PeerStreamer

/*

 * RIFF codec tags

 * Copyright (c) 2000 Fabrice Bellard

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg 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,

 * 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

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#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('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */

    { 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_MPEG4,        MKTAG('V', 'S', 'P', 'X') },

    { CODEC_ID_MPEG4,        MKTAG('U', 'L', 'D', 'X') },

    { CODEC_ID_MPEG4,        MKTAG('G', 'E', 'O', 'V') },

    { CODEC_ID_MPEG4,        MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */

    { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', '4', '3') },

    { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '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_MPEG2VIDEO,   MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */

    { 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_JPEGLS,       MKTAG('M', 'J', 'P', 'G') },

    { 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('y', 'u', 'v', 's') },

    { 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_RAWVIDEO,     MKTAG('Y', '4', '1', '1') },

    { CODEC_ID_RAWVIDEO,     MKTAG('N', 'V', '1', '2') },

    { CODEC_ID_RAWVIDEO,     MKTAG('N', 'V', '2', '1') },

    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '1', 'B') },

    { CODEC_ID_RAWVIDEO,     MKTAG('Y', '4', '2', 'B') },

    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'U', 'V', '9') },

    { CODEC_ID_RAWVIDEO,     MKTAG('Y', 'V', 'U', '9') },

    { CODEC_ID_FRWU,         MKTAG('F', 'R', 'W', 'U') },

    { CODEC_ID_R10K,         MKTAG('R', '1', '0', 'k') },

    { 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_VP6F,         MKTAG('V', 'P', '6', 'F') },

    { CODEC_ID_VP6F,         MKTAG('F', 'L', 'V', '4') },

    { CODEC_ID_VP8,          MKTAG('V', 'P', '8', '0') },

    { 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_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_WMV3,         MKTAG('W', 'M', 'V', 'P') },

    { 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_KGV1,         MKTAG('K', 'G', 'V', '1') },

    { CODEC_ID_LAGARITH,     MKTAG('L', 'A', 'G', 'S') },

    { 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_ADPCM_G722,      0x028F },

    { CODEC_ID_IMC,             0x0401 },

    { CODEC_ID_GSM_MS,          0x1500 },

    { CODEC_ID_TRUESPEECH,      0x1501 },

    { CODEC_ID_AAC_LATM,        0x1602 },

    { 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 },

};

#if CONFIG_MUXERS

int64_t ff_start_tag(AVIOContext *pb, const char *tag)

{

    ffio_wfourcc(pb, tag);

    avio_wl32(pb, 0);

    return avio_tell(pb);

}

void ff_end_tag(AVIOContext *pb, int64_t start)

{

    int64_t pos;

    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(AVIOContext *pb, AVCodecContext *enc)

{

    int bps, blkalign, bytespersec;

    int hdrsize = 18;

    int waveformatextensible;

    uint8_t temp[256];

    uint8_t *riff_extradata= temp;

    uint8_t *riff_extradata_start= temp;

    if(!enc->codec_tag || enc->codec_tag > 0xffff)

        return -1;

    waveformatextensible =   (enc->channels > 2 && enc->channel_layout)

                          || enc->sample_rate > 48000

                          || av_get_bits_per_sample(enc->codec_id) > 16;

    if (waveformatextensible) {

        avio_wl16(pb, 0xfffe);

    } else {

        avio_wl16(pb, enc->codec_tag);

    }

    avio_wl16(pb, enc->channels);

    avio_wl32(pb, enc->sample_rate);

    if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == 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 != 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) {

        blkalign = enc->frame_size; //this is wrong, but it seems many demuxers do not work if this is set correctly

        //blkalign = 144 * enc->bit_rate/enc->sample_rate;

    } else if (enc->codec_id == CODEC_ID_AC3) {

            blkalign = 3840; //maximum bytes per frame

    } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { //

        blkalign = 1;

    } 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) {

        bytespersec = enc->sample_rate * blkalign;

    } else {

        bytespersec = enc->bit_rate / 8;

    }

    avio_wl32(pb, bytespersec); /* bytes per second */

    avio_wl16(pb, blkalign); /* block align */

    avio_wl16(pb, bps); /* bits per sample */

    if (enc->codec_id == 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) {

        hdrsize += 22;

        bytestream_put_le16(&riff_extradata, 2);                          /* fwHeadLayer */

        bytestream_put_le32(&riff_extradata, enc->bit_rate);              /* dwHeadBitrate */

        bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */

        bytestream_put_le16(&riff_extradata, 0);                          /* fwHeadModeExt */

        bytestream_put_le16(&riff_extradata, 1);                          /* wHeadEmphasis */

        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) {

        hdrsize += 2;

        bytestream_put_le16(&riff_extradata, enc->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;

        avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */

        avio_wl16(pb, enc->bits_per_coded_sample);                 /* 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 if(riff_extradata - riff_extradata_start) {

        avio_wl16(pb, riff_extradata - riff_extradata_start);

    }

    avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);

    if(hdrsize&1){

        hdrsize++;

        avio_w8(pb, 0);

    }

    return hdrsize;

}

/* BITMAPINFOHEADER header */

void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)

{

    avio_wl32(pb, 40 + enc->extradata_size); /* size */

    avio_wl32(pb, enc->width);

    //We always store RGB TopDown

    avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);

    avio_wl16(pb, 1); /* planes */

    avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */

    /* compression type */

    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);

}

#endif //CONFIG_MUXERS

#if CONFIG_DEMUXERS

/* We could be given one of the three possible structures here:

 * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure

 * is an expansion of the previous one with the fields added

 * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and

 * WAVEFORMATEX adds 'WORD  cbSize' and basically makes itself

 * an openended structure.

 */

void ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)

{

    int id;

    id = avio_rl16(pb);

    codec->codec_type = AVMEDIA_TYPE_AUDIO;

    codec->codec_tag = id;

    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 = avio_rl16(pb);

    if (size >= 18) {  /* We're obviously dealing with WAVEFORMATEX */

        int cbSize = avio_rl16(pb); /* cbSize */

        size -= 18;

        cbSize = FFMIN(size, cbSize);

        if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */

            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_seek(pb, 12, SEEK_CUR); /* skip end of GUID */

            cbSize -= 22;

            size -= 22;

        }

        codec->extradata_size = cbSize;

        if (cbSize > 0) {

            codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);

            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)

            avio_seek(pb, size, SEEK_CUR);

    }

    codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);

    if (codec->codec_id == 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;

    }

}

enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps)

{

    enum CodecID 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;

    return id;

}

int ff_get_bmp_header(AVIOContext *pb, AVStream *st)

{

    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;

}

#endif // CONFIG_DEMUXERS

void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)

{

    int gcd;

    *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 == AVMEDIA_TYPE_VIDEO ||

             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;

}