-rw-r--r-- | noncore/multimedia/opieplayer2/xinevideowidget.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/noncore/multimedia/opieplayer2/xinevideowidget.cpp b/noncore/multimedia/opieplayer2/xinevideowidget.cpp index 1ac9277..9e86041 100644 --- a/noncore/multimedia/opieplayer2/xinevideowidget.cpp +++ b/noncore/multimedia/opieplayer2/xinevideowidget.cpp @@ -164,141 +164,143 @@ void XineVideoWidget::paintEvent ( QPaintEvent * ) { QDirectPainter dp ( this ); int rot = dp. transformOrientation ( ) + m_rotation; // device rotation + custom rotation uchar *fb = dp. frameBuffer ( ); uchar *frame = m_buff; // where is the video frame in fb coordinates QRect framerect = qt_screen-> mapToDevice ( QRect ( mapToGlobal ( m_thisframe. topLeft ( )), m_thisframe. size ( )), QSize ( qt_screen-> width ( ), qt_screen-> height ( ))); qt_bug_workaround_clip_rects. resize ( dp. numRects ( )); for ( int i = dp. numRects ( ) - 1; i >= 0; i-- ) { const QRect &clip = dp. rect ( i ); qt_bug_workaround_clip_rects [ i ] = qt_screen-> mapFromDevice ( clip, QSize ( qt_screen-> width ( ), qt_screen-> height ( ))); uchar *dst = fb + ( clip. x ( ) * m_bytes_per_pixel ) + ( clip. y ( ) * m_bytes_per_line_fb ); // clip x/y in the fb uchar *src = frame; // Adjust the start the source data based on the rotation (xine frame) switch ( rot ) { case 0: src += ((( clip. x ( ) - framerect. x ( )) * m_bytes_per_pixel ) + (( clip. y ( ) - framerect. y ( )) * m_bytes_per_line_frame )); break; case 1: src += ((( clip. y ( ) - framerect. y ( )) * m_bytes_per_pixel ) + (( clip. x ( ) - framerect. x ( )) * m_bytes_per_line_frame ) + (( framerect. height ( ) - 1 ) * m_bytes_per_pixel )); break; case 2: src += ((( clip. x ( ) - framerect. x ( )) * m_bytes_per_pixel ) + (( clip. y ( ) - framerect. y ( )) * m_bytes_per_line_frame ) + (( framerect. height ( ) - 1 ) * m_bytes_per_line_frame )); break; case 3: src += ((( clip. y ( ) - framerect. y ( )) * m_bytes_per_pixel ) + (( clip. x ( ) - framerect. x ( )) * m_bytes_per_line_frame )); break; default: break; } // all of the following widths/heights are fb relative (0deg rotation) uint leftfill = 0; // black border on the "left" side of the video frame uint framefill = 0; // "width" of the video frame uint rightfill = 0; // black border on the "right" side of the video frame uint clipwidth = clip. width ( ) * m_bytes_per_pixel; // "width" of the current clip rect if ( clip. left ( ) < framerect. left ( )) leftfill = (( framerect. left ( ) - clip. left ( )) * m_bytes_per_pixel ) <? clipwidth; if ( clip. right ( ) > framerect. right ( )) rightfill = (( clip. right ( ) - framerect. right ( )) * m_bytes_per_pixel ) <? clipwidth; framefill = clipwidth - ( leftfill + rightfill ); for ( int y = clip. top ( ); y <= clip. bottom ( ); y++ ) { if (( y < framerect. top ( )) || ( y > framerect. bottom ( ))) { // "above" or "below" the video -> black memset ( dst, 0, clipwidth ); } else { if ( leftfill ) memset ( dst, 0, leftfill ); // "left" border -> black if ( framefill ) { // blit in the video frame // see above for an explanation of the different memcpys switch ( rot ) { case 0: memcpy ( dst + leftfill, src, framefill & ~1 ); break; case 1: memcpy_step ( dst + leftfill, src, framefill, m_bytes_per_line_frame ); break; case 2: memcpy_rev ( dst + leftfill, src, framefill ); break; case 3: memcpy_step_rev ( dst + leftfill, src, framefill, m_bytes_per_line_frame ); break; default: break; } } if ( rightfill ) memset ( dst + leftfill + framefill, 0, rightfill ); // "right" border -> black } dst += m_bytes_per_line_fb; // advance one line in the framebuffer // advance one "line" in the xine frame data switch ( rot ) { case 0: src += m_bytes_per_line_frame; break; case 1: src -= m_bytes_per_pixel; break; case 2: src -= m_bytes_per_line_frame; break; case 3: src += m_bytes_per_pixel; break; default: break; } } } } { // QVFB hack by Martin Jones // We need to "touch" all affected clip rects with a normal QPainter in addition to the QDirectPainter QPainter p ( this ); for ( int i = qt_bug_workaround_clip_rects. size ( ) - 1; i >= 0; i-- ) { p. fillRect ( QRect ( mapFromGlobal ( qt_bug_workaround_clip_rects [ i ]. topLeft ( )), qt_bug_workaround_clip_rects [ i ]. size ( )), QBrush ( NoBrush )); } } } } QImage *XineVideoWidget::logo ( ) const { return m_logo; } void XineVideoWidget::setLogo ( QImage* logo ) { delete m_logo; m_logo = logo; } void XineVideoWidget::setVideoFrame ( uchar* img, int w, int h, int bpl ) { bool rot90 = (( -m_rotation ) & 1 ); if ( rot90 ) { // if the rotation is 90 or 270 we have to swap width / height int d = w; w = h; h = d; } m_lastframe = m_thisframe; m_thisframe. setRect (( width ( ) - w ) / 2, ( height ( ) - h ) / 2, w , h ); m_buff = img; m_bytes_per_line_frame = bpl; // only repaint the area that *really* needs to be repainted repaint ((( m_thisframe & m_lastframe ) != m_lastframe ) ? m_lastframe : m_thisframe, false ); + // ensure that we always have a valid frame! + m_buff = 0; } void XineVideoWidget::resizeEvent ( QResizeEvent * ) { emit videoResized( videoSize() ); } void XineVideoWidget::mouseReleaseEvent ( QMouseEvent * /*me*/ ) { emit clicked(); } |