diff options
Diffstat (limited to 'audio/avdtp.h')
-rw-r--r-- | audio/avdtp.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/audio/avdtp.h b/audio/avdtp.h new file mode 100644 index 00000000..de7e6e3d --- /dev/null +++ b/audio/avdtp.h @@ -0,0 +1,268 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2006-2007 Nokia Corporation + * Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +typedef enum { + AVDTP_ERROR_ERRNO, + AVDTP_ERROR_ERROR_CODE +} avdtp_error_type_t; + +struct avdtp; +struct avdtp_stream; +struct avdtp_local_sep; +struct avdtp_remote_sep; +struct avdtp_error { + avdtp_error_type_t type; + union { + uint8_t error_code; + int posix_errno; + } err; +}; + +/* SEP capability categories */ +#define AVDTP_MEDIA_TRANSPORT 0x01 +#define AVDTP_REPORTING 0x02 +#define AVDTP_RECOVERY 0x03 +#define AVDTP_CONTENT_PROTECTION 0x04 +#define AVDTP_HEADER_COMPRESSION 0x05 +#define AVDTP_MULTIPLEXING 0x06 +#define AVDTP_MEDIA_CODEC 0x07 + +/* AVDTP error definitions */ +#define AVDTP_BAD_HEADER_FORMAT 0x01 +#define AVDTP_BAD_LENGTH 0x11 +#define AVDTP_BAD_ACP_SEID 0x12 +#define AVDTP_SEP_IN_USE 0x13 +#define AVDTP_SEP_NOT_IN_USE 0x14 +#define AVDTP_BAD_SERV_CATEGORY 0x17 +#define AVDTP_BAD_PAYLOAD_FORMAT 0x18 +#define AVDTP_NOT_SUPPORTED_COMMAND 0x19 +#define AVDTP_INVALID_CAPABILITIES 0x1A +#define AVDTP_BAD_RECOVERY_TYPE 0x22 +#define AVDTP_BAD_MEDIA_TRANSPORT_FORMAT 0x23 +#define AVDTP_BAD_RECOVERY_FORMAT 0x25 +#define AVDTP_BAD_ROHC_FORMAT 0x26 +#define AVDTP_BAD_CP_FORMAT 0x27 +#define AVDTP_BAD_MULTIPLEXING_FORMAT 0x28 +#define AVDTP_UNSUPPORTED_CONFIGURATION 0x29 +#define AVDTP_BAD_STATE 0x31 + +/* SEP types definitions */ +#define AVDTP_SEP_TYPE_SOURCE 0x00 +#define AVDTP_SEP_TYPE_SINK 0x01 + +/* Media types definitions */ +#define AVDTP_MEDIA_TYPE_AUDIO 0x00 +#define AVDTP_MEDIA_TYPE_VIDEO 0x01 +#define AVDTP_MEDIA_TYPE_MULTIMEDIA 0x02 + +typedef enum { + AVDTP_STATE_IDLE, + AVDTP_STATE_CONFIGURED, + AVDTP_STATE_OPEN, + AVDTP_STATE_STREAMING, + AVDTP_STATE_CLOSING, + AVDTP_STATE_ABORTING, +} avdtp_state_t; + +struct avdtp_service_capability { + uint8_t category; + uint8_t length; + uint8_t data[0]; +} __attribute__ ((packed)); + +#if __BYTE_ORDER == __LITTLE_ENDIAN + +struct avdtp_media_codec_capability { + uint8_t rfa0:4; + uint8_t media_type:4; + uint8_t media_codec_type; + uint8_t data[0]; +} __attribute__ ((packed)); + +#elif __BYTE_ORDER == __BIG_ENDIAN + +struct avdtp_media_codec_capability { + uint8_t media_type:4; + uint8_t rfa0:4; + uint8_t media_codec_type; + uint8_t data[0]; +} __attribute__ ((packed)); + +#else +#error "Unknown byte order" +#endif + +typedef void (*avdtp_stream_state_cb) (struct avdtp_stream *stream, + avdtp_state_t old_state, + avdtp_state_t new_state, + struct avdtp_error *err, + void *user_data); + +/* Callbacks for when a reply is received to a command that we sent */ +struct avdtp_sep_cfm { + void (*set_configuration) (struct avdtp *session, + struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + struct avdtp_error *err, + void *user_data); + void (*get_configuration) (struct avdtp *session, + struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + struct avdtp_error *err, + void *user_data); + void (*open) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data); + void (*start) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, struct avdtp_error *err, + void *user_data); + void (*suspend) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + struct avdtp_error *err, void *user_data); + void (*close) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + struct avdtp_error *err, void *user_data); + void (*abort) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + struct avdtp_error *err, void *user_data); + void (*reconfigure) (struct avdtp *session, + struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + struct avdtp_error *err, void *user_data); +}; + +/* Callbacks for indicating when we received a new command. The return value + * indicates whether the command should be rejected or accepted */ +struct avdtp_sep_ind { + gboolean (*get_capability) (struct avdtp *session, + struct avdtp_local_sep *sep, + GSList **caps, uint8_t *err, + void *user_data); + gboolean (*set_configuration) (struct avdtp *session, + struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, + GSList *caps, uint8_t *err, + uint8_t *category, void *user_data); + gboolean (*get_configuration) (struct avdtp *session, + struct avdtp_local_sep *lsep, + uint8_t *err, void *user_data); + gboolean (*open) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data); + gboolean (*start) (struct avdtp *session, struct avdtp_local_sep *lsep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data); + gboolean (*suspend) (struct avdtp *session, + struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data); + gboolean (*close) (struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data); + gboolean (*abort) (struct avdtp *session, struct avdtp_local_sep *sep, + struct avdtp_stream *stream, uint8_t *err, + void *user_data); + gboolean (*reconfigure) (struct avdtp *session, + struct avdtp_local_sep *lsep, + uint8_t *err, void *user_data); +}; + +typedef void (*avdtp_discover_cb_t) (struct avdtp *session, GSList *seps, + struct avdtp_error *err, void *user_data); + +struct avdtp *avdtp_get(bdaddr_t *src, bdaddr_t *dst); + +void avdtp_unref(struct avdtp *session); +struct avdtp *avdtp_ref(struct avdtp *session); + +gboolean avdtp_is_connected(const bdaddr_t *src, const bdaddr_t *dst); + +struct avdtp_service_capability *avdtp_service_cap_new(uint8_t category, + void *data, int size); + +struct avdtp_service_capability *avdtp_get_codec(struct avdtp_remote_sep *sep); + +int avdtp_discover(struct avdtp *session, avdtp_discover_cb_t cb, + void *user_data); + +gboolean avdtp_has_stream(struct avdtp *session, struct avdtp_stream *stream); + +unsigned int avdtp_stream_add_cb(struct avdtp *session, + struct avdtp_stream *stream, + avdtp_stream_state_cb cb, void *data); +gboolean avdtp_stream_remove_cb(struct avdtp *session, + struct avdtp_stream *stream, + unsigned int id); + +gboolean avdtp_stream_get_transport(struct avdtp_stream *stream, int *sock, + uint16_t *imtu, uint16_t *omtu, + GSList **caps); + +gboolean avdtp_stream_has_capability(struct avdtp_stream *stream, + struct avdtp_service_capability *cap); +gboolean avdtp_stream_has_capabilities(struct avdtp_stream *stream, + GSList *caps); + +int avdtp_set_configuration(struct avdtp *session, + struct avdtp_remote_sep *rsep, + struct avdtp_local_sep *lsep, + GSList *caps, + struct avdtp_stream **stream); + +int avdtp_get_configuration(struct avdtp *session, + struct avdtp_stream *stream); + +int avdtp_open(struct avdtp *session, struct avdtp_stream *stream); +int avdtp_reconfigure(struct avdtp *session, GSList *caps, + struct avdtp_stream *stream); +int avdtp_start(struct avdtp *session, struct avdtp_stream *stream); +int avdtp_suspend(struct avdtp *session, struct avdtp_stream *stream); +int avdtp_close(struct avdtp *session, struct avdtp_stream *stream); +int avdtp_abort(struct avdtp *session, struct avdtp_stream *stream); + +struct avdtp_local_sep *avdtp_register_sep(uint8_t type, uint8_t media_type, + uint8_t codec_type, + struct avdtp_sep_ind *ind, + struct avdtp_sep_cfm *cfm, + void *user_data); + +/* Find a matching pair of local and remote SEP ID's */ +int avdtp_get_seps(struct avdtp *session, uint8_t type, uint8_t media, + uint8_t codec, struct avdtp_local_sep **lsep, + struct avdtp_remote_sep **rsep); + +int avdtp_unregister_sep(struct avdtp_local_sep *sep); + +avdtp_state_t avdtp_sep_get_state(struct avdtp_local_sep *sep); + +void avdtp_error_init(struct avdtp_error *err, uint8_t type, int id); +const char *avdtp_strerror(struct avdtp_error *err); +avdtp_error_type_t avdtp_error_type(struct avdtp_error *err); +int avdtp_error_error_code(struct avdtp_error *err); +int avdtp_error_posix_errno(struct avdtp_error *err); + +void avdtp_get_peers(struct avdtp *session, bdaddr_t *src, bdaddr_t *dst); + +int avdtp_init(GKeyFile *config); +void avdtp_exit(void); |