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   1 /*****************************************************************************
   2  * avi.h : AVI file Stream input module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: avi.h,v 1.10 2002/07/23 00:39:16 sam Exp $
   6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  21  *****************************************************************************/
  22
  23 #define         MAX_PACKETS_IN_FIFO     2
  24
  25 /* flags for use in <dwFlags> in AVIFileHdr */
  26 #define AVIF_HASINDEX       0x00000010  /* Index at end of file? */
  27 #define AVIF_MUSTUSEINDEX   0x00000020
  28 #define AVIF_ISINTERLEAVED  0x00000100
  29 #define AVIF_TRUSTCKTYPE    0x00000800  /* Use CKType to find key frames? */
  30 #define AVIF_WASCAPTUREFILE 0x00010000
  31 #define AVIF_COPYRIGHTED    0x00020000
  32
  33 /* Flags for index */
  34 #define AVIIF_LIST          0x00000001L /* chunk is a 'LIST' */
  35 #define AVIIF_KEYFRAME      0x00000010L /* this frame is a key frame.*/
  36 #define AVIIF_NOTIME        0x00000100L /* this frame doesn't take any time */
  37 #define AVIIF_COMPUSE       0x0FFF0000L /* these bits are for compressor use */
  38
  39 #define AVIIF_FIXKEYFRAME   0x00001000L /* invented; used to say that
  40                                            the keyframe flag isn't a true flag
  41                                            but have to be verified */
  42
  43 /* AVI stuff */
  44 #define FOURCC_RIFF         VLC_FOURCC('R','I','F','F')
  45 #define FOURCC_LIST         VLC_FOURCC('L','I','S','T')
  46 #define FOURCC_JUNK         VLC_FOURCC('J','U','N','K')
  47 #define FOURCC_AVI          VLC_FOURCC('A','V','I',' ')
  48 #define FOURCC_WAVE         VLC_FOURCC('W','A','V','E')
  49
  50 #define FOURCC_avih         VLC_FOURCC('a','v','i','h')
  51 #define FOURCC_hdrl         VLC_FOURCC('h','d','r','l')
  52 #define FOURCC_movi         VLC_FOURCC('m','o','v','i')
  53 #define FOURCC_idx1         VLC_FOURCC('i','d','x','1')
  54
  55 #define FOURCC_strl         VLC_FOURCC('s','t','r','l')
  56 #define FOURCC_strh         VLC_FOURCC('s','t','r','h')
  57 #define FOURCC_strf         VLC_FOURCC('s','t','r','f')
  58 #define FOURCC_strd         VLC_FOURCC('s','t','r','d')
  59
  60 #define FOURCC_rec          VLC_FOURCC('r','e','c',' ')
  61 #define FOURCC_auds         VLC_FOURCC('a','u','d','s')
  62 #define FOURCC_vids         VLC_FOURCC('v','i','d','s')
  63
  64 #define TWOCC_wb            VLC_TWOCC('w','b')
  65 #define TWOCC_db            VLC_TWOCC('d','b')
  66 #define TWOCC_dc            VLC_TWOCC('d','c')
  67 #define TWOCC_pc            VLC_TWOCC('p','c')
  68
  69 /* MPEG4 video */
  70 #define FOURCC_DIVX         VLC_FOURCC('D','I','V','X')
  71 #define FOURCC_divx         VLC_FOURCC('d','i','v','x')
  72 #define FOURCC_DIV1         VLC_FOURCC('D','I','V','1')
  73 #define FOURCC_div1         VLC_FOURCC('d','i','v','1')
  74 #define FOURCC_MP4S         VLC_FOURCC('M','P','4','S')
  75 #define FOURCC_mp4s         VLC_FOURCC('m','p','4','s')
  76 #define FOURCC_M4S2         VLC_FOURCC('M','4','S','2')
  77 #define FOURCC_m4s2         VLC_FOURCC('m','4','s','2')
  78 #define FOURCC_xvid         VLC_FOURCC('x','v','i','d')
  79 #define FOURCC_XVID         VLC_FOURCC('X','V','I','D')
  80 #define FOURCC_XviD         VLC_FOURCC('X','v','i','D')
  81 #define FOURCC_DX50         VLC_FOURCC('D','X','5','0')
  82 #define FOURCC_mp4v         VLC_FOURCC('m','p','4','v')
  83 #define FOURCC_4            VLC_FOURCC( 4,  0,  0,  0 )
  84
  85 /* MSMPEG4 v2 */
  86 #define FOURCC_MPG4         VLC_FOURCC('M','P','G','4')
  87 #define FOURCC_mpg4         VLC_FOURCC('m','p','g','4')
  88 #define FOURCC_DIV2         VLC_FOURCC('D','I','V','2')
  89 #define FOURCC_div2         VLC_FOURCC('d','i','v','2')
  90 #define FOURCC_MP42         VLC_FOURCC('M','P','4','2')
  91 #define FOURCC_mp42         VLC_FOURCC('m','p','4','2')
  92
  93 /* MSMPEG4 v3 / M$ mpeg4 v3 */
  94 #define FOURCC_MPG3         VLC_FOURCC('M','P','G','3')
  95 #define FOURCC_mpg3         VLC_FOURCC('m','p','g','3')
  96 #define FOURCC_div3         VLC_FOURCC('d','i','v','3')
  97 #define FOURCC_MP43         VLC_FOURCC('M','P','4','3')
  98 #define FOURCC_mp43         VLC_FOURCC('m','p','4','3')
  99
 100 /* DivX 3.20 */
 101 #define FOURCC_DIV3         VLC_FOURCC('D','I','V','3')
 102 #define FOURCC_DIV4         VLC_FOURCC('D','I','V','4')
 103 #define FOURCC_div4         VLC_FOURCC('d','i','v','4')
 104 #define FOURCC_DIV5         VLC_FOURCC('D','I','V','5')
 105 #define FOURCC_div5         VLC_FOURCC('d','i','v','5')
 106 #define FOURCC_DIV6         VLC_FOURCC('D','I','V','6')
 107 #define FOURCC_div6         VLC_FOURCC('d','i','v','6')
 108
 109 /* AngelPotion stuff */
 110 #define FOURCC_AP41         VLC_FOURCC('A','P','4','1')
 111
 112 /* ?? */
 113 #define FOURCC_3IV1         VLC_FOURCC('3','I','V','1')
 114 /* H263 and H263i */
 115 #define FOURCC_H263         VLC_FOURCC('H','2','6','3')
 116 #define FOURCC_h263         VLC_FOURCC('h','2','6','3')
 117 #define FOURCC_U263         VLC_FOURCC('U','2','6','3')
 118 #define FOURCC_I263         VLC_FOURCC('I','2','6','3')
 119 #define FOURCC_i263         VLC_FOURCC('i','2','6','3')
 120
 121 /* Sound formats */
 122 #define WAVE_FORMAT_UNKNOWN         0x0000
 123 #define WAVE_FORMAT_PCM             0x0001
 124 #define WAVE_FORMAT_MPEG            0x0050
 125 #define WAVE_FORMAT_MPEGLAYER3      0x0055
 126 #define WAVE_FORMAT_AC3             0x2000
 127
 128 typedef struct bitmapinfoheader_s
 129 {
 130     u32 i_size; /* size of header */
 131     u32 i_width;
 132     u32 i_height;
 133     u16 i_planes;
 134     u16 i_bitcount;
 135     u32 i_compression;
 136     u32 i_sizeimage;
 137     u32 i_xpelspermeter;
 138     u32 i_ypelspermeter;
 139     u32 i_clrused;
 140     u32 i_clrimportant;
 141 } bitmapinfoheader_t;
 142
 143 typedef struct waveformatex_s
 144 {
 145     u16 i_formattag;
 146     u16 i_channels;
 147     u32 i_samplespersec;
 148     u32 i_avgbytespersec;
 149     u16 i_blockalign;
 150     u16 i_bitspersample;
 151     u16 i_size; /* the extra size in bytes */
 152 } waveformatex_t;
 153
 154
 155 typedef struct MainAVIHeader_s
 156 {
 157     u32 i_microsecperframe;
 158     u32 i_maxbytespersec;
 159     u32 i_reserved1; /* dwPaddingGranularity;    pad to multiples of this
 160                          size; normally 2K */
 161     u32 i_flags;
 162     u32 i_totalframes;
 163     u32 i_initialframes;
 164     u32 i_streams;
 165     u32 i_suggestedbuffersize;
 166     u32 i_width;
 167     u32 i_height;
 168     u32 i_scale;
 169     u32 i_rate;
 170     u32 i_start;
 171     u32 i_length;
 172
 173 } MainAVIHeader_t;
 174
 175 typedef struct AVIStreamHeader_s
 176 {
 177     u32 i_type;
 178     u32 i_handler;
 179     u32 i_flags;
 180     u32 i_reserved1;    /* wPriority wLanguage */
 181     u32 i_initialframes;
 182     u32 i_scale;
 183     u32 i_rate;
 184     u32 i_start;
 185     u32 i_length;       /* In units above... */
 186     u32 i_suggestedbuffersize;
 187     u32 i_quality;
 188     u32 i_samplesize;
 189
 190 } AVIStreamHeader_t;
 191
 192 typedef struct AVIIndexEntry_s
 193 {
 194     u32 i_id;
 195     u32 i_flags;
 196     u32 i_pos;
 197     u32 i_length;
 198     u32 i_lengthtotal;
 199 } AVIIndexEntry_t;
 200
 201 typedef struct AVIESBuffer_s
 202 {
 203     struct AVIESBuffer_s *p_next;
 204
 205     pes_packet_t *p_pes;
 206     int i_posc;
 207     int i_posb;
 208 } AVIESBuffer_t;
 209
 210
 211 typedef struct AVIStreamInfo_s
 212 {
 213
 214     riffchunk_t *p_strl;
 215     riffchunk_t *p_strh;
 216     riffchunk_t *p_strf;
 217     riffchunk_t *p_strd; /* not used */
 218
 219     AVIStreamHeader_t header;
 220
 221     u8 i_cat;           /* AUDIO_ES, VIDEO_ES */
 222     bitmapinfoheader_t  video_format;
 223     waveformatex_t      audio_format;
 224     es_descriptor_t     *p_es;
 225     int                 b_selected; /* newly selected */
 226     AVIIndexEntry_t     *p_index;
 227     int                 i_idxnb;
 228     int                 i_idxmax;
 229
 230     int                 i_idxposc;  /* numero of chunk */
 231     int                 i_idxposb;  /* byte in the current chunk */
 232
 233     /* add some buffering */
 234     AVIESBuffer_t       *p_pes_first;
 235     AVIESBuffer_t       *p_pes_last;
 236     int                 i_pes_count;
 237     int                 i_pes_totalsize;
 238 } AVIStreamInfo_t;
 239
 240 typedef struct demux_data_avi_file_s
 241 {
 242     mtime_t i_pcr;
 243     int     i_rate;
 244     riffchunk_t *p_riff;
 245     riffchunk_t *p_hdrl;
 246     riffchunk_t *p_movi;
 247     riffchunk_t *p_idx1;
 248
 249     int     b_seekable;
 250
 251     /* Info extrated from avih */
 252     MainAVIHeader_t avih;
 253
 254     /* number of stream and informations*/
 255     int i_streams;
 256     AVIStreamInfo_t   **pp_info;
 257
 258     /* current audio and video es */
 259     AVIStreamInfo_t *p_info_video;
 260     AVIStreamInfo_t *p_info_audio;
 261
 262 } demux_data_avi_file_t;
 263