Move aanscales tables to their own file; fixes compilation without encoders.

based on a patch by David Geldreich, david.geldreich free fr

Originally committed as revision 15939 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 47 insertions, 0 deletions

diff --git a/libavcodec/aandcttab.c b/libavcodec/aandcttab.c
new file mode 100644
index 0000000000..4097067963
--- /dev/null
+++ b/libavcodec/aandcttab.c
@@ -0,0 +1,47 @@
+/*
+ * 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 aandcttab.c
+ * AAN (Arai Agui Aakajima) (I)DCT tables
+ */
+
+#include <stdint.h>
+
+const uint16_t ff_aanscales[64] = {
+    /* precomputed values scaled up by 14 bits */
+    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,
+    22725, 31521, 29692, 26722, 22725, 17855, 12299,  6270,
+    21407, 29692, 27969, 25172, 21407, 16819, 11585,  5906,
+    19266, 26722, 25172, 22654, 19266, 15137, 10426,  5315,
+    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,
+    12873, 17855, 16819, 15137, 12873, 10114,  6967,  3552,
+    8867 , 12299, 11585, 10426,  8867,  6967,  4799,  2446,
+    4520 ,  6270,  5906,  5315,  4520,  3552,  2446,  1247
+};
+
+const uint16_t ff_inv_aanscales[64] = {
+  4096,  2953,  3135,  3483,  4096,  5213,  7568, 14846,
+  2953,  2129,  2260,  2511,  2953,  3759,  5457, 10703,
+  3135,  2260,  2399,  2666,  3135,  3990,  5793, 11363,
+  3483,  2511,  2666,  2962,  3483,  4433,  6436, 12625,
+  4096,  2953,  3135,  3483,  4096,  5213,  7568, 14846,
+  5213,  3759,  3990,  4433,  5213,  6635,  9633, 18895,
+  7568,  5457,  5793,  6436,  7568,  9633, 13985, 27432,
+ 14846, 10703, 11363, 12625, 14846, 18895, 27432, 53809,
+};