[FFmpeg-user] FFplay is not getting added with ffmpeg on my yocto Riscv

[vinay kumar vini]

Hi ,

  I am trying to build ffmpeg on my yocto riscv.After building I'm
getting ffprobe ,ffmpeg,ffserver but ffplay is not getting added.I have
added all the dependencies as well but unable to get that.Can anyone help
me on this?

Thanks ,
VINAY.
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Re: [FFmpeg-user] Can't select appropriate encoder

[Carl Eugen Hoyos]

Am Di., 28. Jan. 2020 um 20:51 Uhr schrieb alex jamshedi
:

> pipeout = popen("ffmpeg -y -f s32be -ar 131072 -ac 1 -i -c:a pmc_s32be
> hydro.wav, "w");

It's pcm not pmc, but you cannot put pcm_s32be into wav because be is
not supported in wav.

After "-i" a filename is expected, not another option.

Please remember to always provide the command line you tested together
with the complete, uncut console output when asking questions here.

Carl Eugen
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[FFmpeg-user] Can't select appropriate encoder

[alex jamshedi]

Hi,

I am piping a buffer to ffmpeg in my c code. I am using ffmpeg version
3.2.10-1~deb9u1+rpt1 on the raspberry pi. Ffmpeg is giving me issues with
the following line.

pipeout = popen("ffmpeg -y -f s32be -ar 131072 -ac 1 -i -c:a pmc_s32be
hydro.wav, "w");

When I run the code, ffmpeg does not like the "-c:a pmc_s32e" part. I get
an error stating: "-c:a Protocol not found. Did you mean file:-c:a?". When
I change my code to "file:-c:a" I then get the error: "file:-c:a: No such
file or directory".

The reason I need this piece is because ffmpeg defaults to outputting
pcm_s16le audio when I need pcm_s32be.

I have tried "-c:a copy" as well. No luck.

Any help would be appreciated.

Thanks.
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