59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
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/*
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* Copyright (C) 2021 Amlogic Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _AUDIO_DECODER_H_
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#define _AUDIO_DECODER_H_
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#include <hardware/audio.h>
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#include "aml_dec_api.h"
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#include "audio_buffer.h"
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struct audio_stream_out;
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/* Called before aml_decoder_process in each consume iteration. */
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#define AUDIO_DECODER_PRE 0x1000
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/**
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* Per-frame callback for audio_decoder_process().
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*
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* @param decoder_ret AUDIO_DECODER_PRE before decode;
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* otherwise the return of aml_decoder_process().
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* @return 0 to continue the consume loop; < 0 to break.
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*/
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typedef int (*audio_decoder_frame_cb)(struct audio_stream_out *stream,
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aml_dec_t *aml_dec,
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struct audio_buffer *ainput,
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int decoder_ret);
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int audio_decoder_init(struct audio_stream_out *stream);
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int audio_decoder_reset(struct audio_stream_out *stream);
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int audio_decoder_release(struct audio_stream_out *stream);
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int audio_decoder_process(struct audio_stream_out *stream,
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struct audio_buffer *abuffer,
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audio_decoder_frame_cb cb);
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int dca_get_out_ch_internal(void);
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int dca_set_out_ch_internal(int ch_num);
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/**
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* @brief Get dca decoder output channel mask(internal use).
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* @return [success]: 0 decoder not init.
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* [success]: Output channel mask, see #AmlDtsSpeakerMask.
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* [fail]: -1 get output channel fail.
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*/
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uint32_t dca_get_out_chmask_internal(void);
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#endif
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