xref: /btstack/src/classic/a2dp_source.h (revision be0f0dbba83ffd9ab234c3c761fa94543ab37b14)
1 /*
2  * Copyright (C) 2016 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
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18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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31  * SUCH DAMAGE.
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33  * Please inquire about commercial licensing options at
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35  *
36  */
37 
38 /*
39  * a2dp_source.h
40  *
41  * Advanced Audio Distribution Transport Profile (A2DP) Source
42  *
43  * A2DP Source is a device that streames media data.
44  */
45 
46 #ifndef __A2DP_SOURCE_H
47 #define __A2DP_SOURCE_H
48 
49 #include <stdint.h>
50 
51 #if defined __cplusplus
52 extern "C" {
53 #endif
54 
55 /* API_START */
56 
57 /**
58  * @brief A2DP Source service record.
59  * @param service
60  * @param service_record_handle
61  * @param supported_features 16-bit bitmap, see AVDTP_SOURCE_SF_* values in avdtp.h
62  * @param service_name
63  * @param service_provider_name
64  */
65 void a2dp_source_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name);
66 
67 void a2dp_source_init(void);
68 
69 void a2dp_source_register_packet_handler(btstack_packet_handler_t callback);
70 
71 uint8_t a2dp_source_create_stream_endpoint(avdtp_media_type_t media_type, avdtp_media_codec_type_t media_codec_type,
72 	uint8_t * codec_capabilities, uint16_t codec_capabilities_len,
73 	uint8_t * codec_configuration, uint16_t codec_configuration_len);
74 
75 /**
76  * @brief Open stream
77  * @param avdtp_cid
78  * @param seid
79  */
80 void a2dp_source_establish_stream(bd_addr_t bd_addr, uint8_t local_seid);
81 
82 /**
83  * @brief Start stream
84  * @param avdtp_cid
85  * @param seid
86  */
87 void a2dp_source_start_stream(uint8_t int_seid);
88 
89 /**
90  * @brief Start stream
91  * @param avdtp_cid
92  * @param seid
93  */
94 void a2dp_source_pause_stream(uint8_t int_seid);
95 
96 /**
97  * @brief Close stream
98  * @param avdtp_cid
99  * @param seid
100  */
101 void a2dp_source_release_stream(uint8_t int_seid);
102 
103 /**
104  * @brief Disconnect from device with connection handle.
105  * @param avdtp_cid
106  */
107 void a2dp_source_disconnect(uint16_t avdtp_cid);
108 
109 
110 // size for media (does not include media header)
111 int 	a2dp_max_media_payload_size(uint8_t int_seid);
112 
113 uint8_t a2dp_source_stream_endpoint_ready(uint8_t local_seid);
114 
115 void 	a2dp_source_stream_endpoint_request_can_send_now(uint8_t local_seid);
116 
117 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);
118 
119 /* API_END */
120 
121 #if defined __cplusplus
122 }
123 #endif
124 
125 #endif // __A2DP_SOURCE_H