void CAAudioFileConverter::ConvertFile(const ConversionParameters &_params)
{
FSRef destFSRef;
UInt32 propertySize;
CAStreamBasicDescription destFormat;
CAAudioChannelLayout origSrcFileLayout, srcFileLayout, destFileLayout;
bool openedSourceFile = false, createdOutputFile = false;
mParams = _params;
mReadBuffer = NULL;
mReadPtrs = NULL;
CABufferList *writeBuffer = NULL;
CABufferList *writePtrs = NULL;
PrepareConversion();
try {
if (TaggedDecodingFromCAF())
ReadCAFInfo();
OpenInputFile();
openedSourceFile = true;
// get input file's format
const CAStreamBasicDescription &srcFormat = mSrcFile.GetFileDataFormat();
if (mParams.flags & kOpt_Verbose) {
printf("Input file: %s, %qd frames\n", mParams.input.filePath ? basename(mParams.input.filePath) : "?",
mSrcFile.GetNumberFrames());
}
mSrcFormat = srcFormat;
bool encoding = !destFormat.IsPCM();
bool decoding = !srcFormat.IsPCM();
// prepare output file's format
destFormat = mParams.output.dataFormat;
if (!encoding && destFormat.mSampleRate == 0.)
// on encode, it's OK to have a 0 sample rate; ExtAudioFile will get the SR from the converter and set it on the file.
// on decode or PCM->PCM, a sample rate of 0 is interpreted as using the source sample rate
destFormat.mSampleRate = srcFormat.mSampleRate;
// source channel layout
srcFileLayout = mSrcFile.GetFileChannelLayout();
origSrcFileLayout = srcFileLayout;
if (mParams.input.channelLayoutTag != 0) {
XThrowIf(AudioChannelLayoutTag_GetNumberOfChannels(mParams.input.channelLayoutTag)
!= srcFormat.mChannelsPerFrame, -1, "input channel layout has wrong number of channels for file");
srcFileLayout = CAAudioChannelLayout(mParams.input.channelLayoutTag);
mSrcFile.SetFileChannelLayout(srcFileLayout);
}
// destination channel layout
int outChannels = mParams.output.channels;
if (mParams.output.channelLayoutTag != 0) {
// use the one specified by caller, if any
destFileLayout = CAAudioChannelLayout(mParams.output.channelLayoutTag);
} else if (srcFileLayout.IsValid()) {
// otherwise, assume the same as the source, if any
destFileLayout = srcFileLayout;
}
if (destFileLayout.IsValid()) {
// the output channel layout specifies the number of output channels
if (outChannels != -1)
XThrowIf((unsigned)outChannels != destFileLayout.NumberChannels(), -1,
"output channel layout has wrong number of channels");
else
outChannels = destFileLayout.NumberChannels();
}
if (!(mParams.flags & kOpt_NoSanitizeOutputFormat)) {
// adjust the output format's channels; output.channels overrides the channels
if (outChannels == -1)
outChannels = srcFormat.mChannelsPerFrame;
if (outChannels > 0) {
destFormat.mChannelsPerFrame = outChannels;
destFormat.mBytesPerPacket *= outChannels;
destFormat.mBytesPerFrame *= outChannels;
}
// use AudioFormat API to clean up the output format
propertySize = sizeof(AudioStreamBasicDescription);
XThrowIfError(AudioFormatGetProperty(kAudioFormatProperty_FormatInfo, 0, NULL, &propertySize, &destFormat),
"get destination format info");
}
OpenOutputFile(srcFormat, destFormat, destFSRef, destFileLayout);
createdOutputFile = true;
mDestFormat = destFormat;
// set up client formats
CAStreamBasicDescription srcClientFormat, destClientFormat;
{
CAAudioChannelLayout srcClientLayout, destClientLayout;
if (encoding) {
if (decoding) {
// transcoding
// XThrowIf(encoding && decoding, -1, "transcoding not currently supported");
if (srcFormat.mChannelsPerFrame > 2 || destFormat.mChannelsPerFrame > 2)
CAXException::Warning("Transcoding multichannel audio may not handle channel layouts correctly", 0);
srcClientFormat.SetCanonical(std::min(srcFormat.mChannelsPerFrame, destFormat.mChannelsPerFrame), true);
srcClientFormat.mSampleRate = std::max(srcFormat.mSampleRate, destFormat.mSampleRate);
mSrcFile.SetClientFormat(srcClientFormat, NULL);
destClientFormat = srcClientFormat;
} else {
// encoding
srcClientFormat = srcFormat;
destClientFormat = srcFormat;
}
// by here, destClientFormat will have a valid sample rate
destClientLayout = srcFileLayout.IsValid() ? srcFileLayout : destFileLayout;
mDestFile.SetClientFormat(destClientFormat, &destClientLayout);
} else {
// decoding or PCM->PCM
if (destFormat.mSampleRate == 0.)
destFormat.mSampleRate = srcFormat.mSampleRate;
destClientFormat = destFormat;
srcClientFormat = destFormat;
srcClientLayout = destFileLayout;
mSrcFile.SetClientFormat(srcClientFormat, &srcClientLayout);
}
}
XThrowIf(srcClientFormat.mBytesPerPacket == 0, -1, "source client format not PCM");
XThrowIf(destClientFormat.mBytesPerPacket == 0, -1, "dest client format not PCM");
if (encoding) {
// set the bitrate
if (mParams.output.bitRate != -1) {
if (mParams.flags & kOpt_Verbose)
printf("bitrate = %ld\n", mParams.output.bitRate);
mDestFile.SetConverterProperty(kAudioConverterEncodeBitRate, sizeof(UInt32), &mParams.output.bitRate);
}
// set the codec quality
if (mParams.output.codecQuality != -1) {
if (mParams.flags & kOpt_Verbose)
printf("codec quality = %ld\n", mParams.output.codecQuality);
mDestFile.SetConverterProperty(kAudioConverterCodecQuality, sizeof(UInt32), &mParams.output.codecQuality);
}
// set the bitrate strategy -- called bitrate format in the codecs since it had already shipped
if (mParams.output.strategy != -1) {
if (mParams.flags & kOpt_Verbose)
printf("strategy = %ld\n", mParams.output.strategy);
mDestFile.SetConverterProperty(kAudioCodecBitRateFormat, sizeof(UInt32), &mParams.output.strategy);
}
}
// set the SRC quality
if (mParams.output.srcQuality != -1) {
if (srcFormat.mSampleRate != 0. && destFormat.mSampleRate != 0. && srcFormat.mSampleRate != destFormat.mSampleRate) {
if (mParams.flags & kOpt_Verbose)
printf("SRC quality = %ld\n", mParams.output.srcQuality);
if (encoding)
mDestFile.SetConverterProperty(kAudioConverterSampleRateConverterQuality, sizeof(UInt32), &mParams.output.srcQuality);
else
mSrcFile.SetConverterProperty(kAudioConverterSampleRateConverterQuality, sizeof(UInt32), &mParams.output.srcQuality);
}
}
if (decoding) {
if (mParams.output.primeMethod != -1)
mSrcFile.SetConverterProperty(kAudioConverterPrimeMethod, sizeof(UInt32), &mParams.output.primeMethod);
}
PrintFormats(&origSrcFileLayout);
// prepare I/O buffers
UInt32 bytesToRead = 0x10000;
UInt32 framesToRead = bytesToRead; // OK, ReadPackets will limit as appropriate
ComputeReadSize(srcFormat, destFormat, bytesToRead, framesToRead);
// const SInt64 totalFrames = mSrcFile.GetNumberFrames();
//#warning "GetNumberFrames() can be prohibitively slow for some formats"
mReadBuffer = CABufferList::New("readbuf", srcClientFormat);
mReadBuffer->AllocateBuffers(bytesToRead);
mReadPtrs = CABufferList::New("readptrs", srcClientFormat);
BeginConversion();
while (true) {
//XThrowIf(Progress(mSrcFile.Tell(), totalFrames), userCanceledErr, "user stopped");
// this was commented out for awhile -- performance? make it optional?
UInt32 nFrames = framesToRead;
mReadPtrs->SetFrom(mReadBuffer);
AudioBufferList *readbuf = &mReadPtrs->GetModifiableBufferList();
mSrcFile.Read(nFrames, readbuf);
//printf("read %ld of %ld frames\n", nFrames, framesToRead);
if (nFrames == 0)
break;
mDestFile.Write(nFrames, readbuf);
if (ShouldTerminateConversion())
break;
}
if (decoding) {
// fix up the destination file's length if necessary and possible
SInt64 nframes = mSrcFile.GetNumberFrames();
if (nframes != 0) {
// only shorten, don't try to lengthen
nframes = SInt64(ceil(nframes * destFormat.mSampleRate / srcFormat.mSampleRate));
if (nframes < mDestFile.GetNumberFrames()) {
mDestFile.SetNumberFrames(nframes);
}
}
}
EndConversion();
}
catch (...) {
delete mReadBuffer;
delete mReadPtrs;
delete writeBuffer;
delete writePtrs;
if (!createdOutputFile)
PrintFormats(&origSrcFileLayout);
try { mSrcFile.Close(); } catch (...) { }
try { mDestFile.Close(); } catch (...) { }
if (createdOutputFile)
unlink(mOutName);
throw;
}
delete mReadBuffer;
delete mReadPtrs;
delete writeBuffer;
delete writePtrs;
mSrcFile.Close();
mDestFile.Close();
if (TaggedEncodingToCAF())
WriteCAFInfo();
if (mParams.flags & kOpt_Verbose) {
// must close to flush encoder; GetNumberFrames() not necessarily valid until afterwards but then
// the file is closed
CAAudioFile temp;
FSRef destFSRef;
if (FSPathMakeRef((UInt8 *)mOutName, &destFSRef, NULL) == noErr) {
temp.Open(destFSRef);
printf("Output file: %s, %qd frames\n", basename(mOutName), temp.GetNumberFrames());
}
}
}
int main(int argc, const char * argv[])
{
setbuf (stdout, NULL);
#if TARGET_OS_MAC
{
thread_extended_policy_data_t theFixedPolicy;
theFixedPolicy.timeshare = false; // set to true for a non-fixed thread
thread_policy_set(pthread_mach_thread_np(pthread_self()),
THREAD_EXTENDED_POLICY,
(thread_policy_t)&theFixedPolicy,
THREAD_EXTENDED_POLICY_COUNT);
// We keep a reference to the spawning thread's priority around (initialized in the constructor),
// and set the importance of the child thread relative to the spawning thread's priority.
thread_precedence_policy_data_t thePrecedencePolicy;
thePrecedencePolicy.importance = 63 - 36;
thread_policy_set(pthread_mach_thread_np(pthread_self()),
THREAD_PRECEDENCE_POLICY,
(thread_policy_t)&thePrecedencePolicy,
THREAD_PRECEDENCE_POLICY_COUNT);
}
#endif
// These are the variables that are set up from the input parsing
char* srcFilePath = NULL;
char* destFilePath = NULL;
char* auPresetFile = NULL;
bool shortMemoryProfile = false;
OSType manu, subType, type = 0;
int userSetFrames = -1;
for (int i = 1; i < argc; ++i)
{
if (strcmp (argv[i], "-au") == 0) {
if ( (i + 3) < argc ) {
StrToOSType (argv[i + 1], type);
StrToOSType (argv[i + 2], subType);
StrToOSType (argv[i + 3], manu);
i += 3;
} else {
printf ("Which Audio Unit:\n%s", usageStr);
exit(1);
}
}
else if (strcmp (argv[i], "-i") == 0) {
srcFilePath = const_cast<char*>(argv[++i]);
}
else if (strcmp (argv[i], "-o") == 0) {
destFilePath = const_cast<char*>(argv[++i]);
}
else if (strcmp (argv[i], "-p") == 0) {
auPresetFile = const_cast<char*>(argv[++i]);
}
else if (strcmp (argv[i], "-m") == 0) {
shortMemoryProfile = true;
}
else if (strcmp (argv[i], "-f") == 0) {
sscanf(argv[++i], "%d", &userSetFrames);
}
else {
printf ("%s\n", usageStr);
exit(1);
}
}
if (!type || !srcFilePath) {
printf ("%s\n", usageStr);
exit(1);
}
if (!destFilePath) {
if (!shortMemoryProfile) {
printf ("%s\n", usageStr);
exit(1);
}
}
// delete pre-existing output file
if (!shortMemoryProfile) {
FSRef destFSRef;
if (FSPathMakeRef((UInt8 *)destFilePath, &destFSRef, NULL) == noErr) {
// output file exists - delete it
if (FSDeleteObject(&destFSRef)) {
printf ("Cannot Delete Output File\n");
exit(1);
}
}
}
CAComponentDescription desc(type, subType, manu);
CFPropertyListRef presetDict = ReadPresetFromPresetFile(auPresetFile);
// the num of frames to use when processing the file with the Render call
UInt32 maxFramesToUse = shortMemoryProfile ? 512 : 32768;
// not set from command line
if (userSetFrames > 0) {
maxFramesToUse = userSetFrames;
}
// in some settings (for instance a delay with 100% feedback) tail time is essentially infinite
// so you should safeguard the final OL render stage (post process) which is aimed at pulling the tail through
// if you want to bypass this completely, just set this to zero.
Float64 maxTailTimeSecs = 10.;
#pragma mark -
#pragma mark __ The driving code
#pragma mark -
try
{
CAComponent comp(desc);
// CAAUProcessor's constructor throws... so make sure the component is valid
if (comp.IsValid() == false) {
printf ("Can't Find Component\n");
desc.Print();
exit(1);
}
CAAUProcessor processor(comp);
processor.AU().Print();
CAAudioFile srcFile;
CAAudioFile destFile;
srcFile.Open(srcFilePath);
CAStreamBasicDescription procFormat (srcFile.GetFileDataFormat());
procFormat.SetCanonical (srcFile.GetFileDataFormat().NumberChannels(), false);
printf ("Processing Format:\n\t");
procFormat.Print();
if (!shortMemoryProfile) {
FSRef parentDir;
CFStringRef filename;
PosixPathToParentFSRefAndName(destFilePath, parentDir, filename);
destFile.CreateNew (parentDir, filename, 'AIFF', srcFile.GetFileDataFormat());
destFile.SetClientFormat (procFormat);
}
srcFile.SetClientFormat (procFormat);
AUOutputBL outputList(procFormat);
ReadBuffer* readBuf = NULL;
#if !CAAF_USE_EXTAUDIOFILE
UInt64 numInputSamples = srcFile.GetNumberPackets();
#else
UInt64 numInputSamples = srcFile.GetNumberFrames();
#endif
if (shortMemoryProfile) {
readBuf = new ReadBuffer;
readBuf->readData = new AUOutputBL(procFormat);
readBuf->readFrames = 0;
UInt32 numFrames = UInt32(procFormat.mSampleRate / 2);
readBuf->readData->Allocate (numFrames); // half a second of audio data
readBuf->readData->Prepare(); // half a second of audio data
// read 1/2 second of audio into this read buffer
srcFile.Read (numFrames, readBuf->readData->ABL());
sInputCallback.inputProc = MemoryInputCallback;
sInputCallback.inputProcRefCon = readBuf;
numInputSamples = numFrames;
}
else {
if (desc.IsFConv()) {
maxFramesToUse = userSetFrames == -1 ? 512 : maxFramesToUse;
// some format converter's can call you several times in small granularities
// so you can't use a large buffer to render or you won't return all of the input data
// this also lessens the final difference between what you should get and what you do
// converter units *really* should have a version that are offline AU's to
// handle this for you.
sInputCallback.inputProc = FConvInputCallback;
} else
sInputCallback.inputProc = InputCallback;
sInputCallback.inputProcRefCon = &srcFile;
}
OSStatus result;
require_noerr (result = processor.EstablishInputCallback (sInputCallback), home);
require_noerr (result = processor.SetMaxFramesPerRender (maxFramesToUse), home);
processor.SetMaxTailTime (maxTailTimeSecs);
require_noerr (result = processor.Initialize (procFormat, numInputSamples), home);
if (presetDict) {
require_noerr (result = processor.SetAUPreset (presetDict), home);
CFRelease (presetDict);
}
// this does ALL of the preflighting.. could be specialise for an OfflineAU type
// to do this piecemeal and do a progress bar by using the OfflineAUPreflight method
require_noerr (result = processor.Preflight (), home);
bool isDone; isDone = false;
bool needsPostProcessing;
bool isSilence;
UInt32 numFrames; numFrames = processor.MaxFramesPerRender();
#if CA_AU_PROFILE_TIME
sReadTime = 0;
sRenderTime = 0;
#endif
PRINT_MARKS();
// this is the render loop
while (!isDone)
{
#if CA_AU_PROFILE_TIME
UInt64 now = CAHostTimeBase::GetTheCurrentTime();
#endif
outputList.Prepare(); // have to do this every time...
require_noerr (result = processor.Render (outputList.ABL(), numFrames, isSilence, &isDone,
&needsPostProcessing), home);
#if CA_AU_PROFILE_TIME
sRenderTime += (CAHostTimeBase::GetTheCurrentTime() - now);
#endif
if (!shortMemoryProfile)
PRINT_PROGRESS(processor.GetOLPercentComplete());
else
PRINT_PROGRESS(((processor.SampleTime() / numInputSamples) * 100.));
if (numFrames && !shortMemoryProfile)
destFile.Write (numFrames, outputList.ABL());
}
// this is the postprocessing if needed
if (!shortMemoryProfile && needsPostProcessing)
{
isDone = false;
numFrames = processor.MaxFramesPerRender();
while (!isDone) {
outputList.Prepare(); // have to do this every time...
#if CA_AU_PROFILE_TIME
UInt64 now = CAHostTimeBase::GetTheCurrentTime();
#endif
require_noerr (result = processor.PostProcess (outputList.ABL(), numFrames,
isSilence, isDone), home);
#if CA_AU_PROFILE_TIME
sRenderTime += (CAHostTimeBase::GetTheCurrentTime() - now);
#endif
PRINT_PROGRESS(processor.GetOLPercentComplete());
if (numFrames && !shortMemoryProfile)
destFile.Write (numFrames, outputList.ABL());
}
}
printf ("\n");
home:
if (result) {
printf ("Exit with bad result:%ld\n", result);
exit(result);
}
if (readBuf) {
delete readBuf->readData;
delete readBuf;
}
#if CA_AU_PROFILE_TIME
if (!shortMemoryProfile) {
// this flushes any remaing data to be written to the disk.
// the source file is closed in its destructor of course
destFile.Close();
// open the file again, to get stats about it for profiling
destFile.Open(destFilePath);
}
SInt64 numWritten;
if (shortMemoryProfile)
numWritten = 0;
else {
#if !CAAF_USE_EXTAUDIOFILE
numWritten = destFile.GetNumberPackets();
#else
numWritten = destFile.GetNumberFrames();
#endif
}
printf ("Read File Time:%.2f secs for %lld packets (%.1f secs), wrote %lld packets\n",
(CAHostTimeBase::ConvertToNanos (sReadTime) / 1.0e9),
numInputSamples,
(numInputSamples / procFormat.mSampleRate),
numWritten);
if (!shortMemoryProfile)
{
#if !CAAF_USE_EXTAUDIOFILE
UInt64 numOutputSamples = destFile.GetNumberPackets();
#else
UInt64 numOutputSamples = destFile.GetNumberFrames();
#endif
if (numOutputSamples == numInputSamples) {
printf ("\tWrote the same number of packets as read\n");
} else {
bool expectationMet = !desc.IsOffline(); // we don't have any expectations for offline AU's
if (processor.LatencySampleCount() || processor.TailSampleCount()) {
if (numOutputSamples - numInputSamples == processor.TailSampleCount())
expectationMet = true;
if (expectationMet)
printf ("Correctly wrote \'Read Size + Tail\'. ");
printf ("AU reports (samples): %ld latency, %ld tail\n",
processor.LatencySampleCount(), processor.TailSampleCount());
}
if (expectationMet == false)
{
if (numOutputSamples > numInputSamples) {
printf ("\tWrote %lld packets (%.2f secs) more than read\n",
(numOutputSamples - numInputSamples),
((numOutputSamples - numInputSamples) / procFormat.mSampleRate));
} else {
printf ("\tRead %lld packets (%.2f secs) more than wrote\n",
(numInputSamples - numOutputSamples),
((numInputSamples - numOutputSamples) / procFormat.mSampleRate));
}
}
}
}
Float64 renderTimeSecs = CAHostTimeBase::ConvertToNanos (sRenderTime - sReadTime) / 1.0e9;
printf ("Total Render Time:%.2f secs, using render slice size of %ld frames\n",
renderTimeSecs, maxFramesToUse);
Float64 cpuUsage;
if (shortMemoryProfile)
cpuUsage = (renderTimeSecs / 0.5) * 100.;
else
cpuUsage = (renderTimeSecs / (numInputSamples / procFormat.mSampleRate)) * 100.;
printf ("CPU Usage for Render Time:%.2f%%\n", cpuUsage);
CFStringRef str = comp.GetCompName();
UInt32 compNameLen = CFStringGetLength (str);
CFStringRef presetName = NULL;
if (auPresetFile) {
CFPropertyListRef dict;
if (processor.AU().GetAUPreset (dict) == noErr) {
presetName = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)dict, CFSTR("name"));
CFRelease (dict);
}
}
UInt32 presetLen = presetName ? CFStringGetLength(presetName) : 0;
char* cstr = (char*)malloc (compNameLen + presetLen + 2 + 1);
CFStringGetCString (str, cstr, (CFStringGetLength (str) + 1), kCFStringEncodingASCII);
if (presetName) {
cstr[compNameLen] = ':';
cstr[compNameLen+1] = ':';
CFStringGetCString (presetName, cstr + compNameLen + 2, (CFStringGetLength (presetName) + 1), kCFStringEncodingASCII);
}
PerfResult("AudioUnitProcess", EndianU32_NtoB(comp.Desc().componentSubType), cstr, cpuUsage, "%realtime");
free (cstr);
#endif
}
catch (CAXException &e) {
char buf[256];
printf("Error: %s (%s)\n", e.mOperation, e.FormatError(buf));
exit(1);
}
catch (...) {
printf("An unknown error occurred\n");
exit(1);
}
return 0;
}
int main(int argc, const char * argv[])
{
#if TARGET_OS_MAC
{
thread_extended_policy_data_t theFixedPolicy;
theFixedPolicy.timeshare = false; // set to true for a non-fixed thread
thread_policy_set(pthread_mach_thread_np(pthread_self()),
THREAD_EXTENDED_POLICY,
(thread_policy_t)&theFixedPolicy,
THREAD_EXTENDED_POLICY_COUNT);
// We keep a reference to the spawning thread's priority around (initialized in the constructor),
// and set the importance of the child thread relative to the spawning thread's priority.
thread_precedence_policy_data_t thePrecedencePolicy;
thePrecedencePolicy.importance = 63 - 36;
thread_policy_set(pthread_mach_thread_np(pthread_self()),
THREAD_PRECEDENCE_POLICY,
(thread_policy_t)&thePrecedencePolicy,
THREAD_PRECEDENCE_POLICY_COUNT);
}
#endif
// These are the variables that are set up from the input parsing
char* srcFilePath = NULL;
char* auPresetFile = NULL;
OSType manu, subType, type = 0;
UInt32 numFrames = 4096;
for (int i = 1; i < argc; ++i)
{
if (strcmp (argv[i], "-au") == 0) {
if ( (i + 3) < argc ) {
StrToOSType (argv[i + 1], type);
StrToOSType (argv[i + 2], subType);
StrToOSType (argv[i + 3], manu);
i += 3;
} else {
printf ("Which Audio Unit:\n%s", usageStr);
exit(1);
}
}
else if (strcmp (argv[i], "-i") == 0) {
srcFilePath = const_cast<char*>(argv[++i]);
}
else if (strcmp (argv[i], "-p") == 0) {
auPresetFile = const_cast<char*>(argv[++i]);
}
else if (strcmp (argv[i], "-f") == 0) {
sscanf(argv[++i], "%ld", &numFrames);
}
else {
printf ("%s\n", usageStr);
exit(1);
}
}
if (!type || !srcFilePath) {
printf ("%s\n", usageStr);
exit(1);
}
CAComponentDescription desc(type, subType, manu);
CFPropertyListRef presetDict = ReadPresetFromPresetFile(auPresetFile);
#pragma mark -
#pragma mark __ The driving code
#pragma mark -
try
{
CAComponent comp(desc);
// CAAUProcessor's constructor throws... so make sure the component is valid
if (comp.IsValid() == false) {
printf ("Can't Find Component\n");
desc.Print();
exit(1);
}
CAAUProcessor processor(comp);
processor.AU().Comp().Print();
CAAudioFile srcFile;
srcFile.Open(srcFilePath);
UInt64 numInputSamples = srcFile.GetNumberFrames();
Float64 inputSecs = (numInputSamples / srcFile.GetFileDataFormat().mSampleRate);
CAStreamBasicDescription procFormat (srcFile.GetFileDataFormat());
procFormat.SetCanonical (srcFile.GetFileDataFormat().NumberChannels(), false);
printf ("Processing file: %s, %.1f secs [proc: %ld frames]\n", srcFilePath, inputSecs, numFrames);
#if VERBOSE
printf("\t");
procFormat.Print();
#endif
srcFile.SetClientFormat (procFormat);
AUOutputBL outputList(procFormat);
// read the entire file into memory
ReadBuffer* readBuf = new ReadBuffer;
readBuf->readData = new AUOutputBL(procFormat);
readBuf->totalInputFrames = numInputSamples;
readBuf->readData->Allocate (numInputSamples);
readBuf->readData->Prepare();
UInt32 readSamps = (UInt32)numInputSamples;
srcFile.Read (readSamps, readBuf->readData->ABL());
AURenderCallbackStruct inputCallback;
inputCallback.inputProc = MemoryInputCallback;
inputCallback.inputProcRefCon = readBuf;
OSStatus result;
require_noerr (result = processor.EstablishInputCallback (inputCallback), home);
require_noerr (result = processor.SetMaxFramesPerRender (numFrames), home);
require_noerr (result = processor.Initialize (procFormat, numInputSamples), home);
if (presetDict) {
require_noerr (result = processor.SetAUPreset (presetDict), home);
CFRelease (presetDict);
}
// this does ALL of the preflighting.. could be specialise for an OfflineAU type
// to do this piecemeal and do a progress bar by using the OfflineAUPreflight method
readBuf->lastInputFrames = 0;
require_noerr (result = processor.Preflight (), home);
float mean;
// now do the processing....
{
const int kThrasherSize = 4000000;
char* thrasher = new char[kThrasherSize];
bool isDone = false;
UInt32 numMeasures = 0;
Float64 totalMSqrd = 0;
Float64 totalM = 0;
int i = 0;
int discardResults = 3;
// this is the render loop
while (!isDone)
{
bool isSilence, postProcess;
outputList.Prepare(); // have to do this every time...
readBuf->lastInputFrames = 0;
sLastReadTime = 0;
memset (thrasher, numMeasures, kThrasherSize);
UInt64 now = CAHostTimeBase::GetTheCurrentTime();
require_noerr (result = processor.Render (outputList.ABL(), numFrames, isSilence, &isDone, &postProcess), home);
UInt64 renderTime = (CAHostTimeBase::GetTheCurrentTime() - now);
if (i++ < discardResults) continue;
if (!readBuf->lastInputFrames) break;
Float64 renderTimeSecs = CAHostTimeBase::ConvertToNanos (renderTime - sLastReadTime) / 1.0e9;
Float64 cpuTime = (renderTimeSecs / (readBuf->lastInputFrames / procFormat.mSampleRate)) * 100.;
numMeasures++;
totalMSqrd += (cpuTime * cpuTime);
totalM += cpuTime;
if (cpuTime > sMaxTime)
sMaxTime = cpuTime;
if (cpuTime < sMinTime)
sMinTime = cpuTime;
#if VERBOSE
// printf ("current measure: %.2f\n", cpuTime);
if (numMeasures % 5 == 0) {
Float64 mean = totalM / numMeasures;
// stdDev = (sum of Xsquared -((sum of X)*(sum of X)/N)) / (N-1))
Float64 stdDev = sqrt ((totalMSqrd - ((totalM * totalM) / numMeasures)) / (numMeasures-1.0));
printf ("ave: %.2f, min: %.2f, max: %.2f, stdev: %.2f, numMeasures: %ld, current: %f\n",
mean, sMinTime, sMaxTime, stdDev, numMeasures, cpuTime);
}
#endif
}
delete [] thrasher;
mean = totalM / numMeasures;
// stdDev = (sum of Xsquared -((sum of X)*(sum of X)/N)) / (N-1))
Float64 stdDev = sqrt ((totalMSqrd - ((totalM * totalM) / numMeasures)) / (numMeasures-1.0));
printf ("ave: %.2f, min: %.2f, max: %.2f, sd: %.2f, sd / mean: %.2f%%\n",
mean, sMinTime, sMaxTime, stdDev, (stdDev / mean * 100.));
}
// we don't care about post-processing
home:
if (result) {
printf ("Exit with bad result:%ld\n", result);
exit(result);
}
if (readBuf) {
delete readBuf->readData;
delete readBuf;
}
CFStringRef str = comp.GetCompName();
UInt32 compNameLen = CFStringGetLength (str);
CFStringRef presetName = NULL;
if (auPresetFile) {
CFPropertyListRef dict;
if (processor.AU().GetAUPreset (dict) == noErr) {
presetName = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)dict, CFSTR("name"));
CFRelease (dict);
}
}
UInt32 presetLen = presetName ? CFStringGetLength(presetName) : 0;
UInt32 groupID = comp.Desc().componentSubType;
char* cstr = (char*)malloc (compNameLen + presetLen + 2 + 1);
CFStringGetCString (str, cstr, (CFStringGetLength (str) + 1), kCFStringEncodingASCII);
if (presetName) {
cstr[compNameLen] = ':';
cstr[compNameLen+1] = ':';
CFStringGetCString (presetName, cstr + compNameLen + 2, (CFStringGetLength (presetName) + 1), kCFStringEncodingASCII);
int len = strlen(cstr);
for (int i = 0; i < len; ++i)
groupID += cstr[i];
}
PerfResult("AU Profile", EndianU32_NtoB(groupID), cstr, mean, "%realtime");
free (cstr);
}
catch (CAXException &e) {
char buf[256];
printf("Error: %s (%s)\n", e.mOperation, e.FormatError(buf));
exit(1);
}
catch (...) {
printf("An unknown error occurred\n");
exit(1);
}
return 0;
}
int qtaacdecode(const char *infileName, const char *outfileName)
{
QTAACFile infile;
CAAudioFile outfile;
CABufferList *readBuffer = NULL, *readPtrs = NULL;
bool createdOutputFile = false;
try {
EnterMovies();
infile.Open(infileName);
// for now we'll always convert to 16-bit stereo 44100 AIFF
CAStreamBasicDescription dataFormat;
dataFormat.mSampleRate = 44100.;
dataFormat.mFormatID = kAudioFormatLinearPCM;
dataFormat.mFormatFlags = kAudioFormatFlagIsBigEndian | kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
dataFormat.mFramesPerPacket = 1;
dataFormat.mChannelsPerFrame = 2;
dataFormat.mBitsPerChannel = 16;
dataFormat.mBytesPerPacket = dataFormat.mBytesPerFrame = 4;
infile.SetClientFormat(dataFormat);
outfile.PrepareNew(dataFormat);
// create the output file
outfile.Create(outfileName, kAudioFileAIFFType);
createdOutputFile = true;
// prepare I/O buffers
const UInt32 bytesToRead = 0x8000;
const UInt32 packetsToRead = bytesToRead; // OK, ReadPackets will limit as appropriate
readBuffer = CABufferList::New("readbuf", dataFormat);
readBuffer->AllocateBuffers(bytesToRead);
readPtrs = CABufferList::New("readptrs", dataFormat);
while (true) {
UInt32 nPackets = packetsToRead;
readPtrs->SetFrom(readBuffer);
AudioBufferList *readbuf = &readPtrs->GetModifiableBufferList();
infile.ReadPackets(nPackets, readbuf);
if (nPackets == 0)
break;
outfile.WritePackets(nPackets, readbuf);
}
}
catch (CAXException &e) {
char buf[256];
fprintf(stderr, "Error: %s (%s)\n", e.mOperation, CAXException::FormatError(buf, e.mError));
delete readBuffer;
delete readPtrs;
infile.Close();
if (createdOutputFile)
outfile.Delete();
return 1;
}
catch (...) {
fprintf(stderr, "An unknown error occurred\n");
delete readBuffer;
delete readPtrs;
infile.Close();
if (createdOutputFile)
outfile.Delete();
return 1;
}
infile.Close();
outfile.Close();
return 0;
}
