From 3bf43d42eda38abd5b75d004e1431d71aacfbe48 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 7 Apr 2002 02:03:32 +0000 Subject: mpeg4 mpeg quantizer support Originally committed as revision 381 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpeg4data.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'libavcodec/mpeg4data.h') diff --git a/libavcodec/mpeg4data.h b/libavcodec/mpeg4data.h index 91b99625fc..d94b1d9efe 100644 --- a/libavcodec/mpeg4data.h +++ b/libavcodec/mpeg4data.h @@ -122,3 +122,27 @@ static const UINT16 pixel_aspect[16][2]={ {0, 0}, {0, 0}, }; + +/* these matrixes will be permuted for the idct */ +INT16 ff_mpeg4_default_intra_matrix[64] = { + 8, 17, 18, 19, 21, 23, 25, 27, + 17, 18, 19, 21, 23, 25, 27, 28, + 20, 21, 22, 23, 24, 26, 28, 30, + 21, 22, 23, 24, 26, 28, 30, 32, + 22, 23, 24, 26, 28, 30, 32, 35, + 23, 24, 26, 28, 30, 32, 35, 38, + 25, 26, 28, 30, 32, 35, 38, 41, + 27, 28, 30, 32, 35, 38, 41, 45, +}; + +INT16 ff_mpeg4_default_non_intra_matrix[64] = { + 16, 17, 18, 19, 20, 21, 22, 23, + 17, 18, 19, 20, 21, 22, 23, 24, + 18, 19, 20, 21, 22, 23, 24, 25, + 19, 20, 21, 22, 23, 24, 26, 27, + 20, 21, 22, 23, 25, 26, 27, 28, + 21, 22, 23, 24, 26, 27, 28, 30, + 22, 23, 24, 26, 27, 28, 30, 31, + 23, 24, 25, 27, 28, 30, 31, 33, +}; + -- cgit v1.2.3