1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #ifndef BTIF_AV_CO_H 20 #define BTIF_AV_CO_H 21 22 #include "btif/include/btif_a2dp_source.h" 23 #include "stack/include/a2dp_codec_api.h" 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 // Gets the A2DP peer parameters that are used to initialize the encoder. 30 // The parameters are stored in |p_peer_params|. 31 // |p_peer_params| cannot be null. 32 void bta_av_co_get_peer_params(tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params); 33 34 // Gets the current A2DP encoder interface that can be used to encode and 35 // prepare A2DP packets for transmission - see |tA2DP_ENCODER_INTERFACE|. 36 // Returns the A2DP encoder interface if the current codec is setup, 37 // otherwise NULL. 38 const tA2DP_ENCODER_INTERFACE* bta_av_co_get_encoder_interface(void); 39 40 // Sets the user preferred codec configuration. 41 // |codec_user_config| contains the preferred codec configuration. 42 // Returns true on success, otherwise false. 43 bool bta_av_co_set_codec_user_config( 44 const btav_a2dp_codec_config_t& codec_user_config); 45 46 // Sets the Audio HAL selected audio feeding parameters. 47 // Those parameters are applied only to the currently selected codec. 48 // |codec_audio_config| contains the selected audio feeding configuration. 49 // Returns true on success, otherwise false. 50 bool bta_av_co_set_codec_audio_config( 51 const btav_a2dp_codec_config_t& codec_audio_config); 52 53 // Initializes the control block. 54 // |codec_priorities| contains the A2DP Source codec priorities to use. 55 void bta_av_co_init( 56 const std::vector<btav_a2dp_codec_config_t>& codec_priorities); 57 58 // Gets the initialized A2DP codecs. 59 // Returns a pointer to the |A2dpCodecs| object with the initialized A2DP 60 // codecs, or nullptr if no codecs are initialized. 61 A2dpCodecs* bta_av_get_a2dp_codecs(void); 62 63 // Gets the current A2DP codec. 64 // Returns a pointer to the current |A2dpCodec| if valid, otherwise nullptr. 65 A2dpCodecConfig* bta_av_get_a2dp_current_codec(void); 66 67 #ifdef __cplusplus 68 } 69 #endif 70 71 #endif // BTIF_AV_CO_H 72