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a2dp_sink_demo: allow 0..100% volume

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This commit is contained in:
Matthias Ringwald 2019-02-21 22:50:26 +01:00
parent bf872d3b80
commit bcbbbb4271
1 changed files with 8 additions and 13 deletions
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21
example/a2dp_sink_demo.c
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@ -302,16 +302,11 @@ static void playback_handler(int16_t * buffer, uint16_t num_frames){
// then start decoding sbc frames using request_* globals
request_buffer = buffer;
request_frames = num_frames;
while (request_frames){
if (btstack_ring_buffer_bytes_available(&sbc_frame_ring_buffer) >= sbc_frame_size){
// decode frame
uint8_t sbc_frame[MAX_SBC_FRAME_SIZE];
btstack_ring_buffer_read(&sbc_frame_ring_buffer, sbc_frame, sbc_frame_size, &bytes_read);
btstack_sbc_decoder_process_data(&state, 0, sbc_frame, sbc_frame_size);
} else {
printf("No SBC frame ready in ring buffer\n");
break;
}
while (request_frames && btstack_ring_buffer_bytes_available(&sbc_frame_ring_buffer) >= sbc_frame_size){
// decode frame
uint8_t sbc_frame[MAX_SBC_FRAME_SIZE];
btstack_ring_buffer_read(&sbc_frame_ring_buffer, sbc_frame, sbc_frame_size, &bytes_read);
btstack_sbc_decoder_process_data(&state, 0, sbc_frame, sbc_frame_size);
}
#ifdef STORE_FROM_PLAYBACK
@ -897,7 +892,7 @@ static void a2dp_sink_packet_handler(uint8_t packet_type, uint16_t channel, uint
if (cid != a2dp_cid) break;
a2dp_local_seid = a2dp_subevent_stream_suspended_get_local_seid(packet);
printf("A2DP Sink : stream paused\n");
// media_processing_close();
// TODO: pause stream
break;
case A2DP_SUBEVENT_STREAM_RELEASED:
@ -995,12 +990,12 @@ static void stdin_process(char cmd){
break;
// Volume Control
case 't':
volume_percentage = volume_percentage <= 90 ? volume_percentage + 10 : volume_percentage;
volume_percentage = volume_percentage <= 90 ? volume_percentage + 10 : 100;
printf(" - volume up for 10 percent, %d%% (%d) \n", volume_percentage, volume_percentage * 127 / 100);
status = avrcp_target_volume_changed(avrcp_target_cid, volume_percentage * 127 / 100);
break;
case 'T':
volume_percentage = volume_percentage >= 10 ? volume_percentage - 10 : volume_percentage;
volume_percentage = volume_percentage >= 10 ? volume_percentage - 10 : 0;
printf(" - volume down for 10 percent, %d%% (%d) \n", volume_percentage, volume_percentage * 127 / 100);
status = avrcp_target_volume_changed(avrcp_target_cid, volume_percentage * 127 / 100);
break;