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example/le_audio_demo_util_sink: pause playback after 1 second of empty/zero packets

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This commit is contained in:
Matthias Ringwald 2023-10-31 11:41:00 +01:00
parent a77ae3beb0
commit 65cfaa3907
1 changed files with 22 additions and 6 deletions
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28
example/le_audio_demo_util_sink.c
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@ -129,6 +129,7 @@ static uint16_t plc_timeout_initial_ms;
static uint16_t plc_timeout_subsequent_ms; static uint16_t plc_timeout_subsequent_ms;
static uint32_t le_audio_demo_sink_lc3_frames; static uint32_t le_audio_demo_sink_lc3_frames;
static uint32_t le_audio_demo_sink_zero_frames;
static uint32_t samples_received; static uint32_t samples_received;
static uint32_t samples_played; static uint32_t samples_played;
static uint32_t samples_dropped; static uint32_t samples_dropped;
@ -476,7 +477,9 @@ void le_audio_demo_util_sink_receive(uint8_t stream_index, uint8_t *packet, uint
stream_last_packet_received[stream_index] = true; stream_last_packet_received[stream_index] = true;
} }
plc_check(packet_sequence_number); if (sink_receive_streaming){
plc_check(packet_sequence_number);
}
// either empty packets or num channels * num octets // either empty packets or num channels * num octets
if ((iso_sdu_length != 0) && (iso_sdu_length != le_audio_demo_sink_num_channels_per_stream * le_audio_demo_sink_octets_per_frame)) { if ((iso_sdu_length != 0) && (iso_sdu_length != le_audio_demo_sink_num_channels_per_stream * le_audio_demo_sink_octets_per_frame)) {
@ -501,14 +504,27 @@ void le_audio_demo_util_sink_receive(uint8_t stream_index, uint8_t *packet, uint
if (iso_sdu_length == 0) { if (iso_sdu_length == 0) {
// empty packet -> generate silence if (sink_receive_streaming){
memset(pcm, 0, sizeof(pcm)); // empty packet -> generate silence
uint8_t i; memset(pcm, 0, sizeof(pcm));
for (i = 0 ; i < le_audio_demo_sink_num_channels_per_stream ; i++) { uint8_t i;
have_pcm[stream_index + i] = true; for (i = 0 ; i < le_audio_demo_sink_num_channels_per_stream ; i++) {
have_pcm[stream_index + i] = true;
}
le_audio_demo_sink_zero_frames++;
// pause detection (1000 ms for 10 ms, 750 ms for 7.5 ms frames)
if (le_audio_demo_sink_zero_frames > 100){
printf("Pause detected, stopping audio\n");
log_info("Pause detected, stopping audio");
// pause/reset audio
btstack_ring_buffer_init(&playback_buffer, playback_buffer_storage, PLAYBACK_BUFFER_SIZE);
sink_receive_streaming = false;
playback_active = false;
}
} }
} else { } else {
// regular packet -> decode codec frame // regular packet -> decode codec frame
le_audio_demo_sink_zero_frames = 0;
uint8_t i; uint8_t i;
for (i = 0 ; i < le_audio_demo_sink_num_channels_per_stream ; i++){ for (i = 0 ; i < le_audio_demo_sink_num_channels_per_stream ; i++){
uint8_t tmp_BEC_detect; uint8_t tmp_BEC_detect;