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authorCarl Eugen Hoyos2009-01-05 23:23:32 +0000
committerCarl Eugen Hoyos2009-01-05 23:23:32 +0000
commit8423186e6562b48ba925604b6a25ff6a0fe44feb (patch)
tree16eff1e7f65fd5383a037c03bcb4e46ba63eb98a /libavcodec/vdpau.h
parentdf7fb435694e88336c7c9f7ac08c5b7710c3a937 (diff)
Rename vdpau_render.h as vdpau.h.
Originally committed as revision 16444 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vdpau.h')
-rw-r--r--libavcodec/vdpau.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/libavcodec/vdpau.h b/libavcodec/vdpau.h
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+++ b/libavcodec/vdpau.h
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+/*
+ * 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 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 hardware acceleration has two modules
+ * - VDPAU decoding
+ * - VDPAU presentation
+ *
+ * The VDPAU decoding module parses all headers using FFmpeg
+ * 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.
+ *
+ * @{
+ * \defgroup VDPAU_Decoding VDPAU Decoding
+ * \ingroup Decoder
+ * @{
+ */
+
+#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 FFmpeg
+ * 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 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 bitstreamBuffersAllocated;
+ int bitstreamBuffersUsed;
+ VdpBitstreamBuffer *bitstreamBuffers;
+};
+
+/* @}*/
+
+#endif /* AVCODEC_VDPAU_RENDER_H */