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comparison 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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-1:000000000000 0:3425707ddbf6
1 /*****************************************************************
2 |
3 | Platinum - Frame Buffer
4 |
5 | Copyright (c) 2004-2008, Plutinosoft, LLC.
6 | All rights reserved.
7 | http://www.plutinosoft.com
8 |
9 | This program is free software; you can redistribute it and/or
10 | modify it under the terms of the GNU General Public License
11 | as published by the Free Software Foundation; either version 2
12 | of the License, or (at your option) any later version.
13 |
14 | OEMs, ISVs, VARs and other distributors that combine and
15 | distribute commercially licensed software with Platinum software
16 | and do not wish to distribute the source code for the commercially
17 | licensed software under version 2, or (at your option) any later
18 | version, of the GNU General Public License (the "GPL") must enter
19 | into a commercial license agreement with Plutinosoft, LLC.
20 |
21 | This program is distributed in the hope that it will be useful,
22 | but WITHOUT ANY WARRANTY; without even the implied warranty of
23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 | GNU General Public License for more details.
25 |
26 | You should have received a copy of the GNU General Public License
27 | along with this program; see the file LICENSE.txt. If not, write to
28 | the Free Software Foundation, Inc.,
29 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 | http://www.gnu.org/licenses/gpl-2.0.html
31 |
32 ****************************************************************/
33
34
35 /*----------------------------------------------------------------------
36 | includes
37 +---------------------------------------------------------------------*/
38 #include "PltFrameBuffer.h"
39
40 NPT_SET_LOCAL_LOGGER("platinum.core.framebuffer")
41
42 /*----------------------------------------------------------------------
43 | PLT_FrameBuffer::PLT_FrameBuffer
44 +---------------------------------------------------------------------*/
45 PLT_FrameBuffer::PLT_FrameBuffer()
46 {
47 }
48
49 /*----------------------------------------------------------------------
50 | PLT_FrameBuffer::~PLT_FrameBuffer
51 +---------------------------------------------------------------------*/
52 PLT_FrameBuffer::~PLT_FrameBuffer()
53 {
54 }
55
56 /*----------------------------------------------------------------------
57 | PLT_FrameBuffer::SetNextFrame
58 +---------------------------------------------------------------------*/
59 NPT_Result
60 PLT_FrameBuffer::SetNextFrame(const NPT_Byte* data, NPT_Size size)
61 {
62 NPT_AutoLock lock(m_FrameLock);
63
64 m_Frame.SetData(data, size);
65 m_FrameIndex.SetValue(m_FrameIndex.GetValue()+1);
66
67 NPT_LOG_INFO_1("Set frame %d", m_FrameIndex.GetValue());
68 return NPT_SUCCESS;
69 }
70
71 /*----------------------------------------------------------------------
72 | PLT_FrameBuffer::GetNextFrame
73 +---------------------------------------------------------------------*/
74 NPT_Result
75 PLT_FrameBuffer::GetNextFrame(NPT_UInt32& last_fame_index,
76 NPT_DataBuffer& buffer,
77 NPT_Timeout timeout)
78 {
79 NPT_CHECK_WARNING(m_FrameIndex.WaitWhileEquals(last_fame_index, timeout));
80
81 {
82 NPT_AutoLock lock(m_FrameLock);
83 buffer.SetData(m_Frame.GetData(), m_Frame.GetDataSize());
84
85 // update current frame index
86 last_fame_index = m_FrameIndex.GetValue();
87 NPT_LOG_INFO_1("Retrieved frame %d", last_fame_index);
88 }
89
90 return NPT_SUCCESS;
91 }