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/*
* 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 "ImageGStreamer.h"
#if USE(GSTREAMER)
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 NULL;
}
return adoptRef(new ImageGStreamer(buffer, IntSize(width, height)));
}
ImageGStreamer::ImageGStreamer(GstBuffer*& buffer, IntSize size)
: m_image(0)
{
ASSERT(GST_BUFFER_SIZE(buffer));
RetainPtr<CFDataRef> data(AdoptCF, CFDataCreateWithBytesNoCopy(0, static_cast<UInt8*>(GST_BUFFER_DATA(buffer)), GST_BUFFER_SIZE(buffer), kCFAllocatorNull));
RetainPtr<CGDataProviderRef> provider(AdoptCF, CGDataProviderCreateWithCFData(data.get()));
static CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGImageRef frameImage = CGImageCreate(size.width(), size.height(), 8, 32, size.width()*4, colorSpace,
kCGBitmapByteOrder32Little | kCGImageAlphaFirst, provider.get(), 0, false, kCGRenderingIntentDefault);
m_image = BitmapImage::create(frameImage);
}
ImageGStreamer::~ImageGStreamer()
{
if (m_image)
m_image.clear();
m_image = 0;
}
#endif // USE(GSTREAMER)
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