人缺钾有什么症状
百度 在老屋的石阶前，在雨打泡桐的清晨，在飞驰的列车窗下，不知多少次想起这些句子。
The process of converting a media file from one format to another or changing the compression settings used.
11 questions
8
votes
1
answer
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What CRF or settings I should choose for h265 in order to achieve a similiar quality of h264?
I'm doing some experiments with HEVC x265.
I have a raw footage and the quality of details of h264 with same CRF setting looks better than h265.
Shouldn't be the opposite?
Maybe my setup isn't the ...
- 1,740
8
votes
2
answers
26k
views
Combine video and audio TS segments coming from HLS stream
Apple HLS streams MPEG-2 TS files containing video and audio data in packetized elementary stream format. These segments (.ts files) can be joined in order to build final video.
Recent version of HLS ...
- 181
7
votes
2
answers
9k
views
what graphics card features effect NVIDIA NVENC hardware encoding speed?
I have a web project I am working on that requires transcoding of multiple short video clips (6-10 seconds) uploaded by users into a web friendly H.264 format on my linux server. I have been able to ...
- 197
2
votes
1
answer
2k
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Compress or convert .mov to lighter format
My camera records videos in .mov format, what can I use to edit out the audio and lower it's size in a Windows environment?
- 123
1
vote
2
answers
5k
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FFmpeg does not preserve colors after resizing
I would like to resize a 4K mkv video to 1920×1080 with ffmpeg version 3.4.6-0ubuntu0.18.04.1 on Ubuntu 18.04. The original file has the following features:
Input #0, matroska,webm
encoder : ...
- 111
12
votes
1
answer
21k
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Video converted by FFMPEG has a different duration, why?
I convert videos using FFMPEG. My goal is to convert them to the MP4 container format (MPEG-4 Part 14) with AAC-encoded audio stream and MPEG-4 part 10-encoded video stream.
I use the following line ...
- 223
5
votes
2
answers
613
views
Web Videos via Watch Folders Transcode
What I am looking to do is fairly simple, however seems complicated in theory.
What I need to do is be able to have a folder where all video files placed in the folder, are transcoded to all ...
4
votes
1
answer
6k
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Intra-frame H.264 / H.265 compared to DNxHR or Prores as intermediate codecs for editing
IMPORTANT: ISSUE SOLVED (STILL A COUPLE OF QUESTIONS, THOUGH), I POSTED SOME INFO BELOW THE ORIGINAL POST AS AN UPDATE IF SOMEONE FINDS THIS USEFUL:
Quick question: what are the advantages of using ...
- 41
2
votes
1
answer
5k
views
How to choose the right bitrate, H.264 profile and level for Web Video presentation?
I want to start producing videos and looking around the internet for usual bitrate ranges (VBR) and H.264 profiles and levels for Web Video exports.
I found some guides with Vimeo and YouTube and ...
- 123
2
votes
0
answers
146
views
Transcoding AVCHD MTS to Motion JPEG on a Mac
Bigtime video neophyte and I've not been able to figure this out after a day of trying. Hopefully this isn't a big deal - pls assume I know nothing.
I have some AVCHD MTS files from my camcorder ...
- 21
2
votes
2
answers
156
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How can I efficiently convert MOV / MPEG-4 files for long term storage?
I have a Canon 6D DSLR that I am shooting video on. The camera is set to capture 1280x720 60fps IPB MOV / MPEG-4 files. The video files are in the range of 250MB per minute of recording. I have ...
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