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Diffstat (limited to 'gst/yadif/vf_yadif.c')
| -rw-r--r-- | gst/yadif/vf_yadif.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/gst/yadif/vf_yadif.c b/gst/yadif/vf_yadif.c deleted file mode 100644 index 0a7baeea5..000000000 --- a/gst/yadif/vf_yadif.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright (C) 2013 David Schleef <ds@schleef.org> - * Copyright (C) 2013 Rdio, Inc. <ingestions@rd.io> - * Copyright (C) 2006-2010 Michael Niedermayer <michaelni@gmx.at> - * 2010 James Darnley <james.darnley@gmail.com> - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Libav 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with Libav; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <gstyadif.h> -#include <string.h> - -#undef NDEBUG -#include <assert.h> - -#define FFABS(a) ABS(a) -#define FFMIN(a,b) MIN(a,b) -#define FFMAX(a,b) MAX(a,b) -#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c) -#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c) - - -#define PERM_RWP AV_PERM_WRITE | AV_PERM_PRESERVE | AV_PERM_REUSE - -#define CHECK(j)\ - { int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\ - + FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\ - + FFABS(cur[mrefs+1+(j)] - cur[prefs+1-(j)]);\ - if (score < spatial_score) {\ - spatial_score= score;\ - spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\ - -#define FILTER \ - for (x = 0; x < w; x++) { \ - int c = cur[mrefs]; \ - int d = (prev2[0] + next2[0])>>1; \ - int e = cur[prefs]; \ - int temporal_diff0 = FFABS(prev2[0] - next2[0]); \ - int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; \ - int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; \ - int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \ - int spatial_pred = (c+e) >> 1; \ - int spatial_score = -1; \ - \ - if (mrefs > 0 && prefs > 0) { \ - spatial_score = FFABS(cur[mrefs - 1] - cur[prefs - 1]) + FFABS(c-e) \ - + FFABS(cur[mrefs + 1] - cur[prefs + 1]) - 1; \ - \ - CHECK(-1) CHECK(-2) }} }} \ - CHECK( 1) CHECK( 2) }} }} \ - } \ - if (mode < 2) { \ - int b = (prev2[2 * mrefs] + next2[2 * mrefs])>>1; \ - int f = (prev2[2 * prefs] + next2[2 * prefs])>>1; \ - int max = FFMAX3(d - e, d - c, FFMIN(b - c, f - e)); \ - int min = FFMIN3(d - e, d - c, FFMAX(b - c, f - e)); \ - \ - diff = FFMAX3(diff, min, -max); \ - } \ - \ - if (spatial_pred > d + diff) \ - spatial_pred = d + diff; \ - else if (spatial_pred < d - diff) \ - spatial_pred = d - diff; \ - \ - dst[0] = spatial_pred; \ - \ - dst++; \ - cur++; \ - prev++; \ - next++; \ - prev2++; \ - next2++; \ - } - -static void -filter_line_c (guint8 * dst, - guint8 * prev, guint8 * cur, guint8 * next, - int w, int prefs, int mrefs, int parity, int mode) -{ - int x; - guint8 *prev2 = parity ? prev : cur; - guint8 *next2 = parity ? cur : next; - -FILTER} - -#if 0 -static void -filter_line_c_16bit (guint16 * dst, - guint16 * prev, guint16 * cur, guint16 * next, - int w, int prefs, int mrefs, int parity, int mode) -{ - int x; - guint16 *prev2 = parity ? prev : cur; - guint16 *next2 = parity ? cur : next; - mrefs /= 2; - prefs /= 2; - -FILTER} -#endif - -void yadif_filter (GstYadif * yadif, int parity, int tff); -#if HAVE_CPU_X86_64 && (defined(__GNUC__) || defined(__clang__)) -void filter_line_x86_64 (guint8 * dst, - guint8 * prev, guint8 * cur, guint8 * next, - int w, int prefs, int mrefs, int parity, int mode); -#endif - -void -yadif_filter (GstYadif * yadif, int parity, int tff) -{ - int y, i; - const GstVideoInfo *vi = &yadif->video_info; - const GstVideoFormatInfo *vfi = vi->finfo; - - for (i = 0; i < GST_VIDEO_FORMAT_INFO_N_COMPONENTS (vfi); i++) { - int w = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vfi, i, vi->width); - int h = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (vfi, i, vi->height); - int refs = GST_VIDEO_INFO_COMP_STRIDE (vi, i); - int df = GST_VIDEO_INFO_COMP_PSTRIDE (vi, i); - guint8 *prev_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->prev_frame, i); - guint8 *cur_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->cur_frame, i); - guint8 *next_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->next_frame, i); - guint8 *dest_data = GST_VIDEO_FRAME_COMP_DATA (&yadif->dest_frame, i); - - for (y = 0; y < h; y++) { - if ((y ^ parity) & 1) { - guint8 *prev = prev_data + y * refs; - guint8 *cur = cur_data + y * refs; - guint8 *next = next_data + y * refs; - guint8 *dst = dest_data + y * refs; - int mode = ((y == 1) || (y + 2 == h)) ? 2 : yadif->mode; -#if HAVE_CPU_X86_64 && (defined(__GNUC__) || defined(__clang__)) - if (0) { - filter_line_c (dst, prev, cur, next, w, - y + 1 < h ? refs : -refs, y ? -refs : refs, parity ^ tff, mode); - } else { - filter_line_x86_64 (dst, prev, cur, next, w, - y + 1 < h ? refs : -refs, y ? -refs : refs, parity ^ tff, mode); - } -#else - filter_line_c (dst, prev, cur, next, w, - y + 1 < h ? refs : -refs, y ? -refs : refs, parity ^ tff, mode); -#endif - } else { - guint8 *dst = dest_data + y * refs; - guint8 *cur = cur_data + y * refs; - - memcpy (dst, cur, w * df); - } - } - } - -#if 0 - emms_c (); -#endif -} |