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Questions tagged [h.265]

H.265 (also known as HEVC) is the successor to the popular H.264 video codec, which is supposed to improve its performance by 50% and more

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How can I view .HEIC photos on Linux?

How can I view .HEIC photos (the new default format on iOS 11) on a Linux desktop, without uploading them to some cloud service? Is there an image viewer, image converter, or browser with support for .HEIC, either released or not-yet-released?
Ivan Kozik
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How to generate an MP4 with H.265 codec using FFmpeg?

I want to encode a video file to H.265. The last version of ffmpeg should be support H.265 (Source). However, I could not find any information about the exact command. I do not know, which library I should indicate after -vcodec. I use the lastest…
skull3r7
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What H.264/H.265 video compression parameters provide DVD-equivalent quality with better compression?

I have got a box of DVD video disks that I seek to get rid of while I'd like to keep the videos by converting them into MP4 files to store them on a hard drive. Considering superiority of the modern H.264 AVC and H.265 HEVC compression algorithms…
Ivan
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Extract HEVC bitstream with ffmpeg

I would like to extract the raw .265 bitstream from HEVC mkv file. I use this: ffmpeg.exe -i hevc.mkv -an -vcodec copy -f hevc bitstream.265 I got this error: Requested output format 'hevc' is not a suitable output format However, HEVC demuxer…
Mark
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Generate hls stream using h265 codec

I am trying to convert h264 video to an hls stream which uses h265 codec. As this bitmovin article suggests, we need to use fragmented mp4 for the hls/h265 stream to work on safari. I am able to convert h264 to h265 properly using this…
formatkaka
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Is it possible to get FFmpeg to use hardware acceleration for HEVC transcoding on macOS?

I have a MacBook Pro with a Kaby Lake processor running macOS High Sierra (10.12). Is it possibe somehow to setup FFmpeg to utilize hardware encoding of HEVC with toolbox, instead of libx265?
Misha
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Setting the profile level for libx265 using ffmpeg

I'm trying to set the profile level of libx265 to mainstillpicture using ffmpeg. But I can't seem to do so. I'm basically trying to encode every frame as intra frame (only spatial encoding) with no temporal encoding. I've tried the following…
Bubba
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ffmpeg hevc_vaapi: Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'

on Linux i am trying to encode file to H€VC using hardware acceleration. Successful attempt is: ffmpeg -v verbose -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -i '/path/file.mkv' -vcodec libx265 -crf 28 '/path/file.mp4' but it is slow like…
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Understanding pixel format and profile when encoding 10-bit video in ffmpeg with nvenc

I am trying to encode a 10-bit H.265 video from a 8-bit H.264 source using ffmpeg with CUDA hardware acceleration. Without hardware acceleration, a typical command would be ffmpeg -i input.mkv -pix_fmt yuv420p10le -c:v libx265 -crf 21 -x265-params…
Isabella
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Re-encode 4K video to H.265/HEVC with FFmpeg for playback in QuickTime

I have a one hour 4K video which was weighing in at 10 GB. I thought I'd try re-encoding to HEVC using FFmpeg to try to save space, something I hadn't tried before. However, I switched the container format from .m4v to .mp4, which I didn't realize…
rgov
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Trouble playing 1080p HEVC format on VLC, MPC, Potplayer

I am having trouble playing HEVC 1080p file on my system. I don't have a really strong PC, but I will give the facts: Ram: 2GB OS: Win 7 ultimate processor: Pentium(R) Dual-Core T4500 @2.3Ghz Graphic Chipset: Intel GMA4500M I tried the latest…
4-K
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How to set the number of B frames in FFmpeg for H.265 encoding?

I would like to re-encode an MPEG4 video into H.265 and want to manually control the number of B frames in the encoding. I tried the following command: ffmpeg -i test.avi -c:v libx265 -preset medium -x265-params crf=23 bframes=0 test_HEVC.mp4 as…
chronosynclastic
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Playback stuttering with video in HEVC / H.265 with Windows 10/11

I have a problem that I was hoping to solve by formatting the PC. I have always been able to play smoothly on each player 2K 59.94fps video files with H.265 codec (HEVC) filmed with a GoPro 8 with a bitrate of 100 Mb\s. I generally use MPV player…
Kyashan
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Are HEVC and H265 same? In FFmpeg they give different results why?

Recently I re-encoded a H264 video to HEVC using FFmpeg and Intel hevc_qsv hardware acceleration and libx265. hevc_qsv results in higher sized video and libx265 results in 50% lower sized video. I Googled h265 vs HEVC it says they are same. If they…
Harishkumar P
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Is it possible to encode a video with a solid color background using h.265 so that the background color remains stable?

I'm trying to incorporate a video into a web page, where the video has a solid color background that matches the background color of the page, as well as a small animated character moving around within it. If I encode the uncompressed video with…
Bri Bri
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