diff options
| author | Johan Hedberg <johan.hedberg@nokia.com> | 2007-08-11 11:05:24 +0000 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@nokia.com> | 2007-08-11 11:05:24 +0000 |
| commit | 6763ebb3c231740c66a235f94d56e8d8cc213d90 (patch) | |
| tree | 527ad7a778289b70ac64b2d4e49512eae6d634e2 /audio/ipc.h | |
| parent | 46e860574f3d6d70d961e38270522764191cea20 (diff) | |
Integrate A2DP work from Johan's and Luiz's GIT trees
Diffstat (limited to 'audio/ipc.h')
| -rw-r--r-- | audio/ipc.h | 106 |
1 files changed, 67 insertions, 39 deletions
diff --git a/audio/ipc.h b/audio/ipc.h index e56dca24..bd31abbc 100644 --- a/audio/ipc.h +++ b/audio/ipc.h @@ -20,11 +20,15 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ +#ifndef __AUDIO_IPC_H__ +#define __AUDIO_IPC_H__ #include <stdint.h> #define IPC_TYPE_CONNECT 0x0001 +#define IPC_MTU 32 + #define IPC_SOCKET_NAME "\0/org/bluez/audio" #ifndef UNIX_PATH_MAX @@ -32,22 +36,22 @@ #endif /* Supported roles */ -#define PKT_ROLE_NONE 0 -#define PKT_ROLE_AUTO 1 -#define PKT_ROLE_VOICE 2 -#define PKT_ROLE_HIFI 3 +#define PKT_ROLE_NONE 0 +#define PKT_ROLE_AUTO 1 +#define PKT_ROLE_VOICE 2 +#define PKT_ROLE_HIFI 3 /* Packet types */ -#define PKT_TYPE_CFG_REQ 0 -#define PKT_TYPE_CFG_RSP 1 -#define PKT_TYPE_STATE_REQ 2 -#define PKT_TYPE_STATE_RSP 3 -#define PKT_TYPE_CTL_REQ 4 -#define PKT_TYPE_CTL_RSP 5 -#define PKT_TYPE_CTL_NTFY 6 +#define PKT_TYPE_CFG_REQ 0 +#define PKT_TYPE_CFG_RSP 1 +#define PKT_TYPE_STATE_REQ 2 +#define PKT_TYPE_STATE_RSP 3 +#define PKT_TYPE_CTL_REQ 4 +#define PKT_TYPE_CTL_RSP 5 +#define PKT_TYPE_CTL_NTFY 6 /* Errors codes */ -#define PKT_ERROR_NONE 0 +#define PKT_ERROR_NONE 0 struct ipc_packet { uint8_t id; /* Device id */ @@ -59,52 +63,76 @@ 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 + +/* Codec options */ +#define CFG_CODEC_NONE 0 +#define CFG_CODEC_SBC 1 struct ipc_data_cfg { int fd; /* Stream file descriptor */ uint8_t fd_opt; /* Stream file descriptor options: read, write or readwrite*/ - uint8_t encoding; /* Stream encoding */ - uint8_t bitpool; /* Encoding bitpool */ uint8_t channels; /* Number of audio channel */ - uint8_t pkt_len; /* Stream packet length */ + uint8_t channel_mode; /* Audio channel mode*/ + uint16_t pkt_len; /* Stream packet length */ uint8_t sample_size; /* Sample size in bytes */ uint16_t rate; /* Stream sample rate */ + 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; + uint8_t blocks; + uint8_t bitpool; } __attribute__ ((packed)); /* Device status */ -#define STATE_DISCONNECTED 0 -#define STATE_CONNECTING 1 -#define STATE_CONNECTED 2 -#define STATE_STREAM_STARTING 3 -#define STATE_STREAMING 4 +#define STATE_DISCONNECTED 0 +#define STATE_CONNECTING 1 +#define STATE_CONNECTED 2 +#define STATE_STREAM_STARTING 3 +#define STATE_STREAMING 4 struct ipc_data_state { uint8_t state; /* Stream state */ } __attribute__ ((packed)); -#define CTL_MODE_PLAYBACK 0 -#define CTL_MODE_CAPTURE 1 -#define CTL_MODE_GENERAL 2 +#define CTL_MODE_PLAYBACK 0 +#define CTL_MODE_CAPTURE 1 +#define CTL_MODE_GENERAL 2 /* Supported control operations */ -#define CTL_KEY_POWER 0x40 -#define CTL_KEY_VOL_UP 0x41 -#define CTL_KEY_VOL_DOWN 0x42 -#define CTL_KEY_MUTE 0x43 -#define CTL_KEY_PLAY 0x44 -#define CTL_KEY_STOP 0x45 -#define CTL_KEY_PAUSE 0x46 -#define CTL_KEY_RECORD 0x47 -#define CTL_KEY_REWIND 0x48 -#define CTL_KEY_FAST_FORWARD 0x49 -#define CTL_KEY_EJECT 0x4A -#define CTL_KEY_FORWARD 0x4B -#define CTL_KEY_BACKWARD 0x4C +#define CTL_KEY_POWER 0x40 +#define CTL_KEY_VOL_UP 0x41 +#define CTL_KEY_VOL_DOWN 0x42 +#define CTL_KEY_MUTE 0x43 +#define CTL_KEY_PLAY 0x44 +#define CTL_KEY_STOP 0x45 +#define CTL_KEY_PAUSE 0x46 +#define CTL_KEY_RECORD 0x47 +#define CTL_KEY_REWIND 0x48 +#define CTL_KEY_FAST_FORWARD 0x49 +#define CTL_KEY_EJECT 0x4A +#define CTL_KEY_FORWARD 0x4B +#define CTL_KEY_BACKWARD 0x4C struct ipc_data_ctl { uint8_t mode; /* Control Mode */ uint8_t key; /* Control Key */ } __attribute__ ((packed)); + +#endif |