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Questions tagged [libvpx]

libvpx is a package, from the WebM project, that provides the reference implementations of the VP8 Codec, used in most current html5 video, and of the next-generation VP9 Codec.

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Building libvpx with Visual Studio 2015 on Windows 10 using Bash

I've found a bug in libvpx which is impeding my use of alpha in videos. I've fixed the bug but it means I must rebuild libvpx (the prior build is lost in the mists of time except for the headers and libraries). I've fetched version 1.6.1 and…
hatcat
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FFmpeg - selecting appropriate bitrate for VP9 encoding

I am looking to encode a 4k video shot with iPhone 6s in VP9 in the best quality possible. For reference, stream data of the video I would like to encode, via ffprobe: Duration: 00:00:10.48, start: 0.000000, bitrate: 46047 kb/s Stream #0:0(und):…
sobutterysosmooth
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FFmpeg CRF control using x264 vs libvpx-vp9

I have some experience using ffmpeg with x264 and I wanted to do a comparison with libvpx-vp9. I tested a simple single pass encoding of a raw video, varying the crf settings and presets both with x264 and libvpx-vp9. I am new to libvpx and I…
igon
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How to build libvpx android aarch64

I have built static library for android armv7. Now I'm need to build for aarch64, but cannot find documentation. What I need pass to configure for build static aarch64 library?
Hakob91
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Installing FFmpeg on Ubuntu 14.04 LTS fails on libvpx

This is the process I'm currently following: Install the Dependencies sudo apt-get remove ffmpeg x264 libx264-dev sudo apt-get update sudo apt-get install build-essential subversion git-core checkinstall texi2html \ libfaac-dev…
lephleg
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Find better VP8 parameters for robustness in UDP streaming with libav/ffmpeg

I'm facing some problems in my video chat application, which is using libav libraries. I am sending 1080p videos encoded in VP8 as WebM container via UDP and it works quite well. Most of the time, the decoder on either side recovers from packet…
lmNt
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Error ffmpeg and libvpx to convert to webm

I have a problems with Ffmpeg and Libvpx on Centos6 Server. Command: ffmpeg -y -i /var/www/f1ccd3a27d36270492ce660da358b436.mp4 -t 99 acodec copy -vcodec libvpx -f webm /var/www/f1ccd3a27d36270492ce660da358b436.webm 2<&1 Output: FFmpeg version…
Olaf Erlandsen
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Compile Linphone for Android

I'm facing an issue on compiling the NDK code. I'm using Ubuntu 10.04 x64. Basically i have performed the following steps: Download the NDK. (I also tried the last one but the same issue) Open terminal and make sudo -s. Input the root…
silviu
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How to solve "Error: can't open elf64 for reading: No such file or directory"

I was compiling libvpx-1.7.0 on ubuntu-20.04 the configure command is: ./configure --disable-vp8 --enable-vp9 --enable-libyuv --target=x86_64-linux-gcc --enable-debug --disable-install-docs --log=yes --enable-internal-stats --disable-unit-tests…
Spring Lee
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FFMPEG: Convert WebM VP8/VP9 multi-resolution video to MP4 (H.264)

I have been trying to convert a multi-resolution WebM video ( VP9/VP8/H.264 ) (1280 x 1080 till the half, thereafter 1080 x 1280) to MP4 container with H.264 encoding for video. When transcoded with FFMPEG is locking into the frame size it's…
thedeadalive
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Rails FFMPEG - convert to webm gives error for encoder 'libvpx-vp9'

I am testing video conversion to convert video file into mp4 and webm. I have also setup ffmpeg and compiled properly.Mp4 conversion succeeds but webm breaks always complaining as - The encoder 'libvpx-vp9' is experimental but experimental codecs…
Milind
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ffmpeg convert to webm error "too many invisible frames"

I need to convert any format (for example, mp4, avi etc) to .webm with own ioContext. I build ffmpeg with vpx, ogg, vorbis, opus and create simple project. But when i write any frame i get error "Too many invisible frames. Failed to send packet to…
Вадим Коломиец
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ffmpeg is preferring to encode in VP9 but I'm trying to encode in VP8

I'm trying to encode webm video files specifically in VP8, but ffmpeg is forcing VP9. I'm using -c:v libvpx, which to my knowledge is supposed to be VP8, but when it encodes I see it's encoding in VP9 instead: ffmpeg -framerate 7 -loop 1 -i…
user1689634
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Is there any WebM libvpx .Net wrapper?

Is there any WebM libvpx .Net wrapper to encode for example video created frame by frame from your C# code? (I know that in theory it can be done using DS filters but I do not want to mess with it..)
Rella
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How to build vp8 for armv6 on windows

I'm trying to build vp8 for android armv6 but with no luck I tried to set --target=armv6-android-gcc but i get Unrecognized toolchain 'armv6-android-gcc' error but --target=armv7-android-gcc works just fine. how should i do it ?
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