diff options
Diffstat (limited to 'ffmpeg/libavcodec/dv_tablegen.h')
| -rw-r--r-- | ffmpeg/libavcodec/dv_tablegen.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/ffmpeg/libavcodec/dv_tablegen.h b/ffmpeg/libavcodec/dv_tablegen.h deleted file mode 100644 index c04b802..0000000 --- a/ffmpeg/libavcodec/dv_tablegen.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Header file for hardcoded DV tables - * - * Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de> - * - * 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_DV_TABLEGEN_H -#define AVCODEC_DV_TABLEGEN_H - -#include <stdint.h> - -#include "dvdata.h" - -#if CONFIG_SMALL -#define DV_VLC_MAP_RUN_SIZE 15 -#define DV_VLC_MAP_LEV_SIZE 23 -#else -#define DV_VLC_MAP_RUN_SIZE 64 -#define DV_VLC_MAP_LEV_SIZE 512 //FIXME sign was removed so this should be /2 but needs check -#endif - -/* VLC encoding lookup table */ -typedef struct dv_vlc_pair { - uint32_t vlc; - uint32_t size; -} dv_vlc_pair; - -#if CONFIG_HARDCODED_TABLES -#define dv_vlc_map_tableinit() -#include "libavcodec/dv_tables.h" -#else -static struct dv_vlc_pair dv_vlc_map[DV_VLC_MAP_RUN_SIZE][DV_VLC_MAP_LEV_SIZE]; - -static void dv_vlc_map_tableinit(void) -{ - int i, j; - for (i = 0; i < NB_DV_VLC - 1; i++) { - if (ff_dv_vlc_run[i] >= DV_VLC_MAP_RUN_SIZE) - continue; -#if CONFIG_SMALL - if (ff_dv_vlc_level[i] >= DV_VLC_MAP_LEV_SIZE) - continue; -#endif - - if (dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].size != 0) - continue; - - dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].vlc = - ff_dv_vlc_bits[i] << (!!ff_dv_vlc_level[i]); - dv_vlc_map[ff_dv_vlc_run[i]][ff_dv_vlc_level[i]].size = - ff_dv_vlc_len[i] + (!!ff_dv_vlc_level[i]); - } - for (i = 0; i < DV_VLC_MAP_RUN_SIZE; i++) { -#if CONFIG_SMALL - for (j = 1; j < DV_VLC_MAP_LEV_SIZE; j++) { - if (dv_vlc_map[i][j].size == 0) { - dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc | - (dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size)); - dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size + - dv_vlc_map[0][j].size; - } - } -#else - for (j = 1; j < DV_VLC_MAP_LEV_SIZE/2; j++) { - if (dv_vlc_map[i][j].size == 0) { - dv_vlc_map[i][j].vlc = dv_vlc_map[0][j].vlc | - (dv_vlc_map[i-1][0].vlc << (dv_vlc_map[0][j].size)); - dv_vlc_map[i][j].size = dv_vlc_map[i-1][0].size + - dv_vlc_map[0][j].size; - } - dv_vlc_map[i][((uint16_t)(-j))&0x1ff].vlc = - dv_vlc_map[i][j].vlc | 1; - dv_vlc_map[i][((uint16_t)(-j))&0x1ff].size = - dv_vlc_map[i][j].size; - } -#endif - } -} -#endif /* CONFIG_HARDCODED_TABLES */ - -#endif /* AVCODEC_DV_TABLEGEN_H */ |