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Questions tagged [vp8]

VP8 is a video compression format owned by Google, encoded with the libvpx software library, and released under a 3-clause BSD license.

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webrtc: video stream not playing in chrome

I have pre-recorded opus and vp8 files. In a webrtc call I am trying to stream audio / video to chrome. While audio is played in chrome, but it fails to show video. I read from google search that first video frame I need to send as i-frame. I am bit…
Austin
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Distorted images from libWebP encoder

I had been using GDI+ & CxImage libraries for saving my images captured from the desktop and thought of moving to google's LibWebp as it is promising good quality images with better compression than JPEG or PNG. I capture the desktop either using…
iamrameshkumar
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Save RTP vp8 payload packets to .webm file

I have saved a video call to a .pcap file with Wireshark, and I want to acquire the video from RTP packets. RTP packets payload type is vp8, I could find out the vp8 RTP packets by using libpcap library in C++. Then I saved the contents of all RTP…
Ibrahim
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Gstreamer: encode a mp4 video to opus (audio track) and vp8 (video track)

I want to launch a opus/vp8 stream using gstreamer. I'm starting from the following snippet: #!/bin/sh gst-launch-1.0 \ audiotestsrc ! \ audioresample ! audio/x-raw,channels=1,rate=16000 ! \ opusenc bitrate=20000 ! \ rtpopuspay !…
pier92
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problem compiling vp8 for debugging on Cygwin

I have the following versions of Cygwin, yasm, gcc, and gdb: CYGWIN_NT-5.1 Thorondor 1.7.7(0.230/5/3) 2010-08-31 09:58 i686 Cygwin yasm 1.1.0.2352 gcc (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125) GNU gdb 6.8.0.20080328-cvs…
Arjun
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Stream RTP packets to FFMPEG

I get RTP stream from WebRTC server (I used mediasoup) using node.js and I get the decrypted RTP packets raw data from the stream. I want to forward this RTP data to ffmpeg. I create SDP file that describes both the audio and video streams and send…
Johnathan Kanarek
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Which codec is used for online video Streaming?

I am using WebRTC with kurento media server, as far as i came to know WebRTC supports VP8 for video Streaming and using opus for audio Streaming, So my question is if i want to compress the stream which includes both audio and video, so do i need to…
user2243471
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How to convert VP8 track with different frame resolution to h264

I have a .webm file with VP8 track, recorded from WebRTC stream by external service (TokBox Archiving). The stream is adaptive, so each frame in track could have different resolution. Most players (in webkit browsers) use video resolution from track…
Nikita
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How to pass VP8 encoder option programmatically in ffmpeg based program

I am building a program using ffmpeg libraries based on the standard ffmpeg transcoder example. My aim is to build video transcoder which encodes any suitable video (i.e. which ffmpeg can read) into WEBM format. The question is how do I pass options…
ivan.ukr
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About video communication

I'm a .Net developer who developing mvc web and wpf application. I'm currently working on a contact center project. I've build sip endpoint and many desktop application for them. So for our new project we need to develop some video conference…
orhun.begendi
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How to improve video quality of my quickblox chat app?

I've developing enterprise iOS app. On my app, I m integrating Quickblox for video call. As I know, quickblox ios sdk supports VP8, H264 for video codec. It's video quality is good but not great when make video call between android-ios…
gstream
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Grayscale video streaming from Google Glass using WebRTC

I'm trying to stream audio and video from a Google glass to a browser. The broswer just has to receive the video and audio. I compiled the google source code following the instructions here http://www.webrtc.org/native-code/android. So far, it…
Germán Goldenstein
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decode raw buffer with ffmpeg av_codec_video_2

I'm trying to write a decoder for a webrtc app in C. I receive a RTP stream, I parse every packet, reorder them, and put the payload in a AVPacket, as described here (FFmpeg decode raw buffer with avcodec_decode_video2). The reordering part is not…
will.I4M
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Webm (VP8 / Opus) file read and write back

I am trying to develop a webrtc simulator in C/C++. For media handling, I plan to use libav. I am thinking of below steps to realize media exchange between two webrtc simulator. Say I have two webrtc simulators A and B. Read media at A from a input…
Austin
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Recording Webm format in android mediarecorder settings or camprofile tweaking?

It may seem a dumb question, I have been working on this all night and could not get a webm video recorded from my mobile. mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); …
Chetan
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