1 files changed, 101 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/loopfilter.h b/media/libvpx/libvpx/vp8/common/loopfilter.h
new file mode 100644
index 0000000000..909e8df512
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/common/loopfilter.h
@@ -0,0 +1,101 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VP8_COMMON_LOOPFILTER_H_
+#define VPX_VP8_COMMON_LOOPFILTER_H_
+
+#include "vpx_ports/mem.h"
+#include "vpx_config.h"
+#include "vp8_rtcd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAX_LOOP_FILTER 63
+/* fraction of total macroblock rows to be used in fast filter level picking */
+/* has to be > 2 */
+#define PARTIAL_FRAME_FRACTION 8
+
+typedef enum { NORMAL_LOOPFILTER = 0, SIMPLE_LOOPFILTER = 1 } LOOPFILTERTYPE;
+
+#if VPX_ARCH_ARM
+#define SIMD_WIDTH 1
+#else
+#define SIMD_WIDTH 16
+#endif
+
+/* Need to align this structure so when it is declared and
+ * passed it can be loaded into vector registers.
+ */
+typedef struct {
+  DECLARE_ALIGNED(SIMD_WIDTH, unsigned char,
+                  mblim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
+  DECLARE_ALIGNED(SIMD_WIDTH, unsigned char,
+                  blim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
+  DECLARE_ALIGNED(SIMD_WIDTH, unsigned char,
+                  lim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
+  DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, hev_thr[4][SIMD_WIDTH]);
+  unsigned char lvl[4][4][4];
+  unsigned char hev_thr_lut[2][MAX_LOOP_FILTER + 1];
+  unsigned char mode_lf_lut[10];
+} loop_filter_info_n;
+
+typedef struct loop_filter_info {
+  const unsigned char *mblim;
+  const unsigned char *blim;
+  const unsigned char *lim;
+  const unsigned char *hev_thr;
+} loop_filter_info;
+
+typedef void loop_filter_uvfunction(unsigned char *u, /* source pointer */
+                                    int p,            /* pitch */
+                                    const unsigned char *blimit,
+                                    const unsigned char *limit,
+                                    const unsigned char *thresh,
+                                    unsigned char *v);
+
+/* assorted loopfilter functions which get used elsewhere */
+struct VP8Common;
+struct macroblockd;
+struct modeinfo;
+
+void vp8_loop_filter_init(struct VP8Common *cm);
+
+void vp8_loop_filter_frame_init(struct VP8Common *cm, struct macroblockd *mbd,
+                                int default_filt_lvl);
+
+void vp8_loop_filter_frame(struct VP8Common *cm, struct macroblockd *mbd,
+                           int frame_type);
+
+void vp8_loop_filter_partial_frame(struct VP8Common *cm,
+                                   struct macroblockd *mbd,
+                                   int default_filt_lvl);
+
+void vp8_loop_filter_frame_yonly(struct VP8Common *cm, struct macroblockd *mbd,
+                                 int default_filt_lvl);
+
+void vp8_loop_filter_update_sharpness(loop_filter_info_n *lfi,
+                                      int sharpness_lvl);
+
+void vp8_loop_filter_row_normal(struct VP8Common *cm,
+                                struct modeinfo *mode_info_context, int mb_row,
+                                int post_ystride, int post_uvstride,
+                                unsigned char *y_ptr, unsigned char *u_ptr,
+                                unsigned char *v_ptr);
+
+void vp8_loop_filter_row_simple(struct VP8Common *cm,
+                                struct modeinfo *mode_info_context, int mb_row,
+                                int post_ystride, unsigned char *y_ptr);
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP8_COMMON_LOOPFILTER_H_