Merge pull request #850 from trav90/add-av1-support

Add initial support for AV1 video.

1 files changed, 119 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/thread_common.h b/third_party/aom/av1/common/thread_common.h
new file mode 100644
index 000000000..23d61d72a
--- /dev/null
+++ b/third_party/aom/av1/common/thread_common.h
@@ -0,0 +1,119 @@
+/*
+ * 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_COMMON_THREAD_COMMON_H_
+#define AOM_AV1_COMMON_THREAD_COMMON_H_
+
+#include "config/aom_config.h"
+
+#include "av1/common/av1_loopfilter.h"
+#include "aom_util/aom_thread.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AV1Common;
+
+typedef struct AV1LfMTInfo {
+  int mi_row;
+  int plane;
+  int dir;
+} AV1LfMTInfo;
+
+// Loopfilter row synchronization
+typedef struct AV1LfSyncData {
+#if CONFIG_MULTITHREAD
+  pthread_mutex_t *mutex_[MAX_MB_PLANE];
+  pthread_cond_t *cond_[MAX_MB_PLANE];
+#endif
+  // Allocate memory to store the loop-filtered superblock index in each row.
+  int *cur_sb_col[MAX_MB_PLANE];
+  // The optimal sync_range for different resolution and platform should be
+  // determined by testing. Currently, it is chosen to be a power-of-2 number.
+  int sync_range;
+  int rows;
+
+  // Row-based parallel loopfilter data
+  LFWorkerData *lfdata;
+  int num_workers;
+
+#if CONFIG_MULTITHREAD
+  pthread_mutex_t *job_mutex;
+#endif
+  AV1LfMTInfo *job_queue;
+  int jobs_enqueued;
+  int jobs_dequeued;
+} AV1LfSync;
+
+typedef struct AV1LrMTInfo {
+  int v_start;
+  int v_end;
+  int lr_unit_row;
+  int plane;
+  int sync_mode;
+  int v_copy_start;
+  int v_copy_end;
+} AV1LrMTInfo;
+
+typedef struct LoopRestorationWorkerData {
+  int32_t *rst_tmpbuf;
+  void *rlbs;
+  void *lr_ctxt;
+} LRWorkerData;
+
+// Looprestoration row synchronization
+typedef struct AV1LrSyncData {
+#if CONFIG_MULTITHREAD
+  pthread_mutex_t *mutex_[MAX_MB_PLANE];
+  pthread_cond_t *cond_[MAX_MB_PLANE];
+#endif
+  // Allocate memory to store the loop-restoration block index in each row.
+  int *cur_sb_col[MAX_MB_PLANE];
+  // The optimal sync_range for different resolution and platform should be
+  // determined by testing. Currently, it is chosen to be a power-of-2 number.
+  int sync_range;
+  int rows;
+  int num_planes;
+
+  int num_workers;
+
+#if CONFIG_MULTITHREAD
+  pthread_mutex_t *job_mutex;
+#endif
+  // Row-based parallel loopfilter data
+  LRWorkerData *lrworkerdata;
+
+  AV1LrMTInfo *job_queue;
+  int jobs_enqueued;
+  int jobs_dequeued;
+} AV1LrSync;
+
+// Deallocate loopfilter synchronization related mutex and data.
+void av1_loop_filter_dealloc(AV1LfSync *lf_sync);
+
+void av1_loop_filter_frame_mt(YV12_BUFFER_CONFIG *frame, struct AV1Common *cm,
+                              struct macroblockd *mbd, int plane_start,
+                              int plane_end, int partial_frame,
+                              AVxWorker *workers, int num_workers,
+                              AV1LfSync *lf_sync);
+void av1_loop_restoration_filter_frame_mt(YV12_BUFFER_CONFIG *frame,
+                                          struct AV1Common *cm,
+                                          int optimized_lr, AVxWorker *workers,
+                                          int num_workers, AV1LrSync *lr_sync,
+                                          void *lr_ctxt);
+void av1_loop_restoration_dealloc(AV1LrSync *lr_sync, int num_workers);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AOM_AV1_COMMON_THREAD_COMMON_H_