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48 lines
1.4 KiB
48 lines
1.4 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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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_VBUFFER_H
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#define AUDIO_VBUFFER_H
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#include <pthread.h>
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typedef struct audio_vbuffer {
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pthread_mutex_t lock;
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uint8_t *data;
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size_t frame_size;
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size_t frame_count;
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size_t head;
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size_t tail;
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size_t live;
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} audio_vbuffer_t;
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int audio_vbuffer_init(audio_vbuffer_t *audio_vbuffer, size_t frame_count,
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size_t frame_size);
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int audio_vbuffer_destroy(audio_vbuffer_t *audio_vbuffer);
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int audio_vbuffer_live(audio_vbuffer_t *audio_vbuffer);
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int audio_vbuffer_dead(audio_vbuffer_t *audio_vbuffer);
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size_t audio_vbuffer_write(audio_vbuffer_t *audio_vbuffer, const void *buffer,
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size_t frame_count);
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size_t audio_vbuffer_read(audio_vbuffer_t *audio_vbuffer, void *buffer,
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size_t frame_count);
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#endif // AUDIO_VBUFFER_H
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