1 files changed, 66 insertions, 0 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/bfin/vp3dsp_init.c b/chromium/third_party/ffmpeg/libavcodec/bfin/vp3dsp_init.c
new file mode 100644
index 00000000000..739750b6e48
--- /dev/null
+++ b/chromium/third_party/ffmpeg/libavcodec/bfin/vp3dsp_init.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
+ *
+ * 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
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "libavutil/attributes.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/mathops.h"
+#include "libavcodec/vp3dsp.h"
+
+void ff_bfin_vp3_idct(int16_t *block);
+
+/* Intra iDCT offset 128 */
+static void bfin_vp3_idct_put(uint8_t *dest, int line_size, int16_t *block)
+{
+    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP + 128;
+    int i,j;
+
+    ff_bfin_vp3_idct (block);
+
+    for (i=0;i<8;i++)
+        for (j=0;j<8;j++)
+            dest[line_size*i + j] = cm[block[j*8 + i]];
+
+    memset(block, 0, 128);
+}
+
+/* Inter iDCT */
+static void bfin_vp3_idct_add(uint8_t *dest, int line_size, int16_t *block)
+{
+    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
+    int i, j;
+
+    ff_bfin_vp3_idct (block);
+    for (i = 0; i < 8; i++)
+        for (j = 0; j < 8; j++)
+            dest[line_size*i + j] = cm[dest[line_size*i + j] + block[j*8 + i]];
+
+    memset(block, 0, 128);
+}
+
+av_cold void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags)
+{
+    if (!(flags & CODEC_FLAG_BITEXACT)) {
+        c->idct_add = bfin_vp3_idct_add;
+        c->idct_put = bfin_vp3_idct_put;
+    }
+}