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Questions - hevc

What is the YUV format of the decoded hevc file with using libde265

i'm using libde265(www.libde265.org) to decode my hevc file in c++ project and try to save the decoded YUV as pictures. But i hava a problem to find the address of the Y,U,V values in c++ project. Doe...
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Ivan

c++

yuv

hevc

Votes: 0

Answers: 1

Latest Answer

I have tried many things :-) And i think that is YUV420P and has 3 planes. Using the method const uint8_t* de265_get_image_plane(const struct de265_image*, int channel, int* out_stride); we can get t...
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Ivan

Extreme High Quality HDR livestreaming using FFMPEG/SRT with hevc_nvenc

So I am working out and just testing different encoder settings and I wonder if someone has some insights , it works OK now but maybe I can improve stuff. first lets start with my whole command, lets ...
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finnjaeger

ffmpeg

hevc

hdr

nvenc

Votes: 0

Answers: 0

Decoding HEVC file in C++ with FFmpeg missing one frame

I'm trying to decode my Hevc file in c++ with using FFmpeg. I used Hevc decoder and try to save the frames in ppm format(Almost the whole source code comes from FFmpeg example [decode_video.c] https:/...
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Ivan

c++

ffmpeg

decoder

hevc

Votes: 0

Answers: 1

Latest Answer

the problem is that you're not calling av_parser_parse2() with data_size=0 to signal EOF. See the API docs: buf_size: input length, to signal EOF, this should be 0 (so that the last frame can be outp...
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Ronald S. Bultje

How come the quality of HEVC with alpha from my ffmpeg with videotoolbox is not ok

I'm encoding ProRes 4444 with alpha channel video's to transparent video for web in both VP9 (webm) and HEVC (mp4). I'm using a great free tool by Rotato to encode to both formats at once. However, be...
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Jos

video

ffmpeg

encoding

alpha

hevc

Votes: 0

Answers: 2

Latest Answer

Before the options I would check the system preferences to retain the alpha channel transparency more from Larry here, they are build natively - see the two options larry has on his site. Check to en...
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