CFURLRef Caching_Stream::createFileURLWithPath(CFStringRef path)
{
CFURLRef regularUrl = CFURLCreateWithString(kCFAllocatorDefault, path, NULL);
CFURLRef fileUrl = CFURLCreateFilePathURL(kCFAllocatorDefault, regularUrl, NULL);
CFRelease(regularUrl);
return fileUrl;
}
CFURLRef Caching_Stream::createFileURLWithPath(CFStringRef path)
{
CFURLRef fileUrl = NULL;
if (!path) {
return fileUrl;
}
CFStringRef escapedPath = CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, path, NULL, NULL, kCFStringEncodingUTF8);
CFURLRef regularUrl = CFURLCreateWithString(kCFAllocatorDefault, (escapedPath ? escapedPath : path), NULL);
if (regularUrl) {
fileUrl = CFURLCreateFilePathURL(kCFAllocatorDefault, regularUrl, NULL);
CFRelease(regularUrl);
}
if (escapedPath) {
CFRelease(escapedPath);
}
return fileUrl;
}
QString absolutePathFromOSX(const QString& s)
{
QString result;
#if !(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1060)
CFStringRef cfStr = CFStringCreateWithCString(kCFAllocatorDefault, s.toUtf8().constData(), kCFStringEncodingUTF8);
if (cfStr) {
CFURLRef cfUrl = CFURLCreateWithString(kCFAllocatorDefault, cfStr, NULL);
if (cfUrl) {
CFErrorRef error = 0;
CFURLRef cfUrlAbs = CFURLCreateFilePathURL(kCFAllocatorDefault, cfUrl, &error);
if (cfUrlAbs) {
CFStringRef cfStrAbsUrl = CFURLGetString(cfUrlAbs);
result = fromCFString(cfStrAbsUrl);
CFRelease(cfUrlAbs);
}
CFRelease(cfUrl);
}
CFRelease(cfStr);
}
#else
Q_UNUSED(s);
#endif
return result;
}
AudioDecoder * AudioDecoder::CreateDecoderForInputSource(InputSource *inputSource, CFStringRef mimeType, CFErrorRef *error)
{
if(nullptr == inputSource)
return nullptr;
AudioDecoder *decoder = nullptr;
// Open the input source if it isn't already
if(AutomaticallyOpenDecoders() && !inputSource->IsOpen() && !inputSource->Open(error))
return nullptr;
// As a factory this class has knowledge of its subclasses
// It would be possible (and perhaps preferable) to switch to a generic
// plugin interface at a later date
#if 0
// If the input is an instance of HTTPInputSource, use the MIME type from the server
// This code is disabled because most HTTP servers don't send the correct MIME types
HTTPInputSource *httpInputSource = dynamic_cast<HTTPInputSource *>(inputSource);
bool releaseMIMEType = false;
if(!mimeType && httpInputSource && httpInputSource->IsOpen()) {
mimeType = httpInputSource->CopyContentMIMEType();
if(mimeType)
releaseMIMEType = true;
}
#endif
// The MIME type takes precedence over the file extension
if(mimeType) {
if(FLACDecoder::HandlesMIMEType(mimeType)) {
decoder = new FLACDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && WavPackDecoder::HandlesMIMEType(mimeType)) {
decoder = new WavPackDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && MPEGDecoder::HandlesMIMEType(mimeType)) {
decoder = new MPEGDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && OggVorbisDecoder::HandlesMIMEType(mimeType)) {
decoder = new OggVorbisDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && OggSpeexDecoder::HandlesMIMEType(mimeType)) {
decoder = new OggSpeexDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
#if !TARGET_OS_IPHONE
if(nullptr == decoder && MusepackDecoder::HandlesMIMEType(mimeType)) {
decoder = new MusepackDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && MonkeysAudioDecoder::HandlesMIMEType(mimeType)) {
decoder = new MonkeysAudioDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && MODDecoder::HandlesMIMEType(mimeType)) {
decoder = new MODDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && TrueAudioDecoder::HandlesMIMEType(mimeType)) {
decoder = new TrueAudioDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && LibsndfileDecoder::HandlesMIMEType(mimeType)) {
decoder = new LibsndfileDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
#endif
if(nullptr == decoder && CoreAudioDecoder::HandlesMIMEType(mimeType)) {
decoder = new CoreAudioDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
#if 0
if(releaseMIMEType)
CFRelease(mimeType), mimeType = nullptr;
#endif
if(decoder)
return decoder;
}
// If no MIME type was specified, use the extension-based resolvers
CFURLRef inputURL = inputSource->GetURL();
if(!inputURL)
return nullptr;
// Determining the extension isn't as simple as using CFURLCopyPathExtension (wouldn't that be nice?),
// because although the behavior on Lion works like one would expect, on Snow Leopard it returns
// a number that I believe is part of the inode number, but is definitely NOT the extension
CFStringRef pathExtension = nullptr;
#if !TARGET_OS_IPHONE
CFURLRef filePathURL = CFURLCreateFilePathURL(kCFAllocatorDefault, inputURL, nullptr);
if(filePathURL) {
pathExtension = CFURLCopyPathExtension(filePathURL);
CFRelease(filePathURL), filePathURL = nullptr;
}
else
#endif
pathExtension = CFURLCopyPathExtension(inputURL);
if(!pathExtension) {
if(error) {
CFStringRef description = CFCopyLocalizedString(CFSTR("The type of the file “%@” could not be determined."), "");
CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Unknown file type"), "");
CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may be missing or may not match the file's type."), "");
*error = CreateErrorForURL(InputSourceErrorDomain, InputSourceFileNotFoundError, description, inputURL, failureReason, recoverySuggestion);
CFRelease(description), description = nullptr;
CFRelease(failureReason), failureReason = nullptr;
CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
}
return nullptr;
}
// TODO: Some extensions (.oga for example) support multiple audio codecs (Vorbis, FLAC, Speex)
// and if openDecoder is false the wrong decoder type may be returned, since the file isn't analyzed
// until Open() is called
if(FLACDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new FLACDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && WavPackDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new WavPackDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && MPEGDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new MPEGDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && OggVorbisDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new OggVorbisDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && OggSpeexDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new OggSpeexDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
#if !TARGET_OS_IPHONE
if(nullptr == decoder && MusepackDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new MusepackDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && MonkeysAudioDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new MonkeysAudioDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && MODDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new MODDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && TrueAudioDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new TrueAudioDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
if(nullptr == decoder && LibsndfileDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new LibsndfileDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
#endif
if(nullptr == decoder && CoreAudioDecoder::HandlesFilesWithExtension(pathExtension)) {
decoder = new CoreAudioDecoder(inputSource);
if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
decoder->mInputSource = nullptr;
delete decoder, decoder = nullptr;
}
}
CFRelease(pathExtension), pathExtension = nullptr;
return decoder;
}
// Resolve a path and append it to the CLI settings structure
// The FSEvents API will, internally, resolve paths using a similar scheme.
// Performing this ahead of time makes things less confusing, IMHO.
static void append_path(const char* path)
{
#ifdef DEBUG
fprintf(stderr, "\n");
fprintf(stderr, "append_path called for: %s\n", path);
#endif
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
#ifdef DEBUG
fprintf(stderr, "compiled against 10.6+, using CFURLCreateFileReferenceURL\n");
#endif
CFURLRef url = CFURLCreateFromFileSystemRepresentation(NULL, (const UInt8*)path, (CFIndex)strlen(path), false);
CFURLRef placeholder = CFURLCopyAbsoluteURL(url);
CFRelease(url);
CFMutableArrayRef imaginary = NULL;
// if we don't have an existing url, spin until we get to a parent that
// does exist, saving any imaginary components for appending back later
while(!CFURLResourceIsReachable(placeholder, NULL)) {
#ifdef DEBUG
fprintf(stderr, "path does not exist\n");
#endif
CFStringRef child;
if (imaginary == NULL) {
imaginary = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
}
child = CFURLCopyLastPathComponent(placeholder);
CFArrayInsertValueAtIndex(imaginary, 0, child);
CFRelease(child);
url = CFURLCreateCopyDeletingLastPathComponent(NULL, placeholder);
CFRelease(placeholder);
placeholder = url;
#ifdef DEBUG
fprintf(stderr, "parent: ");
CFShow(placeholder);
#endif
}
#ifdef DEBUG
fprintf(stderr, "path exists\n");
#endif
// realpath() doesn't always return the correct case for a path, so this
// is a funky workaround that converts a path into a (volId/inodeId) pair
// and asks what the path should be for that. since it looks at the actual
// inode instead of returning the same case passed in like realpath()
// appears to do for HFS+, it should always be correct.
url = CFURLCreateFileReferenceURL(NULL, placeholder, NULL);
CFRelease(placeholder);
placeholder = CFURLCreateFilePathURL(NULL, url, NULL);
CFRelease(url);
#ifdef DEBUG
fprintf(stderr, "path resolved to: ");
CFShow(placeholder);
#endif
// if we stripped off any imaginary path components, append them back on
if (imaginary != NULL) {
CFIndex count = CFArrayGetCount(imaginary);
for (CFIndex i = 0; i<count; i++) {
CFStringRef component = CFArrayGetValueAtIndex(imaginary, i);
#ifdef DEBUG
fprintf(stderr, "appending component: ");
CFShow(component);
#endif
url = CFURLCreateCopyAppendingPathComponent(NULL, placeholder, component, false);
CFRelease(placeholder);
placeholder = url;
}
CFRelease(imaginary);
}
#ifdef DEBUG
fprintf(stderr, "result: ");
CFShow(placeholder);
#endif
CFStringRef cfPath = CFURLCopyFileSystemPath(placeholder, kCFURLPOSIXPathStyle);
CFArrayAppendValue(config.paths, cfPath);
CFRelease(cfPath);
CFRelease(placeholder);
#else
#ifdef DEBUG
fprintf(stderr, "compiled against 10.5, using realpath()\n");
#endif
char fullPath[PATH_MAX + 1];
if (realpath(path, fullPath) == NULL) {
#ifdef DEBUG
fprintf(stderr, " realpath not directly resolvable from path\n");
#endif
if (path[0] != '/') {
#ifdef DEBUG
fprintf(stderr, " passed path is not absolute\n");
#endif
size_t len;
getcwd(fullPath, sizeof(fullPath));
#ifdef DEBUG
fprintf(stderr, " result of getcwd: %s\n", fullPath);
#endif
len = strlen(fullPath);
fullPath[len] = '/';
strlcpy(&fullPath[len + 1], path, sizeof(fullPath) - (len + 1));
} else {
#ifdef DEBUG
fprintf(stderr, " assuming path does not YET exist\n");
#endif
strlcpy(fullPath, path, sizeof(fullPath));
}
}
#ifdef DEBUG
fprintf(stderr, " resolved path to: %s\n", fullPath);
fprintf(stderr, "\n");
#endif
CFStringRef pathRef = CFStringCreateWithCString(kCFAllocatorDefault,
fullPath,
kCFStringEncodingUTF8);
CFArrayAppendValue(config.paths, pathRef);
CFRelease(pathRef);
#endif
}
