xref: /frameworks/av/media/libstagefright/codecs/m4v_h263/enc/src/bitstream_io.h

/* ------------------------------------------------------------------
 * Copyright (C) 1998-2009 PacketVideo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 * -------------------------------------------------------------------
 */
#ifndef _BITSTREAM_IO_H_
#define _BITSTREAM_IO_H_

#define BitstreamPut1Bits(x,y)  BitstreamPutBits(x,1,y)
#define BitstreamPutGT8Bits(x,y,z) BitstreamPutBits(x,y,z)

#include "mp4lib_int.h"
#ifdef __cplusplus
extern "C"
{
#endif

    BitstreamEncVideo *BitStreamCreateEnc(Int bufferSize);
    Void  BitstreamCloseEnc(BitstreamEncVideo *stream);
    PV_STATUS BitstreamPutBits(BitstreamEncVideo *stream, Int Length, UInt Value);
    PV_STATUS BitstreamPutGT16Bits(BitstreamEncVideo *stream, Int Length, ULong Value);
    PV_STATUS BitstreamSaveWord(BitstreamEncVideo *stream);
    PV_STATUS BitstreamSavePartial(BitstreamEncVideo *stream, Int *fraction);
    Int BitstreamGetPos(BitstreamEncVideo *stream);
    void BitstreamEncReset(BitstreamEncVideo *stream);

    Int BitstreamShortHeaderByteAlignStuffing(BitstreamEncVideo *stream);
    Int BitstreamMpeg4ByteAlignStuffing(BitstreamEncVideo *stream);
    PV_STATUS BitstreamAppendEnc(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
    PV_STATUS BitstreamAppendPacket(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
    PV_STATUS BitstreamAppendPacketNoOffset(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
    PV_STATUS BitstreamRepos(BitstreamEncVideo *bitstream, Int byteCount, Int bitCount);
    PV_STATUS BitstreamFlushBits(BitstreamEncVideo *bitstream1, Int num_bit_left);
    PV_STATUS BitstreamPrependPacket(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);


    Void  BitstreamSetOverrunBuffer(BitstreamEncVideo *stream, UChar *overrunBuffer, Int oBSize, VideoEncData *video);
    PV_STATUS BitstreamUseOverrunBuffer(BitstreamEncVideo* stream, Int numExtraBytes);


#ifdef __cplusplus
}
#endif

#endif /* _BITSTREAM_IO_H_ */