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post #8071 of 8081 Old Yesterday, 02:34 PM
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Quote:
Originally Posted by DotJun View Post
Ok I see what you are doing now. All makes sense now that I see you example haha

I'm curious, when you do it this way, does mkvmerge demux the files temporarily before remuxing? I'd assume so as even makemkv works that way and its makemkv is just a different GUI for mkvmerge.
Mkvmerge creates and starts writing to the new file immediately, not 100% sure if that means no intermediate steps but that's what I've been thinking. Works well for me regardless, and as I posted earlier I also use mkvmerge to strip out unneeded subtitle tracks (after determining which track represents english foreign language "forced" subs) so it's an easy workflow for me.

However I see that the standalone mkvmerge gui app is scheduled to be deprecated in an upcoming release, with those features rolled into a new mktvtooolnix gui. So, another program to learn, and those screenshots I posted will probably not be much good in a few weeks lol.
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post #8072 of 8081 Old Today, 05:34 AM
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This thread has been rolled back to the most recent on-topic post. Some legitimate posts may have been lost in the rollback. For that, I apologize.

Stay on topic, please.
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post #8073 of 8081 Old Today, 06:26 AM
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For you Handbrake aficionados:
I'm experimenting with converting HDTV MPEG-2 captures from my TiVo's into H.264/AVC. The TiVo transfer software, kmttg has the option to decrypt and run Handbrake on the file to do it all in 1 shot from a single batch interface. kmttg runs Handbrake from the CLI and so the various Handbrake encoding "profiles" available in kmttg are just text strings of the Handbrake command line parameters. I can modify or create my own kmttg Handbrake "profiles".

Questions:
  • What is the directionality of the CRF factor? The profile I'm experimenting with has CRF=21 and appears to over-compress the source. If I want better quality with less compression do I increase or decrease the CRF.
  • If I install and run the Handbrake GUI to set up a bunch of parameters, can I get the CLI parameter string out of the GUI without actually running Handbrake, so I can use it to create my own kmttg profile?

- kelson h

The bitterness of poor quality lasts long after the sweetness of the low price is forgotten . . . life is too short to drink bad wine

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post #8074 of 8081 Old Today, 07:23 AM
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^^The lower to 0 the higher quality. 0 is placebo. I usually go with 20 for x264 blu ray rips and 18 for x265 blu ray rips.

Right now I'm re-encoding to x265 for the most part.

Not sure about the second Q.
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post #8075 of 8081 Old Today, 08:37 AM
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Quote:
Originally Posted by Kelson View Post
  • If I install and run the Handbrake GUI to set up a bunch of parameters, can I get the CLI parameter string out of the GUI without actually running Handbrake, so I can use it to create my own kmttg profile?
You can get the CLI parameters by starting an encode in Handbrake, then cancel it after it runs for a few seconds. The parameters will be listed in the encode log.
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post #8076 of 8081 Old Today, 11:04 AM
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Quote:
Originally Posted by jhughy2010 View Post
^^The lower to 0 the higher quality. 0 is placebo. I usually go with 20 for x264 blu ray rips and 18 for x265 blu ray rips.

Right now I'm re-encoding to x265 for the most part.

Not sure about the second Q.
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Originally Posted by Ken.F View Post
You can get the CLI parameters by starting an encode in Handbrake, then cancel it after it runs for a few seconds. The parameters will be listed in the encode log.
Thank you to you both.

I see Handbrake can really give your processor a workout. It pegged all 8 processors of my i7 and made the machine unresponsive to anything else. Meanwhile the CPU fan cranked itself up to a dull roar.
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Last edited by Kelson; Today at 11:07 AM.
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post #8077 of 8081 Old Today, 11:24 AM
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Quote:
Originally Posted by Kelson View Post
Thank you to you both.

I see Handbrake can really give your processor a workout. It pegged all 8 processors of my i7 and made the machine unresponsive to anything else. Meanwhile the CPU fan cranked itself up to a dull roar.
Yep! I kind of like that it gives my i7 a workout. I feel like it is utilizing the i7 to its full abilities. A few months ago I bought an NZXT x61 to get a little more headroom with the 4790k. I was able (only recently with a newer mobo) to get 4.6Ghz stable with a 1.275 core voltage. I only manipulated the multiplier in the BIOS too. Very east to OC in my opinion. Anyhow, the water cooler keeps it under 77C during those long x265 re encodes. The results are amazing though... I'm able to put my entire ~9TB collection on a 2TB external (only half full right now) all with 224Kb AC3 audio.

I'm all for x265 at this point. Granted, all my playback sources are laptops.
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post #8078 of 8081 Old Today, 01:19 PM
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OOC, how long does it take Handbrake to downsize a Blu-Ray ripped MKV file? My old 2.4 GHz Intel I7 takes about 45 minutes... Anyone with a faster PC can tell me how long it takes now? I am considering getting a sixth gen 4.0 GHz i7 computer and was wondering how much faster it would be....

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post #8079 of 8081 Unread Today, 04:25 PM
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Quote:
Originally Posted by Jon S View Post
OOC, how long does it take Handbrake to downsize a Blu-Ray ripped MKV file? My old 2.4 GHz Intel I7 takes about 45 minutes... Anyone with a faster PC can tell me how long it takes now? I am considering getting a sixth gen 4.0 GHz i7 computer and was wondering how much faster it would be....
That's kind of hard to answer. Changing a few settings can make a big difference in processing time.
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post #8080 of 8081 Unread Today, 09:56 PM
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Quote:
Originally Posted by Jon S View Post
OOC, how long does it take Handbrake to downsize a Blu-Ray ripped MKV file? My old 2.4 GHz Intel I7 takes about 45 minutes... Anyone with a faster PC can tell me how long it takes now? I am considering getting a sixth gen 4.0 GHz i7 computer and was wondering how much faster it would be....
Quote:
Originally Posted by Ken.F View Post
That's kind of hard to answer. Changing a few settings can make a big difference in processing time.
Very true! Nearly impossible to determine "length" of re encode. Movies with grain take much longer. Reducing profile makes things much faster.

If you're i7 is a 2nd Gen then a 6th Gen would be worth the upgrade. 3rd and 4th might not be worth the upgrade.

Perhaps Haswell-E would be worth the upgrade?
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post #8081 of 8081 Unread Today, 11:00 PM
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Quote:
Originally Posted by antisuck View Post
Mkvmerge creates and starts writing to the new file immediately, not 100% sure if that means no intermediate steps but that's what I've been thinking. Works well for me regardless, and as I posted earlier I also use mkvmerge to strip out unneeded subtitle tracks (after determining which track represents english foreign language "forced" subs) so it's an easy workflow for me.



However I see that the standalone mkvmerge gui app is scheduled to be deprecated in an upcoming release, with those features rolled into a new mktvtooolnix gui. So, another program to learn, and those screenshots I posted will probably not be much good in a few weeks lol.
I like the new mkvmerge GUI more than the old one.

Quote:
Originally Posted by Kelson View Post
Thank you to you both.

I see Handbrake can really give your processor a workout. It pegged all 8 processors of my i7 and made the machine unresponsive to anything else. Meanwhile the CPU fan cranked itself up to a dull roar.

Put handbrake on low priority. It'll still peg your CPU to 100% but it will give other apps you are currently using more processing time.
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