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+/*
+ * Copyright (C) 2002 the xine project
+ *
+ * This file is part of xine, a unix video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * $Id: svq1.c,v 1.1 2002/06/20 17:47:11 siggi Exp $
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "video_out.h"
+#include "buffer.h"
+#include "bswap.h"
+#include "xineutils.h"
+#include "xine_internal.h"
+
+#include "svq1_codebooks.h"
+
+#define VIDEOBUFSIZE 128 * 1024
+
+#define MEDIAN(a,b,c) ((a < b != b >= c) ? b : ((a < c != c > b) ? c : a))
+
+#define SVQ1_BLOCK_SKIP 0
+#define SVQ1_BLOCK_INTER 1
+#define SVQ1_BLOCK_INTER_4V 2
+#define SVQ1_BLOCK_INTRA 3
+
+#define SVQ1_FRAME_INTRA 0
+#define SVQ1_FRAME_INTER 1
+#define SVQ1_FRAME_DROPPABLE 2
+
+
+/* memory bit stream */
+typedef struct bit_buffer_s {
+ uint8_t *buffer;
+ uint32_t bitpos;
+} bit_buffer_t;
+
+/* variable length (bit) code */
+typedef struct vlc_code_s {
+ int16_t value :10,
+ length :6;
+} vlc_code_t;
+
+/* motion vector (prediction) */
+typedef struct svq1_pmv_s {
+ int x;
+ int y;
+} svq1_pmv_t;
+
+typedef struct svq1_s {
+ int frame_code;
+ int frame_type;
+ int frame_width;
+ int frame_height;
+ int luma_width;
+ int luma_height;
+ int chroma_width;
+ int chroma_height;
+ svq1_pmv_t *motion;
+ uint8_t *current;
+ uint8_t *previous;
+ int offsets[3];
+ int reference_frame;
+
+ uint8_t *base[3];
+ int width;
+ int height;
+} svq1_t;
+
+typedef struct svq1dec_decoder_s {
+ video_decoder_t video_decoder;
+
+ vo_instance_t *video_out;
+ int64_t video_step;
+ int decoder_ok;
+
+ unsigned char *buf;
+ int bufsize;
+ int size;
+
+ svq1_t *svq1;
+} svq1dec_decoder_t;
+
+
+/* standard video sizes */
+static struct { int width; int height; } frame_size_table[8] = {
+ { 160, 120 }, { 128, 96 }, { 176, 144 }, { 352, 288 },
+ { 704, 576 }, { 240, 180 }, { 320, 240 }, { -1, -1 }
+};
+
+/* block type, codes 000 .. 1xx */
+static vlc_code_t block_type_table[8] = {
+ { SVQ1_BLOCK_INTRA, 3 }, { SVQ1_BLOCK_INTER_4V, 3 },
+ { SVQ1_BLOCK_INTER, 2 }, { SVQ1_BLOCK_INTER, 2 },
+ { SVQ1_BLOCK_SKIP, 1 }, { SVQ1_BLOCK_SKIP, 1 },
+ { SVQ1_BLOCK_SKIP, 1 }, { SVQ1_BLOCK_SKIP, 1 }
+};
+
+/* motion vector, codes 0000011 .. 011xxxx */
+static vlc_code_t motion_table_0[61] = {
+ { 7, 8 }, { 6, 8 }, { 5, 8 }, { 4, 7 }, { 4, 7 },
+ { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 },
+ { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
+ { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }
+};
+
+/* motion vector, codes 000000000010 ... 0000010111xx */
+static vlc_code_t motion_table_1[94] = {
+ {32, 13}, {31, 13}, {30, 12}, {30, 12}, {29, 12}, {29, 12},
+ {28, 12}, {28, 12}, {27, 12}, {27, 12}, {26, 12}, {26, 12}, {25, 12}, {25, 12},
+ {24, 11}, {24, 11}, {24, 11}, {24, 11}, {23, 11}, {23, 11}, {23, 11}, {23, 11},
+ {22, 11}, {22, 11}, {22, 11}, {22, 11}, {21, 11}, {21, 11}, {21, 11}, {21, 11},
+ {20, 11}, {20, 11}, {20, 11}, {20, 11}, {19, 11}, {19, 11}, {19, 11}, {19, 11},
+ {18, 11}, {18, 11}, {18, 11}, {18, 11}, {17, 11}, {17, 11}, {17, 11}, {17, 11},
+ {16, 11}, {16, 11}, {16, 11}, {16, 11}, {15, 11}, {15, 11}, {15, 11}, {15, 11},
+ {14, 11}, {14, 11}, {14, 11}, {14, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11},
+ {12, 11}, {12, 11}, {12, 11}, {12, 11}, {11, 11}, {11, 11}, {11, 11}, {11, 11},
+ {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10},
+ { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10},
+ { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10},
+};
+
+/* inter-coded vector codebook count tables, codes 000000 ... 111111 */
+static vlc_code_t inter_vector_tables[6][64] = {
+ /* 4x2 vector, codes 0000xxx ... 11xxxxx */
+ { { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
+ { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
+ { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
+ {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 },
+ {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 } },
+
+ /* 4x4 vector, codes 0000xxx ... 11xxxxx */
+ { { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
+ { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
+ { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
+ {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 },
+ {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 } },
+
+ /* 8x4 vector, codes 00000xx ... 1xxxxxx */
+ { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } },
+
+ /* 8x8 vector, codes 00000xx ... 1xxxxxx */
+ { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } },
+
+ /* 16x8 vector, codes 00000xx ... 1xxxxxx */
+ { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } },
+
+ /* 16x16 vector, codes 000000x ... 1xxxxxx */
+ { { 6, 6 }, { 5, 6 }, { 4, 5 }, { 4, 5 }, { 3, 5 }, { 3, 5 }, { 2, 5 }, { 2, 5 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
+ { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
+ {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } }
+};
+
+/* vector codebook count tables, codes 0000000 ... 1111111 */
+static vlc_code_t intra_vector_tables[6][128] = {
+ /* 4x2 vector, codes 00000xx ... 1xxxxxx */
+ { { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 },
+ { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 },
+ { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
+
+ /* 4x4 vector, codes 0000xxx ... 11xxxxx */
+ { { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
+ {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 },
+ { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
+ { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
+ { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
+ { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
+ { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
+ { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
+ { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
+ { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
+ { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 } },
+
+ /* 8x4 vector, codes 00000xx ... 1xxxxxx */
+ { { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 },
+ { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 },
+ { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
+ { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
+ { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
+
+ /* 8x8 vector, codes 000000x ... 1xxxxxx */
+ { { 2, 6 }, { 2, 6 }, {-1, 6 }, {-1, 6 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 },
+ { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 },
+ { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
+
+ /* 16x8 vector, codes 000000x ... 1xxxxxx */
+ { { 4, 6 }, { 4, 6 }, {-1, 6 }, {-1, 6 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 },
+ { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 },
+ { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
+ { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
+
+ /* 16x16 vector, codes 0000000 ... 1xxxxxx */
+ { { 5, 7 }, {-1, 7 }, { 4, 6 }, { 4, 6 }, { 6, 5 }, { 6, 5 }, { 6, 5 }, { 6, 5 },
+ { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } }
+};
+
+/* intra mean value, codes 00100101 ... 1111xxxx */
+static vlc_code_t intra_mean_table_0[219] = {
+ {135, 8 }, {136, 8 }, {165, 8 },
+ {134, 8 }, {129, 8 }, {164, 8 }, {163, 8 }, {133, 8 }, {162, 8 }, {174, 8 }, {175, 8 },
+ {161, 8 }, {160, 8 }, {159, 8 }, {158, 8 }, {157, 8 }, {156, 8 }, {155, 8 }, {154, 8 },
+ {153, 8 }, {151, 8 }, {152, 8 }, {132, 8 }, {110, 8 }, {131, 8 }, {108, 8 }, {130, 8 },
+ {166, 8 }, {105, 8 }, {104, 8 }, {103, 8 }, {127, 8 }, {101, 8 }, {167, 8 }, {168, 8 },
+ { 98, 8 }, {128, 8 }, { 48, 8 }, { 95, 8 }, { 62, 8 }, { 93, 8 }, { 92, 8 }, { 91, 8 },
+ { 90, 8 }, { 89, 8 }, { 60, 8 }, { 87, 8 }, { 86, 8 }, { 57, 8 }, { 84, 8 }, { 83, 8 },
+ { 82, 8 }, { 81, 8 }, { 80, 8 }, { 79, 8 }, { 78, 8 }, { 77, 8 }, { 76, 8 }, { 75, 8 },
+ { 74, 8 }, { 73, 8 }, { 72, 8 }, { 71, 8 }, { 70, 8 }, { 69, 8 }, { 68, 8 }, { 67, 8 },
+ { 66, 8 }, { 65, 8 }, { 56, 8 }, { 63, 8 }, { 23, 8 }, { 61, 8 }, { 30, 8 }, { 59, 8 },
+ { 58, 8 }, { 52, 8 }, { 29, 8 }, { 55, 8 }, { 54, 8 }, { 53, 8 }, { 50, 8 }, { 51, 8 },
+ { 22, 8 }, { 49, 8 }, { 85, 7 }, { 85, 7 }, { 97, 7 }, { 97, 7 }, { 88, 7 }, { 88, 7 },
+ { 64, 7 }, { 64, 7 }, { 94, 7 }, { 94, 7 }, {106, 7 }, {106, 7 }, {107, 7 }, {107, 7 },
+ {109, 7 }, {109, 7 }, {111, 7 }, {111, 7 }, {112, 7 }, {112, 7 }, {113, 7 }, {113, 7 },
+ {114, 7 }, {114, 7 }, {115, 7 }, {115, 7 }, {116, 7 }, {116, 7 }, {117, 7 }, {117, 7 },
+ {118, 7 }, {118, 7 }, {119, 7 }, {119, 7 }, {120, 7 }, {120, 7 }, { 99, 7 }, { 99, 7 },
+ {102, 7 }, {102, 7 }, { 28, 7 }, { 28, 7 }, {100, 7 }, {100, 7 }, { 96, 7 }, { 96, 7 },
+ {139, 7 }, {139, 7 }, { 24, 7 }, { 24, 7 }, { 1, 7 }, { 1, 7 }, {138, 7 }, {138, 7 },
+ {121, 7 }, {121, 7 }, {122, 7 }, {122, 7 }, {123, 7 }, {123, 7 }, {124, 7 }, {124, 7 },
+ {125, 7 }, {125, 7 }, {126, 7 }, {126, 7 }, {137, 7 }, {137, 7 }, {140, 7 }, {140, 7 },
+ {150, 7 }, {150, 7 }, {144, 7 }, {144, 7 }, {141, 7 }, {141, 7 }, {142, 7 }, {142, 7 },
+ {143, 7 }, {143, 7 }, {145, 7 }, {145, 7 }, {147, 7 }, {147, 7 }, {146, 7 }, {146, 7 },
+ { 27, 6 }, { 27, 6 }, { 27, 6 }, { 27, 6 }, {148, 6 }, {148, 6 }, {148, 6 }, {148, 6 },
+ {149, 6 }, {149, 6 }, {149, 6 }, {149, 6 }, { 0, 6 }, { 0, 6 }, { 0, 6 }, { 0, 6 },
+ { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 },
+ { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 },
+ { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 },
+ { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }
+};
+
+/* intra mean value, codes 0000001101 ... 001001001x */
+static vlc_code_t intra_mean_table_1[135] = {
+ {218, 10}, {219, 10}, {220, 10},
+ {221, 10}, {222, 10}, {217, 10}, {230, 10}, {215, 10}, {208, 10}, {207, 10}, {206, 10},
+ {214, 10}, {204, 10}, {223, 10}, {224, 10}, {225, 10}, {226, 10}, {227, 10}, {228, 10},
+ {229, 10}, {213, 10}, {212, 10}, {231, 10}, {232, 10}, {211, 10}, {210, 10}, {236, 10},
+ {209, 10}, {216, 10}, {205, 10}, { 18, 10}, {186, 9 }, {186, 9 }, {185, 9 }, {185, 9 },
+ {184, 9 }, {184, 9 }, {182, 9 }, {182, 9 }, {183, 9 }, {183, 9 }, {180, 9 }, {180, 9 },
+ {181, 9 }, {181, 9 }, {178, 9 }, {178, 9 }, {187, 9 }, {187, 9 }, {176, 9 }, {176, 9 },
+ {188, 9 }, {188, 9 }, {179, 9 }, {179, 9 }, {173, 9 }, {173, 9 }, {172, 9 }, {172, 9 },
+ {171, 9 }, {171, 9 }, {170, 9 }, {170, 9 }, {169, 9 }, {169, 9 }, {189, 9 }, {189, 9 },
+ {190, 9 }, {190, 9 }, {191, 9 }, {191, 9 }, {192, 9 }, {192, 9 }, {193, 9 }, {193, 9 },
+ {194, 9 }, {194, 9 }, {195, 9 }, {195, 9 }, {196, 9 }, {196, 9 }, {197, 9 }, {197, 9 },
+ {198, 9 }, {198, 9 }, {200, 9 }, {200, 9 }, {201, 9 }, {201, 9 }, {202, 9 }, {202, 9 },
+ {203, 9 }, {203, 9 }, {199, 9 }, {199, 9 }, {177, 9 }, {177, 9 }, { 40, 9 }, { 40, 9 },
+ { 39, 9 }, { 39, 9 }, { 38, 9 }, { 38, 9 }, { 37, 9 }, { 37, 9 }, { 36, 9 }, { 36, 9 },
+ { 35, 9 }, { 35, 9 }, { 34, 9 }, { 34, 9 }, { 33, 9 }, { 33, 9 }, { 32, 9 }, { 32, 9 },
+ { 31, 9 }, { 31, 9 }, { 21, 9 }, { 21, 9 }, { 11, 9 }, { 11, 9 }, { 41, 9 }, { 41, 9 },
+ { 45, 9 }, { 45, 9 }, { 44, 9 }, { 44, 9 }, { 42, 9 }, { 42, 9 }, { 43, 9 }, { 43, 9 },
+ { 47, 9 }, { 47, 9 }, { 46, 9 }, { 46, 9 }
+};
+
+/* intra mean value, codes 00000000000001 ... 00000011001xxx */
+static vlc_code_t intra_mean_table_2[207] = {
+ {255, 14}, { 14, 14}, { 13, 14}, { 17, 12}, { 17, 12}, { 17, 12}, { 17, 12},
+ {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11},
+ {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11},
+ {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11},
+ {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11},
+ {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11},
+ {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11},
+ {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11},
+ {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11},
+ {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11},
+ {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11},
+ {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11},
+ { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11},
+ {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11},
+ {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11},
+ {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11},
+ {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11},
+ {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11},
+ {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11},
+ {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11},
+ { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11},
+ { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11},
+ {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11},
+ {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11},
+ { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11},
+ {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}
+};
+
+/* intra mean value, codes 00000000000000000000 ... 000000000000001xxxxx */
+static vlc_code_t intra_mean_table_3[64] = {
+ { 6, 20}, { 3, 20}, { 4, 20}, { 5, 20}, { 7, 20}, { 8, 20}, { 9, 19}, { 9, 19},
+ { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17},
+ { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16},
+ { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16},
+ { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15},
+ { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15},
+ { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15},
+ { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}
+};
+
+/* inter mean value, codes 00001011 ... 1xxxxxxx */
+static vlc_code_t inter_mean_table_0[245] = {
+ { 10, 8 }, { 12, 8 }, { 11, 8 }, {-11, 8 }, {-12, 8 },
+ {-10, 8 }, { -9, 8 }, { -7, 7 }, { -7, 7 }, { -6, 7 }, { -6, 7 }, { 8, 7 }, { 8, 7 },
+ { -8, 7 }, { -8, 7 }, { 9, 7 }, { 9, 7 }, { 6, 7 }, { 6, 7 }, { 7, 7 }, { 7, 7 },
+ { -5, 6 }, { -5, 6 }, { -5, 6 }, { -5, 6 }, { -4, 6 }, { -4, 6 }, { -4, 6 }, { -4, 6 },
+ { 5, 6 }, { 5, 6 }, { 5, 6 }, { 5, 6 }, { 4, 6 }, { 4, 6 }, { 4, 6 }, { 4, 6 },
+ { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 },
+ { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 },
+ { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 },
+ { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 },
+ { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 },
+ { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
+ { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }
+};
+
+/* inter mean value, codes 000000010010 ... 00001011xxxx */
+static vlc_code_t inter_mean_table_1[158] = {
+ {-30, 12}, {-31, 12}, {-32, 12}, {-33, 12}, { 31, 12}, {-34, 12},
+ {-35, 12}, { 29, 12}, { 30, 12}, { 33, 12}, { 34, 12}, { 32, 12}, {-29, 11}, {-29, 11},
+ {-28, 11}, {-28, 11}, { 28, 11}, { 28, 11}, {-27, 11}, {-27, 11}, {-26, 11}, {-26, 11},
+ { 27, 11}, { 27, 11}, { 26, 11}, { 26, 11}, { 25, 11}, { 25, 11}, { 24, 11}, { 24, 11},
+ { 23, 11}, { 23, 11}, { 22, 11}, { 22, 11}, {-24, 11}, {-24, 11}, {-25, 11}, {-25, 11},
+ {-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, {-21, 10}, {-21, 10}, {-21, 10}, {-21, 10},
+ {-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, {-19, 10}, {-19, 10}, {-19, 10}, {-19, 10},
+ {-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, {-22, 10}, {-22, 10}, {-22, 10}, {-22, 10},
+ { 19, 10}, { 19, 10}, { 19, 10}, { 19, 10}, { 21, 10}, { 21, 10}, { 21, 10}, { 21, 10},
+ { 20, 10}, { 20, 10}, { 20, 10}, { 20, 10}, { 18, 10}, { 18, 10}, { 18, 10}, { 18, 10},
+ {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 },
+ {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 },
+ { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 },
+ { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 },
+ { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 },
+ { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 },
+ { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 },
+ {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 },
+ {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 },
+ {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }
+};
+
+/* inter mean value, codes 000000000010111 ... 0000000100011xx */
+static vlc_code_t inter_mean_table_2[121] = {
+ { 61, 15},
+ { 52, 15}, { 58, 15}, {-56, 15}, {-57, 15}, { 59, 15}, {-55, 15}, { 60, 15}, {-54, 15},
+ { 53, 15}, {-62, 15}, {-60, 15}, {-59, 15}, {-58, 15}, { 57, 15}, { 56, 15}, {-53, 15},
+ { 55, 15}, { 54, 15}, { 50, 14}, { 50, 14}, { 45, 14}, { 45, 14}, {-52, 14}, {-52, 14},
+ {-51, 14}, {-51, 14}, {-50, 14}, {-50, 14}, { 46, 14}, { 46, 14}, {-49, 14}, {-49, 14},
+ {-48, 14}, {-48, 14}, { 48, 14}, { 48, 14}, {-47, 14}, {-47, 14}, { 49, 14}, { 49, 14},
+ {-45, 14}, {-45, 14}, {-44, 14}, {-44, 14}, { 47, 14}, { 47, 14}, { 51, 14}, { 51, 14},
+ { 44, 14}, { 44, 14}, {-46, 14}, {-46, 14}, {-43, 13}, {-43, 13}, {-43, 13}, {-43, 13},
+ {-42, 13}, {-42, 13}, {-42, 13}, {-42, 13}, {-41, 13}, {-41, 13}, {-41, 13}, {-41, 13},
+ {-40, 13}, {-40, 13}, {-40, 13}, {-40, 13}, {-39, 13}, {-39, 13}, {-39, 13}, {-39, 13},
+ {-38, 13}, {-38, 13}, {-38, 13}, {-38, 13}, {-37, 13}, {-37, 13}, {-37, 13}, {-37, 13},
+ {-36, 13}, {-36, 13}, {-36, 13}, {-36, 13}, { 42, 13}, { 42, 13}, { 42, 13}, { 42, 13},
+ { 36, 13}, { 36, 13}, { 36, 13}, { 36, 13}, { 43, 13}, { 43, 13}, { 43, 13}, { 43, 13},
+ { 41, 13}, { 41, 13}, { 41, 13}, { 41, 13}, { 40, 13}, { 40, 13}, { 40, 13}, { 40, 13},
+ { 35, 13}, { 35, 13}, { 35, 13}, { 35, 13}, { 39, 13}, { 39, 13}, { 39, 13}, { 39, 13},
+ { 38, 13}, { 38, 13}, { 38, 13}, { 38, 13}, { 37, 13}, { 37, 13}, { 37, 13}, { 37, 13}
+};
+
+/* inter mean value, codes 000000000000100101 ... 0000000000101101xx */
+static vlc_code_t inter_mean_table_3[147] = {
+ {111, 18}, {102, 18}, { 99, 18},
+ {-86, 18}, { 97, 18}, {-97, 18}, { 96, 18}, {-95, 18}, {-76, 18}, {-77, 18}, {-78, 18},
+ {-85, 18}, {-80, 18}, {-81, 18}, { 89, 18}, { 90, 18}, {-84, 18}, {-89, 18}, { 80, 18},
+ {-90, 18}, {-88, 18}, { 92, 18}, { 93, 18}, { 95, 18}, {-109,18}, {-79, 17}, {-79, 17},
+ {-83, 17}, {-83, 17}, {-75, 17}, {-75, 17}, {-74, 17}, {-74, 17}, {-73, 17}, {-73, 17},
+ {-72, 17}, {-72, 17}, { 87, 17}, { 87, 17}, { 86, 17}, { 86, 17}, { 75, 17}, { 75, 17},
+ { 85, 17}, { 85, 17}, { 84, 17}, { 84, 17}, { 81, 17}, { 81, 17}, { 79, 17}, { 79, 17},
+ { 74, 17}, { 74, 17}, { 72, 17}, { 72, 17}, { 82, 17}, { 82, 17}, { 78, 17}, { 78, 17},
+ { 83, 17}, { 83, 17}, { 76, 17}, { 76, 17}, { 73, 17}, { 73, 17}, { 77, 17}, { 77, 17},
+ { 70, 16}, { 70, 16}, { 70, 16}, { 70, 16}, { 69, 16}, { 69, 16}, { 69, 16}, { 69, 16},
+ { 64, 16}, { 64, 16}, { 64, 16}, { 64, 16}, {-68, 16}, {-68, 16}, {-68, 16}, {-68, 16},
+ {-66, 16}, {-66, 16}, {-66, 16}, {-66, 16}, { 68, 16}, { 68, 16}, { 68, 16}, { 68, 16},
+ {-69, 16}, {-69, 16}, {-69, 16}, {-69, 16}, { 65, 16}, { 65, 16}, { 65, 16}, { 65, 16},
+ { 71, 16}, { 71, 16}, { 71, 16}, { 71, 16}, {-70, 16}, {-70, 16}, {-70, 16}, {-70, 16},
+ {-65, 16}, {-65, 16}, {-65, 16}, {-65, 16}, {-67, 16}, {-67, 16}, {-67, 16}, {-67, 16},
+ {-63, 16}, {-63, 16}, {-63, 16}, {-63, 16}, {-71, 16}, {-71, 16}, {-71, 16}, {-71, 16},
+ { 67, 16}, { 67, 16}, { 67, 16}, { 67, 16}, {-61, 16}, {-61, 16}, {-61, 16}, {-61, 16},
+ {-64, 16}, {-64, 16}, {-64, 16}, {-64, 16}, { 63, 16}, { 63, 16}, { 63, 16}, { 63, 16},
+ { 62, 16}, { 62, 16}, { 62, 16}, { 62, 16}, { 66, 16}, { 66, 16}, { 66, 16}, { 66, 16}
+};
+
+/* inter mean value, codes 00000000000001001001 ... 0000000000001001001x */
+static vlc_code_t inter_mean_table_4[75] = {
+ {142, 20}, {135, 20}, {125, 20}, {123, 20}, {122, 20}, {119, 20}, {117, 20},
+ {113, 20}, {104, 20}, {103, 20}, {-120,20}, {-114,20}, {-108,20}, {-104,20}, {-102,20},
+ {-101,20}, {-93, 20}, {-91, 19}, {-91, 19}, {-96, 19}, {-96, 19}, { 88, 19}, { 88, 19},
+ { 91, 19}, { 91, 19}, { 94, 19}, { 94, 19}, {121, 19}, {121, 19}, {120, 19}, {120, 19},
+ {-110,19}, {-110,19}, {118, 19}, {118, 19}, {115, 19}, {115, 19}, {114, 19}, {114, 19},
+ {112, 19}, {112, 19}, {107, 19}, {107, 19}, {110, 19}, {110, 19}, {109, 19}, {109, 19},
+ {108, 19}, {108, 19}, {-103,19}, {-103,19}, {106, 19}, {106, 19}, {105, 19}, {105, 19},
+ {-100,19}, {-100,19}, {101, 19}, {101, 19}, {100, 19}, {100, 19}, {-99, 19}, {-99, 19},
+ {-82, 19}, {-82, 19}, {-87, 19}, {-87, 19}, {-94, 19}, {-94, 19}, {-98, 19}, {-98, 19},
+ { 98, 19}, { 98, 19}, {-92, 19}, {-92, 19}
+};
+
+/* inter mean value, codes 0000000000000000000000 ... 000000000000010010001x */
+static vlc_code_t inter_mean_table_5[292] = {
+ {255, 22}, {254, 22}, {253, 22}, {252, 22}, {251, 22}, {250, 22}, {249, 22}, {248, 22},
+ {247, 22}, {246, 22}, {245, 22}, {244, 22}, {243, 22}, {242, 22}, {241, 22}, {240, 22},
+ {239, 22}, {238, 22}, {237, 22}, {236, 22}, {235, 22}, {234, 22}, {233, 22}, {232, 22},
+ {231, 22}, {230, 22}, {229, 22}, {228, 22}, {227, 22}, {226, 22}, {225, 22}, {224, 22},
+ {223, 22}, {222, 22}, {221, 22}, {220, 22}, {219, 22}, {218, 22}, {217, 22}, {216, 22},
+ {215, 22}, {214, 22}, {213, 22}, {212, 22}, {211, 22}, {210, 22}, {209, 22}, {208, 22},
+ {207, 22}, {206, 22}, {205, 22}, {204, 22}, {203, 22}, {202, 22}, {201, 22}, {200, 22},
+ {199, 22}, {198, 22}, {197, 22}, {196, 22}, {195, 22}, {194, 22}, {193, 22}, {192, 22},
+ {191, 22}, {190, 22}, {189, 22}, {188, 22}, {187, 22}, {186, 22}, {185, 22}, {184, 22},
+ {183, 22}, {182, 22}, {181, 22}, {180, 22}, {179, 22}, {178, 22}, {177, 22}, {176, 22},
+ {175, 22}, {174, 22}, {173, 22}, {172, 22}, {171, 22}, {170, 22}, {169, 22}, {168, 22},
+ {167, 22}, {166, 22}, {-256,22}, {164, 22}, {-211,22}, {162, 22}, {161, 22}, {160, 22},
+ {-210,22}, {-168,22}, {157, 22}, {156, 22}, {155, 22}, {154, 22}, {153, 22}, {152, 22},
+ {151, 22}, {150, 22}, {149, 22}, {148, 22}, {147, 22}, {146, 22}, {145, 22}, {144, 22},
+ {143, 22}, {-208,22}, {141, 22}, {140, 22}, {139, 22}, {-200,22}, {137, 22}, {136, 22},
+ {-198,22}, {134, 22}, {133, 22}, {-196,22}, {-201,22}, {130, 22}, {129, 22}, {128, 22},
+ {127, 22}, {126, 22}, {-195,22}, {124, 22}, {-167,22}, {-166,22}, {-165,22}, {-164,22},
+ {-163,22}, {-162,22}, {-161,22}, {-180,22}, {-160,22}, {-159,22}, {-158,22}, {-157,22},
+ {-156,22}, {-155,22}, {-154,22}, {-153,22}, {-152,22}, {-151,22}, {-150,22}, {-149,22},
+ {-148,22}, {-147,22}, {-146,22}, {-145,22}, {-144,22}, {-143,22}, {-142,22}, {-141,22},
+ {-140,22}, {-139,22}, {-138,22}, {-137,22}, {-136,22}, {-135,22}, {-134,22}, {-133,22},
+ {-132,22}, {-131,22}, {-130,22}, {-129,22}, {-126,22}, {-125,22}, {-124,22}, {-123,22},
+ {-122,22}, {-121,22}, {-118,22}, {-116,22}, {-115,22}, {-113,22}, {-112,22}, {-107,22},
+ {-106,22}, {-169,22}, {-170,22}, {-171,22}, {-172,22}, {-173,22}, {-174,22}, {-175,22},
+ {-176,22}, {-177,22}, {-178,22}, {-187,22}, {-179,22}, {-181,22}, {-182,22}, {-183,22},
+ {-184,22}, {-185,22}, {-186,22}, {-235,22}, {-188,22}, {-189,22}, {-190,22}, {-191,22},
+ {-192,22}, {-193,22}, {-194,22}, {-197,22}, {-255,22}, {-254,22}, {-253,22}, {-252,22},
+ {-251,22}, {-250,22}, {-249,22}, {-248,22}, {-247,22}, {-246,22}, {-245,22}, {-244,22},
+ {-243,22}, {-242,22}, {-241,22}, {-240,22}, {-239,22}, {-238,22}, {-237,22}, {-232,22},
+ {-236,22}, {-234,22}, {-233,22}, {-217,22}, {-231,22}, {-230,22}, {-229,22}, {-228,22},
+ {-227,22}, {-226,22}, {-225,22}, {-224,22}, {-223,22}, {-222,22}, {-221,22}, {-220,22},
+ {-219,22}, {-216,22}, {-202,22}, {-205,22}, {-215,22}, {-214,22}, {-213,22}, {-204,22},
+ {-212,22}, {-209,22}, {-218,22}, {-199,22}, {-207,22}, {-206,22}, {165, 21}, {165, 21},
+ {131, 21}, {131, 21}, {163, 21}, {163, 21}, {-203,21}, {-203,21}, {116, 21}, {116, 21},
+ {159, 21}, {159, 21}, {138, 21}, {138, 21}, {158, 21}, {158, 21}, {-105,21}, {-105,21},
+ {-111,21}, {-111,21}, {132, 21}, {132, 21}, {128, 21}, {128, 21}, {-127,21}, {-127,21},
+ {-119,21}, {-119,21}, {-117,21}, {-117,21}
+};
+
+
+static uint32_t get_bits (bit_buffer_t *bitbuf, int count) {
+ uint32_t result;
+
+ /* load 32 bits of data (byte-aligned) */
+ result = be2me_32 (*((uint32_t *) &bitbuf->buffer[bitbuf->bitpos >> 3]));
+
+ /* compensate for sub-byte offset */
+ result <<= (bitbuf->bitpos & 0x7);
+
+ /* flush num bits */
+ bitbuf->bitpos += count;
+
+ /* return num bits */
+ return result >> (32 - count);
+}
+
+/*
+ * Return next 32 bits (left aligned).
+ */
+static uint32_t get_bit_cache(bit_buffer_t *bitbuf) {
+ uint32_t result;
+
+ /* load 32 bits of data (byte-aligned) */
+ result = be2me_32 (*((uint32_t *) &bitbuf->buffer[bitbuf->bitpos >> 3]));
+
+ /* compensate for sub-byte offset */
+ result <<= (bitbuf->bitpos & 0x7);
+
+ return result;
+}
+
+static int decode_svq1_block (bit_buffer_t *bitbuf, uint8_t *pixels, int pitch, int intra) {
+ uint32_t bit_cache;
+ vlc_code_t *vlc;
+ uint8_t *list[63];
+ uint32_t *dst;
+ uint32_t *codebook;
+ int entries[6];
+ int i, j, m, n;
+ int mean, stages;
+ int x, y, width, height, level;
+ uint32_t n1, n2, n3, n4;
+
+ /* initialize list for breadth first processing of vectors */
+ list[0] = pixels;
+
+ /* recursively process vector */
+ for (i=0, m=1, n=1, level=5; i < n; i++) {
+ for (; level > 0; i++) {
+
+ /* process next depth */
+ if (i == m) {
+ m = n;
+
+ if (--level == 0)
+ break;
+ }
+
+ /* divide block if next bit set */
+ if (get_bits (bitbuf, 1) == 0)
+ break;
+
+ /* add child nodes */
+ list[n++] = list[i];
+ list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level / 2) + 1));
+ }
+
+ /* destination address and vector size */
+ dst = (uint32_t *) list[i];
+ width = 1 << ((4 + level) /2);
+ height = 1 << ((3 + level) /2);
+
+ /* get number of stages (-1 skips vector, 0 for mean only) */
+ bit_cache = get_bit_cache (bitbuf);
+
+ if (intra)
+ vlc = &intra_vector_tables[level][bit_cache >> (32 - 7)];
+ else
+ vlc = &inter_vector_tables[level][bit_cache >> (32 - 6)];
+
+ /* flush bits */
+ stages = vlc->value;
+ bitbuf->bitpos += vlc->length;
+
+ if (stages == -1) {
+ if (intra) {
+ for (y=0; y < height; y++) {
+ memset (&dst[y*(pitch / 4)], 0, width);
+ }
+ }
+ continue; /* skip vector */
+ }
+
+ if ((stages > 0) && (level >= 4)) {
+ return -1; /* invalid vector */
+ }
+
+ /* get mean value for vector */
+ bit_cache = get_bit_cache (bitbuf);
+
+ if (intra) {
+ if (bit_cache >= 0x25000000)
+ vlc = &intra_mean_table_0[(bit_cache >> (32 - 8)) - 37];
+ else if (bit_cache >= 0x03400000)
+ vlc = &intra_mean_table_1[(bit_cache >> (32 - 10)) - 13];
+ else if (bit_cache >= 0x00040000)
+ vlc = &intra_mean_table_2[(bit_cache >> (32 - 14)) - 1];
+ else
+ vlc = &intra_mean_table_3[bit_cache >> (32 - 20)];
+ } else {
+ if (bit_cache >= 0x0B000000)
+ vlc = &inter_mean_table_0[(bit_cache >> (32 - 8)) - 11];
+ else if (bit_cache >= 0x01200000)
+ vlc = &inter_mean_table_1[(bit_cache >> (32 - 12)) - 18];
+ else if (bit_cache >= 0x002E0000)
+ vlc = &inter_mean_table_2[(bit_cache >> (32 - 15)) - 23];
+ else if (bit_cache >= 0x00094000)
+ vlc = &inter_mean_table_3[(bit_cache >> (32 - 18)) - 37];
+ else if (bit_cache >= 0x00049000)
+ vlc = &inter_mean_table_4[(bit_cache >> (32 - 20)) - 73];
+ else
+ vlc = &inter_mean_table_5[bit_cache >> (32 - 22)];
+ }
+
+ /* flush bits */
+ mean = vlc->value;
+ bitbuf->bitpos += vlc->length;
+
+ if (intra && stages == 0) {
+ for (y=0; y < height; y++) {
+ memset (&dst[y*(pitch / 4)], mean, width);
+ }
+ } else {
+ codebook = (uint32_t *) (intra ? intra_codebooks[level] : inter_codebooks[level]);
+ bit_cache = get_bits (bitbuf, 4*stages);
+
+ /* calculate codebook entries for this vector */
+ for (j=0; j < stages; j++) {
+ entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1);
+ }
+
+ mean -= (stages * 128);
+ n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF);
+
+ for (y=0; y < height; y++) {
+ for (x=0; x < (width / 4); x++, codebook++) {
+ if (intra) {
+ n1 = n4;
+ n2 = n4;
+ } else {
+ n3 = dst[x];
+
+ /* add mean value to vector */
+ n1 = ((n3 & 0xFF00FF00) >> 8) + n4;
+ n2 = (n3 & 0x00FF00FF) + n4;
+ }
+
+ /* add codebook entries to vector */
+ for (j=0; j < stages; j++) {
+ n3 = codebook[entries[j]] ^ 0x80808080;
+ n1 += ((n3 & 0xFF00FF00) >> 8);
+ n2 += (n3 & 0x00FF00FF);
+ }
+
+ /* clip to [0..255] */
+ if (n1 & 0xFF00FF00) {
+ n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
+ n1 += 0x7F007F00;
+ n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
+ n1 &= (n3 & 0x00FF00FF);
+ }
+
+ if (n2 & 0xFF00FF00) {
+ n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
+ n2 += 0x7F007F00;
+ n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001;
+ n2 &= (n3 & 0x00FF00FF);
+ }
+
+ /* store result */
+ dst[x] = (n1 << 8) | n2;
+ }
+
+ dst += (pitch / 4);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int decode_motion_vector (bit_buffer_t *bitbuf, svq1_pmv_t *mv, svq1_pmv_t **pmv) {
+ uint32_t bit_cache;
+ vlc_code_t *vlc;
+ int diff, sign;
+ int i;
+
+ for (i=0; i < 2; i++) {
+
+ /* get motion code */
+ bit_cache = get_bit_cache (bitbuf);
+
+ if (!(bit_cache & 0xFFE00000))
+ return -1; /* invalid vlc code */
+
+ if (bit_cache & 0x80000000) {
+ diff = 0;
+
+ /* flush bit */
+ bitbuf->bitpos++;
+
+ } else {
+ if (bit_cache >= 0x06000000) {
+ vlc = &motion_table_0[(bit_cache >> (32 - 7)) - 3];
+ } else {
+ vlc = &motion_table_1[(bit_cache >> (32 - 12)) - 2];
+ }
+
+ /* decode motion vector differential */
+ sign = (int) (bit_cache << (vlc->length - 1)) >> 31;
+ diff = (vlc->value ^ sign) - sign;
+
+ /* flush bits */
+ bitbuf->bitpos += vlc->length;
+ }
+
+ /* add median of motion vector predictors and clip result */
+ if (i == 1)
+ mv->y = ((diff + MEDIAN(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26;
+ else
+ mv->x = ((diff + MEDIAN(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26;
+ }
+
+ return 0;
+}
+
+static void skip_block (uint8_t *current, uint8_t *previous, int pitch, int x, int y) {
+ uint8_t *src;
+ uint8_t *dst;
+ int i;
+
+ src = &previous[x + y*pitch];
+ dst = current;
+
+ for (i=0; i < 16; i++) {
+ memcpy (dst, src, 16);
+ src += pitch;
+ dst += pitch;
+ }
+}
+
+static int motion_inter_block (bit_buffer_t *bitbuf,
+ uint8_t *current, uint8_t *previous, int pitch,
+ svq1_pmv_t *motion, int x, int y) {
+ uint8_t *src;
+ uint8_t *dst;
+ svq1_pmv_t mv;
+ svq1_pmv_t *pmv[3];
+ int sx, sy;
+ int result;
+
+ /* predict and decode motion vector */
+ pmv[0] = &motion[0];
+ pmv[1] = &motion[(x / 8) + 2];
+ pmv[2] = &motion[(x / 8) + 4];
+
+ if (y == 0) {
+ pmv[1] = pmv[0];
+ pmv[2] = pmv[0];
+ }
+
+ result = decode_motion_vector (bitbuf, &mv, pmv);
+
+ if (result != 0)
+ return result;
+
+ motion[0].x = mv.x;
+ motion[0].y = mv.y;
+ motion[(x / 8) + 2].x = mv.x;
+ motion[(x / 8) + 2].y = mv.y;
+ motion[(x / 8) + 3].x = mv.x;
+ motion[(x / 8) + 3].y = mv.y;
+
+ src = &previous[(x + (mv.x >> 1)) + (y + (mv.y >> 1))*pitch];
+ dst = current;
+
+ /* form prediction */
+ if (mv.y & 0x1) {
+ if (mv.x & 0x1) {
+ for (sy=0; sy < 16; sy++) {
+ for (sx=0; sx < 16; sx++) {
+ dst[sx] = (src[sx] + src[sx + 1] + src[sx + pitch] + src[sx + pitch + 1] + 2) >> 2;
+ }
+ src += pitch;
+ dst += pitch;
+ }
+ } else {
+ for (sy=0; sy < 16; sy++) {
+ for (sx=0; sx < 16; sx++) {
+ dst[sx] = (src[sx] + src[sx + pitch] + 1) >> 1;
+ }
+ src += pitch;
+ dst += pitch;
+ }
+ }
+ } else {
+ if (mv.x & 0x1) {
+ for (sy=0; sy < 16; sy++) {
+ for (sx=0; sx < 16; sx++) {
+ dst[sx] = (src[sx] + src[sx + 1] + 1) >> 1;
+ }
+ src += pitch;
+ dst += pitch;
+ }
+ } else {
+ for (sy=0; sy < 16; sy++) {
+ memcpy (dst, src, 16);
+ src += pitch;
+ dst += pitch;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int motion_inter_4v_block (bit_buffer_t *bitbuf,
+ uint8_t *current, uint8_t *previous, int pitch,
+ svq1_pmv_t *motion,int x, int y) {
+ uint8_t *src;
+ uint8_t *dst;
+ svq1_pmv_t mv;
+ svq1_pmv_t *pmv[4];
+ int sx, sy;
+ int i, result;
+
+ /* predict and decode motion vector (0) */
+ pmv[0] = &motion[0];
+ pmv[1] = &motion[(x / 8) + 2];
+ pmv[2] = &motion[(x / 8) + 4];
+
+ if (y == 0) {
+ pmv[1] = pmv[0];
+ pmv[2] = pmv[0];
+ }
+
+ result = decode_motion_vector (bitbuf, &mv, pmv);
+
+ if (result != 0)
+ return result;
+
+ /* predict and decode motion vector (1) */
+ pmv[0] = &mv;
+ pmv[1] = &motion[(x / 8) + 3];
+
+ if (y == 0) {
+ pmv[1] = pmv[0];
+ pmv[2] = pmv[0];
+ }
+
+ result = decode_motion_vector (bitbuf, &motion[0], pmv);
+
+ if (result != 0)
+ return result;
+
+ /* predict and decode motion vector (2) */
+ pmv[1] = &motion[0];
+ pmv[2] = &motion[(x / 8) + 1];
+
+ result = decode_motion_vector (bitbuf, &motion[(x / 8) + 2], pmv);
+
+ if (result != 0)
+ return result;
+
+ /* predict and decode motion vector (3) */
+ pmv[2] = &motion[(x / 8) + 2];
+ pmv[3] = &motion[(x / 8) + 3];
+
+ result = decode_motion_vector (bitbuf, pmv[3], pmv);
+
+ if (result != 0)
+ return result;
+
+ /* form predictions */
+ for (i=0; i < 4; i++) {
+ src = &previous[(x + (pmv[i]->x >> 1)) + (y + (pmv[i]->y >> 1))*pitch];
+ dst = current;
+
+ if (pmv[i]->y & 0x1) {
+ if (pmv[i]->x & 0x1) {
+ for (sy=0; sy < 8; sy++) {
+ for (sx=0; sx < 8; sx++) {
+ dst[sx] = (src[sx] + src[sx + 1] + src[sx + pitch] + src[sx + pitch + 1] + 2) >> 2;
+ }
+ src += pitch;
+ dst += pitch;
+ }
+ } else {
+ for (sy=0; sy < 8; sy++) {
+ for (sx=0; sx < 8; sx++) {
+ dst[sx] = (src[sx] + src[sx + pitch] + 1) >> 1;
+ }
+ src += pitch;
+ dst += pitch;
+ }
+ }
+ } else {
+ if (pmv[i]->x & 0x1) {
+ for (sy=0; sy < 8; sy++) {
+ for (sx=0; sx < 8; sx++) {
+ dst[sx] = (src[sx] + src[sx + 1] + 1) >> 1;
+ }
+ src += pitch;
+ dst += pitch;
+ }
+ } else {
+ for (sy=0; sy < 8; sy++) {
+ memcpy (dst, src, 8);
+ src += pitch;
+ dst += pitch;
+ }
+ }
+ }
+
+ /* select next block */
+ if (i & 1) {
+ current += 8*(pitch - 1);
+ previous += 8*(pitch - 1);
+ } else {
+ current += 8;
+ previous += 8;
+ }
+ }
+
+ return 0;
+}
+
+static int decode_delta_block (bit_buffer_t *bitbuf,
+ uint8_t *current, uint8_t *previous, int pitch,
+ svq1_pmv_t *motion, int x, int y) {
+ uint32_t bit_cache;
+ uint32_t block_type;
+ int result = 0;
+
+ /* get block type */
+ bit_cache = get_bit_cache (bitbuf);
+
+ bit_cache >>= (32 - 3);
+ block_type = block_type_table[bit_cache].value;
+ bitbuf->bitpos += block_type_table[bit_cache].length;
+
+ /* reset motion vectors */
+ if (block_type == SVQ1_BLOCK_SKIP || block_type == SVQ1_BLOCK_INTRA) {
+ motion[0].x = 0;
+ motion[0].y = 0;
+ motion[(x / 8) + 2].x = 0;
+ motion[(x / 8) + 2].y = 0;
+ motion[(x / 8) + 3].x = 0;
+ motion[(x / 8) + 3].y = 0;
+ }
+
+ switch (block_type) {
+ case SVQ1_BLOCK_SKIP:
+ skip_block (current, previous, pitch, x, y);
+ break;
+
+ case SVQ1_BLOCK_INTER:
+ result = motion_inter_block (bitbuf, current, previous, pitch, motion, x, y);
+
+ if (result != 0)
+ break;
+
+ result = decode_svq1_block (bitbuf, current, pitch, 0);
+ break;
+
+ case SVQ1_BLOCK_INTER_4V:
+ result = motion_inter_4v_block (bitbuf, current, previous, pitch, motion, x, y);
+
+ if (result != 0)
+ break;
+
+ result = decode_svq1_block (bitbuf, current, pitch, 0);
+ break;
+
+ case SVQ1_BLOCK_INTRA:
+ result = decode_svq1_block (bitbuf, current, pitch, 1);
+ break;
+ }
+
+ return result;
+}
+
+static int decode_frame_header (bit_buffer_t *bitbuf, svq1_t *svq1) {
+ int frame_size_code;
+
+ /* unknown field */
+ get_bits (bitbuf, 8);
+
+ /* frame type */
+ svq1->frame_type = get_bits (bitbuf, 2);
+
+ if (svq1->frame_type == 3)
+ return -1;
+
+ if (svq1->frame_type == SVQ1_FRAME_INTRA) {
+
+ /* unknown fields */
+ if (svq1->frame_code == 0x50 || svq1->frame_code == 0x60) {
+ get_bits (bitbuf, 16);
+ }
+
+ if ((svq1->frame_code ^ 0x10) >= 0x50) {
+ bitbuf->bitpos += 8*get_bits (bitbuf, 8);
+ }
+
+ get_bits (bitbuf, 2);
+ get_bits (bitbuf, 2);
+ get_bits (bitbuf, 1);
+
+ /* load frame size */
+ frame_size_code = get_bits (bitbuf, 3);
+
+ if (frame_size_code == 7) {
+ /* load width, height (12 bits each) */
+ svq1->frame_width = get_bits (bitbuf, 12);
+ svq1->frame_height = get_bits (bitbuf, 12);
+
+ if (!svq1->frame_width || !svq1->frame_height)
+ return -1;
+ } else {
+ /* get width, height from table */
+ svq1->frame_width = frame_size_table[frame_size_code].width;
+ svq1->frame_height = frame_size_table[frame_size_code].height;
+ }
+ }
+
+ /* unknown fields */
+ if (get_bits (bitbuf, 1) == 1) {
+ get_bits (bitbuf, 1);
+ get_bits (bitbuf, 1);
+
+ if (get_bits (bitbuf, 2) != 0)
+ return -1;
+ }
+
+ if (get_bits (bitbuf, 1) == 1) {
+ get_bits (bitbuf, 1);
+ get_bits (bitbuf, 4);
+ get_bits (bitbuf, 1);
+ get_bits (bitbuf, 2);
+
+ while (get_bits (bitbuf, 1) == 1) {
+ get_bits (bitbuf, 8);
+ }
+ }
+
+ return 0;
+}
+
+static int svq1_decode_frame (svq1_t *svq1, uint8_t *buffer) {
+ bit_buffer_t bitbuf;
+ uint8_t *current, *previous;
+ int result, i, x, y, width, height;
+ int luma_size, chroma_size;
+
+ /* initialize bit buffer */
+ bitbuf.buffer = buffer;
+ bitbuf.bitpos = 0;
+
+ /* decode frame header */
+ svq1->frame_code = get_bits (&bitbuf, 22);
+
+ if ((svq1->frame_code & ~0x70) || !(svq1->frame_code & 0x60))
+ return -1;
+
+ /* swap some header bytes (why?) */
+ if (svq1->frame_code != 0x20) {
+ uint32_t *src = (uint32_t *) (buffer + 4);
+
+ for (i=0; i < 4; i++) {
+ src[i] = ((src[i] << 16) | (src[i] >> 16)) ^ src[7 - i];
+ }
+ }
+
+ result = decode_frame_header (&bitbuf, svq1);
+
+ if (result != 0)
+ return result;
+
+ /* check frame size (changed?) */
+ if (((svq1->frame_width + 3) & ~0x3) != svq1->width ||
+ ((svq1->frame_height + 3) & ~0x3) != svq1->height) {
+
+ /* free current buffers */
+ free (svq1->current);
+ free (svq1->previous);
+ free (svq1->motion);
+
+ svq1->width = (svq1->frame_width + 3) & ~0x3;
+ svq1->height = (svq1->frame_height + 3) & ~0x3;
+ svq1->luma_width = (svq1->width + 15) & ~0xF;
+ svq1->luma_height = (svq1->height + 15) & ~0xF;
+ svq1->chroma_width = ((svq1->width / 4) + 15) & ~0xF;
+ svq1->chroma_height = ((svq1->height / 4) + 15) & ~0xF;
+
+ /* allocate new pixel and motion buffers for updated frame size */
+ luma_size = svq1->luma_width * svq1->luma_height;
+ chroma_size = svq1->chroma_width * svq1->chroma_height;
+
+ svq1->motion = (svq1_pmv_t *) malloc (((svq1->luma_width / 8) + 3) * sizeof(svq1_pmv_t));
+ svq1->current = (uint8_t *) malloc (luma_size + 2*chroma_size);
+ svq1->previous = (uint8_t *) malloc (luma_size + 2*chroma_size);
+ svq1->offsets[0] = 0;
+ svq1->offsets[1] = luma_size;
+ svq1->offsets[2] = luma_size + chroma_size;
+
+ for (i=0; i < 3; i++) {
+ svq1->base[i] = svq1->current + svq1->offsets[i];
+ }
+
+ svq1->reference_frame = 0;
+ }
+
+ /* delta frame requires reference frame */
+ if (svq1->frame_type != SVQ1_FRAME_INTRA && !svq1->reference_frame)
+ return -1;
+
+ /* decode y, u and v components */
+ for (i=0; i < 3; i++) {
+ if (i == 0) {
+ width = svq1->luma_width;
+ height = svq1->luma_height;
+ } else {
+ width = svq1->chroma_width;
+ height = svq1->chroma_height;
+ }
+
+ current = svq1->current + svq1->offsets[i];
+ previous = svq1->previous + svq1->offsets[i];
+
+ if (svq1->frame_type == SVQ1_FRAME_INTRA) {
+ /* keyframe */
+ for (y=0; y < height; y+=16) {
+ for (x=0; x < width; x+=16) {
+ result = decode_svq1_block (&bitbuf, &current[x], width, 1);
+
+ if (result != 0)
+ return result;
+ }
+
+ current += 16*width;
+ }
+ } else {
+ /* delta frame */
+ memset (svq1->motion, 0, ((width / 8) + 3) * sizeof(svq1_pmv_t));
+
+ for (y=0; y < height; y+=16) {
+ for (x=0; x < width; x+=16) {
+ result = decode_delta_block (&bitbuf, &current[x], previous,
+ width, svq1->motion, x, y);
+
+ if (result != 0)
+ return result;
+ }
+
+ svq1->motion[0].x = 0;
+ svq1->motion[0].y = 0;
+
+ current += 16*width;
+ }
+ }
+ }
+
+ /* update pixel buffers for frame copy */
+ for (i=0; i < 3; i++) {
+ svq1->base[i] = svq1->current + svq1->offsets[i];
+ }
+
+ /* update backward reference frame */
+ if (svq1->frame_type != SVQ1_FRAME_DROPPABLE) {
+ uint8_t *tmp = svq1->previous;
+ svq1->previous = svq1->current;
+ svq1->current = tmp;
+ svq1->reference_frame = 1;
+ }
+
+ return 0;
+}
+
+static void hscale_chroma_line (uint8_t *dst, uint8_t *src, int width) {
+ uint32_t n1, n2;
+ int x;
+
+ n1 = *src;
+ *(dst++) = n1;
+
+ for (x=0; x < (width - 1); x++) {
+ n2 = *(++src);
+ *(dst++) = (3*n1 + n2 + 2) >> 2;
+ *(dst++) = (n1 + 3*n2 + 2) >> 2;
+ n1 = n2;
+ }
+
+ *dst = n1;
+}
+
+static void vscale_chroma_line (uint8_t *dst, int pitch, uint8_t *src1, uint8_t *src2, int width) {
+ uint32_t t1, t2;
+ uint32_t n1, n2, n3, n4;
+ uint32_t *dst1, *dst2;
+ int x;
+
+ dst1 = (uint32_t *) dst;
+ dst2 = (uint32_t *) (dst + pitch);
+
+ /* process blocks of 4 pixels */
+ for (x=0; x < (width / 4); x++) {
+ n1 = *(((uint32_t *) src1)++);
+ n2 = *(((uint32_t *) src2)++);
+ n3 = (n1 & 0xFF00FF00) >> 8;
+ n4 = (n2 & 0xFF00FF00) >> 8;
+ n1 &= 0x00FF00FF;
+ n2 &= 0x00FF00FF;
+
+ t1 = (2*n1 + 2*n2 + 0x20002);
+ t2 = (n1 - n2);
+ n1 = (t1 + t2);
+ n2 = (t1 - t2);
+ t1 = (2*n3 + 2*n4 + 0x20002);
+ t2 = (n3 - n4);
+ n3 = (t1 + t2);
+ n4 = (t1 - t2);
+
+ *(dst1++) = ((n1 >> 2) & 0x00FF00FF) | ((n3 << 6) & 0xFF00FF00);
+ *(dst2++) = ((n2 >> 2) & 0x00FF00FF) | ((n4 << 6) & 0xFF00FF00);
+ }
+
+ /* process remaining pixels */
+ for (x=(width & ~0x3); x < width; x++) {
+ n1 = src1[x];
+ n2 = src2[x];
+
+ dst[x] = (3*n1 + n2 + 2) >> 2;
+ dst[x+pitch] = (n1 + 3*n2 + 2) >> 2;
+ }
+}
+
+static void svq1_copy_frame (svq1_t *svq1, uint8_t *base[3], int pitch) {
+ uint8_t *src;
+ uint8_t *dst;
+ uint8_t *cr1, *cr2, *tmp;
+ int y, i;
+
+ src = svq1->base[0];
+ dst = base[0];
+
+ for (y=0; y < svq1->height; y++) {
+ memcpy (dst, src, svq1->width);
+ src += svq1->luma_width;
+ dst += pitch;
+ }
+
+ for (i=1; i < 3; i++) {
+ src = svq1->base[i];
+ dst = base[i];
+ cr1 = &dst[(pitch / 2) * ((svq1->height / 2) - 1)];
+ cr2 = &dst[(pitch / 2) * ((svq1->height / 2) - 2)];
+
+ /* horizontally upscale first line */
+ hscale_chroma_line (cr1, src, (svq1->width / 4));
+ src += svq1->chroma_width;
+
+ /* store first line */
+ memcpy (dst, cr1, (svq1->width / 2));
+ dst += (pitch / 2);
+
+ for (y=0; y < (svq1->height / 4) - 1; y++) {
+ hscale_chroma_line (cr2, src, (svq1->width / 4));
+ src += svq1->chroma_width;
+
+ /* interpolate and store two lines */
+ vscale_chroma_line (dst, (pitch / 2), cr1, cr2, (svq1->width / 2));
+ dst += pitch;
+
+ /* swap buffers */
+ tmp = cr2;
+ cr2 = cr1;
+ cr1 = tmp;
+ }
+
+ /* horizontally upscale and store last line */
+ src -= svq1->chroma_width;
+ hscale_chroma_line (dst, src, (svq1->width / 4));
+ }
+}
+
+static int svq1dec_can_handle (video_decoder_t *this_gen, int buf_type) {
+ return ((buf_type & 0xFFFF0000) == BUF_VIDEO_SORENSON_V1);
+}
+
+static void svq1dec_init (video_decoder_t *this_gen, vo_instance_t *video_out) {
+ svq1dec_decoder_t *this = (svq1dec_decoder_t *) this_gen;
+
+ this->video_out = video_out;
+ this->decoder_ok = 0;
+ this->svq1 = (svq1_t *) xine_xmalloc (sizeof(svq1_t));
+}
+
+static void svq1dec_decode_data (video_decoder_t *this_gen, buf_element_t *buf) {
+ svq1dec_decoder_t *this = (svq1dec_decoder_t *) this_gen;
+
+ if (buf->decoder_flags & BUF_FLAG_PREVIEW)
+ return;
+
+ if (buf->decoder_flags & BUF_FLAG_HEADER) {
+ this->video_step = buf->decoder_info[1];
+
+ if (this->buf)
+ free (this->buf);
+ this->bufsize = VIDEOBUFSIZE;
+ this->buf = malloc(this->bufsize);
+ this->size = 0;
+
+ this->video_out->open (this->video_out);
+ this->decoder_ok = 1;
+
+ } else if (this->decoder_ok) {
+
+ if (this->size + buf->size > this->bufsize) {
+ this->bufsize = this->size + 2 * buf->size;
+ this->buf = realloc (this->buf, this->bufsize);
+ }
+
+ xine_fast_memcpy (&this->buf[this->size], buf->content, buf->size);
+
+ this->size += buf->size;
+
+ if (buf->decoder_flags & BUF_FLAG_FRAMERATE)
+ this->video_step = buf->decoder_info[0];
+
+ if (buf->decoder_flags & BUF_FLAG_FRAME_END) {
+
+ vo_frame_t *img;
+ int result;
+
+ result = svq1_decode_frame (this->svq1, this->buf);
+
+ if (this->svq1->width > 0 && this->svq1->height > 0) {
+
+ img = this->video_out->get_frame (this->video_out,
+ this->svq1->width,
+ this->svq1->height,
+ 42, IMGFMT_YV12, VO_BOTH_FIELDS);
+
+ img->duration = this->video_step;
+ img->pts = buf->pts;
+ img->bad_frame = (result != 0);
+
+ if (result == 0) {
+ svq1_copy_frame (this->svq1, img->base, img->width);
+ }
+
+ if (img->copy) {
+ int height = img->height;
+ int stride = img->width;
+ uint8_t *src[3];
+
+ src[0] = img->base[0];
+ src[1] = img->base[1];
+ src[2] = img->base[2];
+
+ while ((height -= 16) >= 0) {
+ img->copy(img, src);
+ src[0] += 16 * stride;
+ src[1] += 4 * stride;
+ src[2] += 4 * stride;
+ }
+ }
+
+ img->draw(img);
+ img->free(img);
+ }
+
+ this->size = 0;
+ }
+ }
+}
+
+static void svq1dec_flush (video_decoder_t *this_gen) {
+}
+
+static void svq1dec_reset (video_decoder_t *this_gen) {
+ svq1dec_decoder_t *this = (svq1dec_decoder_t *) this_gen;
+
+ if (this->svq1) {
+ this->svq1->reference_frame = 0;
+ }
+
+ this->size = 0;
+}
+
+static void svq1dec_close (video_decoder_t *this_gen) {
+ svq1dec_decoder_t *this = (svq1dec_decoder_t *) this_gen;
+
+ if (this->svq1) {
+ free (this->svq1->current);
+ free (this->svq1->previous);
+ free (this->svq1->motion);
+ free (this->svq1);
+ this->svq1 = NULL;
+ }
+
+ if (this->buf) {
+ free (this->buf);
+ this->buf = NULL;
+ }
+
+ if (this->decoder_ok) {
+ this->decoder_ok = 0;
+ this->video_out->close(this->video_out);
+ }
+}
+
+static char *svq1dec_get_id(void) {
+ return "svq1";
+}
+
+static void svq1dec_dispose (video_decoder_t *this_gen) {
+ free (this_gen);
+}
+
+video_decoder_t *init_video_decoder_plugin (int iface_version, xine_t *xine) {
+
+ svq1dec_decoder_t *this ;
+
+ if (iface_version != 9) {
+ printf( "svq1: plugin doesn't support plugin API version %d.\n"
+ "svq1: this means there's a version mismatch between xine and this "
+ "svq1: decoder plugin.\nInstalling current plugins should help.\n",
+ iface_version);
+ return NULL;
+ }
+
+ this = (svq1dec_decoder_t *) xine_xmalloc (sizeof (svq1dec_decoder_t));
+
+ this->video_decoder.interface_version = iface_version;
+ this->video_decoder.can_handle = svq1dec_can_handle;
+ this->video_decoder.init = svq1dec_init;
+ this->video_decoder.decode_data = svq1dec_decode_data;
+ this->video_decoder.flush = svq1dec_flush;
+ this->video_decoder.reset = svq1dec_reset;
+ this->video_decoder.close = svq1dec_close;
+ this->video_decoder.get_identifier = svq1dec_get_id;
+ this->video_decoder.dispose = svq1dec_dispose;
+ this->video_decoder.priority = 5;
+
+ return (video_decoder_t *) this;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-21 09:09:52 +0000