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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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98 views

Most efficient way to re encode H.264 10-Bit to High profile or HEVC 10-Bit

For an odd reason my OLED TV can play HEVC 10-Bit files but only H.264 non-10-Bit. This output (video stream) from ffmpeg is played fine with HEVC 10-Bit: Stream #0:0: Video: hevc (Main 10), ...
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0answers
32 views

ffmpeg does not produce smooth videos from mkv h265

It's kind of subjective, but I'm not able to produce 100% smooth videos with ffmpeg. As input I use https://www.libde265.org/hevc-bitstreams/tos-1720x720-cfg01.mkv as a example.This is a h264 mkv ...
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1answer
38 views

HEVC 10 bit streaming to full HD TV

I have a low power desktop (ASRock Mod 1150 H97M with integrated graphics, Intel Pentium G3258 CPU, 1920*1200 monitor, Windows 10) which acts as a media server in my home. My TV is Sony/Android TV/ 55 ...
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0answers
103 views

gstreamer RTP over UDP network issue

I am currently trying to build a gstreamer pipeline that minimises the video streaming latency as low as possible. We are using WOWZA streaming engine as a server and TX1 as an encoder source. Due to ...
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1answer
37 views

Decode/encode 4:2:2 with a 4:2:0 decoder/encoder

Similar to Reinterpret AVC bitstream as HEVC. Some hardware codecs support 4:2:0 for 4k but not don't support 4:2:2 even for SD, with far less data. Can you trick a codec to encode 1920x1080 4:2:2 ...
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0answers
62 views

Reinterpret AVC bitstream as HEVC

I understand HEVC to be a superset of AVC. HEVC allows more 'tools' to extract more compression out of a video sequence. Is there a tool that converts an AVC stream to HEVC, completely ignoring the ...
3
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2answers
3k views

Windows 10 getting HEVC H.265 Codec to use Hardware Acceleration

Playing HEVC H.265 videos using Windows Media Player and GoPro Quik then the 4k 60 fps video appears all stuttering and becomes a slideshow. The CPU usage is going through the roof and it's not using ...
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0answers
393 views

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 framgmented mp4 for the hls/h265 stream to work on safari. I am able to ...
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0answers
23 views

I cant encode with HEVC reference software

I'm trying to encode yuv video (1080p , Bit depth:8 bit ,Frame Rate: 120 fps (progressive) ) im using HM-16.18+SCM-8.7 , this is my code in f.cfg file : InputFile : ...
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1answer
2k views

Best settings for converting from h264 to hevc?

I'm trying to convert some of my library to HEVC to save space. The idea being I re-encode the existing media and save 20-50% file size. What would be some recommended settings for converting and ...
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1answer
287 views

Set an excat GoP-length open and no-open in ffmpeg

ffmpeg -f rawvideo -vcodec rawvideo -s 1280x720 -r 50 -pix_fmt uyvy422 -i Test.yuv -c:v libx265 -x265-params keyint:150:open-gop -b:v 10M Test_open_150_10M.hevc As you can see, I'm trying to ...
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229 views

Video Type HEVC ! with ffmpeg

I use the following code for my video ffmpeg -y -i "1.mp4" -r 30 -g 50000 -q 22 -filter:v scale=650:-1 -c:v libx264 -c:a aac -b:a 320k -ar 42000 -pix_fmt yuv420p -b:v 1500k -strict experimental -...
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0answers
45 views

FFmpeg losslessly deconstruct video then losslessly re-encode

I need to dump all the frames losslessly from a h.265 mkv video, along with the audio track in FLAC 24bit (initially it was encoded from the source in FLAC 24bit). I then need to edit some frames and ...
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1answer
3k views

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 ...
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1answer
345 views

ffmpeg to convert *.mkv to mp4 using h.265

i was wondering, i have various misc video files in mp4 and mkv with various codecs and i wanted to convert all to mp4 with h.265 with aac as the codecs so i was wondering can FFMpeg handle that? I ...
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2answers
942 views

How to play h265 video in Windows Server 2012 R2 DataCenter OS?

I am unable to play an H265 Video on Windows Server 2012 Datacenter OS. The main reason - Win2012 Server does not know about the h265 video codecs. So decoder unavailable, due to this, it can't ...
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0answers
372 views

HEVC/H.265 GPU HW decoding and output to different card

I use a Kaby Lake CPU (i7-7700) to enable HEVC hardware decoding. Besides the embedded GPU I also have a NVIDIA GTX 970. My display is hooked up to the NVIDIA card. I'm trying to play the samples from ...
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0answers
804 views

Application streaming with H.264/H.265 in realtime to browser clients

I am trying to build a solution which streams the visual content of a windows application (built with Unity 2017) to browser clients. Those applications provide high quality content which needs to be ...
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2answers
4k views

Convert YouTube HDR (vp9.2) video to HEVC HDR with ffmpeg

My question is simple: how do I convert HDR vp9.2 videos downloaded from YouTube into HEVC (better if 10 bits) HDR videos? Yesterday I tried this command, which is the only one I could find in Google:...
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0answers
59 views

How to add trackcreatedate metatag to mp4 h265

I have a cliped i converted from h264 to h265, the clip is 40 minutes long. At the moment it doesnt have any metadata like quick time createdate or trackcreatedate, the only metadata present on the ...
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3answers
12k views

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 ...
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1answer
1k views

Can I mux H.265 into FLV by force?

We want to try H.265 encoded video stream, but the video cloud server vendor we are using only provides RTMP+FLV uploading port. I have made some search works, and it seems FLV do not officially ...
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1answer
2k views

Which Xeon processors have hardware support for H.265 encoding/decoding?

Looking to build a rendering machine for H.265 video: would I be better off with a Core i7/i9 because of built-in hardware accelerated H.265 encoding/decoding, or can Xeon processors support it as ...
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0answers
343 views

Why HEVC playback on Linux and Windows is different?

I have an old 2.7 GHz Dual Core machine on a DG41RQ motherboard, with 4 GB RAM. I tried to play a x265 encoded video (1080p) with VLC on Windows 7. The video was choppy and was lagging, while audio ...
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0answers
202 views

ffmpeg is not decoding HEVC video correctly when I use multiple QPs

I am doing HEVC based video coding on a video file. We have modified HEVC encoder and now it assigns three different QP values to three different regions in single frame. The output YUV file from HEVC ...
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0answers
283 views

VLC not applying video color adjustments

The changes in ADJUSTMENT AND EFFECTS doesn't effect the video played by VLC when I play 10bit HEVC video. I am running VLC 2.2.4 on Windows 10 professional. My PC specs: Intel i7 2640QM 8 GM RAM ...
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1answer
184 views

How to choose video encoding tecnique and parameters for visually lossless encoding

I'm converting some videos these days, most of them are encoded using wmv2 codec with a resolution of 720p or 1080p and a big (huge) bitrate (between 15 and 30 mbps) if compared to their visual ...
1
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2answers
7k views

HEVC/x265 :: VLC Player GPU Hardware Acceleration :: Intel HD Graphics 4400

I'm using a Laptop with configurations Intel(R) Core(TM) i5-4310U Haswell CPU / Intel(R) HD Graphics 4400 GPU / Windows 7. I've installed latest drivers (10.18.14.4414) to support HEVC/x265 Hardware ...
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1answer
373 views

How to restore unplayable H265 avi files produced by ffmpeg?

I have an input video file input.avi as produced by a digital camera $ avprobe input.avi avprobe version 11.7-6:11.7-1~deb8u1, Copyright (c) 2007-2016 the Libav developers built on Jun 12 2016 21:...
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6answers
26k views

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 ...
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0answers
929 views

Converting H265 to H264 causes artifacts in dark areas

I'm not sure if this is the right place to ask this, but I'll try anyways. I'm trying to convert a lot of HEVC (H265) videos to AVC (H264) and I'm getting all these nasty artifacts in dark areas. Does ...
2
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1answer
3k views

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 -...
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1answer
1k views

H.265 and Opus in Mp4 container - is it possible?

I have an MKV file with HEVC video and OPUS audio. It plays great in all players. The problem is that I need it to be streamable. When VLC plays an MKV from the web, it first downloads it and then ...
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1answer
10k views

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 ...
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1answer
2k views

ffmpeg HEVC with HLS specific fragment duration

I use a 10bit build of ffmpeg/x265 to run the following command where I decode an input x265/10bit video, pipe it into another cmd line tools and pipe again the output into a new ffmpeg instance where ...
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1answer
148 views

How does DivX converter estimate the bitrate for H.265?

I have tried DivX converter for H.265. How does DivX converter estimate the bitrate value for H.265 output file? Is it such algorithm that e.g. when the original file size has 60 Mbit/s bitrate, then ...
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1answer
903 views

Mux .aac and .h265 together using ffmpeg

I found some example codes on the internet and built a program to encode a live feed from a webcam or yuv file using h265. I used the libx265 for this with ffmpeg. Now i want to mux an aac file with ...
9
votes
1answer
17k views

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 ...
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1answer
5k views

FFmpeg HEVC -crf attribute

I am using FFMPEG version 20140406-git-59c1023-win32-static with the following cmd ffmpeg -i "C:\1.mkv" -c:v libx265 -crf 18 -preset veryslow "C\2.mkv" The produced output filesize from running this ...
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4answers
10k views

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 ...
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3answers
77k views

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 ...