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avcodec/ituh263dec: Use VLC symbol table

Andreas Rheinhardt committed 2 years ago

Commit 0ef8f0f1 parent 01095121 file · +5 −6Browse files

Showing the changes to libavcodec (1 of 1 file). Show all

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libavcodec/ituh263dec.c+5−6
@@ -59,7 +59,7 @@ · 58 unmodified lines
59#define H263_MBTYPE_B_VLC_BITS 659#define H263_MBTYPE_B_VLC_BITS 6
60#define CBPC_B_VLC_BITS 360#define CBPC_B_VLC_BITS 3
61 61
62static const int h263_mb_type_b_map[15]= {62static const int16_t h263_mb_type_b_map[15]= {
63 MB_TYPE_DIRECT2 | MB_TYPE_BIDIR_MV,63 MB_TYPE_DIRECT2 | MB_TYPE_BIDIR_MV,
64 MB_TYPE_DIRECT2 | MB_TYPE_BIDIR_MV | MB_TYPE_CBP,64 MB_TYPE_DIRECT2 | MB_TYPE_BIDIR_MV | MB_TYPE_CBP,
65 MB_TYPE_DIRECT2 | MB_TYPE_BIDIR_MV | MB_TYPE_CBP | MB_TYPE_QUANT,65 MB_TYPE_DIRECT2 | MB_TYPE_BIDIR_MV | MB_TYPE_CBP | MB_TYPE_QUANT,
@@ -125,9 +125,10 @@ static av_cold void h263_decode_init_vlc(void) · 59 unmodified lines
125 ff_h263_init_rl_inter();125 ff_h263_init_rl_inter();
126 VLC_INIT_RL(ff_h263_rl_inter, 554);126 VLC_INIT_RL(ff_h263_rl_inter, 554);
127 INIT_FIRST_VLC_RL(ff_rl_intra_aic, 554);127 INIT_FIRST_VLC_RL(ff_rl_intra_aic, 554);
128 VLC_INIT_STATIC_TABLE(h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,128 VLC_INIT_STATIC_SPARSE_TABLE(h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,
129 &ff_h263_mbtype_b_tab[0][1], 2, 1,129 &ff_h263_mbtype_b_tab[0][1], 2, 1,
130 &ff_h263_mbtype_b_tab[0][0], 2, 1, 0);130 &ff_h263_mbtype_b_tab[0][0], 2, 1,
131 h263_mb_type_b_map, 2, 2, 0);
131 VLC_INIT_STATIC_TABLE(cbpc_b_vlc, CBPC_B_VLC_BITS, 4,132 VLC_INIT_STATIC_TABLE(cbpc_b_vlc, CBPC_B_VLC_BITS, 4,
132 &ff_cbpc_b_tab[0][1], 2, 1,133 &ff_cbpc_b_tab[0][1], 2, 1,
133 &ff_cbpc_b_tab[0][0], 2, 1, 0);134 &ff_cbpc_b_tab[0][0], 2, 1, 0);
@@ -911,8 +912,6 @@ int ff_h263_decode_mb(MpegEncContext *s, · 777 unmodified lines
911 av_log(s->avctx, AV_LOG_ERROR, "b mb_type damaged at %d %d\n", s->mb_x, s->mb_y);912 av_log(s->avctx, AV_LOG_ERROR, "b mb_type damaged at %d %d\n", s->mb_x, s->mb_y);
912 return SLICE_ERROR;913 return SLICE_ERROR;
913 }914 }
914
915 mb_type= h263_mb_type_b_map[ mb_type ];
916 }while(!mb_type);915 }while(!mb_type);
917 916
918 s->mb_intra = IS_INTRA(mb_type);917 s->mb_intra = IS_INTRA(mb_type);

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