[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, "-"),
        }
    }
}

const CODEC_CAP_INTRAONLY:u32   = 0x0001;
const CODEC_CAP_LOSSLESS:u32    = 0x0002;
const CODEC_CAP_REORDER:u32     = 0x0004;
const CODEC_CAP_HYBRID:u32      = 0x0008;
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 }
    });
}

/// 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!(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!(audio;    "ms-adpcm",      "MS ADPCM"),
    desc!(audio;    "ima-adpcm-ms",  "IMA ADPCM (MS variant)"),

    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;    "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"),
];

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