riff.c 30 KB

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  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. #include "libavutil/mathematics.h"
  22. #include "libavcodec/avcodec.h"
  23. #include "avformat.h"
  24. #include "avio_internal.h"
  25. #include "riff.h"
  26. #include "libavcodec/bytestream.h"
  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('D', 'A', 'V', 'C') },
  36. { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
  37. { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
  38. { CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
  39. { CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
  40. { CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
  41. { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
  42. { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
  43. { CODEC_ID_H263, MKTAG('M', '2', '6', '3') },
  44. { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
  45. { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
  46. { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
  47. { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
  48. { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
  49. { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
  50. { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
  51. { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
  52. { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
  53. { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
  54. { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
  55. { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
  56. { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
  57. { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
  58. { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
  59. { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
  60. { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
  61. { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
  62. { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
  63. { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
  64. { CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
  65. { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
  66. { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
  67. { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
  68. { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
  69. { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
  70. { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
  71. { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
  72. { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
  73. { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
  74. { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
  75. { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
  76. { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
  77. { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
  78. { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
  79. { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
  80. { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
  81. { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
  82. { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
  83. { CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
  84. { CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
  85. { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
  86. { CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
  87. { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') },
  88. { CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') },
  89. { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
  90. { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
  91. { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
  92. { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
  93. { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
  94. { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
  95. { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
  96. { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
  97. { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
  98. { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
  99. { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
  100. { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
  101. { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
  102. { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
  103. { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
  104. { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
  105. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
  106. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
  107. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
  108. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
  109. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
  110. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
  111. { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
  112. { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
  113. { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') }, /* Canopus DV */
  114. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
  115. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
  116. { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
  117. { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
  118. { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
  119. { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
  120. { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
  121. { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
  122. { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
  123. { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
  124. { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
  125. { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
  126. { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
  127. { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
  128. { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
  129. { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
  130. { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
  131. { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
  132. { CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
  133. { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
  134. { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
  135. { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
  136. { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
  137. { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
  138. { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
  139. { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
  140. { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
  141. { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
  142. { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
  143. { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
  144. { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
  145. { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
  146. { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
  147. { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
  148. { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
  149. { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
  150. { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
  151. { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
  152. { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
  153. { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
  154. { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
  155. { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
  156. { CODEC_ID_MJPEG, MKTAG('M', 'M', 'J', 'P') },
  157. { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
  158. { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
  159. { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
  160. { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
  161. { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
  162. { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
  163. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
  164. { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
  165. { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
  166. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
  167. { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
  168. { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
  169. { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
  170. { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
  171. { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
  172. { CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') },
  173. { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
  174. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
  175. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '6') },
  176. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '2', '4') },
  177. { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
  178. { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
  179. { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
  180. { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') },
  181. { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
  182. { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
  183. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
  184. { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
  185. { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
  186. { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
  187. { CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
  188. { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', 'B') },
  189. { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', 'B') },
  190. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') },
  191. { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
  192. { CODEC_ID_RAWVIDEO, MKTAG('a', 'u', 'v', '2') },
  193. { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
  194. { CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
  195. { CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
  196. { CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
  197. { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
  198. { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
  199. { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
  200. { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
  201. { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
  202. { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
  203. { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
  204. { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
  205. { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
  206. { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
  207. { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
  208. { CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
  209. { CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') },
  210. { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
  211. { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
  212. { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
  213. { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
  214. { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
  215. { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
  216. { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
  217. { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
  218. { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
  219. { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
  220. { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
  221. { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
  222. { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
  223. { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
  224. { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
  225. { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
  226. { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
  227. { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
  228. { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
  229. { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
  230. { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
  231. { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
  232. { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
  233. { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
  234. { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
  235. { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
  236. { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
  237. { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
  238. { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
  239. { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
  240. { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
  241. { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
  242. { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
  243. { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
  244. { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
  245. { CODEC_ID_VC1, MKTAG('W', 'V', 'P', '2') },
  246. { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
  247. { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
  248. { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
  249. { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
  250. { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
  251. { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
  252. { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
  253. { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
  254. { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
  255. { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
  256. { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
  257. { CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') },
  258. { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
  259. { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
  260. { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
  261. { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
  262. { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
  263. { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
  264. { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
  265. { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
  266. { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
  267. { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
  268. { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
  269. { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
  270. { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
  271. { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
  272. { CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
  273. { CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
  274. { CODEC_ID_NONE, 0 }
  275. };
  276. const AVCodecTag ff_codec_wav_tags[] = {
  277. { CODEC_ID_PCM_S16LE, 0x0001 },
  278. { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
  279. { CODEC_ID_PCM_S24LE, 0x0001 },
  280. { CODEC_ID_PCM_S32LE, 0x0001 },
  281. { CODEC_ID_ADPCM_MS, 0x0002 },
  282. { CODEC_ID_PCM_F32LE, 0x0003 },
  283. { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
  284. { CODEC_ID_PCM_ALAW, 0x0006 },
  285. { CODEC_ID_PCM_MULAW, 0x0007 },
  286. { CODEC_ID_WMAVOICE, 0x000A },
  287. { CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
  288. { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
  289. { CODEC_ID_ADPCM_YAMAHA, 0x0020 },
  290. { CODEC_ID_TRUESPEECH, 0x0022 },
  291. { CODEC_ID_GSM_MS, 0x0031 },
  292. { CODEC_ID_AMR_NB, 0x0038 }, /* rogue format number */
  293. { CODEC_ID_ADPCM_G726, 0x0045 },
  294. { CODEC_ID_MP2, 0x0050 },
  295. { CODEC_ID_MP3, 0x0055 },
  296. { CODEC_ID_AMR_NB, 0x0057 },
  297. { CODEC_ID_AMR_WB, 0x0058 },
  298. { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
  299. { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
  300. { CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
  301. { CODEC_ID_VOXWARE, 0x0075 },
  302. { CODEC_ID_AAC, 0x00ff },
  303. { CODEC_ID_SIPR, 0x0130 },
  304. { CODEC_ID_WMAV1, 0x0160 },
  305. { CODEC_ID_WMAV2, 0x0161 },
  306. { CODEC_ID_WMAPRO, 0x0162 },
  307. { CODEC_ID_WMALOSSLESS, 0x0163 },
  308. { CODEC_ID_ADPCM_CT, 0x0200 },
  309. { CODEC_ID_ATRAC3, 0x0270 },
  310. { CODEC_ID_ADPCM_G722, 0x028F },
  311. { CODEC_ID_IMC, 0x0401 },
  312. { CODEC_ID_GSM_MS, 0x1500 },
  313. { CODEC_ID_TRUESPEECH, 0x1501 },
  314. { CODEC_ID_AAC, 0x1600 }, /* ADTS AAC */
  315. { CODEC_ID_AAC_LATM, 0x1602 },
  316. { CODEC_ID_AC3, 0x2000 },
  317. { CODEC_ID_DTS, 0x2001 },
  318. { CODEC_ID_SONIC, 0x2048 },
  319. { CODEC_ID_SONIC_LS, 0x2048 },
  320. { CODEC_ID_PCM_MULAW, 0x6c75 },
  321. { CODEC_ID_AAC, 0x706d },
  322. { CODEC_ID_AAC, 0x4143 },
  323. { CODEC_ID_FLAC, 0xF1AC },
  324. { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
  325. { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
  326. /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
  327. // for NuppelVideo (nuv.c)
  328. { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
  329. { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
  330. { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
  331. { CODEC_ID_NONE, 0 },
  332. };
  333. const AVCodecGuid ff_codec_wav_guids[] = {
  334. {CODEC_ID_AC3, {0x2C,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA}},
  335. {CODEC_ID_ATRAC3P, {0xBF,0xAA,0x23,0xE9,0x58,0xCB,0x71,0x44,0xA1,0x19,0xFF,0xFA,0x01,0xE4,0xCE,0x62}},
  336. {CODEC_ID_EAC3, {0xAF,0x87,0xFB,0xA7,0x02,0x2D,0xFB,0x42,0xA4,0xD4,0x05,0xCD,0x93,0x84,0x3B,0xDD}},
  337. {CODEC_ID_MP2, {0x2B,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA}},
  338. {CODEC_ID_NONE}
  339. };
  340. #if CONFIG_MUXERS
  341. int64_t ff_start_tag(AVIOContext *pb, const char *tag)
  342. {
  343. ffio_wfourcc(pb, tag);
  344. avio_wl32(pb, 0);
  345. return avio_tell(pb);
  346. }
  347. void ff_end_tag(AVIOContext *pb, int64_t start)
  348. {
  349. int64_t pos;
  350. pos = avio_tell(pb);
  351. avio_seek(pb, start - 4, SEEK_SET);
  352. avio_wl32(pb, (uint32_t)(pos - start));
  353. avio_seek(pb, pos, SEEK_SET);
  354. }
  355. /* WAVEFORMATEX header */
  356. /* returns the size or -1 on error */
  357. int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
  358. {
  359. int bps, blkalign, bytespersec;
  360. int hdrsize = 18;
  361. int waveformatextensible;
  362. uint8_t temp[256];
  363. uint8_t *riff_extradata= temp;
  364. uint8_t *riff_extradata_start= temp;
  365. if(!enc->codec_tag || enc->codec_tag > 0xffff)
  366. return -1;
  367. waveformatextensible = (enc->channels > 2 && enc->channel_layout)
  368. || enc->sample_rate > 48000
  369. || av_get_bits_per_sample(enc->codec_id) > 16;
  370. if (waveformatextensible) {
  371. avio_wl16(pb, 0xfffe);
  372. } else {
  373. avio_wl16(pb, enc->codec_tag);
  374. }
  375. avio_wl16(pb, enc->channels);
  376. avio_wl32(pb, enc->sample_rate);
  377. if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
  378. bps = 0;
  379. } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
  380. bps = 4;
  381. } else {
  382. if (!(bps = av_get_bits_per_sample(enc->codec_id)))
  383. bps = 16; // default to 16
  384. }
  385. if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
  386. av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
  387. }
  388. if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
  389. blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
  390. //blkalign = 144 * enc->bit_rate/enc->sample_rate;
  391. } else if (enc->codec_id == CODEC_ID_AC3) {
  392. blkalign = 3840; //maximum bytes per frame
  393. } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
  394. blkalign = 1;
  395. } else if (enc->block_align != 0) { /* specified by the codec */
  396. blkalign = enc->block_align;
  397. } else
  398. blkalign = enc->channels*bps >> 3;
  399. if (enc->codec_id == CODEC_ID_PCM_U8 ||
  400. enc->codec_id == CODEC_ID_PCM_S24LE ||
  401. enc->codec_id == CODEC_ID_PCM_S32LE ||
  402. enc->codec_id == CODEC_ID_PCM_F32LE ||
  403. enc->codec_id == CODEC_ID_PCM_F64LE ||
  404. enc->codec_id == CODEC_ID_PCM_S16LE) {
  405. bytespersec = enc->sample_rate * blkalign;
  406. } else {
  407. bytespersec = enc->bit_rate / 8;
  408. }
  409. avio_wl32(pb, bytespersec); /* bytes per second */
  410. avio_wl16(pb, blkalign); /* block align */
  411. avio_wl16(pb, bps); /* bits per sample */
  412. if (enc->codec_id == CODEC_ID_MP3) {
  413. hdrsize += 12;
  414. bytestream_put_le16(&riff_extradata, 1); /* wID */
  415. bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */
  416. bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
  417. bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */
  418. bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
  419. } else if (enc->codec_id == CODEC_ID_MP2) {
  420. hdrsize += 22;
  421. bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
  422. bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
  423. bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
  424. bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
  425. bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
  426. bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
  427. bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
  428. bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
  429. } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
  430. hdrsize += 2;
  431. bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
  432. } else if(enc->extradata_size){
  433. riff_extradata_start= enc->extradata;
  434. riff_extradata= enc->extradata + enc->extradata_size;
  435. hdrsize += enc->extradata_size;
  436. } else if (!waveformatextensible){
  437. hdrsize -= 2;
  438. }
  439. if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
  440. hdrsize += 22;
  441. avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
  442. avio_wl16(pb, bps); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
  443. avio_wl32(pb, enc->channel_layout); /* dwChannelMask */
  444. avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */
  445. avio_wl32(pb, 0x00100000);
  446. avio_wl32(pb, 0xAA000080);
  447. avio_wl32(pb, 0x719B3800);
  448. } else if(riff_extradata - riff_extradata_start) {
  449. avio_wl16(pb, riff_extradata - riff_extradata_start);
  450. }
  451. avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
  452. if(hdrsize&1){
  453. hdrsize++;
  454. avio_w8(pb, 0);
  455. }
  456. return hdrsize;
  457. }
  458. /* BITMAPINFOHEADER header */
  459. void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
  460. {
  461. avio_wl32(pb, 40 + enc->extradata_size); /* size */
  462. avio_wl32(pb, enc->width);
  463. //We always store RGB TopDown
  464. avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
  465. avio_wl16(pb, 1); /* planes */
  466. avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
  467. /* compression type */
  468. avio_wl32(pb, enc->codec_tag);
  469. avio_wl32(pb, enc->width * enc->height * 3);
  470. avio_wl32(pb, 0);
  471. avio_wl32(pb, 0);
  472. avio_wl32(pb, 0);
  473. avio_wl32(pb, 0);
  474. avio_write(pb, enc->extradata, enc->extradata_size);
  475. if (!for_asf && enc->extradata_size & 1)
  476. avio_w8(pb, 0);
  477. }
  478. #endif //CONFIG_MUXERS
  479. #if CONFIG_DEMUXERS
  480. /* We could be given one of the three possible structures here:
  481. * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
  482. * is an expansion of the previous one with the fields added
  483. * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
  484. * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
  485. * an openended structure.
  486. */
  487. int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
  488. {
  489. int id;
  490. id = avio_rl16(pb);
  491. codec->codec_type = AVMEDIA_TYPE_AUDIO;
  492. codec->channels = avio_rl16(pb);
  493. codec->sample_rate = avio_rl32(pb);
  494. codec->bit_rate = avio_rl32(pb) * 8;
  495. codec->block_align = avio_rl16(pb);
  496. if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
  497. codec->bits_per_coded_sample = 8;
  498. }else
  499. codec->bits_per_coded_sample = avio_rl16(pb);
  500. if (id == 0xFFFE) {
  501. codec->codec_tag = 0;
  502. } else {
  503. codec->codec_tag = id;
  504. codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
  505. }
  506. if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
  507. int cbSize = avio_rl16(pb); /* cbSize */
  508. size -= 18;
  509. cbSize = FFMIN(size, cbSize);
  510. if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
  511. ff_asf_guid subformat;
  512. codec->bits_per_coded_sample = avio_rl16(pb);
  513. codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
  514. ff_get_guid(pb, &subformat);
  515. if (!memcmp(subformat + 4, (const uint8_t[]){FF_MEDIASUBTYPE_BASE_GUID}, 12)) {
  516. codec->codec_tag = AV_RL32(subformat);
  517. codec->codec_id = ff_wav_codec_get_id(codec->codec_tag, codec->bits_per_coded_sample);
  518. } else {
  519. codec->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
  520. if (!codec->codec_id)
  521. av_log(codec, AV_LOG_WARNING, "unknown subformat:"FF_PRI_GUID"\n", FF_ARG_GUID(subformat));
  522. }
  523. cbSize -= 22;
  524. size -= 22;
  525. }
  526. codec->extradata_size = cbSize;
  527. if (cbSize > 0) {
  528. av_free(codec->extradata);
  529. codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
  530. if (!codec->extradata)
  531. return AVERROR(ENOMEM);
  532. avio_read(pb, codec->extradata, codec->extradata_size);
  533. size -= cbSize;
  534. }
  535. /* It is possible for the chunk to contain garbage at the end */
  536. if (size > 0)
  537. avio_skip(pb, size);
  538. }
  539. if (codec->codec_id == CODEC_ID_AAC_LATM) {
  540. /* channels and sample_rate values are those prior to applying SBR and/or PS */
  541. codec->channels = 0;
  542. codec->sample_rate = 0;
  543. }
  544. return 0;
  545. }
  546. enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
  547. {
  548. enum CodecID id;
  549. id = ff_codec_get_id(ff_codec_wav_tags, tag);
  550. if (id <= 0)
  551. return id;
  552. /* handle specific u8 codec */
  553. if (id == CODEC_ID_PCM_S16LE && bps == 8)
  554. id = CODEC_ID_PCM_U8;
  555. if (id == CODEC_ID_PCM_S16LE && bps == 24)
  556. id = CODEC_ID_PCM_S24LE;
  557. if (id == CODEC_ID_PCM_S16LE && bps == 32)
  558. id = CODEC_ID_PCM_S32LE;
  559. if (id == CODEC_ID_PCM_F32LE && bps == 64)
  560. id = CODEC_ID_PCM_F64LE;
  561. if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
  562. id = CODEC_ID_PCM_ZORK;
  563. return id;
  564. }
  565. int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
  566. {
  567. int tag1;
  568. avio_rl32(pb); /* size */
  569. st->codec->width = avio_rl32(pb);
  570. st->codec->height = (int32_t)avio_rl32(pb);
  571. avio_rl16(pb); /* planes */
  572. st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
  573. tag1 = avio_rl32(pb);
  574. avio_rl32(pb); /* ImageSize */
  575. avio_rl32(pb); /* XPelsPerMeter */
  576. avio_rl32(pb); /* YPelsPerMeter */
  577. avio_rl32(pb); /* ClrUsed */
  578. avio_rl32(pb); /* ClrImportant */
  579. return tag1;
  580. }
  581. #endif // CONFIG_DEMUXERS
  582. void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
  583. {
  584. int gcd;
  585. *au_ssize= stream->block_align;
  586. if(stream->frame_size && stream->sample_rate){
  587. *au_scale=stream->frame_size;
  588. *au_rate= stream->sample_rate;
  589. }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
  590. stream->codec_type == AVMEDIA_TYPE_DATA ||
  591. stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
  592. *au_scale= stream->time_base.num;
  593. *au_rate = stream->time_base.den;
  594. }else{
  595. *au_scale= stream->block_align ? stream->block_align*8 : 8;
  596. *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
  597. }
  598. gcd= av_gcd(*au_scale, *au_rate);
  599. *au_scale /= gcd;
  600. *au_rate /= gcd;
  601. }
  602. void ff_get_guid(AVIOContext *s, ff_asf_guid *g)
  603. {
  604. assert(sizeof(*g) == 16);
  605. avio_read(s, *g, sizeof(*g));
  606. }
  607. enum CodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
  608. {
  609. int i;
  610. for (i = 0; guids[i].id != CODEC_ID_NONE; i++) {
  611. if (!ff_guidcmp(guids[i].guid, guid))
  612. return guids[i].id;
  613. }
  614. return CODEC_ID_NONE;
  615. }