From f004ca1c1b5d272d8344ef12ab006cfe52cbf023 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 13 Feb 2002 15:26:28 +0000 Subject: optimized encode_dc() (+2% speed on P3 for mpeg1 intra only encodings) Originally committed as revision 298 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpeg12data.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'libavcodec/mpeg12data.h') diff --git a/libavcodec/mpeg12data.h b/libavcodec/mpeg12data.h index 4261986d24..65a8a2b9ae 100644 --- a/libavcodec/mpeg12data.h +++ b/libavcodec/mpeg12data.h @@ -61,6 +61,10 @@ const unsigned char vlc_dc_chroma_bits[12] = { 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, }; +/* simple include everything table for dc, first byte is bits number next 3 are code*/ +static UINT32 mpeg1_lum_dc_uni[512]; +static UINT32 mpeg1_chr_dc_uni[512]; + static const UINT16 mpeg1_vlc[113][2] = { { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, -- cgit v1.2.3