mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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156 lines
4.7 KiB
C
156 lines
4.7 KiB
C
/*
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* Copyright (C) 2020-2024 ArtInChip Technology Co. Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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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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/* write data */
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s64 (*write)(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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#ifndef AIC_RL16
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# define AIC_RL16(x) \
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((((const uint8_t*)(x))[1] << 8) | \
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((const uint8_t*)(x))[0])
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#endif
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#ifndef AIC_RL24
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# define AIC_RL24(x) \
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(((uint32_t)((const uint8_t*)(x))[2] << 16) | \
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(((const uint8_t*)(x))[1] << 8) | \
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((const uint8_t*)(x))[0])
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#endif
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#ifndef AIC_RL32
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# define AIC_RL32(x) \
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(((uint32_t)((const uint8_t*)(x))[3] << 24) | \
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(((const uint8_t*)(x))[2] << 16) | \
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(((const uint8_t*)(x))[1] << 8) | \
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((const uint8_t*)(x))[0])
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#endif
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#ifndef AIC_RB16
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# define AIC_RB16(x) \
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((((const uint8_t*)(x))[0] << 8) | \
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((const uint8_t*)(x))[1])
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#endif
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#ifndef AIC_RB24
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# define AIC_RB24(x) \
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(((uint32_t)((const uint8_t*)(x))[0] << 16) | \
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(((const uint8_t*)(x))[1] << 8) | \
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((const uint8_t*)(x))[2])
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#endif
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#ifndef AIC_RB32
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# define AIC_RB32(x) \
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(((uint32_t)((const uint8_t*)(x))[0] << 24) | \
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(((const uint8_t*)(x))[1] << 16) | \
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(((const uint8_t*)(x))[2] << 8) | \
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((const uint8_t*)(x))[3])
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#endif
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#ifndef AIC_RB64
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# define AIC_RB64(x) \
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(((uint64_t)((const uint8_t*)(x))[0] << 56) | \
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((uint64_t)((const uint8_t*)(x))[1] << 48) | \
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((uint64_t)((const uint8_t*)(x))[2] << 40) | \
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((uint64_t)((const uint8_t*)(x))[3] << 32) | \
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((uint64_t)((const uint8_t*)(x))[4] << 24) | \
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((uint64_t)((const uint8_t*)(x))[5] << 16) | \
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((uint64_t)((const uint8_t*)(x))[6] << 8) | \
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(uint64_t)((const uint8_t*)(x))[7])
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#endif
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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_write( \
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stream, \
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buf, \
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len) \
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((struct aic_stream*)stream)->write(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, int flags);
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int aic_stream_skip(struct aic_stream* s, int len);
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void aic_stream_w8(struct aic_stream* s, int b);
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void aic_stream_wl64(struct aic_stream* s, uint64_t val);
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void aic_stream_wb64(struct aic_stream* s, uint64_t val);
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void aic_stream_wl32(struct aic_stream* s, unsigned int val);
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void aic_stream_wb32(struct aic_stream* s, unsigned int val);
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void aic_stream_wl24(struct aic_stream* s, unsigned int val);
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void aic_stream_wb24(struct aic_stream* s, unsigned int val);
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void aic_stream_wl16(struct aic_stream* s, unsigned int val);
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void aic_stream_wb16(struct aic_stream* s, unsigned int val);
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int aic_stream_r8 (struct aic_stream* s);
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unsigned int aic_stream_rl16(struct aic_stream* s);
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unsigned int aic_stream_rl24(struct aic_stream* s);
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unsigned int aic_stream_rl32(struct aic_stream* s);
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uint64_t aic_stream_rl64(struct aic_stream* s);
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unsigned int aic_stream_rb16(struct aic_stream* s);
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unsigned int aic_stream_rb24(struct aic_stream* s);
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unsigned int aic_stream_rb32(struct aic_stream* s);
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uint64_t aic_stream_rb64(struct aic_stream* s);
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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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