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avdtp_source_demo: remove ring buffer, ...

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This commit is contained in:
Milanka Ringwald 2017-05-02 23:27:22 +02:00
parent 061eb28ed0
commit be0f0dbba8
2 changed files with 11 additions and 25 deletions
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25
src/classic/a2dp_source.c
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@ -54,6 +54,8 @@ static const char * default_a2dp_source_service_name = "BTstack A2DP Source Serv
static const char * default_a2dp_source_service_provider_name = "BTstack A2DP Source Service Provider";
static avdtp_context_t a2dp_source_context;
#define AVDTP_MEDIA_PAYLOAD_HEADER_SIZE 12
typedef struct {
// to app
uint32_t fill_audio_ring_buffer_timeout_ms;
@ -487,7 +489,7 @@ uint8_t a2dp_source_stream_endpoint_ready(uint8_t local_seid){
static void a2dp_source_setup_media_header(uint8_t * media_packet, int size, int *offset, uint8_t marker, uint16_t sequence_number){
if (size < 12){
if (size < AVDTP_MEDIA_PAYLOAD_HEADER_SIZE){
printf("small outgoing buffer\n");
return;
}
@ -532,30 +534,11 @@ int a2dp_max_media_payload_size(uint8_t int_seid){
printf("no stream_endpoint found for seid %d", int_seid);
return 0;
}
if (stream_endpoint->l2cap_media_cid == 0){
printf("no media cid found for seid %d", int_seid);
return 0;
}
int sbc_header_size = 12;
return l2cap_get_remote_mtu_for_local_cid(stream_endpoint->l2cap_media_cid) - sbc_header_size;
}
uint8_t a2dp_num_frames(uint8_t int_seid, int header_size, int num_bytes_in_frame, int bytes_in_storage){
avdtp_stream_endpoint_t * stream_endpoint = avdtp_stream_endpoint_for_seid(int_seid, &a2dp_source_context);
if (!stream_endpoint) {
printf("no stream_endpoint found for seid %d", int_seid);
return 0;
}
if (stream_endpoint->l2cap_media_cid == 0){
printf("no media cid found for seid %d", int_seid);
return 0;
}
int num_bytes_to_populate = l2cap_get_remote_mtu_for_local_cid(stream_endpoint->l2cap_media_cid) - header_size;
int calc_num_frames = btstack_min(num_bytes_to_populate/num_bytes_in_frame, bytes_in_storage/num_bytes_in_frame);
return (uint8_t)calc_num_frames;
return l2cap_get_remote_mtu_for_local_cid(stream_endpoint->l2cap_media_cid) - AVDTP_MEDIA_PAYLOAD_HEADER_SIZE;
}
static void a2dp_source_copy_media_payload(uint8_t * media_packet, int size, int * offset, uint8_t * storage, int num_bytes_to_copy, uint8_t num_frames){

11
src/classic/a2dp_source.h
View File

@ -107,11 +107,14 @@ void a2dp_source_release_stream(uint8_t int_seid);
void a2dp_source_disconnect(uint16_t avdtp_cid);
uint8_t a2dp_source_stream_endpoint_ready(uint8_t local_seid);
void a2dp_source_stream_endpoint_request_can_send_now(uint8_t local_seid);
int a2dp_source_stream_send_media_payload(uint8_t int_seid, uint8_t * storage, int num_bytes_to_copy, uint8_t num_frames, uint8_t marker);
// size for media (does not include media header)
int a2dp_max_media_payload_size(uint8_t int_seid);
uint8_t a2dp_num_frames(uint8_t int_seid, int header_size, int num_bytes_in_frame, int bytes_in_storage);
uint8_t a2dp_source_stream_endpoint_ready(uint8_t local_seid);
void a2dp_source_stream_endpoint_request_can_send_now(uint8_t local_seid);
int a2dp_source_stream_send_media_payload(uint8_t int_seid, uint8_t * storage, int num_bytes_to_copy, uint8_t num_frames, uint8_t marker);
/* API_END */