1 /* ------------------------------------------------------------------
2  * Copyright (C) 1998-2009 PacketVideo
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13  * express or implied.
14  * See the License for the specific language governing permissions
15  * and limitations under the License.
16  * -------------------------------------------------------------------
17  */
18 #ifndef _BITSTREAM_IO_H_
19 #define _BITSTREAM_IO_H_
20 
21 #define BitstreamPut1Bits(x,y)  BitstreamPutBits(x,1,y)
22 #define BitstreamPutGT8Bits(x,y,z) BitstreamPutBits(x,y,z)
23 
24 #include "mp4lib_int.h"
25 #ifdef __cplusplus
26 extern "C"
27 {
28 #endif
29 
30     BitstreamEncVideo *BitStreamCreateEnc(Int bufferSize);
31     Void  BitstreamCloseEnc(BitstreamEncVideo *stream);
32     PV_STATUS BitstreamPutBits(BitstreamEncVideo *stream, Int Length, UInt Value);
33     PV_STATUS BitstreamPutGT16Bits(BitstreamEncVideo *stream, Int Length, ULong Value);
34     PV_STATUS BitstreamSaveWord(BitstreamEncVideo *stream);
35     PV_STATUS BitstreamSavePartial(BitstreamEncVideo *stream, Int *fraction);
36     Int BitstreamGetPos(BitstreamEncVideo *stream);
37     void BitstreamEncReset(BitstreamEncVideo *stream);
38 
39     Int BitstreamShortHeaderByteAlignStuffing(BitstreamEncVideo *stream);
40     Int BitstreamMpeg4ByteAlignStuffing(BitstreamEncVideo *stream);
41     PV_STATUS BitstreamAppendEnc(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
42     PV_STATUS BitstreamAppendPacket(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
43     PV_STATUS BitstreamAppendPacketNoOffset(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
44     PV_STATUS BitstreamRepos(BitstreamEncVideo *bitstream, Int byteCount, Int bitCount);
45     PV_STATUS BitstreamFlushBits(BitstreamEncVideo *bitstream1, Int num_bit_left);
46     PV_STATUS BitstreamPrependPacket(BitstreamEncVideo *bitstream1, BitstreamEncVideo *bitstream2);
47 
48 
49     Void  BitstreamSetOverrunBuffer(BitstreamEncVideo *stream, UChar *overrunBuffer, Int oBSize, VideoEncData *video);
50     PV_STATUS BitstreamUseOverrunBuffer(BitstreamEncVideo* stream, Int numExtraBytes);
51 
52 
53 #ifdef __cplusplus
54 }
55 #endif
56 
57 #endif /* _BITSTREAM_IO_H_ */
58