diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-08 05:28:40 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-08 05:51:45 +0400 |
commit | bf807a5e874442aa3fe1b475459cdd509e34bff4 (patch) | |
tree | f8067bfb5e99b8b8e2716a7ea8519a4aaa8ac60f /libavcodec/vc1dec.c | |
parent | 4cda8aa1c5bc58f8a7f53a21a19b03e7379bbcdc (diff) | |
parent | 6eda85e15b38863a627fd0602098aa3250174698 (diff) |
Merge remote-tracking branch 'qatar/master'
* qatar/master: (29 commits)
sbrdsp.asm: convert all instructions to float/SSE ones.
dv: cosmetics.
dv: check buffer size before reading profile.
Revert "AAC SBR: group some writes."
udp: Print an error message if bind fails
cook: extend channel uncoupling tables so the full bit range is covered.
roqvideo: cosmetics.
roqvideo: convert to bytestream2 API.
dca: don't use av_clip_uintp2().
wmall: fix build with -DDEBUG enabled.
smc: port to bytestream2 API.
AAC SBR: group some writes.
dsputil: remove shift parameter from scalarproduct_int16
SBR DSP: unroll sum_square
rv34: remove dead code in intra availability check
rv34: clean a bit availability checks.
v4l2: update documentation
tgq: convert to bytestream2 API.
parser: remove forward declaration of MpegEncContext
dca: prevent accessing static arrays with invalid indexes.
...
Conflicts:
doc/indevs.texi
libavcodec/Makefile
libavcodec/dca.c
libavcodec/dvdata.c
libavcodec/eatgq.c
libavcodec/mmvideo.c
libavcodec/roqvideodec.c
libavcodec/smc.c
libswscale/output.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/vc1dec.c')
-rw-r--r-- | libavcodec/vc1dec.c | 144 |
1 files changed, 1 insertions, 143 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 15e5adb5c5..c324b9b75b 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 @@ -2624,7 +2482,7 @@ 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; |