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Originally committed as revision 16435 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun 2009-01-05 11:49:15 +00:00
parent 26ef65daf3
commit 5fd9c8b94a
1 changed files with 21 additions and 23 deletions
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44
libavcodec/vdpau_render.h
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@ -1,8 +1,8 @@
/*
* Video Decode and Presentation API for UNIX (VDPAU) is used for
* HW decode acceleration for MPEG-1/2, H.264 and VC-1.
* 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.
* Copyright (C) 2008 NVIDIA
*
* This file is part of FFmpeg.
*
@ -27,15 +27,15 @@
/**
* \defgroup Decoder VDPAU Decoder and Renderer
*
* VDPAU HW acceleration has two modules
* - VDPAU Decoding
* - VDPAU Presentation
* VDPAU hardware 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.
* 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 VDPAU
* and rendering (API calls) are done as part of the VDPAU
* presentation (vo_vdpau.c) module.
*
* @{
@ -47,35 +47,33 @@
#include "vdpau/vdpau.h"
#include "vdpau/vdpau_x11.h"
/**
* \brief The videoSurface is used for render.
*/
/** \brief The videoSurface is used for rendering. */
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
/**
* \brief The videoSurface is needed for reference/prediction,
* codec manipulates this.
* \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 CALL-BACK between the ffmpeg
* \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 informations etc which are passed
* between ffmpeg decoder and its clients.
* 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.
struct vdpau_render_state {
VdpVideoSurface surface; ///< Used as rendered surface, never changed.
int state; ///< Holds FF_VDPAU_STATE_* values
int state; ///< Holds FF_VDPAU_STATE_* values.
/** Picture Parameter information for all supported codecs */
/** picture parameter information for all supported codecs */
union _VdpPictureInfo {
VdpPictureInfoH264 h264;
} info;
/** Describe size/location of the compressed video data */
/** Describe size/location of the compressed video data. */
int bitstreamBuffersAlloced;
int bitstreamBuffersUsed;
VdpBitstreamBuffer *bitstreamBuffers;