include/media/saa6752hs.h

   1 /*
   2     saa6752hs.h - definition for saa6752hs MPEG encoder
   3
   4     Copyright (C) 2003 Andrew de Quincey <adq@lidskialf.net>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef _SAA6752HS_H
  22 #define _SAA6752HS_H
  23
  24 enum mpeg_bitrate_mode {
  25         MPEG_BITRATE_MODE_VBR = 0, /* Variable bitrate */
  26         MPEG_BITRATE_MODE_CBR = 1, /* Constant bitrate */
  27
  28         MPEG_BITRATE_MODE_MAX
  29 };
  30
  31 enum mpeg_audio_bitrate {
  32         MPEG_AUDIO_BITRATE_256 = 0, /* 256 kBit/sec */
  33         MPEG_AUDIO_BITRATE_384 = 1, /* 384 kBit/sec */
  34
  35         MPEG_AUDIO_BITRATE_MAX
  36 };
  37
  38 #define MPEG_VIDEO_TARGET_BITRATE_MAX 27000
  39 #define MPEG_VIDEO_MAX_BITRATE_MAX 27000
  40 #define MPEG_TOTAL_BITRATE_MAX 27000
  41
  42 struct mpeg_params {
  43         enum mpeg_bitrate_mode bitrate_mode;
  44         unsigned int video_target_bitrate;
  45         unsigned int video_max_bitrate; // only used for VBR
  46         enum mpeg_audio_bitrate audio_bitrate;
  47         unsigned int total_bitrate;
  48 };
  49
  50 #define MPEG_SETPARAMS             _IOW('6',100,struct mpeg_params)
  51
  52 #endif // _SAA6752HS_H
  53
  54 /*
  55  * Local variables:
  56  * c-basic-offset: 8
  57  * End:
  58  */