diff options
Diffstat (limited to 'ffmpeg1/libavcodec/mpeg12.h')
| -rw-r--r-- | ffmpeg1/libavcodec/mpeg12.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/ffmpeg1/libavcodec/mpeg12.h b/ffmpeg1/libavcodec/mpeg12.h deleted file mode 100644 index 1f36917..0000000 --- a/ffmpeg1/libavcodec/mpeg12.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * 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 - -extern VLC ff_dc_lum_vlc; -extern VLC ff_dc_chroma_vlc; - -typedef struct Mpeg1Context { - MpegEncContext mpeg_enc_ctx; - int mpeg_enc_ctx_allocated; /* true if decoding context allocated */ - int repeat_field; /* true if we must repeat the field */ - AVPanScan pan_scan; /**< some temporary storage for the panscan */ - int slice_count; - int swap_uv;//indicate VCR2 - int save_aspect_info; - int save_width, save_height, save_progressive_seq; - AVRational frame_rate_ext; ///< MPEG-2 specific framerate modificator - int sync; ///< Did we reach a sync point like a GOP/SEQ/KEYFrame? - int tmpgexs; - int extradata_decoded; -} Mpeg1Context; - -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, ff_dc_lum_vlc.table, DC_VLC_BITS, 2); - } else { - code = get_vlc2(gb, ff_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, int16_t *block, int n); - -#endif /* AVCODEC_MPEG12_H */ |
