[FFmpeg-user] Error occurred when configure ffmpeg code on mac

Hi, There was error occurred when when configure ffmpeg code on mac: nasm/yasm not found or too old. Use --disable-x86asm for a crippled build. If you think configure made a mistake, make sure you are using the latest version from Git. If the latest version fails, report the problem to

[FFmpeg-user] Automatically set codec

I want to automatically set a codec. For example, if the codec of a movie is h264, set -c:v copy. Otherwise, set -c:v libx264. Please tell me the way to do. Thank you for reading this mail. tony_rui ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Current master not compiling on Mac

On Fri, Jun 23, 2017 at 20:59:50 +0200, Robert Krüger wrote: > Hi, > > I just did a clean check-out on master did a plain configure with no > options and the build failed. Heres the end of the output when the errors > start: > > CC libavfilter/vsrc_life.o > CC libavfilter/vsrc_mandelbrot.o > CC

Re: [FFmpeg-user] Conversion wav -> mp3 -> wav

Hi Rodolfo, > but all happens is that they play together now… Perfect! For now. > On the first of the two, I applied the `invert’ effect. Are you sure? > Where’s the comparison…? That’s what you hear! If you play two exact files „in sync“, and one of them is inverted, you should hear …

Re: [FFmpeg-user] Conversion wav -> mp3 -> wav

Steve Boyer writes: > On Fri, Jun 23, 2017 at 7:11 AM, Rodolfo Medina > wrote: > >> Steve Boyer writes: >> >> > If you want to see what really happened, import both files into Audacity, >> > use a filter to invert one of

Re: [FFmpeg-user] Conversion wav -> mp3 -> wav

On Fri, Jun 23, 2017 at 7:11 AM, Rodolfo Medina wrote: > Steve Boyer writes: > > > If you want to see what really happened, import both files into Audacity, > > use a filter to invert one of the files, and slide it around until they > are > >

[FFmpeg-user] Current master not compiling on Mac

Hi, I just did a clean check-out on master did a plain configure with no options and the build failed. Heres the end of the output when the errors start: CC libavfilter/vsrc_life.o CC libavfilter/vsrc_mandelbrot.o CC libavfilter/vsrc_testsrc.o CC libavfilter/window_func.o X86ASM

Re: [FFmpeg-user] Conversion wav -> mp3 -> wav

Steve Boyer writes: > If you want to see what really happened, import both files into Audacity, > use a filter to invert one of the files, and slide it around until they are > 1:1 (it's off slightly IIRC) and then hit "Play" or downmix to a single > track. If both tracks

[FFmpeg-user] Increase DVCPRO50 encoding quality possible?

Hello everyone, I am testing the DVCPRO encoder of ffmpeg and comparing it with other tools in terms of picture quality. I mentioned that the picture quality of an ffmpeg dvcpro50 encoding is a little bit less than a dvcpro50 encoding from a carbon coder. In numbers I can say: Original