Thanks you for your help! To change the bit_rate I have to use sw_scale too?
Le 27 févr. 2019 à 18:49, Michael Armes <[email protected]<mailto:[email protected]>> a écrit : You need to scale *each frame* with sws_scale from lib_av (https://libav.org/documentation/doxygen/master/group__libsws.html#gae531c9754c9205d90ad6800015046d74). I suggest you look at the example code linked in the documentation for reference. On Wed, Feb 27, 2019 at 9:38 AM ABDALLAH Moussa <[email protected]<mailto:[email protected]>> wrote: Hello, I am trying to record a stream video to a output file mkv. I set my camera with the resolution 1280x720 and I would like to change it with ffmpeg on my program how can I do that please ? I have success to change the framerate but I failed with the resolution or other option like bit_rate : ivst->r_frame_rate.num=25; ivst->r_frame_rate.den=1; ovst->r_frame_rate = ivst->r_frame_rate; ovst->avg_frame_rate = ovst->r_frame_rate; ivst->codec->bit_rate = 3000000; ovst->codec->bit_rate = 3000000; ivst->codec->height = 320; ivst->codec->width = 240; ovst->codec->height = 320; ovst->codec->width = 240; Thanks you for your help ! _______________________________________________ Libav-user mailing list [email protected]<mailto:[email protected]> https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email [email protected]<mailto:[email protected]> with subject "unsubscribe". _______________________________________________ Libav-user mailing list [email protected]<mailto:[email protected]> https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email [email protected]<mailto:[email protected]> with subject "unsubscribe".
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