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Diffstat (limited to 'media/base/video_util.h')
| -rw-r--r-- | media/base/video_util.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/media/base/video_util.h b/media/base/video_util.h index fd71605..0be1f4c 100644 --- a/media/base/video_util.h +++ b/media/base/video_util.h @@ -37,6 +37,25 @@ MEDIA_EXPORT void CopyPlane(size_t plane, const uint8* source, int stride, // Fills |frame| containing YUV data to the given color values. MEDIA_EXPORT void FillYUV(VideoFrame* frame, uint8 y, uint8 u, uint8 v); +// Rotates |src| plane by |rotation| degree with possible flipping vertically +// and horizontally. +// |rotation| is limited to {0, 90, 180, 270}. +// |width| and |height| are expected to be even numbers. +// Both |src| and |dest| planes are packed and have same |width| and |height|. +// When |width| != |height| and rotated by 90/270, only the maximum square +// portion located in the center is rotated. For example, for width=640 and +// height=480, the rotated area is 480x480 located from row 0 through 479 and +// from column 80 through 559. The leftmost and rightmost 80 columns are +// ignored for both |src| and |dest|. +// The caller is responsible for blanking out the margin area. +MEDIA_EXPORT void RotatePlaneByPixels( + uint8* src, + uint8* dest, + int width, + int height, + int rotation, // Clockwise. + bool flip_vert, + bool flip_horiz); } // namespace media #endif // MEDIA_BASE_VIDEO_UTIL_H_ |