libvaapi/VaapiDisplay.cpp

   1 // VaapiDisplay.cpp: VA display abstraction
   2 //
   3 // Copyright (C) 2009, 2010 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
  20 #include "log.h"
  21 #include "VaapiDisplay.h"
  22 #include "VaapiException.h"
  23 #include "vaapi_utils.h"
  24
  25 namespace gnash {
  26
  27 VaapiDisplay::VaapiDisplay(VADisplay display)
  28     : _display(display)
  29 {
  30     GNASH_REPORT_FUNCTION;
  31
  32     if (!init()) {
  33         throw VaapiException("Could not create VA-API display");
  34     }
  35 }
  36
  37 VaapiDisplay::~VaapiDisplay()
  38 {
  39     GNASH_REPORT_FUNCTION;
  40     if (_display) {
  41         vaTerminate(_display);
  42     }
  43 }
  44
  45 bool VaapiDisplay::init()
  46 {
  47     GNASH_REPORT_FUNCTION;
  48
  49     VAStatus status;
  50     int major_version, minor_version;
  51
  52     if (!_display) {
  53         return false;
  54     }
  55
  56     status = vaInitialize(_display, &major_version, &minor_version);
  57
  58     if (!vaapi_check_status(status, "vaInitialize()")) {
  59         return false;
  60     }
  61
  62     vaapi_dprintf("VA API version %d.%d\n", major_version, minor_version);
  63
  64     return true;
  65 }
  66
  67 } // end of gnash namespace
  68
  69 // local Variables:
  70 // mode: C++
  71 // indent-tabs-mode: nil
  72 // End: