If I understand correctly, I-frames are the frames that are unaltered during video compression. I want to extract the exact timestamps of these I-frames and save the output in a txt file. How do I do this? I found this code that saves the I-frames as images and labels them according to their frame number, … Read more
I have some videos of a slide presentation with audio and need to put them in a wmv container. These videos are intended to be viewed with Windows Media Player. I initially made the mistake to use the H.264 codec with libx264 encoder. It turned out that a H.264 codec inside a wmv container is … Read more
This video is not playing in pc I have tried vlc 3.0016, Media Player classic and pot player but did not able to figure out the correct configuration to run the video. Any suggestion of any other player or configuration of current player may help. This is my system specs and Media info\ Processor Intel(R) … Read more
i’ve been trying to make dnxhr 12 bit files using ffmpeg and it always seems to come out as 10 bit. when i’ve checked, it seems that my installed ffmpeg says it should be able to do this but ffprobe on the resultant file always says 10 bit. this is the version of ffmpeg i … Read more
I would like to figure out how to extract a H.264 video stream from an Avigilon .ave custom container. Unlike with here where they are using ffmpeg to extract the elementary video stream, when I try to do it with ffmpeg it responds: moov atom not found error which probably means that the container/format has … Read more
We are trying to set up an experiment where the subject will listen to auditory stimuli while watching a movie. We generated the WAV audio files using a PCM codec (pcm_s16le). The AVI video was generated using a Matlab script and is MJPEG format. We’ve carefully calibrated the video and audio for the experiment, so … Read more
The machine I am using: OS Windows 10, 6Gb Ram, NVidia 970GTX and AMD FX6300 CPU, the media player is the latest 5k player display is 4k TV and I am trying out 4k movies, but they lag really badly. I am enabling Hardware acceleration on 5k player for h264 both encode and decode, but … Read more
I’ve got an Android Umidigi smartphone that records 3GP video files. I’m trying to get these to play on a Windows 7 x64 machine. For these video files, GSpot displays the following information: Audio Codec: mp4a: MPEG-4 AAC LC Info: 48000Hz 128 kb/s , mono (1/0) Stat: Status Undetermined Video Codec: avc1 Name: H.264/MPEG-4 AVC … Read more
I am trying to find a way to concatenate videos I am getting from an NVR. To my understanding, the video is encoded with H265, but I am not able to find more information on the specific codec (0x35363248). Below is the dump from ffprobe ffprobe version 4.2.1 Copyright (c) 2007-2019 the FFmpeg developers built … Read more
Windows Media Player not playing MP4 files, even after I try to install Klite codec pack and media.player.codec.pack I have looked at “windows media player cannot play the file” mp4 but that person’s problem seemed to be related to certificates When I try to play any MP4 I get the error I tried installing I … Read more
