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 LDAC Encoder 19 // 20 21 #ifndef A2DP_VENDOR_LDAC_ENCODER_H 22 #define A2DP_VENDOR_LDAC_ENCODER_H 23 24 #include "a2dp_codec_api.h" 25 #include "osi/include/time.h" 26 27 // Loads the A2DP LDAC encoder. 28 // Return true on success, otherwise false. 29 bool A2DP_VendorLoadEncoderLdac(void); 30 31 // Unloads the A2DP LDAC encoder. 32 void A2DP_VendorUnloadEncoderLdac(void); 33 34 // Initialize the A2DP LDAC 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. 39 void a2dp_vendor_ldac_encoder_init( 40 const tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params, 41 A2dpCodecConfig* a2dp_codec_config, 42 a2dp_source_read_callback_t read_callback, 43 a2dp_source_enqueue_callback_t enqueue_callback); 44 45 // Cleanup the A2DP LDAC encoder. 46 void a2dp_vendor_ldac_encoder_cleanup(void); 47 48 // Reset the feeding for the A2DP LDAC encoder. 49 void a2dp_vendor_ldac_feeding_reset(void); 50 51 // Flush the feeding for the A2DP LDAC encoder. 52 void a2dp_vendor_ldac_feeding_flush(void); 53 54 // Get the A2DP LDAC encoder interval (in milliseconds). 55 period_ms_t a2dp_vendor_ldac_get_encoder_interval_ms(void); 56 57 // Prepare and send A2DP LDAC encoded frames. 58 // |timestamp_us| is the current timestamp (in microseconds). 59 void a2dp_vendor_ldac_send_frames(uint64_t timestamp_us); 60 61 // Set transmit queue length for the A2DP LDAC ABR(Adaptive Bit Rate) mechanism. 62 void a2dp_vendor_ldac_set_transmit_queue_length(size_t transmit_queue_length); 63 64 #endif // A2DP_VENDOR_LDAC_ENCODER_H 65
