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diff --git a/libavcodec/vdpau_render.h b/libavcodec/vdpau_render.h
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+/*
+ * Video Decode and Presentation API for UNIX (VDPAU) is used for
+ * HW decode acceleration for MPEG-1/2, H.264 and VC-1.
+ *
+ * Copyright (C) 2008 NVIDIA.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_VDPAU_RENDER_H
+#define AVCODEC_VDPAU_RENDER_H
+
+/**
+ * \defgroup Decoder VDPAU Decoder and Renderer
+ *
+ * VDPAU HW acceleration has two modules
+ * - VDPAU Decoding
+ * - VDPAU Presentation
+ *
+ * VDPAU decoding module parses all headers using FFmpeg
+ * parsing mechanism and uses VDPAU for the actual decoding.
+ *
+ * As per the current implementation, the actual decoding
+ * and rendering (API calls) are done as part of VDPAU
+ * presentation (vo_vdpau.c) module.
+ *
+ * @{
+ * \defgroup  VDPAU_Decoding VDPAU Decoding
+ * \ingroup Decoder
+ * @{
+ */
+
+#include "vdpau/vdpau.h"
+#include "vdpau/vdpau_x11.h"
+
+/**
+ * \brief The videoSurface is used for render.
+ */
+#define FF_VDPAU_STATE_USED_FOR_RENDER 1
+
+/**
+ * \brief The videoSurface is needed for reference/prediction,
+ * codec manipulates this.
+ */
+#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
+
+/**
+ * \brief This structure is used as a CALL-BACK between the ffmpeg
+ * decoder (vd_) and presentation (vo_) module.
+ * This is used for defining a video-frame containing surface,
+ * picture-parameter, bitstream informations etc which are passed
+ * between ffmpeg decoder and its clients.
+ */
+struct vdpau_render_state
+    VdpVideoSurface surface; ///< used as rendered surface, never changed.
+
+    int state; ///< Holds FF_VDPAU_STATE_* values
+
+    /** Picture Parameter information for all supported codecs */
+    union _VdpPictureInfo {
+        VdpPictureInfoH264     h264;
+    } info;
+
+    /** Describe size/location of the compressed video data */
+    int bitstreamBuffersAlloced;
+    int bitstreamBuffersUsed;
+    VdpBitstreamBuffer *bitstreamBuffers;
+};
+
+/* @}*/
+
+#endif /* AVCODEC_VDPAU_RENDER_H */