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Diffstat (limited to 'libavcodec/vdpau.h')
-rw-r--r-- | libavcodec/vdpau.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/libavcodec/vdpau.h b/libavcodec/vdpau.h new file mode 100644 index 0000000000..2daeb13482 --- /dev/null +++ b/libavcodec/vdpau.h @@ -0,0 +1,84 @@ +/* + * 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 */ |