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/******************************************************************************
*
* Copyright 2009-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef BTIF_AV_CO_H
#define BTIF_AV_CO_H
#include "btif/include/btif_a2dp_source.h"
#include "stack/include/a2dp_codec_api.h"
#include "types/raw_address.h"
// Sets the active peer to |peer_addr|.
// Returns true on success, otherwise false.
bool bta_av_co_set_active_peer(const RawAddress& peer_addr);
// Gets the A2DP peer parameters that are used to initialize the encoder.
// The peer address is |peer_addr|.
// The parameters are stored in |p_peer_params|.
// |p_peer_params| cannot be null.
void bta_av_co_get_peer_params(const RawAddress& peer_addr,
tA2DP_ENCODER_INIT_PEER_PARAMS* p_peer_params);
// Gets the current A2DP encoder interface that can be used to encode and
// prepare A2DP packets for transmission - see |tA2DP_ENCODER_INTERFACE|.
// Returns the A2DP encoder interface if the current codec is setup,
// otherwise NULL.
const tA2DP_ENCODER_INTERFACE* bta_av_co_get_encoder_interface(void);
// Gets the current A2DP decoder interface that can be used to decode received
// A2DP packets - see |tA2DP_DECODER_INTERFACE|.
// Returns the A2DP decoder interface if the current codec is setup, otherwise
// NULL.
const tA2DP_DECODER_INTERFACE* bta_av_co_get_decoder_interface(void);
// Sets the user preferred codec configuration.
// The peer address is |peer_addr|.
// |codec_user_config| contains the preferred codec configuration.
// |restart_output| is used to know whether AV is reconfiguring with remote.
// Returns true on success, otherwise false.
bool bta_av_co_set_codec_user_config(
const RawAddress& peer_addr,
const btav_a2dp_codec_config_t& codec_user_config, bool* p_restart_output);
// Sets the Audio HAL selected audio feeding parameters.
// Those parameters are applied only to the currently selected codec.
// |codec_audio_config| contains the selected audio feeding configuration.
// Returns true on success, otherwise false.
bool bta_av_co_set_codec_audio_config(
const btav_a2dp_codec_config_t& codec_audio_config);
// Initializes the control block.
// |codec_priorities| contains the A2DP Source codec priorities to use.
void bta_av_co_init(
const std::vector<btav_a2dp_codec_config_t>& codec_priorities);
// Checks whether the codec for |codec_index| is supported.
// Returns true if the codec is supported, otherwise false.
bool bta_av_co_is_supported_codec(btav_a2dp_codec_index_t codec_index);
// Gets the current A2DP codec for the active peer.
// Returns a pointer to the current |A2dpCodecConfig| if valid, otherwise
// nullptr.
A2dpCodecConfig* bta_av_get_a2dp_current_codec(void);
// Gets the current A2DP codec for a peer identified by |peer_address|.
// Returns a pointer to the current |A2dpCodecConfig| if valid, otherwise
// nullptr.
A2dpCodecConfig* bta_av_get_a2dp_peer_current_codec(
const RawAddress& peer_address);
// Gets the A2DP effective frame size from the current encoder.
// Returns the effective frame size if the encoder is configured, otherwise 0.
int bta_av_co_get_encoder_effective_frame_size();
// Dump A2DP codec debug-related information for the A2DP module.
// |fd| is the file descriptor to use for writing the ASCII formatted
// information.
void btif_a2dp_codec_debug_dump(int fd);
#endif // BTIF_AV_CO_H
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