Question about the power of cinelerra-gg
Is it true that cinelerra-gg is more powerful than kdenlive or openshot? The fact this program advertises as having hardware acceleration caught my attention. Something other libre video editors have no such feature.
Zeke, well we will always "brag" about it ! Yes, it has hardware acceleration using vaapi or vdpau for rendering. The Manual ( https://www.cinelerra-gg.org under Documentation) goes into detail but a test case from probably 2 years ago as quoted there shown below: Results of a particular test case performed on a Intel, 4-core computer, with Broadwell Graphics using an mp4 input video/audio file with dimensions of 1440x1080/29.97 fps is shown next (note, filename is tutorial.mp4). This may very well be a best case scenario! But clearly, at least on this computer with only 4 cores, the hardware acceleration seems to be quite advantageous. A comparison of the 2 output files using ydiff as described in the Appendix (C.1) shows no obvious defects. *CPU usage* *Render Time* *File Size* *File* none 388% 100 secs 36,862,542 h264.mp4 vaapi 150% 19 secs 74,522,736 h264_vaapi.mp4 On Wed, Sep 8, 2021 at 11:53 AM Zeke Williams via Cin < [email protected]> wrote:
Is it true that cinelerra-gg is more powerful than kdenlive or openshot? The fact this program advertises as having hardware acceleration caught my attention. Something other libre video editors have no such feature. -- Cin mailing list [email protected] https://lists.cinelerra-gg.org/mailman/listinfo/cin
Zeke, well we will always "brag" about it ! Yes, it has hardware acceleration using vaapi or vdpau for rendering. The Manual ( https://www.cinelerra-gg.org under Documentation) goes into detail but a test case from probably 2 years ago as quoted there shown below: Results of a particular test case performed on a Intel, 4-core computer, with Broadwell Graphics using an mp4 input video/audio file with dimensions of 1440x1080/29.97 fps is shown next (note, filename is tutorial.mp4). This may very well be a best case scenario! But clearly, at least on this computer with only 4 cores, the hardware acceleration seems to be quite advantageous. A comparison of the 2 output files using ydiff as described in the Appendix (C.1) shows no obvious defects. *CPU usage* *Render Time* *File Size* *File* none 388% 100 secs 36,862,542 h264.mp4 vaapi 150% 19 secs 74,522,736 h264_vaapi.mp4 On Wed, Sep 8, 2021 at 11:53 AM Zeke Williams via Cin < [email protected]> wrote:
Is it true that cinelerra-gg is more powerful than kdenlive or openshot? The fact this program advertises as having hardware acceleration caught my attention. Something other libre video editors have no such feature. -- Cin mailing list [email protected] https://lists.cinelerra-gg.org/mailman/listinfo/cin
Vaapi and vdpau also provide decoding support (for the few codecs they support...), while vaapi and nvenc provide encoding support (again for a few codecs). More details can be found in the manual: https://cinelerra-gg.org/download/CinelerraGG_Manual/Hardware_video_accelera... [For decoding, I find it more efficient to use formats suitable for video editing (ProRes; DNxHR; ffv1) than the usual h264-5 with hardware support.]
participants (3)
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Andrea paz -
Phyllis Smith -
Zeke Williams