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Diffstat (limited to 'src/views/video/mvideowidgetview.cpp')
| -rw-r--r-- | src/views/video/mvideowidgetview.cpp | 660 |
1 files changed, 0 insertions, 660 deletions
diff --git a/src/views/video/mvideowidgetview.cpp b/src/views/video/mvideowidgetview.cpp deleted file mode 100644 index c683b930..00000000 --- a/src/views/video/mvideowidgetview.cpp +++ /dev/null @@ -1,660 +0,0 @@ -/* * This file is part of libmeegotouch * - * - * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). - * All rights reserved. - * - * Contact: Tomas Junnonen <tomas.junnonen@nokia.com> - * - * This software, including documentation, is protected by copyright - * controlled by Nokia Corporation. All rights are reserved. Copying, - * including reproducing, storing, adapting or translating, any or all of - * this material requires the prior written consent of Nokia Corporation. - * This material also contains confidential information which may not be - * disclosed to others without the prior written consent of Nokia. - */ - -#include "mvideowidgetview.h" -#include "mvideowidgetview_p.h" -#include "mvideowidget.h" - -#include "mapplication.h" -#include "mapplicationwindow.h" - -#include <gst/gst.h> -#include <gst/gstvalue.h> -#include <gst/video/video.h> - -#include "mgles2renderer.h" -#include "mgstvideo.h" - -#include "msink.h" -#include "mdebug.h" - -#include <mscene.h> - -MVideoWidgetViewPrivate::MVideoWidgetViewPrivate() - : m_useSingleYuvTexture(false), - image(NULL), - bits(NULL), - scaleOffsets(NULL), - m_needFillBg(false), - m_fullscreen(false), - m_gstVideo(new MGstVideo()), - m_updateEnabled(false) -{ - m_textures[0] = 0; - m_textures[1] = 0; - m_textures[2] = 0; - - qRegisterMetaType< QList<const char*> >("QList<const char*>"); -#ifdef M_USE_OPENGL - glGenTextures(3, &m_textures[0]); -#endif -} - -MVideoWidgetViewPrivate::~MVideoWidgetViewPrivate() -{ - delete image; - delete[] bits; - delete[] scaleOffsets; - - delete m_gstVideo; - -#ifdef M_USE_OPENGL - glDeleteTextures(3, &m_textures[0]); -#endif -} - -const MVideoWidgetModel* MVideoWidgetViewPrivate::model() const -{ - Q_Q(const MVideoWidgetView); - return q->model(); -} - -MVideoWidgetModel* MVideoWidgetViewPrivate::model() -{ - Q_Q(MVideoWidgetView); - return q->model(); -} - -void MVideoWidgetViewPrivate::update() -{ - Q_Q(MVideoWidgetView); - if( m_updateEnabled ) - q->update(); -} - -void MVideoWidgetViewPrivate::updateGeometry() -{ - Q_Q(MVideoWidgetView); - q->updateGeometry(); -} - -void MVideoWidgetViewPrivate::videoReady() -{ - model()->setLength(m_gstVideo->length()); - - updateVideoGeometry(); - updateGeometry(); - update(); -} - -void MVideoWidgetViewPrivate::frameReady() -{ - model()->setPositionNoEmit(m_gstVideo->position()); - - if( m_updateEnabled ) { - if( MApplication::softwareRendering()) { - blitSwFrame(); - } else { - #ifdef M_USE_OPENGL - blitGLFrame(); - #else - blitSwFrame(); - #endif - } - update(); - } -} - -void MVideoWidgetViewPrivate::stateChanged() -{ - model()->setState(m_gstVideo->videoState()); -} - - -void MVideoWidgetViewPrivate::updateVideoGeometry() -{ - Q_Q(MVideoWidgetView); - - QSize videoSize = m_gstVideo->resolution(); - QSize widgetSize = q->size().toSize(); - - if( model()->scaleMode() == MVideoWidgetModel::ScaleToFit ) { - if( model()->aspectRatioMode() == MVideoWidgetModel::AspectRatioOriginal ) { - //scale but preserve the original aspect ratio - videoSize.scale(widgetSize, Qt::KeepAspectRatio); - qreal dx = (widgetSize.width() - videoSize.width()) / 2.0; - qreal dy = (widgetSize.height() - videoSize.height()) / 2.0; - m_scaledVideoRect.setRect(dx, dy, videoSize.width(), videoSize.height()); - m_needFillBg = widgetSize != videoSize; - } - else { - //scale the video to match exactly the widget's size - m_scaledVideoRect.setRect(0, 0, widgetSize.width(), widgetSize.height()); - m_needFillBg = false; - } - } - else { - //do not scale just center the video inside the widget - qreal dx = (widgetSize.width() - videoSize.width()) / 2.0; - qreal dy = (widgetSize.height() - videoSize.height()) / 2.0; - m_scaledVideoRect.setRect(dx, dy, videoSize.width(), videoSize.height()); - m_needFillBg = widgetSize != videoSize; - } -} - -void MVideoWidgetViewPrivate::blitGLFrame() -{ - if( !m_gstVideo->frameData() ) - return; - - //try to lock the frame data if the we cannot lock it - //a new frame is currently being received and there will update - //call when the new frame has been completely received so we - //can safely skip the new frame texture creation for now - if( !m_gstVideo->lockFrameData() ) { - mWarning("MVideoWidgetViewPrivate::blitGLFrame()") << "MUTEX LOCK CONFLICT!"; - return; - } - - //create texture from the data - if( m_gstVideo->frameDataFormat() == MGstVideo::RGB ) { - blitRgbTexture(m_gstVideo->frameData(), m_gstVideo->resolution().width(), m_gstVideo->resolution().height()); - } else { - m_useSingleYuvTexture ? blitSingleYuvTexture(m_gstVideo->frameData(), m_gstVideo->resolution().width(), m_gstVideo->resolution().height()) : - blitMultiYuvTexture(m_gstVideo->frameData(), m_gstVideo->resolution().width(), m_gstVideo->resolution().height()); - } - - m_gstVideo->unlockFrameData(); -} - -void MVideoWidgetViewPrivate::blitRgbTexture(const uchar* data, int width, int height) -{ -#ifdef M_USE_OPENGL - GLuint target = GL_TEXTURE_2D; - GLuint format = GL_RGB; - glBindTexture(target, m_textures[0]); - glTexImage2D(target, 0, format, width, height, 0, format, - GL_UNSIGNED_BYTE, data); -#else - Q_UNUSED(data) - Q_UNUSED(width) - Q_UNUSED(height) -#endif -} - -void MVideoWidgetViewPrivate::blitMultiYuvTexture(const uchar* data, int width, int height) -{ -#ifdef M_USE_OPENGL - GLuint target = GL_TEXTURE_2D; - GLuint format = GL_LUMINANCE; - - int w[3] = {width, width / 2, width / 2}; - int h[3] = {height, height / 2, height / 2}; - int offs[3] = {0, width*height, width*height*5 / 4 }; - for (int i = 0; i < 3; ++i) { - glBindTexture(target, m_textures[i]); - glTexImage2D(target, 0, format, w[i], h[i], 0, - GL_LUMINANCE, GL_UNSIGNED_BYTE, data + offs[i]); - } -#else - Q_UNUSED(data) - Q_UNUSED(width) - Q_UNUSED(height) -#endif -} - -void MVideoWidgetViewPrivate::blitSingleYuvTexture(const uchar* data, int width, int height) -{ -#ifdef M_USE_OPENGL - const uchar *sp = data; - uchar *texdata = new uchar[width * height * 3]; - uchar *dp = texdata; - - //do some precalculations for indexing the yuv data buffer - int w_x_h = width * height; - int w_x_h_div_4 = w_x_h / 4; - int w_div_2 = width / 2; - - for (int y = 0; y < height; ++y) { - int idx = y / 2 * w_div_2; - - for (int x = 0; x < width; ++x, dp += 3) { - int x_div_2 = x / 2; - - // find yuv components from yuv420 - uchar y_val = sp[y * width + x]; - uchar u_val = sp[idx + x_div_2 + w_x_h]; - uchar v_val = sp[idx + x_div_2 + w_x_h + w_x_h_div_4]; - - //fill texture data buffer - dp[0] = y_val; - dp[1] = u_val; - dp[2] = v_val; - } - } - - //create the actual gl texture from the data - GLuint target = GL_TEXTURE_2D; - GLuint format = GL_RGB; - glBindTexture(target, m_textures[0]); - glTexImage2D(target, 0, format, width, height, 0, - format, GL_UNSIGNED_BYTE, texdata); - delete[] texdata; -#else - Q_UNUSED(data) - Q_UNUSED(width) - Q_UNUSED(height) -#endif -} - -/* - * Precalculates a linear scale table for software blit. - */ -static const int* -calc_linear_scale(int src_w, int src_h, int dst_w, int dst_h) -{ - int *table = new int[dst_w * dst_h]; - for (int y = 0, i = 0; y < dst_h; ++y) { - int s_scan = ((y * src_h) / dst_h) * (src_w * 3); - for (int x = 0; x < dst_w; ++x, ++i) { - table[i] = s_scan + ((x * src_w) / dst_w) * 3; - } - } - return table; -} - -void MVideoWidgetViewPrivate::blitSwFrame() -{ - if( !m_gstVideo->frameData() ) - return; - - //try to lock the frame data if the we cannot lock it - //a new frame is currently being received and there will update - //call when the new frame has been completely received so we - //can safely skip the new frame texture creation for now - if( !m_gstVideo->lockFrameData() ) { - mWarning("MVideoWidgetViewPrivate::blitSwFrame()") << "MUTEX LOCK CONFLICT!"; - return; - } - - blit(m_gstVideo->frameData(), m_gstVideo->resolution().width(), m_gstVideo->resolution().height()); - - m_gstVideo->unlockFrameData(); -} - -/* - * Prepare software blit, set correct image size, create - * buffers & scaling offset table. - */ -void MVideoWidgetViewPrivate::prepareBlit(int w, int h) -{ - if (image && (image->width() != w || image->height() != h)) { - delete image; - delete[] bits; - image = NULL; - bits = NULL; - } - - if (!image) { - if (scaleOffsets) - delete[] scaleOffsets; - - scaleOffsets = calc_linear_scale(m_gstVideo->resolution().width(), m_gstVideo->resolution().height(), w, h); - - bits = new uchar[w * h * 4]; - image = new QImage(bits, w, h, QImage::Format_RGB32); - image->fill(0); - } -} - -/* - * Blits the video frame using software rendering. Uses the - * scale offset table precalculated in prepareBlit() - */ -void MVideoWidgetViewPrivate::blit(const uchar* data, int w, int h) -{ - QSize videoSize = m_gstVideo->resolution(); - - //FIXME: non scaling method crashes currently. - /*if( videoSize.width() == w && videoSize.height() == h ) { - //blit without scaling - blit(data); - return; - }else*/ - if (w > videoSize.width() || h > videoSize.height()) { - // only downscaling supported - mWarning("MVideoWidgetPrivate::blit()") << "error - upscaling not supported with sw rendering"; - return; - } - - prepareBlit(w, h); - - // for each pixel in video frame - uchar *sp, *dp; - dp = bits; - for (int i = 0, x = 0, y = 0; i < w*h; ++i, ++x, dp += 4) { - sp = (uchar*)data + scaleOffsets[i]; - if (m_gstVideo->frameDataFormat() == MGstVideo::RGB) { - // BGR -> RGB - dp[0] = sp[2]; - dp[1] = sp[1]; - dp[2] = sp[0]; - } else { - - if (x == w) { - x = 0; - ++y; - } - - int xx = (x * videoSize.width()) / w; - int yy = (y * videoSize.height()) / h; - - // YUV420->RGB implementation (http://en.wikipedia.org/wiki/YUV#Y.27UV444) - const uchar *srcp = data; - // find yuv components from yuv420 - int y_val = srcp[yy * videoSize.width() + xx]; - int u_val = srcp[(yy/2) * (videoSize.width()/2) + xx/2 + videoSize.width()*videoSize.height()]; - int v_val = srcp[(yy/2) * (videoSize.width()/2) + xx/2 + videoSize.width()*videoSize.height() + ((videoSize.width()*videoSize.height())/4)]; - - // fixed point yuv -> rgb conversion - int r = (298 * (y_val - 16) + 409 * (v_val - 128) + 128) >> 8; - int g = (298 * (y_val - 16) - 100 * (u_val - 128) - 208 * (v_val - 128) + 128) >> 8; - int b = (298 * (y_val - 16) + 516 * (u_val - 128) + 128) >> 8; - - dp[0] = CLAMP(b, 0, 255); - dp[1] = CLAMP(g, 0, 255); - dp[2] = CLAMP(r, 0, 255); - } - } - - //force change of QImage::cacheKey(), to make sure the gl texture caching works. - image->setPixel(0,0, image->pixel(0,0)); -} - -/* - * Blits the video frame using software rendering - * without any scaling. - */ -void MVideoWidgetViewPrivate::blit(const uchar* data) -{ - QSize videoSize = m_gstVideo->resolution(); - prepareBlit(videoSize.width(), videoSize.height()); - - const uchar *sp = data; - uchar *dp = bits; - for (int x = 0, y = 0; y < videoSize.height(); ++x, sp += 3, dp += 4) { - - if (m_gstVideo->frameDataFormat() == MGstVideo::RGB) { - // BGR -> RGB - dp[0] = sp[2]; - dp[1] = sp[1]; - dp[2] = sp[0]; - } else { - // YUV420->RGB implementation (http://en.wikipedia.org/wiki/YUV#Y.27UV444) - - // find yuv components from yuv420 - int y_val = sp[y * videoSize.width() + x]; - int u_val = sp[(y/2) * (videoSize.width()/2) + x/2 + videoSize.width()*videoSize.height()]; - int v_val = sp[(y/2) * (videoSize.width()/2) + x/2 + videoSize.width()*videoSize.height() + ((videoSize.width()*videoSize.height())/4)]; - - // fixed point yuv -> rgb conversion - int r = (298 * (y_val - 16) + 409 * (v_val - 128) + 128) >> 8; - int g = (298 * (y_val - 16) - 100 * (u_val - 128) - 208 * (v_val - 128) + 128) >> 8; - int b = (298 * (y_val - 16) + 516 * (u_val - 128) + 128) >> 8; - - dp[0] = CLAMP(b, 0, 255); - dp[1] = CLAMP(g, 0, 255); - dp[2] = CLAMP(r, 0, 255); - } - - if (x == videoSize.width()) { - x = 0; - ++y; - } - } -} - -unsigned long MVideoWidgetViewPrivate::currentWinId() const -{ - return MApplication::activeApplicationWindow()->viewport()->effectiveWinId(); -} - -void MVideoWidgetViewPrivate::_q_enableVisualUpdates() -{ - m_updateEnabled = true; -} - -void MVideoWidgetViewPrivate::_q_disableVisualUpdates() -{ - m_updateEnabled = false; -} - -MVideoWidgetView::MVideoWidgetView(MVideoWidget* controller) : - MWidgetView(* new MVideoWidgetViewPrivate, controller) -{ - Q_D(MVideoWidgetView); - connect(d->m_gstVideo, SIGNAL(videoReady()), - SLOT(videoReady())); - connect(d->m_gstVideo, SIGNAL(frameReady()), - SLOT(frameReady())); - connect(d->m_gstVideo, SIGNAL(stateChanged()), - SLOT(stateChanged())); - - connect(controller, SIGNAL(displayEntered()),SLOT(_q_enableVisualUpdates())); - connect(controller, SIGNAL(displayExited()), SLOT(_q_disableVisualUpdates())); -} - -MVideoWidgetView::MVideoWidgetView(MVideoWidgetViewPrivate &dd, MVideoWidget *controller) : - MWidgetView(dd, controller) -{ - Q_D(MVideoWidgetView); - connect(d->m_gstVideo, SIGNAL(videoReady()), - SLOT(videoReady())); - connect(d->m_gstVideo, SIGNAL(frameReady()), - SLOT(frameReady())); - connect(d->m_gstVideo, SIGNAL(stateChanged()), - SLOT(stateChanged())); - - connect(controller, SIGNAL(displayEntered()),SLOT(_q_enableVisualUpdates())); - connect(controller, SIGNAL(displayExited()), SLOT(_q_disableVisualUpdates())); -} - -MVideoWidgetView::~MVideoWidgetView() -{ -} - -void MVideoWidgetView::drawContents(QPainter* painter, const QStyleOptionGraphicsItem* option) const -{ - Q_UNUSED(option); - - Q_D(const MVideoWidgetView); - - if( d->m_gstVideo->renderTarget() == MGstVideo::MSink ) { - if (d->m_needFillBg && style()->backgroundColor().isValid()) { - painter->fillRect(boundingRect(), style()->backgroundColor()); - } - - if( !d->m_gstVideo->isReady() ) - return; - - MGLES2Renderer* r = MGLES2Renderer::instance(); - if( r ) { - bool yuv = d->m_gstVideo->frameDataFormat() == MGstVideo::YUV; - if( yuv ) { - if( d->m_useSingleYuvTexture ) { - r->begin(painter, r->getShaderProgram(M_SHADER_SOURCE_DIR "/yuv1.frag" )); - r->bindTexture(d->m_textures[0], QSize(-1,-1), 0, "textureYUV"); - } else { - r->begin(painter, r->getShaderProgram(M_SHADER_SOURCE_DIR "/yuv3.frag")); - r->bindTexture(d->m_textures[0], QSize(-1,-1), 0, "textureY"); - r->bindTexture(d->m_textures[1], QSize(-1,-1), 1, "textureU"); - r->bindTexture(d->m_textures[2], QSize(-1,-1), 2, "textureV"); - } - } else { - r->begin(painter); - r->bindTexture(d->m_textures[0]); - } - r->setInvertTexture(true); - r->draw(d->m_scaledVideoRect.toRect()); - r->end(); - } - else if( d->image ) { - // SW rendering - painter->drawImage(d->m_scaledVideoRect.toRect(), *d->image); - } - } else { - painter->fillRect(boundingRect(), style()->colorKey()); - unsigned long id = d->currentWinId(); - if( d->m_gstVideo->winId() != id && id != 0 ) - d->m_gstVideo->setWinId(id); - d->m_gstVideo->expose(); - } -} - -QSizeF MVideoWidgetView::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const -{ - Q_D(const MVideoWidgetView); - Q_UNUSED(constraint); - - if( d->m_gstVideo->isReady() ) { - if (which == Qt::PreferredSize) { - MWindow* w = MApplication::activeWindow(); - return model()->fullscreen() ? w->visibleSceneSize() : d->m_gstVideo->resolution(); - } - } - return QSizeF(-1, -1); -} - -void MVideoWidgetView::resizeEvent(QGraphicsSceneResizeEvent* event) -{ - Q_UNUSED(event); - Q_D(MVideoWidgetView); - d->updateVideoGeometry(); -} - -void MVideoWidgetView::applyStyle() -{ - Q_D(MVideoWidgetView); - - if( model()->fullscreen() ) { - style().setModeFullscreen(); - d->m_gstVideo->setColorKey(style()->colorKey()); - } - else { - style().setModeDefault(); - } - - MWidgetView::applyStyle(); - - d->update(); -} - -void MVideoWidgetView::mousePressEvent(QGraphicsSceneMouseEvent *event) -{ - Q_UNUSED(event); -} - -void MVideoWidgetView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) -{ - Q_UNUSED(event); -} - -void MVideoWidgetView::cancelEvent(MCancelEvent *event) -{ - Q_UNUSED(event); -} - -void MVideoWidgetView::updateData(const QList<const char*>& modifications) -{ - Q_D(MVideoWidgetView); - - MWidgetView::updateData(modifications); - - const char* member; - foreach(member, modifications) { - if(member == MVideoWidgetModel::Filename ) { - model()->setLength(0); - if( !d->m_gstVideo->open(model()->filename()) ) { - } - } - else if( member == MVideoWidgetModel::State ) { - d->m_gstVideo->setVideoState(model()->state()); - } - else if( member == MVideoWidgetModel::Position ) { - d->m_gstVideo->seek(model()->position()); - d->update(); - } - else if( member == MVideoWidgetModel::Looping ) { - d->m_gstVideo->setLooping(model()->looping()); - } - else if( member == MVideoWidgetModel::Muted ) { - d->m_gstVideo->setMuted(model()->muted()); - } - else if( member == MVideoWidgetModel::Volume ) { - d->m_gstVideo->setVolume(model()->volume()); - } - else if( member == MVideoWidgetModel::Fullscreen ) { - applyStyle(); - - if( model()->fullscreen() ) { - d->m_gstVideo->setWinId(d->currentWinId()); - d->m_gstVideo->setRenderTarget(MGstVideo::XvSink); - } - else { - d->m_gstVideo->setRenderTarget(MGstVideo::MSink); - } - - updateGeometry(); - d->update(); - } - else if( member == MVideoWidgetModel::ScaleMode ) { - d->updateVideoGeometry(); - d->update(); - } - else if( member == MVideoWidgetModel::AspectRatioMode ) { - d->m_gstVideo->forceAspectRatio(model()->aspectRatioMode() == MVideoWidgetModel::AspectRatioOriginal); - d->updateVideoGeometry(); - d->update(); - } - } -} - -void MVideoWidgetView::setupModel() -{ - MWidgetView::setupModel(); - - Q_D(MVideoWidgetView); - - applyStyle(); - - if( model()->fullscreen() ) { - d->m_gstVideo->setWinId(d->currentWinId()); - d->m_gstVideo->setRenderTarget(MGstVideo::XvSink); - } - else { - d->m_gstVideo->setRenderTarget(MGstVideo::MSink); - } - - d->m_gstVideo->forceAspectRatio(model()->aspectRatioMode() == MVideoWidgetModel::AspectRatioOriginal); - - d->m_gstVideo->setLooping(model()->looping()); - d->m_gstVideo->open(model()->filename()); - - updateGeometry(); - d->update(); -} - -M_REGISTER_VIEW_NEW(MVideoWidgetView, MVideoWidget) -#include "moc_mvideowidgetview.cpp" |