pipeline_bt_sink Can I control the volume? (AUD-5663)

[hyzgit]

pipeline_a2dp_sink_stream works, but it does not support getting song information such as lyrics.

[hbler99]

Create input_key_service is an effective way to solve it, please refer

esp-adf/examples/player/pipeline_sdcard_mp3_control/main/play_sdcard_mp3_control_example.c

Line 143 in e27cd52

ESP_LOGI(TAG, "[ 3 ] Create and start input key service");

esp-adf/examples/player/pipeline_sdcard_mp3_control/main/play_sdcard_mp3_control_example.c

Line 42 in e27cd52

static esp_err_t input_key_service_cb(periph_service_handle_t handle, periph_service_event_t *evt, void *ctx)

[hyzgit]

Create input_key_service is an effective way to solve it, please refer

esp-adf/examples/player/pipeline_sdcard_mp3_control/main/play_sdcard_mp3_control_example.c

Line 143 in e27cd52

ESP_LOGI(TAG, "[ 3 ] Create and start input key service");

esp-adf/examples/player/pipeline_sdcard_mp3_control/main/play_sdcard_mp3_control_example.c

Line 42 in e27cd52

static esp_err_t input_key_service_cb(periph_service_handle_t handle, periph_service_event_t *evt, void *ctx)

This can only adjust the volume of the local decoding chip, and cannot control the volume of the Bluetooth audio source (such as a mobile phone)