a2dp_sbc_encoder.h revision 302113d4e44f06e90f90a5903e33ae830edb58a3 
1/******************************************************************************
2 *
3 *  Copyright (C) 2016 The Android Open Source Project
4 *  Copyright (C) 2009-2012 Broadcom Corporation
5 *
6 *  Licensed under the Apache License, Version 2.0 (the "License");
7 *  you may not use this file except in compliance with the License.
8 *  You may obtain a copy of the License at:
9 *
10 *  http://www.apache.org/licenses/LICENSE-2.0
11 *
12 *  Unless required by applicable law or agreed to in writing, software
13 *  distributed under the License is distributed on an "AS IS" BASIS,
14 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 *  See the License for the specific language governing permissions and
16 *  limitations under the License.
17 *
18 ******************************************************************************/
19
20//
21// Interface to the A2DP SBC Encoder
22//
23
24#ifndef A2DP_SBC_ENCODER_H
25#define A2DP_SBC_ENCODER_H
26
27#include "a2dp_codec_api.h"
28#include "osi/include/time.h"
29
30// Loads the A2DP SBC encoder.
31// Return true on success, otherwise false.
32bool A2DP_LoadEncoderSbc(void);
33
34// Unloads the A2DP SBC encoder.
35void A2DP_UnloadEncoderSbc(void);
36
37// Initialize the A2DP SBC encoder.
38// |p_peer_params| contains the A2DP peer information
39// The current A2DP codec config is in |a2dp_codec_config|.
40// |read_callback| is the callback for reading the input audio data.
41// |enqueue_callback| is the callback for enqueueing the encoded audio data.
42void a2dp_sbc_encoder_init(const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params,
43                           A2dpCodecConfig* a2dp_codec_config,
44                           a2dp_source_read_callback_t read_callback,
45                           a2dp_source_enqueue_callback_t enqueue_callback);
46
47// Cleanup the A2DP SBC encoder.
48void a2dp_sbc_encoder_cleanup(void);
49
50// Reset the feeding for the A2DP SBC encoder.
51void a2dp_sbc_feeding_reset(void);
52
53// Flush the feeding for the A2DP SBC encoder.
54void a2dp_sbc_feeding_flush(void);
55
56// Get the A2DP SBC encoder interval (in milliseconds).
57period_ms_t a2dp_sbc_get_encoder_interval_ms(void);
58
59// Prepare and send A2DP SBC encoded frames.
60// |timestamp_us| is the current timestamp (in microseconds).
61void a2dp_sbc_send_frames(uint64_t timestamp_us);
62
63#endif  // A2DP_SBC_ENCODER_H
64