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1answer
45 views

ffprobe show_entries with an entry name that uses a semicolon

I'm probing a video file to get some basic information. For example, the following uses the show_entries flag to specify the necessary data. > ffprobe -v error -show_entries ...
0
votes
1answer
55 views

ffmpeg/ffprobe get last (few) frame info with show_frames

I am currently experimenting with ffmpeg and ffprobe. I basically want to get info of last frame from "show_frames" but "show_frames" prints ALL the frames. is there any way to filter this?
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0answers
100 views

ffprobe: selecting from time until the next IFrame

I'm using ffprobe to get a set a set of frames starting from one IFrame to the next. ffprobe "<file>.MP4" -select_streams v -show_frames -read_intervals 30.031 When I'm done processing this ...
3
votes
1answer
526 views

Why does ffprobe report an incorrect number of frames?

I have a small video file which ffprobe describes as:- Input #0, avi, from 'sample.avi': Metadata: encoder : Lavf55.12.100 Duration: 00:00:35.00, start: 0.000000, bitrate: 546 kb/s Stream #0:0: ...
1
vote
1answer
341 views

FFMPEG extracting unreasonable number of I-frames

ffmpeg version git-2014-01-14-abcde ffprobe -show_frames a.mp4 | grep pict_type=I | wc identifies 142 I-frames. ffmpeg -i a.mp4 -filter:v select='eq(pict_type\,I)' I.%03d.png generates thousands of ...
0
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0answers
26 views

how find the nearest iframes with ffprobe? [duplicate]

I wonder if can find the nearest iframes from certain position(might be certain seconds) in Video file with ffprobe or ffmpeg. Is it possible? The result what I want is seconds unit position of ...
2
votes
1answer
593 views

How do I check if a h264 video contains b-frames?

I'm using ffprobe right now but I don't if it supports showing whether the video contains b-frames and what could be the syntax. Can I do this with ffprobe and so, how, or is there any other free ...