[nihav.git] / nihav-registry / src / register.rs

//! Global registry of codec information.
//!
//! This module contains codec information from technical level that allows user to retrieve information about codec type and features without creating and invoking a decoder for such codec.
use std::fmt;

/// Codec types.
#[derive(Debug,Clone,Copy,PartialEq)]
#[allow(dead_code)]
pub enum CodecType {
    /// Video codec.
    Video,
    /// Audio codec.
    Audio,
    /// Subtitle codec.
    Subtitles,
    /// Some special codec (e.g. some event stream or separate timecodes stream).
    Data,
    /// Dummy codec.
    None,
}

impl fmt::Display for CodecType {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match *self {
            CodecType::Video => write!(f, "Video"),
            CodecType::Audio => write!(f, "Audio"),
            CodecType::Subtitles => write!(f, "Subtitles"),
            CodecType::Data => write!(f, "Data"),
            CodecType::None => write!(f, "-"),
        }
    }
}

/// Codec capability flag for intra-only codecs.
pub const CODEC_CAP_INTRAONLY:u32   = 0x0001;
/// Codec capability flag for lossless codecs.
pub const CODEC_CAP_LOSSLESS:u32    = 0x0002;
/// Codec capability flag for codecs with frame reordering.
pub const CODEC_CAP_REORDER:u32     = 0x0004;
/// Codec capability flag for codecs that can be both lossy and lossless.
pub const CODEC_CAP_HYBRID:u32      = 0x0008;
/// Codec capability flag for codecs with scalability features.
pub const CODEC_CAP_SCALABLE:u32    = 0x0010;

/// Codec description structure.
#[derive(Clone)]
pub struct CodecDescription {
    /// Short codec name.
    ///
    /// Short codec name is used inside NihAV as the unique identifier.
    pub name:  &'static str,
    /// Full codec name.
    pub fname: &'static str,
    /// Codec type.
    pub ctype: CodecType,
    /// Codec capabilities.
    pub caps:  u32,
}

impl CodecDescription {
    /// Returns short codec name.
    pub fn get_name(&self) -> &'static str { self.name }
    /// Returns full codec name.
    pub fn get_full_name(&self) -> &'static str { self.fname }
    /// Returns codec type.
    pub fn get_codec_type(&self) -> CodecType { self.ctype }
    /// Reports whether the codec has only intra frames or not.
    pub fn is_intraonly(&self) -> bool { (self.caps & CODEC_CAP_INTRAONLY) != 0 }
    /// Reports whether the codec is lossless.
    pub fn is_lossless(&self)  -> bool { (self.caps & CODEC_CAP_LOSSLESS)  != 0 }
    /// Reports whether the codec requires frame reordering.
    pub fn has_reorder(&self)  -> bool { (self.caps & CODEC_CAP_REORDER)   != 0 }
    /// Reports whether the codec can be either lossless or lossy.
    pub fn is_hybrid(&self)    -> bool { (self.caps & CODEC_CAP_HYBRID)    != 0 }
    /// Reports whether codec supports scalability.
    ///
    /// Scalability means that codec can be decoded in reduced resolution by design.
    pub fn is_scalable(&self)  -> bool { (self.caps & CODEC_CAP_SCALABLE)  != 0 }
}

impl fmt::Display for CodecDescription {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let mut out = self.fname.to_string();
        if self.caps != 0 {
            let mut capfmt = "".to_string();
            if (self.caps & CODEC_CAP_INTRAONLY) != 0 {
                capfmt = format!("{} Intra-only", capfmt);
            }
            if (self.caps & CODEC_CAP_LOSSLESS) != 0 {
                capfmt = format!("{} Lossless", capfmt);
            }
            if (self.caps & CODEC_CAP_REORDER) != 0 {
                capfmt = format!("{} Frame reorder", capfmt);
            }
            if (self.caps & CODEC_CAP_HYBRID) != 0 {
                capfmt = format!("{} Can be lossy and lossless", capfmt);
            }
            if (self.caps & CODEC_CAP_SCALABLE) != 0 {
                capfmt = format!("{} Scalable", capfmt);
            }
            out = format!("{} ({})", out, capfmt);
        }
        write!(f, "{}", out)
    }
}

macro_rules! desc {
    (video; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
                          caps: 0 }
    });
    (video; $n:expr, $fn:expr, $c:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
                          caps: $c }
    });
    (video-ll; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
                          caps: CODEC_CAP_LOSSLESS | CODEC_CAP_INTRAONLY }
    });
    (video-llp; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
                          caps: CODEC_CAP_LOSSLESS }
    });
    (video-im; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
                          caps: CODEC_CAP_INTRAONLY }
    });
    (video-modern; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
                          caps: CODEC_CAP_REORDER | CODEC_CAP_HYBRID }
    });
    (audio; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
                          caps: 0 }
    });
    (audio-ll; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
                          caps: CODEC_CAP_LOSSLESS | CODEC_CAP_INTRAONLY }
    });
    (audio-hyb; $n:expr, $fn:expr) => ({
        CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
                          caps: CODEC_CAP_HYBRID }
    });
}

/// Returns codec description for the provided codec short name if it is found.
pub fn get_codec_description(name: &str) -> Option<&'static CodecDescription> {
    for reg in CODEC_REGISTER {
        if reg.name == name {
            return Some(reg);
        }
    }
    None
}

static CODEC_REGISTER: &'static [CodecDescription] = &[
    desc!(audio-ll; "pcm", "PCM"),
    desc!(audio;    "alaw", "A-law PCM"),
    desc!(audio;    "ulaw", "mu-law PCM"),

    desc!(video-im; "indeo1", "Intel Raw IF09"),
    desc!(video-im; "indeo2", "Intel Indeo 2"),
    desc!(video;    "indeo3", "Intel Indeo 3"),
    desc!(video;    "indeo4", "Intel Indeo 4", CODEC_CAP_REORDER | CODEC_CAP_SCALABLE),
    desc!(video;    "indeo5", "Intel Indeo 5", CODEC_CAP_REORDER | CODEC_CAP_SCALABLE),
    desc!(video;    "intel263", "Intel I263", CODEC_CAP_REORDER),
    desc!(audio;    "iac",    "Intel Indeo audio"),
    desc!(audio;    "imc",    "Intel Music Coder"),

    desc!(video;    "realvideo1", "Real Video 1"),
    desc!(video;    "realvideo2", "Real Video 2", CODEC_CAP_REORDER),
    desc!(video;    "realvideo3", "Real Video 3", CODEC_CAP_REORDER),
    desc!(video;    "realvideo4", "Real Video 4", CODEC_CAP_REORDER),
    desc!(video;    "realvideo6", "Real Video 6", CODEC_CAP_REORDER),
    desc!(video;    "clearvideo", "ClearVideo"),
    desc!(video;    "clearvideo_rm", "ClearVideo"),
    desc!(audio;    "ra14.4",     "RealAudio 14.4"),
    desc!(audio;    "ra28.8",     "RealAudio 28.8"),
    desc!(audio;    "cook",       "RealAudio Cooker"),
    desc!(audio;    "ralf",       "RealAudio Lossless"),
    desc!(audio;    "aac",        "AAC"),
    desc!(audio;    "ac3",        "ETSI TS 102 366"),
    desc!(audio;    "atrac3",     "Sony Atrac3"),
    desc!(audio;    "sipro",      "Sipro Labs ADPCM"),

    desc!(video;    "cinepak",    "Cinepak"),

    desc!(video;    "msvideo1",      "MS Video 1"),
    desc!(video;    "msrle",         "MS RLE"),
    desc!(audio;    "ms-adpcm",      "MS ADPCM"),
    desc!(audio;    "ima-adpcm-ms",  "IMA ADPCM (MS variant)"),

    desc!(video;    "qt-smc",               "Apple Graphics"),
    desc!(video;    "qt-rle",               "Apple Animation"),
    desc!(video;    "apple-video",          "Apple video"),
    desc!(video;    "sorenson-video",       "Sorenson Video"),
    desc!(video;    "sorenson-video3",      "Sorenson Video 3", CODEC_CAP_REORDER),
    desc!(audio;    "mace-3",               "MACE 3:1"),
    desc!(audio;    "mace-6",               "MACE 6:1"),
    desc!(audio;    "ima-adpcm-qt",         "IMA ADPCM (Apple variant)"),
    desc!(audio;    "qdesign-music",        "QDesign Music"),
    desc!(audio;    "qdesign-music2",       "QDesign Music v2"),
    desc!(audio;    "qualcomm-purevoice",   "Qualcomm PureVoice"),

    desc!(video;    "truemotion1",   "TrueMotion 1"),
    desc!(video-im; "truemotionrt",  "TrueMotion RT"),
    desc!(video;    "truemotion2",   "TrueMotion 2"),
    desc!(video;    "truemotion2x",  "TrueMotion 2X"),
    desc!(video;    "vp3",           "VP3"),
    desc!(video;    "vp4",           "VP4"),
    desc!(video;    "vp5",           "VP5"),
    desc!(video;    "vp6",           "VP6"),
    desc!(video;    "vp6a",          "VP6"),
    desc!(video;    "vp7",           "VP7"),
    desc!(video;    "vp8",           "VP8"),
    desc!(video;    "vp9",           "VP9"),
    desc!(audio;    "adpcm-dk3",     "Duck DK3 ADPCM"),
    desc!(audio;    "adpcm-dk4",     "Duck DK4 ADPCM"),
    desc!(audio;    "on2avc-500",    "On2 AVC"),
    desc!(audio;    "on2avc-501",    "On2 AVC"),

    desc!(video;    "gdv-video",     "Gremlin Digital Video - video"),
    desc!(audio;    "gdv-audio",     "Gremlin Digital Video - audio"),
    desc!(video;    "bmv-video",     "BMV video"),
    desc!(audio;    "bmv-audio",     "BMV audio"),
    desc!(video;    "bmv3-video",    "DW Noir BMV video"),
    desc!(audio;    "bmv3-audio",    "DW Noir BMV audio"),
    desc!(video;    "midivid",       "MidiVid"),
    desc!(video;    "midivid3",      "MidiVid 3"),
    desc!(video-ll; "midivid-ll",    "MidiVid Lossless"),
    desc!(video;    "vmd-video",     "VMD video"),
    desc!(audio;    "vmd-audio",     "VMD audio"),
    desc!(video;    "vxvideo",       "Actimagine Vx"),
    desc!(audio;    "vxaudio",       "Actimagine Sx"),

    desc!(video;    "smacker-video", "Smacker video"),
    desc!(audio;    "smacker-audio", "Smacker audio"),
    desc!(video;    "bink-video",    "Bink video"),
    desc!(video;    "bink2-video",   "Bink2 video"),
    desc!(audio;    "bink-audio-dct",   "Bink audio (DCT)"),
    desc!(audio;    "bink-audio-rdft",  "Bink audio (RDFT)"),

    desc!(audio;    "lhst15f8",      "L&H StreamTalk 15kbps at 8 kHz"),
    desc!(audio;    "lhst250f11",    "L&H StreamTalk 25kbps at 11 kHz"),
    desc!(audio;    "lhst500f22",    "L&H StreamTalk 50kpbs at 22 kHz"),
    desc!(audio;    "lhst48",        "L&H StreamTalk CELP Codec 4.8kbps at 8 kHz"),

    desc!(video;    "vivo1",         "VivoActive Video 1.0"),
    desc!(video;    "vivo2",         "VivoActive Video 2.0", CODEC_CAP_REORDER),
    desc!(audio;    "g723.1",        "ITU G.723.1"),
    desc!(audio;    "siren",         "Polycom Siren"),

    desc!(audio-ll;  "ape",          "Monkey's Audio"),
    desc!(audio-ll;  "flac",         "Free Lossless Audio Codec"),
    desc!(audio-ll;  "tta",          "True Audio codec"),
    desc!(audio-hyb; "wavpack",      "WavPack"),
];

static AVI_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
    (&[1, 0, 0, 0], "msrle"),
    (&[2, 0, 0, 0], "msrle"),

    (b"CRAM", "msvideo1"),
    (b"MSVC", "msvideo1"),
    (b"WHAM", "msvideo1"),

    (b"IF09", "indeo1"),
    (b"RT21", "indeo2"),
    (b"IV31", "indeo3"),
    (b"IV32", "indeo3"),
    (b"IV41", "indeo4"),
    (b"IV50", "indeo5"),
    (b"I263", "intel263"),

    (b"UCOD", "clearvideo"),
    (b"cvid", "cinepak"),

    (b"MVDV", "midivid"),
    (b"MV30", "midivid3"),
    (b"MVLZ", "midivid-ll"),

    (b"DUCK", "truemotion1"),
    (b"TR20", "truemotionrt"),
    (b"TM20", "truemotion2"),
    (b"TM2A", "truemotion2x"),
    (b"TM2X", "truemotion2x"),
    (b"VP30", "vp3"),
    (b"VP31", "vp3"),
    (b"VP40", "vp4"),
    (b"VP50", "vp5"),
    (b"VP60", "vp6"),
    (b"VP61", "vp6"),
    (b"VP62", "vp6"),
    (b"VP6A", "vp6a"),
    (b"VP70", "vp7"),
];

static WAV_CODEC_REGISTER: &'static [(u16, &str)] = &[
    (0x0000, "unknown"),
    (0x0001, "pcm"),
    (0x0002, "ms-adpcm"),
    (0x0003, "pcm"),
    (0x0011, "ima-adpcm-ms"),
    (0x0061, "adpcm-dk4"),
    (0x0062, "adpcm-dk3"),
    (0x0401, "imc"),
    (0x0402, "iac"),
    (0x0500, "on2avc-500"),
    (0x0501, "on2avc-501"),
];

static MOV_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
    (b"cvid", "cinepak"),
    (b"jpeg", "jpeg"),
    //(b"raw ", "raw"),
    //(b"Yuv2", "raw"),
    (b"smc ", "qt-smc"),
    (b"rle ", "qt-rle"),
    (b"rpza", "apple-video"),
    (b"kpcd", "kodak-photocd"),
    //(b"mpeg", "mpeg-video"),
    (b"mjpa", "mjpeg-a"),
    (b"mjpb", "mjpeg-b"),
    (b"svqi", "sorenson-video"),
    (b"SVQ1", "sorenson-video"),
    (b"svq3", "sorenson-video3"),
    (b"SVQ3", "sorenson-video3"),

    (b"IV31", "indeo3"),
    (b"IV32", "indeo3"),

    (b"UCOD", "clearvideo"),

    (b"VP30", "vp3"),
    (b"VP31", "vp3"),
];

static MOV_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
    (b"NONE", "pcm"),
    (b"raw ", "pcm"),
    (b"twos", "pcm"),
    (b"sowt", "pcm"),
    (b"fl32", "pcm"),
    (b"fl64", "pcm"),
    (b"in24", "pcm"),
    (b"in32", "pcm"),
    (b"MAC3", "mace-3"),
    (b"MAC6", "mace-6"),
    (b"ima4", "ima-adpcm-qt"),
    (b"ulaw", "ulaw"),
    (b"alaw", "alaw"),
    (b"dvca", "dv-audio"),
    (b"QDMC", "qdesign-music"),
    (b"QDM2", "qdesign-music2"),
    (b"Qclp", "qualcomm-purevoice"),
    //(b".mp3", "mpeg-layer3"),
];

/// Returns video codec short name for provided FOURCC (used in AVI format).
pub fn find_codec_from_avi_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
    for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
        if *fourcc == fcc { return Some(name); }
    }
    None
}

/// Returns FOURCC (used in AVI format) for provided codec name.
pub fn find_avi_fourcc(codecname: &str) -> Option<[u8; 4]> {
    for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
        if *name == codecname { return Some(**fourcc); }
    }
    None
}

/// Returns known audio codec short name for provided TWOCC (used in WAV and AVI format).
pub fn find_codec_from_wav_twocc(tcc: u16) -> Option<&'static str> {
    for (twocc, name) in WAV_CODEC_REGISTER.iter() {
        if *twocc == tcc { return Some(name); }
    }
    None
}

/// Returns TWOCC (used in WAV and AVI format for provided codec name.
pub fn find_wav_twocc(codecname: &str) -> Option<u16> {
    for (twocc, name) in WAV_CODEC_REGISTER.iter() {
        if *name == codecname { return Some(*twocc); }
    }
    None
}

/// Returns video codec short name for provided FOURCC (used in MOV format).
pub fn find_codec_from_mov_video_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
    for (fourcc, name) in MOV_VIDEO_CODEC_REGISTER.iter() {
        if *fourcc == fcc { return Some(name); }
    }
    None
}

/// Returns known audio codec short name for provided FOURCC (used in MOV format).
pub fn find_codec_from_mov_audio_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
    for (fourcc, name) in MOV_AUDIO_CODEC_REGISTER.iter() {
        if *fourcc == fcc { return Some(name); }
    }
    None
}

#[cfg(test)]
mod test {
    use super::*;

    #[test]
    fn test_register() {
        let c1 = find_codec_from_avi_fourcc(b"IV41").unwrap();
        let c2 = find_codec_from_wav_twocc(0x401).unwrap();
        println!("found {} and {}", c1, c2);
        let cd1 = get_codec_description(c1).unwrap();
        let cd2 = get_codec_description(c2).unwrap();
        println!("got {} and {}", cd1, cd2);
    }
}
Commit	Line	Data
285f4c72 KS	1	//! Global registry of codec information.
	2	//!
	3	//! This module contains codec information from technical level that allows user to retrieve information about codec type and features without creating and invoking a decoder for such codec.
d48ee414 KS	4	use std::fmt;
d48ee414 KS	5
285f4c72	6	/// Codec types.
34829caa	7	#[derive(Debug,Clone,Copy,PartialEq)]
d48ee414 KS	8	#[allow(dead_code)]
d48ee414 KS	9	pub enum CodecType {
285f4c72	10	/// Video codec.
d48ee414	11	Video,
285f4c72	12	/// Audio codec.
d48ee414	13	Audio,
285f4c72	14	/// Subtitle codec.
d48ee414	15	Subtitles,
285f4c72	16	/// Some special codec (e.g. some event stream or separate timecodes stream).
d48ee414	17	Data,
285f4c72	18	/// Dummy codec.
d48ee414 KS	19	None,
	20	}
	21
	22	impl fmt::Display for CodecType {
	23	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
	24	match *self {
	25	CodecType::Video => write!(f, "Video"),
	26	CodecType::Audio => write!(f, "Audio"),
	27	CodecType::Subtitles => write!(f, "Subtitles"),
	28	CodecType::Data => write!(f, "Data"),
	29	CodecType::None => write!(f, "-"),
	30	}
	31	}
	32	}
	33
2793026b KS	34	/// Codec capability flag for intra-only codecs.
	35	pub const CODEC_CAP_INTRAONLY:u32 = 0x0001;
	36	/// Codec capability flag for lossless codecs.
	37	pub const CODEC_CAP_LOSSLESS:u32 = 0x0002;
	38	/// Codec capability flag for codecs with frame reordering.
	39	pub const CODEC_CAP_REORDER:u32 = 0x0004;
	40	/// Codec capability flag for codecs that can be both lossy and lossless.
	41	pub const CODEC_CAP_HYBRID:u32 = 0x0008;
	42	/// Codec capability flag for codecs with scalability features.
	43	pub const CODEC_CAP_SCALABLE:u32 = 0x0010;
d48ee414	44
285f4c72	45	/// Codec description structure.
34829caa	46	#[derive(Clone)]
d48ee414	47	pub struct CodecDescription {
285f4c72 KS	48	/// Short codec name.
	49	///
	50	/// Short codec name is used inside NihAV as the unique identifier.
5641dccf	51	pub name: &'static str,
285f4c72	52	/// Full codec name.
5641dccf	53	pub fname: &'static str,
285f4c72	54	/// Codec type.
5641dccf	55	pub ctype: CodecType,
285f4c72	56	/// Codec capabilities.
5641dccf	57	pub caps: u32,
d48ee414 KS	58	}
	59
	60	impl CodecDescription {
285f4c72	61	/// Returns short codec name.
d48ee414	62	pub fn get_name(&self) -> &'static str { self.name }
285f4c72	63	/// Returns full codec name.
d48ee414	64	pub fn get_full_name(&self) -> &'static str { self.fname }
285f4c72	65	/// Returns codec type.
d48ee414	66	pub fn get_codec_type(&self) -> CodecType { self.ctype }
285f4c72	67	/// Reports whether the codec has only intra frames or not.
d48ee414	68	pub fn is_intraonly(&self) -> bool { (self.caps & CODEC_CAP_INTRAONLY) != 0 }
285f4c72	69	/// Reports whether the codec is lossless.
d48ee414	70	pub fn is_lossless(&self) -> bool { (self.caps & CODEC_CAP_LOSSLESS) != 0 }
285f4c72	71	/// Reports whether the codec requires frame reordering.
d48ee414	72	pub fn has_reorder(&self) -> bool { (self.caps & CODEC_CAP_REORDER) != 0 }
285f4c72	73	/// Reports whether the codec can be either lossless or lossy.
d48ee414	74	pub fn is_hybrid(&self) -> bool { (self.caps & CODEC_CAP_HYBRID) != 0 }
285f4c72 KS	75	/// Reports whether codec supports scalability.
	76	///
	77	/// Scalability means that codec can be decoded in reduced resolution by design.
d48ee414 KS	78	pub fn is_scalable(&self) -> bool { (self.caps & CODEC_CAP_SCALABLE) != 0 }
	79	}
	80
	81	impl fmt::Display for CodecDescription {
	82	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
e243ceb4	83	let mut out = self.fname.to_string();
d48ee414 KS	84	if self.caps != 0 {
	85	let mut capfmt = "".to_string();
	86	if (self.caps & CODEC_CAP_INTRAONLY) != 0 {
	87	capfmt = format!("{} Intra-only", capfmt);
	88	}
	89	if (self.caps & CODEC_CAP_LOSSLESS) != 0 {
	90	capfmt = format!("{} Lossless", capfmt);
	91	}
	92	if (self.caps & CODEC_CAP_REORDER) != 0 {
	93	capfmt = format!("{} Frame reorder", capfmt);
	94	}
	95	if (self.caps & CODEC_CAP_HYBRID) != 0 {
	96	capfmt = format!("{} Can be lossy and lossless", capfmt);
	97	}
	98	if (self.caps & CODEC_CAP_SCALABLE) != 0 {
	99	capfmt = format!("{} Scalable", capfmt);
	100	}
	101	out = format!("{} ({})", out, capfmt);
	102	}
	103	write!(f, "{}", out)
	104	}
	105	}
	106
	107	macro_rules! desc {
	108	(video; $n:expr, $fn:expr) => ({
	109	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	110	caps: 0 }
	111	});
	112	(video; $n:expr, $fn:expr, $c:expr) => ({
	113	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	114	caps: $c }
	115	});
	116	(video-ll; $n:expr, $fn:expr) => ({
	117	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	118	caps: CODEC_CAP_LOSSLESS \| CODEC_CAP_INTRAONLY }
	119	});
	120	(video-llp; $n:expr, $fn:expr) => ({
	121	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	122	caps: CODEC_CAP_LOSSLESS }
	123	});
	124	(video-im; $n:expr, $fn:expr) => ({
	125	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	126	caps: CODEC_CAP_INTRAONLY }
	127	});
	128	(video-modern; $n:expr, $fn:expr) => ({
	129	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	130	caps: CODEC_CAP_REORDER \| CODEC_CAP_HYBRID }
	131	});
	132	(audio; $n:expr, $fn:expr) => ({
	133	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
	134	caps: 0 }
	135	});
	136	(audio-ll; $n:expr, $fn:expr) => ({
	137	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
	138	caps: CODEC_CAP_LOSSLESS \| CODEC_CAP_INTRAONLY }
	139	});
87927c57 KS	140	(audio-hyb; $n:expr, $fn:expr) => ({
	141	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
	142	caps: CODEC_CAP_HYBRID }
	143	});
d48ee414 KS	144	}
d48ee414 KS	145
285f4c72	146	/// Returns codec description for the provided codec short name if it is found.
d48ee414	147	pub fn get_codec_description(name: &str) -> Option<&'static CodecDescription> {
34829caa KS	148	for reg in CODEC_REGISTER {
	149	if reg.name == name {
	150	return Some(reg);
d48ee414 KS	151	}
	152	}
	153	None
	154	}
	155
	156	static CODEC_REGISTER: &'static [CodecDescription] = &[
e8e022f4	157	desc!(audio-ll; "pcm", "PCM"),
3d5fb08f KS	158	desc!(audio; "alaw", "A-law PCM"),
3d5fb08f KS	159	desc!(audio; "ulaw", "mu-law PCM"),
e8e022f4	160
45e794c4 KS	161	desc!(video-im; "indeo1", "Intel Raw IF09"),
	162	desc!(video-im; "indeo2", "Intel Indeo 2"),
	163	desc!(video; "indeo3", "Intel Indeo 3"),
	164	desc!(video; "indeo4", "Intel Indeo 4", CODEC_CAP_REORDER \| CODEC_CAP_SCALABLE),
	165	desc!(video; "indeo5", "Intel Indeo 5", CODEC_CAP_REORDER \| CODEC_CAP_SCALABLE),
1a36a05d	166	desc!(video; "intel263", "Intel I263", CODEC_CAP_REORDER),
45e794c4 KS	167	desc!(audio; "iac", "Intel Indeo audio"),
45e794c4 KS	168	desc!(audio; "imc", "Intel Music Coder"),
ce52b3b5 KS	169
ce52b3b5 KS	170	desc!(video; "realvideo1", "Real Video 1"),
6b2cdc84	171	desc!(video; "realvideo2", "Real Video 2", CODEC_CAP_REORDER),
ce52b3b5 KS	172	desc!(video; "realvideo3", "Real Video 3", CODEC_CAP_REORDER),
ce52b3b5 KS	173	desc!(video; "realvideo4", "Real Video 4", CODEC_CAP_REORDER),
0b791d5c	174	desc!(video; "realvideo6", "Real Video 6", CODEC_CAP_REORDER),
ce52b3b5	175	desc!(video; "clearvideo", "ClearVideo"),
750b299c	176	desc!(video; "clearvideo_rm", "ClearVideo"),
ce52b3b5 KS	177	desc!(audio; "ra14.4", "RealAudio 14.4"),
	178	desc!(audio; "ra28.8", "RealAudio 28.8"),
	179	desc!(audio; "cook", "RealAudio Cooker"),
	180	desc!(audio; "ralf", "RealAudio Lossless"),
	181	desc!(audio; "aac", "AAC"),
16dd4f44	182	desc!(audio; "ac3", "ETSI TS 102 366"),
ce52b3b5 KS	183	desc!(audio; "atrac3", "Sony Atrac3"),
ce52b3b5 KS	184	desc!(audio; "sipro", "Sipro Labs ADPCM"),
e8e022f4	185
57777a0a KS	186	desc!(video; "cinepak", "Cinepak"),
57777a0a KS	187
4abcd842	188	desc!(video; "msvideo1", "MS Video 1"),
03c406ea	189	desc!(video; "msrle", "MS RLE"),
4abcd842 KS	190	desc!(audio; "ms-adpcm", "MS ADPCM"),
	191	desc!(audio; "ima-adpcm-ms", "IMA ADPCM (MS variant)"),
	192
3d5fb08f KS	193	desc!(video; "qt-smc", "Apple Graphics"),
	194	desc!(video; "qt-rle", "Apple Animation"),
	195	desc!(video; "apple-video", "Apple video"),
	196	desc!(video; "sorenson-video", "Sorenson Video"),
8251c0ab	197	desc!(video; "sorenson-video3", "Sorenson Video 3", CODEC_CAP_REORDER),
3d5fb08f KS	198	desc!(audio; "mace-3", "MACE 3:1"),
	199	desc!(audio; "mace-6", "MACE 6:1"),
	200	desc!(audio; "ima-adpcm-qt", "IMA ADPCM (Apple variant)"),
	201	desc!(audio; "qdesign-music", "QDesign Music"),
	202	desc!(audio; "qdesign-music2", "QDesign Music v2"),
	203	desc!(audio; "qualcomm-purevoice", "Qualcomm PureVoice"),
	204
d24468d9 KS	205	desc!(video; "truemotion1", "TrueMotion 1"),
	206	desc!(video-im; "truemotionrt", "TrueMotion RT"),
	207	desc!(video; "truemotion2", "TrueMotion 2"),
e8e022f4 KS	208	desc!(video; "truemotion2x", "TrueMotion 2X"),
	209	desc!(video; "vp3", "VP3"),
	210	desc!(video; "vp4", "VP4"),
	211	desc!(video; "vp5", "VP5"),
	212	desc!(video; "vp6", "VP6"),
629a1025	213	desc!(video; "vp6a", "VP6"),
e8e022f4 KS	214	desc!(video; "vp7", "VP7"),
	215	desc!(video; "vp8", "VP8"),
	216	desc!(video; "vp9", "VP9"),
	217	desc!(audio; "adpcm-dk3", "Duck DK3 ADPCM"),
	218	desc!(audio; "adpcm-dk4", "Duck DK4 ADPCM"),
629a1025 KS	219	desc!(audio; "on2avc-500", "On2 AVC"),
629a1025 KS	220	desc!(audio; "on2avc-501", "On2 AVC"),
e8e022f4 KS	221
	222	desc!(video; "gdv-video", "Gremlin Digital Video - video"),
	223	desc!(audio; "gdv-audio", "Gremlin Digital Video - audio"),
	224	desc!(video; "bmv-video", "BMV video"),
	225	desc!(audio; "bmv-audio", "BMV audio"),
ecda1cc1 KS	226	desc!(video; "bmv3-video", "DW Noir BMV video"),
ecda1cc1 KS	227	desc!(audio; "bmv3-audio", "DW Noir BMV audio"),
801bba83 KS	228	desc!(video; "midivid", "MidiVid"),
	229	desc!(video; "midivid3", "MidiVid 3"),
	230	desc!(video-ll; "midivid-ll", "MidiVid Lossless"),
9895bd7b KS	231	desc!(video; "vmd-video", "VMD video"),
9895bd7b KS	232	desc!(audio; "vmd-audio", "VMD audio"),
55d85231 KS	233	desc!(video; "vxvideo", "Actimagine Vx"),
55d85231 KS	234	desc!(audio; "vxaudio", "Actimagine Sx"),
e8e022f4 KS	235
	236	desc!(video; "smacker-video", "Smacker video"),
	237	desc!(audio; "smacker-audio", "Smacker audio"),
	238	desc!(video; "bink-video", "Bink video"),
	239	desc!(video; "bink2-video", "Bink2 video"),
	240	desc!(audio; "bink-audio-dct", "Bink audio (DCT)"),
	241	desc!(audio; "bink-audio-rdft", "Bink audio (RDFT)"),
ed374345 KS	242
	243	desc!(audio; "lhst15f8", "L&H StreamTalk 15kbps at 8 kHz"),
	244	desc!(audio; "lhst250f11", "L&H StreamTalk 25kbps at 11 kHz"),
	245	desc!(audio; "lhst500f22", "L&H StreamTalk 50kpbs at 22 kHz"),
	246	desc!(audio; "lhst48", "L&H StreamTalk CELP Codec 4.8kbps at 8 kHz"),
31cf33ac KS	247
	248	desc!(video; "vivo1", "VivoActive Video 1.0"),
	249	desc!(video; "vivo2", "VivoActive Video 2.0", CODEC_CAP_REORDER),
	250	desc!(audio; "g723.1", "ITU G.723.1"),
	251	desc!(audio; "siren", "Polycom Siren"),
87927c57 KS	252
	253	desc!(audio-ll; "ape", "Monkey's Audio"),
	254	desc!(audio-ll; "flac", "Free Lossless Audio Codec"),
	255	desc!(audio-ll; "tta", "True Audio codec"),
	256	desc!(audio-hyb; "wavpack", "WavPack"),
d48ee414 KS	257	];
	258
	259	static AVI_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
423005dc KS	260	(&[1, 0, 0, 0], "msrle"),
	261	(&[2, 0, 0, 0], "msrle"),
	262
4abcd842 KS	263	(b"CRAM", "msvideo1"),
	264	(b"MSVC", "msvideo1"),
	265	(b"WHAM", "msvideo1"),
	266
45e794c4 KS	267	(b"IF09", "indeo1"),
	268	(b"RT21", "indeo2"),
	269	(b"IV31", "indeo3"),
	270	(b"IV32", "indeo3"),
	271	(b"IV41", "indeo4"),
	272	(b"IV50", "indeo5"),
836bf150	273	(b"I263", "intel263"),
ce52b3b5	274
750b299c	275	(b"UCOD", "clearvideo"),
57777a0a	276	(b"cvid", "cinepak"),
b2d656d0	277
801bba83 KS	278	(b"MVDV", "midivid"),
	279	(b"MV30", "midivid3"),
	280	(b"MVLZ", "midivid-ll"),
	281
b2d656d0 KS	282	(b"DUCK", "truemotion1"),
	283	(b"TR20", "truemotionrt"),
	284	(b"TM20", "truemotion2"),
	285	(b"TM2A", "truemotion2x"),
	286	(b"TM2X", "truemotion2x"),
40e95291 KS	287	(b"VP30", "vp3"),
	288	(b"VP31", "vp3"),
	289	(b"VP40", "vp4"),
	290	(b"VP50", "vp5"),
	291	(b"VP60", "vp6"),
	292	(b"VP61", "vp6"),
	293	(b"VP62", "vp6"),
1bf8e0fc	294	(b"VP6A", "vp6a"),
40e95291	295	(b"VP70", "vp7"),
d48ee414 KS	296	];
	297
	298	static WAV_CODEC_REGISTER: &'static [(u16, &str)] = &[
9d9c811b	299	(0x0000, "unknown"),
45e794c4	300	(0x0001, "pcm"),
4abcd842	301	(0x0002, "ms-adpcm"),
45e794c4	302	(0x0003, "pcm"),
4abcd842	303	(0x0011, "ima-adpcm-ms"),
fadee95f KS	304	(0x0061, "adpcm-dk4"),
fadee95f KS	305	(0x0062, "adpcm-dk3"),
45e794c4 KS	306	(0x0401, "imc"),
45e794c4 KS	307	(0x0402, "iac"),
a38be6e4 KS	308	(0x0500, "on2avc-500"),
a38be6e4 KS	309	(0x0501, "on2avc-501"),
d48ee414 KS	310	];
d48ee414 KS	311
646f4c43 KS	312	static MOV_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
	313	(b"cvid", "cinepak"),
	314	(b"jpeg", "jpeg"),
	315	//(b"raw ", "raw"),
	316	//(b"Yuv2", "raw"),
	317	(b"smc ", "qt-smc"),
	318	(b"rle ", "qt-rle"),
	319	(b"rpza", "apple-video"),
	320	(b"kpcd", "kodak-photocd"),
	321	//(b"mpeg", "mpeg-video"),
	322	(b"mjpa", "mjpeg-a"),
	323	(b"mjpb", "mjpeg-b"),
	324	(b"svqi", "sorenson-video"),
b2689495	325	(b"SVQ1", "sorenson-video"),
3d5fb08f	326	(b"svq3", "sorenson-video3"),
b2689495	327	(b"SVQ3", "sorenson-video3"),
646f4c43 KS	328
	329	(b"IV31", "indeo3"),
	330	(b"IV32", "indeo3"),
	331
	332	(b"UCOD", "clearvideo"),
	333
	334	(b"VP30", "vp3"),
	335	(b"VP31", "vp3"),
	336	];
	337
	338	static MOV_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
	339	(b"NONE", "pcm"),
	340	(b"raw ", "pcm"),
	341	(b"twos", "pcm"),
	342	(b"sowt", "pcm"),
	343	(b"fl32", "pcm"),
	344	(b"fl64", "pcm"),
	345	(b"in24", "pcm"),
	346	(b"in32", "pcm"),
	347	(b"MAC3", "mace-3"),
	348	(b"MAC6", "mace-6"),
	349	(b"ima4", "ima-adpcm-qt"),
	350	(b"ulaw", "ulaw"),
	351	(b"alaw", "alaw"),
	352	(b"dvca", "dv-audio"),
	353	(b"QDMC", "qdesign-music"),
	354	(b"QDM2", "qdesign-music2"),
	355	(b"Qclp", "qualcomm-purevoice"),
	356	//(b".mp3", "mpeg-layer3"),
	357	];
	358
285f4c72	359	/// Returns video codec short name for provided FOURCC (used in AVI format).
d48ee414	360	pub fn find_codec_from_avi_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
e243ceb4 KS	361	for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
e243ceb4 KS	362	if *fourcc == fcc { return Some(name); }
d48ee414 KS	363	}
	364	None
	365	}
	366
9a3ce86c KS	367	/// Returns FOURCC (used in AVI format) for provided codec name.
	368	pub fn find_avi_fourcc(codecname: &str) -> Option<[u8; 4]> {
	369	for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
	370	if name == codecname { return Some(*fourcc); }
	371	}
	372	None
	373	}
	374
285f4c72	375	/// Returns known audio codec short name for provided TWOCC (used in WAV and AVI format).
d48ee414	376	pub fn find_codec_from_wav_twocc(tcc: u16) -> Option<&'static str> {
e243ceb4 KS	377	for (twocc, name) in WAV_CODEC_REGISTER.iter() {
e243ceb4 KS	378	if *twocc == tcc { return Some(name); }
d48ee414 KS	379	}
	380	None
	381	}
	382
9a3ce86c KS	383	/// Returns TWOCC (used in WAV and AVI format for provided codec name.
	384	pub fn find_wav_twocc(codecname: &str) -> Option<u16> {
	385	for (twocc, name) in WAV_CODEC_REGISTER.iter() {
	386	if name == codecname { return Some(twocc); }
	387	}
	388	None
	389	}
	390
646f4c43 KS	391	/// Returns video codec short name for provided FOURCC (used in MOV format).
	392	pub fn find_codec_from_mov_video_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
	393	for (fourcc, name) in MOV_VIDEO_CODEC_REGISTER.iter() {
	394	if *fourcc == fcc { return Some(name); }
	395	}
	396	None
	397	}
	398
	399	/// Returns known audio codec short name for provided FOURCC (used in MOV format).
	400	pub fn find_codec_from_mov_audio_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
	401	for (fourcc, name) in MOV_AUDIO_CODEC_REGISTER.iter() {
	402	if *fourcc == fcc { return Some(name); }
	403	}
	404	None
	405	}
	406
d48ee414 KS	407	#[cfg(test)]
	408	mod test {
	409	use super::*;
	410
	411	#[test]
	412	fn test_register() {
	413	let c1 = find_codec_from_avi_fourcc(b"IV41").unwrap();
	414	let c2 = find_codec_from_wav_twocc(0x401).unwrap();
	415	println!("found {} and {}", c1, c2);
	416	let cd1 = get_codec_description(c1).unwrap();
	417	let cd2 = get_codec_description(c2).unwrap();
	418	println!("got {} and {}", cd1, cd2);
	419	}
b58d7656	420	}