diff options
Diffstat (limited to 'audio/ipc.h')
| -rw-r--r-- | audio/ipc.h | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/audio/ipc.h b/audio/ipc.h index 2043b761..1c26e304 100644 --- a/audio/ipc.h +++ b/audio/ipc.h @@ -60,36 +60,38 @@ struct ipc_packet { } __attribute__ ((packed)); /* File descriptor options */ -#define CFG_FD_OPT_READ 0 -#define CFG_FD_OPT_WRITE 1 -#define CFG_FD_OPT_READWRITE 2 +#define CFG_FD_OPT_READ 0 +#define CFG_FD_OPT_WRITE 1 +#define CFG_FD_OPT_READWRITE 2 /* Audio channel mode */ -#define CFG_CHANNEL_MODE_MONO (1 << 3) -#define CFG_CHANNEL_MODE_DUAL_CHANNEL (1 << 2) -#define CFG_CHANNEL_MODE_STEREO (1 << 1) -#define CFG_CHANNEL_MODE_JOINT_STEREO 1 +#define CFG_MODE_AUTO 0 +#define CFG_MODE_MONO 1 +#define CFG_MODE_DUAL_CHANNEL 2 +#define CFG_MODE_STEREO 3 +#define CFG_MODE_JOINT_STEREO 4 + +/* Allocation method */ +#define CFG_ALLOCATION_AUTO 0 +#define CFG_ALLOCATION_LOUDNESS 1 +#define CFG_ALLOCATION_SNR 2 /* Codec options */ -#define CFG_CODEC_NONE 0 -#define CFG_CODEC_SBC 1 +#define CFG_CODEC_NONE 0 +#define CFG_CODEC_SCO 1 +#define CFG_CODEC_SBC 2 struct ipc_data_cfg { - uint8_t fd_opt; /* Stream file descriptor options: read, + uint8_t fd_opt; /* Stream file descriptor options: read, write or readwrite */ - uint8_t channels; /* Number of audio channel */ - uint8_t channel_mode; /* Audio channel mode*/ uint16_t pkt_len; /* Stream packet length */ - uint8_t sample_size; /* Sample size in bytes */ + uint8_t sample_size; /* Sample size in bytes */ + uint8_t mode; /* Audio channel mode */ uint16_t rate; /* Stream sample rate */ - uint8_t codec; /* Stream codec */ - uint8_t data[0]; /* Codec payload */ + uint8_t codec; /* Stream codec */ + uint8_t data[0]; /* Codec payload */ } __attribute__ ((packed)); -/* SBC codec options */ -#define CODEC_SBC_ALLOCATION_SNR (1 << 1) -#define CODEC_SBC_ALLOCATION_LOUDNESS 1 - struct ipc_codec_sbc { uint8_t allocation; uint8_t subbands; |