[FFmpeg-user] about merging Multiple videos together

[akash kulkarni]

Thanks ajoy,

I have
 Input #0, mpegts, from 'MTS_567i50_002.MTS':
 Duration: 00:01:32.15, start: 0.000011, bitrate: 9424 kb/s
 Program 1
 Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p,
720x576
 [SAR 2304:2160 DAR 4:3], 25 fps, 50 tbr, 90k tbn, 50 tbc Stream
 #0:1[0x1100]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo,
 s16p, 192 kb/s

such kind of files which i wanted to merge with 720*576 resolution
These files has GOP size of 33, After i  merge them at each joint point
they jerk is coming
when i looked frames with some application there are few frames of next
video mixed with
previous video and sometimes few black frames also so how could i remove
such unwanted frames and
make my video smooth.

these videos Do have i frames after each 33rd frame so no question of key
frames would be there i guess.

so can you tell me solution over this.


On Fri, Jul 28, 2017 at 2:12 AM, Ajoy Devadawson <ajoydawson at gmail.com>
wrote:

> I guess it could be a problem with keyframes.  If you could assign
> keyframes densely, this problem could be avoided.  Try assigning 1 keyframe
> per second for your individual files, then concat would join without any
> jerk.
>
> On Thu, Jul 27, 2017 at 12:03 AM, akash kulkarni <kul.akash123 at gmail.com>
> wrote:
>
> > DO i need to explain it more. can any 1 help out with this issue
> >
> >
> > On Wed, Jul 26, 2017 at 3:45 PM, akash kulkarni <kul.akash123 at gmail.com>
> > wrote:
> >
> > > hie friends ,
> > >                       i am merging few files in mts and mpg formats
> using
> > > concat demux
> > >
> > >         ffmpeg -f concat -i mylist.txt -c copy output
> > >
> > > but for MTS 720*576 (SD) format ,  at merge point of two files it
> adding
> > >
> > > few frames of next video and few blank frames also causing jerk . can
> > >
> > > nayone help me to solve the problem and remove those frames using
> ffmpeg
> > >
> > > command in above concat demux command.
> > >
> > > 'else'
> > >
> > > Can anyone suggest how i can merge all those files without any jerk.
> > >
> > > Hope anyone help me.
> > >
> > > Thanks in advance
> > >
> > >
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>
>
> --
> Ajoy A. Devadawson
> Email: ajoydawson at gmail.com
> Mobile # 1-404-626-6340
> Skype: AjoyDawson
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