1 files changed, 72 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/gstreamer/ImageGStreamerCairo.cpp b/WebCore/platform/graphics/gstreamer/ImageGStreamerCairo.cpp
new file mode 100644
index 0000000..6f975a4
--- /dev/null
+++ b/WebCore/platform/graphics/gstreamer/ImageGStreamerCairo.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2010 Igalia S.L
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include "GOwnPtr.h"
+#include "ImageGStreamer.h"
+
+using namespace std;
+
+using namespace WebCore;
+
+PassRefPtr<ImageGStreamer> ImageGStreamer::createImage(GstBuffer* buffer)
+{
+    int width = 0, height = 0;
+    GstCaps* caps = gst_buffer_get_caps(buffer);
+    GstVideoFormat format;
+    if (!gst_video_format_parse_caps(caps, &format, &width, &height)) {
+        gst_caps_unref(caps);
+        return 0;
+    }
+
+    gst_caps_unref(caps);
+
+    cairo_format_t cairoFormat;
+    if (format == GST_VIDEO_FORMAT_ARGB || format == GST_VIDEO_FORMAT_BGRA)
+        cairoFormat = CAIRO_FORMAT_ARGB32;
+    else
+        cairoFormat = CAIRO_FORMAT_RGB24;
+
+    return adoptRef(new ImageGStreamer(buffer, IntSize(width, height), cairoFormat));
+}
+
+ImageGStreamer::ImageGStreamer(GstBuffer*& buffer, IntSize size, cairo_format_t& cairoFormat)
+    : m_image(0)
+    , m_surface(0)
+{
+    m_surface = cairo_image_surface_create_for_data(GST_BUFFER_DATA(buffer), cairoFormat,
+                                                    size.width(), size.height(),
+                                                    cairo_format_stride_for_width(cairoFormat, size.width()));
+    ASSERT(cairo_surface_status(m_surface) == CAIRO_STATUS_SUCCESS);
+    m_image = BitmapImage::create(m_surface);
+}
+
+ImageGStreamer::~ImageGStreamer()
+{
+    if (m_image)
+        m_image.clear();
+
+    m_image = 0;
+
+    if (m_surface && cairo_surface_get_reference_count(m_surface))
+        cairo_surface_destroy(m_surface);
+
+    m_surface = 0;
+}