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#include "../utils/mbfunctions.h" |
#include "../utils/mbfunctions.h" |
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#include <stdlib.h> /* malloc, free */ |
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#define ESCAPE 7167 |
#define ESCAPE 7167 |
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#define ABS(X) (((X)>0)?(X):-(X)) |
#define ABS(X) (((X)>0)?(X):-(X)) |
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#define CLIP(X,A) (X > A) ? (A) : (X) |
#define CLIP(X,A) (X > A) ? (A) : (X) |
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level += max_level_ptr[run]; |
level += max_level_ptr[run]; |
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else |
else |
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level -= max_level_ptr[run]; |
level -= max_level_ptr[run]; |
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DEBUG1("1) run:", run); |
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run -= max_run_ptr[abs(level)] + 1; |
run -= max_run_ptr[abs(level)] + 1; |
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DEBUG1("2) run:", run); |
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if(abs(level) <= max_level_ptr[run] && |
if(abs(level) <= max_level_ptr[run] && |
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run <= max_run_ptr[abs(level)]) { |
run <= max_run_ptr[abs(level)]) { |
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else |
else |
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run++; |
run++; |
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DEBUG1("3) run:", run); |
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vlc[intra]->code = (uint32_t) ((0x1e + last) << 20) | |
vlc[intra]->code = (uint32_t) ((0x1e + last) << 20) | |
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(l << 14) | (1 << 13) | ((k & 0xfff) << 1) | 1; |
(l << 14) | (1 << 13) | ((k & 0xfff) << 1) | 1; |
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{ |
{ |
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uint32_t i, mcbpc, cbpy, bits; |
uint32_t i, mcbpc, cbpy, bits; |
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mcbpc = pMB->cbp & 3; |
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cbpy = pMB->cbp >> 2; |
cbpy = pMB->cbp >> 2; |
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// write mcbpc |
// write mcbpc |
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if(pParam->coding_type == I_VOP) |
if(pParam->coding_type == I_VOP) { |
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BitstreamPutBits(bs, mcbpc_I[mcbpc].code, mcbpc_I[mcbpc].len); |
mcbpc = ((pMB->mode >> 1) & 3) | ((pMB->cbp & 3) << 2); |
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else |
BitstreamPutBits(bs, mcbpc_intra_tab[mcbpc].code, mcbpc_intra_tab[mcbpc].len); |
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BitstreamPutBits(bs, mcbpc_P_intra[mcbpc].code, mcbpc_P_intra[mcbpc].len); |
} |
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else { |
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mcbpc = (pMB->mode & 7) | ((pMB->cbp & 3) << 3); |
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BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, mcbpc_inter_tab[mcbpc].len); |
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} |
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// ac prediction flag |
// ac prediction flag |
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if(pMB->acpred_directions[0]) |
if(pMB->acpred_directions[0]) |
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int32_t i; |
int32_t i; |
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uint32_t bits, mcbpc, cbpy; |
uint32_t bits, mcbpc, cbpy; |
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mcbpc = pMB->cbp & 3; |
mcbpc = (pMB->mode & 7) | ((pMB->cbp & 3) << 3); |
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cbpy = 15 - (pMB->cbp >> 2); |
cbpy = 15 - (pMB->cbp >> 2); |
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// write mcbpc |
// write mcbpc |
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if(pMB->mode == MODE_INTER4V) |
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, mcbpc_inter_tab[mcbpc].len); |
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BitstreamPutBits(bs, mcbpc_P_inter4v[mcbpc].code, mcbpc_P_inter4v[mcbpc].len); |
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else |
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BitstreamPutBits(bs, mcbpc_P_inter[mcbpc].code, mcbpc_P_inter[mcbpc].len); |
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// write cbpy |
// write cbpy |
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BitstreamPutBits(bs, cbpy_tab[cbpy].code, cbpy_tab[cbpy].len); |
BitstreamPutBits(bs, cbpy_tab[cbpy].code, cbpy_tab[cbpy].len); |
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/*************************************************************** |
/*************************************************************** |
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/* decoding stuff starts here * |
* decoding stuff starts here * |
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/***************************************************************/ |
***************************************************************/ |
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int get_mcbpc_intra(Bitstream * bs) |
int get_mcbpc_intra(Bitstream * bs) |
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{ |
{ |