Fix FourCC when remuxing VP6F, regression introduced in r22941.
[libav.git] / libavformat / riff.c
1 /*
2 * RIFF codec tags
3 * Copyright (c) 2000 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "libavcodec/avcodec.h"
23 #include "avformat.h"
24 #include "riff.h"
25 #include "libavcodec/bytestream.h"
26
27 /* Note: when encoding, the first matching tag is used, so order is
28 important if multiple tags possible for a given codec. */
29 const AVCodecTag ff_codec_bmp_tags[] = {
30 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
31 { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
32 { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
33 { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
34 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
35 { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
36 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
37 { CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
38 { CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
39 { CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
40 { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
41 { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
42 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
43 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
44 { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
45 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
46 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
47 { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
48 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
49 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
50 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
51 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
52 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
53 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
54 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
55 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
56 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
57 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
58 { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
59 { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
60 { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
61 { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
62 { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
63 { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
64 { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
65 { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
66 { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
67 { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
68 { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
69 { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
70 { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
71 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
72 { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
73 { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
74 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
75 { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
76 { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
77 { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
78 { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
79 { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
80 { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
81 { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
82 { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
83 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') }, /* default signature when using MSMPEG4 */
84 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
85 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
86 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
87 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
88 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
89 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
90 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
91 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
92 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
93 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
94 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
95 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
96 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
97 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
98 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
99 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
100 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
101 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
102 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
103 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
104 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
105 { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
106 { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
107 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
108 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
109 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
110 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
111 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
112 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
113 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
114 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
115 { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
116 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
117 { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
118 { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
119 { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
120 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
121 { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
122 { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
123 { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
124 { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
125 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
126 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
127 { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
128 { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
129 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
130 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
131 { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
132 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
133 { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
134 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
135 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
136 { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
137 { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
138 { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
139 { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
140 { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
141 { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
142 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
143 { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
144 { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
145 { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
146 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
147 { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
148 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
149 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
150 { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
151 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
152 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
153 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
154 { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
155 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
156 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
157 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
158 { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
159 { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
160 { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
161 { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
162 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
163 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
164 { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
165 { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
166 { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
167 { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
168 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
169 { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
170 { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
171 { CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
172 { CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
173 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
174 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
175 { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
176 { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
177 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
178 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
179 { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
180 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
181 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
182 { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
183 { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
184 { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
185 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
186 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
187 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
188 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
189 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
190 { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
191 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
192 { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
193 { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
194 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
195 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
196 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
197 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
198 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
199 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
200 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
201 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
202 { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
203 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
204 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
205 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
206 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
207 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
208 { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
209 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
210 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
211 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
212 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
213 { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
214 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
215 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
216 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
217 { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
218 { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
219 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
220 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
221 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
222 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
223 { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
224 { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
225 { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
226 { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
227 { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
228 { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
229 { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
230 { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
231 { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
232 { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
233 { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
234 { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
235 { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
236 { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
237 { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
238 { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
239 { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
240 { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
241 { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
242 { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
243 { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
244 { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
245 { CODEC_ID_NONE, 0 }
246 };
247
248 const AVCodecTag ff_codec_wav_tags[] = {
249 { CODEC_ID_PCM_S16LE, 0x0001 },
250 { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
251 { CODEC_ID_PCM_S24LE, 0x0001 },
252 { CODEC_ID_PCM_S32LE, 0x0001 },
253 { CODEC_ID_ADPCM_MS, 0x0002 },
254 { CODEC_ID_PCM_F32LE, 0x0003 },
255 { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
256 { CODEC_ID_PCM_ALAW, 0x0006 },
257 { CODEC_ID_PCM_MULAW, 0x0007 },
258 { CODEC_ID_WMAVOICE, 0x000A },
259 { CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
260 { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
261 { CODEC_ID_ADPCM_YAMAHA, 0x0020 },
262 { CODEC_ID_TRUESPEECH, 0x0022 },
263 { CODEC_ID_GSM_MS, 0x0031 },
264 { CODEC_ID_ADPCM_G726, 0x0045 },
265 { CODEC_ID_MP2, 0x0050 },
266 { CODEC_ID_MP3, 0x0055 },
267 { CODEC_ID_AMR_NB, 0x0057 },
268 { CODEC_ID_AMR_WB, 0x0058 },
269 { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
270 { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
271 { CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
272 { CODEC_ID_VOXWARE, 0x0075 },
273 { CODEC_ID_AAC, 0x00ff },
274 { CODEC_ID_SIPR, 0x0130 },
275 { CODEC_ID_WMAV1, 0x0160 },
276 { CODEC_ID_WMAV2, 0x0161 },
277 { CODEC_ID_WMAPRO, 0x0162 },
278 { CODEC_ID_WMALOSSLESS, 0x0163 },
279 { CODEC_ID_ADPCM_CT, 0x0200 },
280 { CODEC_ID_ATRAC3, 0x0270 },
281 { CODEC_ID_IMC, 0x0401 },
282 { CODEC_ID_GSM_MS, 0x1500 },
283 { CODEC_ID_TRUESPEECH, 0x1501 },
284 { CODEC_ID_AC3, 0x2000 },
285 { CODEC_ID_DTS, 0x2001 },
286 { CODEC_ID_SONIC, 0x2048 },
287 { CODEC_ID_SONIC_LS, 0x2048 },
288 { CODEC_ID_PCM_MULAW, 0x6c75 },
289 { CODEC_ID_AAC, 0x706d },
290 { CODEC_ID_AAC, 0x4143 },
291 { CODEC_ID_FLAC, 0xF1AC },
292 { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
293 { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
294
295 /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
296 // for NuppelVideo (nuv.c)
297 { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
298 { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
299 { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
300 { CODEC_ID_NONE, 0 },
301 };
302
303 #if CONFIG_MUXERS
304 int64_t ff_start_tag(ByteIOContext *pb, const char *tag)
305 {
306 put_tag(pb, tag);
307 put_le32(pb, 0);
308 return url_ftell(pb);
309 }
310
311 void ff_end_tag(ByteIOContext *pb, int64_t start)
312 {
313 int64_t pos;
314
315 pos = url_ftell(pb);
316 url_fseek(pb, start - 4, SEEK_SET);
317 put_le32(pb, (uint32_t)(pos - start));
318 url_fseek(pb, pos, SEEK_SET);
319 }
320
321 /* WAVEFORMATEX header */
322 /* returns the size or -1 on error */
323 int ff_put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
324 {
325 int bps, blkalign, bytespersec;
326 int hdrsize = 18;
327 int waveformatextensible;
328 uint8_t temp[256];
329 uint8_t *riff_extradata= temp;
330 uint8_t *riff_extradata_start= temp;
331
332 if(!enc->codec_tag || enc->codec_tag > 0xffff)
333 return -1;
334 waveformatextensible = (enc->channels > 2 && enc->channel_layout)
335 || enc->sample_rate > 48000
336 || av_get_bits_per_sample(enc->codec_id) > 16;
337
338 if (waveformatextensible) {
339 put_le16(pb, 0xfffe);
340 } else {
341 put_le16(pb, enc->codec_tag);
342 }
343 put_le16(pb, enc->channels);
344 put_le32(pb, enc->sample_rate);
345 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
346 bps = 0;
347 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
348 bps = 4;
349 } else {
350 if (!(bps = av_get_bits_per_sample(enc->codec_id)))
351 bps = 16; // default to 16
352 }
353 if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
354 av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
355 }
356
357 if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_AC3) {
358 blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
359 //blkalign = 144 * enc->bit_rate/enc->sample_rate;
360 } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
361 blkalign = 1;
362 } else if (enc->block_align != 0) { /* specified by the codec */
363 blkalign = enc->block_align;
364 } else
365 blkalign = enc->channels*bps >> 3;
366 if (enc->codec_id == CODEC_ID_PCM_U8 ||
367 enc->codec_id == CODEC_ID_PCM_S24LE ||
368 enc->codec_id == CODEC_ID_PCM_S32LE ||
369 enc->codec_id == CODEC_ID_PCM_F32LE ||
370 enc->codec_id == CODEC_ID_PCM_F64LE ||
371 enc->codec_id == CODEC_ID_PCM_S16LE) {
372 bytespersec = enc->sample_rate * blkalign;
373 } else {
374 bytespersec = enc->bit_rate / 8;
375 }
376 put_le32(pb, bytespersec); /* bytes per second */
377 put_le16(pb, blkalign); /* block align */
378 put_le16(pb, bps); /* bits per sample */
379 if (enc->codec_id == CODEC_ID_MP3) {
380 hdrsize += 12;
381 bytestream_put_le16(&riff_extradata, 1); /* wID */
382 bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */
383 bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
384 bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */
385 bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
386 } else if (enc->codec_id == CODEC_ID_MP2) {
387 hdrsize += 22;
388 bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
389 bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
390 bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
391 bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
392 bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
393 bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
394 bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
395 bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
396 } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
397 hdrsize += 2;
398 bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
399 } else if(enc->extradata_size){
400 riff_extradata_start= enc->extradata;
401 riff_extradata= enc->extradata + enc->extradata_size;
402 hdrsize += enc->extradata_size;
403 } else if (!waveformatextensible){
404 hdrsize -= 2;
405 }
406 if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
407 hdrsize += 22;
408 put_le16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
409 put_le16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
410 put_le32(pb, enc->channel_layout); /* dwChannelMask */
411 put_le32(pb, enc->codec_tag); /* GUID + next 3 */
412 put_le32(pb, 0x00100000);
413 put_le32(pb, 0xAA000080);
414 put_le32(pb, 0x719B3800);
415 } else if(riff_extradata - riff_extradata_start) {
416 put_le16(pb, riff_extradata - riff_extradata_start);
417 }
418 put_buffer(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
419 if(hdrsize&1){
420 hdrsize++;
421 put_byte(pb, 0);
422 }
423
424 return hdrsize;
425 }
426
427 /* BITMAPINFOHEADER header */
428 void ff_put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
429 {
430 put_le32(pb, 40 + enc->extradata_size); /* size */
431 put_le32(pb, enc->width);
432 //We always store RGB TopDown
433 put_le32(pb, enc->codec_tag ? enc->height : -enc->height);
434 put_le16(pb, 1); /* planes */
435
436 put_le16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
437 /* compression type */
438 put_le32(pb, enc->codec_tag);
439 put_le32(pb, enc->width * enc->height * 3);
440 put_le32(pb, 0);
441 put_le32(pb, 0);
442 put_le32(pb, 0);
443 put_le32(pb, 0);
444
445 put_buffer(pb, enc->extradata, enc->extradata_size);
446
447 if (!for_asf && enc->extradata_size & 1)
448 put_byte(pb, 0);
449 }
450 #endif //CONFIG_MUXERS
451
452 #if CONFIG_DEMUXERS
453 /* We could be given one of the three possible structures here:
454 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
455 * is an expansion of the previous one with the fields added
456 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
457 * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
458 * an openended structure.
459 */
460 void ff_get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size)
461 {
462 int id;
463
464 id = get_le16(pb);
465 codec->codec_type = AVMEDIA_TYPE_AUDIO;
466 codec->codec_tag = id;
467 codec->channels = get_le16(pb);
468 codec->sample_rate = get_le32(pb);
469 codec->bit_rate = get_le32(pb) * 8;
470 codec->block_align = get_le16(pb);
471 if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
472 codec->bits_per_coded_sample = 8;
473 }else
474 codec->bits_per_coded_sample = get_le16(pb);
475 if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
476 int cbSize = get_le16(pb); /* cbSize */
477 size -= 18;
478 cbSize = FFMIN(size, cbSize);
479 if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
480 codec->bits_per_coded_sample = get_le16(pb);
481 codec->channel_layout = get_le32(pb); /* dwChannelMask */
482 id = get_le32(pb); /* 4 first bytes of GUID */
483 url_fskip(pb, 12); /* skip end of GUID */
484 cbSize -= 22;
485 size -= 22;
486 }
487 codec->extradata_size = cbSize;
488 if (cbSize > 0) {
489 codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
490 get_buffer(pb, codec->extradata, codec->extradata_size);
491 size -= cbSize;
492 }
493
494 /* It is possible for the chunk to contain garbage at the end */
495 if (size > 0)
496 url_fskip(pb, size);
497 }
498 codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
499 }
500
501
502 enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
503 {
504 enum CodecID id;
505 id = ff_codec_get_id(ff_codec_wav_tags, tag);
506 if (id <= 0)
507 return id;
508 /* handle specific u8 codec */
509 if (id == CODEC_ID_PCM_S16LE && bps == 8)
510 id = CODEC_ID_PCM_U8;
511 if (id == CODEC_ID_PCM_S16LE && bps == 24)
512 id = CODEC_ID_PCM_S24LE;
513 if (id == CODEC_ID_PCM_S16LE && bps == 32)
514 id = CODEC_ID_PCM_S32LE;
515 if (id == CODEC_ID_PCM_F32LE && bps == 64)
516 id = CODEC_ID_PCM_F64LE;
517 if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
518 id = CODEC_ID_PCM_ZORK;
519 return id;
520 }
521 #endif // CONFIG_DEMUXERS
522
523 void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
524 {
525 int gcd;
526
527 *au_ssize= stream->block_align;
528 if(stream->frame_size && stream->sample_rate){
529 *au_scale=stream->frame_size;
530 *au_rate= stream->sample_rate;
531 }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
532 stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
533 *au_scale= stream->time_base.num;
534 *au_rate = stream->time_base.den;
535 }else{
536 *au_scale= stream->block_align ? stream->block_align*8 : 8;
537 *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
538 }
539 gcd= av_gcd(*au_scale, *au_rate);
540 *au_scale /= gcd;
541 *au_rate /= gcd;
542 }