Questions tagged [ffprobe]

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1answer
113 views

FFprobe - Is it possible to get the “seeked position” of a video stream without re-encoding it?

I have the following command: ffmpeg -f f32le -ar 44100 -channels 2 -i pipe:0 -ss 3 -i input.mp4 -y -f mp4 -map 0:a -map 1:v -c:v copy -use_editlist 0 output.mp4 When copying the video stream ...
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1answer
45 views

FFmpeg creates an ouput file shorter than it's longest stream

Assuming pipe:0 is a 3 seconds wav file Assuming input2.mp4 is a 1 second mp4 file With this command: ffmpeg -f f32le -ar 44100 -channels 2 -i pipe:0 -t 5 -itsoffset 4 -i input2.mp4 -y -f mp4 -c:v ...
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1answer
86 views

How to convert raw PCM data to a valid WAV file with ffmpeg?

I run this command: ffmpeg -f f32le -i pipe:0 -f wav pipe:1 ffmpeg version 4.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) 2000-2018 the FFmpeg developers built with Apple LLVM version 10.0.0 (...
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0answers
36 views

Command to find and output the codecs of all videos in a directory tree

I have a large digital movie collection, and I've been trying to come up with a way to determine what codecs make up each video in the collection, and then output this information to a file along with ...
1
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1answer
33 views

Offset ffprobe when outputting frame data

I've successfully managed to extract OCR data from frames using ffprobe with the following command: ffprobe -loglevel quiet -hide_banner -select_streams v:0 -show_entries frame_tags=lavfi.ocr.text -f ...
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0answers
45 views

Multicast udp stream monitoring with ffmpeg/ffprobe [duplicate]

I have 20 Multicast UDP streams running. How can i check all streams are up and running with ffmpeg/ffprobe. System OS version is Ububntu 14.04.
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118 views

ffprobe fails obtaining the delay of an audio stream?

Getting the delay of an audio stream is usually easy with ffprobe and a command like: ffprobe -show_entries stream -i "(file_path)" Obtaining an output that includes the desired info (see "...
0
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1answer
110 views

ffprobe count video and audio channels

So I have the following video example Stream #0:0(jpn): Video: h264 (High 10), yuv420p10le(progressive), 1920x1036 [SAR 1:1 DAR 480:259], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default) ...
0
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1answer
125 views

Commandline probe for video bitrate per GOP

Is there a way to use ffprobe or similar commandline tools to probe for the video bitrate per GOP? ffprobe only seems to output the overall bitrate for the whole video but not packets. ffprobe -i ...
1
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0answers
242 views

FFPROBE returns that all I-Frames are IDR frames (KEYFRAME=1) in a TS file

Running ffprobe -v quiet -print_format json -show_format -show_frames -show_streams -unit -select_streams v "D:\CH621.ts" > "D:\CH621.ts.json" -skip_frame nointra Result shows that all 6 I-FRAMES ...
2
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2answers
776 views

ffprobe returns codec_type=video for images and text files

I have a directory with many files of different types and want to find out the codec of each video file. This works well with this command: $ ffprobe -v error -select_streams v -show_entries stream=...
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0answers
668 views

FFMPEG split a video into multiple scenes/shot videos

I want to use FFMPEG (or ffprobe) to split a video into multiple shot videos/scenes (scene1.mp4 to sceneX.mp4, each a separate video). So whenever there is a scene change, it should cut it. What is ...
2
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0answers
365 views

Why is the first frame timestamp 0.066667 and not 0?

I have a stream of TGA files created on disk and I programmaticaly build a h264 video using the x264vfw codec. Options CRT 23, medium preset, Fast Decode, keyint 30 (video is 60 fps), no cut scenes, ...
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1answer
390 views

Interpreting the output of ffprobe for a WAV stream

tl;dr: What does ([1][0][0][0] / 0x0001) mean? ffprobe test.wav produces: ffprobe version 3.3.3 Copyright (c) 2007-2017 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3) ...
3
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1answer
2k views

How to determine video stream size

I want to determine stream size(not the video size) and using the following ffprobe command to make this work ffprobe -v error -count_packets -select_streams a:0 -show_entries stream=size ...
1
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1answer
3k views

Where should I put FFMPEG? [closed]

I have installed ffmpeg and ffprobe, but they just appeared in my downloads folder. I should put them somewhere useful. I am using macOS Sierra What is the recommended place to put such downloads? I ...
3
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1answer
1k views

How to frame accurately cut a video with ffmpeg?

I have a video. Here is it's ffprobe output: > ffprobe 7347-00009\ kliksa.mp4 ffprobe version 2.6.1 Copyright (c) 2007-2015 the FFmpeg developers built with Apple LLVM version 6.1.0 (clang-602.0....
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1answer
644 views

How to check if an mov file has video

Is there an ffprobe command I can run to see if an mov file that I have is audio-only or contains video as well? I have various mov files, some of which are audio dubs and some of which are full ...
4
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1answer
6k 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 format=size,duration:...
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1answer
641 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?
3
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1answer
1k 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
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1answer
1k 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 ...
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0answers
416 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 ...
4
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1answer
4k 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 ...