GIF support
[nihav.git] / nihav-registry / src / register.rs
CommitLineData
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
4use std::fmt;
5
285f4c72 6/// Codec types.
34829caa 7#[derive(Debug,Clone,Copy,PartialEq)]
d48ee414
KS
8#[allow(dead_code)]
9pub 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
22impl 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.
35pub const CODEC_CAP_INTRAONLY:u32 = 0x0001;
36/// Codec capability flag for lossless codecs.
37pub const CODEC_CAP_LOSSLESS:u32 = 0x0002;
38/// Codec capability flag for codecs with frame reordering.
39pub const CODEC_CAP_REORDER:u32 = 0x0004;
40/// Codec capability flag for codecs that can be both lossy and lossless.
41pub const CODEC_CAP_HYBRID:u32 = 0x0008;
42/// Codec capability flag for codecs with scalability features.
43pub const CODEC_CAP_SCALABLE:u32 = 0x0010;
8480761d
KS
44/// Codec capability flag for codecs with complex frame reordering.
45pub const CODEC_CAP_COMPLEX_REORDER:u32 = 0x0020;
d48ee414 46
285f4c72 47/// Codec description structure.
34829caa 48#[derive(Clone)]
d48ee414 49pub 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
62impl 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
83impl 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
109macro_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}
147
285f4c72 148/// Returns codec description for the provided codec short name if it is found.
d48ee414 149pub fn get_codec_description(name: &str) -> Option<&'static CodecDescription> {
e6aaad5c 150 CODEC_REGISTER.iter().find(|&reg| reg.name == name)
d48ee414
KS
151}
152
b7c882c1 153static CODEC_REGISTER: &[CodecDescription] = &[
e8e022f4 154 desc!(audio-ll; "pcm", "PCM"),
3d5fb08f
KS
155 desc!(audio; "alaw", "A-law PCM"),
156 desc!(audio; "ulaw", "mu-law PCM"),
e8e022f4 157
45e794c4
KS
158 desc!(video-im; "indeo1", "Intel Raw IF09"),
159 desc!(video-im; "indeo2", "Intel Indeo 2"),
160 desc!(video; "indeo3", "Intel Indeo 3"),
161 desc!(video; "indeo4", "Intel Indeo 4", CODEC_CAP_REORDER | CODEC_CAP_SCALABLE),
162 desc!(video; "indeo5", "Intel Indeo 5", CODEC_CAP_REORDER | CODEC_CAP_SCALABLE),
f7686373 163 desc!(video; "indeo5s", "Intel Indeo 5 Scalable", CODEC_CAP_SCALABLE),
1a36a05d 164 desc!(video; "intel263", "Intel I263", CODEC_CAP_REORDER),
45e794c4
KS
165 desc!(audio; "iac", "Intel Indeo audio"),
166 desc!(audio; "imc", "Intel Music Coder"),
ce52b3b5
KS
167
168 desc!(video; "realvideo1", "Real Video 1"),
6b2cdc84 169 desc!(video; "realvideo2", "Real Video 2", CODEC_CAP_REORDER),
ce52b3b5
KS
170 desc!(video; "realvideo3", "Real Video 3", CODEC_CAP_REORDER),
171 desc!(video; "realvideo4", "Real Video 4", CODEC_CAP_REORDER),
0b791d5c 172 desc!(video; "realvideo6", "Real Video 6", CODEC_CAP_REORDER),
ce52b3b5 173 desc!(video; "clearvideo", "ClearVideo"),
750b299c 174 desc!(video; "clearvideo_rm", "ClearVideo"),
ce52b3b5
KS
175 desc!(audio; "ra14.4", "RealAudio 14.4"),
176 desc!(audio; "ra28.8", "RealAudio 28.8"),
177 desc!(audio; "cook", "RealAudio Cooker"),
178 desc!(audio; "ralf", "RealAudio Lossless"),
179 desc!(audio; "aac", "AAC"),
16dd4f44 180 desc!(audio; "ac3", "ETSI TS 102 366"),
ce52b3b5
KS
181 desc!(audio; "atrac3", "Sony Atrac3"),
182 desc!(audio; "sipro", "Sipro Labs ADPCM"),
e8e022f4 183
a715e99f
KS
184
185 desc!(video-ll; "rawvideo", "Raw video data"),
9a59c451 186 desc!(video-ll; "rawvideo-ms", "Raw video data"),
a715e99f 187
57777a0a
KS
188 desc!(video; "cinepak", "Cinepak"),
189
19336baf
KS
190 desc!(video-llp; "zmbv", "Zip Motion Blocks Video"),
191
4abcd842 192 desc!(video; "msvideo1", "MS Video 1"),
03c406ea 193 desc!(video; "msrle", "MS RLE"),
4abcd842
KS
194 desc!(audio; "ms-adpcm", "MS ADPCM"),
195 desc!(audio; "ima-adpcm-ms", "IMA ADPCM (MS variant)"),
196
3d5fb08f
KS
197 desc!(video; "qt-smc", "Apple Graphics"),
198 desc!(video; "qt-rle", "Apple Animation"),
199 desc!(video; "apple-video", "Apple video"),
200 desc!(video; "sorenson-video", "Sorenson Video"),
8251c0ab 201 desc!(video; "sorenson-video3", "Sorenson Video 3", CODEC_CAP_REORDER),
40494a85 202 desc!(audio-ll; "alac", "Apple Lossless Audio Codec"),
3d5fb08f
KS
203 desc!(audio; "mace-3", "MACE 3:1"),
204 desc!(audio; "mace-6", "MACE 6:1"),
205 desc!(audio; "ima-adpcm-qt", "IMA ADPCM (Apple variant)"),
206 desc!(audio; "qdesign-music", "QDesign Music"),
207 desc!(audio; "qdesign-music2", "QDesign Music v2"),
208 desc!(audio; "qualcomm-purevoice", "Qualcomm PureVoice"),
209
d24468d9
KS
210 desc!(video; "truemotion1", "TrueMotion 1"),
211 desc!(video-im; "truemotionrt", "TrueMotion RT"),
212 desc!(video; "truemotion2", "TrueMotion 2"),
e8e022f4
KS
213 desc!(video; "truemotion2x", "TrueMotion 2X"),
214 desc!(video; "vp3", "VP3"),
215 desc!(video; "vp4", "VP4"),
216 desc!(video; "vp5", "VP5"),
217 desc!(video; "vp6", "VP6"),
92d9fb69
KS
218 desc!(video; "vp6f", "VP6 (in Flash)"),
219 desc!(video; "vp6a", "VP6 with alpha"),
e8e022f4
KS
220 desc!(video; "vp7", "VP7"),
221 desc!(video; "vp8", "VP8"),
222 desc!(video; "vp9", "VP9"),
223 desc!(audio; "adpcm-dk3", "Duck DK3 ADPCM"),
224 desc!(audio; "adpcm-dk4", "Duck DK4 ADPCM"),
629a1025
KS
225 desc!(audio; "on2avc-500", "On2 AVC"),
226 desc!(audio; "on2avc-501", "On2 AVC"),
e8e022f4 227
92d9fb69
KS
228 desc!(video; "flv263", "Sorenson H.263"),
229 desc!(video-llp; "flashsv", "Flash Screen Video"),
230 desc!(video-llp; "flashsv2", "Flash Screen Video 2"),
231 desc!(audio; "asao", "N*llym*s*r ASAO"),
232 desc!(audio; "flv-adpcm", "Flash ADPCM"),
233
9f9a08fb
KS
234 desc!(audio; "mp1", "MPEG Audio Layer I"),
235 desc!(audio; "mp2", "MPEG Audio Layer II"),
92d9fb69
KS
236 desc!(audio; "mp3", "MPEG Audio Layer III"),
237 desc!(audio; "speex", "Speex"),
238
e8e022f4
KS
239 desc!(video; "gdv-video", "Gremlin Digital Video - video"),
240 desc!(audio; "gdv-audio", "Gremlin Digital Video - audio"),
1991b7da 241 desc!(video-im; "arxel-video", "Arxel Tribe Video"),
561d0f79
KS
242 desc!(video; "beam-fcp", "Beam Software Animation"),
243 desc!(video; "beam-video", "Beam Software Video"),
e8e022f4
KS
244 desc!(video; "bmv-video", "BMV video"),
245 desc!(audio; "bmv-audio", "BMV audio"),
ecda1cc1
KS
246 desc!(video; "bmv3-video", "DW Noir BMV video"),
247 desc!(audio; "bmv3-audio", "DW Noir BMV audio"),
fead60e3 248 desc!(video; "dp-sga", "Digital Pictures SGA video"),
3813fe8a 249 desc!(video; "fable-imax", "Fable IMAX video"),
8d91d85f
KS
250 desc!(video; "fst-video", "FutureVision video"),
251 desc!(audio; "fst-audio", "FutureVision audio"),
ff6a914f 252 desc!(video; "hl-fmv-video", "Highlander FMV video"),
d66e6055
KS
253 desc!(video-llp; "ipma", "Imagination Pilots Matte Animation"),
254 desc!(video-llp; "ipma2", "Imagination Pilots Matte Animation v2"),
afe1e5ba 255 desc!(video; "legend-q-video", "Legend Entertainment Q video"),
801bba83
KS
256 desc!(video; "midivid", "MidiVid"),
257 desc!(video; "midivid3", "MidiVid 3"),
258 desc!(video-ll; "midivid-ll", "MidiVid Lossless"),
c17769db
KS
259 desc!(video; "smushv1", "SMUSH Video paletted"),
260 desc!(video; "smushv2", "SMUSH Video 16-bit"),
261 desc!(video; "smush-iact", "SMUSH IACT Audio"),
262 desc!(video; "smush-vima", "SMUSH VIMA Audio"),
9895bd7b
KS
263 desc!(video; "vmd-video", "VMD video"),
264 desc!(audio; "vmd-audio", "VMD audio"),
55d85231
KS
265 desc!(video; "vxvideo", "Actimagine Vx"),
266 desc!(audio; "vxaudio", "Actimagine Sx"),
e8e022f4
KS
267
268 desc!(video; "smacker-video", "Smacker video"),
269 desc!(audio; "smacker-audio", "Smacker audio"),
270 desc!(video; "bink-video", "Bink video"),
271 desc!(video; "bink2-video", "Bink2 video"),
272 desc!(audio; "bink-audio-dct", "Bink audio (DCT)"),
273 desc!(audio; "bink-audio-rdft", "Bink audio (RDFT)"),
ed374345
KS
274
275 desc!(audio; "lhst15f8", "L&H StreamTalk 15kbps at 8 kHz"),
276 desc!(audio; "lhst250f11", "L&H StreamTalk 25kbps at 11 kHz"),
277 desc!(audio; "lhst500f22", "L&H StreamTalk 50kpbs at 22 kHz"),
278 desc!(audio; "lhst48", "L&H StreamTalk CELP Codec 4.8kbps at 8 kHz"),
31cf33ac
KS
279
280 desc!(video; "vivo1", "VivoActive Video 1.0"),
281 desc!(video; "vivo2", "VivoActive Video 2.0", CODEC_CAP_REORDER),
282 desc!(audio; "g723.1", "ITU G.723.1"),
283 desc!(audio; "siren", "Polycom Siren"),
87927c57
KS
284
285 desc!(audio-ll; "ape", "Monkey's Audio"),
286 desc!(audio-ll; "flac", "Free Lossless Audio Codec"),
287 desc!(audio-ll; "tta", "True Audio codec"),
288 desc!(audio-hyb; "wavpack", "WavPack"),
696e4e20 289
fc39649d 290 desc!(video-ll; "gif", "GIF"),
b5e49861 291 desc!(video-im; "jpeg", "JPEG"),
696e4e20 292 desc!(video; "h264", "ITU H.264", CODEC_CAP_COMPLEX_REORDER | CODEC_CAP_HYBRID),
54915296
KS
293
294 desc!(video-im; "mwv1", "Aware MotionWavelets"),
d48ee414
KS
295];
296
b7c882c1 297static AVI_VIDEO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[
423005dc
KS
298 (&[1, 0, 0, 0], "msrle"),
299 (&[2, 0, 0, 0], "msrle"),
300
4abcd842
KS
301 (b"CRAM", "msvideo1"),
302 (b"MSVC", "msvideo1"),
303 (b"WHAM", "msvideo1"),
304
b5e49861
KS
305 (b"MJPG", "jpeg"),
306
45e794c4
KS
307 (b"IF09", "indeo1"),
308 (b"RT21", "indeo2"),
309 (b"IV31", "indeo3"),
310 (b"IV32", "indeo3"),
311 (b"IV41", "indeo4"),
312 (b"IV50", "indeo5"),
836bf150 313 (b"I263", "intel263"),
ce52b3b5 314
750b299c 315 (b"UCOD", "clearvideo"),
57777a0a 316 (b"cvid", "cinepak"),
19336baf 317 (b"ZMBV", "zmbv"),
b2d656d0 318
d66e6055
KS
319 (b"Ipma", "ipma"),
320 (b"Ip20", "ipma2"),
321
801bba83
KS
322 (b"MVDV", "midivid"),
323 (b"MV30", "midivid3"),
324 (b"MVLZ", "midivid-ll"),
325
b2d656d0
KS
326 (b"DUCK", "truemotion1"),
327 (b"TR20", "truemotionrt"),
328 (b"TM20", "truemotion2"),
329 (b"TM2A", "truemotion2x"),
330 (b"TM2X", "truemotion2x"),
40e95291
KS
331 (b"VP30", "vp3"),
332 (b"VP31", "vp3"),
333 (b"VP40", "vp4"),
334 (b"VP50", "vp5"),
335 (b"VP60", "vp6"),
336 (b"VP61", "vp6"),
337 (b"VP62", "vp6"),
1bf8e0fc 338 (b"VP6A", "vp6a"),
40e95291 339 (b"VP70", "vp7"),
54915296
KS
340
341 (b"MWV1", "mwv1"),
d48ee414
KS
342];
343
b7c882c1 344static WAV_CODEC_REGISTER: &[(u16, &str)] = &[
9d9c811b 345 (0x0000, "unknown"),
45e794c4 346 (0x0001, "pcm"),
4abcd842 347 (0x0002, "ms-adpcm"),
45e794c4 348 (0x0003, "pcm"),
4abcd842 349 (0x0011, "ima-adpcm-ms"),
fadee95f
KS
350 (0x0061, "adpcm-dk4"),
351 (0x0062, "adpcm-dk3"),
45e794c4
KS
352 (0x0401, "imc"),
353 (0x0402, "iac"),
a38be6e4
KS
354 (0x0500, "on2avc-500"),
355 (0x0501, "on2avc-501"),
d48ee414
KS
356];
357
b7c882c1 358static MOV_VIDEO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[
646f4c43
KS
359 (b"cvid", "cinepak"),
360 (b"jpeg", "jpeg"),
361 //(b"raw ", "raw"),
362 //(b"Yuv2", "raw"),
363 (b"smc ", "qt-smc"),
364 (b"rle ", "qt-rle"),
365 (b"rpza", "apple-video"),
366 (b"kpcd", "kodak-photocd"),
367 //(b"mpeg", "mpeg-video"),
368 (b"mjpa", "mjpeg-a"),
369 (b"mjpb", "mjpeg-b"),
370 (b"svqi", "sorenson-video"),
b2689495 371 (b"SVQ1", "sorenson-video"),
3d5fb08f 372 (b"svq3", "sorenson-video3"),
b2689495 373 (b"SVQ3", "sorenson-video3"),
646f4c43
KS
374
375 (b"IV31", "indeo3"),
376 (b"IV32", "indeo3"),
377
378 (b"UCOD", "clearvideo"),
379
380 (b"VP30", "vp3"),
381 (b"VP31", "vp3"),
696e4e20
KS
382
383 (b"avc1", "h264"),
646f4c43
KS
384];
385
b7c882c1 386static MOV_AUDIO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[
646f4c43
KS
387 (b"NONE", "pcm"),
388 (b"raw ", "pcm"),
389 (b"twos", "pcm"),
390 (b"sowt", "pcm"),
391 (b"fl32", "pcm"),
392 (b"fl64", "pcm"),
393 (b"in24", "pcm"),
394 (b"in32", "pcm"),
395 (b"MAC3", "mace-3"),
396 (b"MAC6", "mace-6"),
397 (b"ima4", "ima-adpcm-qt"),
398 (b"ulaw", "ulaw"),
399 (b"alaw", "alaw"),
400 (b"dvca", "dv-audio"),
401 (b"QDMC", "qdesign-music"),
402 (b"QDM2", "qdesign-music2"),
403 (b"Qclp", "qualcomm-purevoice"),
404 //(b".mp3", "mpeg-layer3"),
12881f89
KS
405
406 (b"mp4a", "aac"),
40494a85
KS
407
408 (b"alac", "alac"),
646f4c43
KS
409];
410
285f4c72 411/// Returns video codec short name for provided FOURCC (used in AVI format).
d48ee414 412pub fn find_codec_from_avi_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
e243ceb4
KS
413 for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
414 if *fourcc == fcc { return Some(name); }
d48ee414
KS
415 }
416 None
417}
418
9a3ce86c
KS
419/// Returns FOURCC (used in AVI format) for provided codec name.
420pub fn find_avi_fourcc(codecname: &str) -> Option<[u8; 4]> {
421 for (fourcc, name) in AVI_VIDEO_CODEC_REGISTER.iter() {
422 if *name == codecname { return Some(**fourcc); }
423 }
424 None
425}
426
285f4c72 427/// Returns known audio codec short name for provided TWOCC (used in WAV and AVI format).
d48ee414 428pub fn find_codec_from_wav_twocc(tcc: u16) -> Option<&'static str> {
e243ceb4
KS
429 for (twocc, name) in WAV_CODEC_REGISTER.iter() {
430 if *twocc == tcc { return Some(name); }
d48ee414
KS
431 }
432 None
433}
434
9a3ce86c
KS
435/// Returns TWOCC (used in WAV and AVI format for provided codec name.
436pub fn find_wav_twocc(codecname: &str) -> Option<u16> {
437 for (twocc, name) in WAV_CODEC_REGISTER.iter() {
438 if *name == codecname { return Some(*twocc); }
439 }
440 None
441}
442
646f4c43
KS
443/// Returns video codec short name for provided FOURCC (used in MOV format).
444pub fn find_codec_from_mov_video_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
445 for (fourcc, name) in MOV_VIDEO_CODEC_REGISTER.iter() {
446 if *fourcc == fcc { return Some(name); }
447 }
448 None
449}
450
451/// Returns known audio codec short name for provided FOURCC (used in MOV format).
452pub fn find_codec_from_mov_audio_fourcc(fcc: &[u8;4]) -> Option<&'static str> {
453 for (fourcc, name) in MOV_AUDIO_CODEC_REGISTER.iter() {
454 if *fourcc == fcc { return Some(name); }
455 }
456 None
457}
458
d48ee414
KS
459#[cfg(test)]
460mod test {
461 use super::*;
462
463 #[test]
464 fn test_register() {
465 let c1 = find_codec_from_avi_fourcc(b"IV41").unwrap();
466 let c2 = find_codec_from_wav_twocc(0x401).unwrap();
467 println!("found {} and {}", c1, c2);
468 let cd1 = get_codec_description(c1).unwrap();
469 let cd2 = get_codec_description(c2).unwrap();
470 println!("got {} and {}", cd1, cd2);
471 }
b58d7656 472}