1/*
2 * Copyright (C) 2010, 2011, 2012 Igalia S.L
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#ifndef ImageGStreamer_h
21#define ImageGStreamer_h
22
23#if ENABLE(VIDEO) && USE(GSTREAMER)
24
25#include "BitmapImage.h"
26#include "FloatRect.h"
27#include "GStreamerCommon.h"
28
29#include <gst/gst.h>
30#include <gst/video/video-frame.h>
31
32#include <wtf/Ref.h>
33#include <wtf/RefCounted.h>
34#include <wtf/RefPtr.h>
35
36namespace WebCore {
37class IntSize;
38
39class ImageGStreamer : public RefCounted<ImageGStreamer> {
40 public:
41 static RefPtr<ImageGStreamer> createImage(GstSample* sample)
42 {
43 auto image = adoptRef(new ImageGStreamer(sample));
44 if (!image->m_image)
45 return nullptr;
46
47 return image;
48 }
49 ~ImageGStreamer();
50
51 BitmapImage& image()
52 {
53 ASSERT(m_image);
54 return *m_image.get();
55 }
56
57 void setCropRect(FloatRect rect) { m_cropRect = rect; }
58 FloatRect rect()
59 {
60 ASSERT(m_image);
61 if (!m_cropRect.isEmpty())
62 return FloatRect(m_cropRect);
63 return FloatRect(0, 0, m_image->size().width(), m_image->size().height());
64 }
65
66 private:
67 ImageGStreamer(GstSample*);
68 RefPtr<BitmapImage> m_image;
69 FloatRect m_cropRect;
70#if USE(CAIRO)
71 GstVideoFrame m_videoFrame;
72 bool m_frameMapped { false };
73#endif
74 };
75}
76
77#endif // USE(GSTREAMER)
78#endif
79