Questions tagged [h265]

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Nginx RTMP didn't accept HEVC h265 input format

I'm trying to created live event broadcast on my VPS server , to make the audience able watch my broadcast I use Nginx RTMP that's produce link at this format http://192.168.1.5:8080/hls/live.m3u8 ...
Salem F's user avatar
  • 131
1 vote
0 answers
283 views

VLC doesn't play mp4v video converted with VLC to h264/h265

VLC reports the original video as: Codec: MPEG-4 Video (mp4v) Video resolution: 8192x8192 Frame rate: 7.549296 I am using the Convert / Save option to convert the video using the following profile: ...
Greg's user avatar
  • 121
1 vote
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1k views

Why has grayscale a higher bitrate than YUV with H.265/HEVC?

For compression purposes, I am re‐encoding a grayscale video to the H.265/HEVC codec. Although the input video is more or less perfectly grayscale in aspect, it is provided in the yuv420p pixel format....
Maëlan's user avatar
  • 111
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Why, in FFmpeg with libx265 the timestamp tbn parameter is always 1k even when it seems not logical?

I encode with ffmpeg and noticed that when I encode a y4m video in 29,97 FPS into a h265 video with libx265, the parameter of the two videos are the following : original y4m : 29.97 fps, tbc : 29.97 ...
Nils Beaussé's user avatar
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During h264 -> h265 conversion (single-pass), can I somehow eliminate these artifacts?

I'm trying to transcode a h264 stream to h265 for better bandwidth utilization, but I got massive artifacts on h265, which were not presented on h264: I'm using ffmpeg to do this, on a live stream (...
Daniel's user avatar
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Is having the same bitrate with half the resolution wasteful?

If I scale a UHD video into 1920x1080, and keep the same bitrate, would it offer any benefit compared to reducing the bitrate in proportion to the resolution change (here, halving it)?
SeetheMoar's user avatar
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2k views

Help decoding video from hardware encoder

I obtained this video from directly reading the memory of a hardware encoder. The encoder supposedly produces a HEVC (H.265) or H.264 video stream, but I can't accurately play or convert the file with ...
Telmo Marques's user avatar
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2k views

Replacing I-frames in h265 stream

I'm trying to follow this tutorial: https://www.reddit.com/r/brokenanimegifs/wiki/tutorial Everything works perfectly. On the basis of this tutorial, I even created my own little tool. It just ...
bukkojot's user avatar
  • 675