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68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
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/*
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* Copyright (C) 2020-2023 ArtInChip Technology Co. Ltd
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*
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* author: <jun.ma@artinchip.com>
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* Desc: aic_stream
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*/
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#ifndef __AIC_STREAM_H__
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#define __AIC_STREAM_H__
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#ifdef __cplusplus
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extern "C"{
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#endif /* __cplusplus */
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#include "mpp_dec_type.h"
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struct aic_stream {
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/* read data */
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s64 (*read)(struct aic_stream *stream, void *buf, s64 len);
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/* return current file offset */
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s64 (*tell)(struct aic_stream *stream);
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/* close stream */
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s32 (*close)(struct aic_stream *stream);
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/* seek */
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s64 (*seek)(struct aic_stream *stream, s64 offset, s32 whence);
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/* get stream total size */
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s64 (*size)(struct aic_stream *stream);
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};
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#define aic_stream_read( \
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stream, \
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buf, \
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len) \
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((struct aic_stream*)stream)->read(stream,buf,len)
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#define aic_stream_seek( \
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stream, \
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offset, \
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whence) \
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((struct aic_stream*)stream)->seek(stream,offset,whence)
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#define aic_stream_tell(stream)\
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((struct aic_stream*)stream)->tell(stream)
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#define aic_stream_size(stream)\
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((struct aic_stream*)stream)->size(stream)
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#define aic_stream_close(stream)\
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((struct aic_stream*)stream)->close(stream)
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s32 aic_stream_open(char *uri, struct aic_stream **stream);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif
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#endif /* End of #ifdef __cplusplus */
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#endif
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