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Questions tagged [h.265]

High Efficiency Video Coding (HEVC) or "H.265" is a video compression standard, a successor to H.264/MPEG-4 AVC (Advanced Video Coding) currently under joint development by the ISO/IEC Moving Picture Experts Group (MPEG) and ITU-T Video Coding Experts Group (VCEG) as ISO/IEC 23008-2 MPEG-H Part 2 and ITU-T H.265.

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H.265/HEVC web browser support

Are there any web browsers out there that can playback the H.265 / MPEG-4 HEVC codec in a html5 video element? On what platform or hardware? I heard rumours about HEVC support in Edge when hardware decoding is available. With current GPUs and CPUs…
Duvrai
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Convert videos from .264 to .265 (HEVC) with ffmpeg

I see that there are a few questions on this subject but I am still getting errors. All I want to do is convert videos in my library to HEVC so they take up less space. I've tried this: ffmpeg -i input.mp4 -c:v libx265 output.mp4 ffmpeg seems to…
John Terragnoli
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ffmpeg Invalid data found when processing input h264 to h265

I want to convert video files from h264 to h265. The command I use worked for many files so far, but now I get an error for some files: # ffmpeg -i rst.mkv -vcodec hevc -x265-params crf=28 -sn -acodec copy -map 0 out.mkv ffmpeg version 2.8.6…
ddio
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FFMPEG hevc_nvenc "No NVENC capable devices found" with NVidia GTX950M

I get the error "No NVENC capable devices found" when trying a simple encoding like this, even skipping audio to make sure it's not an audio problem: ffmpeg.exe -i input.mp4 -c:v hevc_nvenc -an out.mp4 I also tried with more details, like setting…
NaturalBornCamper
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Determine if iOS device can support HEVC encoding

My problem is I want to use AVVideoCodecHEVC. I know that it's only available in iOS 11, but device's without the A10 chip do not support it. So, using if #available(iOS 11.0, *) { let self.codec = AVVideoCodecHEVC } Will throw Cannot Encode error…
Clayton J.
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Parsing hevc bitstream

Is there a way to parse an HEVC bitstream file? I want to be able to create a new bitstream file having selected nal unit packets selected from the original bitstream file. Edit: I inserted my code. Please find my bitstream file here. #library for…
zinon
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How to stream in h265 using gstreamer?

I am trying to use latest gstreamer and x265enc together. I saw that someone have already posted some commits in http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/log/ext/x265/gstx265enc.c Can anyone please give an example pipeline where it is…
tapas ..
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Translating Handbrake options to a FFMPEG command

I want to convert a bunch of videos from x264 to x265, but I need to do so with ffmpeg in terminal because it's a remote server. These are my Handbrake options (listed items are ticked): Summary tab Web optimized Align A/V Start Dimensions tab…
Arif
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Why did H.264, MPEG-4 HE AAC stop working on iphoneXS/Max?

Issue regarding NEW hardware I have been investigating like crazy, and haven't found any hints to why my H.264 encoded videos have stopped working on these new devices. Context: Direct from the ios device, the original is sent to s3, aws elastic…
Ryan Romanchuk
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Playing H.265 video file using AVPlayer

I am trying to play H.265 video file using AVPlayer(Both in iOS 10,11). Following is the code: let fileUrl = Bundle.main.url(forResource: "sample-h265-360", withExtension: "mp4") player = AVPlayer(url: fileUrl!) player?.play() Audio is playing…
Bharath Reddy
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ffmpeg won't recognize x265 options

I am trying to use ffmpeg's built-in x265 library to process .VOB files through h.265codec. What I understood from the ffmpeg documentation was that: -c:v libx265 tells ffmpeg to use the h.265 codec for video streams -x265-params passes options to…
cdpp
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HEVC (h.265) intra-prediction

I am working on a project in implementing HEVC intra-prediction with MATLAB. I have read so many articles to write the codes in MATLAB and finally I have done that. (one of the most useful one was this article: Intra Coding of the HEVC Standard) The…
manpmanp
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Read H.265 and VP9 frame?

I'm trying to compare 3 videos that are encoded by H.264, H.265, and VP9. All of them are made by a same YUV video. I want to use OpenCV's function to read each frame of the video and do some comparison: VideoCapture vCap1, vCap2,…
Dia
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How to reduce Gstreamer Latency?

I wrote a pipeline that grabs a 720 X 576 image from a 1920 X 576 sensor with the v4l2src element on a Nvidia jetson xavier nx. The pipeline grabs the frame and then does 2 things: pushes the frame to the appsink element encode it and stream with…
Nir Rafman
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Where can I find HEVC \ H.265 specs

I'm looking for HEVC \ H.265 specs (especially for hvc1 and hvcC atoms) but I'm not able to find them on-line. Is there a free spec for HEVC on-line?
Alex L
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