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ffmpeg / libavformat / riff.c @ 768c5251

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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 Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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_VC1,          MKTAG('W', 'V', 'P', '2') },
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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[] = {
267
    { CODEC_ID_PCM_S16LE,       0x0001 },
268
    { CODEC_ID_PCM_U8,          0x0001 }, /* must come after s16le in this list */
269
    { CODEC_ID_PCM_S24LE,       0x0001 },
270
    { CODEC_ID_PCM_S32LE,       0x0001 },
271
    { CODEC_ID_ADPCM_MS,        0x0002 },
272
    { CODEC_ID_PCM_F32LE,       0x0003 },
273
    { CODEC_ID_PCM_F64LE,       0x0003 }, /* must come after f32le in this list */
274
    { CODEC_ID_PCM_ALAW,        0x0006 },
275
    { CODEC_ID_PCM_MULAW,       0x0007 },
276
    { CODEC_ID_WMAVOICE,        0x000A },
277
    { CODEC_ID_ADPCM_IMA_WAV,   0x0011 },
278
    { CODEC_ID_PCM_ZORK,        0x0011 }, /* must come after adpcm_ima_wav in this list */
279
    { CODEC_ID_ADPCM_YAMAHA,    0x0020 },
280
    { CODEC_ID_TRUESPEECH,      0x0022 },
281
    { CODEC_ID_GSM_MS,          0x0031 },
282
    { CODEC_ID_ADPCM_G726,      0x0045 },
283
    { CODEC_ID_MP2,             0x0050 },
284
    { CODEC_ID_MP3,             0x0055 },
285
    { CODEC_ID_AMR_NB,          0x0057 },
286
    { CODEC_ID_AMR_WB,          0x0058 },
287
    { CODEC_ID_ADPCM_IMA_DK4,   0x0061 },  /* rogue format number */
288
    { CODEC_ID_ADPCM_IMA_DK3,   0x0062 },  /* rogue format number */
289
    { CODEC_ID_ADPCM_IMA_WAV,   0x0069 },
290
    { CODEC_ID_VOXWARE,         0x0075 },
291
    { CODEC_ID_AAC,             0x00ff },
292
    { CODEC_ID_SIPR,            0x0130 },
293
    { CODEC_ID_WMAV1,           0x0160 },
294
    { CODEC_ID_WMAV2,           0x0161 },
295
    { CODEC_ID_WMAPRO,          0x0162 },
296
    { CODEC_ID_WMALOSSLESS,     0x0163 },
297
    { CODEC_ID_ADPCM_CT,        0x0200 },
298
    { CODEC_ID_ATRAC3,          0x0270 },
299
    { CODEC_ID_ADPCM_G722,      0x028F },
300
    { CODEC_ID_IMC,             0x0401 },
301
    { CODEC_ID_GSM_MS,          0x1500 },
302
    { CODEC_ID_TRUESPEECH,      0x1501 },
303
    { CODEC_ID_AAC,             0x1600 }, /* ADTS AAC */
304
    { CODEC_ID_AAC_LATM,        0x1602 },
305
    { CODEC_ID_AC3,             0x2000 },
306
    { CODEC_ID_DTS,             0x2001 },
307
    { CODEC_ID_SONIC,           0x2048 },
308
    { CODEC_ID_SONIC_LS,        0x2048 },
309
    { CODEC_ID_PCM_MULAW,       0x6c75 },
310
    { CODEC_ID_AAC,             0x706d },
311
    { CODEC_ID_AAC,             0x4143 },
312
    { CODEC_ID_FLAC,            0xF1AC },
313
    { CODEC_ID_ADPCM_SWF,       ('S'<<8)+'F' },
314
    { CODEC_ID_VORBIS,          ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
315

    
316
    /* FIXME: All of the IDs below are not 16 bit and thus illegal. */
317
    // for NuppelVideo (nuv.c)
318
    { CODEC_ID_PCM_S16LE, MKTAG('R', 'A', 'W', 'A') },
319
    { CODEC_ID_MP3,       MKTAG('L', 'A', 'M', 'E') },
320
    { CODEC_ID_MP3,       MKTAG('M', 'P', '3', ' ') },
321
    { CODEC_ID_NONE,      0 },
322
};
323

    
324
#if CONFIG_MUXERS
325
int64_t ff_start_tag(AVIOContext *pb, const char *tag)
326
{
327
    ffio_wfourcc(pb, tag);
328
    avio_wl32(pb, 0);
329
    return avio_tell(pb);
330
}
331

    
332
void ff_end_tag(AVIOContext *pb, int64_t start)
333
{
334
    int64_t pos;
335

    
336
    pos = avio_tell(pb);
337
    avio_seek(pb, start - 4, SEEK_SET);
338
    avio_wl32(pb, (uint32_t)(pos - start));
339
    avio_seek(pb, pos, SEEK_SET);
340
}
341

    
342
/* WAVEFORMATEX header */
343
/* returns the size or -1 on error */
344
int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
345
{
346
    int bps, blkalign, bytespersec;
347
    int hdrsize = 18;
348
    int waveformatextensible;
349
    uint8_t temp[256];
350
    uint8_t *riff_extradata= temp;
351
    uint8_t *riff_extradata_start= temp;
352

    
353
    if(!enc->codec_tag || enc->codec_tag > 0xffff)
354
        return -1;
355
    waveformatextensible =   (enc->channels > 2 && enc->channel_layout)
356
                          || enc->sample_rate > 48000
357
                          || av_get_bits_per_sample(enc->codec_id) > 16;
358

    
359
    if (waveformatextensible) {
360
        avio_wl16(pb, 0xfffe);
361
    } else {
362
        avio_wl16(pb, enc->codec_tag);
363
    }
364
    avio_wl16(pb, enc->channels);
365
    avio_wl32(pb, enc->sample_rate);
366
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) {
367
        bps = 0;
368
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) {
369
        bps = 4;
370
    } else {
371
        if (!(bps = av_get_bits_per_sample(enc->codec_id)))
372
            bps = 16; // default to 16
373
    }
374
    if(bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample){
375
        av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
376
    }
377

    
378
    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) {
379
        blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly
380
        //blkalign = 144 * enc->bit_rate/enc->sample_rate;
381
    } else if (enc->codec_id == CODEC_ID_AC3) {
382
            blkalign = 3840; //maximum bytes per frame
383
    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //
384
        blkalign = 1;
385
    } else if (enc->block_align != 0) { /* specified by the codec */
386
        blkalign = enc->block_align;
387
    } else
388
        blkalign = enc->channels*bps >> 3;
389
    if (enc->codec_id == CODEC_ID_PCM_U8 ||
390
        enc->codec_id == CODEC_ID_PCM_S24LE ||
391
        enc->codec_id == CODEC_ID_PCM_S32LE ||
392
        enc->codec_id == CODEC_ID_PCM_F32LE ||
393
        enc->codec_id == CODEC_ID_PCM_F64LE ||
394
        enc->codec_id == CODEC_ID_PCM_S16LE) {
395
        bytespersec = enc->sample_rate * blkalign;
396
    } else {
397
        bytespersec = enc->bit_rate / 8;
398
    }
399
    avio_wl32(pb, bytespersec); /* bytes per second */
400
    avio_wl16(pb, blkalign); /* block align */
401
    avio_wl16(pb, bps); /* bits per sample */
402
    if (enc->codec_id == CODEC_ID_MP3) {
403
        hdrsize += 12;
404
        bytestream_put_le16(&riff_extradata, 1);    /* wID */
405
        bytestream_put_le32(&riff_extradata, 2);    /* fdwFlags */
406
        bytestream_put_le16(&riff_extradata, 1152); /* nBlockSize */
407
        bytestream_put_le16(&riff_extradata, 1);    /* nFramesPerBlock */
408
        bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
409
    } else if (enc->codec_id == CODEC_ID_MP2) {
410
        hdrsize += 22;
411
        bytestream_put_le16(&riff_extradata, 2);                          /* fwHeadLayer */
412
        bytestream_put_le32(&riff_extradata, enc->bit_rate);              /* dwHeadBitrate */
413
        bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
414
        bytestream_put_le16(&riff_extradata, 0);                          /* fwHeadModeExt */
415
        bytestream_put_le16(&riff_extradata, 1);                          /* wHeadEmphasis */
416
        bytestream_put_le16(&riff_extradata, 16);                         /* fwHeadFlags */
417
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSLow */
418
        bytestream_put_le32(&riff_extradata, 0);                          /* dwPTSHigh */
419
    } else if (enc->codec_id == CODEC_ID_GSM_MS || enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
420
        hdrsize += 2;
421
        bytestream_put_le16(&riff_extradata, enc->frame_size); /* wSamplesPerBlock */
422
    } else if(enc->extradata_size){
423
        riff_extradata_start= enc->extradata;
424
        riff_extradata= enc->extradata + enc->extradata_size;
425
        hdrsize += enc->extradata_size;
426
    } else if (!waveformatextensible){
427
        hdrsize -= 2;
428
    }
429
    if(waveformatextensible) {                                    /* write WAVEFORMATEXTENSIBLE extensions */
430
        hdrsize += 22;
431
        avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
432
        avio_wl16(pb, enc->bits_per_coded_sample);                 /* ValidBitsPerSample || SamplesPerBlock || Reserved */
433
        avio_wl32(pb, enc->channel_layout);                        /* dwChannelMask */
434
        avio_wl32(pb, enc->codec_tag);                             /* GUID + next 3 */
435
        avio_wl32(pb, 0x00100000);
436
        avio_wl32(pb, 0xAA000080);
437
        avio_wl32(pb, 0x719B3800);
438
    } else if(riff_extradata - riff_extradata_start) {
439
        avio_wl16(pb, riff_extradata - riff_extradata_start);
440
    }
441
    avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);
442
    if(hdrsize&1){
443
        hdrsize++;
444
        avio_w8(pb, 0);
445
    }
446

    
447
    return hdrsize;
448
}
449

    
450
/* BITMAPINFOHEADER header */
451
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
452
{
453
    avio_wl32(pb, 40 + enc->extradata_size); /* size */
454
    avio_wl32(pb, enc->width);
455
    //We always store RGB TopDown
456
    avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
457
    avio_wl16(pb, 1); /* planes */
458

    
459
    avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
460
    /* compression type */
461
    avio_wl32(pb, enc->codec_tag);
462
    avio_wl32(pb, enc->width * enc->height * 3);
463
    avio_wl32(pb, 0);
464
    avio_wl32(pb, 0);
465
    avio_wl32(pb, 0);
466
    avio_wl32(pb, 0);
467

    
468
    avio_write(pb, enc->extradata, enc->extradata_size);
469

    
470
    if (!for_asf && enc->extradata_size & 1)
471
        avio_w8(pb, 0);
472
}
473
#endif //CONFIG_MUXERS
474

    
475
#if CONFIG_DEMUXERS
476
/* We could be given one of the three possible structures here:
477
 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
478
 * is an expansion of the previous one with the fields added
479
 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
480
 * WAVEFORMATEX adds 'WORD  cbSize' and basically makes itself
481
 * an openended structure.
482
 */
483
void ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
484
{
485
    int id;
486

    
487
    id = avio_rl16(pb);
488
    codec->codec_type = AVMEDIA_TYPE_AUDIO;
489
    codec->codec_tag = id;
490
    codec->channels = avio_rl16(pb);
491
    codec->sample_rate = avio_rl32(pb);
492
    codec->bit_rate = avio_rl32(pb) * 8;
493
    codec->block_align = avio_rl16(pb);
494
    if (size == 14) {  /* We're dealing with plain vanilla WAVEFORMAT */
495
        codec->bits_per_coded_sample = 8;
496
    }else
497
        codec->bits_per_coded_sample = avio_rl16(pb);
498
    if (size >= 18) {  /* We're obviously dealing with WAVEFORMATEX */
499
        int cbSize = avio_rl16(pb); /* cbSize */
500
        size -= 18;
501
        cbSize = FFMIN(size, cbSize);
502
        if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
503
            codec->bits_per_coded_sample = avio_rl16(pb);
504
            codec->channel_layout = avio_rl32(pb); /* dwChannelMask */
505
            id = avio_rl32(pb); /* 4 first bytes of GUID */
506
            avio_skip(pb, 12); /* skip end of GUID */
507
            cbSize -= 22;
508
            size -= 22;
509
        }
510
        codec->extradata_size = cbSize;
511
        if (cbSize > 0) {
512
            codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
513
            avio_read(pb, codec->extradata, codec->extradata_size);
514
            size -= cbSize;
515
        }
516

    
517
        /* It is possible for the chunk to contain garbage at the end */
518
        if (size > 0)
519
            avio_skip(pb, size);
520
    }
521
    codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
522
    if (codec->codec_id == CODEC_ID_AAC_LATM) {
523
        /* channels and sample_rate values are those prior to applying SBR and/or PS */
524
        codec->channels    = 0;
525
        codec->sample_rate = 0;
526
    }
527
}
528

    
529

    
530
enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)
531
{
532
    enum CodecID id;
533
    id = ff_codec_get_id(ff_codec_wav_tags, tag);
534
    if (id <= 0)
535
        return id;
536
    /* handle specific u8 codec */
537
    if (id == CODEC_ID_PCM_S16LE && bps == 8)
538
        id = CODEC_ID_PCM_U8;
539
    if (id == CODEC_ID_PCM_S16LE && bps == 24)
540
        id = CODEC_ID_PCM_S24LE;
541
    if (id == CODEC_ID_PCM_S16LE && bps == 32)
542
        id = CODEC_ID_PCM_S32LE;
543
    if (id == CODEC_ID_PCM_F32LE && bps == 64)
544
        id = CODEC_ID_PCM_F64LE;
545
    if (id == CODEC_ID_ADPCM_IMA_WAV && bps == 8)
546
        id = CODEC_ID_PCM_ZORK;
547
    return id;
548
}
549

    
550
int ff_get_bmp_header(AVIOContext *pb, AVStream *st)
551
{
552
    int tag1;
553
    avio_rl32(pb); /* size */
554
    st->codec->width = avio_rl32(pb);
555
    st->codec->height = (int32_t)avio_rl32(pb);
556
    avio_rl16(pb); /* planes */
557
    st->codec->bits_per_coded_sample= avio_rl16(pb); /* depth */
558
    tag1 = avio_rl32(pb);
559
    avio_rl32(pb); /* ImageSize */
560
    avio_rl32(pb); /* XPelsPerMeter */
561
    avio_rl32(pb); /* YPelsPerMeter */
562
    avio_rl32(pb); /* ClrUsed */
563
    avio_rl32(pb); /* ClrImportant */
564
    return tag1;
565
}
566
#endif // CONFIG_DEMUXERS
567

    
568
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
569
{
570
    int gcd;
571

    
572
    *au_ssize= stream->block_align;
573
    if(stream->frame_size && stream->sample_rate){
574
        *au_scale=stream->frame_size;
575
        *au_rate= stream->sample_rate;
576
    }else if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
577
             stream->codec_type == AVMEDIA_TYPE_SUBTITLE){
578
        *au_scale= stream->time_base.num;
579
        *au_rate = stream->time_base.den;
580
    }else{
581
        *au_scale= stream->block_align ? stream->block_align*8 : 8;
582
        *au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
583
    }
584
    gcd= av_gcd(*au_scale, *au_rate);
585
    *au_scale /= gcd;
586
    *au_rate /= gcd;
587
}