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authorKostya Shishkov <kostya.shishkov@gmail.com>2007-05-06 10:58:32 +0000
committerKostya Shishkov <kostya.shishkov@gmail.com>2007-05-06 10:58:32 +0000
commit22c3029da1a742cd449347008db8dc9340805c91 (patch)
tree3279068cd3399046f2cff604a164d104cf6e4552 /libavcodec/vc1data.h
parent6e4bc6ee1978452cc5d06ea55e07834ff7f7ab8f (diff)
downloadffmpeg-22c3029da1a742cd449347008db8dc9340805c91.tar.gz
Move variables to vc1data.h
Originally committed as revision 8913 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vc1data.h')
-rw-r--r--libavcodec/vc1data.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/libavcodec/vc1data.h b/libavcodec/vc1data.h
index 9b0a854bfe..fde7350758 100644
--- a/libavcodec/vc1data.h
+++ b/libavcodec/vc1data.h
@@ -28,6 +28,72 @@
#ifndef VC1DATA_H
#define VC1DATA_H
+/** Table for conversion between TTBLK and TTMB */
+static const int ttblk_to_tt[3][8] = {
+ { TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT },
+ { TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP },
+ { TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP }
+};
+
+static const int ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 };
+
+/** MV P mode - the 5th element is only used for mode 1 */
+static const uint8_t mv_pmode_table[2][5] = {
+ { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV },
+ { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN }
+};
+static const uint8_t mv_pmode_table2[2][4] = {
+ { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV },
+ { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN }
+};
+
+static const int fps_nr[5] = { 24, 25, 30, 50, 60 },
+ fps_dr[2] = { 1000, 1001 };
+static const uint8_t pquant_table[3][32] = {
+ { /* Implicit quantizer */
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12,
+ 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31
+ },
+ { /* Explicit quantizer, pquantizer uniform */
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
+ },
+ { /* Explicit quantizer, pquantizer non-uniform */
+ 0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31
+ }
+};
+
+/** @name VC-1 VLC tables and defines
+ * @todo TODO move this into the context
+ */
+//@{
+#define VC1_BFRACTION_VLC_BITS 7
+static VLC vc1_bfraction_vlc;
+#define VC1_IMODE_VLC_BITS 4
+static VLC vc1_imode_vlc;
+#define VC1_NORM2_VLC_BITS 3
+static VLC vc1_norm2_vlc;
+#define VC1_NORM6_VLC_BITS 9
+static VLC vc1_norm6_vlc;
+/* Could be optimized, one table only needs 8 bits */
+#define VC1_TTMB_VLC_BITS 9 //12
+static VLC vc1_ttmb_vlc[3];
+#define VC1_MV_DIFF_VLC_BITS 9 //15
+static VLC vc1_mv_diff_vlc[4];
+#define VC1_CBPCY_P_VLC_BITS 9 //14
+static VLC vc1_cbpcy_p_vlc[4];
+#define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6
+static VLC vc1_4mv_block_pattern_vlc[4];
+#define VC1_TTBLK_VLC_BITS 5
+static VLC vc1_ttblk_vlc[3];
+#define VC1_SUBBLKPAT_VLC_BITS 6
+static VLC vc1_subblkpat_vlc[3];
+
+static VLC vc1_ac_coeff_table[8];
+//@}
+
+
#if 0 //original bfraction from vc9data.h, not conforming to standard
/* Denominator used for vc1_bfraction_lut */
#define B_FRACTION_DEN 840