Separate DWT from snow and dsputil

This moves the DWT functions from snow.c and dsputil.c to a file of
their own.  A new struct, DWTContext, holds the function pointers
previously part of DSPContext.

Originally committed as revision 22522 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 3 insertions, 1 deletions

diff --git a/configure b/configure
index 60834ca0fb..7262c25948 100755
--- a/configure
+++ b/configure
@@ -894,6 +894,7 @@ CONFIG_LIST="
     bzlib
     dct
     doc
+    dwt
     dxva2
     fastdiv
     ffmpeg
@@ -1276,7 +1277,8 @@ rv30_decoder_select="golomb"
 rv40_decoder_select="golomb"
 shorten_decoder_select="golomb"
 sipr_decoder_select="lsp"
-snow_encoder_select="aandct"
+snow_decoder_select="dwt"
+snow_encoder_select="aandct dwt"
 sonic_decoder_select="golomb"
 sonic_encoder_select="golomb"
 sonic_ls_encoder_select="golomb"