arduino-esp32/tools/sdk/include/bluedroid/btc_av_co.h

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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 __BTC_AV_CO_H__
#define __BTC_AV_CO_H__

#include "btc_a2dp.h"

#if (BTA_AV_INCLUDED == TRUE)
/*******************************************************************************
**  Constants & Macros
********************************************************************************/

enum {
    BTC_SV_AV_AA_SBC_INDEX = 0,
    BTC_SV_AV_AA_SBC_SINK_INDEX,
    BTC_SV_AV_AA_SEP_INDEX  /* Last index */
};


/*******************************************************************************
**  Functions
********************************************************************************/

/*******************************************************************************
 **
 ** Function         bta_av_co_cp_is_active
 **
 ** Description      Get the current configuration of content protection
 **
 ** Returns          TRUE if the current streaming has CP, FALSE otherwise
 **
 *******************************************************************************/
BOOLEAN bta_av_co_cp_is_active(void);

/*******************************************************************************
 **
 ** Function         bta_av_co_cp_get_flag
 **
 ** Description      Get content protection flag
 **                  BTA_AV_CP_SCMS_COPY_NEVER
 **                  BTA_AV_CP_SCMS_COPY_ONCE
 **                  BTA_AV_CP_SCMS_COPY_FREE
 **
 ** Returns          The current flag value
 **
 *******************************************************************************/
UINT8 bta_av_co_cp_get_flag(void);

/*******************************************************************************
 **
 ** Function         bta_av_co_cp_set_flag
 **
 ** Description      Set content protection flag
 **                  BTA_AV_CP_SCMS_COPY_NEVER
 **                  BTA_AV_CP_SCMS_COPY_ONCE
 **                  BTA_AV_CP_SCMS_COPY_FREE
 **
 ** Returns          TRUE if setting the SCMS flag is supported else FALSE
 **
 *******************************************************************************/
BOOLEAN bta_av_co_cp_set_flag(UINT8 cp_flag);

/*******************************************************************************
 **
 ** Function         bta_av_co_audio_codec_reset
 **
 ** Description      Reset the current codec configuration
 **
 ** Returns          void
 **
 *******************************************************************************/
void bta_av_co_audio_codec_reset(void);

/*******************************************************************************
 **
 ** Function         bta_av_co_audio_codec_supported
 **
 ** Description      Check if all opened connections are compatible with a codec
 **                  configuration
 **
 ** Returns          TRUE if all opened devices support this codec, FALSE otherwise
 **
 *******************************************************************************/
BOOLEAN bta_av_co_audio_codec_supported(tBTC_AV_STATUS *p_status);

/*******************************************************************************
 **
 ** Function         bta_av_co_audio_set_codec
 **
 ** Description      Set the current codec configuration from the feeding type.
 **                  This function is starting to modify the configuration, it
 **                  should be protected.
 **
 ** Returns          TRUE if successful, FALSE otherwise
 **
 *******************************************************************************/
BOOLEAN bta_av_co_audio_set_codec(const tBTC_AV_MEDIA_FEEDINGS *p_feeding, tBTC_AV_STATUS *p_status);

/*******************************************************************************
 **
 ** Function         bta_av_co_audio_get_sbc_config
 **
 ** Description      Retrieves the SBC codec configuration.  If the codec in use
 **                  is not SBC, return the default SBC codec configuration.
 **
 ** Returns          TRUE if codec is SBC, FALSE otherwise
 **
 *******************************************************************************/
BOOLEAN bta_av_co_audio_get_sbc_config(tA2D_SBC_CIE *p_sbc_config, UINT16 *p_minmtu);

/*******************************************************************************
 **
 ** Function         bta_av_co_audio_discard_config
 **
 ** Description      Discard the codec configuration of a connection
 **
 ** Returns          Nothing
 **
 *******************************************************************************/
void bta_av_co_audio_discard_config(tBTA_AV_HNDL hndl);

/*******************************************************************************
 **
 ** Function         bta_av_co_init
 **
 ** Description      Initialization
 **
 ** Returns          Nothing
 **
 *******************************************************************************/
void bta_av_co_init(void);


/*******************************************************************************
 **
 ** Function         bta_av_co_peer_cp_supported
 **
 ** Description      Checks if the peer supports CP
 **
 ** Returns          TRUE if the peer supports CP
 **
 *******************************************************************************/
BOOLEAN bta_av_co_peer_cp_supported(tBTA_AV_HNDL hndl);

/*******************************************************************************
 **
 ** Function         bta_av_co_get_remote_bitpool_pref
 **
 ** Description      Check if remote side did a setconfig within the limits
 **                  of our exported bitpool range. If set we will set the
 **                  remote preference.
 **
 ** Returns          TRUE if config set, FALSE otherwize
 **
 *******************************************************************************/
BOOLEAN bta_av_co_get_remote_bitpool_pref(UINT8 *min, UINT8 *max);

#endif  ///BTA_AV_INCLUDED == TRUE

#endif