1 /*
2 Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18 */
19
20 #include "config.h"
21 #include "ImageGStreamer.h"
22
23 #if USE(GSTREAMER)
24 #include "GOwnPtr.h"
25
26 using namespace std;
27 using namespace WebCore;
28
createImage(GstBuffer * buffer)29 PassRefPtr<ImageGStreamer> ImageGStreamer::createImage(GstBuffer* buffer)
30 {
31 int width = 0, height = 0;
32 GstCaps* caps = gst_buffer_get_caps(buffer);
33 GstVideoFormat format;
34 if (!gst_video_format_parse_caps(caps, &format, &width, &height)) {
35 gst_caps_unref(caps);
36 return 0;
37 }
38
39 gst_caps_unref(caps);
40
41 QImage::Format imageFormat;
42 if (format == GST_VIDEO_FORMAT_RGB)
43 imageFormat = QImage::Format_RGB888;
44 else
45 imageFormat = QImage::Format_RGB32;
46
47 return adoptRef(new ImageGStreamer(buffer, IntSize(width, height), imageFormat));
48 }
49
ImageGStreamer(GstBuffer * & buffer,IntSize size,QImage::Format imageFormat)50 ImageGStreamer::ImageGStreamer(GstBuffer*& buffer, IntSize size, QImage::Format imageFormat)
51 : m_image(0)
52 {
53 QPixmap* surface = new QPixmap;
54 QImage image(GST_BUFFER_DATA(buffer), size.width(), size.height(), imageFormat);
55 surface->convertFromImage(image);
56 m_image = BitmapImage::create(surface);
57 }
58
~ImageGStreamer()59 ImageGStreamer::~ImageGStreamer()
60 {
61 if (m_image)
62 m_image.clear();
63
64 m_image = 0;
65 }
66 #endif // USE(GSTREAMER)
67
68