* @brief IntraX8 (J-Frame) subdecoder, used by WMV2 and VC-1
*/
+#include "libavutil/avassert.h"
#include "avcodec.h"
#include "get_bits.h"
#include "mpegvideo.h"
MpegEncContext * const s= w->s;
int table_index;
- assert(mode<4);
+ av_assert2(mode<4);
if( w->j_ac_vlc[mode] ) return;
table_index = get_bits(&s->gb, 3);
w->j_ac_vlc[mode] = &j_ac_vlc[w->quant<13][mode>>1][table_index];//2 modes use same tables
- assert(w->j_ac_vlc[mode]);
+ av_assert2(w->j_ac_vlc[mode]);
}
static inline int x8_get_orient_vlc(IntraX8Context * w){
table_index = get_bits(&s->gb, 1+(w->quant<13) );
w->j_orient_vlc = &j_orient_vlc[w->quant<13][table_index];
}
- assert(w->j_orient_vlc);
- assert(w->j_orient_vlc->table);
return get_vlc2(&s->gb, w->j_orient_vlc->table, OR_VLC_BITS, OR_VLC_MTD);
}
MpegEncContext * const s= w->s;
int i,e,c;
- assert(mode<3);
+ av_assert2(mode<3);
if( !w->j_dc_vlc[mode] ) {
int table_index;
table_index = get_bits(&s->gb, 3);
//4 modes, same table
w->j_dc_vlc[mode]= &j_dc_vlc[w->quant<13][table_index];
}
- assert(w->j_dc_vlc);
- assert(w->j_dc_vlc[mode]->table);
i=get_vlc2(&s->gb, w->j_dc_vlc[mode]->table, DC_VLC_BITS, DC_VLC_MTD);
if(chroma)
return 0;
- assert(w->orient < 3);
+ av_assert2(w->orient < 3);
if(range < 2*w->quant){
if( (w->edges&3) == 0){
if(w->orient==1) w->orient=11;
};
w->raw_orient=x8_get_orient_vlc(w);
if(w->raw_orient<0) return -1;
- assert(w->raw_orient < 12 );
- assert(w->orient<3);
+ av_assert2(w->raw_orient < 12 );
+ av_assert2(w->orient<3);
w->orient=prediction_table[w->orient][w->raw_orient];
}
return 0;
int use_quant_matrix;
int sign;
- assert(w->orient<12);
+ av_assert2(w->orient<12);
s->dsp.clear_block(s->block[0]);
if(chroma){
w->s=s;
x8_vlc_init();
- assert(s->mb_width>0);
+ av_assert0(s->mb_width>0);
w->prediction_table=av_mallocz(s->mb_width*2*2);//two rows, 2 blocks per cannon mb
ff_init_scantable(s->dsp.idct_permutation, &w->scantable[0], ff_wmv1_scantable[0]);
int ff_intrax8_decode_picture(IntraX8Context * const w, int dquant, int quant_offset){
MpegEncContext * const s= w->s;
int mb_xy;
- assert(s);
w->use_quant_matrix = get_bits1(&s->gb);
w->dquant = dquant;