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// comment any #defs we dont use |
// comment any #defs we dont use |
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/* start codes */ |
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#define VIDOBJ_START_CODE 0x00000100 /* ..0x0000011f */ |
#define VIDOBJ_START_CODE 0x00000100 /* ..0x0000011f */ |
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#define VIDOBJLAY_START_CODE 0x00000120 /* ..0x0000012f */ |
#define VIDOBJLAY_START_CODE 0x00000120 /* ..0x0000012f */ |
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#define VISOBJSEQ_START_CODE 0x000001b0 |
#define VISOBJSEQ_START_CODE 0x000001b0 |
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#define GRPOFVOP_START_CODE 0x000001b3 |
#define GRPOFVOP_START_CODE 0x000001b3 |
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//#define VIDSESERR_ERROR_CODE 0x000001b4 |
//#define VIDSESERR_ERROR_CODE 0x000001b4 |
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#define VISOBJ_START_CODE 0x000001b5 |
#define VISOBJ_START_CODE 0x000001b5 |
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//#define SLICE_START_CODE 0x000001b7 |
#define VOP_START_CODE 0x000001b6 |
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//#define EXT_START_CODE 0x000001b8 |
//#define STUFFING_START_CODE 0x000001c3 |
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#define VISOBJ_TYPE_VIDEO 1 |
#define VISOBJ_TYPE_VIDEO 1 |
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//#define VIDOBJLAY_TYPE_SIMPLE_SCALABLE 2 |
//#define VIDOBJLAY_TYPE_SIMPLE_SCALABLE 2 |
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#define VIDOBJLAY_TYPE_CORE 3 |
#define VIDOBJLAY_TYPE_CORE 3 |
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#define VIDOBJLAY_TYPE_MAIN 4 |
#define VIDOBJLAY_TYPE_MAIN 4 |
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//#define VIDOBJLAY_TYPE_NBIT 5 |
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//#define VIDOBJLAY_TYPE_ANIM_TEXT 6 |
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//#define VIDOBJLAY_TYPE_ANIM_MESH 7 |
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//#define VIDOBJLAY_TYPE_SIMPLE_FACE 8 |
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//#define VIDOBJLAY_TYPE_STILL_SCALABLE 9 |
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#define VIDOBJLAY_TYPE_ART_SIMPLE 10 |
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//#define VIDOBJLAY_TYPE_CORE_SCALABLE 11 |
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#define VIDOBJLAY_TYPE_ACE 12 |
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//#define VIDOBJLAY_TYPE_SIMPLE_FBA 13 |
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//#define VIDOBJLAY_AR_SQUARE 1 |
//#define VIDOBJLAY_AR_SQUARE 1 |
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#define VIDOBJLAY_SHAPE_BINARY_ONLY 2 |
#define VIDOBJLAY_SHAPE_BINARY_ONLY 2 |
109 |
#define VIDOBJLAY_SHAPE_GRAYSCALE 3 |
#define VIDOBJLAY_SHAPE_GRAYSCALE 3 |
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111 |
#define VO_START_CODE 0x8 |
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#define VOL_START_CODE 0x12 |
#define SPRITE_NONE 0 |
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#define VOP_START_CODE 0x1b6 |
#define SPRITE_STATIC 1 |
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#define SPRITE_GMC 2 |
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118 |
#define READ_MARKER() BitstreamSkip(bs, 1) |
#define READ_MARKER() BitstreamSkip(bs, 1) |
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#define WRITE_MARKER() BitstreamPutBit(bs, 1) |
#define WRITE_MARKER() BitstreamPutBit(bs, 1) |
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#define RESYNC_MARKER 1 |
#define RESYNC_MARKER 1 |
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int |
int read_video_packet_header(Bitstream *bs, |
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read_video_packet_header(Bitstream *bs, int addbits); |
DECODER * dec, |
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const int addbits, |
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int * quant, |
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int * fcode_forward, |
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int * fcode_backward, |
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int * intra_dc_threshold); |
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// header stuff |
// header stuff |
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int BitstreamReadHeaders(Bitstream * bs, |
int BitstreamReadHeaders(Bitstream * bs, |
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DECODER * dec, |
DECODER * dec, |
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uint32_t * rounding, |
uint32_t * rounding, |
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uint32_t * reduced_resolution, |
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uint32_t * quant, |
uint32_t * quant, |
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uint32_t * fcode_forward, |
uint32_t * fcode_forward, |
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uint32_t * fcode_backward, |
uint32_t * fcode_backward, |
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uint32_t * intra_dc_threshold); |
uint32_t * intra_dc_threshold, |
152 |
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WARPPOINTS * gmc_warp); |
153 |
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154 |
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155 |
void BitstreamWriteVolHeader(Bitstream * const bs, |
void BitstreamWriteVolHeader(Bitstream * const bs, |
156 |
const MBParam * pParam, |
const MBParam * pParam, |
157 |
const FRAMEINFO * frame); |
const FRAMEINFO * const frame); |
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159 |
void BitstreamWriteVopHeader(Bitstream * const bs, |
void BitstreamWriteVopHeader(Bitstream * const bs, |
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const MBParam * pParam, |
const MBParam * pParam, |
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const FRAMEINFO * frame, |
const FRAMEINFO * const frame, |
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int vop_coded); |
int vop_coded); |
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164 |
void BitstreamWriteUserData(Bitstream * const bs, |
void BitstreamWriteUserData(Bitstream * const bs, |
358 |
} |
} |
359 |
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360 |
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/* pad bitstream to the next byte boundary */ |
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static void __inline |
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BitstreamPad(Bitstream * const bs) |
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{ |
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uint32_t remainder = bs->pos % 8; |
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if (remainder) { |
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BitstreamForward(bs, 8 - remainder); |
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} |
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} |
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361 |
/* read n bits from bitstream */ |
/* read n bits from bitstream */ |
362 |
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363 |
static uint32_t __inline |
static uint32_t __inline |
420 |
} |
} |
421 |
} |
} |
422 |
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423 |
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424 |
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static const int stuffing_codes[8] = |
425 |
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{ |
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/* nbits stuffing code */ |
427 |
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0, /* 1 0 */ |
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1, /* 2 01 */ |
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3, /* 3 011 */ |
430 |
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7, /* 4 0111 */ |
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0xf, /* 5 01111 */ |
432 |
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0x1f, /* 6 011111 */ |
433 |
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0x3f, /* 7 0111111 */ |
434 |
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0x7f, /* 8 01111111 */ |
435 |
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}; |
436 |
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437 |
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/* pad bitstream to the next byte boundary */ |
438 |
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439 |
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static void __inline |
440 |
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BitstreamPad(Bitstream * const bs) |
441 |
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{ |
442 |
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int bits = 8 - (bs->pos % 8); |
443 |
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if (bits < 8) |
444 |
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{ |
445 |
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BitstreamPutBits(bs, stuffing_codes[bits - 1], bits); |
446 |
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} |
447 |
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} |
448 |
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449 |
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450 |
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/* pad bitstream to the next byte boundary |
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alway pad: even if currently at the byte boundary */ |
452 |
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453 |
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static void __inline |
454 |
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BitstreamPadAlways(Bitstream * const bs) |
455 |
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{ |
456 |
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int bits = 8 - (bs->pos % 8); |
457 |
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BitstreamPutBits(bs, stuffing_codes[bits - 1], bits); |
458 |
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} |
459 |
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460 |
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461 |
#endif /* _BITSTREAM_H_ */ |
#endif /* _BITSTREAM_H_ */ |