43 lines
1.4 KiB
C
Executable File
43 lines
1.4 KiB
C
Executable File
/*
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* Copyright 2020 Rockchip Electronics Co. LTD
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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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* Author: hh@rock-chips.com
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* Date: 2021/11/27
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*/
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#ifndef AUIDO_HW_BITSTREAM_INTERFACE_
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#define AUIDO_HW_BITSTREAM_INTERFACE_
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#include "audio_iec958.h"
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#include "audio_bitstream.h"
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#include "../asoundlib.h"
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typedef struct _rk_bistream {
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char *buffer; // output buffer
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int capaticy; // output buffer size
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enum pcm_format format; // output format
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int channel;
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int samplerate;
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char *chnStatus; // for kernel 4.19 and before version
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rk_iec958 iec958; // for kernel 5.10 and later version
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bool firstFrame;
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} rk_bistream;
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rk_bistream* bitstream_init(enum pcm_format format, int samplerate, int channel);
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int bitstream_encode(rk_bistream *bs, char *inBuffer, int inSize,
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char **outBuffer, int *outSize);
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void bitstream_destory(rk_bistream **bs);
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#endif // AUIDO_HW_BITSTREAM_INTERFACE_
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