Thank you Ulf for your suggestion. Michael Koch suggested me to use -q:v 1, which is ok! Thanks anyway! Prof. Flavio Sartoretto gia' Docente di Calcolo Scientifico Universita' Ca' Foscari Venezia
On Fri, May 28, 2021 at 12:02 PM Ulf Zibis <ulf.zi...@cosoco.de> wrote: > > > Am 28.05.21 um 11:44 schrieb Michael Koch: > > Am 28.05.2021 um 11:25 schrieb Flavio Sartoretto: > >> I use ffmpeg in order to convert fname.flv video to mp4: > >> ffmpeg -i fname.flv -c:v mpeg4 -copyts -loglevel verbose fname.mp4 > >> > >> The video quality of my output is bad. How can I improve it? > > > > Add -q:v 1 to your command line. The number does specify the compression > > ratio. 0 ist best quality and 9 is highest compression. > > Alternatively you may drop "-c:v mpeg4". Then libx264 is used instead FFmpegs > internal mpeg4 encoder by default and you will get good quality. > > -Ulf > > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
