),
"AudioQueueAllocateBuffer failed");
XThrowIfError(AudioQueueEnqueueBuffer(aqr.queue, buffer, 0, NULL),
"AudioQueueEnqueueBuffer failed");
}
// record
if (seconds > 0) {
// user requested a fixed-length recording (specified a duration with -s)
// to time the recording more accurately, watch the queue's IsRunning property
XThrowIfError(AudioQueueAddPropertyListener(aqr.queue, kAudioQueueProperty_IsRunning,
MyPropertyListener, &aqr), "AudioQueueAddPropertyListener failed");
// start the queue
aqr.running = TRUE;
XThrowIfError(AudioQueueStart(aqr.queue, NULL), "AudioQueueStart failed");
CFAbsoluteTime waitUntil = CFAbsoluteTimeGetCurrent() + 10;
// wait for the started notification
while (aqr.queueStartStopTime == 0.) {
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.010, FALSE);
if (CFAbsoluteTimeGetCurrent() >= waitUntil) {
fprintf(stderr, "Timeout waiting for the queue's IsRunning notification\n");
goto cleanup;
}
}
printf("Recording...\n");
CFAbsoluteTime stopTime = aqr.queueStartStopTime + seconds;
CFAbsoluteTime now = CFAbsoluteTimeGetCurrent();
CFRunLoopRunInMode(kCFRunLoopDefaultMode, stopTime - now, FALSE);
} else {
// start the queue
aqr.running = TRUE;
XThrowIfError(AudioQueueStart(aqr.queue, NULL), "AudioQueueStart failed");
// and wait
printf("Recording, press <return> to stop:\n");
getchar();
}
// end recording
printf("* recording done *\n");
aqr.running = FALSE;
XThrowIfError(AudioQueueStop(aqr.queue, TRUE), "AudioQueueStop failed");
// a codec may update its cookie at the end of an encoding session, so reapply it to the file now
MyCopyEncoderCookieToFile(aqr.queue, aqr.recordFile);
cleanup:
AudioQueueDispose(aqr.queue, TRUE);
AudioFileClose(aqr.recordFile);
}
catch (CAXException e) {
char buf[256];
fprintf(stderr, "MyInputBufferHandler: %s (%s)\n", e.mOperation, e.FormatError(buf));
return e.mError;
}
return 0;
}
OSStatus
darwin_configure_output_audio_queue_buffer (
AudioStreamBasicDescription* in_asbd,
cahal_playback_info* in_playback,
darwin_context* out_context,
AudioQueueRef io_audio_queue
)
{
UINT32 bytes_per_buffer = 0;
OSStatus result = noErr;
if( NULL != in_asbd )
{
out_context->number_of_buffers = CAHAL_QUEUE_NUMBER_OF_QUEUES;
if (
CPC_ERROR_CODE_NO_ERROR
== cpc_safe_malloc (
( void** ) &out_context->audio_buffers,
sizeof( AudioQueueBufferRef ) * out_context->number_of_buffers
)
)
{
result =
darwin_compute_bytes_per_buffer (
in_asbd,
CAHAL_QUEUE_BUFFER_DURATION,
&bytes_per_buffer
);
if( noErr == result )
{
for( UINT32 i = 0; i < CAHAL_QUEUE_NUMBER_OF_QUEUES; i++ )
{
AudioQueueBufferRef buffer;
result =
AudioQueueAllocateBuffer (
io_audio_queue,
bytes_per_buffer,
&buffer
);
if( noErr == result )
{
out_context->audio_buffers[ i ] = buffer;
darwin_playback_callback( in_playback, io_audio_queue, buffer );
}
else
{
CPC_ERROR(
"Error allocating a new audio queue buffer: %d",
result
);
CPC_PRINT_CODE( CPC_LOG_LEVEL_ERROR, result );
}
}
}
}
}
else
{
CPC_LOG_STRING( CPC_LOG_LEVEL_ERROR, "Invalid basic stream description" );
}
return( result );
}
int coreaudio_recorder_alloc(struct ausrc_st **stp, const struct ausrc *as,
struct media_ctx **ctx,
struct ausrc_prm *prm, const char *device,
ausrc_read_h *rh, ausrc_error_h *errh, void *arg)
{
AudioStreamBasicDescription fmt;
struct ausrc_st *st;
uint32_t sampc, bytc, i;
OSStatus status;
int err;
(void)ctx;
(void)device;
(void)errh;
if (!stp || !as || !prm)
return EINVAL;
st = mem_zalloc(sizeof(*st), ausrc_destructor);
if (!st)
return ENOMEM;
st->ptime = prm->ptime;
st->as = as;
st->rh = rh;
st->arg = arg;
sampc = prm->srate * prm->ch * prm->ptime / 1000;
bytc = sampc * 2;
err = pthread_mutex_init(&st->mutex, NULL);
if (err)
goto out;
err = audio_session_enable();
if (err)
goto out;
fmt.mSampleRate = (Float64)prm->srate;
fmt.mFormatID = kAudioFormatLinearPCM;
fmt.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger |
kAudioFormatFlagIsPacked;
#ifdef __BIG_ENDIAN__
fmt.mFormatFlags |= kAudioFormatFlagIsBigEndian;
#endif
fmt.mFramesPerPacket = 1;
fmt.mBytesPerFrame = prm->ch * 2;
fmt.mBytesPerPacket = prm->ch * 2;
fmt.mChannelsPerFrame = prm->ch;
fmt.mBitsPerChannel = 16;
status = AudioQueueNewInput(&fmt, record_handler, st, NULL,
kCFRunLoopCommonModes, 0, &st->queue);
if (status) {
warning("coreaudio: AudioQueueNewInput error: %i\n", status);
err = ENODEV;
goto out;
}
for (i=0; i<ARRAY_SIZE(st->buf); i++) {
status = AudioQueueAllocateBuffer(st->queue, bytc,
&st->buf[i]);
if (status) {
err = ENOMEM;
goto out;
}
AudioQueueEnqueueBuffer(st->queue, st->buf[i], 0, NULL);
}
status = AudioQueueStart(st->queue, NULL);
if (status) {
warning("coreaudio: AudioQueueStart error %i\n", status);
err = ENODEV;
goto out;
}
out:
if (err)
mem_deref(st);
else
*stp = st;
return err;
}
bool UBAudioQueueRecorder::init(const QString& waveInDeviceName)
{
if(mIsRecording)
{
setLastErrorMessage("Already recording ...");
return false;
}
OSStatus err = AudioQueueNewInput (&sAudioFormat, UBAudioQueueRecorder::audioQueueInputCallback,
this, 0, 0, 0, &mQueue);
if (err)
{
setLastErrorMessage(QString("Cannot acquire audio input %1").arg(err));
mQueue = 0;
close();
return false;
}
//qDebug() << "init with waveInDeviceName ..." << waveInDeviceName;
if (waveInDeviceName.length() > 0 && waveInDeviceName != "Default")
{
AudioDeviceID deviceID = deviceIDFromDeviceName(waveInDeviceName);
if (deviceID)
{
QString deviceUID = deviceUIDFromDeviceID(deviceID);
if (deviceUID.length() > 0)
{
CFStringRef sr = CFStringCreateWithCString(0, deviceUID.toUtf8().constData(), kCFStringEncodingUTF8);
err = AudioQueueSetProperty(mQueue, kAudioQueueProperty_CurrentDevice, &sr, sizeof(CFStringRef));
if (err)
{
setLastErrorMessage(QString("Cannot set audio input %1 (%2)").arg(waveInDeviceName).arg(err));
}
else
{
qDebug() << "recording with input" << waveInDeviceName;
}
}
else
{
setLastErrorMessage(QString("Cannot find audio input device UID with ID %1 (%2)").arg(deviceID).arg(err));
}
}
else
{
setLastErrorMessage(QString("Cannot find audio input with name %1 (%2)").arg(waveInDeviceName).arg(err));
}
}
UInt32 monitor = true;
err = AudioQueueSetProperty(mQueue, kAudioQueueProperty_EnableLevelMetering , &monitor, sizeof(UInt32));
if (err)
{
qWarning() << QString("Cannot set recording level monitoring %1").arg(err);
}
int nbBuffers = 6;
mSampleBufferSize = sAudioFormat.mSampleRate * sAudioFormat.mChannelsPerFrame
* 2 * mBufferLengthInMs / 1000; // 44.1 Khz * stereo * 16bit * buffer length
for (int i = 0; i < nbBuffers; i++)
{
AudioQueueBufferRef outBuffer;
err = AudioQueueAllocateBuffer(mQueue, mSampleBufferSize, &outBuffer);
if (err)
{
setLastErrorMessage(QString("Cannot allocate audio buffer %1").arg(err));
close();
return false;
}
mBuffers << outBuffer;
}
foreach(AudioQueueBufferRef buffer, mBuffers)
{
err = AudioQueueEnqueueBuffer(mQueue, buffer, 0, 0);
if (err)
{
setLastErrorMessage(QString("Cannot enqueue audio buffer %1").arg(err));
close();
return false;
}
}
/*auNew---------------------------------------------------*/
Audio* auAlloc(int sizeofstarself, auAudioCallback_t callback, BOOL isOutput, unsigned numChannels)
{
Audio* self = (Audio*)calloc(1, sizeofstarself);
if(self != NULL)
{
self->isOutput = isOutput;
self->isPlaying = NO;
self->audioCallback = callback;
self->numChannels = numChannels;
self->targetMasterVolume = 1;
auSetMasterVolumeSmoothing(self, 0.9999);
#if defined __APPLE__
int i;
OSStatus error;
self->dataFormat.mSampleRate = AU_SAMPLE_RATE;
self->dataFormat.mBytesPerPacket = 4 * numChannels ;
self->dataFormat.mFramesPerPacket = 1 ;
self->dataFormat.mBytesPerFrame = 4 * numChannels ;
self->dataFormat.mBitsPerChannel = 32 ;
self->dataFormat.mChannelsPerFrame = numChannels ;
self->dataFormat.mFormatID = kAudioFormatLinearPCM;
//self->dataFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked;
self->dataFormat.mFormatFlags = kLinearPCMFormatFlagIsFloat;
if(isOutput)
error = AudioQueueNewOutput(&(self->dataFormat), auAudioOutputCallback, self, NULL, NULL, 0, &(self->queue));
else
error = AudioQueueNewInput (&(self->dataFormat), auAudioInputCallback, self, NULL, NULL, 0, &(self->queue));
if(error)
{
fprintf(stderr, "Audio.c: unable to allocate Audio queue\n");
return auDestroy(self);
}
else //(!error)
{
unsigned bufferNumBytes = AU_BUFFER_NUM_FRAMES * numChannels * sizeof(auSample_t);
for(i=0; i<AU_NUM_AUDIO_BUFFERS; i++)
{
error = AudioQueueAllocateBuffer(self->queue, bufferNumBytes, &((self->buffers)[i]));
if(error)
{
self = auDestroy(self);
fprintf(stderr, "Audio.c: allocate buffer error\n");
break;
}
}
}
#elif defined __linux__
int error = 0;
snd_pcm_hw_params_t *hardwareParameters;
snd_pcm_hw_params_alloca(&hardwareParameters);
//untested for input stream...
const char* name = (isOutput) ? AU_SPEAKER_DEVICE_NAME : AU_MIC_DEVICE_NAME;
unsigned direction = (isOutput) ? SND_PCM_STREAM_PLAYBACK : SND_PCM_STREAM_CAPTURE;
error = snd_pcm_open(&(self->device), AU_SPEAKER_DEVICE_NAME, SND_PCM_STREAM_PLAYBACK, 0);
if(error < 0) fprintf(stderr, "Audio.c: Unable to open speaker device %s: %s\n", AU_SPEAKER_DEVICE_NAME, snd_strerror(error));
if(error >= 0)
{
error = snd_pcm_hw_params_any(self->device, hardwareParameters);
if(error < 0) fprintf(stderr, "Audio.c: Unable to get a generic hardware configuration: %s\n", snd_strerror(error));
}
if(error >= 0)
{
error = snd_pcm_hw_params_set_access(self->device, hardwareParameters, SND_PCM_ACCESS_RW_INTERLEAVED);
if(error < 0) fprintf(stderr, "Audio.c: Device does not support interleaved audio access: %s\n", snd_strerror(error));
}
if(error >= 0)
{
error = snd_pcm_hw_params_set_format(self->device, hardwareParameters, /*SND_PCM_FORMAT_S16*/ SND_PCM_FORMAT_FLOAT) ;
if(error < 0) fprintf(stderr, "Audio.c: Unable to set sample format: %s\n", snd_strerror(error));
}
if(error >= 0)
{
//self->numChannels = AU_NUM_CHANNELS;
error = snd_pcm_hw_params_set_channels_near(self->device, hardwareParameters, &self->numChannels);
if(error < 0) fprintf(stderr, "Audio.c: unable to set the number of channels to %i: %s\n", self->numChannels, snd_strerror(error));
else if(self->numChannels != numChannels)
fprintf(stderr, "Audio.c: device does not support %u numChannels, %i will be used instead\n", numChannels, self->numChannels);
}
if(error >= 0)
{
unsigned int sampleRate = AU_SAMPLE_RATE;
error = snd_pcm_hw_params_set_rate_near(self->device, hardwareParameters, &sampleRate, 0);
if(error < 0) fprintf(stderr, "Audio.c: Unable to set the sample rate to %u: %s\n", sampleRate, snd_strerror(error));
else if(sampleRate != AU_SAMPLE_RATE)
fprintf(stderr, "Audio.c: device does not support %i sample rate, %u will be used instead\n", (int)AU_SAMPLE_RATE, sampleRate);
}
if(error >= 0)
{
int dir = 0;
self->bufferNumFrames = AU_BUFFER_NUM_FRAMES; //the buffer I give to ALSA
error = snd_pcm_hw_params_set_period_size_near(self->device, hardwareParameters, &(self->bufferNumFrames), &dir);
if(error < 0) fprintf(stderr, "Audio.cpp: Unable to set the sample buffer size to %lu: %s\n", self->bufferNumFrames, snd_strerror(error));
else if(self->bufferNumFrames != AU_BUFFER_NUM_FRAMES)
fprintf(stderr, "Audio.c: device does not support %i period size, %lu will be used instead\n", AU_BUFFER_NUM_FRAMES, self->bufferNumFrames);
}
if(error >= 0)
{
unsigned long int internalBufferNumFrames = self->bufferNumFrames * AU_NUM_AUDIO_BUFFERS; //the buffer ALSA uses internally
error = snd_pcm_hw_params_set_buffer_size_near(self->device, hardwareParameters, &internalBufferNumFrames);
if(error < 0) fprintf(stderr, "Audio.c: Unable to set the internal buffer size to %lu: %s\n", internalBufferNumFrames, snd_strerror(error));
else if(internalBufferNumFrames != AU_NUM_AUDIO_BUFFERS * self->bufferNumFrames)
fprintf(stderr, "Audio.c: device does not support %lu internal buffer size, %lu will be used instead\n", AU_NUM_AUDIO_BUFFERS * self->bufferNumFrames, internalBufferNumFrames);
}
if(error >= 0)
{
error = snd_pcm_hw_params(self->device, hardwareParameters);
if(error < 0) fprintf(stderr, "Audio.c: Unable to load the hardware parameters into the device: %s\n", snd_strerror(error));
}
if(error >= 0)
{
unsigned int size = sizeof(auSample_t) * self->numChannels * self->bufferNumFrames;
self->sampleBuffer = (auSample_t*)malloc(size);
if(self->sampleBuffer == NULL)
{
error = -1;
perror("Audio.c: Unable to allocate audio buffers \n");
}
}
if (error < 0) self = auDestroy(self);
#endif
}
else perror("Audio.c: Unable to create new Audio object");
srandom((unsigned)time(NULL));
return self;
}
int WavPlayer::PlayBuffer(void *pcmbuffer, unsigned long len)
{
AQCallbackStruct aqc;
UInt32 err, bufferSize;
int i;
aqc.DataFormat.mSampleRate = SampleRate;
aqc.DataFormat.mFormatID = kAudioFormatLinearPCM;
if(BitsPerSample == 16)
{
aqc.DataFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger
| kAudioFormatFlagIsPacked;
}
aqc.DataFormat.mBytesPerPacket = NumChannels * (BitsPerSample / 8);
aqc.DataFormat.mFramesPerPacket = 1;
aqc.DataFormat.mBytesPerFrame = NumChannels * (BitsPerSample / 8);
aqc.DataFormat.mChannelsPerFrame = NumChannels;
aqc.DataFormat.mBitsPerChannel = BitsPerSample;
aqc.FrameCount = SampleRate / 60;
aqc.SampleLen = (UInt32)(len);
aqc.PlayPtr = 0;
aqc.PCMBuffer = static_cast<unsigned char*>(pcmbuffer);
err = AudioQueueNewOutput(&aqc.DataFormat,
aqBufferCallback,
&aqc,
NULL,
kCFRunLoopCommonModes,
0,
&aqc.Queue);
if(err)
{
return err;
}
aqc.FrameCount = SampleRate / 60;
bufferSize = aqc.FrameCount * aqc.DataFormat.mBytesPerPacket;
for(i = 0; i < AUDIO_BUFFERS; i++)
{
err = AudioQueueAllocateBuffer(aqc.Queue, bufferSize,
&aqc.Buffers[i]);
if(err)
{
return err;
}
aqBufferCallback(&aqc, aqc.Queue, aqc.Buffers[i]);
}
err = AudioQueueStart(aqc.Queue, NULL);
if(err)
{
return err;
}
while(true)
{
}
sleep(1);
return 0;
}
int sound_open_AudioQueue(int rate, int bits, int stereo){
Float64 sampleRate = 44100.0;
int i;
int fps;
stereo_cached = stereo;
rate_cached = rate;
bits_cached = bits;
if(rate==32000)
sampleRate = 32000.0;
else if(rate==22050)
sampleRate = 22050.0;
else if(rate==11025)
sampleRate = 11025.0;
//SQ Roundup for games like Galaxians
fps = ceil(Machine->drv->frames_per_second);
if( soundInit == 1 )
{
sound_close_AudioQueue();
}
soundInit = 0;
memset (&in.mDataFormat, 0, sizeof (in.mDataFormat));
in.mDataFormat.mSampleRate = sampleRate;
in.mDataFormat.mFormatID = kAudioFormatLinearPCM;
in.mDataFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
in.mDataFormat.mBytesPerPacket = (stereo == 1 ? 4 : 2 );
in.mDataFormat.mFramesPerPacket = 1;
in.mDataFormat.mBytesPerFrame = (stereo == 1? 4 : 2);
in.mDataFormat.mChannelsPerFrame = (stereo == 1 ? 2 : 1);
in.mDataFormat.mBitsPerChannel = 16;
in.frameCount = rate / fps;
/*
printf("Sound format %f %d %d %d %d %d %d\n",
in.mDataFormat.mSampleRate,
in.mDataFormat.mBytesPerPacket,
in.mDataFormat.mFramesPerPacket,
in.mDataFormat.mBytesPerFrame,
in.mDataFormat.mChannelsPerFrame,
in.mDataFormat.mBitsPerChannel,
in.frameCount);
*/
/* Pre-buffer before we turn on audio */
UInt32 err;
err = AudioQueueNewOutput(&in.mDataFormat,
AQBufferCallback,
NULL,
NULL,
kCFRunLoopCommonModes,
0,
&in.queue);
//printf("res %ld",err);
unsigned long bufferSize;
bufferSize = in.frameCount * in.mDataFormat.mBytesPerFrame;
for (i=0; i<AUDIO_BUFFERS; i++)
{
err = AudioQueueAllocateBuffer(in.queue, bufferSize, &in.mBuffers[i]);
in.mBuffers[i]->mAudioDataByteSize = bufferSize;
AudioQueueEnqueueBuffer(in.queue, in.mBuffers[i], 0, NULL);
}
soundInit = 1;
err = AudioQueueStart(in.queue, NULL);
return 0;
}
int coreaudio_player_alloc(struct auplay_st **stp, struct auplay *ap,
struct auplay_prm *prm, const char *device,
auplay_write_h *wh, void *arg)
{
AudioStreamBasicDescription fmt;
struct auplay_st *st;
uint32_t bytc, i;
OSStatus status;
int err;
(void)device;
st = mem_zalloc(sizeof(*st), auplay_destructor);
if (!st)
return ENOMEM;
st->ap = mem_ref(ap);
st->wh = wh;
st->arg = arg;
err = pthread_mutex_init(&st->mutex, NULL);
if (err)
goto out;
err = audio_session_enable();
if (err)
goto out;
fmt.mSampleRate = (Float64)prm->srate;
fmt.mFormatID = audio_fmt(prm->fmt);
fmt.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger |
kAudioFormatFlagIsPacked;
#ifdef __BIG_ENDIAN__
fmt.mFormatFlags |= kAudioFormatFlagIsBigEndian;
#endif
fmt.mFramesPerPacket = 1;
fmt.mBytesPerFrame = prm->ch * bytesps(prm->fmt);
fmt.mBytesPerPacket = prm->ch * bytesps(prm->fmt);
fmt.mChannelsPerFrame = prm->ch;
fmt.mBitsPerChannel = 8*bytesps(prm->fmt);
status = AudioQueueNewOutput(&fmt, play_handler, st, NULL,
kCFRunLoopCommonModes, 0, &st->queue);
if (status) {
re_fprintf(stderr, "AudioQueueNewOutput error: %i\n", status);
err = ENODEV;
goto out;
}
bytc = prm->frame_size * bytesps(prm->fmt);
for (i=0; i<ARRAY_SIZE(st->buf); i++) {
status = AudioQueueAllocateBuffer(st->queue, bytc,
&st->buf[i]);
if (status) {
err = ENOMEM;
goto out;
}
st->buf[i]->mAudioDataByteSize = bytc;
memset(st->buf[i]->mAudioData, 0,
st->buf[i]->mAudioDataByteSize);
(void)AudioQueueEnqueueBuffer(st->queue, st->buf[i], 0, NULL);
}
status = AudioQueueStart(st->queue, NULL);
if (status) {
re_fprintf(stderr, "AudioQueueStart error %i\n", status);
err = ENODEV;
goto out;
}
out:
if (err)
mem_deref(st);
else
*stp = st;
return err;
}
void playFile(const char* filePath) {
CFURLRef audioFileURL = CFURLCreateFromFileSystemRepresentation(NULL,
(UInt8*) filePath,
strlen (filePath),
false);
OSStatus result = AudioFileOpenURL(audioFileURL,
fsRdPerm,
0,
&aqData.mAudioFile);
CFRelease (audioFileURL);
UInt32 dataFormatSize = sizeof (aqData.mDataFormat);
AudioFileGetProperty(aqData.mAudioFile,
kAudioFilePropertyDataFormat,
&dataFormatSize,
&aqData.mDataFormat);
AudioQueueNewOutput(&aqData.mDataFormat,
HandleOutputBuffer,
&aqData,
CFRunLoopGetCurrent(),
kCFRunLoopCommonModes,
0,
&aqData.mQueue);
UInt32 maxPacketSize;
UInt32 propertySize = sizeof (maxPacketSize);
AudioFileGetProperty(aqData.mAudioFile,
kAudioFilePropertyPacketSizeUpperBound,
&propertySize,
&maxPacketSize);
DeriveBufferSize(&aqData.mDataFormat,
maxPacketSize,
0.5,
&aqData.bufferByteSize,
&aqData.mNumPacketsToRead);
bool isFormatVBR = (aqData.mDataFormat.mBytesPerPacket == 0 ||
aqData.mDataFormat.mFramesPerPacket == 0);
if (isFormatVBR) {
// LOG("%s\n","VBR");
aqData.mPacketDescs =
(AudioStreamPacketDescription*)
malloc (aqData.mNumPacketsToRead * sizeof (AudioStreamPacketDescription));
} else {
aqData.mPacketDescs = NULL;
}
UInt32 cookieSize = sizeof (UInt32);
bool couldNotGetProperty =
AudioFileGetPropertyInfo (aqData.mAudioFile,
kAudioFilePropertyMagicCookieData,
&cookieSize,
NULL);
if (!couldNotGetProperty && cookieSize) {
char* magicCookie = (char *) malloc (cookieSize);
AudioFileGetProperty (aqData.mAudioFile,
kAudioFilePropertyMagicCookieData,
&cookieSize,
magicCookie);
AudioQueueSetProperty (aqData.mQueue,
kAudioQueueProperty_MagicCookie,
magicCookie,
cookieSize);
free (magicCookie);
}
aqData.mCurrentPacket = 0;
aqData.mIsRunning = true;
//LOG("%d\n", aqData.mNumPacketsToRead);
for (int i = 0; i < kNumberBuffers; ++i) {
AudioQueueAllocateBuffer (aqData.mQueue,
aqData.bufferByteSize,
&aqData.mBuffers[i]);
HandleOutputBuffer (&aqData,
aqData.mQueue,
aqData.mBuffers[i]);
}
Float32 gain = 1.0;
// Optionally, allow user to override gain setting here
AudioQueueSetParameter (aqData.mQueue,
kAudioQueueParam_Volume,
gain);
//LOG("%s\n","Starting play");
// IMPORTANT NOTE : This value must be set
// Before the call to HandleOutputBuffer
//a qData.mIsRunning = true;
AudioQueueStart (aqData.mQueue,
NULL);
}
static void mf_peer_rdpsnd_activated(rdpsnd_server_context* context)
{
printf("RDPSND Activated\n");
printf("Let's create an audio queue for input!\n");
OSStatus status;
recorderState.dataFormat.mSampleRate = 44100.0;
recorderState.dataFormat.mFormatID = kAudioFormatLinearPCM;
recorderState.dataFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;
recorderState.dataFormat.mBytesPerPacket = 4;
recorderState.dataFormat.mFramesPerPacket = 1;
recorderState.dataFormat.mBytesPerFrame = 4;
recorderState.dataFormat.mChannelsPerFrame = 2;
recorderState.dataFormat.mBitsPerChannel = 16;
recorderState.snd_context = context;
status = AudioQueueNewInput(&recorderState.dataFormat,
mf_peer_rdpsnd_input_callback,
&recorderState,
NULL,
kCFRunLoopCommonModes,
0,
&recorderState.queue);
if (status != noErr)
{
printf("Failed to create a new Audio Queue. Status code: %d\n", status);
}
UInt32 dataFormatSize = sizeof (recorderState.dataFormat);
AudioQueueGetProperty(recorderState.queue,
kAudioConverterCurrentInputStreamDescription,
&recorderState.dataFormat,
&dataFormatSize);
mf_rdpsnd_derive_buffer_size(recorderState.queue, &recorderState.dataFormat, 0.05, &recorderState.bufferByteSize);
printf("Preparing a set of buffers...");
for (int i = 0; i < snd_numBuffers; ++i)
{
AudioQueueAllocateBuffer(recorderState.queue,
recorderState.bufferByteSize,
&recorderState.buffers[i]);
AudioQueueEnqueueBuffer(recorderState.queue,
recorderState.buffers[i],
0,
NULL);
}
printf("done\n");
printf("recording...\n");
recorderState.currentPacket = 0;
recorderState.isRunning = true;
context->SelectFormat(context, 4);
context->SetVolume(context, 0x7FFF, 0x7FFF);
AudioQueueStart (recorderState.queue, NULL);
}
int main (int argc, const char * argv[])
{
#if TARGET_OS_WIN32
InitializeQTML(0L);
#endif
const char *fpath = NULL;
Float32 volume = 1;
Float32 duration = -1;
Float32 currentTime = 0.0;
Float32 rate = 0;
int rQuality = 0;
bool doPrint = false;
for (int i = 1; i < argc; ++i) {
const char *arg = argv[i];
if (arg[0] != '-') {
if (fpath != NULL) {
fprintf(stderr, "may only specify one file to play\n");
usage();
}
fpath = arg;
} else {
arg += 1;
if (arg[0] == 'v' || !strcmp(arg, "-volume")) {
if (++i == argc)
MissingArgument();
arg = argv[i];
sscanf(arg, "%f", &volume);
} else if (arg[0] == 't' || !strcmp(arg, "-time")) {
if (++i == argc)
MissingArgument();
arg = argv[i];
sscanf(arg, "%f", &duration);
} else if (arg[0] == 'r' || !strcmp(arg, "-rate")) {
if (++i == argc)
MissingArgument();
arg = argv[i];
sscanf(arg, "%f", &rate);
} else if (arg[0] == 'q' || !strcmp(arg, "-rQuality")) {
if (++i == argc)
MissingArgument();
arg = argv[i];
sscanf(arg, "%d", &rQuality);
} else if (arg[0] == 'h' || !strcmp(arg, "-help")) {
usage();
} else if (arg[0] == 'd' || !strcmp(arg, "-debug")) {
doPrint = true;
} else {
fprintf(stderr, "unknown argument: %s\n\n", arg - 1);
usage();
}
}
}
if (fpath == NULL)
usage();
if (doPrint)
printf ("Playing file: %s\n", fpath);
try {
AQTestInfo myInfo;
CFURLRef sndFile = CFURLCreateFromFileSystemRepresentation (NULL, (const UInt8 *)fpath, strlen(fpath), false);
if (!sndFile) XThrowIfError (!sndFile, "can't parse file path");
OSStatus result = AudioFileOpenURL (sndFile, 0x1/*fsRdPerm*/, 0/*inFileTypeHint*/, &myInfo.mAudioFile);
CFRelease (sndFile);
XThrowIfError(result, "AudioFileOpen failed");
UInt32 size;
XThrowIfError(AudioFileGetPropertyInfo(myInfo.mAudioFile,
kAudioFilePropertyFormatList, &size, NULL), "couldn't get file's format list info");
UInt32 numFormats = size / sizeof(AudioFormatListItem);
AudioFormatListItem *formatList = new AudioFormatListItem [ numFormats ];
XThrowIfError(AudioFileGetProperty(myInfo.mAudioFile,
kAudioFilePropertyFormatList, &size, formatList), "couldn't get file's data format");
numFormats = size / sizeof(AudioFormatListItem); // we need to reassess the actual number of formats when we get it
if (numFormats == 1) {
// this is the common case
myInfo.mDataFormat = formatList[0].mASBD;
// see if there is a channel layout (multichannel file)
result = AudioFileGetPropertyInfo(myInfo.mAudioFile, kAudioFilePropertyChannelLayout, &myInfo.mChannelLayoutSize, NULL);
if (result == noErr && myInfo.mChannelLayoutSize > 0) {
myInfo.mChannelLayout = (AudioChannelLayout *)new char [myInfo.mChannelLayoutSize];
XThrowIfError(AudioFileGetProperty(myInfo.mAudioFile, kAudioFilePropertyChannelLayout, &myInfo.mChannelLayoutSize, myInfo.mChannelLayout), "get audio file's channel layout");
}
} else {
if (doPrint) {
printf ("File has a %d layered data format:\n", (int)numFormats);
for (unsigned int i = 0; i < numFormats; ++i)
CAStreamBasicDescription(formatList[i].mASBD).Print();
}
// now we should look to see which decoders we have on the system
XThrowIfError(AudioFormatGetPropertyInfo(kAudioFormatProperty_DecodeFormatIDs, 0, NULL, &size), "couldn't get decoder id's");
UInt32 numDecoders = size / sizeof(OSType);
OSType *decoderIDs = new OSType [ numDecoders ];
XThrowIfError(AudioFormatGetProperty(kAudioFormatProperty_DecodeFormatIDs, 0, NULL, &size, decoderIDs), "couldn't get decoder id's");
unsigned int i = 0;
for (; i < numFormats; ++i) {
OSType decoderID = formatList[i].mASBD.mFormatID;
bool found = false;
for (unsigned int j = 0; j < numDecoders; ++j) {
if (decoderID == decoderIDs[j]) {
found = true;
break;
}
}
if (found) break;
}
delete [] decoderIDs;
if (i >= numFormats) {
fprintf (stderr, "Cannot play any of the formats in this file\n");
throw kAudioFileUnsupportedDataFormatError;
}
myInfo.mDataFormat = formatList[i].mASBD;
myInfo.mChannelLayoutSize = sizeof(AudioChannelLayout);
myInfo.mChannelLayout = (AudioChannelLayout*)new char [myInfo.mChannelLayoutSize];
myInfo.mChannelLayout->mChannelLayoutTag = formatList[i].mChannelLayoutTag;
myInfo.mChannelLayout->mChannelBitmap = 0;
myInfo.mChannelLayout->mNumberChannelDescriptions = 0;
}
delete [] formatList;
if (doPrint) {
printf ("Playing format: ");
myInfo.mDataFormat.Print();
}
XThrowIfError(AudioQueueNewOutput(&myInfo.mDataFormat, AQTestBufferCallback, &myInfo,
CFRunLoopGetCurrent(), kCFRunLoopCommonModes, 0, &myInfo.mQueue), "AudioQueueNew failed");
UInt32 bufferByteSize;
// we need to calculate how many packets we read at a time, and how big a buffer we need
// we base this on the size of the packets in the file and an approximate duration for each buffer
{
bool isFormatVBR = (myInfo.mDataFormat.mBytesPerPacket == 0 || myInfo.mDataFormat.mFramesPerPacket == 0);
// first check to see what the max size of a packet is - if it is bigger
// than our allocation default size, that needs to become larger
UInt32 maxPacketSize;
size = sizeof(maxPacketSize);
XThrowIfError(AudioFileGetProperty(myInfo.mAudioFile,
kAudioFilePropertyPacketSizeUpperBound, &size, &maxPacketSize), "couldn't get file's max packet size");
// adjust buffer size to represent about a half second of audio based on this format
CalculateBytesForTime (myInfo.mDataFormat, maxPacketSize, 0.5/*seconds*/, &bufferByteSize, &myInfo.mNumPacketsToRead);
if (isFormatVBR)
myInfo.mPacketDescs = new AudioStreamPacketDescription [myInfo.mNumPacketsToRead];
else
myInfo.mPacketDescs = NULL; // we don't provide packet descriptions for constant bit rate formats (like linear PCM)
if (doPrint)
printf ("Buffer Byte Size: %d, Num Packets to Read: %d\n", (int)bufferByteSize, (int)myInfo.mNumPacketsToRead);
}
// (2) If the file has a cookie, we should get it and set it on the AQ
size = sizeof(UInt32);
result = AudioFileGetPropertyInfo (myInfo.mAudioFile, kAudioFilePropertyMagicCookieData, &size, NULL);
if (!result && size) {
char* cookie = new char [size];
XThrowIfError (AudioFileGetProperty (myInfo.mAudioFile, kAudioFilePropertyMagicCookieData, &size, cookie), "get cookie from file");
XThrowIfError (AudioQueueSetProperty(myInfo.mQueue, kAudioQueueProperty_MagicCookie, cookie, size), "set cookie on queue");
delete [] cookie;
}
// set ACL if there is one
if (myInfo.mChannelLayout)
XThrowIfError(AudioQueueSetProperty(myInfo.mQueue, kAudioQueueProperty_ChannelLayout, myInfo.mChannelLayout, myInfo.mChannelLayoutSize), "set channel layout on queue");
// prime the queue with some data before starting
myInfo.mDone = false;
myInfo.mCurrentPacket = 0;
for (int i = 0; i < kNumberBuffers; ++i) {
XThrowIfError(AudioQueueAllocateBuffer(myInfo.mQueue, bufferByteSize, &myInfo.mBuffers[i]), "AudioQueueAllocateBuffer failed");
AQTestBufferCallback (&myInfo, myInfo.mQueue, myInfo.mBuffers[i]);
if (myInfo.mDone) break;
}
// set the volume of the queue
XThrowIfError (AudioQueueSetParameter(myInfo.mQueue, kAudioQueueParam_Volume, volume), "set queue volume");
XThrowIfError (AudioQueueAddPropertyListener (myInfo.mQueue, kAudioQueueProperty_IsRunning, MyAudioQueuePropertyListenerProc, NULL), "add listener");
#if !TARGET_OS_IPHONE
if (rate > 0) {
UInt32 propValue = 1;
XThrowIfError (AudioQueueSetProperty (myInfo.mQueue, kAudioQueueProperty_EnableTimePitch, &propValue, sizeof(propValue)), "enable time pitch");
propValue = rQuality ? kAudioQueueTimePitchAlgorithm_Spectral : kAudioQueueTimePitchAlgorithm_TimeDomain;
XThrowIfError (AudioQueueSetProperty (myInfo.mQueue, kAudioQueueProperty_TimePitchAlgorithm, &propValue, sizeof(propValue)), "time pitch algorithm");
propValue = (rate == 1.0f ? 1 : 0); // bypass rate if 1.0
XThrowIfError (AudioQueueSetProperty (myInfo.mQueue, kAudioQueueProperty_TimePitchBypass, &propValue, sizeof(propValue)), "bypass time pitch");
if (rate != 1) {
XThrowIfError (AudioQueueSetParameter (myInfo.mQueue, kAudioQueueParam_PlayRate, rate), "set playback rate");
}
if (doPrint) {
printf ("Enable rate-scaled playback (rate = %.2f) using %s algorithm\n", rate, (rQuality ? "Spectral": "Time Domain"));
}
}
#endif
// lets start playing now - stop is called in the AQTestBufferCallback when there's
// no more to read from the file
XThrowIfError(AudioQueueStart(myInfo.mQueue, NULL), "AudioQueueStart failed");
do {
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.25, false);
currentTime += .25;
if (duration > 0 && currentTime >= duration)
break;
} while (gIsRunning);
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1, false);
XThrowIfError(AudioQueueDispose(myInfo.mQueue, true), "AudioQueueDispose(true) failed");
XThrowIfError(AudioFileClose(myInfo.mAudioFile), "AudioQueueDispose(false) failed");
}
catch (CAXException e) {
char buf[256];
fprintf(stderr, "Error: %s (%s)\n", e.mOperation, e.FormatError(buf));
}
catch (...) {
fprintf(stderr, "Unspecified exception\n");
}
return 0;
}
static void mf_peer_rdpsnd_activated(RdpsndServerContext* context)
{
OSStatus status;
int i, j;
BOOL formatAgreed = FALSE;
AUDIO_FORMAT* agreedFormat = NULL;
//we should actually loop through the list of client formats here
//and see if we can send the client something that it supports...
printf("Client supports the following %d formats: \n", context->num_client_formats);
for (i = 0; i < context->num_client_formats; i++)
{
/* TODO: improve the way we agree on a format */
for (j = 0; j < context->num_server_formats; j++)
{
if ((context->client_formats[i].wFormatTag == context->server_formats[j].wFormatTag) &&
(context->client_formats[i].nChannels == context->server_formats[j].nChannels) &&
(context->client_formats[i].nSamplesPerSec == context->server_formats[j].nSamplesPerSec))
{
printf("agreed on format!\n");
formatAgreed = TRUE;
agreedFormat = (AUDIO_FORMAT*)&context->server_formats[j];
break;
}
}
if (formatAgreed == TRUE)
break;
}
if (formatAgreed == FALSE)
{
printf("Could not agree on a audio format with the server\n");
return;
}
context->SelectFormat(context, i);
context->SetVolume(context, 0x7FFF, 0x7FFF);
switch (agreedFormat->wFormatTag)
{
case WAVE_FORMAT_ALAW:
recorderState.dataFormat.mFormatID = kAudioFormatDVIIntelIMA;
break;
case WAVE_FORMAT_PCM:
recorderState.dataFormat.mFormatID = kAudioFormatLinearPCM;
break;
default:
recorderState.dataFormat.mFormatID = kAudioFormatLinearPCM;
break;
}
recorderState.dataFormat.mSampleRate = agreedFormat->nSamplesPerSec;
recorderState.dataFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;;
recorderState.dataFormat.mBytesPerPacket = 4;
recorderState.dataFormat.mFramesPerPacket = 1;
recorderState.dataFormat.mBytesPerFrame = 4;
recorderState.dataFormat.mChannelsPerFrame = agreedFormat->nChannels;
recorderState.dataFormat.mBitsPerChannel = agreedFormat->wBitsPerSample;
recorderState.snd_context = context;
status = AudioQueueNewInput(&recorderState.dataFormat,
mf_peer_rdpsnd_input_callback,
&recorderState,
NULL,
kCFRunLoopCommonModes,
0,
&recorderState.queue);
if (status != noErr)
{
printf("Failed to create a new Audio Queue. Status code: %d\n", status);
}
UInt32 dataFormatSize = sizeof (recorderState.dataFormat);
AudioQueueGetProperty(recorderState.queue,
kAudioConverterCurrentInputStreamDescription,
&recorderState.dataFormat,
&dataFormatSize);
mf_rdpsnd_derive_buffer_size(recorderState.queue, &recorderState.dataFormat, 0.05, &recorderState.bufferByteSize);
for (i = 0; i < SND_NUMBUFFERS; ++i)
{
AudioQueueAllocateBuffer(recorderState.queue,
recorderState.bufferByteSize,
&recorderState.buffers[i]);
AudioQueueEnqueueBuffer(recorderState.queue,
recorderState.buffers[i],
0,
NULL);
}
recorderState.currentPacket = 0;
recorderState.isRunning = true;
AudioQueueStart (recorderState.queue, NULL);
}
void SoundRecorder::init(const char* audioSource,const SoundDataFormat& sFormat,const char* outputFileName)
{
/* Store and sanify the sound data format: */
format.mSampleRate=double(sFormat.framesPerSecond);
format.mFormatID=kAudioFormatLinearPCM;
format.mFormatFlags=0x0;
format.mBitsPerChannel=sFormat.bitsPerSample>8?(sFormat.bitsPerSample+7)&~0x7:8;
format.mChannelsPerFrame=sFormat.samplesPerFrame>=1?sFormat.samplesPerFrame:1;
format.mBytesPerFrame=format.mChannelsPerFrame*(format.mBitsPerChannel/8);
format.mFramesPerPacket=1;
format.mBytesPerPacket=format.mFramesPerPacket*format.mBytesPerFrame;
/* Determine the output file format from the file name extension: */
AudioFileTypeID audioFileType=kAudioFileWAVEType; // Not really a default; just to make compiler happy
const char* ext=Misc::getExtension(outputFileName);
if(*ext=='\0'||strcasecmp(ext,".aiff")==0)
{
/* Adjust the sound data format for AIFF files: */
audioFileType=kAudioFileAIFFType;
format.mFormatFlags=kLinearPCMFormatFlagIsBigEndian|kLinearPCMFormatFlagIsSignedInteger|kLinearPCMFormatFlagIsPacked;
}
else if(strcasecmp(ext,".wav")==0)
{
/* Adjust the sound data format for WAV files: */
audioFileType=kAudioFileWAVEType;
format.mFormatFlags=kLinearPCMFormatFlagIsPacked;
if(format.mBitsPerChannel>8)
format.mFormatFlags|=kLinearPCMFormatFlagIsSignedInteger;
}
else
Misc::throwStdErr("SoundRecorder::SoundRecorder: Output file name %s has unrecognized extension",outputFileName);
/* Create the recording audio queue: */
if(AudioQueueNewInput(&format,handleInputBufferWrapper,this,0,kCFRunLoopCommonModes,0,&queue)!=noErr)
Misc::throwStdErr("SoundRecorder::SoundRecorder: Error while creating audio queue");
/* Retrieve the fully specified audio data format from the audio queue: */
UInt32 formatSize=sizeof(format);
if(AudioQueueGetProperty(queue,kAudioConverterCurrentOutputStreamDescription,&format,&formatSize)!=noErr)
{
AudioQueueDispose(queue,true);
Misc::throwStdErr("SoundRecorder::SoundRecorder: Error while retrieving audio queue sound format");
}
/* Open the target audio file: */
CFURLRef audioFileURL=CFURLCreateFromFileSystemRepresentation(0,reinterpret_cast<const UInt8*>(outputFileName),strlen(outputFileName),false);
if(AudioFileCreateWithURL(audioFileURL,audioFileType,&format,kAudioFileFlags_EraseFile,&audioFile)!=noErr)
{
AudioQueueDispose(queue,true);
CFRelease(audioFileURL);
Misc::throwStdErr("SoundRecorder::SoundRecorder: Error while opening output file %s",outputFileName);
}
CFRelease(audioFileURL);
/* Calculate an appropriate buffer size and allocate the sound buffers: */
int maxPacketSize=format.mBytesPerPacket;
if(maxPacketSize==0) // Must be a variable bit rate sound format
{
/* Query the expected maximum packet size from the audio queue: */
UInt32 maxVBRPacketSize=sizeof(maxPacketSize);
if(AudioQueueGetProperty(queue,kAudioConverterPropertyMaximumOutputPacketSize,&maxPacketSize,&maxVBRPacketSize)!=noErr)
{
AudioQueueDispose(queue,true);
AudioFileClose(audioFile);
Misc::throwStdErr("SoundRecorder::SoundRecorder: Error while calcuating sample buffer size");
}
}
/* Calculate an appropriate buffer size based on the given duration: */
int numPackets=int(floor(double(format.mSampleRate)*0.25+0.5));
bufferSize=UInt32(numPackets*maxPacketSize);
/* Create the sample buffers: */
for(int i=0;i<2;++i)
{
/* Create the sound buffer: */
if(AudioQueueAllocateBuffer(queue,bufferSize,&buffers[i])!=noErr)
{
AudioQueueDispose(queue,true);
AudioFileClose(audioFile);
Misc::throwStdErr("SoundRecorder::SoundRecorder: Error while allocating sample buffer %d",i);
}
/* Add the buffer to the queue: */
if(AudioQueueEnqueueBuffer(queue,buffers[i],0,0)!=noErr)
{
AudioQueueDispose(queue,true);
AudioFileClose(audioFile);
Misc::throwStdErr("SoundRecorder::SoundRecorder: Error while enqueuing sample buffer %d",i);
}
}
}
void AudioOutputDeviceCoreAudio::CreateAndStartAudioQueue() throw(Exception) {
OSStatus res = AudioQueueNewOutput (
&aqPlayerState.mDataFormat,
HandleOutputBuffer,
&aqPlayerState,
CFRunLoopGetCurrent(),
kCFRunLoopCommonModes,
0,
&aqPlayerState.mQueue
);
if(res) {
String s = String("AudioQueueNewOutput: Error ") + ToString(res);
throw Exception(s);
}
CFStringRef devUID = CFStringCreateWithCString (
NULL, CurrentDevice.GetUID().c_str(), kCFStringEncodingASCII
);
res = AudioQueueSetProperty (
aqPlayerState.mQueue,
kAudioQueueProperty_CurrentDevice,
&devUID, sizeof(CFStringRef)
);
CFRelease(devUID);
if(res) {
String s = String("Failed to set audio device: ") + ToString(res);
throw Exception(s);
}
for (int i = 0; i < uiBufferNumber; ++i) {
res = AudioQueueAllocateBuffer (
aqPlayerState.mQueue,
aqPlayerState.bufferByteSize,
&aqPlayerState.mBuffers[i]
);
if(res) {
String s = String("AudioQueueAllocateBuffer: Error ");
throw Exception(s + ToString(res));
}
}
res = AudioQueueAddPropertyListener (
aqPlayerState.mQueue,
kAudioQueueProperty_CurrentDevice,
AudioQueueListener,
NULL
);
if(res) std::cerr << "Failed to register device change listener: " << res << std::endl;
res = AudioQueueAddPropertyListener (
aqPlayerState.mQueue,
kAudioQueueProperty_IsRunning,
AudioQueueListener,
NULL
);
if(res) std::cerr << "Failed to register running listener: " << res << std::endl;
Float32 gain = 1.0;
res = AudioQueueSetParameter (
aqPlayerState.mQueue,
kAudioQueueParam_Volume,
gain
);
if(res) std::cerr << "AudioQueueSetParameter: Error " << res << std::endl;
atomic_set(&(aqPlayerState.mIsRunning), 1);
FillBuffers();
PrimeAudioQueue();
res = AudioQueueStart(aqPlayerState.mQueue, NULL);
if(res) {
String s = String("AudioQueueStart: Error ") + ToString(res);
throw Exception(s);
}
}
int main(int argc, const char *argv[])
{
MyRecorder recorder = {0};
AudioStreamBasicDescription recordFormat = {0};
memset(&recordFormat, 0, sizeof(recordFormat));
// Configure the output data format to be AAC
recordFormat.mFormatID = kAudioFormatMPEG4AAC;
recordFormat.mChannelsPerFrame = 2;
// get the sample rate of the default input device
// we use this to adapt the output data format to match hardware capabilities
MyGetDefaultInputDeviceSampleRate(&recordFormat.mSampleRate);
// ProTip: Use the AudioFormat API to trivialize ASBD creation.
// input: atleast the mFormatID, however, at this point we already have
// mSampleRate, mFormatID, and mChannelsPerFrame
// output: the remainder of the ASBD will be filled out as much as possible
// given the information known about the format
UInt32 propSize = sizeof(recordFormat);
CheckError(AudioFormatGetProperty(kAudioFormatProperty_FormatInfo, 0, NULL,
&propSize, &recordFormat), "AudioFormatGetProperty failed");
// create a input (recording) queue
AudioQueueRef queue = {0};
CheckError(AudioQueueNewInput(&recordFormat, // ASBD
MyAQInputCallback, // Callback
&recorder, // user data
NULL, // run loop
NULL, // run loop mode
0, // flags (always 0)
// &recorder.queue), // output: reference to AudioQueue object
&queue),
"AudioQueueNewInput failed");
// since the queue is now initilized, we ask it's Audio Converter object
// for the ASBD it has configured itself with. The file may require a more
// specific stream description than was necessary to create the audio queue.
//
// for example: certain fields in an ASBD cannot possibly be known until it's
// codec is instantiated (in this case, by the AudioQueue's Audio Converter object)
UInt32 size = sizeof(recordFormat);
CheckError(AudioQueueGetProperty(queue, kAudioConverterCurrentOutputStreamDescription,
&recordFormat, &size), "couldn't get queue's format");
// create the audio file
CFURLRef myFileURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR("./output.caf"), kCFURLPOSIXPathStyle, false);
CFShow (myFileURL);
CheckError(AudioFileCreateWithURL(myFileURL, kAudioFileCAFType, &recordFormat,
kAudioFileFlags_EraseFile, &recorder.recordFile), "AudioFileCreateWithURL failed");
CFRelease(myFileURL);
// many encoded formats require a 'magic cookie'. we set the cookie first
// to give the file object as much info as we can about the data it will be receiving
MyCopyEncoderCookieToFile(queue, recorder.recordFile);
// allocate and enqueue buffers
int bufferByteSize = MyComputeRecordBufferSize(&recordFormat, queue, 0.5); // enough bytes for half a second
int bufferIndex;
for (bufferIndex = 0; bufferIndex < kNumberRecordBuffers; ++bufferIndex)
{
AudioQueueBufferRef buffer;
CheckError(AudioQueueAllocateBuffer(queue, bufferByteSize, &buffer),
"AudioQueueAllocateBuffer failed");
CheckError(AudioQueueEnqueueBuffer(queue, buffer, 0, NULL),
"AudioQueueEnqueueBuffer failed");
}
// start the queue. this function return immedatly and begins
// invoking the callback, as needed, asynchronously.
recorder.running = TRUE;
CheckError(AudioQueueStart(queue, NULL), "AudioQueueStart failed");
// and wait
printf("Recording, press <return> to stop:\n");
getchar();
// end recording
printf("* recording done *\n");
recorder.running = FALSE;
CheckError(AudioQueueStop(queue, TRUE), "AudioQueueStop failed");
// a codec may update its magic cookie at the end of an encoding session
// so reapply it to the file now
MyCopyEncoderCookieToFile(queue, recorder.recordFile);
cleanup:
AudioQueueDispose(queue, TRUE);
AudioFileClose(recorder.recordFile);
return 0;
}
static void
macosx_play (int argc, char *argv [])
{ MacOSXAudioData audio_data ;
OSStatus err ;
int i ;
int k ;
memset (&audio_data, 0x55, sizeof (audio_data)) ;
for (k = 1 ; k < argc ; k++)
{ memset (&(audio_data.sfinfo), 0, sizeof (audio_data.sfinfo)) ;
printf ("Playing %s\n", argv [k]) ;
if (! (audio_data.sndfile = sf_open (argv [k], SFM_READ, &(audio_data.sfinfo))))
{ puts (sf_strerror (NULL)) ;
continue ;
} ;
if (audio_data.sfinfo.channels < 1 || audio_data.sfinfo.channels > 2)
{ printf ("Error : channels = %d.\n", audio_data.sfinfo.channels) ;
continue ;
} ;
/* fill ASBD */
audio_data.format.mSampleRate = audio_data.sfinfo.samplerate ;
audio_data.format.mChannelsPerFrame = audio_data.sfinfo.channels ;
audio_data.format.mFormatID = kAudioFormatLinearPCM ;
audio_data.format.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked ;
audio_data.format.mBytesPerPacket = audio_data.format.mChannelsPerFrame * 2 ;
audio_data.format.mFramesPerPacket = 1 ;
audio_data.format.mBytesPerFrame = audio_data.format.mBytesPerPacket ;
audio_data.format.mBitsPerChannel = 16 ;
audio_data.format.mReserved = 0 ;
/* create the queue */
if ((err = AudioQueueNewOutput (&(audio_data.format), macosx_audio_out_callback, &audio_data,
CFRunLoopGetCurrent (), kCFRunLoopCommonModes, 0, &(audio_data.queue))) != noErr)
{ printf ("AudioQueueNewOutput failed\n") ;
return ;
} ;
/* add property listener */
if ((err = AudioQueueAddPropertyListener (audio_data.queue, kAudioQueueProperty_IsRunning, macosx_audio_out_property_callback, &audio_data)) != noErr)
{ printf ("AudioQueueAddPropertyListener failed\n") ;
return ;
} ;
/* create the buffers */
for (i = 0 ; i < kNumberOfAudioBuffers ; i++)
{ if ((err = AudioQueueAllocateBuffer (audio_data.queue, kBytesPerAudioBuffer, &audio_data.queueBuffer [i])) != noErr)
{ printf ("AudioQueueAllocateBuffer failed\n") ;
return ;
} ;
macosx_fill_buffer (&audio_data, audio_data.queueBuffer [i]) ;
} ;
audio_data.done_playing = SF_FALSE ;
/* start queue */
if ((err = AudioQueueStart (audio_data.queue, NULL)) != noErr)
{ printf ("AudioQueueStart failed\n") ;
return ;
} ;
while (audio_data.done_playing == SF_FALSE)
CFRunLoopRun () ;
/* free the buffers */
for (i = 0 ; i < kNumberOfAudioBuffers ; i++)
{ if ((err = AudioQueueFreeBuffer (audio_data.queue, audio_data.queueBuffer [i])) != noErr)
{ printf ("AudioQueueFreeBuffer failed\n") ;
return ;
} ;
} ;
/* free the queue */
if ((err = AudioQueueDispose (audio_data.queue, true)) != noErr)
{ printf ("AudioQueueDispose failed\n") ;
return ;
} ;
sf_close (audio_data.sndfile) ;
} ;
return ;
} /* macosx_play, AudioQueue implementation */
static int tdav_producer_audioqueue_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec)
{
OSStatus ret;
tsk_size_t i;
tdav_producer_audioqueue_t* producer = (tdav_producer_audioqueue_t*)self;
if(!producer || !codec && codec->plugin){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
TMEDIA_PRODUCER(producer)->audio.channels = TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(codec);
TMEDIA_PRODUCER(producer)->audio.rate = TMEDIA_CODEC_RATE_ENCODING(codec);
TMEDIA_PRODUCER(producer)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_ENCODING(codec);
/* codec should have ptime */
// Set audio category
#if TARGET_OS_IPHONE
UInt32 category = kAudioSessionCategory_PlayAndRecord;
AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(category), &category);
#endif
// Create the audio stream description
AudioStreamBasicDescription *description = &(producer->description);
description->mSampleRate = TMEDIA_PRODUCER(producer)->audio.rate;
description->mFormatID = kAudioFormatLinearPCM;
description->mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
description->mChannelsPerFrame = TMEDIA_PRODUCER(producer)->audio.channels;
description->mFramesPerPacket = 1;
description->mBitsPerChannel = TMEDIA_PRODUCER(producer)->audio.bits_per_sample;
description->mBytesPerPacket = description->mBitsPerChannel / 8 * description->mChannelsPerFrame;
description->mBytesPerFrame = description->mBytesPerPacket;
description->mReserved = 0;
int packetperbuffer = 1000 / TMEDIA_PRODUCER(producer)->audio.ptime;
producer->buffer_size = description->mSampleRate * description->mBytesPerFrame / packetperbuffer;
// Create the record audio queue
ret = AudioQueueNewInput(&(producer->description),
__handle_input_buffer,
producer,
NULL,
kCFRunLoopCommonModes,
0,
&(producer->queue));
for(i = 0; i < CoreAudioRecordBuffers; i++) {
// Create the buffer for the queue
ret = AudioQueueAllocateBuffer(producer->queue, producer->buffer_size, &(producer->buffers[i]));
if (ret) {
break;
}
// Clear the data
memset(producer->buffers[i]->mAudioData, 0, producer->buffer_size);
producer->buffers[i]->mAudioDataByteSize = producer->buffer_size;
// Enqueue the buffer
ret = AudioQueueEnqueueBuffer(producer->queue, producer->buffers[i], 0, NULL);
if (ret) {
break;
}
}
return 0;
}
void Audio_Queue::handlePropertyChange(AudioFileStreamID inAudioFileStream, AudioFileStreamPropertyID inPropertyID, UInt32 *ioFlags)
{
OSStatus err = noErr;
AQ_TRACE("found property '%u%u%u%u'\n", (inPropertyID>>24)&255, (inPropertyID>>16)&255, (inPropertyID>>8)&255, inPropertyID&255);
switch (inPropertyID) {
case kAudioFileStreamProperty_ReadyToProducePackets:
{
cleanup();
// create the audio queue
err = AudioQueueNewOutput(&m_streamDesc, audioQueueOutputCallback, this, CFRunLoopGetCurrent(), NULL, 0, &m_outAQ);
if (err) {
AQ_TRACE("%s: error in AudioQueueNewOutput\n", __PRETTY_FUNCTION__);
m_lastError = err;
if (m_delegate) {
m_delegate->audioQueueInitializationFailed();
}
break;
}
Stream_Configuration *configuration = Stream_Configuration::configuration();
// allocate audio queue buffers
for (unsigned int i = 0; i < configuration->bufferCount; ++i) {
err = AudioQueueAllocateBuffer(m_outAQ, configuration->bufferSize, &m_audioQueueBuffer[i]);
if (err) {
/* If allocating the buffers failed, everything else will fail, too.
* Dispose the queue so that we can later on detect that this
* queue in fact has not been initialized.
*/
AQ_TRACE("%s: error in AudioQueueAllocateBuffer\n", __PRETTY_FUNCTION__);
(void)AudioQueueDispose(m_outAQ, true);
m_outAQ = 0;
m_lastError = err;
if (m_delegate) {
m_delegate->audioQueueInitializationFailed();
}
break;
}
}
// listen for kAudioQueueProperty_IsRunning
err = AudioQueueAddPropertyListener(m_outAQ, kAudioQueueProperty_IsRunning, audioQueueIsRunningCallback, this);
if (err) {
AQ_TRACE("%s: error in AudioQueueAddPropertyListener\n", __PRETTY_FUNCTION__);
m_lastError = err;
break;
}
break;
}
}
}
void Audio_Queue::init()
{
OSStatus err = noErr;
cleanup();
// create the audio queue
err = AudioQueueNewOutput(&m_streamDesc, audioQueueOutputCallback, this, CFRunLoopGetCurrent(), NULL, 0, &m_outAQ);
if (err) {
AQ_TRACE("%s: error in AudioQueueNewOutput\n", __PRETTY_FUNCTION__);
m_lastError = err;
if (m_delegate) {
m_delegate->audioQueueInitializationFailed();
}
return;
}
Stream_Configuration *configuration = Stream_Configuration::configuration();
// allocate audio queue buffers
for (unsigned int i = 0; i < configuration->bufferCount; ++i) {
err = AudioQueueAllocateBuffer(m_outAQ, configuration->bufferSize, &m_audioQueueBuffer[i]);
if (err) {
/* If allocating the buffers failed, everything else will fail, too.
* Dispose the queue so that we can later on detect that this
* queue in fact has not been initialized.
*/
AQ_TRACE("%s: error in AudioQueueAllocateBuffer\n", __PRETTY_FUNCTION__);
(void)AudioQueueDispose(m_outAQ, true);
m_outAQ = 0;
m_lastError = err;
if (m_delegate) {
m_delegate->audioQueueInitializationFailed();
}
return;
}
}
// listen for kAudioQueueProperty_IsRunning
err = AudioQueueAddPropertyListener(m_outAQ, kAudioQueueProperty_IsRunning, audioQueueIsRunningCallback, this);
if (err) {
AQ_TRACE("%s: error in AudioQueueAddPropertyListener\n", __PRETTY_FUNCTION__);
m_lastError = err;
return;
}
if (configuration->enableTimeAndPitchConversion) {
UInt32 enableTimePitchConversion = 1;
err = AudioQueueSetProperty (m_outAQ, kAudioQueueProperty_EnableTimePitch, &enableTimePitchConversion, sizeof(enableTimePitchConversion));
if (err != noErr) {
AQ_TRACE("Failed to enable time and pitch conversion. Play rate setting will fail\n");
}
}
if (m_initialOutputVolume != 1.0) {
setVolume(m_initialOutputVolume);
}
}
int main(int argc, const char *argv[])
{
MyPlayer player = {0};
CFURLRef myFileURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, kPlaybackFileLocation, kCFURLPOSIXPathStyle, false);
// open the audio file
// CheckError(AudioFileOpenURL(myFileURL, fsRdPerm, 0, &player.playbackFile), "AudioFileOpenURL failed");
CheckError(AudioFileOpenURL(myFileURL, kAudioFileReadPermission, 0, &player.playbackFile), "AudioFileOpenURL failed");
CFRelease(myFileURL);
// get the audio data format from the file
AudioStreamBasicDescription dataFormat;
UInt32 propSize = sizeof(dataFormat);
CheckError(AudioFileGetProperty(player.playbackFile, kAudioFilePropertyDataFormat,
&propSize, &dataFormat), "couldn't get file's data format");
// create a output (playback) queue
AudioQueueRef queue;
CheckError(AudioQueueNewOutput(&dataFormat, // ASBD
MyAQOutputCallback, // Callback
&player, // user data
NULL, // run loop
NULL, // run loop mode
0, // flags (always 0)
&queue), // output: reference to AudioQueue object
"AudioQueueNewOutput failed");
// adjust buffer size to represent about a half second (0.5) of audio based on this format
UInt32 bufferByteSize;
CalculateBytesForTime(player.playbackFile, dataFormat, 0.5, &bufferByteSize, &player.numPacketsToRead);
// check if we are dealing with a VBR file. ASBDs for VBR files always have
// mBytesPerPacket and mFramesPerPacket as 0 since they can fluctuate at any time.
// If we are dealing with a VBR file, we allocate memory to hold the packet descriptions
bool isFormatVBR = (dataFormat.mBytesPerPacket == 0 || dataFormat.mFramesPerPacket == 0);
if (isFormatVBR)
player.packetDescs = (AudioStreamPacketDescription*)malloc(sizeof(AudioStreamPacketDescription) * player.numPacketsToRead);
else
player.packetDescs = NULL; // we don't provide packet descriptions for constant bit rate formats (like linear PCM)
// get magic cookie from file and set on queue
MyCopyEncoderCookieToQueue(player.playbackFile, queue);
// allocate the buffers and prime the queue with some data before starting
AudioQueueBufferRef buffers[kNumberPlaybackBuffers];
player.isDone = false;
player.packetPosition = 0;
int i;
for (i = 0; i < kNumberPlaybackBuffers; ++i)
{
CheckError(AudioQueueAllocateBuffer(queue, bufferByteSize, &buffers[i]), "AudioQueueAllocateBuffer failed");
// manually invoke callback to fill buffers with data
MyAQOutputCallback(&player, queue, buffers[i]);
// EOF (the entire file's contents fit in the buffers)
if (player.isDone)
break;
}
//CheckError(AudioQueueAddPropertyListener(aqp.queue, kAudioQueueProperty_IsRunning, MyAQPropertyListenerCallback, &aqp), "AudioQueueAddPropertyListener(kAudioQueueProperty_IsRunning) failed");
// start the queue. this function returns immedatly and begins
// invoking the callback, as needed, asynchronously.
CheckError(AudioQueueStart(queue, NULL), "AudioQueueStart failed");
// and wait
printf("Playing...\n");
do
{
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.25, false);
} while (!player.isDone /*|| gIsRunning*/);
// isDone represents the state of the Audio File enqueuing. This does not mean the
// Audio Queue is actually done playing yet. Since we have 3 half-second buffers in-flight
// run for continue to run for a short additional time so they can be processed
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 2, false);
// end playback
player.isDone = true;
CheckError(AudioQueueStop(queue, TRUE), "AudioQueueStop failed");
cleanup:
AudioQueueDispose(queue, TRUE);
AudioFileClose(player.playbackFile);
return 0;
}
int
main (int argc, const char *argv[])
{
CFURLRef audioFileURLRef;
OSStatus ret;
audioFileURLRef = CFURLCreateWithFileSystemPath (
kCFAllocatorDefault,
/* CFSTR ("../misc/test.wav"), */
CFSTR ("../misc/alin.wav"),
kCFURLPOSIXPathStyle,
FALSE
);
ret = AudioFileOpenURL(
audioFileURLRef,
kAudioFileReadWritePermission,
0,
&myInfo.mAudioFile);
if (ret != noErr) {
printf("fail to open audio file %x\n", ret);
return 1;
}
UInt32 propSize = sizeof(myInfo.mDataFormat);
ret = AudioFileGetProperty(
myInfo.mAudioFile,
kAudioFilePropertyDataFormat,
&propSize,
&myInfo.mDataFormat
);
if (ret != noErr) {
printf("AudioFileGetProperty error code %d\n", ret);
return 1;
}
printf("sample rate: %f\n"
"mFormatID: %u\n"
"mFormatFlags: %u\n"
"mBytesPerPacket: %u\n"
"mChannelsPerFrame: %u\n",
myInfo.mDataFormat.mSampleRate,
myInfo.mDataFormat.mFormatID,
myInfo.mDataFormat.mFormatFlags,
myInfo.mDataFormat.mBytesPerPacket,
myInfo.mDataFormat.mChannelsPerFrame
);
// Instantiate an audio queue object
ret = AudioQueueNewOutput(
&myInfo.mDataFormat,
AQTestBufferCallback,
&myInfo,
CFRunLoopGetCurrent(),
kCFRunLoopCommonModes,
0,
&myInfo.mQueue
);
if (ret != noErr) {
printf("AudioQueueNewOutput error code %d\n", ret);
return 1;
}
AudioQueueAddPropertyListener(myInfo.mQueue, kAudioQueueProperty_IsRunning,
AudioEnginePropertyListenerProc, &myInfo);
/* FIXME allocate AudioQueue buffer */
int i;
for (i = 0; i < 3; i++) {
AudioQueueAllocateBuffer(myInfo.mQueue, 441 * 4, &myInfo.mBuffers[i]);
}
AudioQueueStart(myInfo.mQueue, NULL);
printf("Run loop\n");
// create a system sound ID to represent the sound file
/* OSStatus error = AudioServicesCreateSystemSoundID (myURLRef, &mySSID); */
// Register the sound completion callback.
// Again, useful when you need to free memory after playing.
/* AudioServicesAddSystemSoundCompletion ( */
/* mySSID, */
/* NULL, */
/* NULL, */
/* MyCompletionCallback, */
/* (void *) myURLRef */
/* ); */
// Play the sound file.
/* AudioServicesPlaySystemSound (mySSID); */
// Invoke a run loop on the current thread to keep the application
// running long enough for the sound to play; the sound completion
// callback later stops this run loop.
CFRunLoopRun ();
return 0;
}
void Audio_Queue::handlePropertyChange(AudioFileStreamID inAudioFileStream, AudioFileStreamPropertyID inPropertyID, UInt32 *ioFlags)
{
OSStatus err = noErr;
AQ_TRACE("found property '%lu%lu%lu%lu'\n", (inPropertyID>>24)&255, (inPropertyID>>16)&255, (inPropertyID>>8)&255, inPropertyID&255);
switch (inPropertyID) {
case kAudioFileStreamProperty_ReadyToProducePackets:
{
cleanup();
// the file stream parser is now ready to produce audio packets.
// get the stream format.
memset(&m_streamDesc, 0, sizeof(m_streamDesc));
UInt32 asbdSize = sizeof(m_streamDesc);
err = AudioFileStreamGetProperty(inAudioFileStream, kAudioFileStreamProperty_DataFormat, &asbdSize, &m_streamDesc);
if (err) {
AQ_TRACE("%s: error in kAudioFileStreamProperty_DataFormat\n", __PRETTY_FUNCTION__);
m_lastError = err;
break;
}
// create the audio queue
err = AudioQueueNewOutput(&m_streamDesc, audioQueueOutputCallback, this, CFRunLoopGetCurrent(), NULL, 0, &m_outAQ);
if (err) {
AQ_TRACE("%s: error in AudioQueueNewOutput\n", __PRETTY_FUNCTION__);
if (m_delegate) {
m_delegate->audioQueueInitializationFailed();
}
m_lastError = err;
break;
}
// allocate audio queue buffers
for (unsigned int i = 0; i < AQ_BUFFERS; ++i) {
err = AudioQueueAllocateBuffer(m_outAQ, AQ_BUFSIZ, &m_audioQueueBuffer[i]);
if (err) {
/* If allocating the buffers failed, everything else will fail, too.
* Dispose the queue so that we can later on detect that this
* queue in fact has not been initialized.
*/
AQ_TRACE("%s: error in AudioQueueAllocateBuffer\n", __PRETTY_FUNCTION__);
(void)AudioQueueDispose(m_outAQ, true);
m_outAQ = 0;
if (m_delegate) {
m_delegate->audioQueueInitializationFailed();
}
m_lastError = err;
break;
}
}
setCookiesForStream(inAudioFileStream);
// listen for kAudioQueueProperty_IsRunning
err = AudioQueueAddPropertyListener(m_outAQ, kAudioQueueProperty_IsRunning, audioQueueIsRunningCallback, this);
if (err) {
AQ_TRACE("%s: error in AudioQueueAddPropertyListener\n", __PRETTY_FUNCTION__);
m_lastError = err;
break;
}
break;
}
}
}
void StreamPropertyListenerProc(void * inClientData,
AudioFileStreamID inAudioFileStream,
AudioFileStreamPropertyID inPropertyID,
UInt32 * ioFlags)
{
// this is called by audio file stream when it finds property values
struct audioPlayer* player = (struct audioPlayer*)inClientData;
OSStatus err = noErr;
// printf("found property '%c%c%c%c'\n", (inPropertyID>>24)&255, (inPropertyID>>16)&255, (inPropertyID>>8)&255, inPropertyID&255);
switch (inPropertyID) {
case kAudioFileStreamProperty_ReadyToProducePackets :
{
// the file stream parser is now ready to produce audio packets.
// get the stream format.
AudioStreamBasicDescription asbd;
UInt32 asbdSize = sizeof(asbd);
err = AudioFileStreamGetProperty(inAudioFileStream, kAudioFileStreamProperty_DataFormat, &asbdSize, &asbd);
if (err) {
PRINTERROR("get kAudioFileStreamProperty_DataFormat");
player->failed = true;
break;
}
//TODO: Is this really right!?!
player->songDuration = player->waith.contentLength * 2000 / asbd.mSampleRate;
player->samplerate = asbd.mSampleRate;
player->packetDuration = asbd.mFramesPerPacket / asbd.mSampleRate;
// create the audio queue
err = AudioQueueNewOutput(&asbd, PianobarAudioQueueOutputCallback, player, NULL, NULL, 0, &player->audioQueue);
if (err) {
PRINTERROR("AudioQueueNewOutput");
player->failed = true;
break;
}
// allocate audio queue buffers
for (unsigned int i = 0; i < kNumAQBufs; ++i) {
err = AudioQueueAllocateBuffer(player->audioQueue, kAQBufSize, &player->audioQueueBuffer[i]);
if (err) {
PRINTERROR("AudioQueueAllocateBuffer");
player->failed = true;
break;
}
}
// get the cookie size
UInt32 cookieSize;
Boolean writable;
err = AudioFileStreamGetPropertyInfo(inAudioFileStream, kAudioFileStreamProperty_MagicCookieData, &cookieSize, &writable);
if (err) {
PRINTERROR("info kAudioFileStreamProperty_MagicCookieData");
break;
}
// get the cookie data
void* cookieData = calloc(1, cookieSize);
err = AudioFileStreamGetProperty(inAudioFileStream, kAudioFileStreamProperty_MagicCookieData, &cookieSize, cookieData);
if (err) {
PRINTERROR("get kAudioFileStreamProperty_MagicCookieData");
free(cookieData);
break;
}
// set the cookie on the queue.
err = AudioQueueSetProperty(player->audioQueue, kAudioQueueProperty_MagicCookie, cookieData, cookieSize);
free(cookieData);
if (err) {
PRINTERROR("set kAudioQueueProperty_MagicCookie");
break;
}
// listen for kAudioQueueProperty_IsRunning
err = AudioQueueAddPropertyListener(player->audioQueue, kAudioQueueProperty_IsRunning, AudioQueueIsRunningCallback, player);
if (err) {
PRINTERROR("AudioQueueAddPropertyListener");
player->failed = true;
break;
}
break;
}
}
}
