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annotate deps/Platinum/Source/Devices/FrameStreamer/PltFrameBuffer.cpp @ 0:3425707ddbf6

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Initial import (hopefully this mercurial stuff works...)
author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
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2 |
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3 | Platinum - Frame Buffer
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4 |
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5 | Copyright (c) 2004-2008, Plutinosoft, LLC.
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6 | All rights reserved.
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7 | http://www.plutinosoft.com
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8 |
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9 | This program is free software; you can redistribute it and/or
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10 | modify it under the terms of the GNU General Public License
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11 | as published by the Free Software Foundation; either version 2
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12 | of the License, or (at your option) any later version.
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13 |
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14 | OEMs, ISVs, VARs and other distributors that combine and
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15 | distribute commercially licensed software with Platinum software
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16 | and do not wish to distribute the source code for the commercially
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17 | licensed software under version 2, or (at your option) any later
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18 | version, of the GNU General Public License (the "GPL") must enter
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19 | into a commercial license agreement with Plutinosoft, LLC.
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20 |
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21 | This program is distributed in the hope that it will be useful,
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22 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 | GNU General Public License for more details.
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25 |
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26 | You should have received a copy of the GNU General Public License
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27 | along with this program; see the file LICENSE.txt. If not, write to
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28 | the Free Software Foundation, Inc.,
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29 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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30 | http://www.gnu.org/licenses/gpl-2.0.html
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31 |
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32 ****************************************************************/
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33
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34
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35 /*----------------------------------------------------------------------
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36 | includes
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37 +---------------------------------------------------------------------*/
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38 #include "PltFrameBuffer.h"
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39
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40 NPT_SET_LOCAL_LOGGER("platinum.core.framebuffer")
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41
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42 /*----------------------------------------------------------------------
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43 | PLT_FrameBuffer::PLT_FrameBuffer
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44 +---------------------------------------------------------------------*/
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45 PLT_FrameBuffer::PLT_FrameBuffer()
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46 {
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47 }
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48
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49 /*----------------------------------------------------------------------
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50 | PLT_FrameBuffer::~PLT_FrameBuffer
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51 +---------------------------------------------------------------------*/
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52 PLT_FrameBuffer::~PLT_FrameBuffer()
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53 {
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54 }
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55
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56 /*----------------------------------------------------------------------
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57 | PLT_FrameBuffer::SetNextFrame
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58 +---------------------------------------------------------------------*/
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59 NPT_Result
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60 PLT_FrameBuffer::SetNextFrame(const NPT_Byte* data, NPT_Size size)
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61 {
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62 NPT_AutoLock lock(m_FrameLock);
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63
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64 m_Frame.SetData(data, size);
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65 m_FrameIndex.SetValue(m_FrameIndex.GetValue()+1);
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66
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67 NPT_LOG_INFO_1("Set frame %d", m_FrameIndex.GetValue());
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68 return NPT_SUCCESS;
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69 }
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70
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71 /*----------------------------------------------------------------------
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72 | PLT_FrameBuffer::GetNextFrame
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73 +---------------------------------------------------------------------*/
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74 NPT_Result
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75 PLT_FrameBuffer::GetNextFrame(NPT_UInt32& last_fame_index,
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76 NPT_DataBuffer& buffer,
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77 NPT_Timeout timeout)
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78 {
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79 NPT_CHECK_WARNING(m_FrameIndex.WaitWhileEquals(last_fame_index, timeout));
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80
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81 {
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82 NPT_AutoLock lock(m_FrameLock);
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83 buffer.SetData(m_Frame.GetData(), m_Frame.GetDataSize());
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84
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85 // update current frame index
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86 last_fame_index = m_FrameIndex.GetValue();
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87 NPT_LOG_INFO_1("Retrieved frame %d", last_fame_index);
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88 }
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89
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90 return NPT_SUCCESS;
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91 }