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ffmpeg / libavformat / riff.c @ aa9380c8

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/*
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 * RIFF codec tags
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 * Copyright (c) 2000 Fabrice Bellard
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "libavcodec/avcodec.h"
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#include "avformat.h"
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#include "avio_internal.h"
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#include "riff.h"
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#include "libavcodec/bytestream.h"
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/* Note: when encoding, the first matching tag is used, so order is
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   important if multiple tags possible for a given codec. */
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const AVCodecTag ff_codec_bmp_tags[] = {
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    { CODEC_ID_H264,         MKTAG('H', '2', '6', '4') },
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    { CODEC_ID_H264,         MKTAG('h', '2', '6', '4') },
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    { CODEC_ID_H264,         MKTAG('X', '2', '6', '4') },
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    { CODEC_ID_H264,         MKTAG('x', '2', '6', '4') },
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    { CODEC_ID_H264,         MKTAG('a', 'v', 'c', '1') },
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    { CODEC_ID_H264,         MKTAG('V', 'S', 'S', 'H') },
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    { CODEC_ID_H263,         MKTAG('H', '2', '6', '3') },
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    { CODEC_ID_H263,         MKTAG('X', '2', '6', '3') },
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    { CODEC_ID_H263,         MKTAG('T', '2', '6', '3') },
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    { CODEC_ID_H263,         MKTAG('L', '2', '6', '3') },
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    { CODEC_ID_H263,         MKTAG('V', 'X', '1', 'K') },
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    { CODEC_ID_H263,         MKTAG('Z', 'y', 'G', 'o') },
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    { CODEC_ID_H263P,        MKTAG('H', '2', '6', '3') },
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    { CODEC_ID_H263I,        MKTAG('I', '2', '6', '3') }, /* intel h263 */
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    { CODEC_ID_H261,         MKTAG('H', '2', '6', '1') },
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    { CODEC_ID_H263P,        MKTAG('U', '2', '6', '3') },
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    { CODEC_ID_H263P,        MKTAG('v', 'i', 'v', '1') },
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    { CODEC_ID_MPEG4,        MKTAG('F', 'M', 'P', '4') },
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    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'V', 'X') },
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    { CODEC_ID_MPEG4,        MKTAG('D', 'X', '5', '0') },
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    { CODEC_ID_MPEG4,        MKTAG('X', 'V', 'I', 'D') },
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    { CODEC_ID_MPEG4,        MKTAG('M', 'P', '4', 'S') },
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    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'S', '2') },
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    { CODEC_ID_MPEG4,        MKTAG( 4 ,  0 ,  0 ,  0 ) }, /* some broken avi use this */
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    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'V', '1') },
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    { CODEC_ID_MPEG4,        MKTAG('B', 'L', 'Z', '0') },
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    { CODEC_ID_MPEG4,        MKTAG('m', 'p', '4', 'v') },
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    { CODEC_ID_MPEG4,        MKTAG('U', 'M', 'P', '4') },
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    { CODEC_ID_MPEG4,        MKTAG('W', 'V', '1', 'F') },
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    { CODEC_ID_MPEG4,        MKTAG('S', 'E', 'D', 'G') },
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    { CODEC_ID_MPEG4,        MKTAG('R', 'M', 'P', '4') },
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    { CODEC_ID_MPEG4,        MKTAG('3', 'I', 'V', '2') },
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    { CODEC_ID_MPEG4,        MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
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    { CODEC_ID_MPEG4,        MKTAG('F', 'F', 'D', 'S') },
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    { CODEC_ID_MPEG4,        MKTAG('F', 'V', 'F', 'W') },
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    { CODEC_ID_MPEG4,        MKTAG('D', 'C', 'O', 'D') },
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    { CODEC_ID_MPEG4,        MKTAG('M', 'V', 'X', 'M') },
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    { CODEC_ID_MPEG4,        MKTAG('P', 'M', '4', 'V') },
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    { CODEC_ID_MPEG4,        MKTAG('S', 'M', 'P', '4') },
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    { CODEC_ID_MPEG4,        MKTAG('D', 'X', 'G', 'M') },
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    { CODEC_ID_MPEG4,        MKTAG('V', 'I', 'D', 'M') },
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    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'T', '3') },
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    { CODEC_ID_MPEG4,        MKTAG('G', 'E', 'O', 'X') },
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    { CODEC_ID_MPEG4,        MKTAG('H', 'D', 'X', '4') }, /* flipped video */
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    { CODEC_ID_MPEG4,        MKTAG('D', 'M', 'K', '2') },
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    { CODEC_ID_MPEG4,        MKTAG('D', 'I', 'G', 'I') },
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    { CODEC_ID_MPEG4,        MKTAG('I', 'N', 'M', 'C') },
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    { CODEC_ID_MPEG4,        MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
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    { CODEC_ID_MPEG4,        MKTAG('E', 'M', '4', 'A') },
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    { CODEC_ID_MPEG4,        MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
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    { CODEC_ID_MPEG4,        MKTAG('S', 'N', '4', '0') },
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    { CODEC_ID_MPEG4,        MKTAG('V', 'S', 'P', 'X') },
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    { CODEC_ID_MPEG4,        MKTAG('U', 'L', 'D', 'X') },
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    { CODEC_ID_MPEG4,        MKTAG('G', 'E', 'O', 'V') },
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    { CODEC_ID_MPEG4,        MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
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    { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', '4', '3') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '3') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', 'G', '3') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '5') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '6') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '4') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'V', 'X', '3') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('A', 'P', '4', '1') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('C', 'O', 'L', '1') },
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    { CODEC_ID_MSMPEG4V3,    MKTAG('C', 'O', 'L', '0') },
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    { CODEC_ID_MSMPEG4V2,    MKTAG('M', 'P', '4', '2') },
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    { CODEC_ID_MSMPEG4V2,    MKTAG('D', 'I', 'V', '2') },
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    { CODEC_ID_MSMPEG4V1,    MKTAG('M', 'P', 'G', '4') },
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    { CODEC_ID_MSMPEG4V1,    MKTAG('M', 'P', '4', '1') },
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    { CODEC_ID_WMV1,         MKTAG('W', 'M', 'V', '1') },
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    { CODEC_ID_WMV2,         MKTAG('W', 'M', 'V', '2') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 's', 'd') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', 'd') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', '1') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 's', 'l') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', '2', '5') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', '5', '0') },
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    { CODEC_ID_DVVIDEO,      MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
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    { CODEC_ID_DVVIDEO,      MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'c', ' ') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'c', 's') },
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    { CODEC_ID_DVVIDEO,      MKTAG('d', 'v', 'h', '1') },
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    { CODEC_ID_MPEG1VIDEO,   MKTAG('m', 'p', 'g', '1') },
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    { CODEC_ID_MPEG1VIDEO,   MKTAG('m', 'p', 'g', '2') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('m', 'p', 'g', '2') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', 'P', 'E', 'G') },
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    { CODEC_ID_MPEG1VIDEO,   MKTAG('P', 'I', 'M', '1') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('P', 'I', 'M', '2') },
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    { CODEC_ID_MPEG1VIDEO,   MKTAG('V', 'C', 'R', '2') },
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    { CODEC_ID_MPEG1VIDEO,   MKTAG( 1 ,  0 ,  0 ,  16) },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG( 2 ,  0 ,  0 ,  16) },
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    { CODEC_ID_MPEG4,        MKTAG( 4 ,  0 ,  0 ,  16) },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('D', 'V', 'R', ' ') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', 'M', 'E', 'S') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('s', 'l', 'i', 'f') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('E', 'M', '2', 'V') },
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    { CODEC_ID_MPEG2VIDEO,   MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
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    { CODEC_ID_MJPEG,        MKTAG('M', 'J', 'P', 'G') },
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    { CODEC_ID_MJPEG,        MKTAG('L', 'J', 'P', 'G') },
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    { CODEC_ID_MJPEG,        MKTAG('d', 'm', 'b', '1') },
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    { CODEC_ID_MJPEG,        MKTAG('m', 'j', 'p', 'a') },
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    { CODEC_ID_LJPEG,        MKTAG('L', 'J', 'P', 'G') },
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    { CODEC_ID_MJPEG,        MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
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    { CODEC_ID_JPEGLS,       MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
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    { CODEC_ID_JPEGLS,       MKTAG('M', 'J', 'P', 'G') },
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    { CODEC_ID_MJPEG,        MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
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    { CODEC_ID_MJPEG,        MKTAG('j', 'p', 'e', 'g') },
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    { CODEC_ID_MJPEG,        MKTAG('I', 'J', 'P', 'G') },
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    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'R', 'n') },
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    { CODEC_ID_MJPEG,        MKTAG('A', 'C', 'D', 'V') },
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    { CODEC_ID_MJPEG,        MKTAG('Q', 'I', 'V', 'G') },
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    { CODEC_ID_MJPEG,        MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
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    { CODEC_ID_MJPEG,        MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
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    { CODEC_ID_MJPEG,        MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
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    { CODEC_ID_MJPEG,        MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
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    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'I', '1') },
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    { CODEC_ID_MJPEG,        MKTAG('A', 'V', 'I', '2') },
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    { CODEC_ID_MJPEG,        MKTAG('M', 'T', 'S', 'J') },
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    { CODEC_ID_MJPEG,        MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
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    { CODEC_ID_HUFFYUV,      MKTAG('H', 'F', 'Y', 'U') },
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    { CODEC_ID_FFVHUFF,      MKTAG('F', 'F', 'V', 'H') },
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    { CODEC_ID_CYUV,         MKTAG('C', 'Y', 'U', 'V') },
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    { CODEC_ID_RAWVIDEO,     MKTAG( 0 ,  0 ,  0 ,  0 ) },
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    { CODEC_ID_RAWVIDEO,     MKTAG( 3 ,  0 ,  0 ,  0 ) },
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    { CODEC_ID_RAWVIDEO,     MKTAG('I', '4', '2', '0') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'U', 'Y', '2') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '2', '2') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('V', '4', '2', '2') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'U', 'N', 'V') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'N', 'V') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'N', 'Y') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('u', 'y', 'v', '1') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('2', 'V', 'u', '1') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('2', 'v', 'u', 'y') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('y', 'u', 'v', 's') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('P', '4', '2', '2') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', '1', '2') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('U', 'Y', 'V', 'Y') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('V', 'Y', 'U', 'Y') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('I', 'Y', 'U', 'V') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '8', '0', '0') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('H', 'D', 'Y', 'C') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', 'U', '9') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '1', '1') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('N', 'V', '1', '2') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('N', 'V', '2', '1') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '1', 'B') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '2', 'B') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'U', 'V', '9') },
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    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', 'U', '9') },
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    { CODEC_ID_FRWU,         MKTAG('F', 'R', 'W', 'U') },
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    { CODEC_ID_R10K,         MKTAG('R', '1', '0', 'k') },
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    { CODEC_ID_R210,         MKTAG('r', '2', '1', '0') },
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    { CODEC_ID_V210,         MKTAG('v', '2', '1', '0') },
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    { CODEC_ID_INDEO3,       MKTAG('I', 'V', '3', '1') },
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    { CODEC_ID_INDEO3,       MKTAG('I', 'V', '3', '2') },
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    { CODEC_ID_INDEO4,       MKTAG('I', 'V', '4', '1') },
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    { CODEC_ID_INDEO5,       MKTAG('I', 'V', '5', '0') },
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    { CODEC_ID_VP3,          MKTAG('V', 'P', '3', '1') },
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    { CODEC_ID_VP3,          MKTAG('V', 'P', '3', '0') },
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    { CODEC_ID_VP5,          MKTAG('V', 'P', '5', '0') },
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    { CODEC_ID_VP6,          MKTAG('V', 'P', '6', '0') },
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    { CODEC_ID_VP6,          MKTAG('V', 'P', '6', '1') },
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    { CODEC_ID_VP6,          MKTAG('V', 'P', '6', '2') },
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    { CODEC_ID_VP6F,         MKTAG('V', 'P', '6', 'F') },
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    { CODEC_ID_VP6F,         MKTAG('F', 'L', 'V', '4') },
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    { CODEC_ID_VP8,          MKTAG('V', 'P', '8', '0') },
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    { CODEC_ID_ASV1,         MKTAG('A', 'S', 'V', '1') },
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    { CODEC_ID_ASV2,         MKTAG('A', 'S', 'V', '2') },
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    { CODEC_ID_VCR1,         MKTAG('V', 'C', 'R', '1') },
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    { CODEC_ID_FFV1,         MKTAG('F', 'F', 'V', '1') },
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    { CODEC_ID_XAN_WC4,      MKTAG('X', 'x', 'a', 'n') },
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    { CODEC_ID_MIMIC,        MKTAG('L', 'M', '2', '0') },
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    { CODEC_ID_MSRLE,        MKTAG('m', 'r', 'l', 'e') },
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    { CODEC_ID_MSRLE,        MKTAG( 1 ,  0 ,  0 ,  0 ) },
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    { CODEC_ID_MSRLE,        MKTAG( 2 ,  0 ,  0 ,  0 ) },
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    { CODEC_ID_MSVIDEO1,     MKTAG('M', 'S', 'V', 'C') },
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    { CODEC_ID_MSVIDEO1,     MKTAG('m', 's', 'v', 'c') },
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    { CODEC_ID_MSVIDEO1,     MKTAG('C', 'R', 'A', 'M') },
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    { CODEC_ID_MSVIDEO1,     MKTAG('c', 'r', 'a', 'm') },
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    { CODEC_ID_MSVIDEO1,     MKTAG('W', 'H', 'A', 'M') },
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    { CODEC_ID_MSVIDEO1,     MKTAG('w', 'h', 'a', 'm') },
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    { CODEC_ID_CINEPAK,      MKTAG('c', 'v', 'i', 'd') },
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    { CODEC_ID_TRUEMOTION1,  MKTAG('D', 'U', 'C', 'K') },
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    { CODEC_ID_TRUEMOTION1,  MKTAG('P', 'V', 'E', 'Z') },
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    { CODEC_ID_MSZH,         MKTAG('M', 'S', 'Z', 'H') },
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    { CODEC_ID_ZLIB,         MKTAG('Z', 'L', 'I', 'B') },
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    { CODEC_ID_SNOW,         MKTAG('S', 'N', 'O', 'W') },
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    { CODEC_ID_4XM,          MKTAG('4', 'X', 'M', 'V') },
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    { CODEC_ID_FLV1,         MKTAG('F', 'L', 'V', '1') },
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    { CODEC_ID_FLASHSV,      MKTAG('F', 'S', 'V', '1') },
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    { CODEC_ID_SVQ1,         MKTAG('s', 'v', 'q', '1') },
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    { CODEC_ID_TSCC,         MKTAG('t', 's', 'c', 'c') },
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    { CODEC_ID_ULTI,         MKTAG('U', 'L', 'T', 'I') },
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    { CODEC_ID_VIXL,         MKTAG('V', 'I', 'X', 'L') },
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    { CODEC_ID_QPEG,         MKTAG('Q', 'P', 'E', 'G') },
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    { CODEC_ID_QPEG,         MKTAG('Q', '1', '.', '0') },
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    { CODEC_ID_QPEG,         MKTAG('Q', '1', '.', '1') },
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    { CODEC_ID_WMV3,         MKTAG('W', 'M', 'V', '3') },
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    { CODEC_ID_WMV3,         MKTAG('W', 'M', 'V', 'P') },
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    { CODEC_ID_VC1,          MKTAG('W', 'V', 'C', '1') },
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    { CODEC_ID_VC1,          MKTAG('W', 'M', 'V', 'A') },
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    { CODEC_ID_LOCO,         MKTAG('L', 'O', 'C', 'O') },
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    { CODEC_ID_WNV1,         MKTAG('W', 'N', 'V', '1') },
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    { CODEC_ID_AASC,         MKTAG('A', 'A', 'S', 'C') },
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    { CODEC_ID_INDEO2,       MKTAG('R', 'T', '2', '1') },
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    { CODEC_ID_FRAPS,        MKTAG('F', 'P', 'S', '1') },
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    { CODEC_ID_THEORA,       MKTAG('t', 'h', 'e', 'o') },
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    { CODEC_ID_TRUEMOTION2,  MKTAG('T', 'M', '2', '0') },
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    { CODEC_ID_CSCD,         MKTAG('C', 'S', 'C', 'D') },
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    { CODEC_ID_ZMBV,         MKTAG('Z', 'M', 'B', 'V') },
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    { CODEC_ID_KMVC,         MKTAG('K', 'M', 'V', 'C') },
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    { CODEC_ID_CAVS,         MKTAG('C', 'A', 'V', 'S') },
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    { CODEC_ID_JPEG2000,     MKTAG('M', 'J', '2', 'C') },
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    { CODEC_ID_VMNC,         MKTAG('V', 'M', 'n', 'c') },
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    { CODEC_ID_TARGA,        MKTAG('t', 'g', 'a', ' ') },
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    { CODEC_ID_PNG,          MKTAG('M', 'P', 'N', 'G') },
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    { CODEC_ID_PNG,          MKTAG('P', 'N', 'G', '1') },
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    { CODEC_ID_CLJR,         MKTAG('c', 'l', 'j', 'r') },
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    { CODEC_ID_DIRAC,        MKTAG('d', 'r', 'a', 'c') },
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    { CODEC_ID_RPZA,         MKTAG('a', 'z', 'p', 'r') },
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    { CODEC_ID_RPZA,         MKTAG('R', 'P', 'Z', 'A') },
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    { CODEC_ID_RPZA,         MKTAG('r', 'p', 'z', 'a') },
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    { CODEC_ID_SP5X,         MKTAG('S', 'P', '5', '4') },
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    { CODEC_ID_AURA,         MKTAG('A', 'U', 'R', 'A') },
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    { CODEC_ID_AURA2,        MKTAG('A', 'U', 'R', '2') },
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    { CODEC_ID_DPX,          MKTAG('d', 'p', 'x', ' ') },
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    { CODEC_ID_KGV1,         MKTAG('K', 'G', 'V', '1') },
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    { CODEC_ID_LAGARITH,     MKTAG('L', 'A', 'G', 'S') },
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    { CODEC_ID_NONE,         0 }
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};
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const AVCodecTag ff_codec_wav_tags[] = {
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    { CODEC_ID_PCM_S16LE,       0x0001 },
267
    { CODEC_ID_PCM_U8,          0x0001 }, /* must come after s16le in this list */
268
    { CODEC_ID_PCM_S24LE,       0x0001 },
269
    { CODEC_ID_PCM_S32LE,       0x0001 },
270
    { CODEC_ID_ADPCM_MS,        0x0002 },
271
    { CODEC_ID_PCM_F32LE,       0x0003 },
272
    { CODEC_ID_PCM_F64LE,       0x0003 }, /* must come after f32le in this list */
273
    { CODEC_ID_PCM_ALAW,        0x0006 },
274
    { CODEC_ID_PCM_MULAW,       0x0007 },
275
    { CODEC_ID_WMAVOICE,        0x000A },
276
    { CODEC_ID_ADPCM_IMA_WAV,   0x0011 },
277
    { CODEC_ID_PCM_ZORK,        0x0011 }, /* must come after adpcm_ima_wav in this list */
278
    { CODEC_ID_ADPCM_YAMAHA,    0x0020 },
279
    { CODEC_ID_TRUESPEECH,      0x0022 },
280
    { CODEC_ID_GSM_MS,          0x0031 },
281
    { CODEC_ID_ADPCM_G726,      0x0045 },
282
    { CODEC_ID_MP2,             0x0050 },
283
    { CODEC_ID_MP3,             0x0055 },
284
    { CODEC_ID_AMR_NB,          0x0057 },
285
    { CODEC_ID_AMR_WB,          0x0058 },
286
    { CODEC_ID_ADPCM_IMA_DK4,   0x0061 },  /* rogue format number */
287
    { CODEC_ID_ADPCM_IMA_DK3,   0x0062 },  /* rogue format number */
288
    { CODEC_ID_ADPCM_IMA_WAV,   0x0069 },
289
    { CODEC_ID_VOXWARE,         0x0075 },
290
    { CODEC_ID_AAC,             0x00ff },
291
    { CODEC_ID_SIPR,            0x0130 },
292
    { CODEC_ID_WMAV1,           0x0160 },
293
    { CODEC_ID_WMAV2,           0x0161 },
294
    { CODEC_ID_WMAPRO,          0x0162 },
295
    { CODEC_ID_WMALOSSLESS,     0x0163 },
296
    { CODEC_ID_ADPCM_CT,        0x0200 },
297
    { CODEC_ID_ATRAC3,          0x0270 },
298
    { CODEC_ID_ADPCM_G722,      0x028F },
299
    { CODEC_ID_IMC,             0x0401 },
300
    { CODEC_ID_GSM_MS,          0x1500 },
301
    { CODEC_ID_TRUESPEECH,      0x1501 },
302
    { CODEC_ID_AAC,             0x1600 }, /* ADTS AAC */
303
    { CODEC_ID_AAC_LATM,        0x1602 },
304
    { CODEC_ID_AC3,             0x2000 },
305
    { CODEC_ID_DTS,             0x2001 },
306
    { CODEC_ID_SONIC,           0x2048 },
307
    { CODEC_ID_SONIC_LS,        0x2048 },
308
    { CODEC_ID_PCM_MULAW,       0x6c75 },
309
    { CODEC_ID_AAC,             0x706d },
310
    { CODEC_ID_AAC,             0x4143 },
311
    { CODEC_ID_FLAC,            0xF1AC },
312
    { CODEC_ID_ADPCM_SWF,       ('S'<<8)+'F' },
313
    { CODEC_ID_VORBIS,          ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
314

    
315
    /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
316
    // for NuppelVideo (nuv.c)
317
    { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
318
    { CODEC_ID_MP3,       MKTAG('L', 'A', 'M', 'E') },
319
    { CODEC_ID_MP3,       MKTAG('M', 'P', '3', ' ') },
320
    { CODEC_ID_NONE,      0 },
321
};
322

    
323
const AVCodecGuid ff_codec_wav_guids[] = {
324
    {CODEC_ID_AC3,        {0x2C,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA}},
325
    {CODEC_ID_EAC3,       {0xAF,0x87,0xFB,0xA7,0x02,0x2D,0xFB,0x42,0xA4,0xD4,0x05,0xCD,0x93,0x84,0x3B,0xDD}},
326
    {CODEC_ID_MP2,        {0x2B,0x80,0x6D,0xE0,0x46,0xDB,0xCF,0x11,0xB4,0xD1,0x00,0x80,0x5F,0x6C,0xBB,0xEA}},
327
    {CODEC_ID_NONE}
328
};
329

    
330
#if CONFIG_MUXERS
331
int64_t ff_start_tag(AVIOContext *pb, const char *tag)
332
{
333
    ffio_wfourcc(pb, tag);
334
    avio_wl32(pb, 0);
335
    return avio_tell(pb);
336
}
337

    
338
void ff_end_tag(AVIOContext *pb, int64_t start)
339
{
340
    int64_t pos;
341

    
342
    pos = avio_tell(pb);
343
    avio_seek(pb, start - 4, SEEK_SET);
344
    avio_wl32(pb, (uint32_t)(pos - start));
345
    avio_seek(pb, pos, SEEK_SET);
346
}
347

    
348
/* WAVEFORMATEX header */
349
/* returns the size or -1 on error */
350
int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
351
{
352
    int bps, blkalign, bytespersec;
353
    int hdrsize = 18;
354
    int waveformatextensible;
355
    uint8_t temp[256];
356
    uint8_t *riff_extradata= temp;
357
    uint8_t *riff_extradata_start= temp;
358

    
359
    if(!enc->codec_tag || enc->codec_tag > 0xffff)
360
        return -1;
361
    waveformatextensible =   (enc->channels > 2 && enc->channel_layout)
362
                          || enc->sample_rate > 48000
363
                          || av_get_bits_per_sample(enc->codec_id) > 16;
364

    
365
    if (waveformatextensible) {
366
        avio_wl16(pb, 0xfffe);
367
    } else {
368
        avio_wl16(pb, enc->codec_tag);
369
    }
370
    avio_wl16(pb, enc->channels);
371
    avio_wl32(pb, enc->sample_rate);
372
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
373
        bps = 0;
374
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
375
        bps = 4;
376
    } else {
377
        if (!(bps = av_get_bits_per_sample(enc->codec_id)))
378
            bps = 16; // default to 16
379
    }
380
    if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
381
        av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
382
    }
383

    
384
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
385
        blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
386
        //blkalign = 144 * enc->bit_rate/enc->sample_rate;
387
    } else if (enc->codec_id == CODEC_ID_AC3) {
388
            blkalign = 3840; //maximum bytes per frame
389
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
390
        blkalign = 1;
391
    } else if (enc->block_align != 0) { /* specified by the codec */
392
        blkalign = enc->block_align;
393
    } else
394
        blkalign = enc->channels*bps >> 3;
395
    if (enc->codec_id == CODEC_ID_PCM_U8 ||
396
        enc->codec_id == CODEC_ID_PCM_S24LE ||
397
        enc->codec_id == CODEC_ID_PCM_S32LE ||
398
        enc->codec_id == CODEC_ID_PCM_F32LE ||
399
        enc->codec_id == CODEC_ID_PCM_F64LE ||
400
        enc->codec_id == CODEC_ID_PCM_S16LE) {
401
        bytespersec = enc->sample_rate * blkalign;
402
    } else {
403
        bytespersec = enc->bit_rate / 8;
404
    }
405
    avio_wl32(pb, bytespersec); /* bytes per second */
406
    avio_wl16(pb, blkalign); /* block align */
407
    avio_wl16(pb, bps); /* bits per sample */
408
    if (enc->codec_id == CODEC_ID_MP3) {
409
        hdrsize += 12;
410
        bytestream_put_le16(&riff_extradata, 1);    /* wID */
411
        bytestream_put_le32(&riff_extradata, 2);    /* fdwFlags */
412
        bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
413
        bytestream_put_le16(&riff_extradata, 1);    /* nFramesPerBlock */
414
        bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
415
    } else if (enc->codec_id == CODEC_ID_MP2) {
416
        hdrsize += 22;
417
        bytestream_put_le16(&riff_extradata, 2);                          /* fwHeadLayer */
418
        bytestream_put_le32(&riff_extradata, enc->bit_rate);              /* dwHeadBitrate */
419
        bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
420
        bytestream_put_le16(&riff_extradata, 0);                          /* fwHeadModeExt */
421
        bytestream_put_le16(&riff_extradata, 1);                          /* wHeadEmphasis */
422
        bytestream_put_le16(&riff_extradata, 16);                         /* fwHeadFlags */
423
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSLow */
424
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSHigh */
425
    } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
426
        hdrsize += 2;
427
        bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
428
    } else if(enc->extradata_size){
429
        riff_extradata_start= enc->extradata;
430
        riff_extradata= enc->extradata + enc->extradata_size;
431
        hdrsize += enc->extradata_size;
432
    } else if (!waveformatextensible){
433
        hdrsize -= 2;
434
    }
435
    if(waveformatextensible) {                                    /* write WAVEFORMATEXTENSIBLE extensions */
436
        hdrsize += 22;
437
        avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
438
        avio_wl16(pb, enc->bits_per_coded_sample);                 /* ValidBitsPerSample || SamplesPerBlock || Reserved */
439
        avio_wl32(pb, enc->channel_layout);                        /* dwChannelMask */
440
        avio_wl32(pb, enc->codec_tag);                             /* GUID + next 3 */
441
        avio_wl32(pb, 0x00100000);
442
        avio_wl32(pb, 0xAA000080);
443
        avio_wl32(pb, 0x719B3800);
444
    } else if(riff_extradata - riff_extradata_start) {
445
        avio_wl16(pb, riff_extradata - riff_extradata_start);
446
    }
447
    avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
448
    if(hdrsize&1){
449
        hdrsize++;
450
        avio_w8(pb, 0);
451
    }
452

    
453
    return hdrsize;
454
}
455

    
456
/* BITMAPINFOHEADER header */
457
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
458
{
459
    avio_wl32(pb, 40 + enc->extradata_size); /* size */
460
    avio_wl32(pb, enc->width);
461
    //We always store RGB TopDown
462
    avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
463
    avio_wl16(pb, 1); /* planes */
464

    
465
    avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
466
    /* compression type */
467
    avio_wl32(pb, enc->codec_tag);
468
    avio_wl32(pb, enc->width * enc->height * 3);
469
    avio_wl32(pb, 0);
470
    avio_wl32(pb, 0);
471
    avio_wl32(pb, 0);
472
    avio_wl32(pb, 0);
473

    
474
    avio_write(pb, enc->extradata, enc->extradata_size);
475

    
476
    if (!for_asf && enc->extradata_size & 1)
477
        avio_w8(pb, 0);
478
}
479
#endif //CONFIG_MUXERS
480

    
481
#if CONFIG_DEMUXERS
482
/* We could be given one of the three possible structures here:
483
 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
484
 * is an expansion of the previous one with the fields added
485
 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
486
 * WAVEFORMATEX adds 'WORD  cbSize' and basically makes itself
487
 * an openended structure.
488
 */
489
void ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
490
{
491
    int id;
492

    
493
    id = avio_rl16(pb);
494
    codec->codec_type = AVMEDIA_TYPE_AUDIO;
495
    codec->channels = avio_rl16(pb);
496
    codec->sample_rate = avio_rl32(pb);
497
    codec->bit_rate = avio_rl32(pb) * 8;
498
    codec->block_align = avio_rl16(pb);
499
    if (size == 14) {  /* We're dealing with plain vanilla WAVEFORMAT */
500
        codec->bits_per_coded_sample = 8;
501
    }else
502
        codec->bits_per_coded_sample = avio_rl16(pb);
503
    if (id == 0xFFFE) {
504
        codec->codec_tag = 0;
505
    } else {
506
        codec->codec_tag = id;
507
        codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
508
    }
509
    if (size >= 18) {  /* We're obviously dealing with WAVEFORMATEX */
510
        int cbSize = avio_rl16(pb); /* cbSize */
511
        size -= 18;
512
        cbSize = FFMIN(size, cbSize);
513
        if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
514
            ff_asf_guid subformat;
515
            codec->bits_per_coded_sample = avio_rl16(pb);
516
            codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
517
            ff_get_guid(pb, &subformat);
518
            if (!memcmp(subformat + 4, (const uint8_t[]){FF_MEDIASUBTYPE_BASE_GUID}, 12)) {
519
                codec->codec_tag = AV_RL32(subformat);
520
                codec->codec_id = ff_wav_codec_get_id(codec->codec_tag, codec->bits_per_coded_sample);
521
            } else {
522
                codec->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
523
                if (!codec->codec_id)
524
                    av_log(codec, AV_LOG_WARNING, "unknown subformat:"FF_PRI_GUID"\n", FF_ARG_GUID(subformat));
525
            }
526
            cbSize -= 22;
527
            size -= 22;
528
        }
529
        codec->extradata_size = cbSize;
530
        if (cbSize > 0) {
531
            codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
532
            avio_read(pb, codec->extradata, codec->extradata_size);
533
            size -= cbSize;
534
        }
535

    
536
        /* It is possible for the chunk to contain garbage at the end */
537
        if (size > 0)
538
            avio_skip(pb, size);
539
    }
540
    if (codec->codec_id == CODEC_ID_AAC_LATM) {
541
        /* channels and sample_rate values are those prior to applying SBR and/or PS */
542
        codec->channels    = 0;
543
        codec->sample_rate = 0;
544
    }
545
}
546

    
547

    
548
enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
549
{
550
    enum CodecID id;
551
    id = ff_codec_get_id(ff_codec_wav_tags, tag);
552
    if (id <= 0)
553
        return id;
554
    /* handle specific u8 codec */
555
    if (id == CODEC_ID_PCM_S16LE && bps == 8)
556
        id = CODEC_ID_PCM_U8;
557
    if (id == CODEC_ID_PCM_S16LE && bps == 24)
558
        id = CODEC_ID_PCM_S24LE;
559
    if (id == CODEC_ID_PCM_S16LE && bps == 32)
560
        id = CODEC_ID_PCM_S32LE;
561
    if (id == CODEC_ID_PCM_F32LE && bps == 64)
562
        id = CODEC_ID_PCM_F64LE;
563
    if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
564
        id = CODEC_ID_PCM_ZORK;
565
    return id;
566
}
567

    
568
int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
569
{
570
    int tag1;
571
    avio_rl32(pb); /* size */
572
    st->codec->width = avio_rl32(pb);
573
    st->codec->height = (int32_t)avio_rl32(pb);
574
    avio_rl16(pb); /* planes */
575
    st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
576
    tag1 = avio_rl32(pb);
577
    avio_rl32(pb); /* ImageSize */
578
    avio_rl32(pb); /* XPelsPerMeter */
579
    avio_rl32(pb); /* YPelsPerMeter */
580
    avio_rl32(pb); /* ClrUsed */
581
    avio_rl32(pb); /* ClrImportant */
582
    return tag1;
583
}
584
#endif // CONFIG_DEMUXERS
585

    
586
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
587
{
588
    int gcd;
589

    
590
    *au_ssize= stream->block_align;
591
    if(stream->frame_size && stream->sample_rate){
592
        *au_scale=stream->frame_size;
593
        *au_rate= stream->sample_rate;
594
    }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
595
             stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
596
        *au_scale= stream->time_base.num;
597
        *au_rate = stream->time_base.den;
598
    }else{
599
        *au_scale= stream->block_align ? stream->block_align*8 : 8;
600
        *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
601
    }
602
    gcd= av_gcd(*au_scale, *au_rate);
603
    *au_scale /= gcd;
604
    *au_rate /= gcd;
605
}
606

    
607
void ff_get_guid(AVIOContext *s, ff_asf_guid *g)
608
{
609
    assert(sizeof(*g) == 16);
610
    avio_read(s, *g, sizeof(*g));
611
}
612

    
613
enum CodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
614
{
615
    int i;
616
    for (i = 0; guids[i].id != CODEC_ID_NONE; i++) {
617
        if (!ff_guidcmp(guids[i].guid, guid))
618
            return guids[i].id;
619
    }
620
    return CODEC_ID_NONE;
621
}