misc/winutils/include/libavcodec/vdpau.h
changeset 7813 7ac83d79b897
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/winutils/include/libavcodec/vdpau.h	Wed Oct 24 14:55:31 2012 +0100
@@ -0,0 +1,94 @@
+/*
+ * The Video Decode and Presentation API for UNIX (VDPAU) is used for
+ * hardware-accelerated decoding of MPEG-1/2, H.264 and VC-1.
+ *
+ * Copyright (C) 2008 NVIDIA
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_VDPAU_H
+#define AVCODEC_VDPAU_H
+
+/**
+ * @file
+ * @ingroup lavc_codec_hwaccel_vdpau
+ * Public libavcodec VDPAU header.
+ */
+
+
+/**
+ * @defgroup lavc_codec_hwaccel_vdpau VDPAU Decoder and Renderer
+ * @ingroup lavc_codec_hwaccel
+ *
+ * VDPAU hardware acceleration has two modules
+ * - VDPAU decoding
+ * - VDPAU presentation
+ *
+ * The VDPAU decoding module parses all headers using Libav
+ * parsing mechanisms and uses VDPAU for the actual decoding.
+ *
+ * As per the current implementation, the actual decoding
+ * and rendering (API calls) are done as part of the VDPAU
+ * presentation (vo_vdpau.c) module.
+ *
+ * @{
+ */
+
+#include <vdpau/vdpau.h>
+#include <vdpau/vdpau_x11.h>
+
+/** @brief The videoSurface is used for rendering. */
+#define FF_VDPAU_STATE_USED_FOR_RENDER 1
+
+/**
+ * @brief The videoSurface is needed for reference/prediction.
+ * The codec manipulates this.
+ */
+#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
+
+/**
+ * @brief This structure is used as a callback between the Libav
+ * decoder (vd_) and presentation (vo_) module.
+ * This is used for defining a video frame containing surface,
+ * picture parameter, bitstream information etc which are passed
+ * between the Libav 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;
+        VdpPictureInfoMPEG1Or2    mpeg;
+        VdpPictureInfoVC1          vc1;
+        VdpPictureInfoMPEG4Part2 mpeg4;
+    } info;
+
+    /** Describe size/location of the compressed video data.
+        Set to 0 when freeing bitstream_buffers. */
+    int bitstream_buffers_allocated;
+    int bitstream_buffers_used;
+    /** The user is responsible for freeing this buffer using av_freep(). */
+    VdpBitstreamBuffer *bitstream_buffers;
+};
+
+/* @}*/
+
+#endif /* AVCODEC_VDPAU_H */