vc1: Move init code shared between decoder and parser to common code file.

This fixes standalone compilation of the VC-1 parser.

1 files changed, 1 insertions, 143 deletions

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 4a991f0149..a08ad11eb9 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -45,154 +45,12 @@
 
 #define MB_INTRA_VLC_BITS 9
 #define DC_VLC_BITS 9
-#define AC_VLC_BITS 9
 
 
-static const uint16_t vlc_offs[] = {
-        0,   520,   552,   616,  1128,  1160,  1224,  1740,  1772,  1836,  1900,  2436,
-     2986,  3050,  3610,  4154,  4218,  4746,  5326,  5390,  5902,  6554,  7658,  8342,
-     9304,  9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522,
-    20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980,
-    27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866,
-    29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186,
-    31714, 31746, 31778, 32306, 32340, 32372
-};
-
 // offset tables for interlaced picture MVDATA decoding
 static const int offset_table1[9] = {  0,  1,  2,  4,  8, 16, 32,  64, 128 };
 static const int offset_table2[9] = {  0,  1,  3,  7, 15, 31, 63, 127, 255 };
 
-/**
- * Init VC-1 specific tables and VC1Context members
- * @param v The VC1Context to initialize
- * @return Status
- */
-int ff_vc1_init_common(VC1Context *v)
-{
-    static int done = 0;
-    int i = 0;
-    static VLC_TYPE vlc_table[32372][2];
-
-    v->hrd_rate = v->hrd_buffer = NULL;
-
-    /* VLC tables */
-    if (!done) {
-        INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23,
-                        ff_vc1_bfraction_bits, 1, 1,
-                        ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS);
-        INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4,
-                        ff_vc1_norm2_bits, 1, 1,
-                        ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS);
-        INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64,
-                        ff_vc1_norm6_bits, 1, 1,
-                        ff_vc1_norm6_codes, 2, 2, 556);
-        INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7,
-                        ff_vc1_imode_bits, 1, 1,
-                        ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS);
-        for (i = 0; i < 3; i++) {
-            ff_vc1_ttmb_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 0]];
-            ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0];
-            init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16,
-                     ff_vc1_ttmb_bits[i], 1, 1,
-                     ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
-            ff_vc1_ttblk_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 1]];
-            ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1];
-            init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8,
-                     ff_vc1_ttblk_bits[i], 1, 1,
-                     ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-            ff_vc1_subblkpat_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 2]];
-            ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2];
-            init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15,
-                     ff_vc1_subblkpat_bits[i], 1, 1,
-                     ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-        }
-        for (i = 0; i < 4; i++) {
-            ff_vc1_4mv_block_pattern_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 9]];
-            ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9];
-            init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16,
-                     ff_vc1_4mv_block_pattern_bits[i], 1, 1,
-                     ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-            ff_vc1_cbpcy_p_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 10]];
-            ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10];
-            init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64,
-                     ff_vc1_cbpcy_p_bits[i], 1, 1,
-                     ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
-            ff_vc1_mv_diff_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 11]];
-            ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11];
-            init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73,
-                     ff_vc1_mv_diff_bits[i], 1, 1,
-                     ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
-        }
-        for (i = 0; i < 8; i++) {
-            ff_vc1_ac_coeff_table[i].table           = &vlc_table[vlc_offs[i * 2 + 21]];
-            ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21];
-            init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, vc1_ac_sizes[i],
-                     &vc1_ac_tables[i][0][1], 8, 4,
-                     &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC);
-            /* initialize interlaced MVDATA tables (2-Ref) */
-            ff_vc1_2ref_mvdata_vlc[i].table           = &vlc_table[vlc_offs[i * 2 + 22]];
-            ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22];
-            init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126,
-                     ff_vc1_2ref_mvdata_bits[i], 1, 1,
-                     ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);
-        }
-        for (i = 0; i < 4; i++) {
-            /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */
-            ff_vc1_intfr_4mv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 37]];
-            ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37];
-            init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15,
-                     ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1,
-                     ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
-            /* initialize NON-4MV MBMODE VLC tables for the same */
-            ff_vc1_intfr_non4mv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 38]];
-            ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38];
-            init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9,
-                     ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1,
-                     ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-            /* initialize interlaced MVDATA tables (1-Ref) */
-            ff_vc1_1ref_mvdata_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 39]];
-            ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39];
-            init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72,
-                     ff_vc1_1ref_mvdata_bits[i], 1, 1,
-                     ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);
-        }
-        for (i = 0; i < 4; i++) {
-            /* Initialize 2MV Block pattern VLC tables */
-            ff_vc1_2mv_block_pattern_vlc[i].table           = &vlc_table[vlc_offs[i + 49]];
-            ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49];
-            init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4,
-                     ff_vc1_2mv_block_pattern_bits[i], 1, 1,
-                     ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-        }
-        for (i = 0; i < 8; i++) {
-            /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */
-            ff_vc1_icbpcy_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 53]];
-            ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53];
-            init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63,
-                     ff_vc1_icbpcy_p_bits[i], 1, 1,
-                     ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
-            /* Initialize interlaced field picture MBMODE VLC tables */
-            ff_vc1_if_mmv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 54]];
-            ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54];
-            init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8,
-                     ff_vc1_if_mmv_mbmode_bits[i], 1, 1,
-                     ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-            ff_vc1_if_1mv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 55]];
-            ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55];
-            init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6,
-                     ff_vc1_if_1mv_mbmode_bits[i], 1, 1,
-                     ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
-        }
-        done = 1;
-    }
-
-    /* Other defaults */
-    v->pq      = -1;
-    v->mvrange = 0; /* 7.1.1.18, p80 */
-
-    return 0;
-}
-
 /***********************************************************************/
 /**
  * @name VC-1 Bitplane decoding
@@ -2620,7 +2478,7 @@ static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip,
     int index, escape, run = 0, level = 0, lst = 0;
 
     index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3);
-    if (index != vc1_ac_sizes[codingset] - 1) {
+    if (index != ff_vc1_ac_sizes[codingset] - 1) {
         run   = vc1_index_decode_table[codingset][index][0];
         level = vc1_index_decode_table[codingset][index][1];
         lst   = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0;