diff options
author | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
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committer | povaddict <povaddict@users.sourceforge.net> | 2010-02-10 02:16:44 +0300 |
commit | 726a91b12a7524e45e7a901c9e4883af5b1bffe6 (patch) | |
tree | f5d25e3b2e84c92f4901280c73d5d3d7e6c3cd19 /src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/mpeg12.h | |
parent | 02183f6e47ad4ea1057de9950482f291f2ae4290 (diff) |
Rename several directories to use MixedCase instead of lowercase.
They now mostly match the case used in #includes,
and they're consistent with the names of the .h files they contain.
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@1648 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/mpeg12.h')
-rw-r--r-- | src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/mpeg12.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/mpeg12.h b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/mpeg12.h new file mode 100644 index 000000000..30bb675d3 --- /dev/null +++ b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/mpeg12.h @@ -0,0 +1,61 @@ +/* + * MPEG1/2 common code + * Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> + * + * 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 + */ + +#ifndef AVCODEC_MPEG12_H +#define AVCODEC_MPEG12_H + +#include "mpegvideo.h" + +#define DC_VLC_BITS 9 +#define TEX_VLC_BITS 9 + +static VLC dc_lum_vlc; +static VLC dc_chroma_vlc; + +extern uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3]; + +void ff_mpeg12_common_init(MpegEncContext *s); +void ff_mpeg12_init_vlcs(void); + +static inline int decode_dc(GetBitContext *gb, int component) +{ + int code, diff; + + if (component == 0) { + code = get_vlc2(gb, dc_lum_vlc.table, DC_VLC_BITS, 2); + } else { + code = get_vlc2(gb, dc_chroma_vlc.table, DC_VLC_BITS, 2); + } + if (code < 0){ + av_log(NULL, AV_LOG_ERROR, "invalid dc code at\n"); + return 0xffff; + } + if (code == 0) { + diff = 0; + } else { + diff = get_xbits(gb, code); + } + return diff; +} + +extern int ff_mpeg1_decode_block_intra(MpegEncContext *s, DCTELEM *block, int n); + +#endif /* AVCODEC_MPEG12_H */ |