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preliminary vc9 bitstream decoder, committing to make syncing and team-work on it easier
Originally committed as revision 3861 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi
parent
b9866ebcc7
commit
21aa398f3d
@ -21,7 +21,7 @@ OBJS= bitstream.o utils.o mem.o allcodecs.o \
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msvideo1.o vqavideo.o idcinvideo.o adx.o rational.o faandct.o 8bps.o \
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smc.o parser.o flicvideo.o truemotion1.o vmdav.o lcl.o qtrle.o g726.o \
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flac.o vp3dsp.o integer.o snow.o tscc.o sonic.o ulti.o h264idct.o \
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qdrw.o xl.o rangecoder.o png.o pnm.o qpeg.o
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qdrw.o xl.o rangecoder.o png.o pnm.o qpeg.o vc9.o
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AMROBJS=
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ifeq ($(AMR_NB),yes)
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@ -102,6 +102,8 @@ enum CodecID {
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CODEC_ID_FFVHUFF,
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CODEC_ID_RV30,
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CODEC_ID_RV40,
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CODEC_ID_VC9,
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CODEC_ID_WMV3,
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/* various pcm "codecs" */
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@ -1886,6 +1888,8 @@ extern AVCodec msmpeg4v2_decoder;
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extern AVCodec msmpeg4v3_decoder;
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extern AVCodec wmv1_decoder;
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extern AVCodec wmv2_decoder;
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extern AVCodec vc9_decoder;
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extern AVCodec wmv3_decoder;
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extern AVCodec mpeg1video_decoder;
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extern AVCodec mpeg2video_decoder;
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extern AVCodec mpegvideo_decoder;
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1723
libavcodec/vc9.c
Normal file
1723
libavcodec/vc9.c
Normal file
File diff suppressed because it is too large
Load Diff
373
libavcodec/vc9data.h
Normal file
373
libavcodec/vc9data.h
Normal file
@ -0,0 +1,373 @@
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/**
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* @file vc9data.h
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* VC9 tables.
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*/
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#ifndef VC9DATA_H
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#define VC9DATA_H
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/* bfraction is fractional, we scale to the GCD 3*5*7*8 = 840 */
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const int16_t vc9_bfraction_lut[23] = {
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420 /*1/2*/, 280 /*1/3*/, 560 /*2/3*/, 210 /*1/4*/,
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630 /*3/4*/, 168 /*1/5*/, 336 /*2/5*/,
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504 /*3/5*/, 672 /*4/5*/, 140 /*1/6*/, 700 /*5/6*/,
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120 /*1/7*/, 240 /*2/7*/, 360 /*3/7*/, 480 /*4/7*/,
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600 /*5/7*/, 720 /*6/7*/, 105 /*1/8*/, 315 /*3/8*/,
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525 /*5/8*/, 735 /*7/8*/,
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-1 /*inv.*/, 0 /*BI fm*/
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};
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const uint8_t vc9_bfraction_bits[23] = {
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3, 3, 3, 3,
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3, 3, 3,
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7, 7, 7, 7,
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7, 7, 7, 7,
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7, 7, 7, 7,
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7, 7,
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7, 7
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};
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const uint8_t vc9_bfraction_codes[23] = {
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0, 1, 2, 3,
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4, 5, 6,
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112, 113, 114, 115,
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116, 117, 118, 119,
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120, 121, 122, 123,
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124, 125,
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126, 127
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};
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//Same as H.264
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static const AVRational vc9_pixel_aspect[16]={
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{0, 1},
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{1, 1},
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{12, 11},
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{10, 11},
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{16, 11},
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{40, 33},
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{24, 11},
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{20, 11},
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{32, 11},
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{80, 33},
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{18, 11},
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{15, 11},
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{64, 33},
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{160, 99},
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{0, 1},
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{0, 1}
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};
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/* BitPlane IMODE - such a small table... */
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static const uint8_t vc9_imode_codes[7] = {
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0, 2, 1, 3, 1, 2, 3
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};
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static const uint8_t vc9_imode_bits[7] = {
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4, 2, 3, 2, 4, 3, 3
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};
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/* Normal-2 imode */
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static const uint8_t vc9_norm2_codes[4] = {
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0, 4, 5, 3
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};
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static const uint8_t vc9_norm2_bits[4] = {
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1, 3, 3, 2
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};
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/* 4MV Block pattern VLC tables */
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static const uint8_t vc9_4mv_block_pattern_codes[4][16] = {
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{ 14, 58, 59, 25, 12, 26, 15, 15, 13, 24, 27, 0, 28, 1, 2, 2},
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{ 8, 18, 19, 4, 20, 5, 30, 11, 21, 31, 6, 12, 7, 13, 14, 0},
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{ 15, 6, 7, 2, 8, 3, 28, 9, 10, 29, 4, 11, 5, 12, 13, 0},
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{ 0, 11, 12, 4, 13, 5, 30, 16, 14, 31, 6, 17, 7, 18, 19, 19}
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};
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static const uint8_t vc9_4mv_block_pattern_bits[4][16] = {
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{ 5, 6, 6, 5, 5, 5, 5, 4, 5, 5, 5, 3, 5, 3, 3, 2},
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{ 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 4, 2},
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{ 4, 4, 4, 4, 4, 4, 5, 4, 4, 5, 4, 4, 4, 4, 4, 3},
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{ 2, 4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4}
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};
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/* I-Picture CBPCY VLC tables */
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static const uint16_t vc9_cbpcy_i_codes[64] = {
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1, 23, 9, 5, 6, 71, 32, 16,
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2, 124, 58, 29, 2, 236, 119, 0,
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3, 183, 44, 19, 1, 360, 70, 63,
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30, 1810, 181, 66, 34, 453, 286, 135,
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6, 3, 30, 28, 18, 904, 68, 112,
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31, 574, 57, 142, 1, 454, 182, 69,
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20, 575, 125, 24, 7, 455, 134, 25,
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21, 475, 2, 70, 13, 1811, 474, 361
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};
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static const uint8_t vc9_cbpcy_i_bits[64] = {
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1, 6, 5, 5, 5, 9, 7, 7, 5, 9, 7, 7, 6, 9, 8, 8,
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5, 9, 7, 7, 6, 10, 8, 8, 6, 13, 9, 8, 7, 11, 10, 9,
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4, 9, 7, 6, 7, 12, 9, 9, 6, 11, 8, 9, 7, 11, 9, 9,
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6, 11, 9, 9, 7, 11, 9, 9, 6, 10, 9, 9, 8, 13, 10, 10
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};
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/* P-Picture CBPCY VLC tables */
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static const uint16_t vc9_cbpcy_p_codes[4][64] = {
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{
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0, 1, 1, 4, 5, 1, 12, 4, 13, 14, 10, 11, 12, 7, 13, 2,
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15, 1, 96, 1, 49, 97, 2, 100, 3, 4, 5, 101, 102, 52, 53, 4,
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6, 7, 54, 103, 8, 9, 10, 110, 11, 12, 111, 56, 114, 58, 115, 5,
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13, 7, 8, 9, 10, 11, 12, 30, 13, 14, 15, 118, 119, 62, 63, 3
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},
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{
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0, 1, 2, 1, 3, 1, 16, 17, 5, 18, 12, 19, 13, 1, 28, 58,
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1, 1, 1, 2, 3, 2, 3, 236, 237, 4, 5, 238, 6, 7, 239, 8,
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9, 240, 10, 11, 121, 122, 12, 13, 14, 15, 241, 246, 16, 17, 124, 63,
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18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 247, 125
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},
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{
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0, 1, 2, 3, 2, 3, 1, 4, 5, 24, 7, 13, 16, 17, 9, 5,
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25, 1, 1, 1, 2, 3, 96, 194, 1, 2, 98, 99, 195, 200, 101, 26,
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201, 102, 412, 413, 414, 54, 220, 111, 221, 3, 224, 113, 225, 114, 230, 29,
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231, 415, 240, 4, 241, 484, 5, 243, 3, 244, 245, 485, 492, 493, 247, 31
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},
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{
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0, 1, 1, 1, 2, 2, 3, 4, 3, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
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28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
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44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 28, 29, 30, 31
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}
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};
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static const uint8_t vc9_cbpcy_p_bits[4][64] = {
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{
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13, 6, 5, 6, 6, 7, 7, 5, 7, 7, 6, 6, 6, 5, 6, 3,
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7, 8, 8, 13, 7, 8, 13, 8, 13, 13, 13, 8, 8, 7, 7, 3,
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13, 13, 7, 8, 13, 13, 13, 8, 13, 13, 8, 7, 8, 7, 8, 3,
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13, 12, 12, 12, 12, 12, 12, 6, 12, 12, 12, 8, 8, 7, 7, 2
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},
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{
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14, 3, 3, 5, 3, 4, 5, 5, 3, 5, 4, 5, 4, 6, 5, 6,
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8, 14, 13, 8, 8, 13, 13, 8, 8, 13, 13, 8, 13, 13, 8, 13,
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13, 8, 13, 13, 7, 7, 13, 13, 13, 13, 8, 8, 13, 13, 7, 6,
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13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 8, 7
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},
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{
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13, 5, 5, 5, 4, 4, 6, 4, 4, 6, 4, 5, 5, 5, 4, 3,
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6, 8, 10, 9, 8, 8, 7, 8, 13, 13, 7, 7, 8, 8, 7, 5,
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8, 7, 9, 9, 9, 6, 8, 7, 8, 13, 8, 7, 8, 7, 8, 5,
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8, 9, 8, 13, 8, 9, 13, 8, 12, 8, 8, 9, 9, 9, 8, 5
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},
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{
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9, 2, 3, 9, 2, 9, 9, 9, 2, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
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9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8
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}
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};
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/* MacroBlock Transform Type
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* 8x8:B
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* 8x4:B:btm 8x4:B:top 8x4:B:both,
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* 4x8:B:right 4x8:B:left 4x8:B:both
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* 4x4:B 8x8:MB
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* 8x4:MB:btm 8x4:MB:top 8x4,MB,both
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* 4x8,MB,right 4x8,MB,left
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* 4x4,MB */
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static const uint16_t vc9_ttmb_codes[3][16] = {
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{
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0x0003,
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0x002E, 0x005F, 0x0000,
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0x0016, 0x0015, 0x0001,
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0x0004, 0x0014,
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0x02F1, 0x0179, 0x017B,
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0x0BC0, 0x0BC1, 0x05E1,
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0x017A
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},
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{
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0x0006,
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0x0006, 0x0003, 0x0007,
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0x000F, 0x000E, 0x0000,
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0x0002, 0x0002,
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0x0014, 0x0011, 0x000B,
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0x0009, 0x0021, 0x0015,
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0x0020
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},
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{
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0x0006,
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0x0000, 0x000E, 0x0005,
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0x0002, 0x0003, 0x0003,
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0x000F, 0x0002,
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0x0081, 0x0011, 0x0009,
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0x0101, 0x0041, 0x0011,
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0x0100
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}
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};
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static const uint8_t vc9_ttmb_bits[3][16] = {
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{
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2,
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6, 7, 2,
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5, 5, 2,
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3, 5,
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10, 9, 9,
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12, 12, 11,
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9
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},
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{
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3,
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4, 4, 4,
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4, 4, 3,
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3, 2,
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7, 7, 6,
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6, 8, 7,
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8
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},
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{
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3,
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3, 4, 5,
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3, 3, 4,
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4, 2,
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9, 7, 6,
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10, 9, 7,
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11
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}
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};
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/* MV differential tables, p265 */
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static const uint16_t vc9_mv_diff_codes[4][73] = {
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{
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0, 2, 3, 8, 576, 3, 2, 6,
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5, 577, 578, 7, 8, 9, 40, 19,
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37, 82, 21, 22, 23, 579, 580, 166,
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96, 167, 49, 194, 195, 581, 582, 583,
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292, 293, 294, 13, 2, 7, 24, 50,
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102, 295, 13, 7, 8, 18, 50, 103,
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38, 20, 21, 22, 39, 204, 103, 23,
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24, 25, 104, 410, 105, 106, 107, 108,
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109, 220, 411, 442, 222, 443, 446, 447,
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7 /* 73 elements */
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},
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{
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0, 4, 5, 3, 4, 3, 4, 5,
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20, 6, 21, 44, 45, 46, 3008, 95,
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112, 113, 57, 3009, 3010, 116, 117, 3011,
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118, 3012, 3013, 3014, 3015, 3016, 3017, 3018,
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3019, 3020, 3021, 3022, 1, 4, 15, 160,
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161, 41, 6, 11, 42, 162, 43, 119,
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56, 57, 58, 163, 236, 237, 3023, 119,
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120, 242, 122, 486, 1512, 487, 246, 494,
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1513, 495, 1514, 1515, 1516, 1517, 1518, 1519,
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31 /* 73 elements */
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},
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{
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0, 512, 513, 514, 515, 2, 3, 258,
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259, 260, 261, 262, 263, 264, 265, 266,
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267, 268, 269, 270, 271, 272, 273, 274,
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275, 276, 277, 278, 279, 280, 281, 282,
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283, 284, 285, 286, 1, 5, 287, 288,
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289, 290, 6, 7, 291, 292, 293, 294,
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295, 296, 297, 298, 299, 300, 301, 302,
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303, 304, 305, 306, 307, 308, 309, 310,
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311, 312, 313, 314, 315, 316, 317, 318,
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319 /* 73 elements */
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},
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{
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0, 1, 1, 2, 3, 4, 1, 5,
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4, 3, 5, 8, 6, 9, 10, 11,
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12, 7, 104, 14, 105, 4, 10, 15,
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11, 6, 14, 8, 106, 107, 108, 15,
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109, 9, 55, 10, 1, 2, 1, 2,
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3, 12, 6, 2, 6, 7, 28, 7,
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15, 8, 5, 18, 29, 152, 77, 24,
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25, 26, 39, 108, 13, 109, 55, 56,
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57, 116, 11, 153, 234, 235, 118, 119,
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15 /* 73 elements */
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}
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};
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static const uint8_t vc9_mv_diff_bits[4][73] = {
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{
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6, 7, 7, 8, 14, 6, 5, 6, 7, 14, 14, 6, 6, 6, 8, 9,
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10, 9, 7, 7, 7, 14, 14, 10, 9, 10, 8, 10, 10, 14, 14, 14,
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13, 13, 13, 6, 3, 5, 6, 8, 9, 13, 5, 4, 4, 5, 7, 9,
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6, 5, 5, 5, 6, 9, 8, 5, 5, 5, 7, 10, 7, 7, 7, 7,
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7, 8, 10, 9, 8, 9, 9, 9, 3 /* 73 elements */
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},
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{
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5, 7, 7, 6, 6, 5, 5, 6, 7, 5, 7, 8, 8, 8, 14, 9,
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9, 9, 8, 14, 14, 9, 9, 14, 9, 14, 14, 14, 14, 14, 14, 14,
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14, 14, 14, 14, 2, 3, 6, 8, 8, 6, 3, 4, 6, 8, 6, 9,
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6, 6, 6, 8, 8, 8, 14, 7, 7, 8, 7, 9, 13, 9, 8, 9,
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13, 9, 13, 13, 13, 13, 13, 13, 5 /* 73 elements */
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||||
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},
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{
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3, 12, 12, 12, 12, 3, 4, 11, 11, 11, 11, 11, 11, 11, 11, 11,
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11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
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11, 11, 11, 11, 1, 5, 11, 11, 11, 11, 4, 4, 11, 11, 11, 11,
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11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
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11, 11, 11, 11, 11, 11, 11, 11, 11 /* 73 elements */
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},
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{
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15, 11, 15, 15, 15, 15, 12, 15, 12, 11, 12, 12, 15, 12, 12, 12,
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12, 15, 15, 12, 15, 10, 11, 12, 11, 10, 11, 10, 15, 15, 15, 11,
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15, 10, 14, 10, 4, 4, 5, 7, 8, 9, 5, 3, 4, 5, 6, 8,
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5, 4, 3, 5, 6, 8, 7, 5, 5, 5, 6, 7, 9, 7, 6, 6,
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6, 7, 10, 8, 8, 8, 7, 7, 4 /* 73 elements */
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}
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};
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/* DC luma differentials low+hi-mo, p217 */
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static const uint32_t vc9_luma_dc_codes[2][120] = {
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{
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1, 1, 1, 1, 5, 7, 8, 12,
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0, 2, 18, 26, 3, 7, 39, 55,
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5, 76, 108, 109, 8, 25, 155, 27,
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154, 19, 52, 53, 97, 72, 196, 74,
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198, 199, 146, 395, 147, 387, 386, 150,
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151, 384, 788, 789, 1541, 1540, 1542, 3086,
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197581, 197577, 197576, 197578, 197579, 197580, 197582, 197583,
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197584, 197585, 197586, 197587, 197588, 197589, 197590, 197591,
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197592, 197593, 197594, 197595, 197596, 197597, 197598, 197599,
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197600, 197601, 197602, 197603, 197604, 197605, 197606, 197607,
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197608, 197609, 197610, 197611, 197612, 197613, 197614, 197615,
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197616, 197617, 197618, 197619, 197620, 197621, 197622, 197623,
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197624, 197625, 197626, 197627, 197628, 197629, 197630, 197631,
|
||||
395136, 395137, 395138, 395139, 395140, 395141, 395142, 395143,
|
||||
395144, 395145, 395146, 395147, 395148, 395149, 395150, 395151
|
||||
},
|
||||
{
|
||||
2, 3, 3, 2, 5, 1, 3, 8,
|
||||
0, 5, 13, 15, 19, 8, 24, 28,
|
||||
36, 4, 6, 18, 50, 59, 74, 75,
|
||||
11, 38, 39, 102, 116, 117, 20, 28,
|
||||
31, 29, 43, 61, 413, 415, 84, 825,
|
||||
824, 829, 171, 241, 1656, 242, 480, 481,
|
||||
340, 3314, 972, 683, 6631, 974, 6630, 1364,
|
||||
1951, 1365, 3901, 3895, 3900, 3893, 7789, 7784,
|
||||
15576, 15571, 15577, 31140, 996538, 996532, 996533, 996534,
|
||||
996535, 996536, 996537, 996539, 996540, 996541, 996542, 996543,
|
||||
1993024, 1993025, 1993026, 1993027, 1993029, 1993029, 1993030, 1993031,
|
||||
1993032, 1993033, 1993034, 1993035, 1993036, 1993037, 1993038, 1993039,
|
||||
1993040, 1993041, 1993042, 1993043, 1993044, 1993045, 1993046, 1993047,
|
||||
1993048, 1993049, 1993050, 1993051, 1993052, 1993053, 1993054, 1993055,
|
||||
1993056, 1993057, 1993058, 1993059, 1993060, 1993061, 1993062, 1993063
|
||||
}
|
||||
};
|
||||
static const uint8_t vc9_luma_dc_bits[2][120] = {
|
||||
{
|
||||
1, 2, 4, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8,
|
||||
9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 12, 13, 13, 13,
|
||||
13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 16, 16, 16, 17,
|
||||
23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
|
||||
23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
|
||||
23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
|
||||
23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24,
|
||||
24, 24, 24, 24, 24, 24, 24, 24 /* lowmo, 120 values */
|
||||
},
|
||||
{
|
||||
2, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7,
|
||||
7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10,
|
||||
10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14,
|
||||
14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18,
|
||||
19, 19, 19, 20, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
|
||||
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
|
||||
26, 26, 26, 26, 26, 26, 26, 26 /* himo, 120 values */
|
||||
}
|
||||
};
|
||||
|
||||
/* DC chroma differentials low+hi-mo */
|
||||
|
||||
#endif /* VC9DATA_H */
|
||||
Loading…
Reference in New Issue
Block a user