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-rw-r--r--third_party/aom/av1/common/blockd.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/blockd.c b/third_party/aom/av1/common/blockd.c
new file mode 100644
index 0000000000..2e796b6560
--- /dev/null
+++ b/third_party/aom/av1/common/blockd.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <math.h>
+
+#include "aom_ports/system_state.h"
+
+#include "av1/common/blockd.h"
+#include "av1/common/onyxc_int.h"
+
+PREDICTION_MODE av1_left_block_mode(const MB_MODE_INFO *left_mi) {
+ if (!left_mi) return DC_PRED;
+ assert(!is_inter_block(left_mi) || is_intrabc_block(left_mi));
+ return left_mi->mode;
+}
+
+PREDICTION_MODE av1_above_block_mode(const MB_MODE_INFO *above_mi) {
+ if (!above_mi) return DC_PRED;
+ assert(!is_inter_block(above_mi) || is_intrabc_block(above_mi));
+ return above_mi->mode;
+}
+
+void av1_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
+ int plane, BLOCK_SIZE plane_bsize, TX_SIZE tx_size,
+ int has_eob, int aoff, int loff) {
+ ENTROPY_CONTEXT *const a = pd->above_context + aoff;
+ ENTROPY_CONTEXT *const l = pd->left_context + loff;
+ const int txs_wide = tx_size_wide_unit[tx_size];
+ const int txs_high = tx_size_high_unit[tx_size];
+
+ // above
+ if (has_eob && xd->mb_to_right_edge < 0) {
+ const int blocks_wide = max_block_wide(xd, plane_bsize, plane);
+ const int above_contexts = AOMMIN(txs_wide, blocks_wide - aoff);
+ memset(a, has_eob, sizeof(*a) * above_contexts);
+ memset(a + above_contexts, 0, sizeof(*a) * (txs_wide - above_contexts));
+ } else {
+ memset(a, has_eob, sizeof(*a) * txs_wide);
+ }
+
+ // left
+ if (has_eob && xd->mb_to_bottom_edge < 0) {
+ const int blocks_high = max_block_high(xd, plane_bsize, plane);
+ const int left_contexts = AOMMIN(txs_high, blocks_high - loff);
+ memset(l, has_eob, sizeof(*l) * left_contexts);
+ memset(l + left_contexts, 0, sizeof(*l) * (txs_high - left_contexts));
+ } else {
+ memset(l, has_eob, sizeof(*l) * txs_high);
+ }
+}
+void av1_reset_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BLOCK_SIZE bsize, const int num_planes) {
+ int i;
+ int nplanes;
+ int chroma_ref;
+ chroma_ref =
+ is_chroma_reference(mi_row, mi_col, bsize, xd->plane[1].subsampling_x,
+ xd->plane[1].subsampling_y);
+ nplanes = 1 + (num_planes - 1) * chroma_ref;
+ for (i = 0; i < nplanes; i++) {
+ struct macroblockd_plane *const pd = &xd->plane[i];
+ const BLOCK_SIZE plane_bsize =
+ get_plane_block_size(bsize, pd->subsampling_x, pd->subsampling_y);
+ const int txs_wide = block_size_wide[plane_bsize] >> tx_size_wide_log2[0];
+ const int txs_high = block_size_high[plane_bsize] >> tx_size_high_log2[0];
+ memset(pd->above_context, 0, sizeof(ENTROPY_CONTEXT) * txs_wide);
+ memset(pd->left_context, 0, sizeof(ENTROPY_CONTEXT) * txs_high);
+ }
+}
+
+void av1_reset_loop_filter_delta(MACROBLOCKD *xd, int num_planes) {
+ xd->delta_lf_from_base = 0;
+ const int frame_lf_count =
+ num_planes > 1 ? FRAME_LF_COUNT : FRAME_LF_COUNT - 2;
+ for (int lf_id = 0; lf_id < frame_lf_count; ++lf_id) xd->delta_lf[lf_id] = 0;
+}
+
+void av1_reset_loop_restoration(MACROBLOCKD *xd, const int num_planes) {
+ for (int p = 0; p < num_planes; ++p) {
+ set_default_wiener(xd->wiener_info + p);
+ set_default_sgrproj(xd->sgrproj_info + p);
+ }
+}
+
+void av1_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y,
+ const int num_planes) {
+ int i;
+
+ for (i = 0; i < num_planes; i++) {
+ xd->plane[i].plane_type = get_plane_type(i);
+ xd->plane[i].subsampling_x = i ? ss_x : 0;
+ xd->plane[i].subsampling_y = i ? ss_y : 0;
+ }
+ for (i = num_planes; i < MAX_MB_PLANE; i++) {
+ xd->plane[i].subsampling_x = 1;
+ xd->plane[i].subsampling_y = 1;
+ }
+}
+
+const int16_t dr_intra_derivative[90] = {
+ // More evenly spread out angles and limited to 10-bit
+ // Values that are 0 will never be used
+ // Approx angle
+ 0, 0, 0, //
+ 1023, 0, 0, // 3, ...
+ 547, 0, 0, // 6, ...
+ 372, 0, 0, 0, 0, // 9, ...
+ 273, 0, 0, // 14, ...
+ 215, 0, 0, // 17, ...
+ 178, 0, 0, // 20, ...
+ 151, 0, 0, // 23, ... (113 & 203 are base angles)
+ 132, 0, 0, // 26, ...
+ 116, 0, 0, // 29, ...
+ 102, 0, 0, 0, // 32, ...
+ 90, 0, 0, // 36, ...
+ 80, 0, 0, // 39, ...
+ 71, 0, 0, // 42, ...
+ 64, 0, 0, // 45, ... (45 & 135 are base angles)
+ 57, 0, 0, // 48, ...
+ 51, 0, 0, // 51, ...
+ 45, 0, 0, 0, // 54, ...
+ 40, 0, 0, // 58, ...
+ 35, 0, 0, // 61, ...
+ 31, 0, 0, // 64, ...
+ 27, 0, 0, // 67, ... (67 & 157 are base angles)
+ 23, 0, 0, // 70, ...
+ 19, 0, 0, // 73, ...
+ 15, 0, 0, 0, 0, // 76, ...
+ 11, 0, 0, // 81, ...
+ 7, 0, 0, // 84, ...
+ 3, 0, 0, // 87, ...
+};