/*
 * Copyright (C) 2021 Amlogic 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 _AUDIO_DECODER_H_
#define _AUDIO_DECODER_H_

#include <hardware/audio.h>
#include "aml_dec_api.h"
#include "audio_buffer.h"

struct audio_stream_out;

/* Called before aml_decoder_process in each consume iteration. */
#define AUDIO_DECODER_PRE  0x1000

/**
 * Per-frame callback for audio_decoder_process().
 *
 * @param decoder_ret AUDIO_DECODER_PRE before decode;
 *                    otherwise the return of aml_decoder_process().
 * @return 0 to continue the consume loop; < 0 to break.
 */
typedef int (*audio_decoder_frame_cb)(struct audio_stream_out *stream,
                                          aml_dec_t *aml_dec,
                                          struct audio_buffer *ainput,
                                          int decoder_ret);

int audio_decoder_init(struct audio_stream_out *stream);
int audio_decoder_reset(struct audio_stream_out *stream);
int audio_decoder_release(struct audio_stream_out *stream);
int audio_decoder_process(struct audio_stream_out *stream,
                              struct audio_buffer *abuffer,
                              audio_decoder_frame_cb cb);

int dca_get_out_ch_internal(void);
int dca_set_out_ch_internal(int ch_num);

/**
 * @brief Get dca decoder output channel mask(internal use).
 * @return [success]: 0 decoder not init.
 *         [success]: Output channel mask, see #AmlDtsSpeakerMask.
 *            [fail]: -1 get output channel fail.
 */
uint32_t dca_get_out_chmask_internal(void);

#endif