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Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

audio.h (2813B)

    

  1. /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
  2. /*
  3.  * audio.h - DEPRECATED MPEG-TS audio decoder API
  4.  *
  5.  * NOTE: should not be used on future drivers
  6.  *
  7.  * Copyright (C) 2000 Ralph  Metzler <ralph@convergence.de>
  8.  *                  & Marcus Metzler <marcus@convergence.de>
  9.  *                    for convergence integrated media GmbH
  10.  */
  12. #ifndef _DVBAUDIO_H_
  13. #define _DVBAUDIO_H_
  15. #include <linux/types.h>
  17. typedef enum {
  18. 	AUDIO_SOURCE_DEMUX, /* Select the demux as the main source */
  19. 	AUDIO_SOURCE_MEMORY /* Select internal memory as the main source */
  20. } audio_stream_source_t;
  23. typedef enum {
  24. 	AUDIO_STOPPED,      /* Device is stopped */
  25. 	AUDIO_PLAYING,      /* Device is currently playing */
  26. 	AUDIO_PAUSED        /* Device is paused */
  27. } audio_play_state_t;
  30. typedef enum {
  31. 	AUDIO_STEREO,
  32. 	AUDIO_MONO_LEFT,
  33. 	AUDIO_MONO_RIGHT,
  34. 	AUDIO_MONO,
  35. 	AUDIO_STEREO_SWAPPED
  36. } audio_channel_select_t;
  39. typedef struct audio_mixer {
  40. 	unsigned int volume_left;
  41. 	unsigned int volume_right;
  42.   /* what else do we need? bass, pass-through, ... */
  43. } audio_mixer_t;
  46. typedef struct audio_status {
  47. 	int                    AV_sync_state;  /* sync audio and video? */
  48. 	int                    mute_state;     /* audio is muted */
  49. 	audio_play_state_t     play_state;     /* current playback state */
  50. 	audio_stream_source_t  stream_source;  /* current stream source */
  51. 	audio_channel_select_t channel_select; /* currently selected channel */
  52. 	int                    bypass_mode;    /* pass on audio data to */
  53. 	audio_mixer_t	       mixer_state;    /* current mixer state */
  54. } audio_status_t;                              /* separate decoder hardware */
  57. /* for GET_CAPABILITIES and SET_FORMAT, the latter should only set one bit */
  58. #define AUDIO_CAP_DTS    1
  59. #define AUDIO_CAP_LPCM   2
  60. #define AUDIO_CAP_MP1    4
  61. #define AUDIO_CAP_MP2    8
  62. #define AUDIO_CAP_MP3   16
  63. #define AUDIO_CAP_AAC   32
  64. #define AUDIO_CAP_OGG   64
  65. #define AUDIO_CAP_SDDS 128
  66. #define AUDIO_CAP_AC3  256
  68. #define AUDIO_STOP                 _IO('o', 1)
  69. #define AUDIO_PLAY                 _IO('o', 2)
  70. #define AUDIO_PAUSE                _IO('o', 3)
  71. #define AUDIO_CONTINUE             _IO('o', 4)
  72. #define AUDIO_SELECT_SOURCE        _IO('o', 5)
  73. #define AUDIO_SET_MUTE             _IO('o', 6)
  74. #define AUDIO_SET_AV_SYNC          _IO('o', 7)
  75. #define AUDIO_SET_BYPASS_MODE      _IO('o', 8)
  76. #define AUDIO_CHANNEL_SELECT       _IO('o', 9)
  77. #define AUDIO_GET_STATUS           _IOR('o', 10, audio_status_t)
  79. #define AUDIO_GET_CAPABILITIES     _IOR('o', 11, unsigned int)
  80. #define AUDIO_CLEAR_BUFFER         _IO('o',  12)
  81. #define AUDIO_SET_ID               _IO('o', 13)
  82. #define AUDIO_SET_MIXER            _IOW('o', 14, audio_mixer_t)
  83. #define AUDIO_SET_STREAMTYPE       _IO('o', 15)
  84. #define AUDIO_BILINGUAL_CHANNEL_SELECT _IO('o', 20)
  86. #endif /* _DVBAUDIO_H_ */