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SourceVuESP-IDF Framework and ExamplesESP-IDFBTA_AvMetaCmd()

BTA_AvMetaCmd() function

* Function BTA_AvMetaCmd * Description Send a Metadata/Advanced Control command. The message contained * in p_pkt can be composed with AVRC utility functions. * This function can only be used if AV is enabled with feature * BTA_AV_FEAT_METADATA. * This message is sent only when the peer supports the TG role. 8 The only command makes sense right now is the absolute volume command. * Returns void

Syntax

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Summary

Declaration

Definition

from bta_av_api.h:902

void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt);

Implemented in bta_av_api.c:600

Arguments

Argument

rc_handle

label

cmd_code

p_pkt

References

Code

Location

Referrer

void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt)

bta_av_api.c:600

void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt);

bta_av_api.h:902

BTA_AvMetaCmd(btc_rc_cb.rc_handle, tl, BTA_AV_CMD_CTRL, p_msg);

btc_avrc.c:1179

btc_avrc_ct_send_set_player_value_cmd()

BTA_AvMetaCmd(btc_rc_cb.rc_handle, tl, AVRC_CMD_STATUS, p_msg);

btc_avrc.c:1212

btc_avrc_ct_send_get_rn_caps_cmd()

BTA_AvMetaCmd(btc_rc_cb.rc_handle, tl, AVRC_CMD_NOTIF, p_msg);

btc_avrc.c:1246

btc_avrc_ct_send_register_notification_cmd()

BTA_AvMetaCmd(btc_rc_cb.rc_handle, tl, AVRC_CMD_CTRL, p_msg);

btc_avrc.c:1279

btc_avrc_ct_send_set_absolute_volume_cmd()

BTA_AvMetaCmd(btc_rc_cb.rc_handle, tl, AVRC_CMD_STATUS, p_msg);

btc_avrc.c:1321

btc_avrc_ct_send_metadata_cmd()

Call Tree

BTA_AvMetaCmd() is called by 5 functions and calls 2 functions:

btc_avrc_ct_send_set_player_value_cmd()

btc_avrc_ct_send_get_rn_caps_cmd()

btc_avrc_ct_send_register_notification_cmd()

btc_avrc_ct_send_set_absolute_volume_cmd()

btc_avrc_ct_send_metadata_cmd()

BTA_AvMetaCmd()

osi_malloc_func()

bta_sys_sendmsg()

Data Use

BTA_AvMetaCmd() reads 2 variables and writes 6 variables:

::BTA_AV_API_META_RSP_EVT

tBTA_AV_API_META_RSP::hdr

BTA_AvMetaCmd()

BT_HDR::layer_specific

tBTA_AV_API_META_RSP::is_rsp

tBTA_AV_API_META_RSP::label

tBTA_AV_API_META_RSP::rsp_code

tBTA_AV_API_META_RSP::p_pkt

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