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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; |
5 | ||
285f4c72 | 6 | /// Codec types. |
34829caa | 7 | #[derive(Debug,Clone,Copy,PartialEq)] |
d48ee414 KS |
8 | #[allow(dead_code)] |
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. |
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 | } |
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"), |
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"), |
170 | desc!(audio; "imc", "Intel Music Coder"), | |
ce52b3b5 KS |
171 | |
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), |
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"), |
186 | desc!(audio; "sipro", "Sipro Labs ADPCM"), | |
e8e022f4 | 187 | |
57777a0a KS |
188 | desc!(video; "cinepak", "Cinepak"), |
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"), |
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"), |
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"), |
234 | desc!(audio; "vmd-audio", "VMD audio"), | |
55d85231 KS |
235 | desc!(video; "vxvideo", "Actimagine Vx"), |
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 | |
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"), |
309 | (0x0062, "adpcm-dk3"), | |
45e794c4 KS |
310 | (0x0401, "imc"), |
311 | (0x0402, "iac"), | |
a38be6e4 KS |
312 | (0x0500, "on2avc-500"), |
313 | (0x0501, "on2avc-501"), | |
d48ee414 KS |
314 | ]; |
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 | |
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 | |
364 | (b"mp4a", "aac"), | |
646f4c43 KS |
365 | ]; |
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() { |
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() { |
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 | } |