1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17// 18// Interface to the A2DP AAC Encoder 19// 20 21#ifndef A2DP_AAC_ENCODER_H 22#define A2DP_AAC_ENCODER_H 23 24#include "a2dp_codec_api.h" 25#include "osi/include/time.h" 26 27// Loads the A2DP AAC encoder. 28// Return true on success, otherwise false. 29bool A2DP_LoadEncoderAac(void); 30 31// Unloads the A2DP AAC encoder. 32void A2DP_UnloadEncoderAac(void); 33 34// Initialize the A2DP AAC encoder. 35// |p_peer_params| contains the A2DP peer information 36// The current A2DP codec config is in |a2dp_codec_config|. 37// |read_callback| is the callback for reading the input audio data. 38// |enqueue_callback| is the callback for enqueueing the encoded audio data. 39void a2dp_aac_encoder_init(const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, 40 A2dpCodecConfig* a2dp_codec_config, 41 a2dp_source_read_callback_t read_callback, 42 a2dp_source_enqueue_callback_t enqueue_callback); 43 44// Cleanup the A2DP AAC encoder. 45void a2dp_aac_encoder_cleanup(void); 46 47// Reset the feeding for the A2DP AAC encoder. 48void a2dp_aac_feeding_reset(void); 49 50// Flush the feeding for the A2DP AAC encoder. 51void a2dp_aac_feeding_flush(void); 52 53// Get the A2DP AAC encoder interval (in milliseconds). 54period_ms_t a2dp_aac_get_encoder_interval_ms(void); 55 56// Prepare and send A2DP AAC encoded frames. 57// |timestamp_us| is the current timestamp (in microseconds). 58void a2dp_aac_send_frames(uint64_t timestamp_us); 59 60#endif // A2DP_AAC_ENCODER_H 61