Port folder renaming changes from AOM
Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom
Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
diff --git a/av1/common/filter.h b/av1/common/filter.h
new file mode 100644
index 0000000..39fad23
--- /dev/null
+++ b/av1/common/filter.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2011 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 VP10_COMMON_FILTER_H_
+#define VP10_COMMON_FILTER_H_
+
+#include "./vpx_config.h"
+#include "aom/vpx_integer.h"
+#include "aom_dsp/vpx_filter.h"
+#include "aom_ports/mem.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define EIGHTTAP_REGULAR 0
+#define EIGHTTAP_SMOOTH 1
+#define MULTITAP_SHARP 2
+
+#if CONFIG_EXT_INTERP
+#define EIGHTTAP_SMOOTH2 3
+#define MULTITAP_SHARP2 4
+
+#define MAX_SUBPEL_TAPS 12
+
+#define SUPPORT_NONINTERPOLATING_FILTERS 0 /* turn on for experimentation */
+#define SWITCHABLE_FILTERS 5 /* Number of switchable filters */
+#else
+#define SWITCHABLE_FILTERS 3 /* Number of switchable filters */
+#endif // CONFIG_EXT_INTERP
+
+#define USE_TEMPORALFILTER_12TAP 1
+#if USE_TEMPORALFILTER_12TAP
+#define TEMPORALFILTER_12TAP (SWITCHABLE_FILTERS + 1)
+#endif
+
+// The codec can operate in four possible inter prediction filter mode:
+// 8-tap, 8-tap-smooth, 8-tap-sharp, and switching between the three.
+
+#define BILINEAR (SWITCHABLE_FILTERS)
+#define SWITCHABLE (SWITCHABLE_FILTERS + 1) /* the last one */
+#if CONFIG_DUAL_FILTER
+#define SWITCHABLE_FILTER_CONTEXTS ((SWITCHABLE_FILTERS + 1) * 4)
+#define INTER_FILTER_COMP_OFFSET (SWITCHABLE_FILTERS + 1)
+#define INTER_FILTER_DIR_OFFSET ((SWITCHABLE_FILTERS + 1) * 2)
+#else
+#define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)
+#endif
+
+typedef uint8_t INTERP_FILTER;
+
+#if CONFIG_EXT_INTRA
+typedef enum {
+ INTRA_FILTER_LINEAR,
+ INTRA_FILTER_8TAP,
+ INTRA_FILTER_8TAP_SHARP,
+ INTRA_FILTER_8TAP_SMOOTH,
+ INTRA_FILTERS,
+} INTRA_FILTER;
+
+extern const InterpKernel *vp10_intra_filter_kernels[INTRA_FILTERS];
+#endif // CONFIG_EXT_INTRA
+
+typedef struct InterpFilterParams {
+ const int16_t *filter_ptr;
+ uint16_t taps;
+ uint16_t subpel_shifts;
+} InterpFilterParams;
+
+InterpFilterParams vp10_get_interp_filter_params(
+ const INTERP_FILTER interp_filter);
+
+const int16_t *vp10_get_interp_filter_kernel(const INTERP_FILTER interp_filter);
+
+static INLINE const int16_t *vp10_get_interp_filter_subpel_kernel(
+ const InterpFilterParams filter_params, const int subpel) {
+ return filter_params.filter_ptr + filter_params.taps * subpel;
+}
+
+static INLINE int vp10_is_interpolating_filter(
+ const INTERP_FILTER interp_filter) {
+ const InterpFilterParams ip = vp10_get_interp_filter_params(interp_filter);
+ return (ip.filter_ptr[ip.taps / 2 - 1] == 128);
+}
+
+#if USE_TEMPORALFILTER_12TAP
+extern const int8_t sub_pel_filters_temporalfilter_12_signal_dir[15][2][16];
+extern const int8_t sub_pel_filters_temporalfilter_12_ver_signal_dir[15][6][16];
+#if CONFIG_VP9_HIGHBITDEPTH
+extern const int16_t
+ sub_pel_filters_temporalfilter_12_highbd_ver_signal_dir[15][6][8];
+#endif
+#endif
+
+#if CONFIG_EXT_INTERP
+extern const int8_t sub_pel_filters_12sharp_signal_dir[15][2][16];
+extern const int8_t sub_pel_filters_10sharp_signal_dir[15][2][16];
+extern const int8_t sub_pel_filters_12sharp_ver_signal_dir[15][6][16];
+extern const int8_t sub_pel_filters_10sharp_ver_signal_dir[15][6][16];
+#if CONFIG_VP9_HIGHBITDEPTH
+extern const int16_t sub_pel_filters_12sharp_highbd_ver_signal_dir[15][6][8];
+extern const int16_t sub_pel_filters_10sharp_highbd_ver_signal_dir[15][6][8];
+#endif
+#endif
+
+typedef const int8_t (*SubpelFilterCoeffs)[16];
+#if CONFIG_VP9_HIGHBITDEPTH
+typedef const int16_t (*HbdSubpelFilterCoeffs)[8];
+#endif
+
+SubpelFilterCoeffs vp10_get_subpel_filter_signal_dir(const InterpFilterParams p,
+ int index);
+
+SubpelFilterCoeffs vp10_get_subpel_filter_ver_signal_dir(
+ const InterpFilterParams p, int index);
+#if CONFIG_VP9_HIGHBITDEPTH
+HbdSubpelFilterCoeffs vp10_hbd_get_subpel_filter_ver_signal_dir(
+ const InterpFilterParams p, int index);
+#endif
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP10_COMMON_FILTER_H_
