Return-Path: From: Michal Labedzki To: CC: , , , Michal Labedzki Subject: [PATCH v3 13/14] AVRCP: Implement notification ADDRESSED_PLAYER_CHANGED Date: Thu, 28 Jun 2012 12:22:38 +0200 Message-ID: <1340878959-1343-13-git-send-email-michal.labedzki@tieto.com> In-Reply-To: <1340878959-1343-1-git-send-email-michal.labedzki@tieto.com> References: <1340878959-1343-1-git-send-email-michal.labedzki@tieto.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-bluetooth-owner@vger.kernel.org List-ID: It is triggered by local change of addressed player on TG while unregistering currently addressed player. --- audio/avrcp.c | 35 ++++++++++++++++++++++++++++++++++- audio/avrcp.h | 2 ++ audio/media.c | 19 ++++++++++++++++++- 3 files changed, 54 insertions(+), 2 deletions(-) diff --git a/audio/avrcp.c b/audio/avrcp.c index 93d9c42..fae04c0 100644 --- a/audio/avrcp.c +++ b/audio/avrcp.c @@ -199,6 +199,11 @@ static const uint8_t events_to_complete[] = { AVRCP_EVENT_NOW_PLAYING_CONTENT_CHANGED }; +struct addressed_param { + uint16_t player_id; + uint16_t uid_counter; +} __attribute__ ((packed)); + static GSList *servers = NULL; static unsigned int avctp_id = 0; @@ -435,6 +440,14 @@ int avrcp_event(struct avrcp_session *session, uint8_t id, void *data) memcpy(&pdu->params[1], data, sizeof(uint64_t)); break; + case AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED: + size = 5; + /* player id */ + memcpy(&pdu->params[1], data, sizeof(uint16_t)); + /* uid counter */ + memcpy(&pdu->params[3], data + 2, sizeof(uint16_t)); + + break; case AVRCP_EVENT_TRACK_REACHED_END: case AVRCP_EVENT_TRACK_REACHED_START: case AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED: @@ -609,12 +622,13 @@ static uint8_t avrcp_handle_get_capabilities(struct avrcp_player *player, return AVC_CTYPE_STABLE; case CAP_EVENTS_SUPPORTED: - pdu->params[1] = 5; + pdu->params[1] = 6; pdu->params[2] = AVRCP_EVENT_PLAYBACK_STATUS_CHANGED; pdu->params[3] = AVRCP_EVENT_TRACK_CHANGED; pdu->params[4] = AVRCP_EVENT_TRACK_REACHED_START; pdu->params[5] = AVRCP_EVENT_TRACK_REACHED_END; pdu->params[6] = AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED; + pdu->params[7] = AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED; pdu->params_len = htons(2 + pdu->params[1]); return AVC_CTYPE_STABLE; @@ -940,6 +954,8 @@ static uint8_t avrcp_handle_register_notification(struct avrcp_player *player, struct avrcp_session *session = &player->server->session; uint16_t len = ntohs(pdu->params_len); uint64_t uid; + uint16_t uid_counter; + uint16_t player_id; /* * 1 byte for EventID, 4 bytes for Playback interval but the latest @@ -961,6 +977,16 @@ static uint8_t avrcp_handle_register_notification(struct avrcp_player *player, memcpy(&pdu->params[1], &uid, sizeof(uint64_t)); break; + case AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED: + len = 5; + + player_id = htons(player->cb->get_player_id(player->user_data)); + memcpy(&pdu->params[1], &player_id, sizeof(player_id)); + + uid_counter = htons(player->cb->get_uid_counter(player->user_data)); + memcpy(&pdu->params[3], &uid_counter, sizeof(uid_counter)); + + break; case AVRCP_EVENT_TRACK_REACHED_END: case AVRCP_EVENT_TRACK_REACHED_START: case AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED: @@ -1626,12 +1652,19 @@ gboolean avrcp_set_addressed_player(struct avrcp_player *player, gboolean local) { struct avrcp_server *server = player->server; struct avrcp_session *session = &server->session; + struct addressed_param parameters; if (player == server->addressed_player) return TRUE; /* if triggered from remote, try to complete events */ if (local) { + parameters.player_id = htons(player->cb->get_player_id(player->user_data)); + parameters.uid_counter = htons(player->cb->get_uid_counter(player->user_data)); + + avrcp_event(session, AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED, + ¶meters); + if (session->version_ct == VERSION_1_3) avrcp_events_reusing(player); else diff --git a/audio/avrcp.h b/audio/avrcp.h index ec56b40..510dfde 100644 --- a/audio/avrcp.h +++ b/audio/avrcp.h @@ -92,6 +92,8 @@ struct avrcp_player_cb { void (*set_volume) (uint8_t volume, struct audio_device *dev, void *user_data); gboolean (*is_dummy_player) (void *user_data); + uint16_t (*get_player_id) (void *user_data); + uint16_t (*get_uid_counter) (void *user_data); }; struct avrcp_player *player; diff --git a/audio/media.c b/audio/media.c index 0c11cf0..c99cde6 100644 --- a/audio/media.c +++ b/audio/media.c @@ -106,6 +106,7 @@ struct media_player { uint32_t position; uint8_t volume; uint16_t id; + uint16_t uid_counter; GTimer *timer; }; @@ -1403,6 +1404,20 @@ static gboolean is_dummy_player(void *user_data) return FALSE; } +static uint16_t get_player_id(void *user_data) +{ + struct media_player *mp = user_data; + + return mp->id; +} + +static uint16_t get_uid_counter(void *user_data) +{ + struct media_player *mp = user_data; + + return mp->uid_counter; +} + static struct avrcp_player_cb player_cb = { .get_setting = get_setting, .set_setting = set_setting, @@ -1412,7 +1427,9 @@ static struct avrcp_player_cb player_cb = { .get_position = get_position, .get_status = get_status, .set_volume = set_volume, - .is_dummy_player = is_dummy_player + .is_dummy_player = is_dummy_player, + .get_player_id = get_player_id, + .get_uid_counter = get_uid_counter }; static void media_player_exit(DBusConnection *connection, void *user_data) -- on behalf of ST-Ericsson