Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/server/shadow/shadow_encoder.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FREERDP_SERVER_SHADOW_ENCODER_H
+#define FREERDP_SERVER_SHADOW_ENCODER_H
+
+#include <winpr/crt.h>
+#include <winpr/stream.h>
+
+#include <freerdp/freerdp.h>
+#include <freerdp/codecs.h>
+
+#include <freerdp/server/shadow.h>
+
+struct rdp_shadow_encoder
+{
+	rdpShadowClient* client;
+	rdpShadowServer* server;
+
+	UINT32 width;
+	UINT32 height;
+	UINT32 codecs;
+
+	BYTE** grid;
+	UINT32 gridWidth;
+	UINT32 gridHeight;
+	BYTE* gridBuffer;
+	UINT32 maxTileWidth;
+	UINT32 maxTileHeight;
+
+	wStream* bs;
+
+	RFX_CONTEXT* rfx;
+	NSC_CONTEXT* nsc;
+	BITMAP_PLANAR_CONTEXT* planar;
+	BITMAP_INTERLEAVED_CONTEXT* interleaved;
+	H264_CONTEXT* h264;
+	PROGRESSIVE_CONTEXT* progressive;
+
+	UINT32 fps;
+	UINT32 maxFps;
+	BOOL frameAck;
+	UINT32 frameId;
+	UINT32 lastAckframeId;
+	UINT32 queueDepth;
+};
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	WINPR_ATTR_NODISCARD int shadow_encoder_reset(rdpShadowEncoder* encoder);
+	WINPR_ATTR_NODISCARD int shadow_encoder_prepare(rdpShadowEncoder* encoder, UINT32 codecs);
+	WINPR_ATTR_NODISCARD UINT32 shadow_encoder_create_frame_id(rdpShadowEncoder* encoder);
+
+	void shadow_encoder_free(rdpShadowEncoder* encoder);
+
+	WINPR_ATTR_MALLOC(shadow_encoder_free, 1)
+	WINPR_ATTR_NODISCARD
+	rdpShadowEncoder* shadow_encoder_new(rdpShadowClient* client);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_SERVER_SHADOW_ENCODER_H */