/*
- * RIFF codec tags
+ * RIFF common functions and data
* Copyright (c) 2000 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/mathematics.h"
#include "libavcodec/avcodec.h"
#include "avformat.h"
+#include "avio_internal.h"
#include "riff.h"
#include "libavcodec/bytestream.h"
/* Note: when encoding, the first matching tag is used, so order is
important if multiple tags possible for a given codec. */
const AVCodecTag ff_codec_bmp_tags[] = {
- { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
- { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
- { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
- { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
- { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
- { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
- { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
- { CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
- { CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
- { CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
- { CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
- { CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
- { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
- { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
- { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
- { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
- { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
- { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
- { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
- { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
- { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
- { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
- { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
- { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
- { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
- { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
- { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
- { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
- { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
- { CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
- { CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
- { CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
- { CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
- { CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
- { CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
- { CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
- { CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
- { CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
- { CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
- { CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
- { CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
- { CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
- { CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
- { CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
- { CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
- { CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
- { CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
- { CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
- { CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
- { CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
- { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') }, /* default signature when using MSMPEG4 */
- { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
- { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
- { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
- { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
- { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
- { CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
- { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
- { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
- { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
- { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
- { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
- { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
- { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
- { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
- { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
- { CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
- { CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
- { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
- { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
- { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
- { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
- { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
- { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
- { CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
- { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
- { CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
- { CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
- { CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
- { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
- { CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
- { CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
- { CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
- { CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
- { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
- { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
- { CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
- { CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
- { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
- { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
- { CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
- { CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
- { CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
- { CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
- { CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
- { CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
- { CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
- { CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
- { CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
- { CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
- { CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
- { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
- { CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
- { CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
- { CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
- { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
- { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
- { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
- { CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
- { CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
- { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
- { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
- { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
- { CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
- { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
- { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
- { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
- { CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
- { CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
- { CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
- { CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
- { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
- { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
- { CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
- { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
- { CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
- { CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
- { CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
- { CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
- { CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
- { CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
- { CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
- { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
- { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
- { CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
- { CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
- { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
- { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
- { CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
- { CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
- { CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
- { CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
- { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
- { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
- { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
- { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
- { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
- { CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
- { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
- { CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
- { CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
- { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
- { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
- { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
- { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
- { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
- { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
- { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
- { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
- { CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
- { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
- { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
- { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
- { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
- { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
- { CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
- { CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
- { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
- { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
- { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
- { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
- { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
- { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
- { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
- { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
- { CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
- { CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
- { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
- { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
- { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
- { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
- { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
- { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
- { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
- { CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
- { CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
- { CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
- { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
- { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
- { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
- { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
- { CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
- { CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
- { CODEC_ID_CLJR, MKTAG('c', 'l', 'j', 'r') },
- { CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
- { CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
- { CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
- { CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
- { CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
- { CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
- { CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
- { CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
- { CODEC_ID_NONE, 0 }
+ { AV_CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
+ { AV_CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
+ { AV_CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
+ { AV_CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
+ { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
+ { AV_CODEC_ID_H264, MKTAG('D', 'A', 'V', 'C') },
+ { AV_CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
+ { AV_CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
+ { AV_CODEC_ID_H263, MKTAG('X', '2', '6', '3') },
+ { AV_CODEC_ID_H263, MKTAG('T', '2', '6', '3') },
+ { AV_CODEC_ID_H263, MKTAG('L', '2', '6', '3') },
+ { AV_CODEC_ID_H263, MKTAG('V', 'X', '1', 'K') },
+ { AV_CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
+ { AV_CODEC_ID_H263, MKTAG('M', '2', '6', '3') },
+ { AV_CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
+ { AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
+ { AV_CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
+ { AV_CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
+ { AV_CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
+ { AV_CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4') },
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X') },
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0') },
+ { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
+ { AV_CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
+ { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
+ { AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
+ { AV_CODEC_ID_MPEG4, MKTAG('Z', 'M', 'P', '4') }, /* some broken avi use this */
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
+ { AV_CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
+ { AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
+ { AV_CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
+ { AV_CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
+ { AV_CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
+ { AV_CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
+ { AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
+ { AV_CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
+ { AV_CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
+ { AV_CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
+ { AV_CODEC_ID_MPEG4, MKTAG('M', 'V', 'X', 'M') },
+ { AV_CODEC_ID_MPEG4, MKTAG('P', 'M', '4', 'V') },
+ { AV_CODEC_ID_MPEG4, MKTAG('S', 'M', 'P', '4') },
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'X', 'G', 'M') },
+ { AV_CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
+ { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
+ { AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
+ { AV_CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
+ { AV_CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
+ { AV_CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
+ { AV_CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
+ { AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
+ { AV_CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
+ { AV_CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
+ { AV_CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
+ { AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
+ { AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
+ { AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') },
+ { AV_CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('D', 'V', 'X', '3') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
+ { AV_CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
+ { AV_CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
+ { AV_CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
+ { AV_CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
+ { AV_CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', '4', '1') },
+ { AV_CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
+ { AV_CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
+ { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
+ { AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') }, /* Canopus DV */
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
+ { AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'E', 'G') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('P', 'I', 'M', '2') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
+ { AV_CODEC_ID_MPEG1VIDEO, MKTAG( 1 , 0 , 0 , 16) },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG( 2 , 0 , 0 , 16) },
+ { AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
+ { AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
+ { AV_CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
+ { AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
+ { AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
+ { AV_CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
+ { AV_CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
+ { AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
+ { AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
+ { AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
+ { AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
+ { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
+ { AV_CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
+ { AV_CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
+ { AV_CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
+ { AV_CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
+ { AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
+ { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
+ { AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
+ { AV_CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
+ { AV_CODEC_ID_MJPEG, MKTAG('M', 'M', 'J', 'P') },
+ { AV_CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
+ { AV_CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
+ { AV_CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG( 0 , 0 , 0 , 0 ) },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG( 3 , 0 , 0 , 0 ) },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('V', '4', '2', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'N', 'V') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'V') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'N', 'Y') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('u', 'y', 'v', '1') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'V', 'u', '1') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('P', '4', '2', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '1', '6') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', '2', '4') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'Y', 'U', 'Y') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '8', '0', '0') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', 'B') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', 'B') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'V', '9') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
+ { AV_CODEC_ID_RAWVIDEO, MKTAG('a', 'u', 'v', '2') },
+ { AV_CODEC_ID_FRWU, MKTAG('F', 'R', 'W', 'U') },
+ { AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') },
+ { AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') },
+ { AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') },
+ { AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') },
+ { AV_CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
+ { AV_CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
+ { AV_CODEC_ID_INDEO4, MKTAG('I', 'V', '4', '1') },
+ { AV_CODEC_ID_INDEO5, MKTAG('I', 'V', '5', '0') },
+ { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
+ { AV_CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
+ { AV_CODEC_ID_VP5, MKTAG('V', 'P', '5', '0') },
+ { AV_CODEC_ID_VP6, MKTAG('V', 'P', '6', '0') },
+ { AV_CODEC_ID_VP6, MKTAG('V', 'P', '6', '1') },
+ { AV_CODEC_ID_VP6, MKTAG('V', 'P', '6', '2') },
+ { AV_CODEC_ID_VP6F, MKTAG('V', 'P', '6', 'F') },
+ { AV_CODEC_ID_VP6F, MKTAG('F', 'L', 'V', '4') },
+ { AV_CODEC_ID_VP8, MKTAG('V', 'P', '8', '0') },
+ { AV_CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
+ { AV_CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
+ { AV_CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
+ { AV_CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
+ { AV_CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
+ { AV_CODEC_ID_MIMIC, MKTAG('L', 'M', '2', '0') },
+ { AV_CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
+ { AV_CODEC_ID_MSRLE, MKTAG( 1 , 0 , 0 , 0 ) },
+ { AV_CODEC_ID_MSRLE, MKTAG( 2 , 0 , 0 , 0 ) },
+ { AV_CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
+ { AV_CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
+ { AV_CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
+ { AV_CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
+ { AV_CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
+ { AV_CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
+ { AV_CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
+ { AV_CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
+ { AV_CODEC_ID_TRUEMOTION1, MKTAG('P', 'V', 'E', 'Z') },
+ { AV_CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
+ { AV_CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
+ { AV_CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
+ { AV_CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
+ { AV_CODEC_ID_FLASHSV, MKTAG('F', 'S', 'V', '1') },
+ { AV_CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
+ { AV_CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
+ { AV_CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
+ { AV_CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
+ { AV_CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
+ { AV_CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
+ { AV_CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
+ { AV_CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
+ { AV_CODEC_ID_WMV3IMAGE, MKTAG('W', 'M', 'V', 'P') },
+ { AV_CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
+ { AV_CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
+ { AV_CODEC_ID_VC1IMAGE, MKTAG('W', 'V', 'P', '2') },
+ { AV_CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
+ { AV_CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
+ { AV_CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
+ { AV_CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
+ { AV_CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
+ { AV_CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
+ { AV_CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
+ { AV_CODEC_ID_CSCD, MKTAG('C', 'S', 'C', 'D') },
+ { AV_CODEC_ID_ZMBV, MKTAG('Z', 'M', 'B', 'V') },
+ { AV_CODEC_ID_KMVC, MKTAG('K', 'M', 'V', 'C') },
+ { AV_CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') },
+ { AV_CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') },
+ { AV_CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') },
+ { AV_CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'C') },
+ { AV_CODEC_ID_JPEG2000, MKTAG('L', 'J', '2', 'K') },
+ { AV_CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') },
+ { AV_CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') },
+ { AV_CODEC_ID_PNG, MKTAG('M', 'P', 'N', 'G') },
+ { AV_CODEC_ID_PNG, MKTAG('P', 'N', 'G', '1') },
+ { AV_CODEC_ID_CLJR, MKTAG('C', 'L', 'J', 'R') },
+ { AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
+ { AV_CODEC_ID_RPZA, MKTAG('a', 'z', 'p', 'r') },
+ { AV_CODEC_ID_RPZA, MKTAG('R', 'P', 'Z', 'A') },
+ { AV_CODEC_ID_RPZA, MKTAG('r', 'p', 'z', 'a') },
+ { AV_CODEC_ID_SP5X, MKTAG('S', 'P', '5', '4') },
+ { AV_CODEC_ID_AURA, MKTAG('A', 'U', 'R', 'A') },
+ { AV_CODEC_ID_AURA2, MKTAG('A', 'U', 'R', '2') },
+ { AV_CODEC_ID_DPX, MKTAG('d', 'p', 'x', ' ') },
+ { AV_CODEC_ID_KGV1, MKTAG('K', 'G', 'V', '1') },
+ { AV_CODEC_ID_LAGARITH, MKTAG('L', 'A', 'G', 'S') },
+ { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'A') },
+ { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'R', 'G') },
+ { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '0') },
+ { AV_CODEC_ID_UTVIDEO, MKTAG('U', 'L', 'Y', '2') },
+ { AV_CODEC_ID_VBLE, MKTAG('V', 'B', 'L', 'E') },
+ { AV_CODEC_ID_DXTORY, MKTAG('x', 't', 'o', 'r') },
+ { AV_CODEC_ID_ZEROCODEC, MKTAG('Z', 'E', 'C', 'O') },
+ { AV_CODEC_ID_MSS1, MKTAG('M', 'S', 'S', '1') },
+ { AV_CODEC_ID_MSA1, MKTAG('M', 'S', 'A', '1') },
+ { AV_CODEC_ID_TSCC2, MKTAG('T', 'S', 'C', '2') },
+ { AV_CODEC_ID_MTS2, MKTAG('M', 'T', 'S', '2') },
+ { AV_CODEC_ID_CLLC, MKTAG('C', 'L', 'L', 'C') },
+ { AV_CODEC_ID_MSS2, MKTAG('M', 'S', 'S', '2') },
+ { AV_CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
+ { AV_CODEC_ID_NONE, 0 }
};
const AVCodecTag ff_codec_wav_tags[] = {
- { CODEC_ID_PCM_S16LE, 0x0001 },
- { CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
- { CODEC_ID_PCM_S24LE, 0x0001 },
- { CODEC_ID_PCM_S32LE, 0x0001 },
- { CODEC_ID_ADPCM_MS, 0x0002 },
- { CODEC_ID_PCM_F32LE, 0x0003 },
- { CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
- { CODEC_ID_PCM_ALAW, 0x0006 },
- { CODEC_ID_PCM_MULAW, 0x0007 },
- { CODEC_ID_WMAVOICE, 0x000A },
- { CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
- { CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
- { CODEC_ID_ADPCM_YAMAHA, 0x0020 },
- { CODEC_ID_TRUESPEECH, 0x0022 },
- { CODEC_ID_GSM_MS, 0x0031 },
- { CODEC_ID_ADPCM_G726, 0x0045 },
- { CODEC_ID_MP2, 0x0050 },
- { CODEC_ID_MP3, 0x0055 },
- { CODEC_ID_AMR_NB, 0x0057 },
- { CODEC_ID_AMR_WB, 0x0058 },
- { CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
- { CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
- { CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
- { CODEC_ID_VOXWARE, 0x0075 },
- { CODEC_ID_AAC, 0x00ff },
- { CODEC_ID_SIPR, 0x0130 },
- { CODEC_ID_WMAV1, 0x0160 },
- { CODEC_ID_WMAV2, 0x0161 },
- { CODEC_ID_WMAPRO, 0x0162 },
- { CODEC_ID_WMALOSSLESS, 0x0163 },
- { CODEC_ID_ADPCM_CT, 0x0200 },
- { CODEC_ID_ATRAC3, 0x0270 },
- { CODEC_ID_IMC, 0x0401 },
- { CODEC_ID_AC3, 0x2000 },
- { CODEC_ID_DTS, 0x2001 },
- { CODEC_ID_SONIC, 0x2048 },
- { CODEC_ID_SONIC_LS, 0x2048 },
- { CODEC_ID_PCM_MULAW, 0x6c75 },
- { CODEC_ID_AAC, 0x706d },
- { CODEC_ID_AAC, 0x4143 },
- { CODEC_ID_FLAC, 0xF1AC },
- { CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
- { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
-
- /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
- // for NuppelVideo (nuv.c)
- { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
- { CODEC_ID_MP3, MKTAG('L', 'A', 'M', 'E') },
- { CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
- { CODEC_ID_NONE, 0 },
+ { AV_CODEC_ID_PCM_S16LE, 0x0001 },
+ { AV_CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
+ { AV_CODEC_ID_PCM_S24LE, 0x0001 },
+ { AV_CODEC_ID_PCM_S32LE, 0x0001 },
+ { AV_CODEC_ID_ADPCM_MS, 0x0002 },
+ { AV_CODEC_ID_PCM_F32LE, 0x0003 },
+ { AV_CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
+ { AV_CODEC_ID_PCM_ALAW, 0x0006 },
+ { AV_CODEC_ID_PCM_MULAW, 0x0007 },
+ { AV_CODEC_ID_WMAVOICE, 0x000A },
+ { AV_CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
+ { AV_CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
+ { AV_CODEC_ID_ADPCM_YAMAHA, 0x0020 },
+ { AV_CODEC_ID_TRUESPEECH, 0x0022 },
+ { AV_CODEC_ID_GSM_MS, 0x0031 },
+ { AV_CODEC_ID_ADPCM_G726, 0x0045 },
+ { AV_CODEC_ID_MP2, 0x0050 },
+ { AV_CODEC_ID_MP3, 0x0055 },
+ { AV_CODEC_ID_AMR_NB, 0x0057 },
+ { AV_CODEC_ID_AMR_WB, 0x0058 },
+ { AV_CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
+ { AV_CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
+ { AV_CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
+ { AV_CODEC_ID_VOXWARE, 0x0075 },
+ { AV_CODEC_ID_AAC, 0x00ff },
+ { AV_CODEC_ID_SIPR, 0x0130 },
+ { AV_CODEC_ID_WMAV1, 0x0160 },
+ { AV_CODEC_ID_WMAV2, 0x0161 },
+ { AV_CODEC_ID_WMAPRO, 0x0162 },
+ { AV_CODEC_ID_WMALOSSLESS, 0x0163 },
+ { AV_CODEC_ID_ADPCM_CT, 0x0200 },
+ { AV_CODEC_ID_ATRAC3, 0x0270 },
+ { AV_CODEC_ID_ADPCM_G722, 0x028F },
+ { AV_CODEC_ID_IMC, 0x0401 },
+ { AV_CODEC_ID_IAC, 0x0402 },
+ { AV_CODEC_ID_GSM_MS, 0x1500 },
+ { AV_CODEC_ID_TRUESPEECH, 0x1501 },
+ { AV_CODEC_ID_AAC, 0x1600 }, /* ADTS AAC */
+ { AV_CODEC_ID_AAC_LATM, 0x1602 },
+ { AV_CODEC_ID_AC3, 0x2000 },
+ { AV_CODEC_ID_DTS, 0x2001 },
+ { AV_CODEC_ID_PCM_MULAW, 0x6c75 },
+ { AV_CODEC_ID_AAC, 0x706d },
+ { AV_CODEC_ID_AAC, 0x4143 },
+ { AV_CODEC_ID_SPEEX, 0xA109 },
+ { AV_CODEC_ID_FLAC, 0xF1AC },
+ { AV_CODEC_ID_ADPCM_SWF, ('S'<<8)+'F' },
+ { AV_CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
+ { AV_CODEC_ID_NONE, 0 },
+};
+
+const AVMetadataConv ff_riff_info_conv[] = {
+ { "IART", "artist" },
+ { "ICMT", "comment" },
+ { "ICOP", "copyright" },
+ { "ICRD", "date" },
+ { "IGNR", "genre" },
+ { "ILNG", "language" },
+ { "INAM", "title" },
+ { "IPRD", "album" },
+ { "IPRT", "track" },
+ { "ISFT", "encoder" },
+ { "ITCH", "encoded_by"},
+ { 0 },
};
#if CONFIG_MUXERS
-int64_t ff_start_tag(ByteIOContext *pb, const char *tag)
+int64_t ff_start_tag(AVIOContext *pb, const char *tag)
{
- put_tag(pb, tag);
- put_le32(pb, 0);
- return url_ftell(pb);
+ ffio_wfourcc(pb, tag);
+ avio_wl32(pb, 0);
+ return avio_tell(pb);
}
-void ff_end_tag(ByteIOContext *pb, int64_t start)
+void ff_end_tag(AVIOContext *pb, int64_t start)
{
int64_t pos;
- pos = url_ftell(pb);
- url_fseek(pb, start - 4, SEEK_SET);
- put_le32(pb, (uint32_t)(pos - start));
- url_fseek(pb, pos, SEEK_SET);
+ pos = avio_tell(pb);
+ avio_seek(pb, start - 4, SEEK_SET);
+ avio_wl32(pb, (uint32_t)(pos - start));
+ avio_seek(pb, pos, SEEK_SET);
}
/* WAVEFORMATEX header */
/* returns the size or -1 on error */
-int ff_put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
+int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
{
- int bps, blkalign, bytespersec;
+ int bps, blkalign, bytespersec, frame_size;
int hdrsize = 18;
int waveformatextensible;
uint8_t temp[256];
if(!enc->codec_tag || enc->codec_tag > 0xffff)
return -1;
+
+ /* We use the known constant frame size for the codec if known, otherwise
+ fallback to using AVCodecContext.frame_size, which is not as reliable
+ for indicating packet duration */
+ frame_size = av_get_audio_frame_duration(enc, 0);
+ if (!frame_size)
+ frame_size = enc->frame_size;
+
waveformatextensible = (enc->channels > 2 && enc->channel_layout)
|| enc->sample_rate > 48000
|| av_get_bits_per_sample(enc->codec_id) > 16;
if (waveformatextensible) {
- put_le16(pb, 0xfffe);
+ avio_wl16(pb, 0xfffe);
} else {
- put_le16(pb, enc->codec_tag);
+ avio_wl16(pb, enc->codec_tag);
}
- put_le16(pb, enc->channels);
- put_le32(pb, enc->sample_rate);
- if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
+ avio_wl16(pb, enc->channels);
+ avio_wl32(pb, enc->sample_rate);
+ if (enc->codec_id == AV_CODEC_ID_MP2 || enc->codec_id == AV_CODEC_ID_MP3 || enc->codec_id == AV_CODEC_ID_GSM_MS) {
bps = 0;
- } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
- bps = 4;
} else {
- if (!(bps = av_get_bits_per_sample(enc->codec_id)))
- bps = 16; // default to 16
+ if (!(bps = av_get_bits_per_sample(enc->codec_id))) {
+ if (enc->bits_per_coded_sample)
+ bps = enc->bits_per_coded_sample;
+ else
+ bps = 16; // default to 16
+ }
}
if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
}
- if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_AC3) {
- blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
+ if (enc->codec_id == AV_CODEC_ID_MP2 || enc->codec_id == AV_CODEC_ID_MP3) {
+ /* this is wrong, but it seems many demuxers do not work if this is set
+ correctly */
+ blkalign = frame_size;
//blkalign = 144 * enc->bit_rate/enc->sample_rate;
- } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
- blkalign = 1;
+ } else if (enc->codec_id == AV_CODEC_ID_AC3) {
+ blkalign = 3840; //maximum bytes per frame
} else if (enc->block_align != 0) { /* specified by the codec */
blkalign = enc->block_align;
} else
- blkalign = enc->channels*bps >> 3;
- if (enc->codec_id == CODEC_ID_PCM_U8 ||
- enc->codec_id == CODEC_ID_PCM_S24LE ||
- enc->codec_id == CODEC_ID_PCM_S32LE ||
- enc->codec_id == CODEC_ID_PCM_F32LE ||
- enc->codec_id == CODEC_ID_PCM_F64LE ||
- enc->codec_id == CODEC_ID_PCM_S16LE) {
+ blkalign = bps * enc->channels / av_gcd(8, bps);
+ if (enc->codec_id == AV_CODEC_ID_PCM_U8 ||
+ enc->codec_id == AV_CODEC_ID_PCM_S24LE ||
+ enc->codec_id == AV_CODEC_ID_PCM_S32LE ||
+ enc->codec_id == AV_CODEC_ID_PCM_F32LE ||
+ enc->codec_id == AV_CODEC_ID_PCM_F64LE ||
+ enc->codec_id == AV_CODEC_ID_PCM_S16LE) {
bytespersec = enc->sample_rate * blkalign;
} else {
bytespersec = enc->bit_rate / 8;
}
- put_le32(pb, bytespersec); /* bytes per second */
- put_le16(pb, blkalign); /* block align */
- put_le16(pb, bps); /* bits per sample */
- if (enc->codec_id == CODEC_ID_MP3) {
+ avio_wl32(pb, bytespersec); /* bytes per second */
+ avio_wl16(pb, blkalign); /* block align */
+ avio_wl16(pb, bps); /* bits per sample */
+ if (enc->codec_id == AV_CODEC_ID_MP3) {
hdrsize += 12;
bytestream_put_le16(&riff_extradata, 1); /* wID */
bytestream_put_le32(&riff_extradata, 2); /* fdwFlags */
bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
bytestream_put_le16(&riff_extradata, 1); /* nFramesPerBlock */
bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
- } else if (enc->codec_id == CODEC_ID_MP2) {
+ } else if (enc->codec_id == AV_CODEC_ID_MP2) {
hdrsize += 22;
bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
- } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ } else if (enc->codec_id == AV_CODEC_ID_GSM_MS || enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
hdrsize += 2;
- bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
+ bytestream_put_le16(&riff_extradata, frame_size); /* wSamplesPerBlock */
} else if(enc->extradata_size){
riff_extradata_start= enc->extradata;
riff_extradata= enc->extradata + enc->extradata_size;
hdrsize += enc->extradata_size;
- } else if (!waveformatextensible){
- hdrsize -= 2;
}
if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
hdrsize += 22;
- put_le16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
- put_le16(pb, enc->bits_per_coded_sample); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
- put_le32(pb, enc->channel_layout); /* dwChannelMask */
- put_le32(pb, enc->codec_tag); /* GUID + next 3 */
- put_le32(pb, 0x00100000);
- put_le32(pb, 0xAA000080);
- put_le32(pb, 0x719B3800);
- } else if(riff_extradata - riff_extradata_start) {
- put_le16(pb, riff_extradata - riff_extradata_start);
+ avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
+ avio_wl16(pb, bps); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
+ avio_wl32(pb, enc->channel_layout); /* dwChannelMask */
+ avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */
+ avio_wl32(pb, 0x00100000);
+ avio_wl32(pb, 0xAA000080);
+ avio_wl32(pb, 0x719B3800);
+ } else {
+ avio_wl16(pb, riff_extradata - riff_extradata_start); /* cbSize */
}
- put_buffer(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
+ avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
if(hdrsize&1){
hdrsize++;
- put_byte(pb, 0);
+ avio_w8(pb, 0);
}
return hdrsize;
}
/* BITMAPINFOHEADER header */
-void ff_put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
+void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
{
- put_le32(pb, 40 + enc->extradata_size); /* size */
- put_le32(pb, enc->width);
+ avio_wl32(pb, 40 + enc->extradata_size); /* size */
+ avio_wl32(pb, enc->width);
//We always store RGB TopDown
- put_le32(pb, enc->codec_tag ? enc->height : -enc->height);
- put_le16(pb, 1); /* planes */
+ avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
+ avio_wl16(pb, 1); /* planes */
- put_le16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
+ avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
/* compression type */
- put_le32(pb, enc->codec_tag);
- put_le32(pb, enc->width * enc->height * 3);
- put_le32(pb, 0);
- put_le32(pb, 0);
- put_le32(pb, 0);
- put_le32(pb, 0);
+ avio_wl32(pb, enc->codec_tag);
+ avio_wl32(pb, enc->width * enc->height * 3);
+ avio_wl32(pb, 0);
+ avio_wl32(pb, 0);
+ avio_wl32(pb, 0);
+ avio_wl32(pb, 0);
+
+ avio_write(pb, enc->extradata, enc->extradata_size);
+
+ if (!for_asf && enc->extradata_size & 1)
+ avio_w8(pb, 0);
+}
+
+void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
+{
+ int gcd;
+ int audio_frame_size;
+
+ /* We use the known constant frame size for the codec if known, otherwise
+ fallback to using AVCodecContext.frame_size, which is not as reliable
+ for indicating packet duration */
+ audio_frame_size = av_get_audio_frame_duration(stream, 0);
+ if (!audio_frame_size)
+ audio_frame_size = stream->frame_size;
+
+ *au_ssize= stream->block_align;
+ if (audio_frame_size && stream->sample_rate) {
+ *au_scale = audio_frame_size;
+ *au_rate= stream->sample_rate;
+ }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
+ stream->codec_type == AVMEDIA_TYPE_DATA ||
+ stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
+ *au_scale= stream->time_base.num;
+ *au_rate = stream->time_base.den;
+ }else{
+ *au_scale= stream->block_align ? stream->block_align*8 : 8;
+ *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
+ }
+ gcd= av_gcd(*au_scale, *au_rate);
+ *au_scale /= gcd;
+ *au_rate /= gcd;
+}
+
+void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str)
+{
+ int len = strlen(str);
+ if (len > 0) {
+ len++;
+ ffio_wfourcc(pb, tag);
+ avio_wl32(pb, len);
+ avio_put_str(pb, str);
+ if (len & 1)
+ avio_w8(pb, 0);
+ }
+}
+
+static const char riff_tags[][5] = {
+ "IARL", "IART", "ICMS", "ICMT", "ICOP", "ICRD", "ICRP", "IDIM", "IDPI",
+ "IENG", "IGNR", "IKEY", "ILGT", "ILNG", "IMED", "INAM", "IPLT", "IPRD",
+ "IPRT", "ISBJ", "ISFT", "ISHP", "ISRC", "ISRF", "ITCH",
+ {0}
+};
+
+static int riff_has_valid_tags(AVFormatContext *s)
+{
+ int i;
- put_buffer(pb, enc->extradata, enc->extradata_size);
+ for (i = 0; *riff_tags[i]; i++) {
+ if (av_dict_get(s->metadata, riff_tags[i], NULL, AV_DICT_MATCH_CASE))
+ return 1;
+ }
- if (enc->extradata_size & 1)
- put_byte(pb, 0);
+ return 0;
+}
+
+void ff_riff_write_info(AVFormatContext *s)
+{
+ AVIOContext *pb = s->pb;
+ int i;
+ int64_t list_pos;
+ AVDictionaryEntry *t = NULL;
+
+ ff_metadata_conv(&s->metadata, ff_riff_info_conv, NULL);
+
+ /* writing empty LIST is not nice and may cause problems */
+ if (!riff_has_valid_tags(s))
+ return;
+
+ list_pos = ff_start_tag(pb, "LIST");
+ ffio_wfourcc(pb, "INFO");
+ for (i = 0; *riff_tags[i]; i++) {
+ if ((t = av_dict_get(s->metadata, riff_tags[i], NULL, AV_DICT_MATCH_CASE)))
+ ff_riff_write_info_tag(s->pb, t->key, t->value);
+ }
+ ff_end_tag(pb, list_pos);
}
#endif //CONFIG_MUXERS
* WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
* an openended structure.
*/
-void ff_get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size)
+int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
{
int id;
- id = get_le16(pb);
- codec->codec_type = CODEC_TYPE_AUDIO;
+ id = avio_rl16(pb);
+ codec->codec_type = AVMEDIA_TYPE_AUDIO;
codec->codec_tag = id;
- codec->channels = get_le16(pb);
- codec->sample_rate = get_le32(pb);
- codec->bit_rate = get_le32(pb) * 8;
- codec->block_align = get_le16(pb);
+ codec->channels = avio_rl16(pb);
+ codec->sample_rate = avio_rl32(pb);
+ codec->bit_rate = avio_rl32(pb) * 8;
+ codec->block_align = avio_rl16(pb);
if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
codec->bits_per_coded_sample = 8;
}else
- codec->bits_per_coded_sample = get_le16(pb);
+ codec->bits_per_coded_sample = avio_rl16(pb);
if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
- int cbSize = get_le16(pb); /* cbSize */
+ int cbSize = avio_rl16(pb); /* cbSize */
size -= 18;
cbSize = FFMIN(size, cbSize);
if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
- codec->bits_per_coded_sample = get_le16(pb);
- codec->channel_layout = get_le32(pb); /* dwChannelMask */
- id = get_le32(pb); /* 4 first bytes of GUID */
- url_fskip(pb, 12); /* skip end of GUID */
+ codec->bits_per_coded_sample = avio_rl16(pb);
+ codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
+ id = avio_rl32(pb); /* 4 first bytes of GUID */
+ avio_skip(pb, 12); /* skip end of GUID */
cbSize -= 22;
size -= 22;
}
codec->extradata_size = cbSize;
if (cbSize > 0) {
+ av_free(codec->extradata);
codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
- get_buffer(pb, codec->extradata, codec->extradata_size);
+ if (!codec->extradata)
+ return AVERROR(ENOMEM);
+ avio_read(pb, codec->extradata, codec->extradata_size);
size -= cbSize;
}
/* It is possible for the chunk to contain garbage at the end */
if (size > 0)
- url_fskip(pb, size);
+ avio_skip(pb, size);
}
codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
+ if (codec->codec_id == AV_CODEC_ID_AAC_LATM) {
+ /* channels and sample_rate values are those prior to applying SBR and/or PS */
+ codec->channels = 0;
+ codec->sample_rate = 0;
+ }
+ /* override bits_per_coded_sample for G.726 */
+ if (codec->codec_id == AV_CODEC_ID_ADPCM_G726)
+ codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate;
+
+ return 0;
}
-enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
+enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
{
- enum CodecID id;
+ enum AVCodecID id;
id = ff_codec_get_id(ff_codec_wav_tags, tag);
if (id <= 0)
return id;
- /* handle specific u8 codec */
- if (id == CODEC_ID_PCM_S16LE && bps == 8)
- id = CODEC_ID_PCM_U8;
- if (id == CODEC_ID_PCM_S16LE && bps == 24)
- id = CODEC_ID_PCM_S24LE;
- if (id == CODEC_ID_PCM_S16LE && bps == 32)
- id = CODEC_ID_PCM_S32LE;
- if (id == CODEC_ID_PCM_F32LE && bps == 64)
- id = CODEC_ID_PCM_F64LE;
- if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
- id = CODEC_ID_PCM_ZORK;
+
+ if (id == AV_CODEC_ID_PCM_S16LE)
+ id = ff_get_pcm_codec_id(bps, 0, 0, ~1);
+ else if (id == AV_CODEC_ID_PCM_F32LE)
+ id = ff_get_pcm_codec_id(bps, 1, 0, 0);
+
+ if (id == AV_CODEC_ID_ADPCM_IMA_WAV && bps == 8)
+ id = AV_CODEC_ID_PCM_ZORK;
return id;
}
-#endif // CONFIG_DEMUXERS
-void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
+int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
{
- int gcd;
+ int tag1;
+ avio_rl32(pb); /* size */
+ st->codec->width = avio_rl32(pb);
+ st->codec->height = (int32_t)avio_rl32(pb);
+ avio_rl16(pb); /* planes */
+ st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
+ tag1 = avio_rl32(pb);
+ avio_rl32(pb); /* ImageSize */
+ avio_rl32(pb); /* XPelsPerMeter */
+ avio_rl32(pb); /* YPelsPerMeter */
+ avio_rl32(pb); /* ClrUsed */
+ avio_rl32(pb); /* ClrImportant */
+ return tag1;
+}
- *au_ssize= stream->block_align;
- if(stream->frame_size && stream->sample_rate){
- *au_scale=stream->frame_size;
- *au_rate= stream->sample_rate;
- }else if(stream->codec_type == CODEC_TYPE_VIDEO ||
- stream->codec_type == CODEC_TYPE_SUBTITLE){
- *au_scale= stream->time_base.num;
- *au_rate = stream->time_base.den;
- }else{
- *au_scale= stream->block_align ? stream->block_align*8 : 8;
- *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
+int ff_read_riff_info(AVFormatContext *s, int64_t size)
+{
+ int64_t start, end, cur;
+ AVIOContext *pb = s->pb;
+
+ start = avio_tell(pb);
+ end = start + size;
+
+ while ((cur = avio_tell(pb)) >= 0 && cur <= end - 8 /* = tag + size */) {
+ uint32_t chunk_code;
+ int64_t chunk_size;
+ char key[5] = {0};
+ char *value;
+
+ chunk_code = avio_rl32(pb);
+ chunk_size = avio_rl32(pb);
+
+ if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
+ av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
+ break;
+ }
+
+ chunk_size += (chunk_size & 1);
+
+ if (!chunk_code) {
+ if (chunk_size)
+ avio_skip(pb, chunk_size);
+ continue;
+ }
+
+ value = av_malloc(chunk_size + 1);
+ if (!value) {
+ av_log(s, AV_LOG_ERROR, "out of memory, unable to read INFO tag\n");
+ return AVERROR(ENOMEM);
+ }
+
+ AV_WL32(key, chunk_code);
+
+ if (avio_read(pb, value, chunk_size) != chunk_size) {
+ av_free(value);
+ av_log(s, AV_LOG_WARNING, "premature end of file while reading INFO tag\n");
+ break;
+ }
+
+ value[chunk_size] = 0;
+
+ av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL);
}
- gcd= av_gcd(*au_scale, *au_rate);
- *au_scale /= gcd;
- *au_rate /= gcd;
+
+ return 0;
}
+#endif // CONFIG_DEMUXERS
projects / ffmpeg / blobdiff