| /* |
| Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| |
| 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 ENABLE(VIDEO) && USE(GSTREAMER) |
| #include <gst/gst.h> |
| #include <gst/video/video.h> |
| |
| #ifdef GST_API_VERSION_1 |
| #include <gst/video/gstvideometa.h> |
| #endif |
| |
| #include <wtf/gobject/GOwnPtr.h> |
| |
| using namespace std; |
| using namespace WebCore; |
| |
| ImageGStreamer::ImageGStreamer(GstBuffer* buffer, GstCaps* caps) |
| : m_image(0) |
| { |
| GstVideoFormat format; |
| IntSize size; |
| int pixelAspectRatioNumerator, pixelAspectRatioDenominator, stride; |
| getVideoSizeAndFormatFromCaps(caps, size, format, pixelAspectRatioNumerator, pixelAspectRatioDenominator, stride); |
| |
| #ifdef GST_API_VERSION_1 |
| GstMapInfo info; |
| gst_buffer_map(buffer, &info, GST_MAP_READ); |
| uchar* bufferData = reinterpret_cast<uchar*>(info.data); |
| #else |
| uchar* bufferData = reinterpret_cast<uchar*>(GST_BUFFER_DATA(buffer)); |
| #endif |
| QImage::Format imageFormat; |
| QImage::InvertMode invertMode; |
| #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
| if (format == GST_VIDEO_FORMAT_BGRA) { |
| imageFormat = QImage::Format_ARGB32; |
| invertMode = QImage::InvertRgba; |
| } else { |
| imageFormat = QImage::Format_RGB32; |
| invertMode = QImage::InvertRgb; |
| } |
| #else |
| imageFormat = (format == GST_VIDEO_FORMAT_ARGB) ? QImage::Format_ARGB32 : QImage::Format_RGB32; |
| #endif |
| |
| QImage image(bufferData, size.width(), size.height(), imageFormat); |
| |
| #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
| image.invertPixels(invertMode); |
| #endif |
| QPixmap* surface = new QPixmap; |
| surface->convertFromImage(image); |
| m_image = BitmapImage::create(surface); |
| |
| #ifdef GST_API_VERSION_1 |
| if (GstVideoCropMeta* cropMeta = gst_buffer_get_video_crop_meta(buffer)) |
| setCropRect(FloatRect(cropMeta->x, cropMeta->y, cropMeta->width, cropMeta->height)); |
| |
| gst_buffer_unmap(buffer, &info); |
| #endif |
| } |
| |
| ImageGStreamer::~ImageGStreamer() |
| { |
| if (m_image) |
| m_image.clear(); |
| |
| m_image = 0; |
| } |
| #endif // USE(GSTREAMER) |
| |