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replicate the remove-all-trailing whitespace commit(s) in master
This commit is contained in:
Paul Davis
parent
589f2a1ab8
commit
bc487bb4b0
235 changed files with 5833 additions and 5840 deletions
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@ -2,14 +2,14 @@
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File: CAStreamBasicDescription.cpp
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Abstract: CAStreamBasicDescription.h
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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@ -25,13 +25,13 @@
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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@ -40,9 +40,9 @@
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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#include "CAStreamBasicDescription.h"
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#include "CAMath.h"
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@ -72,12 +72,12 @@ char *CAStringForOSType (OSType t, char *writeLocation, size_t bufsize)
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q++;
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}
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q = u.str;
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if (hasNonPrint)
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p += snprintf (p, pend - p, "0x");
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else if (p < pend)
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*p++ = '\'';
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for (int i = 0; i < 4 && p < pend; ++i) {
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if (hasNonPrint) {
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p += snprintf(p, pend - p, "%02X", *q++);
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@ -96,11 +96,11 @@ char *CAStringForOSType (OSType t, char *writeLocation, size_t bufsize)
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const AudioStreamBasicDescription CAStreamBasicDescription::sEmpty = { 0.0, 0, 0, 0, 0, 0, 0, 0, 0 };
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CAStreamBasicDescription::CAStreamBasicDescription()
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{
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memset (this, 0, sizeof(AudioStreamBasicDescription));
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CAStreamBasicDescription::CAStreamBasicDescription()
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{
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memset (this, 0, sizeof(AudioStreamBasicDescription));
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}
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CAStreamBasicDescription::CAStreamBasicDescription(const AudioStreamBasicDescription &desc)
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{
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SetFrom(desc);
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@ -165,15 +165,15 @@ char *CAStreamBasicDescription::AsString(char *buf, size_t _bufsize, bool brief
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return theBuffer;
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}
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}
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nc = snprintf(buf, static_cast<size_t>(bufsize), "%2d ch, %6.0f Hz, %s (0x%08X) ", (int)NumberChannels(), mSampleRate, formatID, (int)mFormatFlags);
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buf += nc; if ((bufsize -= nc) <= 0) goto exit;
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if (mFormatID == kAudioFormatLinearPCM) {
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bool isInt = !(mFormatFlags & kLinearPCMFormatFlagIsFloat);
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int wordSize = static_cast<int>(SampleWordSize());
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const char *endian = (wordSize > 1) ?
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const char *endian = (wordSize > 1) ?
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((mFormatFlags & kLinearPCMFormatFlagIsBigEndian) ? " big-endian" : " little-endian" ) : "";
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const char *sign = isInt ?
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const char *sign = isInt ?
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((mFormatFlags & kLinearPCMFormatFlagIsSignedInteger) ? " signed" : " unsigned") : "";
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const char *floatInt = isInt ? "integer" : "float";
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char packed[32];
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@ -195,9 +195,9 @@ char *CAStreamBasicDescription::AsString(char *buf, size_t _bufsize, bool brief
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snprintf(bitdepth, sizeof(bitdepth), "%d.%d", (int)mBitsPerChannel - fracbits, fracbits);
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else
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snprintf(bitdepth, sizeof(bitdepth), "%d", (int)mBitsPerChannel);
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/*nc =*/ snprintf(buf, static_cast<size_t>(bufsize), "%s-bit%s%s %s%s%s%s%s",
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bitdepth, endian, sign, floatInt,
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bitdepth, endian, sign, floatInt,
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commaSpace, packed, align, deinter);
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// buf += nc; if ((bufsize -= nc) <= 0) goto exit;
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} else if (mFormatID == kAudioFormatAppleLossless) {
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@ -226,7 +226,7 @@ char *CAStreamBasicDescription::AsString(char *buf, size_t _bufsize, bool brief
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// buf += nc; if ((bufsize -= nc) <= 0) goto exit;
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}
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else
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/*nc =*/ snprintf(buf, static_cast<size_t>(bufsize), "%d bits/channel, %d bytes/packet, %d frames/packet, %d bytes/frame",
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/*nc =*/ snprintf(buf, static_cast<size_t>(bufsize), "%d bits/channel, %d bytes/packet, %d frames/packet, %d bytes/frame",
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(int)mBitsPerChannel, (int)mBytesPerPacket, (int)mFramesPerPacket, (int)mBytesPerFrame);
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exit:
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return theBuffer;
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@ -328,7 +328,7 @@ void CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription&
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outName += theCharactersWritten;
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inMaxNameLength -= static_cast<UInt32>(theCharactersWritten);
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}
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switch(inDescription.mFormatID)
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{
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case kAudioFormatLinearPCM:
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@ -346,7 +346,7 @@ void CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription&
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theEndianString = "Little Endian";
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#endif
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}
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const char* theKindString = NULL;
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if((inDescription.mFormatFlags & kAudioFormatFlagIsFloat) != 0)
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{
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@ -360,7 +360,7 @@ void CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription&
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{
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theKindString = (inAbbreviate ? "UInt" : "Unsigned Integer");
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}
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const char* thePackingString = NULL;
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if((inDescription.mFormatFlags & kAudioFormatFlagIsPacked) == 0)
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{
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@ -373,7 +373,7 @@ void CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription&
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thePackingString = "Low";
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}
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}
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const char* theMixabilityString = NULL;
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if((inDescription.mFormatFlags & kIsNonMixableFlag) == 0)
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{
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@ -383,7 +383,7 @@ void CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription&
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{
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theMixabilityString = "Unmixable";
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}
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if(inAbbreviate)
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{
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if(theEndianString != NULL)
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@ -436,15 +436,15 @@ void CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription&
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}
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}
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break;
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case kAudioFormatAC3:
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strlcpy(outName, "AC-3", sizeof(outName));
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break;
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case kAudioFormat60958AC3:
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strlcpy(outName, "AC-3 for SPDIF", sizeof(outName));
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break;
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default:
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CACopy4CCToCString(outName, inDescription.mFormatID);
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break;
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@ -471,9 +471,9 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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{
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bool theAnswer = false;
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bool isDone = false;
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// note that if either side is 0, that field is skipped
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// format ID is the first order sort
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if((!isDone) && ((x.mFormatID != 0) && (y.mFormatID != 0)))
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{
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@ -496,8 +496,8 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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isDone = true;
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}
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}
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// mixable is always better than non-mixable for linear PCM and should be the second order sort item
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if((!isDone) && ((x.mFormatID == kAudioFormatLinearPCM) && (y.mFormatID == kAudioFormatLinearPCM)))
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{
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@ -512,7 +512,7 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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isDone = true;
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}
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}
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// floating point vs integer for linear PCM only
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if((!isDone) && ((x.mFormatID == kAudioFormatLinearPCM) && (y.mFormatID == kAudioFormatLinearPCM)))
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{
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@ -523,7 +523,7 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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isDone = true;
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}
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}
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// bit depth
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if((!isDone) && ((x.mBitsPerChannel != 0) && (y.mBitsPerChannel != 0)))
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{
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@ -534,7 +534,7 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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isDone = true;
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}
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}
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// sample rate
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if((!isDone) && fnonzero(x.mSampleRate) && fnonzero(y.mSampleRate))
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{
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@ -545,7 +545,7 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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isDone = true;
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}
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}
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// number of channels
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if((!isDone) && ((x.mChannelsPerFrame != 0) && (y.mChannelsPerFrame != 0)))
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{
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@ -556,7 +556,7 @@ bool operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescr
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//isDone = true;
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}
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}
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return theAnswer;
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}
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@ -569,24 +569,24 @@ void CAStreamBasicDescription::ModifyFormatFlagsForMatching(const AudioStreamBas
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xFlags = yFlags = 0;
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return;
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}
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if (x.mFormatID == kAudioFormatLinearPCM) {
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// knock off the all clear flag
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xFlags = xFlags & ~kAudioFormatFlagsAreAllClear;
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yFlags = yFlags & ~kAudioFormatFlagsAreAllClear;
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// if both kAudioFormatFlagIsPacked bits are set, then we don't care about the kAudioFormatFlagIsAlignedHigh bit.
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if (xFlags & yFlags & kAudioFormatFlagIsPacked) {
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xFlags = xFlags & ~static_cast<UInt32>(kAudioFormatFlagIsAlignedHigh);
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yFlags = yFlags & ~static_cast<UInt32>(kAudioFormatFlagIsAlignedHigh);
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}
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// if both kAudioFormatFlagIsFloat bits are set, then we don't care about the kAudioFormatFlagIsSignedInteger bit.
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if (xFlags & yFlags & kAudioFormatFlagIsFloat) {
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xFlags = xFlags & ~static_cast<UInt32>(kAudioFormatFlagIsSignedInteger);
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yFlags = yFlags & ~static_cast<UInt32>(kAudioFormatFlagIsSignedInteger);
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}
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// if the bit depth is 8 bits or less and the format is packed, we don't care about endianness
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if((x.mBitsPerChannel <= 8) && ((xFlags & kAudioFormatFlagIsPacked) == kAudioFormatFlagIsPacked))
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{
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{
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yFlags = yFlags & ~static_cast<UInt32>(kAudioFormatFlagIsBigEndian);
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}
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// if the number of channels is 1, we don't care about non-interleavedness
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if (x.mChannelsPerFrame == 1 && y.mChannelsPerFrame == 1) {
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xFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsNonInterleaved);
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yFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsNonInterleaved);
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}
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if (converterOnly) {
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CAStreamBasicDescription cas_x = CAStreamBasicDescription(x);
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CAStreamBasicDescription cas_y = CAStreamBasicDescription(y);
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@ -625,7 +625,7 @@ static bool MatchFormatFlags(const AudioStreamBasicDescription& x, const AudioSt
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{
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UInt32 xFlags = x.mFormatFlags;
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UInt32 yFlags = y.mFormatFlags;
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CAStreamBasicDescription::ModifyFormatFlagsForMatching(x, y, xFlags, yFlags, false);
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return xFlags == yFlags;
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}
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@ -635,37 +635,37 @@ bool operator==(const AudioStreamBasicDescription& x, const AudioStreamBasicDesc
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// the semantics for equality are:
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// 1) Values must match exactly -- except for PCM format flags, see above.
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// 2) wildcard's are ignored in the comparison
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#define MATCH(name) ((x.name) == 0 || (y.name) == 0 || (x.name) == (y.name))
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return
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return
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// check all but the format flags
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CAStreamBasicDescription::FlagIndependentEquivalence(x, y)
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// check the format flags
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&& MatchFormatFlags(x, y);
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&& MatchFormatFlags(x, y);
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}
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bool CAStreamBasicDescription::FlagIndependentEquivalence(const AudioStreamBasicDescription &x, const AudioStreamBasicDescription &y)
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{
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return
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return
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// check the sample rate
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(fiszero(x.mSampleRate) || fiszero(y.mSampleRate) || fequal(x.mSampleRate, y.mSampleRate))
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// check the format ids
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&& MATCH(mFormatID)
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// check the bytes per packet
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&& MATCH(mBytesPerPacket)
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&& MATCH(mBytesPerPacket)
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// check the frames per packet
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&& MATCH(mFramesPerPacket)
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&& MATCH(mFramesPerPacket)
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// check the bytes per frame
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&& MATCH(mBytesPerFrame)
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&& MATCH(mBytesPerFrame)
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// check the channels per frame
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&& MATCH(mChannelsPerFrame)
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&& MATCH(mChannelsPerFrame)
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// check the channels per frame
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&& MATCH(mBitsPerChannel) ;
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}
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@ -679,15 +679,15 @@ bool CAStreamBasicDescription::IsEqual(const AudioStreamBasicDescription &other,
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bool CAStreamBasicDescription::IsFunctionallyEquivalent(const AudioStreamBasicDescription &x, const AudioStreamBasicDescription &y)
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{
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UInt32 xFlags = x.mFormatFlags, yFlags = y.mFormatFlags;
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UInt32 xFlags = x.mFormatFlags, yFlags = y.mFormatFlags;
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CAStreamBasicDescription::ModifyFormatFlagsForMatching(x, y, xFlags, yFlags, true);
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return
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// check all but the format flags
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CAStreamBasicDescription::FlagIndependentEquivalence(x, y)
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// check the format flags with converter focus
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&& (xFlags == yFlags);
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}
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bool SanityCheck(const AudioStreamBasicDescription& x)
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@ -695,9 +695,9 @@ bool SanityCheck(const AudioStreamBasicDescription& x)
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// This function returns false if there are sufficiently insane values in any field.
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// It is very conservative so even some very unlikely values will pass.
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// This is just meant to catch the case where the data from a file is corrupted.
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return
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(x.mSampleRate >= 0.)
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return
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(x.mSampleRate >= 0.)
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&& (x.mSampleRate < 3e6) // SACD sample rate is 2.8224 MHz
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&& (x.mBytesPerPacket < 1000000)
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&& (x.mFramesPerPacket < 1000000)
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@ -711,7 +711,7 @@ bool SanityCheck(const AudioStreamBasicDescription& x)
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bool CAStreamBasicDescription::FromText(const char *inTextDesc, AudioStreamBasicDescription &fmt)
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{
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const char *p = inTextDesc;
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memset(&fmt, 0, sizeof(fmt));
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bool isPCM = true; // until proven otherwise
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@ -764,18 +764,18 @@ bool CAStreamBasicDescription::FromText(const char *inTextDesc, AudioStreamBasic
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p += 2;
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}
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}
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if (strchr("-@/#", buf[3])) {
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// further special-casing for 'aac'
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buf[3] = ' ';
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--p;
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}
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memcpy(&fmt.mFormatID, buf, 4);
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fmt.mFormatID = CFSwapInt32BigToHost(fmt.mFormatID);
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}
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}
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if (isPCM) {
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fmt.mFormatID = kAudioFormatLinearPCM;
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fmt.mFormatFlags = pcmFlags;
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@ -874,6 +874,6 @@ Bail:
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return false;
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}
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const char *CAStreamBasicDescription::sTextParsingUsageString =
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const char *CAStreamBasicDescription::sTextParsingUsageString =
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"format[@sample_rate_hz][/format_flags][#frames_per_packet][:LHbytesPerFrame][,channelsDI].\n"
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"Format for PCM is [-][BE|LE]{F|I|UI}{bitdepth}; else a 4-char format code (e.g. aac, alac).\n";
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