diff options
Diffstat (limited to 'libs/appleutility/CoreAudio/PublicUtility/CAExtAudioFile.h')
| -rw-r--r-- | libs/appleutility/CoreAudio/PublicUtility/CAExtAudioFile.h | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/libs/appleutility/CoreAudio/PublicUtility/CAExtAudioFile.h b/libs/appleutility/CoreAudio/PublicUtility/CAExtAudioFile.h index f1aa56fb5e..bf0c7e1385 100644 --- a/libs/appleutility/CoreAudio/PublicUtility/CAExtAudioFile.h +++ b/libs/appleutility/CoreAudio/PublicUtility/CAExtAudioFile.h @@ -2,14 +2,14 @@ File: CAExtAudioFile.h Abstract: Part of CoreAudio Utility Classes Version: 1.1 - + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. ("Apple") in consideration of your agreement to the following terms, and your use, installation, modification or redistribution of this Apple software constitutes acceptance of these terms. If you do not agree with these terms, please do not use, install, modify or redistribute this Apple software. - + In consideration of your agreement to abide by the following terms, and subject to these terms, Apple grants you a personal, non-exclusive license, under Apple's copyrights in this original Apple software (the @@ -25,13 +25,13 @@ implied, are granted by Apple herein, including but not limited to any patent rights that may be infringed by your derivative works or by other works in which the Apple Software may be incorporated. - + The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. - + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS @@ -40,9 +40,9 @@ AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - + Copyright (C) 2014 Apple Inc. All Rights Reserved. - + */ #ifndef __CAExtAudioFile_h__ #define __CAExtAudioFile_h__ @@ -74,9 +74,9 @@ public: { Close(); } - + bool IsValid() const { return mExtAudioFile != NULL; } - + void Open(const char* filename) { Close(); @@ -88,7 +88,7 @@ public: Check(res, "ExtAudioFileOpenURL"); CFRelease (url); } - + // this group of methods maps directly to the API other than OSStatus results translating into exceptions. // you must explicitly open, wrap or create a file. void OpenURL(CFURLRef url) @@ -96,7 +96,7 @@ public: Close(); Check(ExtAudioFileOpenURL(url, &mExtAudioFile), "ExtAudioFileOpenURL"); } - + void WrapAudioFileID(AudioFileID inFileID, Boolean forWriting) { Close(); @@ -114,7 +114,7 @@ public: Check(res, "ExtAudioFileCreateWithURL"); CFRelease(url); } - + void CreateWithURL(CFURLRef url, AudioFileTypeID filetype, const AudioStreamBasicDescription &streamDesc, const AudioChannelLayout *channelLayout, UInt32 flags) { Close(); @@ -129,12 +129,12 @@ public: mExtAudioFile = NULL; } } - + void Read(UInt32 &ioNumberFrames, AudioBufferList *ioData) { Check(ExtAudioFileRead(mExtAudioFile, &ioNumberFrames, ioData), "ExtAudioFileRead"); } - + OSStatus Write(UInt32 inNumberFrames, const AudioBufferList *ioData) { OSStatus err = ExtAudioFileWrite(mExtAudioFile, inNumberFrames, ioData); @@ -154,41 +154,41 @@ public: } return err; } - + void WriteAsync(UInt32 inNumberFrames, const AudioBufferList *ioData) { Check(ExtAudioFileWriteAsync(mExtAudioFile, inNumberFrames, ioData), "ExtAudioFileWriteAsync"); } - + void Seek(SInt64 inFrameOffset) { Check(ExtAudioFileSeek(mExtAudioFile, inFrameOffset), "ExtAudioFileSeek"); } - + SInt64 Tell() const { SInt64 pos; Check(ExtAudioFileTell(mExtAudioFile, &pos), "ExtAudioFileTell"); return pos; } - + UInt32 GetPropertyInfo(ExtAudioFilePropertyID propid, Boolean *outWritable) const { UInt32 size; CheckProperty(ExtAudioFileGetPropertyInfo(mExtAudioFile, propid, &size, outWritable), "ExtAudioFileGetPropertyInfo", propid); return size; } - + void GetProperty(ExtAudioFilePropertyID propid, UInt32 &ioSize, void *outData) const { CheckProperty(ExtAudioFileGetProperty(mExtAudioFile, propid, &ioSize, outData), "ExtAudioFileGetProperty", propid); } - + void SetProperty(ExtAudioFilePropertyID propid, UInt32 size, const void *inData) { CheckProperty(ExtAudioFileSetProperty(mExtAudioFile, propid, size, inData), "ExtAudioFileSetProperty", propid); } - + const CAAudioChannelLayout &GetFileChannelLayout() { return FetchChannelLayout(mFileChannelLayout, kExtAudioFileProperty_FileChannelLayout); @@ -204,13 +204,13 @@ public: GetProperty(kExtAudioFileProperty_FileDataFormat, size, &mFileDataFormat); return mFileDataFormat; } - + const CAStreamBasicDescription &GetClientDataFormat() { UInt32 size = sizeof(mClientDataFormat); GetProperty(kExtAudioFileProperty_ClientDataFormat, size, &mClientDataFormat); return mClientDataFormat; } - + void SetClientFormat(const CAStreamBasicDescription &dataFormat, const CAAudioChannelLayout *layout=NULL, UInt32 codecManuf=0) { if (codecManuf != 0) @@ -219,11 +219,11 @@ public: if (layout) SetClientChannelLayout(*layout); } - + void SetClientChannelLayout(const CAAudioChannelLayout &layout) { SetProperty(kExtAudioFileProperty_ClientChannelLayout, layout.Size(), &layout.Layout()); } - + AudioConverterRef GetConverter() const { UInt32 size = sizeof(AudioConverterRef); AudioConverterRef converter = NULL; @@ -232,7 +232,7 @@ public: } bool HasConverter() const { return GetConverter() != NULL; } - + OSStatus SetConverterProperty(AudioConverterPropertyID inPropertyID, UInt32 inPropertyDataSize, const void *inPropertyData, bool inCanFail=false) { OSStatus err = AudioConverterSetProperty(GetConverter(), inPropertyID, inPropertyDataSize, inPropertyData); @@ -245,14 +245,14 @@ public: } return err; } - + SInt64 GetNumberFrames() { SInt64 length; UInt32 size = sizeof(SInt64); GetProperty(kExtAudioFileProperty_FileLengthFrames, size, &length); return length; } - + protected: virtual void Check(OSStatus err, const char *func) const @@ -263,7 +263,7 @@ protected: throw CAXException(txt, err); } } - + virtual void CheckProperty(OSStatus err, const char *func, UInt32 propid) const { if (err) { @@ -289,7 +289,7 @@ private: private: ExtAudioFileRef mExtAudioFile; - + // for convenience to the client, it helps if we hold onto some storage for these CAStreamBasicDescription mFileDataFormat; CAAudioChannelLayout mFileChannelLayout; |