From 9abc7e0fdc5b99e4503e22c9084195867e312222 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 9 Nov 2007 21:37:48 +0000 Subject: intrax8 decoder patch by "someone" Originally committed as revision 10971 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/intrax8.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 libavcodec/intrax8.h (limited to 'libavcodec/intrax8.h') diff --git a/libavcodec/intrax8.h b/libavcodec/intrax8.h new file mode 100644 index 0000000000..0bbe72ded2 --- /dev/null +++ b/libavcodec/intrax8.h @@ -0,0 +1,51 @@ +/* + * 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 + */ + +typedef struct{ + VLC * j_ac_vlc[4];//they point to the static j_mb_vlc + VLC * j_orient_vlc; + VLC * j_dc_vlc[3]; + + int use_quant_matrix; +//set by ff_intrax8_common_init + uint8_t * prediction_table;//2*(mb_w*2) + ScanTable scantable[3]; +//set by the caller codec + MpegEncContext * s; + int quant; + int dquant; + int qsum; +//calculated per frame + int quant_dc_chroma; + int divide_quant_dc_luma; + int divide_quant_dc_chroma; +//changed per block + int edges; + int flat_dc; + int predicted_dc; + int raw_orient; + int chroma_orient; + int orient; + int est_run; +//#ifdef DEBUG + int mode_index[10];//debug only +//#endif +} IntraX8Context; + +void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s); +int ff_intrax8_decode_picture(IntraX8Context * w, int quant, int halfpq); -- cgit v1.2.3