Hello just making a poll, which one do you prefer? personally I prefer x265 but since the rarbg falldown i’ve seen that almost all 1080p rips are in x264, what do you think about that, and do you recommend any place to find more x265 content beside those in the megathread?
Neither. AV1 if available, if not I download a high quality x264 copy and do my own transcode. AV1 is high quality with smaller file sizes, but isn’t very common right now.
Where have you ever found AV1? I’ve literally never once seen it in the wild. It seems awesome though, I would definitely choose that over anything else
It really is awesome. Lots of leaps forward for AV1 recently. It encodes faster than x265 in some situations with so much space saved. It’s still in the early stages, really, and the compression isn’t perfect, but for video streaming purposes, I’ll take it over x265 any day.
It encodes faster than x265 in some situations with so much space saved
on ffmpeg?
I tested it like 6months to a year ago I think, and it had similar storage requirement at similar visual fidelity but transcoding took what seemed 5x to 10x the time
/e: for future reference, I’m testing a transfer to transcoding to AV1 instead of hevc
general gist:
preset is encoding speed, higher is faster, this setting gets me a bit faster than what i had my hevc encode set up
tune=0 tunes for being good looking
fast-decode lessens cpu use on decode
crf 50 seems fine for my use
-g 240 changes keyframe insertion to every 240 frames
-pix_fmt yuv420p10le gives 10bit color depth which helps with dark scenes and doesn’T cost much space
A lot of comments suggesting AV1 has better compatibility than h265. In my experience the opposite is true. H265 is supported by all of my devices including Plex on my smart TV without transcoding, whereas AV1 makes everything have a fit trying to play it. Am I doing something wrong?
AV1 seems like a more open successor to HEVC/x265 and since it’s quite new compared to that only new devices are just starting to support it through hardware decoding/encoding
H265 is objectively superior in just about every way UNLESS you’re trying to play it on hardware that doesn’t support it. The only reason to use H264 is for broad compatibility.
Pretty sure it’s just more of a hardware age issue. Smart TV makers don’t put much effort into their firmware, so if they don’t support a codec now they probably won’t support it ever. Devices made before a certain year probably won’t ever support H265. I suspect we’ll run into the same thing with AV1, unfortunately. It’s another objectively superior codec that will have compatible issues. 🤷
All my content is converted to CPU encoded x265. Size is MUCH smaller and quality better than GPU encoded x265. My preference is to get remux copies of the content and then encode it myself.
I don’t keep 4k content, I find that 2k encodes for the stuff I really want at high fidelity is enough with Nvidia upscaling (Nvidia shield). Plus surprisingly some of my 2k files are no larger than 1080p.
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Neither. AV1 if available, if not I download a high quality x264 copy and do my own transcode. AV1 is high quality with smaller file sizes, but isn’t very common right now.
Where have you ever found AV1? I’ve literally never once seen it in the wild. It seems awesome though, I would definitely choose that over anything else
It really is awesome. Lots of leaps forward for AV1 recently. It encodes faster than x265 in some situations with so much space saved. It’s still in the early stages, really, and the compression isn’t perfect, but for video streaming purposes, I’ll take it over x265 any day.
on ffmpeg?
I tested it like 6months to a year ago I think, and it had similar storage requirement at similar visual fidelity but transcoding took what seemed 5x to 10x the time
/e: for future reference, I’m testing a transfer to transcoding to AV1 instead of hevc
ffmpeg -i /path/to/infile -c:v libsvtav1 -preset 9 -svtav1-params tune=0:enable-overlays=1:scd=1:scm=0:fast-decode=1 -crf 50 -g 240 -pix_fmt yuv420p10le /path/to/outfileThese are a mix of what I read here:
https://gist.github.com/BlueSwordM/86dfcb6ab38a93a524472a0cbe4c4100
and here:
https://trac.ffmpeg.org/wiki/Encode/AV1
general gist:
preset is encoding speed, higher is faster, this setting gets me a bit faster than what i had my hevc encode set up
tune=0 tunes for being good looking
fast-decode lessens cpu use on decode
crf 50 seems fine for my use
-g 240 changes keyframe insertion to every 240 frames
-pix_fmt yuv420p10le gives 10bit color depth which helps with dark scenes and doesn’T cost much space
A lot of comments suggesting AV1 has better compatibility than h265. In my experience the opposite is true. H265 is supported by all of my devices including Plex on my smart TV without transcoding, whereas AV1 makes everything have a fit trying to play it. Am I doing something wrong?
AV1 seems like a more open successor to HEVC/x265 and since it’s quite new compared to that only new devices are just starting to support it through hardware decoding/encoding
Note that H.264 and H.265 are the video compression standards and x264 and x265 are FOSS video encoding libraries developed by VideoLAN.
Important distinction, thanks for clarifying because I always forget!
H265 is objectively superior in just about every way UNLESS you’re trying to play it on hardware that doesn’t support it. The only reason to use H264 is for broad compatibility.
The issue is more political than technical. Hopefully AV1 will fix that.
Pretty sure it’s just more of a hardware age issue. Smart TV makers don’t put much effort into their firmware, so if they don’t support a codec now they probably won’t support it ever. Devices made before a certain year probably won’t ever support H265. I suspect we’ll run into the same thing with AV1, unfortunately. It’s another objectively superior codec that will have compatible issues. 🤷
All my content is converted to CPU encoded x265. Size is MUCH smaller and quality better than GPU encoded x265. My preference is to get remux copies of the content and then encode it myself.
Could you share your encoding settings?
Let’s see if this works:
1080p Encoder Settings
2k Encode Settings
I don’t keep 4k content, I find that 2k encodes for the stuff I really want at high fidelity is enough with Nvidia upscaling (Nvidia shield). Plus surprisingly some of my 2k files are no larger than 1080p.
Can i ask what sort of size you’re getting with your settings?