xref: /btstack/src/classic/a2dp_source.h (revision 67673f1cc201341f9ffbfc67d22aa84e26381efe)
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
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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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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,
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26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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33  * Please inquire about commercial licensing options at
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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 bd_addr
78  * @param local_seid
79  * @param avdtp_cid
80  */
81 uint8_t a2dp_source_establish_stream(bd_addr_t bd_addr, uint8_t local_seid, uint16_t * avdtp_cid);
82 
83 
84 /**
85  * @brief Start stream
86  * @param avdtp_cid
87  * @param seid
88  */
89 uint8_t a2dp_source_start_stream(uint16_t avdtp_cid, uint8_t local_seid);
90 
91 /**
92  * @brief Start stream
93  * @param avdtp_cid
94  * @param seid
95  */
96 uint8_t a2dp_source_pause_stream(uint16_t avdtp_cid, uint8_t local_seid);
97 
98 /**
99  * @brief Disconnect from device with cid.
100  * @param avdtp_cid
101  */
102 uint8_t a2dp_source_disconnect(uint16_t avdtp_cid);
103 
104 // size for media (does not include media header)
105 int 	a2dp_max_media_payload_size(uint8_t local_seid);
106 
107 uint8_t a2dp_source_stream_endpoint_ready(uint16_t avdtp_cid, uint8_t local_seid);
108 
109 void 	a2dp_source_stream_endpoint_request_can_send_now(uint8_t local_seid);
110 
111 int  	a2dp_source_stream_send_media_payload(uint8_t local_seid, uint8_t * storage, int num_bytes_to_copy, uint8_t num_frames, uint8_t marker);
112 
113 /* API_END */
114 
115 #if defined __cplusplus
116 }
117 #endif
118 
119 #endif // __A2DP_SOURCE_H