On 08/08/2013 02:31 PM, Bård Eirik Winther wrote:
> The PATCHv2 only rebases for master pull.
That applies properly, thanks!
Hans
>
> This adds scaling and aspect ratio support to the qv4l2 CaptureWin.
> In that regard it fixes a lot of other issues that would otherwise make
> scaling
> render incorrectly. It also fixes some issues with the original OpenGL patch
> series,
> as well as adding tweaks and improvements left out in the original patches.
>
>
> Some of the changes/improvements:
> - CaptureWin have scaling support for video frames for all renderers
> - CaptureWin support pixel aspect ratio scaling
> - Aspect ratio and scaling can be changed during capture
> - Reset and disable scaling options
> - CaptureWin's setMinimumSize is now resize, which resizes the window to the
> frame size given
> and minimum size is set automatically
> - The YUY2 shader programs are rewritten and has the resizing issue fixed
> - The Show Frames option in Capture menu can be toggled during capture
> - Added a hotkey:
> CTRL + F : (size to video 'F'rame)
> When either the main window or capture window is selected
> this will reset the scaling to fit the frame size.
> This option is also available in the Capture menu.
>
> Pixel Aspect Ratio Modes:
> - Autodetect (if not supported this assumes square pixels)
> - Square
> - NTSC/PAL-M/PAL-60
> - NTSC/PAL-M/PAL-60, Anamorphic
> - PAL/SECAM
> - PAL/SECAM, Anamorphic
>
> Perfomance:
> All tests are done using the 3.10 kernel with OpenGL enabled and desktop
> effects disabled.
> Testing was done on an Intel i7-2600S (with Turbo Boost disabled)
> using the integrated Intel HD 2000 graphics processor. The mothreboard is
> an ASUS P8H77-I
> with 2x2GB CL 9-9-9-24 DDR3 RAM. The capture card is a Cisco test card with
> 4 HDMI
> inputs connected using PCIe2.0x8. All video input streams used for testing
> are
> progressive HD (1920x1080) with 60fps.
>
> FPS for every input for a given number of streams
> (BGR3, YU12 and YV12 are emulated using the CPU):
> 1 STREAM 2 STREAMS 3 STREAMS 4 STREAMS
> RGB3 60 60 60 60
> BGR3 60 60 60 58
> YUYV 60 60 60 60
> YU12 60 60 60 60
> YV12 60 60 60 60
>
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