*
* Copyright (C) 2008 NVIDIA
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AVCODEC_VDPAU_H
/**
- * \defgroup Decoder VDPAU Decoder and Renderer
+ * @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 FFmpeg
+ * 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
* 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. */
+union VdpPictureInfo {
+ VdpPictureInfoH264 h264;
+ VdpPictureInfoMPEG1Or2 mpeg;
+ VdpPictureInfoVC1 vc1;
+ VdpPictureInfoMPEG4Part2 mpeg4;
+};
+
+/**
+ * This structure is used to share data between the libavcodec library and
+ * the client video application.
+ * The user shall zero-allocate the structure and make it available as
+ * AVCodecContext.hwaccel_context. Members can be set by the user once
+ * during initialization or through each AVCodecContext.get_buffer()
+ * function call. In any case, they must be valid prior to calling
+ * decoding functions.
+ */
+typedef struct AVVDPAUContext {
+ /**
+ * VDPAU decoder handle
+ *
+ * Set by user.
+ */
+ VdpDecoder decoder;
+
+ /**
+ * VDPAU decoder render callback
+ *
+ * Set by the user.
+ */
+ VdpDecoderRender *render;
+
+ /**
+ * VDPAU picture information
+ *
+ * Set by libavcodec.
+ */
+ union VdpPictureInfo info;
+
+ /**
+ * Allocated size of the bitstream_buffers table.
+ *
+ * Set by libavcodec.
+ */
+ int bitstream_buffers_allocated;
+
+ /**
+ * Useful bitstream buffers in the bitstream buffers table.
+ *
+ * Set by libavcodec.
+ */
+ int bitstream_buffers_used;
+
+ /**
+ * Table of bitstream buffers.
+ * The user is responsible for freeing this buffer using av_freep().
+ *
+ * Set by libavcodec.
+ */
+ VdpBitstreamBuffer *bitstream_buffers;
+} AVVDPAUContext;
+
+
+/** @brief The videoSurface is used for rendering. */
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
/**
- * \brief The videoSurface is needed for reference/prediction.
+ * @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
+ * @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 FFmpeg decoder and its clients.
+ * 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;
- } info;
+ union VdpPictureInfo info;
- /** Describe size/location of the compressed video data. */
+ /** 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;
};