59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/*
|
|
* 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
|