Stack Overflow
Stack Overflow

Questions tagged [x264]

x264 is a free software library and application for encoding video streams into the H.264/MPEG-4 AVC format, and is is released under the terms of the GNU GPL.

Provides best-in-class performance, compression, and features.

Achieves dramatic performance, encoding 4 or more 1080p streams in realtime on a single consumer-level computer.

Gives the best quality, having the most advanced psychovisual optimizations.

Support features necessary for many different applications, such as television broadcast, Blu-ray, low-latency video applications, and web video.

x264 forms the core of many web video services, such as Youtube, Facebook, Vimeo, and Hulu. It is widely used in television broadcast and by ISP.

More information at http://en.wikipedia.org/wiki/X264

369 questions
-1
votes
1 answer

How to fix "fatal error: x.264 no such file or directory"

I wrote a makefile which builds a C program attaching the x.264 header. After trying to execute the makefile in terminal I receive the fatal error: "example.c line [line of #include ] x264.h no such file or directory". Below you can find the C code…
user11340790
-1
votes
1 answer

How to use direct264 in Directshow?

I am finding a h264 (x264) directshow filter for my application and i found project direct264 here: https://sourceforge.net/projects/direct264 When can see dump.ax from binary package but when i load it to GraphStudioNext (or try to register it by…
Phung Tien Trieu
  • 11
  • 6
-1
votes
1 answer

how to wide gamut ,convert from 8bit to 10bit

I know that the video we watched on the tv is compressed.The range of the gamut will be narrow.I want to know if there is a magical way can achieve the extending.Dolby claimd the Perceptual Quantizer(PQ)EOTE .there is two function Eg.the…
zhx
  • 9
  • 4
-1
votes
1 answer

What does ' wpredp' parameter do in x264 (or FFmpeg)?

I don't understand what 'wpredp' do? I've tried to find the description of 'wpredp' parameter but without success. Can somebody explain what it do?
Oleksandr
  • 2,821
  • 6
  • 28
  • 59
-1
votes
1 answer

Fastest method to add .ass (ssa, aegisub) SubStationAlpha subs to mp4?

So i have video file mp4, and without changing its quality i want to add ass hardsubs. i am doin this with ffmpeg: on windows: ffmpeg -i input.mp4 -c:v libx264 -preset:v medium -profile:v baseline -level 3.0 -movflags +faststart -vf ass=insubs.ass…
user3762355
  • 165
  • 1
  • 11
-1
votes
1 answer

x264 on Ubuntu video bad/corrupted

I am trying to use command line x264 to produce a blu-ray compatible file for use in Adobe Encore. For the source file I've tried both ProRes and mpeg2, both 1080p24. Both files import into Encore fine (no transcoding needed which is great) but…
Ryzone
  • 11
  • 3
-2
votes
0 answers

Extract Motion Vectors From x264 source code

If you are familiar with the x264 source code, where in the code I can extract the MV (motion vectors) of each frame? Can you point please to a line of code I can intercept and save the MVs to disk? Thank you.
Essam Aly
  • 1
  • 1
-2
votes
0 answers

ffmpeg 2 pass encoding- understand the statistics in the output .log file

I am using 2 pass encoder to encode my input video with a target bitrate. I want to get the encoder (x264) statistics from the first pass- these statistics are written to ffmpeg2pass.log the output for each frame looks like that: in:2 out:2 type:B…
Yaelvi
  • 1
-2
votes
1 answer

Failed to compile x264 library for android, error description: clang:error no such file or directory

I use a shell script to compile the x264 library to the android platform, the architecture is armeabi-v7a,The x264 library was cloned from github。 I am sure I have those directories,and I checked the search engine such as google,No one encountered…
Lee.Saipeng
  • 11
  • 4
1 2 3
…
24
25