Questions tagged [x264]

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Encoding to the same H.264 size as YouTube

I am unable to re-encode an H.264 video that I downloaded from Youtube back to its original size. The MediaInfo is pasted below. The size of the video stream is 20 MB. I decoded the video into raw YUV ...
er0's user avatar
  • 111
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1 answer
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Intra-refresh mode in x264 encoder causes browser's player freeze

I'm building low delay live streaming with use webrtc. My server application use gstreamer and UDP as transport. It works fine except that lost UDP packets leads to too long drops. To improve user ...
misterx527's user avatar
1 vote
1 answer
3k views

Using FFMPEG to convert an MKV with multiple subtitles, audio tracks and chapters to a plain mp4

I have MKV files which contain multiple subtitle options, multiple audio options, and multiple chapters. I'm wanting to convert to MP4. The MKV's are x265 with DD 5.1. I just want x264 MP4's with ...
Adam's user avatar
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0 answers
306 views

ffmpeg libx264 core 157 vs core 164

For a while I have been using a build of ffmpeg from 2019: ffmpeg version N-94150-g231d0c819f Copyright (c) 2000-2019 the FFmpeg developers built with gcc 9.1.1 (GCC) 20190621 configuration: --enable-...
EllipticalInitial's user avatar
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1 answer
250 views

What x264 encoder is better for upscaling pixel art? Is it x264 8bit or 10bit?

I mostly use Virtualdub2 to upscale my videos (although I am looking for other methods) via two resize filters, Nearest Neighbor and Lanzcos3. Recently I am looking at the x264 encoder to encode my ...
GAP's user avatar
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0 answers
58 views

How do you batch resizes of Genesis videos in FFMPEG?

I am trying to a create 4:3 video upscale encodes with Sega Genesis videos that are usually around 320 x 224 using FFMPEG. While I had been advised to use FFMPEG (and AVISynth) in the past, it was ...
GAP's user avatar
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1 answer
251 views

Compiling x264 in MinGW

I'm trying to do a minimal build of ffmpeg in MinGW including x264. For some reason the x264 package depends on ffms2 which depends on ffmpeg which itself has a huge list of dependencies. I will try ...
Elliott B's user avatar
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1 vote
1 answer
1k views

Encoding: Insert keyframes at certain positions

I am trying to improve the perceived quality of certain predefined frames (like the frames 45, 99, 154, ...). Reason is, that the video is interactive and pauses at these keyframes until the user ...
David's user avatar
  • 13
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1 answer
279 views

Encode a 10bit raw video file

I have a raw file that's in gray10le format. Each gray value is 2 bytes but only the first 10 bits are used. I can't seem to get x264-10b to accept it as an input. x264-10b.exe --profile high10 --...
Cheng Chang's user avatar
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1 answer
741 views

I'm using H264 encoding to encode video capture from a webcam. How do I turn of rc lookahead?

I want minimize encoding latency per frame. Right now, there is a high increase in encoding latency on the 46th frame. I think lowering the lookahead value might help with this. How do I do this? ...
newuser's user avatar
2 votes
2 answers
5k views

How do I avoid objects having flickering edges when I encode a screen recording to mp4 using x264 and ffmpeg?

The Goal I'm creating short tutorials by recording my screen (720p30fps). The content is just a recording of using some desktop software - so mouse moving and opening dialogs, typing, drawing shapes, ...
Framerate's user avatar
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1 answer
2k views

Multiple FFmpeg input & output

I just want to know if it's possible to encode audio & video at the same time by FFmpeg -c:a libfaac for audio & x264.exe for video. and any example!
AL-KOON's user avatar
  • 37
6 votes
2 answers
9k views

Removing MP4 encoding information

Is it possible to remove certain information form a MP4 file? Specifically things like tagging and encoding dates, Writing library and application, Encoding settings... No client needs to know when I ...
eppic's user avatar
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2 answers
86 views

x264 quality results based on source

If I was to compare a 720p video encoded (using x264) from an untouched 1080p Blu-ray rip with the same video encoded at a similar bitrate but from a 1080p x264 rip, which one is more likely to look ...
ed0's user avatar
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1 vote
0 answers
2k views

Is there a simple explanation of x264 encoding parameters?

So, x264 is still the most popular (free) H.264 encoder out there. But it is also still considered ridiculously cryptic as well. There are tons of switches and options in the encoder that allow you to ...
WineSoaked's user avatar
2 votes
0 answers
68 views

How to see encoding progress in Compressor 4.1.3

Is there really no way to see progress of an encoding job in Apple Compressor 4.1.3? I started a batch (single job, one file) and this is all I see: My fan is blowing at full speed so I guess ...
Anentropic's user avatar
1 vote
0 answers
222 views

Libav/ X264 failed to compile with Hi422p profile and mp4 container support [closed]

My goal is to encode several videos from SD PAL captured in ProRes(HQ) 422 10bit through AJA Kona 3 to H264 with Hi422p profile in .mp4 container. I work on Mac OSX 9. I try the last x264 10bit ...
Daniel Julien's user avatar
0 votes
1 answer
171 views

OBS (Encoding X264) fails

Since a few days I have a new computer. Here my specifications: GTX 980 I7 5820k Windows 8.1 I'm trying to stream with Open Broadcast Software (OBS), but when I try to preview I already get frame ...
Harryaars's user avatar
16 votes
3 answers
60k views

encoding 4:2:2 in 10-bit with libx264

I believe that libx264 is now capable of doing 10-bit 4:2:2 encodings, but I can't seem to get it to work. I'm using ffmpeg (info below), and I've also tried the x264 encoder directly. I've tried ...
stib's user avatar
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