avdtp_source.c (21f2491df42b3c97a35c6e6cf252a9454eafec6b) avdtp_source.c (42780893c294d82e06e6ee0b370d0c83e51fe660)
1
2/*
3 * Copyright (C) 2016 BlueKitchen GmbH
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

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183 media_packet[pos++] = (marker << 7) | payload_type;
184 big_endian_store_16(media_packet, pos, sequence_number);
185 pos += 2;
186 big_endian_store_32(media_packet, pos, timestamp);
187 pos += 4;
188 big_endian_store_32(media_packet, pos, ssrc); // only used for multicast
189}
190
1
2/*
3 * Copyright (C) 2016 BlueKitchen GmbH
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

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183 media_packet[pos++] = (marker << 7) | payload_type;
184 big_endian_store_16(media_packet, pos, sequence_number);
185 pos += 2;
186 big_endian_store_32(media_packet, pos, timestamp);
187 pos += 4;
188 big_endian_store_32(media_packet, pos, ssrc); // only used for multicast
189}
190
191uint8_t avdtp_source_stream_send_media_payload_rtp(uint16_t avdtp_cid, uint8_t local_seid, uint8_t marker, const uint8_t * payload, uint16_t payload_size){
191uint8_t
192avdtp_source_stream_send_media_payload_rtp(uint16_t avdtp_cid, uint8_t local_seid, uint8_t marker, uint32_t timestamp,
193 const uint8_t *payload, uint16_t payload_size) {
192 UNUSED(avdtp_cid);
193
194 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(local_seid);
195 if (!stream_endpoint) {
196 log_error("avdtp source: no stream_endpoint with seid %d", local_seid);
197 return 0;
198 }
199
200 if (stream_endpoint->l2cap_media_cid == 0){
201 log_error("avdtp source: no media connection for seid %d", local_seid);
202 return 0;
203 }
204
205 uint32_t buffer_size = l2cap_get_remote_mtu_for_local_cid(stream_endpoint->l2cap_media_cid);
206 uint32_t packet_size = AVDTP_MEDIA_PAYLOAD_HEADER_SIZE + payload_size;
207 if (packet_size > buffer_size) return ERROR_CODE_MEMORY_CAPACITY_EXCEEDED;
208 l2cap_reserve_packet_buffer();
209 uint8_t * media_packet = l2cap_get_outgoing_buffer();
194 UNUSED(avdtp_cid);
195
196 avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(local_seid);
197 if (!stream_endpoint) {
198 log_error("avdtp source: no stream_endpoint with seid %d", local_seid);
199 return 0;
200 }
201
202 if (stream_endpoint->l2cap_media_cid == 0){
203 log_error("avdtp source: no media connection for seid %d", local_seid);
204 return 0;
205 }
206
207 uint32_t buffer_size = l2cap_get_remote_mtu_for_local_cid(stream_endpoint->l2cap_media_cid);
208 uint32_t packet_size = AVDTP_MEDIA_PAYLOAD_HEADER_SIZE + payload_size;
209 if (packet_size > buffer_size) return ERROR_CODE_MEMORY_CAPACITY_EXCEEDED;
210 l2cap_reserve_packet_buffer();
211 uint8_t * media_packet = l2cap_get_outgoing_buffer();
210 uint32_t timestamp = btstack_run_loop_get_time_ms();
211 avdtp_source_setup_media_header(media_packet, marker, stream_endpoint->sequence_number, timestamp);
212 (void)memcpy(&media_packet[AVDTP_MEDIA_PAYLOAD_HEADER_SIZE], payload, payload_size);
213 stream_endpoint->sequence_number++;
214 return l2cap_send_prepared(stream_endpoint->l2cap_media_cid, (uint16_t) packet_size);
215}
216
217uint8_t avdtp_source_stream_send_media_packet(uint16_t avdtp_cid, uint8_t local_seid, const uint8_t * packet, uint16_t size){
218 UNUSED(avdtp_cid);

--- 45 unchanged lines hidden --- 		212 avdtp_source_setup_media_header(media_packet, marker, stream_endpoint->sequence_number, timestamp);
213 (void)memcpy(&media_packet[AVDTP_MEDIA_PAYLOAD_HEADER_SIZE], payload, payload_size);
214 stream_endpoint->sequence_number++;
215 return l2cap_send_prepared(stream_endpoint->l2cap_media_cid, (uint16_t) packet_size);
216}
217
218uint8_t avdtp_source_stream_send_media_packet(uint16_t avdtp_cid, uint8_t local_seid, const uint8_t * packet, uint16_t size){
219 UNUSED(avdtp_cid);

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