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/loopfilter.h b/av1/common/loopfilter.h
new file mode 100644
index 0000000..b85ed04
--- /dev/null
+++ b/av1/common/loopfilter.h
@@ -0,0 +1,152 @@
+/*
+ * 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 VP10_COMMON_LOOPFILTER_H_
+#define VP10_COMMON_LOOPFILTER_H_
+
+#include "aom_ports/mem.h"
+#include "./vpx_config.h"
+
+#include "av1/common/blockd.h"
+#include "av1/common/restoration.h"
+#include "av1/common/seg_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAX_LOOP_FILTER 63
+#define MAX_SHARPNESS 7
+
+#define SIMD_WIDTH 16
+
+#define MAX_MODE_LF_DELTAS 2
+
+enum lf_path {
+ LF_PATH_420,
+ LF_PATH_444,
+ LF_PATH_SLOW,
+};
+
+struct loopfilter {
+ int filter_level;
+
+ int sharpness_level;
+ int last_sharpness_level;
+
+ uint8_t mode_ref_delta_enabled;
+ uint8_t mode_ref_delta_update;
+
+ // 0 = Intra, Last, Last2+Last3(CONFIG_EXT_REFS),
+ // GF, BRF(CONFIG_EXT_REFS), ARF
+ signed char ref_deltas[TOTAL_REFS_PER_FRAME];
+ signed char last_ref_deltas[TOTAL_REFS_PER_FRAME];
+
+ // 0 = ZERO_MV, MV
+ signed char mode_deltas[MAX_MODE_LF_DELTAS];
+ signed char last_mode_deltas[MAX_MODE_LF_DELTAS];
+};
+
+// 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, uint8_t, mblim[SIMD_WIDTH]);
+ DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, lim[SIMD_WIDTH]);
+ DECLARE_ALIGNED(SIMD_WIDTH, uint8_t, hev_thr[SIMD_WIDTH]);
+} loop_filter_thresh;
+
+typedef struct {
+ loop_filter_thresh lfthr[MAX_LOOP_FILTER + 1];
+ uint8_t lvl[MAX_SEGMENTS][TOTAL_REFS_PER_FRAME][MAX_MODE_LF_DELTAS];
+} loop_filter_info_n;
+
+// This structure holds bit masks for all 8x8 blocks in a 64x64 region.
+// Each 1 bit represents a position in which we want to apply the loop filter.
+// Left_ entries refer to whether we apply a filter on the border to the
+// left of the block. Above_ entries refer to whether or not to apply a
+// filter on the above border. Int_ entries refer to whether or not to
+// apply borders on the 4x4 edges within the 8x8 block that each bit
+// represents.
+// Since each transform is accompanied by a potentially different type of
+// loop filter there is a different entry in the array for each transform size.
+typedef struct {
+ uint64_t left_y[TX_SIZES];
+ uint64_t above_y[TX_SIZES];
+ uint64_t int_4x4_y;
+ uint16_t left_uv[TX_SIZES];
+ uint16_t above_uv[TX_SIZES];
+ uint16_t left_int_4x4_uv;
+ uint16_t above_int_4x4_uv;
+ uint8_t lfl_y[MAX_MIB_SIZE][MAX_MIB_SIZE];
+ uint8_t lfl_uv[MAX_MIB_SIZE / 2][MAX_MIB_SIZE / 2];
+} LOOP_FILTER_MASK;
+
+/* assorted loopfilter functions which get used elsewhere */
+struct VP10Common;
+struct macroblockd;
+struct VP10LfSyncData;
+
+// This function sets up the bit masks for the entire 64x64 region represented
+// by mi_row, mi_col.
+void vp10_setup_mask(struct VP10Common *const cm, const int mi_row,
+ const int mi_col, MODE_INFO **mi_8x8,
+ const int mode_info_stride, LOOP_FILTER_MASK *lfm);
+
+void vp10_filter_block_plane_ss00(struct VP10Common *const cm,
+ struct macroblockd_plane *const plane,
+ int mi_row, LOOP_FILTER_MASK *lfm);
+
+void vp10_filter_block_plane_ss11(struct VP10Common *const cm,
+ struct macroblockd_plane *const plane,
+ int mi_row, LOOP_FILTER_MASK *lfm);
+
+void vp10_filter_block_plane_non420(struct VP10Common *cm,
+ struct macroblockd_plane *plane,
+ MODE_INFO **mi_8x8, int mi_row, int mi_col);
+
+void vp10_loop_filter_init(struct VP10Common *cm);
+
+// Update the loop filter for the current frame.
+// This should be called before vp10_loop_filter_rows(),
+// vp10_loop_filter_frame()
+// calls this function directly.
+void vp10_loop_filter_frame_init(struct VP10Common *cm, int default_filt_lvl);
+
+void vp10_loop_filter_frame(YV12_BUFFER_CONFIG *frame, struct VP10Common *cm,
+ struct macroblockd *mbd, int filter_level,
+ int y_only, int partial_frame);
+
+// Apply the loop filter to [start, stop) macro block rows in frame_buffer.
+void vp10_loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer,
+ struct VP10Common *cm,
+ struct macroblockd_plane planes[MAX_MB_PLANE],
+ int start, int stop, int y_only);
+
+typedef struct LoopFilterWorkerData {
+ YV12_BUFFER_CONFIG *frame_buffer;
+ struct VP10Common *cm;
+ struct macroblockd_plane planes[MAX_MB_PLANE];
+
+ int start;
+ int stop;
+ int y_only;
+} LFWorkerData;
+
+void vp10_loop_filter_data_reset(
+ LFWorkerData *lf_data, YV12_BUFFER_CONFIG *frame_buffer,
+ struct VP10Common *cm, const struct macroblockd_plane planes[MAX_MB_PLANE]);
+
+// Operates on the rows described by 'lf_data'.
+int vp10_loop_filter_worker(LFWorkerData *const lf_data, void *unused);
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP10_COMMON_LOOPFILTER_H_
