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| author | Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com> | 2010-03-12 05:03:58 (GMT) |
|---|---|---|
| committer | Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com> | 2010-03-12 05:03:58 (GMT) |
| commit | a3e2e9efd4ed4baed3b5ca71cf518b3d3fda4716 (patch) | |
| tree | ca5de2c8edbe400a255ab2b855bf4959fa728bb6 /src/multimedia/base | |
| parent | f2fb317c1ed1b2e7ed46cf80dee474ebe1fa4ce7 (diff) | |
| download | Qt-a3e2e9efd4ed4baed3b5ca71cf518b3d3fda4716.zip Qt-a3e2e9efd4ed4baed3b5ca71cf518b3d3fda4716.tar.gz Qt-a3e2e9efd4ed4baed3b5ca71cf518b3d3fda4716.tar.bz2 | |
QPainterVideoSurface: assume yuv 420p and YV12 lines are 4 byte aligned.
Reviewed-by: Andrew den Exter
Diffstat (limited to 'src/multimedia/base')
| -rw-r--r-- | src/multimedia/base/qpaintervideosurface.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/multimedia/base/qpaintervideosurface.cpp b/src/multimedia/base/qpaintervideosurface.cpp index fc3d493..ed93fad 100644 --- a/src/multimedia/base/qpaintervideosurface.cpp +++ b/src/multimedia/base/qpaintervideosurface.cpp @@ -434,6 +434,9 @@ void QVideoSurfaceGLPainter::initRgbTextureInfo( void QVideoSurfaceGLPainter::initYuv420PTextureInfo(const QSize &size) { + int w = (size.width() + 3) & ~3; + int w2 = (size.width()/2 + 3) & ~3; + m_yuv = true; m_textureInternalFormat = GL_LUMINANCE; m_textureFormat = GL_LUMINANCE; @@ -444,14 +447,17 @@ void QVideoSurfaceGLPainter::initYuv420PTextureInfo(const QSize &size) m_textureOffsets[0] = 0; m_textureWidths[1] = size.width() / 2; m_textureHeights[1] = size.height() / 2; - m_textureOffsets[1] = size.width() * size.height(); + m_textureOffsets[1] = w * size.height(); m_textureWidths[2] = size.width() / 2; m_textureHeights[2] = size.height() / 2; - m_textureOffsets[2] = size.width() * size.height() * 5 / 4; + m_textureOffsets[2] = w * size.height() + w2 * (size.height() / 2); } void QVideoSurfaceGLPainter::initYv12TextureInfo(const QSize &size) { + int w = (size.width() + 3) & ~3; + int w2 = (size.width()/2 + 3) & ~3; + m_yuv = true; m_textureInternalFormat = GL_LUMINANCE; m_textureFormat = GL_LUMINANCE; @@ -462,10 +468,10 @@ void QVideoSurfaceGLPainter::initYv12TextureInfo(const QSize &size) m_textureOffsets[0] = 0; m_textureWidths[1] = size.width() / 2; m_textureHeights[1] = size.height() / 2; - m_textureOffsets[1] = size.width() * size.height() * 5 / 4; + m_textureOffsets[1] = w * size.height() + w2 * (size.height() / 2); m_textureWidths[2] = size.width() / 2; m_textureHeights[2] = size.height() / 2; - m_textureOffsets[2] = size.width() * size.height(); + m_textureOffsets[2] = w * size.height(); } #ifndef QT_OPENGL_ES |