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Logger.cpp
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Logger.cpp
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/*
* Copyright (c) 2011 - 2017 Stephen F. Booth <me@sbooth.org>
* See https://github.com/sbooth/SFBAudioEngine/blob/master/LICENSE.txt for license information
*/
#include <CoreFoundation/CoreFoundation.h>
#if !TARGET_OS_IPHONE
# include <CoreServices/CoreServices.h>
#endif
#include <iomanip>
#include "Logger.h"
#include "CFWrapper.h"
#define BUFFER_LENGTH 512
int SFB::Logger::currentLogLevel = err;
namespace {
/*! @brief Get the string representation of an \c AudioChannelLayoutTag */
const char * GetChannelLayoutTagName(AudioChannelLayoutTag layoutTag)
{
switch(layoutTag) {
case kAudioChannelLayoutTag_Mono: return "kAudioChannelLayoutTag_Mono";
case kAudioChannelLayoutTag_Stereo: return "kAudioChannelLayoutTag_Stereo";
case kAudioChannelLayoutTag_StereoHeadphones: return "kAudioChannelLayoutTag_StereoHeadphones";
case kAudioChannelLayoutTag_MatrixStereo: return "kAudioChannelLayoutTag_MatrixStereo";
case kAudioChannelLayoutTag_MidSide: return "kAudioChannelLayoutTag_MidSide";
case kAudioChannelLayoutTag_XY: return "kAudioChannelLayoutTag_XY";
case kAudioChannelLayoutTag_Binaural: return "kAudioChannelLayoutTag_Binaural";
case kAudioChannelLayoutTag_Ambisonic_B_Format: return "kAudioChannelLayoutTag_Ambisonic_B_Format";
case kAudioChannelLayoutTag_Quadraphonic: return "kAudioChannelLayoutTag_Quadraphonic";
case kAudioChannelLayoutTag_Pentagonal: return "kAudioChannelLayoutTag_Pentagonal";
case kAudioChannelLayoutTag_Hexagonal: return "kAudioChannelLayoutTag_Hexagonal";
case kAudioChannelLayoutTag_Octagonal: return "kAudioChannelLayoutTag_Octagonal";
case kAudioChannelLayoutTag_Cube: return "kAudioChannelLayoutTag_Cube";
case kAudioChannelLayoutTag_MPEG_3_0_A: return "kAudioChannelLayoutTag_MPEG_3_0_A";
case kAudioChannelLayoutTag_MPEG_3_0_B: return "kAudioChannelLayoutTag_MPEG_3_0_B";
case kAudioChannelLayoutTag_MPEG_4_0_A: return "kAudioChannelLayoutTag_MPEG_4_0_A";
case kAudioChannelLayoutTag_MPEG_4_0_B: return "kAudioChannelLayoutTag_MPEG_4_0_B";
case kAudioChannelLayoutTag_MPEG_5_0_A: return "kAudioChannelLayoutTag_MPEG_5_0_A";
case kAudioChannelLayoutTag_MPEG_5_0_B: return "kAudioChannelLayoutTag_MPEG_5_0_B";
case kAudioChannelLayoutTag_MPEG_5_0_C: return "kAudioChannelLayoutTag_MPEG_5_0_C";
case kAudioChannelLayoutTag_MPEG_5_0_D: return "kAudioChannelLayoutTag_MPEG_5_0_D";
case kAudioChannelLayoutTag_MPEG_5_1_A: return "kAudioChannelLayoutTag_MPEG_5_1_A";
case kAudioChannelLayoutTag_MPEG_5_1_B: return "kAudioChannelLayoutTag_MPEG_5_1_B";
case kAudioChannelLayoutTag_MPEG_5_1_C: return "kAudioChannelLayoutTag_MPEG_5_1_C";
case kAudioChannelLayoutTag_MPEG_5_1_D: return "kAudioChannelLayoutTag_MPEG_5_1_D";
case kAudioChannelLayoutTag_MPEG_6_1_A: return "kAudioChannelLayoutTag_MPEG_6_1_A";
case kAudioChannelLayoutTag_MPEG_7_1_A: return "kAudioChannelLayoutTag_MPEG_7_1_A";
case kAudioChannelLayoutTag_MPEG_7_1_B: return "kAudioChannelLayoutTag_MPEG_7_1_B";
case kAudioChannelLayoutTag_MPEG_7_1_C: return "kAudioChannelLayoutTag_MPEG_7_1_C";
case kAudioChannelLayoutTag_Emagic_Default_7_1: return "kAudioChannelLayoutTag_Emagic_Default_7_1";
case kAudioChannelLayoutTag_SMPTE_DTV: return "kAudioChannelLayoutTag_SMPTE_DTV";
case kAudioChannelLayoutTag_ITU_2_1: return "kAudioChannelLayoutTag_ITU_2_1";
case kAudioChannelLayoutTag_ITU_2_2: return "kAudioChannelLayoutTag_ITU_2_2";
case kAudioChannelLayoutTag_DVD_4: return "kAudioChannelLayoutTag_DVD_4";
case kAudioChannelLayoutTag_DVD_5: return "kAudioChannelLayoutTag_DVD_5";
case kAudioChannelLayoutTag_DVD_6: return "kAudioChannelLayoutTag_DVD_6";
case kAudioChannelLayoutTag_DVD_10: return "kAudioChannelLayoutTag_DVD_10";
case kAudioChannelLayoutTag_DVD_11: return "kAudioChannelLayoutTag_DVD_11";
case kAudioChannelLayoutTag_DVD_18: return "kAudioChannelLayoutTag_DVD_18";
case kAudioChannelLayoutTag_AudioUnit_6_0: return "kAudioChannelLayoutTag_AudioUnit_6_0";
case kAudioChannelLayoutTag_AudioUnit_7_0: return "kAudioChannelLayoutTag_AudioUnit_7_0";
case kAudioChannelLayoutTag_AudioUnit_7_0_Front: return "kAudioChannelLayoutTag_AudioUnit_7_0_Front";
case kAudioChannelLayoutTag_AAC_6_0: return "kAudioChannelLayoutTag_AAC_6_0";
case kAudioChannelLayoutTag_AAC_6_1: return "kAudioChannelLayoutTag_AAC_6_1";
case kAudioChannelLayoutTag_AAC_7_0: return "kAudioChannelLayoutTag_AAC_7_0";
case kAudioChannelLayoutTag_AAC_Octagonal: return "kAudioChannelLayoutTag_AAC_Octagonal";
case kAudioChannelLayoutTag_TMH_10_2_std: return "kAudioChannelLayoutTag_TMH_10_2_std";
case kAudioChannelLayoutTag_TMH_10_2_full: return "kAudioChannelLayoutTag_TMH_10_2_full";
case kAudioChannelLayoutTag_AC3_1_0_1: return "kAudioChannelLayoutTag_AC3_1_0_1";
case kAudioChannelLayoutTag_AC3_3_0: return "kAudioChannelLayoutTag_AC3_3_0";
case kAudioChannelLayoutTag_AC3_3_1: return "kAudioChannelLayoutTag_AC3_3_1";
case kAudioChannelLayoutTag_AC3_3_0_1: return "kAudioChannelLayoutTag_AC3_3_0_1";
case kAudioChannelLayoutTag_AC3_2_1_1: return "kAudioChannelLayoutTag_AC3_2_1_1";
case kAudioChannelLayoutTag_AC3_3_1_1: return "kAudioChannelLayoutTag_AC3_3_1_1";
case kAudioChannelLayoutTag_DiscreteInOrder: return "kAudioChannelLayoutTag_DiscreteInOrder";
case kAudioChannelLayoutTag_Unknown: return "kAudioChannelLayoutTag_Unknown";
default: return nullptr;
}
}
/*! @brief Get the string representation of an \c AudioChannelLabel */
const char * GetChannelLabelName(AudioChannelLabel label)
{
switch(label) {
case kAudioChannelLabel_Unknown: return "kAudioChannelLabel_Unknown";
case kAudioChannelLabel_Unused: return "kAudioChannelLabel_Unused";
case kAudioChannelLabel_UseCoordinates: return "kAudioChannelLabel_UseCoordinates";
case kAudioChannelLabel_Left: return "kAudioChannelLabel_Left";
case kAudioChannelLabel_Right: return "kAudioChannelLabel_Right";
case kAudioChannelLabel_Center: return "kAudioChannelLabel_Center";
case kAudioChannelLabel_LFEScreen: return "kAudioChannelLabel_LFEScreen";
case kAudioChannelLabel_LeftSurround: return "kAudioChannelLabel_LeftSurround";
case kAudioChannelLabel_RightSurround: return "kAudioChannelLabel_RightSurround";
case kAudioChannelLabel_LeftCenter: return "kAudioChannelLabel_LeftCenter";
case kAudioChannelLabel_RightCenter: return "kAudioChannelLabel_RightCenter";
case kAudioChannelLabel_CenterSurround: return "kAudioChannelLabel_CenterSurround";
case kAudioChannelLabel_LeftSurroundDirect: return "kAudioChannelLabel_LeftSurroundDirect";
case kAudioChannelLabel_RightSurroundDirect: return "kAudioChannelLabel_RightSurroundDirect";
case kAudioChannelLabel_TopCenterSurround: return "kAudioChannelLabel_TopCenterSurround";
case kAudioChannelLabel_VerticalHeightLeft: return "kAudioChannelLabel_VerticalHeightLeft";
case kAudioChannelLabel_VerticalHeightCenter: return "kAudioChannelLabel_VerticalHeightCenter";
case kAudioChannelLabel_VerticalHeightRight: return "kAudioChannelLabel_VerticalHeightRight";
case kAudioChannelLabel_TopBackLeft: return "kAudioChannelLabel_TopBackLeft";
case kAudioChannelLabel_TopBackCenter: return "kAudioChannelLabel_TopBackCenter";
case kAudioChannelLabel_TopBackRight: return "kAudioChannelLabel_TopBackRight";
case kAudioChannelLabel_RearSurroundLeft: return "kAudioChannelLabel_RearSurroundLeft";
case kAudioChannelLabel_RearSurroundRight: return "kAudioChannelLabel_RearSurroundRight";
case kAudioChannelLabel_LeftWide: return "kAudioChannelLabel_LeftWide";
case kAudioChannelLabel_RightWide: return "kAudioChannelLabel_RightWide";
case kAudioChannelLabel_LFE2: return "kAudioChannelLabel_LFE2";
case kAudioChannelLabel_LeftTotal: return "kAudioChannelLabel_LeftTotal";
case kAudioChannelLabel_RightTotal: return "kAudioChannelLabel_RightTotal";
case kAudioChannelLabel_HearingImpaired: return "kAudioChannelLabel_HearingImpaired";
case kAudioChannelLabel_Narration: return "kAudioChannelLabel_Narration";
case kAudioChannelLabel_Mono: return "kAudioChannelLabel_Mono";
case kAudioChannelLabel_DialogCentricMix: return "kAudioChannelLabel_DialogCentricMix";
case kAudioChannelLabel_CenterSurroundDirect: return "kAudioChannelLabel_CenterSurroundDirect";
case kAudioChannelLabel_Haptic: return "kAudioChannelLabel_Haptic";
case kAudioChannelLabel_Ambisonic_W: return "kAudioChannelLabel_Ambisonic_W";
case kAudioChannelLabel_Ambisonic_X: return "kAudioChannelLabel_Ambisonic_X";
case kAudioChannelLabel_Ambisonic_Y: return "kAudioChannelLabel_Ambisonic_Y";
case kAudioChannelLabel_Ambisonic_Z: return "kAudioChannelLabel_Ambisonic_Z";
case kAudioChannelLabel_MS_Mid: return "kAudioChannelLabel_MS_Mid";
case kAudioChannelLabel_MS_Side: return "kAudioChannelLabel_MS_Side";
case kAudioChannelLabel_XY_X: return "kAudioChannelLabel_XY_X";
case kAudioChannelLabel_XY_Y: return "kAudioChannelLabel_XY_Y";
case kAudioChannelLabel_HeadphonesLeft: return "kAudioChannelLabel_HeadphonesLeft";
case kAudioChannelLabel_HeadphonesRight: return "kAudioChannelLabel_HeadphonesRight";
case kAudioChannelLabel_ClickTrack: return "kAudioChannelLabel_ClickTrack";
case kAudioChannelLabel_ForeignLanguage: return "kAudioChannelLabel_ForeignLanguage";
case kAudioChannelLabel_Discrete: return "kAudioChannelLabel_Discrete";
case kAudioChannelLabel_Discrete_0: return "kAudioChannelLabel_Discrete_0";
case kAudioChannelLabel_Discrete_1: return "kAudioChannelLabel_Discrete_1";
case kAudioChannelLabel_Discrete_2: return "kAudioChannelLabel_Discrete_2";
case kAudioChannelLabel_Discrete_3: return "kAudioChannelLabel_Discrete_3";
case kAudioChannelLabel_Discrete_4: return "kAudioChannelLabel_Discrete_4";
case kAudioChannelLabel_Discrete_5: return "kAudioChannelLabel_Discrete_5";
case kAudioChannelLabel_Discrete_6: return "kAudioChannelLabel_Discrete_6";
case kAudioChannelLabel_Discrete_7: return "kAudioChannelLabel_Discrete_7";
case kAudioChannelLabel_Discrete_8: return "kAudioChannelLabel_Discrete_8";
case kAudioChannelLabel_Discrete_9: return "kAudioChannelLabel_Discrete_9";
case kAudioChannelLabel_Discrete_10: return "kAudioChannelLabel_Discrete_10";
case kAudioChannelLabel_Discrete_11: return "kAudioChannelLabel_Discrete_11";
case kAudioChannelLabel_Discrete_12: return "kAudioChannelLabel_Discrete_12";
case kAudioChannelLabel_Discrete_13: return "kAudioChannelLabel_Discrete_13";
case kAudioChannelLabel_Discrete_14: return "kAudioChannelLabel_Discrete_14";
case kAudioChannelLabel_Discrete_15: return "kAudioChannelLabel_Discrete_15";
case kAudioChannelLabel_Discrete_65535: return "kAudioChannelLabel_Discrete_65535";
default: return nullptr;
}
}
}
void SFB::Logger::Log(levels level, const char *facility, const char *message, const char *function, const char *file, int line)
{
if(currentLogLevel < level)
return;
aslmsg msg = asl_new(ASL_TYPE_MSG);
if(facility)
asl_set(msg, ASL_KEY_FACILITY, facility);
if(function)
asl_set(msg, "Function", function);
if(file)
asl_set(msg, "File", file);
if(-1 != line) {
char buf [32];
if(snprintf(buf, sizeof(buf), "%d", line))
asl_set(msg, "Line", buf);
}
asl_log(nullptr, msg, level, "%s", message);
asl_free(msg);
}
std::ostream& operator<<(std::ostream& out, CFStringRef s)
{
if(nullptr == s) {
out << "(null)";
return out;
}
char buf [BUFFER_LENGTH];
CFIndex totalCharacters = CFStringGetLength(s);
CFIndex currentCharacter = 0;
CFIndex charactersConverted = 0;
CFIndex bytesWritten;
while(currentCharacter < totalCharacters) {
charactersConverted = CFStringGetBytes(s, CFRangeMake(currentCharacter, totalCharacters), kCFStringEncodingUTF8, 0, false, (UInt8 *)buf, BUFFER_LENGTH, &bytesWritten);
currentCharacter += charactersConverted;
out.write(buf, bytesWritten);
};
return out;
}
std::ostream& operator<<(std::ostream& out, CFNumberRef n)
{
if(nullptr == n)
out << "(null)";
else if(n == kCFNumberPositiveInfinity)
out << "+Inf";
else if(n == kCFNumberNegativeInfinity)
out << "-Inf";
else if(n == kCFNumberNaN)
out << "NaN";
else if(CFNumberIsFloatType(n)) {
double val;
if(CFNumberGetValue(n, kCFNumberDoubleType, &val))
out << val;
}
else {
long long val;
if(CFNumberGetValue(n, kCFNumberLongLongType, &val))
out << val;
}
return out;
}
std::ostream& operator<<(std::ostream& out, CFURLRef u)
{
if(nullptr == u) {
out << "(null)";
return out;
}
CFStringRef s = CFURLGetString(u);
#if !TARGET_OS_IPHONE
if(CFStringHasPrefix(s, CFSTR("file:"))) {
CFStringRef displayName = nullptr;
OSStatus result = LSCopyDisplayNameForURL(u, &displayName);
if(noErr == result && nullptr != displayName) {
out << displayName;
CFRelease(displayName);
displayName = nullptr;
}
}
else
#endif
out << s;
return out;
}
std::ostream& operator<<(std::ostream& out, CFErrorRef e)
{
if(nullptr == e) {
out << "(null)";
return out;
}
SFB::CFString r(CFErrorCopyDescription(e));
if(r)
out << r;
return out;
}
std::ostream& operator<<(std::ostream& out, CFUUIDRef u)
{
if(nullptr == u) {
out << "(null)";
return out;
}
SFB::CFString r(CFUUIDCreateString(kCFAllocatorDefault, u));
if(r)
out << r;
return out;
}
std::ostream& operator<<(std::ostream& out, CFUUIDBytes b)
{
SFB::CFUUID u(CFUUIDCreateFromUUIDBytes(kCFAllocatorDefault, b));
if(u)
out << u;
return out;
}
// Most of this is stolen from Apple's CAStreamBasicDescription::Print()
std::ostream& operator<<(std::ostream& out, const AudioStreamBasicDescription& format)
{
unsigned char formatID [5];
*(UInt32 *)formatID = OSSwapHostToBigInt32(format.mFormatID);
formatID[4] = '\0';
// General description
out << format.mChannelsPerFrame << " ch, " << format.mSampleRate << " Hz, '" << formatID << "' (0x" << std::hex << std::setw(8) << std::setfill('0') << format.mFormatFlags << std::dec << ") ";
if(kAudioFormatLinearPCM == format.mFormatID) {
// Bit depth
UInt32 fractionalBits = ((0x3f << 7)/*kLinearPCMFormatFlagsSampleFractionMask*/ & format.mFormatFlags) >> 7/*kLinearPCMFormatFlagsSampleFractionShift*/;
if(0 < fractionalBits)
out << (format.mBitsPerChannel - fractionalBits) << "." << fractionalBits;
else
out << format.mBitsPerChannel;
out << "-bit";
// Endianness
bool isInterleaved = !(kAudioFormatFlagIsNonInterleaved & format.mFormatFlags);
UInt32 interleavedChannelCount = (isInterleaved ? format.mChannelsPerFrame : 1);
UInt32 sampleSize = (0 < format.mBytesPerFrame && 0 < interleavedChannelCount ? format.mBytesPerFrame / interleavedChannelCount : 0);
if(1 < sampleSize)
out << ((kLinearPCMFormatFlagIsBigEndian & format.mFormatFlags) ? " big-endian" : " little-endian");
// Sign
bool isInteger = !(kLinearPCMFormatFlagIsFloat & format.mFormatFlags);
if(isInteger)
out << ((kLinearPCMFormatFlagIsSignedInteger & format.mFormatFlags) ? " signed" : " unsigned");
// Integer or floating
out << (isInteger ? " integer" : " float");
// Packedness
if(0 < sampleSize && ((sampleSize << 3) != format.mBitsPerChannel))
out << ((kLinearPCMFormatFlagIsPacked & format.mFormatFlags) ? ", packed in " : ", unpacked in ") << sampleSize << " bytes";
// Alignment
if((0 < sampleSize && ((sampleSize << 3) != format.mBitsPerChannel)) || (0 != (format.mBitsPerChannel & 7)))
out << ((kLinearPCMFormatFlagIsAlignedHigh & format.mFormatFlags) ? " high-aligned" : " low-aligned");
if(!isInterleaved)
out << ", deinterleaved";
}
else if(kAudioFormatAppleLossless == format.mFormatID) {
UInt32 sourceBitDepth = 0;
switch(format.mFormatFlags) {
case kAppleLosslessFormatFlag_16BitSourceData: sourceBitDepth = 16; break;
case kAppleLosslessFormatFlag_20BitSourceData: sourceBitDepth = 20; break;
case kAppleLosslessFormatFlag_24BitSourceData: sourceBitDepth = 24; break;
case kAppleLosslessFormatFlag_32BitSourceData: sourceBitDepth = 32; break;
}
if(0 != sourceBitDepth)
out << "from " << sourceBitDepth << "-bit source, ";
else
out << "from UNKNOWN source bit depth, ";
out << format.mFramesPerPacket << " frames/packet";
}
else
out << format.mBitsPerChannel << " bits/channel, " << format.mBytesPerPacket << " bytes/packet, " << format.mFramesPerPacket << " frames/packet, " << format.mBytesPerFrame << " bytes/frame";
return out;
}
std::ostream& operator<<(std::ostream& out, const AudioChannelLayout *layout)
{
if(nullptr == layout) {
out << "(null)";
return out;
}
if(kAudioChannelLayoutTag_UseChannelBitmap == layout->mChannelLayoutTag)
out << "Channel bitmap: 0x" << std::hex << std::setw(8) << std::setfill('0') << layout->mChannelBitmap << std::dec;
else if(kAudioChannelLayoutTag_UseChannelDescriptions == layout->mChannelLayoutTag){
out << layout->mNumberChannelDescriptions << " channel descriptions: " << std::endl;
const AudioChannelDescription *desc = layout->mChannelDescriptions;
for(UInt32 i = 0; i < layout->mNumberChannelDescriptions; ++i, ++desc) {
if(kAudioChannelLabel_UseCoordinates == desc->mChannelLabel)
out << "\t" << i << ". Coordinates = (" << desc->mCoordinates[0] << ", " << desc->mCoordinates[1] << ", " << desc->mCoordinates[2] << "), flags = 0x" << std::hex << std::setw(8) << std::setfill('0') << desc->mChannelFlags << std::dec;
else
out << "\t" << i << ". Label = " << GetChannelLabelName(desc->mChannelLabel) << " (0x" << std::hex << std::setw(8) << std::setfill('0') << desc->mChannelLabel << std::dec << ")";
if(i < layout->mNumberChannelDescriptions - 1)
out << std::endl;
}
}
else
out << GetChannelLayoutTagName(layout->mChannelLayoutTag) << " (0x" << std::hex << std::setw(8) << std::setfill('0') << layout->mChannelLayoutTag << std::dec << ")";
return out;
}