1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/h261.c b/contrib/ffmpeg/libavcodec/h261.c
new file mode 100644
index 000000000..b4658c58c
--- /dev/null
+++ b/contrib/ffmpeg/libavcodec/h261.c
@@ -0,0 +1,54 @@
+/*
+ * H261 common code
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2004 Maarten Daniels
+ *
+ * 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
+ */
+
+/**
+ * @file h261.c
+ * h261codec.
+ */
+
+#include "dsputil.h"
+#include "avcodec.h"
+#include "h261.h"
+
+#define IS_FIL(a)    ((a)&MB_TYPE_H261_FIL)
+
+uint8_t ff_h261_rl_table_store[2][2*MAX_RUN + MAX_LEVEL + 3];
+
+void ff_h261_loop_filter(MpegEncContext *s){
+    H261Context * h= (H261Context*)s;
+    const int linesize  = s->linesize;
+    const int uvlinesize= s->uvlinesize;
+    uint8_t *dest_y = s->dest[0];
+    uint8_t *dest_cb= s->dest[1];
+    uint8_t *dest_cr= s->dest[2];
+
+    if(!(IS_FIL (h->mtype)))
+        return;
+
+    s->dsp.h261_loop_filter(dest_y                   , linesize);
+    s->dsp.h261_loop_filter(dest_y                + 8, linesize);
+    s->dsp.h261_loop_filter(dest_y + 8 * linesize    , linesize);
+    s->dsp.h261_loop_filter(dest_y + 8 * linesize + 8, linesize);
+    s->dsp.h261_loop_filter(dest_cb, uvlinesize);
+    s->dsp.h261_loop_filter(dest_cr, uvlinesize);
+}
+