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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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char *max_run_ptr = max_run[last + (intra << 1)]; |
char *max_run_ptr = max_run[last + (intra << 1)]; |
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for(l = 0; l < 64; l++) { // run |
for(l = 0; l < 64; l++) { // run |
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int32_t level = k, run = l; |
int32_t level = k; |
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uint32_t run = l; |
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if(abs(level) <= max_level_ptr[run] && run <= max_run_ptr[abs(level)]) { |
if(abs(level) <= max_level_ptr[run] && run <= max_run_ptr[abs(level)]) { |
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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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if(pMB->mode == MODE_INTRA_Q) |
if(pMB->mode == MODE_INTRA_Q) |
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BitstreamPutBits(bs, pMB->dquant, 2); |
BitstreamPutBits(bs, pMB->dquant, 2); |
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// write interlacing |
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if (pParam->global_flags & XVID_INTERLACING) |
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{ |
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BitstreamPutBit(bs, pMB->field_dct); |
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} |
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// code block coeffs |
// code block coeffs |
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for(i = 0; i < 6; i++) |
for(i = 0; i < 6; i++) |
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{ |
{ |
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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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if(pMB->mode == MODE_INTER_Q) |
if(pMB->mode == MODE_INTER_Q) |
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BitstreamPutBits(bs, pMB->dquant, 2); |
BitstreamPutBits(bs, pMB->dquant, 2); |
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// interlacing |
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if (pParam->global_flags & XVID_INTERLACING) |
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{ |
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BitstreamPutBit(bs, pMB->field_dct); |
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DEBUG1("codep: field_dct: ", pMB->field_dct); |
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// if inter block, write field ME flag |
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if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) |
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{ |
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BitstreamPutBit(bs, pMB->field_pred); |
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DEBUG1("codep: field_pred: ", pMB->field_pred); |
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// write field prediction references |
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if (pMB->field_pred) |
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{ |
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BitstreamPutBit(bs, pMB->field_for_top); |
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BitstreamPutBit(bs, pMB->field_for_bot); |
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} |
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} |
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} |
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// code motion vector(s) |
// code motion vector(s) |
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for(i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) |
for(i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) |
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{ |
{ |
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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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{ |
{ |