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a2dp_sink_demo: fix start/stop, discard pending data on stream stop

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Dirk Helbig 2023-01-26 15:16:54 +01:00 committed by Matthias Ringwald
parent 9248d4da92
commit ba3545fc87
1 changed files with 8 additions and 3 deletions
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11
example/a2dp_sink_demo.c
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@ -118,8 +118,8 @@ static btstack_sbc_mode_t mode = SBC_MODE_STANDARD;
// ring buffer for SBC Frames
// below 30: add samples, 30-40: fine, above 40: drop samples
#define OPTIMAL_FRAMES_MIN 30
#define OPTIMAL_FRAMES_MAX 40
#define OPTIMAL_FRAMES_MIN 60
#define OPTIMAL_FRAMES_MAX 80
#define ADDITIONAL_FRAMES 20
static uint8_t sbc_frame_storage[(OPTIMAL_FRAMES_MAX + ADDITIONAL_FRAMES) * MAX_SBC_FRAME_SIZE];
static btstack_ring_buffer_t sbc_frame_ring_buffer;
@ -546,6 +546,9 @@ static void media_processing_pause(void){
if (audio){
audio->stop_stream();
}
// discard pending data
btstack_ring_buffer_reset(&decoded_audio_ring_buffer);
btstack_ring_buffer_reset(&sbc_frame_ring_buffer);
}
static void media_processing_close(void){
@ -592,7 +595,9 @@ static void handle_l2cap_media_data_packet(uint8_t seid, uint8_t *packet, uint16
if (!read_sbc_header(packet, size, &pos, &sbc_header)) return;
// update sample rate compensation
ratio_measure_update( &sample_rate_adaption, sbc_header.num_frames*128 );
if( audio_stream_started ) {
ratio_measure_update( &sample_rate_adaption, sbc_header.num_frames*128 );
}
const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
// process data right away if there's no audio implementation active, e.g. on posix systems to store as .wav