1 /* 2 * Copyright 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 aptX Encoder 19 // 20 21 #ifndef A2DP_VENDOR_APTX_ENCODER_H 22 #define A2DP_VENDOR_APTX_ENCODER_H 23 24 #include "a2dp_codec_api.h" 25 26 // Loads the A2DP aptX encoder. 27 // Return true on success, otherwise false. 28 bool A2DP_VendorLoadEncoderAptx(void); 29 30 // Unloads the A2DP aptX encoder. 31 void A2DP_VendorUnloadEncoderAptx(void); 32 33 // Initialize the A2DP aptX encoder. 34 // |p_peer_params| contains the A2DP peer information. 35 // The current A2DP codec config is in |a2dp_codec_config|. 36 // |read_callback| is the callback for reading the input audio data. 37 // |enqueue_callback| is the callback for enqueueing the encoded audio data. 38 void a2dp_vendor_aptx_encoder_init( 39 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 aptX encoder. 45 void a2dp_vendor_aptx_encoder_cleanup(void); 46 47 // Reset the feeding for the A2DP aptX encoder. 48 void a2dp_vendor_aptx_feeding_reset(void); 49 50 // Flush the feeding for the A2DP aptX encoder. 51 void a2dp_vendor_aptx_feeding_flush(void); 52 53 // Get the A2DP aptX encoder interval (in milliseconds). 54 uint64_t a2dp_vendor_aptx_get_encoder_interval_ms(void); 55 56 // Prepare and send A2DP aptX encoded frames. 57 // |timestamp_us| is the current timestamp (in microseconds). 58 void a2dp_vendor_aptx_send_frames(uint64_t timestamp_us); 59 60 #endif // A2DP_VENDOR_APTX_ENCODER_H 61