korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-25 21:24:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

ALSA: compress: add alac & ape decoder params

Browse Source 
Add ALAC (Apple Lossless Audio Codec) and APE (Monkey's Lossless Audio
Codec) defines and parameters required to configure these.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200316055221.1944464-7-vkoul@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vinod Koul 2020-03-16 11:22:18 +05:30 committed by Mark Brown
parent 40519a1c02
commit 0f546d6f02
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 25 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
include/uapi/sound/compress_params.h
View File

@ -75,7 +75,9 @@
#define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C)
#define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D)
#define SND_AUDIOCODEC_BESPOKE ((__u32) 0x0000000E)
#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_BESPOKE
#define SND_AUDIOCODEC_ALAC ((__u32) 0x0000000F)
#define SND_AUDIOCODEC_APE ((__u32) 0x00000010)
#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_APE
/*
* Profile and modes are listed with bit masks. This allows for a
@ -336,6 +338,26 @@ struct snd_dec_wma {
__u32 reserved;
} __attribute__((packed, aligned(4)));
struct snd_dec_alac {
__u32 frame_length;
__u8 compatible_version;
__u8 pb;
__u8 mb;
__u8 kb;
__u32 max_run;
__u32 max_frame_bytes;
} __attribute__((packed, aligned(4)));
struct snd_dec_ape {
__u16 compatible_version;
__u16 compression_level;
__u32 format_flags;
__u32 blocks_per_frame;
__u32 final_frame_blocks;
__u32 total_frames;
__u32 seek_table_present;
} __attribute__((packed, aligned(4)));
union snd_codec_options {
struct snd_enc_wma wma;
struct snd_enc_vorbis vorbis;
@ -344,6 +366,8 @@ union snd_codec_options {
struct snd_enc_generic generic;
struct snd_dec_flac flac_d;
struct snd_dec_wma wma_d;
struct snd_dec_alac alac_d;
struct snd_dec_ape ape_d;
} __attribute__((packed, aligned(4)));
/** struct snd_codec_desc - description of codec capabilities