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Questions tagged [hevc]

HEVC (High Efficiency Video Coding) is a video compression standard developed jointly by ISO/IEC and ITU-T as a successor to H.264/AVC (Advanced Video Coding). The standard was ratified in April 2013.

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HEVC encoder with 10 Bit

Hi I'm trying to encode Images with the HEVC Encoder HM 16.8. As soon as I change the InputBitDepth in the cfg- File to 10 Bits i get the following output: SUMMARY -------------------------------------------------------- Total Frames | …
resatee
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Encode TIFF image using H.265 (HEVC) codec

Is it possible to encode image within TIFF file using HEVC codec? Command: ./TAppEncoderStatic -i cubeImag.tif -wdt 1296 -hgt 1296 -cf 400 -fr 1 -f 1 -c ../cfg/encoder_intra_main_rext.cfg But I am unable to do it. Any ideas?
Pedro Fernandes
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How can we built History map in HEVC?

How can we keep historical information of previous frame Information which can be used in future frames Encoding?
Malik Asfandyar
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X265.MKV Encoding Result Comparison w/VLC

Is it possible to open two instances of VLC media player, with one displaying the source video file and the other displaying the encoded handbrake result. And then to extract the frame from each player and walk through each pixel value summing the…
William Hatfield
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HEVC transform quantized coefficients using ffmpeg

i'm using the HEVC codec with ffmpeg(version 2.7.2 ). Since I'm not able to write a one-line command in order to read/save the quantized transformed coefficients for each CU and frame, I would like to know if anyone can help me modify the original…
dasy
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Modifying HEVC HM reference codec

I'm very new to the field of HEVC codec. I'm using the HM reference code version 10.1. My task is to make block size up to 128x128. So, what I tried was in the configuration file I set the parameters MaxCUWidth, MaxCUHeight as 128 and 128…
Malik Asfandyar
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How does x265 calculate bitrate?

I'm using x265 to encode a video. A get the bitrate summary and bitrate for each group of encoding frames. When I calculate the average bitrate of the groups it does not converge with the summary bitrate. Any ideas about how x265 calculates summary…
zinon
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FFMPEG gets stuck on higher resolution or frame rate [H265]

I am running the following command which works perfectly on my system running Elementary OS on Intel Corei5: ffmpeg -f v4l2 -i /dev/video0 -c:v libx265 -x265-params…
Anakooter
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HEVC CU level profiling

I would like to obtain the CU/PU level info on the HEVC HM decoder. I also want to get some stats to see how much on average it takes to decode diffferent types of CUs (intra, inter - uni/bi directional). The exisiting debug in the HM coder is not…
Rosh
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Android Lollipop HEVC sample

The following link is showing new features for H.265 High Efficiency Video Coding (HEVC) for optimized encoding and decoding. But, I can not find any sample for using this api. Is there any example or code sample available ? Android Lollipop new API
coder
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Transform filter cannot connect hevc/AVI file to renderer

I have made a transform filter for hevc codec .It is getting connect for other media file format but with avi file it is not connecting on output side to renderer. I thought the issue was with respect to dynamic format change but even after…
Mohan
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where to look for vps,sps,pps of Hevc mp4 format in DirectShow filter?

I have Created Hevc/mp4 bit stream using ffmpeg successfully. But after analysing in hex editor, I am not able to locate VPS, SPS, PPS data in mp4 file. Then I have used LAV Splitter and checked output of splitter but it is sending data of first…
Mohan
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C++ code to read HEVC video and extract frames

Could any one help me how to read HEVC video and extract frames using c++. I tried using matlab , but matlab cannot read HEVC videos. Can anyone help me how to read HEVC videos using C++ in windows 7 and extract frames, so that I can perform some…
user2290742
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HM encoder 16.4 predMode is 2

I want to determine if a CU has been intra or inter encoded with the HEVC reference software HM 16.4 encoder. In TEncSlice.cpp, after a CTU has been compressed (m_pcCuEncoder->compressCtu( pCtu );), I should be able to tell if a CU is intra or inter…
damjeux
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Parsing HEVC Stream for non IDR frames

I parsed the HEVC stream with this code (after converting bytes to hex format) string[] NALunit_string = Regex.Split(fsStringASHex, @"000001|00000001"); but after looking at the NAL units types, I can find some with reserved types. Is it normal?
user3569998
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