+++ /dev/null
-use std::fmt;
-
-#[derive(Debug,Clone,Copy,PartialEq)]
-#[allow(dead_code)]
-pub enum CodecType {
- Video,
- Audio,
- Subtitles,
- Data,
- 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 = 0x000001;
-const CODEC_CAP_LOSSLESS:u32 = 0x000002;
-const CODEC_CAP_REORDER:u32 = 0x000004;
-const CODEC_CAP_HYBRID:u32 = 0x000008;
-const CODEC_CAP_SCALABLE:u32 = 0x000010;
-
-#[derive(Clone)]
-pub struct CodecDescription {
- name: &'static str,
- fname: &'static str,
- ctype: CodecType,
- caps: u32,
-}
-
-impl CodecDescription {
- pub fn get_name(&self) -> &'static str { self.name }
- pub fn get_full_name(&self) -> &'static str { self.fname }
- pub fn get_codec_type(&self) -> CodecType { self.ctype }
- pub fn is_intraonly(&self) -> bool { (self.caps & CODEC_CAP_INTRAONLY) != 0 }
- pub fn is_lossless(&self) -> bool { (self.caps & CODEC_CAP_LOSSLESS) != 0 }
- pub fn has_reorder(&self) -> bool { (self.caps & CODEC_CAP_REORDER) != 0 }
- pub fn is_hybrid(&self) -> bool { (self.caps & CODEC_CAP_HYBRID) != 0 }
- 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 = format!("{}", self.fname);
- 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 }
- });
-}
-
-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!(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"),
- 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"),
-];
-
-static AVI_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
- (b"IF09", "indeo1"),
- (b"RT21", "indeo2"),
- (b"IV31", "indeo3"),
- (b"IV32", "indeo3"),
- (b"IV41", "indeo4"),
- (b"IV50", "indeo5"),
- (b"I263", "intel263"),
-
- (b"UCOD", "clearvideo"),
-];
-
-static WAV_CODEC_REGISTER: &'static [(u16, &str)] = &[
- (0x0000, "pcm"),
- (0x0001, "pcm"),
- (0x0003, "pcm"),
- (0x0401, "imc"),
- (0x0402, "iac"),
-];
-
-pub fn find_codec_from_avi_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
- for i in 0..AVI_VIDEO_CODEC_REGISTER.len() {
- let (fourcc, name) = AVI_VIDEO_CODEC_REGISTER[i];
- if fourcc == fcc { return Some(name); }
- }
- None
-}
-
-pub fn find_codec_from_wav_twocc(tcc: u16) -> Option<&'static str> {
- for i in 0..WAV_CODEC_REGISTER.len() {
- let (twocc, name) = WAV_CODEC_REGISTER[i];
- if twocc == tcc { 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);
- }
-}
projects / nihav.git / blobdiff