/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef __COMPRESS_OFFLOAD_H #define __COMPRESS_OFFLOAD_H #include <linux/types.h> #include <sound/asound.h> #include <sound/compress_params.h> #define SNDRV_COMPRESS_VERSION SNDRV_PROTOCOL_VERSION(0, 1, 2) struct snd_compressed_buffer { __u32 fragment_size; __u32 fragments; } __attribute__((packed, aligned(4))); struct snd_compr_params { struct snd_compressed_buffer buffer; struct snd_codec codec; __u8 no_wake_mode; } __attribute__((packed, aligned(4))); struct snd_compr_tstamp { __u32 byte_offset; __u64 copied_total; __u32 pcm_frames; __u32 pcm_io_frames; __u32 sampling_rate; __u64 timestamp; } __attribute__((packed, aligned(4))); struct snd_compr_avail { __u64 avail; struct snd_compr_tstamp tstamp; } __attribute__((packed, aligned(4))); enum snd_compr_direction { SND_COMPRESS_PLAYBACK = 0, SND_COMPRESS_CAPTURE }; struct snd_compr_caps { __u32 num_codecs; __u32 direction; __u32 min_fragment_size; __u32 max_fragment_size; __u32 min_fragments; __u32 max_fragments; __u32 codecs[MAX_NUM_CODECS]; __u32 reserved[11]; } __attribute__((packed, aligned(4))); struct snd_compr_codec_caps { __u32 codec; __u32 num_descriptors; struct snd_codec_desc descriptor[MAX_NUM_CODEC_DESCRIPTORS]; } __attribute__((packed, aligned(4))); struct snd_compr_audio_info { __u32 frame_size; __u32 reserved[15]; } __attribute__((packed, aligned(4))); #define SNDRV_COMPRESS_RENDER_MODE_AUDIO_MASTER 0 #define SNDRV_COMPRESS_RENDER_MODE_STC_MASTER 1 #define SNDRV_COMPRESS_CLK_REC_MODE_NONE 0 #define SNDRV_COMPRESS_CLK_REC_MODE_AUTO 1 enum sndrv_compress_encoder { SNDRV_COMPRESS_ENCODER_PADDING = 1, SNDRV_COMPRESS_ENCODER_DELAY = 2, SNDRV_COMPRESS_MIN_BLK_SIZE = 3, SNDRV_COMPRESS_MAX_BLK_SIZE = 4, SNDRV_COMPRESS_PATH_DELAY = 5, SNDRV_COMPRESS_RENDER_MODE = 6, SNDRV_COMPRESS_CLK_REC_MODE = 7, SNDRV_COMPRESS_RENDER_WINDOW = 8, SNDRV_COMPRESS_START_DELAY = 9, SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK = 10, SNDRV_COMPRESS_ADJUST_SESSION_CLOCK = 11, }; #define SNDRV_COMPRESS_PATH_DELAY SNDRV_COMPRESS_PATH_DELAY #define SNDRV_COMPRESS_RENDER_MODE SNDRV_COMPRESS_RENDER_MODE #define SNDRV_COMPRESS_CLK_REC_MODE SNDRV_COMPRESS_CLK_REC_MODE #define SNDRV_COMPRESS_RENDER_WINDOW SNDRV_COMPRESS_RENDER_WINDOW #define SNDRV_COMPRESS_START_DELAY SNDRV_COMPRESS_START_DELAY #define SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK #define SNDRV_COMPRESS_ADJUST_SESSION_CLOCK SNDRV_COMPRESS_ADJUST_SESSION_CLOCK struct snd_compr_metadata { __u32 key; __u32 value[8]; } __attribute__((packed, aligned(4))); #define SNDRV_COMPRESS_IOCTL_VERSION _IOR('C', 0x00, int) #define SNDRV_COMPRESS_GET_CAPS _IOWR('C', 0x10, struct snd_compr_caps) #define SNDRV_COMPRESS_GET_CODEC_CAPS _IOWR('C', 0x11, struct snd_compr_codec_caps) #define SNDRV_COMPRESS_SET_PARAMS _IOW('C', 0x12, struct snd_compr_params) #define SNDRV_COMPRESS_GET_PARAMS _IOR('C', 0x13, struct snd_codec) #define SNDRV_COMPRESS_SET_METADATA _IOW('C', 0x14, struct snd_compr_metadata) #define SNDRV_COMPRESS_GET_METADATA _IOWR('C', 0x15, struct snd_compr_metadata) #define SNDRV_COMPRESS_TSTAMP _IOR('C', 0x20, struct snd_compr_tstamp) #define SNDRV_COMPRESS_AVAIL _IOR('C', 0x21, struct snd_compr_avail) #define SNDRV_COMPRESS_PAUSE _IO('C', 0x30) #define SNDRV_COMPRESS_RESUME _IO('C', 0x31) #define SNDRV_COMPRESS_START _IO('C', 0x32) #define SNDRV_COMPRESS_STOP _IO('C', 0x33) #define SNDRV_COMPRESS_DRAIN _IO('C', 0x34) #define SNDRV_COMPRESS_NEXT_TRACK _IO('C', 0x35) #define SNDRV_COMPRESS_PARTIAL_DRAIN _IO('C', 0x36) #define SNDRV_COMPRESS_SET_NEXT_TRACK_PARAM _IOW('C', 0x80, union snd_codec_options) #define SND_COMPR_TRIGGER_DRAIN 7 #define SND_COMPR_TRIGGER_NEXT_TRACK 8 #define SND_COMPR_TRIGGER_PARTIAL_DRAIN 9 #endif