Re: [FFmpeg-user] amd hwaccel encoding + overlay filter is not working together

2024-03-31 Thread Chen, Wenbin
> I tried your way. Unfortunately it's not working. > time ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 > -hwaccel_output_format vaapi -i ../WK.0217/2024_0217_S0n000.mp4 -r 1 -i > 2024_0217_S0n000-f%04d.tiff -filter_complex > '[1:v]hwupload,format=vaapi[1v];[0:v][1v]overlay_vaapi' -r 7

Re: [FFmpeg-user] QUESTION ABOUT VIDEO CODECS : LIBX264 vs LIBX265

2024-03-31 Thread Reindl Harald
Am 31.03.24 um 18:15 schrieb Hervé ANSELME: In other words, re-encoding with the x265 codec for the final video : can it improve the final video quality, compared to the source video, when the source video is encoded with x264? how should a lossy codec restore information dropped by the los

Re: [FFmpeg-user] Question about video codecs : libx264 vs libx265

2024-03-31 Thread Nicolas George
Hervé ANSELME (12024-03-31): > I have a question about re-encoding a source video having libx264 video codec. > > Is there any advantage(s) to re-encode with the libx265, which is supposed to > give better result than libx264 ? > > In other words, re-encoding with the x265 codec for the final vi

Re: [FFmpeg-user] QUESTION ABOUT VIDEO CODECS : LIBX264 vs LIBX265

2024-03-31 Thread Dennis Mungai
On Sun, 31 Mar 2024 at 19:15, Hervé ANSELME < hervea95-at-hotmail@ffmpeg.org> wrote: > Hi all, > > I have a question about re-encoding a source video having libx264 video > codec. > > Is there any advantage(s) to re-encode with the libx265, which is supposed > to give better result than libx26

Re: [FFmpeg-user] QUESTION ABOUT VIDEO CODECS : LIBX264 vs LIBX265

2024-03-31 Thread Ferdi Scholten
Hi all, I have a question about re-encoding a source video having libx264 video codec. Is there any advantage(s) to re-encode with the libx265, which is supposed to give better result than libx264 ? In other words, re-encoding with the x265 codec for the final video : can it improve the final

[FFmpeg-user] QUESTION ABOUT VIDEO CODECS : LIBX264 vs LIBX265

2024-03-31 Thread Hervé ANSELME
Hi all, I have a question about re-encoding a source video having libx264 video codec. Is there any advantage(s) to re-encode with the libx265, which is supposed to give better result than libx264 ? In other words, re-encoding with the x265 codec for the final video : can it improve the final