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Questions tagged [libx265]

C/C++ library that encode video streams into H.265/HEVC format

It provides an C++ implementation for Linux, Windows and OSX to encode video streams in format.

libx265 official site is videolan and the source is available from the repository http://hg.videolan.org/x265.

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x265: I don't get full statistics per frame during encoding process

I'm using x265 on Ubuntu 12.04 server. I'm using the command --log-level 4 to get full statistics per frame by I only get frame rate per frame. This is the output: yuv [info]: 560x448 fps 40000/1000 i420p8 frames 0 - 589 of 590 raw [info]: output…
zinon
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How to compile FFmpeg with libx265 for Android?

I have compiled FFmpeg with libx264(as static library) for Android successfully. But I want to use libx265(as static library) in FFmpeg on Android, too. So I have made some attempts: First, I fixed libx265's log2 function and posix_memalign function…
user3032481
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How does x265 calculate bitrate?

I'm using x265 to encode a video. A get the bitrate summary and bitrate for each group of encoding frames. When I calculate the average bitrate of the groups it does not converge with the summary bitrate. Any ideas about how x265 calculates summary…
zinon
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Why does ffmpeg say "cannot find preset"?

When trying to transcode an input to x265 ffmpeg tells me "preset veryslow not found": ffmpeg -i -vf scale=xxx:yyy -c:v hevc -preset veryslow
monochromec
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How YUV reconstructed file is produced in open source x.265 encoder?

As x.265 encoder produces reconstructed yuv video file after decoding and I know, in open source x.265 encoder you input raw yuv video and it generates HEVC file for you along with reconstructed YUV file. My question is, can I input HEVC file…
Muhammad Abu Bakr
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CentOS 7.4.1708: ERROR: x265 not found using pkg-config

I'm trying to compile ffmpeg with Nvidia support following the guides on https://trac.ffmpeg.org/wiki/CompilationGuide/Centos and https://developer.nvidia.com/ffmpeg. I've ended up with the following command: PATH="$HOME/bin:$PATH"…
Adrian
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