Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7757a73f authored by Xiaojun Sang's avatar Xiaojun Sang
Browse files

asoc: uapi: add definition for generic decoder in techpack 



Add structure and format definition for ALAC, APE, APTX, DSD,
AAC, FLAC, VORBIS and WMA.

Change-Id: Ide8027cf06c8c2f55f34d8a1b5b1b84e05851113
Signed-off-by: default avatarXiaojun Sang <xsang@codeaurora.org>
parent cbbff680

include/uapi/audio/sound/audio_compressed_formats.h

0 → 100644
+90 −0
Original line number Diff line number Diff line 
#ifndef __AUDIO_COMPRESSED_FORMATS_H

#define __AUDIO_COMPRESSED_FORMATS_H



#include <linux/types.h>



#define AUDIO_COMP_FORMAT_ALAC 0x1

#define AUDIO_COMP_FORMAT_APE 0x2

#define AUDIO_COMP_FORMAT_APTX 0x3

#define AUDIO_COMP_FORMAT_DSD 0x4

#define AUDIO_COMP_FORMAT_FLAC 0x5

#define AUDIO_COMP_FORMAT_VORBIS 0x6

#define AUDIO_COMP_FORMAT_WMA 0x7

#define AUDIO_COMP_FORMAT_WMA_PRO 0x8



#define SND_COMPRESS_DEC_HDR

struct snd_generic_dec_aac {

	__u16 audio_obj_type;

	__u16 pce_bits_size;

} __attribute__((packed, aligned(4)));



struct snd_generic_dec_flac {

	__u16 sample_size;

	__u16 min_blk_size;

	__u16 max_blk_size;

	__u16 min_frame_size;

	__u16 max_frame_size;

} __attribute__((packed, aligned(4)));



struct snd_generic_dec_alac {

	__u32 frame_length;

	__u8 compatible_version;

	__u8 bit_depth;

	__u8 pb;

	__u8 mb;

	__u8 kb;

	__u8 num_channels;

	__u16 max_run;

	__u32 max_frame_bytes;

	__u32 avg_bit_rate;

	__u32 sample_rate;

	__u32 channel_layout_tag;

} __attribute__((packed, aligned(4)));



struct snd_generic_dec_ape {

	__u16 compatible_version;

	__u16 compression_level;

	__u32 format_flags;

	__u32 blocks_per_frame;

	__u32 final_frame_blocks;

	__u32 total_frames;

	__u16 bits_per_sample;

	__u16 num_channels;

	__u32 sample_rate;

	__u32 seek_table_present;

} __attribute__((packed, aligned(4)));



struct snd_generic_dec_wma {

	__u32 super_block_align;

	__u32 bits_per_sample;

	__u32 channelmask;

	__u32 encodeopt;

	__u32 encodeopt1;

	__u32 encodeopt2;

	__u32 avg_bit_rate;

} __attribute__((packed, aligned(4)));



#define SND_DEC_WMA_EXTENTED_SUPPORT



struct snd_generic_dec_aptx {

	__u32 lap;

	__u32 uap;

	__u32 nap;

} __attribute__((packed, aligned(4)));



struct snd_generic_dec_vorbis {

	__u32 bit_stream_fmt;

} __attribute__((packed, aligned(4)));



/** struct snd_generic_dec_dsd - codec for DSD format

 * @blk_size - dsd channel block size

 */

struct snd_generic_dec_dsd {

	__u32 blk_size;

} __attribute__((packed, aligned(4)));



struct snd_generic_dec_amrwb_plus {

	__u32 bit_stream_fmt;

} __attribute__((packed, aligned(4)));



#endif