webm to mp4 fiel conversation

[metind]

Dear all,

How can i convert webm file (contains sound and video items) to mp4 file? Is
it possible to mix audio get from alsa and video get from webcam in mp4
file?



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[Sudhir]

Hello metind,

gst-launch filesrc location=<webm_file> ! decodebin name=src! videoconvert !
deinterlace ! videoscale ! x264enc ! h264parse ! mp4mux name=mux !
filesink location=test.mp4 \
src.! audioresample ! audioconvert ! voaacenc ! mux.

Use this pipeline for wenm to mp4 conversion. Provided you have x264 and
voaacenc installed.

gst-launch <camera_src> ! videoconvert ! deinterlace ! queue leaky=1 !
videoscale ! x264enc ! h264parse ! mp4mux name=mux ! filesink
location=test.mp4 \
<alsa_src>! queue leaky=1 ! audioresample ! audioconvert ! voaacenc ! mux.

Above pipeline for videocam and alsa audio mixing.

~sudhir



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[Thiago Santos]

Post by Sudhir
Hello metind,
gst-launch filesrc location=<webm_file> ! decodebin name=src! videoconvert !
deinterlace ! videoscale ! x264enc ! h264parse ! mp4mux name=mux !
filesink location=test.mp4 \
src.! audioresample ! audioconvert ! voaacenc ! mux.

You will also need to add queue elements after each output branch of
decodebin, otherwise you will get a deadlock.
If you don't have voaacenc you can use faac.

Regards,

Post by Sudhir
Use this pipeline for wenm to mp4 conversion. Provided you have x264 and
voaacenc installed.
gst-launch <camera_src> ! videoconvert ! deinterlace ! queue leaky=1 !
videoscale ! x264enc ! h264parse ! mp4mux name=mux ! filesink
location=test.mp4 \
<alsa_src>! queue leaky=1 ! audioresample ! audioconvert ! voaacenc ! mux.
Above pipeline for videocam and alsa audio mixing.
~sudhir
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[rhoaeuin]

Here a full guide on how to convert WebM to MP4, WebM to AVI, WMV, FLV, MOV,
MKV, etc at: http://www.faasoft.com/articles/webm-converter.html

It also applies to convert MP4 to WebM, AVI to WebM, WMV to WebM, MKV to
WebM, FLV to WebM and more.



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[atseaconfused]

I use iDealshare VideoGo to convert WebM to MP4.

I like its batch conversion and convert WebM to MP4 or convert MP4 back to
WebM.

Here you may free download it at
http://www.idealshare.net/video-converter/convert-webm-to-mp4.html

It also can convert between WebM, MP4, AVI, WMV, 3GP, MOV, FLV, SWF, MPG,
DV, etc



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[dave clark]

Convert WebM to MP4, AVI, MOV, WMV, MKV, AVCHD, for playing WebM on iPhone,
iPad, iPod, PS4, PS3, Zune, Roku, etc or using WebM for other various
purposes.https://www.avdshare.com/webm-to-flv-converter



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