> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# LDAC Encoder API

**Header:** `spf/api/modules/ldac_encoder_api.h`

## Structures

### `bitrate_level_map_t`

-> Quality levels are always in ascending order of bit rate

**Members**

<ParamField path="level" type="uint32_t" />

<ParamField path="bitrate" type="uint32_t" />

### `param_id_ldac_bitrate_level_map_payload_t`

**Members**

<ParamField path="num_levels" type="uint32_t" />

## Type Definitions

### `bitrate_level_map_t`

```cpp theme={null}
typedef struct bitrate_level_map_t bitrate_level_map_t
```

### `param_id_ldac_bitrate_level_map_payload_t`

```cpp theme={null}
typedef struct param_id_ldac_bitrate_level_map_payload_t param_id_ldac_bitrate_level_map_payload_t
```

## Macros

### `LDAC_ENC_DATA_INPUT_PORT`

```c theme={null}
#define LDAC_ENC_DATA_INPUT_PORT 0x2
```

### `LDAC_ENC_DATA_OUTPUT_PORT`

```c theme={null}
#define LDAC_ENC_DATA_OUTPUT_PORT 0x1
```

### `LDAC_ENC_MODULE_STACK_SIZE`

```c theme={null}
#define LDAC_ENC_MODULE_STACK_SIZE 8192
```

### `COP_ENCODER_FEEDBACK_IN`

```c theme={null}
#define COP_ENCODER_FEEDBACK_IN AR_NON_GUID(0xC0000001)
```

### `PARAM_ID_LDAC_BIT_RATE_LEVEL_MAP`

ID of the encoder Bit Rate level map parameter.This parameter can be set at run time.

```c theme={null}
#define PARAM_ID_LDAC_BIT_RATE_LEVEL_MAP 0x08001171
```

### `MODULE_ID_LDAC_ENC`

```c theme={null}
#define MODULE_ID_LDAC_ENC 0x0700107A
```