libmedia/ffmpeg/VideoDecoderFfmpegVaapi.h

   1 // vaapi.h: VA API acceleration.
   2 //
   3 //     Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.    See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA    02110-1301    USA
  18
  19 #ifndef GNASH_MEDIA_VIDEODECODERFFMPEGVAAPI_H
  20 #define GNASH_MEDIA_VIDEODECODERFFMPEGVAAPI_H
  21
  22 #include "VaapiContext.h"
  23 #include "VaapiSurface.h"
  24 #include "VaapiSurfaceProxy.h"
  25
  26 extern "C" {
  27 #include <libavcodec/avcodec.h>
  28 #include <libavcodec/vaapi.h>
  29 }
  30
  31 namespace gnash {
  32 namespace media {
  33 namespace ffmpeg {
  34
  35 /// VA surface implementation for FFmpeg
  36 class VaapiSurfaceFfmpeg : public VaapiSurfaceProxy {
  37     unsigned int _pic_num;
  38
  39 public:
  40     VaapiSurfaceFfmpeg(boost::shared_ptr<VaapiSurface> surface,
  41                        boost::shared_ptr<VaapiContext> context)
  42         : VaapiSurfaceProxy(surface, context), _pic_num(0)
  43         { }
  44
  45     unsigned int getPicNum() const
  46         { return _pic_num; }
  47
  48     void setPicNum(unsigned int pic_num)
  49         { _pic_num = pic_num; }
  50 };
  51
  52 void vaapi_set_surface(AVFrame *pic, VaapiSurfaceFfmpeg *surface);
  53
  54 static inline VaapiSurfaceFfmpeg *vaapi_get_surface(const AVFrame *pic)
  55 {
  56     return reinterpret_cast<VaapiSurfaceFfmpeg *>(pic->data[0]);
  57 }
  58
  59 /// VA context implementation for FFmpeg
  60 class VaapiContextFfmpeg : public vaapi_context {
  61     boost::shared_ptr<VaapiContext> _context;
  62
  63 public:
  64     VaapiContextFfmpeg(enum CodecID codec_id);
  65
  66     bool initDecoder(unsigned int width, unsigned int height);
  67
  68     VaapiSurfaceFfmpeg *getSurface()
  69         { return new VaapiSurfaceFfmpeg(_context->acquireSurface(), _context); }
  70
  71     static VaapiContextFfmpeg *create(enum CodecID codec_id);
  72 };
  73
  74 } // gnash.media.ffmpeg namespace
  75 } // gnash.media namespace
  76 } // gnash namespace
  77
  78 #endif /* GNASH_MEDIA_VIDEODECODERFFMPEGVAAPI_H */