author | sandman <sandman> | 2002-08-01 19:36:14 (UTC) |
---|---|---|
committer | sandman <sandman> | 2002-08-01 19:36:14 (UTC) |
commit | c80b2060a6f051f16690db4b8f0ccbc7dde84ec5 (patch) (side-by-side diff) | |
tree | 42ac3e7339c4a2a1b8c248b0dc6e0107e2e25aed /noncore/multimedia/opieplayer2 | |
parent | df93f330693ed3baeeb43a8e4a57cdcc011f571e (diff) | |
download | opie-c80b2060a6f051f16690db4b8f0ccbc7dde84ec5.zip opie-c80b2060a6f051f16690db4b8f0ccbc7dde84ec5.tar.gz opie-c80b2060a6f051f16690db4b8f0ccbc7dde84ec5.tar.bz2 |
Optimized video repaint for 0 and 180 deg rotation - 90 and 270 are there
but untested
Diffstat (limited to 'noncore/multimedia/opieplayer2') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/multimedia/opieplayer2/xinevideowidget.cpp | 181 | ||||
-rw-r--r-- | noncore/multimedia/opieplayer2/xinevideowidget.h | 7 |
2 files changed, 159 insertions, 29 deletions
diff --git a/noncore/multimedia/opieplayer2/xinevideowidget.cpp b/noncore/multimedia/opieplayer2/xinevideowidget.cpp index b5a714e..e46c4df 100644 --- a/noncore/multimedia/opieplayer2/xinevideowidget.cpp +++ b/noncore/multimedia/opieplayer2/xinevideowidget.cpp @@ -39,12 +39,43 @@ #include <qsize.h> #include <qpe/resource.h> #include "xinevideowidget.h" +static inline void memcpy_rev ( void *dst, void *src, size_t len ) +{ + ((char *) src ) += len; + + len >>= 1; + while ( len-- ) + *((short int *) dst )++ = *--((short int *) src ); +} + +static inline void memcpy_step ( void *dst, void *src, size_t len, size_t step ) +{ + len >>= 1; + while ( len-- ) { + *((short int *) dst )++ = *((short int *) src ); + ((char *) src ) += step; + } +} + +static inline void memcpy_step_rev ( void *dst, void *src, size_t len, size_t step ) +{ + len >>= 1; + + ((char *) src ) += ( len * step ); + + while ( len-- ) { + ((char *) src ) -= step; + *((short int *) dst )++ = *((short int *) src ); + } +} + + XineVideoWidget::XineVideoWidget( int width, int height, QWidget* parent, const char* name ) : QWidget( parent, name, WRepaintNoErase | WResizeNoErase ) { @@ -53,73 +84,175 @@ XineVideoWidget::XineVideoWidget( int width, setBackgroundMode( NoBackground); /* QImage image = Resource::loadImage("SoundPlayer"); image = image.smoothScale( width, height ); m_image = new QImage( image );*/ } -XineVideoWidget::~XineVideoWidget() { + +XineVideoWidget::~XineVideoWidget ( ) +{ delete m_image; } -void XineVideoWidget::clear() { + +void XineVideoWidget::clear ( ) +{ m_buff = 0; repaint(false); } -void XineVideoWidget::paintEvent( QPaintEvent* e ) { + +void XineVideoWidget::paintEvent ( QPaintEvent * ) +{ qWarning("painting"); if (m_buff == 0 ) { QPainter p(this ); p.fillRect( rect(), black ); p.drawImage( 0, 0, *m_image ); qWarning ( "logo\n" ); } else { - qWarning("paitnevent\n"); + qWarning ( "paintevent\n" ); + + QArray <QRect> qt_bug_workaround_clip_rects; + { + QDirectPainter dp ( this ); - if (( m_thisframe & m_lastframe ) != m_lastframe ) { - QPainter p ( this ); - p. fillRect ( m_lastframe, black ); + uchar *fb = dp. frameBuffer ( ); + uchar *frame = m_buff; // rot == 0 ? m_buff : m_buff + ( m_thisframe. height ( ) - 1 ) * m_bytes_per_line_frame; + + QRect framerect = QRect ( mapToGlobal ( m_thisframe. topLeft ( )), m_thisframe. size ( )); + + 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] = clip; + + int rot = dp. transformOrientation ( ); + + if ( rot == 0 || rot == 180 ) { + uchar *dst = fb + ( clip. x ( ) * m_bytes_per_pixel ) + ( clip. y ( ) * m_bytes_per_line_fb ); + uchar *src = frame + (( clip. x ( ) - framerect. x ( )) * m_bytes_per_pixel ) + (( clip. y ( ) - framerect. y ( )) * m_bytes_per_line_frame ); + + if ( rot == 180 ) + src += (( framerect. height ( ) - 1 ) * m_bytes_per_line_frame ); + + uint leftfill = 0; + uint framefill = 0; + uint rightfill = 0; + uint clipwidth = clip. width ( ) * m_bytes_per_pixel; + + 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 ( ))) { + memset ( dst, 0, clipwidth ); } + else { + if ( leftfill ) + memset ( dst, 0, leftfill ); + + if ( framefill ) { + if ( rot == 0 ) + memcpy ( dst + leftfill, src, framefill ); + else + memcpy_rev ( dst + leftfill, src, framefill ); } - { - QDirectPainter dp ( this ); + if ( rightfill ) + memset ( dst + leftfill + framefill, 0, rightfill ); + } + + dst += m_bytes_per_line_fb; + src += ( rot == 0 ? m_bytes_per_line_frame : -m_bytes_per_line_frame ); + } + } + else { // rot == 90 || rot == 270 + uchar *dst = fb + ( clip. y ( ) * m_bytes_per_pixel ) + ( clip. x ( ) * m_bytes_per_line_fb ); + uchar *src = frame + (( clip. x ( ) - framerect. x ( )) * m_bytes_per_pixel ) + (( clip. y ( ) - framerect. y ( )) * m_bytes_per_line_frame ); + + if ( rot == 270 ) + src += (( framerect. height ( ) - 1 ) * m_bytes_per_line_frame ); + + uint leftfill = 0; + uint framefill = 0; + uint rightfill = 0; + uint clipwidth = clip. height ( ) * m_bytes_per_pixel; + + if ( clip. bottom ( ) > framerect. bottom ( )) + leftfill = (( clip. bottom ( ) - framerect. bottom ( )) * m_bytes_per_pixel ) <? clipwidth; + if ( clip. top ( ) < framerect. top ( )) + rightfill = (( framerect. top ( ) - framerect. top ( )) * m_bytes_per_pixel ) <? clipwidth; + + framefill = clipwidth - ( leftfill + rightfill ); + + for ( int y = clip. left ( ); y <= clip. right ( ); y++ ) { + if (( y < framerect. left ( )) || ( y > framerect. right ( ))) { + memset ( dst, 0, clipwidth ); + } + else { + if ( leftfill ) + memset ( dst, 0, leftfill ); - uchar* dst = dp.frameBuffer() + (m_thisframe. y ( ) + dp.yOffset() ) * linestep + - (m_thisframe. x ( ) + dp.xOffset() ) * m_bytes_per_pixel; - uchar* frame = m_buff; - for(int y = 0; y < m_thisframe. height ( ); y++ ) { - memcpy( dst, frame, m_bytes ); - frame += m_bytes; - dst += linestep; + if ( framefill ) { + if ( rot == 90 ) + memcpy_step ( dst + leftfill, src, framefill, m_bytes_per_line_frame ); + else + memcpy_step_rev ( dst + leftfill, src, framefill, m_bytes_per_line_frame ); + } + if ( rightfill ) + memset ( dst + leftfill + framefill, 0, rightfill ); + } + + dst += m_bytes_per_line_fb; + src += ( rot == 90 ? +1 : -1 ); // m_bytes_per_line_frame : -m_bytes_per_line_frame ); + } + } } } { // QVFB hack by MArtin Jones QPainter p ( this ); - p. fillRect ( m_thisframe, QBrush ( NoBrush )); + + 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 ) ); } } } -int XineVideoWidget::height() const{ +} + +int XineVideoWidget::height ( ) const +{ return m_image->height(); } -int XineVideoWidget::width() const{ + +int XineVideoWidget::width ( ) const +{ return m_image->width(); } -void XineVideoWidget::setImage( QImage* image ) { + +void XineVideoWidget::setImage ( QImage* image ) +{ delete m_image; m_image = image; } + void XineVideoWidget::setImage( uchar* image, int yoffsetXLine, int xoffsetXBytes, int width, - int height, int linestep, int bytes, int bpp ) { + int height, int linestep, int bytes, int bpp ) +{ m_lastframe = m_thisframe; m_thisframe. setRect ( xoffsetXBytes, yoffsetXLine, width, height ); m_buff = image; - this->linestep = linestep; - m_bytes = bytes; + m_bytes_per_line_fb = linestep; + m_bytes_per_line_frame = bytes; m_bytes_per_pixel = bpp; - repaint ( false ); + repaint ((( m_thisframe & m_lastframe ) != m_lastframe ) ? m_lastframe : m_thisframe, false ); } diff --git a/noncore/multimedia/opieplayer2/xinevideowidget.h b/noncore/multimedia/opieplayer2/xinevideowidget.h index 5656194..7d9a6d2 100644 --- a/noncore/multimedia/opieplayer2/xinevideowidget.h +++ b/noncore/multimedia/opieplayer2/xinevideowidget.h @@ -51,17 +51,14 @@ public: protected: void paintEvent( QPaintEvent* p ); private: QRect m_lastframe; QRect m_thisframe; - int m_wid; - int m_height; - int m_yOff, m_xOff; uchar* m_buff; - int m_Width, m_Height, linestep; - int m_bytes; + int m_bytes_per_line_fb; + int m_bytes_per_line_frame; int m_bytes_per_pixel; QImage* m_image; }; |