[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 capability flag for codecs with complex frame reordering.
pub const CODEC_CAP_COMPLEX_REORDER:u32 = 0x0020;

/// 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"),

    desc!(video;    "h264",          "ITU H.264", CODEC_CAP_COMPLEX_REORDER | CODEC_CAP_HYBRID),
];

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"),

    (b"avc1", "h264"),
];

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"),

    (b"mp4a", "aac"),
];

/// 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;
8480761d KS	44	/// Codec capability flag for codecs with complex frame reordering.
8480761d KS	45	pub const CODEC_CAP_COMPLEX_REORDER:u32 = 0x0020;
d48ee414	46
285f4c72	47	/// Codec description structure.
34829caa	48	#[derive(Clone)]
d48ee414	49	pub struct CodecDescription {
285f4c72 KS	50	/// Short codec name.
	51	///
	52	/// Short codec name is used inside NihAV as the unique identifier.
5641dccf	53	pub name: &'static str,
285f4c72	54	/// Full codec name.
5641dccf	55	pub fname: &'static str,
285f4c72	56	/// Codec type.
5641dccf	57	pub ctype: CodecType,
285f4c72	58	/// Codec capabilities.
5641dccf	59	pub caps: u32,
d48ee414 KS	60	}
	61
	62	impl CodecDescription {
285f4c72	63	/// Returns short codec name.
d48ee414	64	pub fn get_name(&self) -> &'static str { self.name }
285f4c72	65	/// Returns full codec name.
d48ee414	66	pub fn get_full_name(&self) -> &'static str { self.fname }
285f4c72	67	/// Returns codec type.
d48ee414	68	pub fn get_codec_type(&self) -> CodecType { self.ctype }
285f4c72	69	/// Reports whether the codec has only intra frames or not.
d48ee414	70	pub fn is_intraonly(&self) -> bool { (self.caps & CODEC_CAP_INTRAONLY) != 0 }
285f4c72	71	/// Reports whether the codec is lossless.
d48ee414	72	pub fn is_lossless(&self) -> bool { (self.caps & CODEC_CAP_LOSSLESS) != 0 }
285f4c72	73	/// Reports whether the codec requires frame reordering.
d48ee414	74	pub fn has_reorder(&self) -> bool { (self.caps & CODEC_CAP_REORDER) != 0 }
285f4c72	75	/// Reports whether the codec can be either lossless or lossy.
d48ee414	76	pub fn is_hybrid(&self) -> bool { (self.caps & CODEC_CAP_HYBRID) != 0 }
285f4c72 KS	77	/// Reports whether codec supports scalability.
	78	///
	79	/// Scalability means that codec can be decoded in reduced resolution by design.
d48ee414 KS	80	pub fn is_scalable(&self) -> bool { (self.caps & CODEC_CAP_SCALABLE) != 0 }
	81	}
	82
	83	impl fmt::Display for CodecDescription {
	84	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
e243ceb4	85	let mut out = self.fname.to_string();
d48ee414 KS	86	if self.caps != 0 {
	87	let mut capfmt = "".to_string();
	88	if (self.caps & CODEC_CAP_INTRAONLY) != 0 {
	89	capfmt = format!("{} Intra-only", capfmt);
	90	}
	91	if (self.caps & CODEC_CAP_LOSSLESS) != 0 {
	92	capfmt = format!("{} Lossless", capfmt);
	93	}
	94	if (self.caps & CODEC_CAP_REORDER) != 0 {
	95	capfmt = format!("{} Frame reorder", capfmt);
	96	}
	97	if (self.caps & CODEC_CAP_HYBRID) != 0 {
	98	capfmt = format!("{} Can be lossy and lossless", capfmt);
	99	}
	100	if (self.caps & CODEC_CAP_SCALABLE) != 0 {
	101	capfmt = format!("{} Scalable", capfmt);
	102	}
	103	out = format!("{} ({})", out, capfmt);
	104	}
	105	write!(f, "{}", out)
	106	}
	107	}
	108
	109	macro_rules! desc {
	110	(video; $n:expr, $fn:expr) => ({
	111	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	112	caps: 0 }
	113	});
	114	(video; $n:expr, $fn:expr, $c:expr) => ({
	115	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	116	caps: $c }
	117	});
	118	(video-ll; $n:expr, $fn:expr) => ({
	119	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	120	caps: CODEC_CAP_LOSSLESS \| CODEC_CAP_INTRAONLY }
	121	});
	122	(video-llp; $n:expr, $fn:expr) => ({
	123	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	124	caps: CODEC_CAP_LOSSLESS }
	125	});
	126	(video-im; $n:expr, $fn:expr) => ({
	127	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	128	caps: CODEC_CAP_INTRAONLY }
	129	});
	130	(video-modern; $n:expr, $fn:expr) => ({
	131	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Video,
	132	caps: CODEC_CAP_REORDER \| CODEC_CAP_HYBRID }
	133	});
	134	(audio; $n:expr, $fn:expr) => ({
	135	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
	136	caps: 0 }
	137	});
	138	(audio-ll; $n:expr, $fn:expr) => ({
	139	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
	140	caps: CODEC_CAP_LOSSLESS \| CODEC_CAP_INTRAONLY }
	141	});
87927c57 KS	142	(audio-hyb; $n:expr, $fn:expr) => ({
	143	CodecDescription{ name: $n, fname: $fn, ctype: CodecType::Audio,
	144	caps: CODEC_CAP_HYBRID }
	145	});
d48ee414 KS	146	}
d48ee414 KS	147
285f4c72	148	/// Returns codec description for the provided codec short name if it is found.
d48ee414	149	pub fn get_codec_description(name: &str) -> Option<&'static CodecDescription> {
34829caa KS	150	for reg in CODEC_REGISTER {
	151	if reg.name == name {
	152	return Some(reg);
d48ee414 KS	153	}
	154	}
	155	None
	156	}
	157
	158	static CODEC_REGISTER: &'static [CodecDescription] = &[
e8e022f4	159	desc!(audio-ll; "pcm", "PCM"),
3d5fb08f KS	160	desc!(audio; "alaw", "A-law PCM"),
3d5fb08f KS	161	desc!(audio; "ulaw", "mu-law PCM"),
e8e022f4	162
45e794c4 KS	163	desc!(video-im; "indeo1", "Intel Raw IF09"),
	164	desc!(video-im; "indeo2", "Intel Indeo 2"),
	165	desc!(video; "indeo3", "Intel Indeo 3"),
	166	desc!(video; "indeo4", "Intel Indeo 4", CODEC_CAP_REORDER \| CODEC_CAP_SCALABLE),
	167	desc!(video; "indeo5", "Intel Indeo 5", CODEC_CAP_REORDER \| CODEC_CAP_SCALABLE),
1a36a05d	168	desc!(video; "intel263", "Intel I263", CODEC_CAP_REORDER),
45e794c4 KS	169	desc!(audio; "iac", "Intel Indeo audio"),
45e794c4 KS	170	desc!(audio; "imc", "Intel Music Coder"),
ce52b3b5 KS	171
ce52b3b5 KS	172	desc!(video; "realvideo1", "Real Video 1"),
6b2cdc84	173	desc!(video; "realvideo2", "Real Video 2", CODEC_CAP_REORDER),
ce52b3b5 KS	174	desc!(video; "realvideo3", "Real Video 3", CODEC_CAP_REORDER),
ce52b3b5 KS	175	desc!(video; "realvideo4", "Real Video 4", CODEC_CAP_REORDER),
0b791d5c	176	desc!(video; "realvideo6", "Real Video 6", CODEC_CAP_REORDER),
ce52b3b5	177	desc!(video; "clearvideo", "ClearVideo"),
750b299c	178	desc!(video; "clearvideo_rm", "ClearVideo"),
ce52b3b5 KS	179	desc!(audio; "ra14.4", "RealAudio 14.4"),
	180	desc!(audio; "ra28.8", "RealAudio 28.8"),
	181	desc!(audio; "cook", "RealAudio Cooker"),
	182	desc!(audio; "ralf", "RealAudio Lossless"),
	183	desc!(audio; "aac", "AAC"),
16dd4f44	184	desc!(audio; "ac3", "ETSI TS 102 366"),
ce52b3b5 KS	185	desc!(audio; "atrac3", "Sony Atrac3"),
ce52b3b5 KS	186	desc!(audio; "sipro", "Sipro Labs ADPCM"),
e8e022f4	187
57777a0a KS	188	desc!(video; "cinepak", "Cinepak"),
57777a0a KS	189
4abcd842	190	desc!(video; "msvideo1", "MS Video 1"),
03c406ea	191	desc!(video; "msrle", "MS RLE"),
4abcd842 KS	192	desc!(audio; "ms-adpcm", "MS ADPCM"),
	193	desc!(audio; "ima-adpcm-ms", "IMA ADPCM (MS variant)"),
	194
3d5fb08f KS	195	desc!(video; "qt-smc", "Apple Graphics"),
	196	desc!(video; "qt-rle", "Apple Animation"),
	197	desc!(video; "apple-video", "Apple video"),
	198	desc!(video; "sorenson-video", "Sorenson Video"),
8251c0ab	199	desc!(video; "sorenson-video3", "Sorenson Video 3", CODEC_CAP_REORDER),
3d5fb08f KS	200	desc!(audio; "mace-3", "MACE 3:1"),
	201	desc!(audio; "mace-6", "MACE 6:1"),
	202	desc!(audio; "ima-adpcm-qt", "IMA ADPCM (Apple variant)"),
	203	desc!(audio; "qdesign-music", "QDesign Music"),
	204	desc!(audio; "qdesign-music2", "QDesign Music v2"),
	205	desc!(audio; "qualcomm-purevoice", "Qualcomm PureVoice"),
	206
d24468d9 KS	207	desc!(video; "truemotion1", "TrueMotion 1"),
	208	desc!(video-im; "truemotionrt", "TrueMotion RT"),
	209	desc!(video; "truemotion2", "TrueMotion 2"),
e8e022f4 KS	210	desc!(video; "truemotion2x", "TrueMotion 2X"),
	211	desc!(video; "vp3", "VP3"),
	212	desc!(video; "vp4", "VP4"),
	213	desc!(video; "vp5", "VP5"),
	214	desc!(video; "vp6", "VP6"),
629a1025	215	desc!(video; "vp6a", "VP6"),
e8e022f4 KS	216	desc!(video; "vp7", "VP7"),
	217	desc!(video; "vp8", "VP8"),
	218	desc!(video; "vp9", "VP9"),
	219	desc!(audio; "adpcm-dk3", "Duck DK3 ADPCM"),
	220	desc!(audio; "adpcm-dk4", "Duck DK4 ADPCM"),
629a1025 KS	221	desc!(audio; "on2avc-500", "On2 AVC"),
629a1025 KS	222	desc!(audio; "on2avc-501", "On2 AVC"),
e8e022f4 KS	223
	224	desc!(video; "gdv-video", "Gremlin Digital Video - video"),
	225	desc!(audio; "gdv-audio", "Gremlin Digital Video - audio"),
	226	desc!(video; "bmv-video", "BMV video"),
	227	desc!(audio; "bmv-audio", "BMV audio"),
ecda1cc1 KS	228	desc!(video; "bmv3-video", "DW Noir BMV video"),
ecda1cc1 KS	229	desc!(audio; "bmv3-audio", "DW Noir BMV audio"),
801bba83 KS	230	desc!(video; "midivid", "MidiVid"),
	231	desc!(video; "midivid3", "MidiVid 3"),
	232	desc!(video-ll; "midivid-ll", "MidiVid Lossless"),
9895bd7b KS	233	desc!(video; "vmd-video", "VMD video"),
9895bd7b KS	234	desc!(audio; "vmd-audio", "VMD audio"),
55d85231 KS	235	desc!(video; "vxvideo", "Actimagine Vx"),
55d85231 KS	236	desc!(audio; "vxaudio", "Actimagine Sx"),
e8e022f4 KS	237
	238	desc!(video; "smacker-video", "Smacker video"),
	239	desc!(audio; "smacker-audio", "Smacker audio"),
	240	desc!(video; "bink-video", "Bink video"),
	241	desc!(video; "bink2-video", "Bink2 video"),
	242	desc!(audio; "bink-audio-dct", "Bink audio (DCT)"),
	243	desc!(audio; "bink-audio-rdft", "Bink audio (RDFT)"),
ed374345 KS	244
	245	desc!(audio; "lhst15f8", "L&H StreamTalk 15kbps at 8 kHz"),
	246	desc!(audio; "lhst250f11", "L&H StreamTalk 25kbps at 11 kHz"),
	247	desc!(audio; "lhst500f22", "L&H StreamTalk 50kpbs at 22 kHz"),
	248	desc!(audio; "lhst48", "L&H StreamTalk CELP Codec 4.8kbps at 8 kHz"),
31cf33ac KS	249
	250	desc!(video; "vivo1", "VivoActive Video 1.0"),
	251	desc!(video; "vivo2", "VivoActive Video 2.0", CODEC_CAP_REORDER),
	252	desc!(audio; "g723.1", "ITU G.723.1"),
	253	desc!(audio; "siren", "Polycom Siren"),
87927c57 KS	254
	255	desc!(audio-ll; "ape", "Monkey's Audio"),
	256	desc!(audio-ll; "flac", "Free Lossless Audio Codec"),
	257	desc!(audio-ll; "tta", "True Audio codec"),
	258	desc!(audio-hyb; "wavpack", "WavPack"),
696e4e20 KS	259
696e4e20 KS	260	desc!(video; "h264", "ITU H.264", CODEC_CAP_COMPLEX_REORDER \| CODEC_CAP_HYBRID),
d48ee414 KS	261	];
	262
	263	static AVI_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
423005dc KS	264	(&[1, 0, 0, 0], "msrle"),
	265	(&[2, 0, 0, 0], "msrle"),
	266
4abcd842 KS	267	(b"CRAM", "msvideo1"),
	268	(b"MSVC", "msvideo1"),
	269	(b"WHAM", "msvideo1"),
	270
45e794c4 KS	271	(b"IF09", "indeo1"),
	272	(b"RT21", "indeo2"),
	273	(b"IV31", "indeo3"),
	274	(b"IV32", "indeo3"),
	275	(b"IV41", "indeo4"),
	276	(b"IV50", "indeo5"),
836bf150	277	(b"I263", "intel263"),
ce52b3b5	278
750b299c	279	(b"UCOD", "clearvideo"),
57777a0a	280	(b"cvid", "cinepak"),
b2d656d0	281
801bba83 KS	282	(b"MVDV", "midivid"),
	283	(b"MV30", "midivid3"),
	284	(b"MVLZ", "midivid-ll"),
	285
b2d656d0 KS	286	(b"DUCK", "truemotion1"),
	287	(b"TR20", "truemotionrt"),
	288	(b"TM20", "truemotion2"),
	289	(b"TM2A", "truemotion2x"),
	290	(b"TM2X", "truemotion2x"),
40e95291 KS	291	(b"VP30", "vp3"),
	292	(b"VP31", "vp3"),
	293	(b"VP40", "vp4"),
	294	(b"VP50", "vp5"),
	295	(b"VP60", "vp6"),
	296	(b"VP61", "vp6"),
	297	(b"VP62", "vp6"),
1bf8e0fc	298	(b"VP6A", "vp6a"),
40e95291	299	(b"VP70", "vp7"),
d48ee414 KS	300	];
	301
	302	static WAV_CODEC_REGISTER: &'static [(u16, &str)] = &[
9d9c811b	303	(0x0000, "unknown"),
45e794c4	304	(0x0001, "pcm"),
4abcd842	305	(0x0002, "ms-adpcm"),
45e794c4	306	(0x0003, "pcm"),
4abcd842	307	(0x0011, "ima-adpcm-ms"),
fadee95f KS	308	(0x0061, "adpcm-dk4"),
fadee95f KS	309	(0x0062, "adpcm-dk3"),
45e794c4 KS	310	(0x0401, "imc"),
45e794c4 KS	311	(0x0402, "iac"),
a38be6e4 KS	312	(0x0500, "on2avc-500"),
a38be6e4 KS	313	(0x0501, "on2avc-501"),
d48ee414 KS	314	];
d48ee414 KS	315
646f4c43 KS	316	static MOV_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
	317	(b"cvid", "cinepak"),
	318	(b"jpeg", "jpeg"),
	319	//(b"raw ", "raw"),
	320	//(b"Yuv2", "raw"),
	321	(b"smc ", "qt-smc"),
	322	(b"rle ", "qt-rle"),
	323	(b"rpza", "apple-video"),
	324	(b"kpcd", "kodak-photocd"),
	325	//(b"mpeg", "mpeg-video"),
	326	(b"mjpa", "mjpeg-a"),
	327	(b"mjpb", "mjpeg-b"),
	328	(b"svqi", "sorenson-video"),
b2689495	329	(b"SVQ1", "sorenson-video"),
3d5fb08f	330	(b"svq3", "sorenson-video3"),
b2689495	331	(b"SVQ3", "sorenson-video3"),
646f4c43 KS	332
	333	(b"IV31", "indeo3"),
	334	(b"IV32", "indeo3"),
	335
	336	(b"UCOD", "clearvideo"),
	337
	338	(b"VP30", "vp3"),
	339	(b"VP31", "vp3"),
696e4e20 KS	340
696e4e20 KS	341	(b"avc1", "h264"),
646f4c43 KS	342	];
	343
	344	static MOV_AUDIO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
	345	(b"NONE", "pcm"),
	346	(b"raw ", "pcm"),
	347	(b"twos", "pcm"),
	348	(b"sowt", "pcm"),
	349	(b"fl32", "pcm"),
	350	(b"fl64", "pcm"),
	351	(b"in24", "pcm"),
	352	(b"in32", "pcm"),
	353	(b"MAC3", "mace-3"),
	354	(b"MAC6", "mace-6"),
	355	(b"ima4", "ima-adpcm-qt"),
	356	(b"ulaw", "ulaw"),
	357	(b"alaw", "alaw"),
	358	(b"dvca", "dv-audio"),
	359	(b"QDMC", "qdesign-music"),
	360	(b"QDM2", "qdesign-music2"),
	361	(b"Qclp", "qualcomm-purevoice"),
	362	//(b".mp3", "mpeg-layer3"),
12881f89 KS	363
12881f89 KS	364	(b"mp4a", "aac"),
646f4c43 KS	365	];
646f4c43 KS	366
285f4c72	367	/// Returns video codec short name for provided FOURCC (used in AVI format).
d48ee414	368	pub fn find_codec_from_avi_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
e243ceb4 KS	369	for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
e243ceb4 KS	370	if *fourcc == fcc { return Some(name); }
d48ee414 KS	371	}
	372	None
	373	}
	374
9a3ce86c KS	375	/// Returns FOURCC (used in AVI format) for provided codec name.
	376	pub fn find_avi_fourcc(codecname: &str) -> Option<[u8; 4]> {
	377	for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
	378	if name == codecname { return Some(*fourcc); }
	379	}
	380	None
	381	}
	382
285f4c72	383	/// Returns known audio codec short name for provided TWOCC (used in WAV and AVI format).
d48ee414	384	pub fn find_codec_from_wav_twocc(tcc: u16) -> Option<&'static str> {
e243ceb4 KS	385	for (twocc, name) in WAV_CODEC_REGISTER.iter() {
e243ceb4 KS	386	if *twocc == tcc { return Some(name); }
d48ee414 KS	387	}
	388	None
	389	}
	390
9a3ce86c KS	391	/// Returns TWOCC (used in WAV and AVI format for provided codec name.
	392	pub fn find_wav_twocc(codecname: &str) -> Option<u16> {
	393	for (twocc, name) in WAV_CODEC_REGISTER.iter() {
	394	if name == codecname { return Some(twocc); }
	395	}
	396	None
	397	}
	398
646f4c43 KS	399	/// Returns video codec short name for provided FOURCC (used in MOV format).
	400	pub fn find_codec_from_mov_video_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
	401	for (fourcc, name) in MOV_VIDEO_CODEC_REGISTER.iter() {
	402	if *fourcc == fcc { return Some(name); }
	403	}
	404	None
	405	}
	406
	407	/// Returns known audio codec short name for provided FOURCC (used in MOV format).
	408	pub fn find_codec_from_mov_audio_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
	409	for (fourcc, name) in MOV_AUDIO_CODEC_REGISTER.iter() {
	410	if *fourcc == fcc { return Some(name); }
	411	}
	412	None
	413	}
	414
d48ee414 KS	415	#[cfg(test)]
	416	mod test {
	417	use super::*;
	418
	419	#[test]
	420	fn test_register() {
	421	let c1 = find_codec_from_avi_fourcc(b"IV41").unwrap();
	422	let c2 = find_codec_from_wav_twocc(0x401).unwrap();
	423	println!("found {} and {}", c1, c2);
	424	let cd1 = get_codec_description(c1).unwrap();
	425	let cd2 = get_codec_description(c2).unwrap();
	426	println!("got {} and {}", cd1, cd2);
	427	}
b58d7656	428	}