Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 142 insertions, 0 deletions

diff --git a/third_party/aom/av1/encoder/context_tree.h b/third_party/aom/av1/encoder/context_tree.h
new file mode 100644
index 0000000000..0be7ccbb54
--- /dev/null
+++ b/third_party/aom/av1/encoder/context_tree.h
@@ -0,0 +1,142 @@
+/*
+ * 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.
+ */
+
+#ifndef AOM_AV1_ENCODER_CONTEXT_TREE_H_
+#define AOM_AV1_ENCODER_CONTEXT_TREE_H_
+
+#include "config/aom_config.h"
+
+#include "av1/common/blockd.h"
+#include "av1/encoder/block.h"
+#include "av1/encoder/speed_features.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AV1_PRIMARY;
+struct AV1_COMP;
+struct AV1Common;
+struct ThreadData;
+
+typedef struct {
+  tran_low_t *coeff_buf[MAX_MB_PLANE];
+  tran_low_t *qcoeff_buf[MAX_MB_PLANE];
+  tran_low_t *dqcoeff_buf[MAX_MB_PLANE];
+} PC_TREE_SHARED_BUFFERS;
+
+// Structure to hold snapshot of coding context during the mode picking process
+typedef struct PICK_MODE_CONTEXT {
+  MB_MODE_INFO mic;
+  MB_MODE_INFO_EXT_FRAME mbmi_ext_best;
+  uint8_t *color_index_map[2];
+  uint8_t *blk_skip;
+
+  tran_low_t *coeff[MAX_MB_PLANE];
+  tran_low_t *qcoeff[MAX_MB_PLANE];
+  tran_low_t *dqcoeff[MAX_MB_PLANE];
+  uint16_t *eobs[MAX_MB_PLANE];
+  uint8_t *txb_entropy_ctx[MAX_MB_PLANE];
+  uint8_t *tx_type_map;
+
+  int num_4x4_blk;
+  // For current partition, only if all Y, U, and V transform blocks'
+  // coefficients are quantized to 0, skippable is set to 1.
+  int skippable;
+#if CONFIG_INTERNAL_STATS
+  THR_MODES best_mode_index;
+#endif  // CONFIG_INTERNAL_STATS
+  RD_STATS rd_stats;
+
+  int rd_mode_is_ready;  // Flag to indicate whether rd pick mode decision has
+                         // been made.
+#if CONFIG_AV1_TEMPORAL_DENOISING
+  int64_t newmv_sse;
+  int64_t zeromv_sse;
+  int64_t zeromv_lastref_sse;
+  PREDICTION_MODE best_sse_inter_mode;
+  int_mv best_sse_mv;
+  MV_REFERENCE_FRAME best_reference_frame;
+  MV_REFERENCE_FRAME best_zeromv_reference_frame;
+  int sb_skip_denoising;
+#endif
+} PICK_MODE_CONTEXT;
+
+typedef struct PC_TREE {
+  PARTITION_TYPE partitioning;
+  BLOCK_SIZE block_size;
+  PICK_MODE_CONTEXT *none;
+  PICK_MODE_CONTEXT *horizontal[2];
+  PICK_MODE_CONTEXT *vertical[2];
+#if !CONFIG_REALTIME_ONLY
+  PICK_MODE_CONTEXT *horizontala[3];
+  PICK_MODE_CONTEXT *horizontalb[3];
+  PICK_MODE_CONTEXT *verticala[3];
+  PICK_MODE_CONTEXT *verticalb[3];
+  PICK_MODE_CONTEXT *horizontal4[4];
+  PICK_MODE_CONTEXT *vertical4[4];
+#endif
+  struct PC_TREE *split[4];
+  int index;
+} PC_TREE;
+
+typedef struct SIMPLE_MOTION_DATA_TREE {
+  BLOCK_SIZE block_size;
+  PARTITION_TYPE partitioning;
+  struct SIMPLE_MOTION_DATA_TREE *split[4];
+
+  // Simple motion search_features
+  FULLPEL_MV start_mvs[REF_FRAMES];
+  unsigned int sms_none_feat[2];
+  unsigned int sms_rect_feat[8];
+  int sms_none_valid;
+  int sms_rect_valid;
+} SIMPLE_MOTION_DATA_TREE;
+
+void av1_setup_shared_coeff_buffer(const SequenceHeader *const seq_params,
+                                   PC_TREE_SHARED_BUFFERS *shared_bufs,
+                                   struct aom_internal_error_info *error);
+void av1_free_shared_coeff_buffer(PC_TREE_SHARED_BUFFERS *shared_bufs);
+
+PC_TREE *av1_alloc_pc_tree_node(BLOCK_SIZE bsize);
+void av1_free_pc_tree_recursive(PC_TREE *tree, int num_planes, int keep_best,
+                                int keep_none,
+                                PARTITION_SEARCH_TYPE partition_search_type);
+
+PICK_MODE_CONTEXT *av1_alloc_pmc(const struct AV1_COMP *const cpi,
+                                 BLOCK_SIZE bsize,
+                                 PC_TREE_SHARED_BUFFERS *shared_bufs);
+void av1_reset_pmc(PICK_MODE_CONTEXT *ctx);
+void av1_free_pmc(PICK_MODE_CONTEXT *ctx, int num_planes);
+void av1_copy_tree_context(PICK_MODE_CONTEXT *dst_ctx,
+                           PICK_MODE_CONTEXT *src_ctx);
+
+static const BLOCK_SIZE square[MAX_SB_SIZE_LOG2 - 1] = {
+  BLOCK_4X4, BLOCK_8X8, BLOCK_16X16, BLOCK_32X32, BLOCK_64X64, BLOCK_128X128,
+};
+
+static AOM_INLINE int av1_get_pc_tree_nodes(const int is_sb_size_128,
+                                            int stat_generation_stage) {
+  const int tree_nodes_inc = is_sb_size_128 ? 1024 : 0;
+  const int tree_nodes =
+      stat_generation_stage ? 1 : (tree_nodes_inc + 256 + 64 + 16 + 4 + 1);
+  return tree_nodes;
+}
+
+// Returns 0 on success, -1 on memory allocation failure.
+int av1_setup_sms_tree(struct AV1_COMP *const cpi, struct ThreadData *td);
+void av1_free_sms_tree(struct ThreadData *td);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_AV1_ENCODER_CONTEXT_TREE_H_