diff options
author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-04-22 09:20:31 +0400 |
---|---|---|
committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-04-22 09:20:31 +0400 |
commit | 21fce71fd185dbf6ad825912bfd9200677f8a90c (patch) | |
tree | afb0b6566e4666ccd8fb1cd8c0a3e89a903226e8 | |
parent | f9f2ab8229050a1771095038a65606d6fe9bbaa5 (diff) |
Switch VLC tables in WMV3/VC-1 decoder to new static init method
Originally committed as revision 18658 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavcodec/vc1.c | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index e70a57517e..99dc4abad7 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -47,6 +47,12 @@ static const uint16_t table_mb_intra[64][2]; +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, 8620, + 9262, 10202, 10756, 11310, 12228, 15078 +}; + /** * Init VC-1 specific tables and VC1Context members * @param v The VC1Context to initialize @@ -56,52 +62,69 @@ static int vc1_init_common(VC1Context *v) { static int done = 0; int i = 0; + static VLC_TYPE vlc_table[15078][2]; v->hrd_rate = v->hrd_buffer = NULL; /* VLC tables */ if(!done) { - init_vlc(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, + INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, ff_vc1_bfraction_bits, 1, 1, - ff_vc1_bfraction_codes, 1, 1, INIT_VLC_USE_STATIC); - init_vlc(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, + 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, INIT_VLC_USE_STATIC); - init_vlc(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, + 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, INIT_VLC_USE_STATIC); - init_vlc(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, + 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, INIT_VLC_USE_STATIC); + 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_STATIC); + 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_STATIC); + 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_STATIC); + 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_STATIC); + 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_STATIC); + 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_STATIC); + ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); } - for(i=0; i<8; i++) + for(i=0; i<8; i++){ + ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i+21]]; + ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i+22] - vlc_offs[i+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_STATIC); + &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); + } + //FIXME: switching to INIT_VLC_STATIC() results in incorrect decoding init_vlc(&ff_msmp4_mb_i_vlc, MB_INTRA_VLC_BITS, 64, &ff_msmp4_mb_i_table[0][1], 4, 2, &ff_msmp4_mb_i_table[0][0], 4, 2, INIT_VLC_USE_STATIC); |