-----Original Message----- From: Carl Eugen Hoyos <ceffm...@gmail.com> To: FFmpeg user questions <ffmpeg-user@ffmpeg.org> Sent: Tue, Jan 21, 2020 1:17 pm Subject: Re: [FFmpeg-user] Submitting a Feature Request
Am Di., 21. Jan. 2020 um 21:45 Uhr schrieb Chris via ffmpeg-user <ffmpeg-user@ffmpeg.org>: > My last message contained a comment line which explains why there are two > command lines: > // Open an input pipe from ffmpeg and an output pipe to a second instance of > ffmpeg > One is an input pipe for reading video frames; the other is an output pipe > for writing video frames. > The output pipe is the one modifying the video levels I have written in the C > program. > out_range=full causes ffmpeg to force video levels to 0 - 255. > out_range=tv causes ffmpeg to force video levels to 16 - 235. > But you are not specifying either of these, are you? No I am not, as you can see from the lines I copied. > Since there are two commands: > Which one is changing the video level? Is the issue you see (that the levels > are changed) also reproducible if only one of the commands is used? The second command is changing the video levels as I explained in my previous post, viz.: > The output pipe is the one modifying the video levels I have written in the C > program. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
