1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _DVBAUDIO_H_ 20 #define _DVBAUDIO_H_ 21 #include <linux/types.h> 22 typedef enum { 23 AUDIO_SOURCE_DEMUX, 24 AUDIO_SOURCE_MEMORY 25 } audio_stream_source_t; 26 typedef enum { 27 AUDIO_STOPPED, 28 AUDIO_PLAYING, 29 AUDIO_PAUSED 30 } audio_play_state_t; 31 typedef enum { 32 AUDIO_STEREO, 33 AUDIO_MONO_LEFT, 34 AUDIO_MONO_RIGHT, 35 AUDIO_MONO, 36 AUDIO_STEREO_SWAPPED 37 } audio_channel_select_t; 38 typedef struct audio_mixer { 39 unsigned int volume_left; 40 unsigned int volume_right; 41 } audio_mixer_t; 42 typedef struct audio_status { 43 int AV_sync_state; 44 int mute_state; 45 audio_play_state_t play_state; 46 audio_stream_source_t stream_source; 47 audio_channel_select_t channel_select; 48 int bypass_mode; 49 audio_mixer_t mixer_state; 50 } audio_status_t; 51 #define AUDIO_CAP_DTS 1 52 #define AUDIO_CAP_LPCM 2 53 #define AUDIO_CAP_MP1 4 54 #define AUDIO_CAP_MP2 8 55 #define AUDIO_CAP_MP3 16 56 #define AUDIO_CAP_AAC 32 57 #define AUDIO_CAP_OGG 64 58 #define AUDIO_CAP_SDDS 128 59 #define AUDIO_CAP_AC3 256 60 #define AUDIO_STOP _IO('o', 1) 61 #define AUDIO_PLAY _IO('o', 2) 62 #define AUDIO_PAUSE _IO('o', 3) 63 #define AUDIO_CONTINUE _IO('o', 4) 64 #define AUDIO_SELECT_SOURCE _IO('o', 5) 65 #define AUDIO_SET_MUTE _IO('o', 6) 66 #define AUDIO_SET_AV_SYNC _IO('o', 7) 67 #define AUDIO_SET_BYPASS_MODE _IO('o', 8) 68 #define AUDIO_CHANNEL_SELECT _IO('o', 9) 69 #define AUDIO_GET_STATUS _IOR('o', 10, audio_status_t) 70 #define AUDIO_GET_CAPABILITIES _IOR('o', 11, unsigned int) 71 #define AUDIO_CLEAR_BUFFER _IO('o', 12) 72 #define AUDIO_SET_ID _IO('o', 13) 73 #define AUDIO_SET_MIXER _IOW('o', 14, audio_mixer_t) 74 #define AUDIO_SET_STREAMTYPE _IO('o', 15) 75 #define AUDIO_BILINGUAL_CHANNEL_SELECT _IO('o', 20) 76 #endif 77