> ## 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.

# ALAC Decoder API

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

## Macros

### `ALAC_DEC_DATA_INPUT_PORT`

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

### `ALAC_DEC_DATA_OUTPUT_PORT`

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

### `ALAC_DEC_DATA_MAX_INPUT_PORTS`

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

### `ALAC_DEC_DATA_MAX_OUTPUT_PORTS`

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

### `ALAC_DEC_MODULE_STACK_SIZE`

```c theme={null}
#define ALAC_DEC_MODULE_STACK_SIZE 1024
```

### `MODULE_ID_ALAC_DEC`

Media format ID for the Apple Lossless Audio Codec (ALAC).

```c theme={null}
#define MODULE_ID_ALAC_DEC 0x0700102B
```