diff options
| author | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
|---|---|---|
| committer | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
| commit | 726a91b12a7524e45e7a901c9e4883af5b1bffe6 (patch) | |
| tree | f5d25e3b2e84c92f4901280c73d5d3d7e6c3cd19 /src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rl.h | |
| parent | 02183f6e47ad4ea1057de9950482f291f2ae4290 (diff) | |
Rename several directories to use MixedCase instead of lowercase.
They now mostly match the case used in #includes,
and they're consistent with the names of the .h files they contain.
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@1648 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rl.h')
| -rw-r--r-- | src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rl.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rl.h b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rl.h new file mode 100644 index 000000000..773d96e49 --- /dev/null +++ b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/rl.h @@ -0,0 +1,86 @@ +/*
+ * Copyright (c) 2000-2002 Fabrice Bellard
+ * Copyright (c) 2002-2004 Michael Niedermayer
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file libavcodec/rl.h
+ * rl header.
+ */
+
+#ifndef AVCODEC_RL_H
+#define AVCODEC_RL_H
+
+#include <stdint.h>
+#include "get_bits.h"
+
+/* run length table */
+#define MAX_RUN 64
+#define MAX_LEVEL 64
+
+/** RLTable. */
+typedef struct RLTable {
+ int n; ///< number of entries of table_vlc minus 1
+ int last; ///< number of values for last = 0
+ const uint16_t (*table_vlc)[2];
+ const int8_t *table_run;
+ const int8_t *table_level;
+ uint8_t *index_run[2]; ///< encoding only
+ int8_t *max_level[2]; ///< encoding & decoding
+ int8_t *max_run[2]; ///< encoding & decoding
+ VLC vlc; ///< decoding only deprecated FIXME remove
+ RL_VLC_ELEM *rl_vlc[32]; ///< decoding only
+} RLTable;
+
+/**
+ *
+ * @param static_store static uint8_t array[2][2*MAX_RUN + MAX_LEVEL + 3] which will hold
+ * the level and run tables, if this is NULL av_malloc() will be used
+ */
+void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3]);
+void init_vlc_rl(RLTable *rl);
+
+#define INIT_VLC_RL(rl, static_size)\
+{\
+ int q;\
+ static RL_VLC_ELEM rl_vlc_table[32][static_size];\
+ INIT_VLC_STATIC(&rl.vlc, 9, rl.n + 1,\
+ &rl.table_vlc[0][1], 4, 2,\
+ &rl.table_vlc[0][0], 4, 2, static_size);\
+\
+ if(!rl.rl_vlc[0]){\
+ for(q=0; q<32; q++)\
+ rl.rl_vlc[q]= rl_vlc_table[q];\
+\
+ init_vlc_rl(&rl);\
+ }\
+}
+
+static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
+{
+ int index;
+ index = rl->index_run[last][run];
+ if (index >= rl->n)
+ return rl->n;
+ if (level > rl->max_level[last][run])
+ return rl->n;
+ return index + level - 1;
+}
+
+#endif /* AVCODEC_RL_H */
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