Super User
Super User

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

105 questions
86
votes
16 answers

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
  • 1,137
51
votes
3 answers

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
  • 613
13
votes
5 answers

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
  • 465
  • 2
  • 4
  • 9
13
votes
4 answers

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 a file to HEVC using hardware acceleration. This is a successful attempt: ffmpeg -v verbose -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -i '/path/file.mkv' -vcodec libx265 -crf 28 '/path/file.mp4' But it is…
16851556
  • 672
  • 2
  • 8
  • 19
12
votes
1 answer

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
  • 7,863
11
votes
2 answers

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
  • 273
  • 1
  • 3
  • 8
10
votes
2 answers

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
  • 201
9
votes
2 answers

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
  • 225
8
votes
1 answer

hevc_nvenc option information

I tried to encode to hevc_nvenc but the documentation on FFmpeg is too less and all options are not clearly defined. So if anyone can be good enough what all options do and what settings and filters can be used with which setting to get a good…
Soul Spark
  • 142
7
votes
2 answers

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
  • 73
6
votes
1 answer

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
  • 729
5
votes
1 answer

How to convert heic format to jpeg format

The ffmpeg master branch already supports the heic format. How do I pass parameters using the ffmpeg command to convert heic images to jpeg images of other resolutions? ffmpeg -i test.heic output.jpg, this command only transcodes part of the heic…
zejia lin
  • 51
5
votes
1 answer

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
5
votes
5 answers

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
  • 251
4
votes
2 answers

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
  • 207
1
2 3 4 5 6 7