media format: Add method for short abbreviation
The current abbreviation is still a little bit too verbose for some use cases.
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cb46cac637
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152
mediaformat.cpp
152
mediaformat.cpp
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@ -416,6 +416,158 @@ const char *MediaFormat::abbreviation() const
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}
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}
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/*!
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* \brief Returns a short abbreviation of the media format as C-style string.
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*
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* Returns an empty string if no abbreviation is available.
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*/
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const char *MediaFormat::shortAbbreviation() const
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{
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switch(general) {
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case GeneralMediaFormat::Aac:
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switch(sub) {
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case AacMpeg2MainProfile:
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case AacMpeg4MainProfile: return "AAC-Main";
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case AacMpeg2LowComplexityProfile:
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case AacMpeg4LowComplexityProfile:
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case AacMpeg4ERLowComplecityProfile:
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switch(extension) {
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using namespace ExtensionFormats;
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case SpectralBandReplication:
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case ParametricStereo:
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case (SpectralBandReplication | ParametricStereo):
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return "HE-AAC";
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default:
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return "AAC-LC";
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}
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case AacMpeg4ERScalableSampingRateProfile: return "AAC-LC";
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case AacMpeg2ScalableSamplingRateProfile:
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case AacMpeg4ScalableSamplingRateProfile: return "AAC-SSR";
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case AacMpeg4LongTermPrediction:
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case AacMpeg4ERLongTermPrediction: return "AAC-LTP";
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case AacMpeg4ERLowDelay: return "AAC-LD";
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case AacMpeg4EREnhancedLowDelay: return "AAC-ELD";
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default: return "AAC";
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}
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case GeneralMediaFormat::Ac3: return "AC3";
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case GeneralMediaFormat::Ac4: return "AC4";
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case GeneralMediaFormat::AdpcmAcm: return "ADPCM-ACM";
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case GeneralMediaFormat::AfxStream: return "AFX";
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case GeneralMediaFormat::Alac: return "ALAC";
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case GeneralMediaFormat::Als: return "ALS";
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case GeneralMediaFormat::Amr: return "AMR";
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case GeneralMediaFormat::Avc: return "H.264";
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case GeneralMediaFormat::Bitmap: return "BMP";
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case GeneralMediaFormat::Dirac: return "Dirac";
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case GeneralMediaFormat::Dts:
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switch(sub) {
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case DtsLossless: return "DTS-Lossless";
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case DtsExpress: return "DTS-LBR";
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default: return "DTS";
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}
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case GeneralMediaFormat::DtsHd: return "DTS-HD";
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case GeneralMediaFormat::EAc3: return "E-AC-3";
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case GeneralMediaFormat::Evrc: return "EVRC";
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case GeneralMediaFormat::Flac: return "FLAC";
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case GeneralMediaFormat::FontDataStream: return "FDS";
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case GeneralMediaFormat::Gif: return "GIF";
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case GeneralMediaFormat::Gpp2Cmf: return "3GPP2-CMF";
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case GeneralMediaFormat::Hevc: return "H.265";
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case GeneralMediaFormat::ImaadpcmAcm: return "IMAADPCM-ACM";
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case GeneralMediaFormat::ImageSubtitle: return "BMP";
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case GeneralMediaFormat::Jpeg: return "JPEG";
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case GeneralMediaFormat::OggKate: return "OggKate";
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case GeneralMediaFormat::Opus: return "Opus";
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case GeneralMediaFormat::MicrosoftAudioCodecManager: return "MS-ACM";
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case GeneralMediaFormat::MicrosoftMpeg4: return "MS-MPEG-4";
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case GeneralMediaFormat::MicrosoftVideoCodecManager: return "MS-VCM";
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case GeneralMediaFormat::DolbyMlp: return "TrueHD";
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case GeneralMediaFormat::Mpeg1Audio:
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switch(sub) {
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case Mpeg1Layer1: return "MP1";
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case Mpeg1Layer2: return "MP2";
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default:
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// since MP3 is backward compatible, it is ok to use it also as fallback
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return "MP3";
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}
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case GeneralMediaFormat::Mpeg1Video: return "MP1";
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case GeneralMediaFormat::Mpeg2Audio:
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switch(sub) {
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case Mpeg1Layer1: return "MP1";
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case Mpeg1Layer2: return "MP2";
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default:
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// since MP3 is backward compatible, it is ok to use it also as fallback
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return "MP3";
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}
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case GeneralMediaFormat::Mpeg2Video:
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switch(sub) {
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case Mpeg2SimpleProfile: return "MPEG-2-SP";
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case Mpeg2MainProfile: return "MPEG-2-Main";
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case Mpeg2SnrProfile: return "MPEG-2-SNR";
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case Mpeg2SpatialProfile: return "MPEG-2-Spatial";
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case Mpeg2HighProfile: return "MPEG-2-High";
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case Mpeg2422Profile: return "MPEG-2-422";
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default: return "MPEG-2";
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}
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case GeneralMediaFormat::Mpeg4Video:
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switch(sub) {
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case Mpeg4SimpleProfile1:
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case Mpeg4SimpleProfile2:
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case Mpeg4SimpleProfile3:
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case Mpeg4SimpleProfile0:
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return "MPEG-4-SP";
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case Mpeg4AdvancedSimpleProfile0:
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case Mpeg4AdvancedSimpleProfile1:
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case Mpeg4AdvancedSimpleProfile2:
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case Mpeg4AdvancedSimpleProfile3:
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case Mpeg4AdvancedSimpleProfile4:
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case Mpeg4AdvancedSimpleProfile5:
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case Mpeg4AdvancedSimpleProfile3b:
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return "H.263";
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case Mpeg4AvcProfile:
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return "H.264";
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default: return "MPEG-4-Visual";
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}
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case GeneralMediaFormat::Mpc: return "MPC";
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case GeneralMediaFormat::Pcm: return "PCM";
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case GeneralMediaFormat::Png: return "PNG";
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case GeneralMediaFormat::ProRes: return "ProRes";
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case GeneralMediaFormat::Qcelp: return "QCELP";
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case GeneralMediaFormat::QuicktimeAudio: return "Qt-Audio";
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case GeneralMediaFormat::QuicktimeVideo: return "Qt-Video";
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case GeneralMediaFormat::RealAudio: return "Real-Audio";
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case GeneralMediaFormat::RealVideo: return "Real-Video";
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case GeneralMediaFormat::Sa0c: return "SAOC";
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case GeneralMediaFormat::Smv: return "SMV";
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case GeneralMediaFormat::Systems: return "Systems";
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case GeneralMediaFormat::TextSubtitle:
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switch(sub) {
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case SubFormats::PlainUtf8Subtitle: return "UTF-8";
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case SubFormats::SubStationAlpha: return "SSA";
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case SubFormats::AdvancedSubStationAlpha: return "ASS";
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case SubFormats::UniversalSubtitleFormat: return "USF";
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case SubFormats::WebVideoTextTracksFormat: return "WebVTT";
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default: return "";
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}
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case GeneralMediaFormat::Theora: return "Theora";
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case GeneralMediaFormat::Tiff: return "TIFF";
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case GeneralMediaFormat::TimedText: return "Timed-Text";
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case GeneralMediaFormat::Tta: return "TTA";
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case GeneralMediaFormat::UncompressedVideoFrames: return "RAW";
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case GeneralMediaFormat::Vc1: return "VC-1";
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case GeneralMediaFormat::VobBtn: return "VobBtn";
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case GeneralMediaFormat::VobSub: return "VobSub";
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case GeneralMediaFormat::Vorbis: return "Vorbis";
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case GeneralMediaFormat::Vp8: return "VP8";
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case GeneralMediaFormat::Vp9: return "VP9";
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case GeneralMediaFormat::WavPack: return "WavPack";
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case GeneralMediaFormat::WindowsMediaAudio: return "WMA";
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case GeneralMediaFormat::WindowsMediaVideo: return "WMV";
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case GeneralMediaFormat::DvbSub: return "DVBSUB";
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default: return "";
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}
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}
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/*!
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* \brief Returns the abbreviation of the media format as C-style string.
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*
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@ -261,6 +261,7 @@ public:
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const char *name() const;
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const char *abbreviation() const;
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const char *shortAbbreviation() const;
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const char *extensionName() const;
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operator bool() const;
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MediaFormat &operator+=(const MediaFormat &other);
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