mirror of
https://github.com/espressif/esp-idf.git
synced 2026-10-01 10:40:47 +03:00
feat(bt): Support AAC codec for A2DP
- Allow multiple registrations of SEP - Add a callback event to report the sep information of A2DP sink - Closes https://github.com/espressif/esp-idf/issues/12114 - Closes https://github.com/espressif/esp-idf/issues/18184
This commit is contained in:
yangfeng
@@ -0,0 +1,145 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
/******************************************************************************
|
||||
*
|
||||
* interface to MPEG-2, 4 AAC codec
|
||||
*
|
||||
******************************************************************************/
|
||||
#ifndef A2D_M24_H
|
||||
#define A2D_M24_H
|
||||
#include "stack/a2d_api.h"
|
||||
#if (A2D_INCLUDED == TRUE)
|
||||
/*****************************************************************************
|
||||
** Constants
|
||||
*****************************************************************************/
|
||||
/* CIE offset in the info byte sequence */
|
||||
#define A2D_M24_CIE_OFF 3
|
||||
/* CIE length in the info byte sequence */
|
||||
#define A2D_M24_CIE_LEN 6
|
||||
|
||||
/* the LOSC of M24 media codec capability */
|
||||
#define A2D_M24_INFO_LEN 8
|
||||
|
||||
/* for Codec Specific Information Element */
|
||||
#define A2D_M24_IE_OBJ_TYPE_MSK 0xFE /* b7-b1: Object type */
|
||||
#define A2D_M24_IE_OBJ_TYPE_2_AAC_LC 0x80 /* b7: MPEG-2 AAC LC */
|
||||
#define A2D_M24_IE_OBJ_TYPE_4_AAC_LC 0x40 /* b6: MPEG-4 AAC LC */
|
||||
#define A2D_M24_IE_OBJ_TYPE_4_AAC_LTP 0x20 /* b5: MPEG-4 AAC LTP */
|
||||
#define A2D_M24_IE_OBJ_TYPE_4_AAC_SCALABLE 0x10 /* b4: MPEG-4 AAC Scalable */
|
||||
#define A2D_M24_IE_OBJ_TYPE_4_HE_AAC 0x08 /* b3: MPEG-4 HE-AAC */
|
||||
#define A2D_M24_IE_OBJ_TYPE_4_HE_AAC_V2 0x04 /* b2: MPEG-4 HE-AAC v2 */
|
||||
#define A2D_M24_IE_OBJ_TYPE_4_AAC_ELD_V2 0x02 /* b1: MPEG-4 AAC-ELD v2 */
|
||||
|
||||
#define A2D_M24_IE_DRC_MSK 0x01 /* b0: DRC */
|
||||
#define A2D_M24_IE_DRC_SUPPORT 0x01 /* DRC support */
|
||||
#define A2D_M24_IE_DRC_NS 0x00 /* DRC not support */
|
||||
|
||||
#define A2D_M24_IE_SAMP_FREQ1_MSK 0xFF /* b7-b0: Sampling frequency part 1 */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_8 0x80 /* b7:8 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_11 0x40 /* b6:11.025 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_12 0x20 /* b5:12 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_16 0x10 /* b4:16 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_22 0x08 /* b3:22.05 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_24 0x04 /* b2:24 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_32 0x02 /* b1:32 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_44 0x01 /* b0:44.1kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ1_NS 0x00 /* Sampling frequency part 1: not support */
|
||||
|
||||
#define A2D_M24_IE_SAMP_FREQ2_MSK 0xF0 /* b7-b4: Sampling frequency part 2 */
|
||||
#define A2D_M24_IE_SAMP_FREQ2_48 0x80 /* b7:48 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ2_64 0x40 /* b6:64 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ2_88 0x20 /* b5:88.2kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ2_96 0x10 /* b4:96 kHz */
|
||||
#define A2D_M24_IE_SAMP_FREQ2_NS 0x00 /* Sampling frequency part 2: not support */
|
||||
|
||||
#define A2D_M24_IE_CH_MSK 0x0F /* b3-b0: Channels */
|
||||
#define A2D_M24_IE_CH_1 0x08 /* b3: 1 */
|
||||
#define A2D_M24_IE_CH_2 0x04 /* b2: 2 */
|
||||
#define A2D_M24_IE_CH_6 0x02 /* b1: 6 */
|
||||
#define A2D_M24_IE_CH_8 0x01 /* b0: 8 */
|
||||
|
||||
#define A2D_M24_IE_VBR_MSK 0x80 /* b7: VBR */
|
||||
#define A2D_M24_IE_VBR_SUPPORT 0x80 /* VBR support */
|
||||
#define A2D_M24_IE_VBR_NS 0x00 /* VBR not support */
|
||||
|
||||
#define A2D_M24_IE_BR1_MSK 0x7F /* b6-b0: Bit rate part 1 */
|
||||
#define A2D_M24_IE_BR2_MSK 0xFF /* b7-b0: Bit rate part 2 */
|
||||
#define A2D_M24_IE_BR3_MSK 0xFF /* b7-b0: Bit rate part 3 */
|
||||
|
||||
/*****************************************************************************
|
||||
** Type Definitions
|
||||
*****************************************************************************/
|
||||
|
||||
/* data type for the M24 Codec Information Element*/
|
||||
typedef struct {
|
||||
UINT8 drc; /* DRC */
|
||||
UINT8 obj_type; /* Object type */
|
||||
UINT8 samp_freq1; /* Sampling frequency part 1 */
|
||||
UINT8 ch; /* Channels */
|
||||
UINT8 samp_freq2; /* Sampling frequency part 2 */
|
||||
UINT8 br1; /* Bit rate part 1 */
|
||||
UINT8 vbr; /* VBR */
|
||||
UINT8 br2; /* Bit rate part 2 */
|
||||
UINT8 br3; /* Bit rate part 3 */
|
||||
} tA2D_M24_CIE;
|
||||
|
||||
/*****************************************************************************
|
||||
** External Function Declarations
|
||||
*****************************************************************************/
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif
|
||||
/******************************************************************************
|
||||
**
|
||||
** Function A2D_BldM24Info
|
||||
**
|
||||
** Description This function is called by an application to build
|
||||
** the M24 Media Codec Capabilities byte sequence
|
||||
** beginning from the LOSC octet.
|
||||
** Input Parameters:
|
||||
** media_type: Indicates Audio, or Multimedia.
|
||||
**
|
||||
** p_ie: The M24 Codec Information Element information.
|
||||
**
|
||||
** Output Parameters:
|
||||
** p_result: the resulting codec info byte sequence.
|
||||
**
|
||||
** Returns A2D_SUCCESS if function execution succeeded.
|
||||
** Error status code, otherwise.
|
||||
******************************************************************************/
|
||||
extern tA2D_STATUS A2D_BldM24Info(UINT8 media_type, tA2D_M24_CIE *p_ie,
|
||||
UINT8 *p_result);
|
||||
|
||||
/******************************************************************************
|
||||
**
|
||||
** Function A2D_ParsM24Info
|
||||
**
|
||||
** Description This function is called by an application to parse
|
||||
** the M24 Media Codec Capabilities byte sequence
|
||||
** beginning from the LOSC octet.
|
||||
** Input Parameters:
|
||||
** p_info: the byte sequence to parse.
|
||||
**
|
||||
** for_caps: TRUE, if the byte sequence is for get capabilities response.
|
||||
**
|
||||
** Output Parameters:
|
||||
** p_ie: The M24 Codec Information Element information.
|
||||
**
|
||||
** Returns A2D_SUCCESS if function execution succeeded.
|
||||
** Error status code, otherwise.
|
||||
******************************************************************************/
|
||||
extern tA2D_STATUS A2D_ParsM24Info(tA2D_M24_CIE *p_ie, UINT8 *p_info,
|
||||
BOOLEAN for_caps);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif ///A2D_INCLUDED == TRUE
|
||||
|
||||
#endif /* A2D_M24_H */
|
||||
Reference in New Issue
Block a user