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Sur d’autres sites (10495)

  • FFMPEG 1 Audio + 1 Still image + multiple image frames at several times

    28 mars 2019, par Bhavik Rathod

    I want to create a video from combination of all these files which includes single audio file, still image in background and multiple image frames at several times, i have achieved this with video file on this help Now i have tried a failure attempt to create audio with same approach. But got an error which is obvious because still lack of knowledge in FFMPEG

    Following is my failure attempt with error Output with label 'v2' does not exist in any defined filter graph, or was already used elsewhere.

    ffmpeg -y -loop 1 -i bg.jpg -i img/%07d.png -i dia.mp3 -c:v libx264 -tune stillimage -pix_fmt yuv420p -c:a aac -b:a 128k -shortest -vf "[0:v]scale=1280:1280:force_original_aspect_ratio=increase,crop=1280:1280[v1],[v1][2]overlay=10:10:enable='between(t,0,6)'[v2]" -map "[v2]" out.mp4 2>&1

  • Merge videos with different start times and show them on a grid

    1er août 2017, par shamaleyte

    I have multiple video files of a conference call. However, each participant joined the call at a different time, which resulted in the fact that each video file has a different start time offset values.

    Video   Start Time
    
------------------
    
Video1  00:00
    
Video2  00:10
    
Video3  01:40

    My purpose is to play back this conference. However, I did not record the conference as 1 video, it is recorded with multiple video files, instead.
    How do I stitch these videos ?

    There is also a paid solution to merge video fragments to a single clip – this will make the client-side much simpler. But can I do it for free ?

    The expected outcome is to have one video showing three videos on a grid.
    When ffmpeg stitches the videos, it should consider their start time values properly so that the videos are played accordingly.

  • Muxing files with different run times

    16 novembre 2019, par Dhruv Kanojia

    I’ve got a few files I want to mux.
    File 1 : MP4 File with runtime of 23 Minutes 45 Seconds
    File 2 : MP4 File with runtime of 23 Minutes 39 Seconds
    File 3 : Subtitle File
    File 4 : Subtitle File
    File 5 : Subtitle File
    File 6 : Subtitle File
    File 7 : Subtitle File
    File 8 : Subtitle File
    File 9 : Subtitle File

    I’m trying to mux these files. Now, since there’s a runtime difference, I’m getting weird errors like :

    [matroska @ 0x55e029fbd1a0] Only audio, video, and subtitles are supported for Matroska.
    
av_interleaved_write_frame(): Invalid argument
    
Error writing trailer of /root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [Dual Audio].mkv: Invalid argument

    I can mux files with same run time just fine... but, I’m stuck on this one. Can someone help me out here.

    The command I’m using :

    ffmpeg -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [enUS].mp4" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [jaJP].mp4" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [enUS] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [itIT] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [esLA] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [frFR] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [esES] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [deDE] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [ruRU] .ass" -i "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [ptBR] .ass" -map 1 -map 2 -map 3 -map 4 -map 5 -map 6 -map 7 -map 8  -map 0:v -map 0:a -map 1:a -c copy -metadata:s:a:0 title="English Audio" -metadata:s:a:1 title="Japanese Audio" -metadata:s:a:0 language=eng -metadata:s:a:1 language=jpn -metadata:s:s:0 title="English (US) Subtitle" -metadata:s:s:1 title="Italian Subtitle" -metadata:s:s:2 title="Spanish (Latin America) Subtitle" -metadata:s:s:3 title="French Subtitle" -metadata:s:s:4 title="Spanish Subtitle" -metadata:s:s:5 title="Deutsch Subtitle" -metadata:s:s:6 title="Russian Subtitle" -metadata:s:s:7 title="Portuguese Subtitle"  "/root/my_dls/Output/My Vid/1/en-us/1080p/My Video - 1 [Dual Audio].mkv"

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