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- /**************************************************************************************
- * Copyright (c) 2018-2020 ["Peking University Shenzhen Graduate School",
- * "Peng Cheng Laboratory", and "Guangdong Bohua UHD Innovation Corporation"]
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes the software uAVS3d developed by
- * Peking University Shenzhen Graduate School, Peng Cheng Laboratory
- * and Guangdong Bohua UHD Innovation Corporation.
- * 4. Neither the name of the organizations (Peking University Shenzhen Graduate School,
- * Peng Cheng Laboratory and Guangdong Bohua UHD Innovation Corporation) nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * For more information, contact us at rgwang@pkusz.edu.cn.
- **************************************************************************************/
-
- #ifndef _BITSTREAM_H_
- #define _BITSTREAM_H_
-
- #include "com_system.h"
-
- typedef struct uavs3e_bs_t {
- u32 code; /* 32-bits buffer */
- int leftbits; /* bits left in 32-bits buffer */
- u8 *cur; /* writing position */
- u8 *end; /* buffer end */
- u8 *start; /* buffer begin */
- u8 *buftmp; /* buffer for demulation */
- } bs_t;
-
- #define BS_GET_BYTES(bs) (int)((bs)->cur - (bs)->start)
-
- void bs_init (bs_t *bs, u8 *buf, u8 *buftmp, int size);
- int bs_flush (bs_t *bs);
- int bs_write1 (bs_t *bs, int val);
- int bs_write (bs_t *bs, u32 val, int len);
- void bs_write_ue(bs_t *bs, u32 val);
- void bs_write_se(bs_t *bs, int val);
-
-
- #endif /* _BITSTREAM_H_ */
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