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src/gallium/frontends/mediafoundation/reference_frames_tracker.h

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+/*
+ * Copyright © Microsoft Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#pragma once
+#include <vector>
+#include "pipe_headers.h"
+
+typedef enum frame_descriptor_reference_type
+{
+   frame_descriptor_reference_type_none = 0,
+   frame_descriptor_reference_type_short_term = 1,
+   frame_descriptor_reference_type_long_term = 2,
+} frame_descriptor_reference_type;
+
+typedef struct reference_frames_tracker_frame_descriptor
+{
+} reference_frames_tracker_frame_descriptor;
+
+class reference_frames_tracker_dpb_async_token
+{
+ public:
+   std::vector<pipe_video_buffer *> dpb_buffers_to_release;
+   std::vector<pipe_video_buffer *> dpb_downscaled_buffers_to_release;
+};
+
+class reference_frames_tracker
+{
+ public:
+   // pass control variables for current frame to reference tracker and compute reference frame states
+   virtual HRESULT begin_frame( reference_frames_tracker_dpb_async_token *pAsyncDPBToken,
+                                bool forceKey,
+                                bool markLTR,
+                                uint32_t markLTRIndex,
+                                bool useLTR,
+                                uint32_t useLTRBitmap,
+                                bool layerCountSet,
+                                uint32_t layerCount,
+                                bool dirtyRectFrameNumSet,
+                                uint32_t dirtyRectFrameNum ) = 0;
+
+   // moves the GOP state to the next frame for next frame
+   virtual void advance_frame() = 0;
+
+   // release reference frame buffers
+   virtual void release_reconpic( reference_frames_tracker_dpb_async_token *pAsyncDPBToken ) = 0;
+
+   // returns frame descriptor
+   virtual const reference_frames_tracker_frame_descriptor *get_frame_descriptor() = 0;
+   virtual ~reference_frames_tracker()
+   { }
+};
+
+typedef struct intra_refresh_slices_config
+{
+   enum pipe_video_slice_mode slice_mode;
+   // Use with PIPE_VIDEO_SLICE_MODE_BLOCKS
+   unsigned num_slice_descriptors;
+   struct h264_slice_descriptor slices_descriptors[128];
+   // Use with PIPE_VIDEO_SLICE_MODE_MAX_SLICE_SLICE
+   unsigned max_slice_bytes;
+} intra_refresh_slices_config;
+
+class intra_refresh_tracker
+{
+ public:
+   // start intra refresh tracker wave for the current frame
+   virtual bool start_ir_wave() = 0;
+   virtual ~intra_refresh_tracker()
+   { }
+};