[FFmpeg-user] Video concatenation not working.

[Carl Eugen Hoyos]

ನಾಗೇಶ್ ಸುಬ್ರಹ್ಮಣ್ಯ (Nagesh S <nageshblore <at> gmail.com> writes:

>     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) 
> (avc1 / 0x31637661), yuv444p, 720x486 [SAR 1:1 DAR 40:27], 
> 38 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)

>     Stream #0:0(und): Video: h264 (High) 
> (avc1 / 0x31637661), yuv420p, 1280x720, 
> 270 kb/s, 15 fps, 15 tbr, 30 tbn, 30 tbc (default)

I don't think you can concatenate two (very) different streams 
with -codec copy, at least not in a mov container.

Try to encode your png with -pix_fmt yuv420p -s 1280x720.

Carl Eugen