Well, thank you! FFmpeg is an impressive project.
-- Marco
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On Mon, Nov 27, 2017 at 2:43 AM, Carl Eugen Hoyos wrote:
> Please double the definition of
> ALSA_BUFFER_SIZE_MAX
> on top of libavdevice/alsa.h until the device works for you
> and report back so I can commit the new value!
Doubling once from 65536 to 131072 was enough.
-- Marco
e35c674d13a7f180412cfe058530a2e7f1d49a90 is the first bad commit
commit e35c674d13a7f180412cfe058530a2e7f1d49a90
Author: Justin Ruggles
Date: Wed Jun 22 16:38:20 2011 -0400
alsa: limit buffer_size to 32768 frames.
In testing, the file output plugin gave a max buffer size of about 20
mi
On Sun, Nov 26, 2017 at 8:02 PM, Carl Eugen Hoyos wrote:
>
> Then please use git bisect to find the change
> introducing the regression.
I'm trying, but many commits do not compile properly.
Specifically, I'm stuck with:
make: *** No rule to make target 'libavutil/macros.h', needed by
'libswscal
>
> > Thanks! With this, 0.6.7 runs
>
> Sorry, I don't understand this sentence.
Using the option '-ac 2', ffmpeg 0.6.7 works.
But, using the same option, the current version from the master git branch
doesn't work.
-- Marco
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> $ ffmpeg -f alsa -ac 2 -i hw:1,0 -t 30 out.wav
Thanks! With this, 0.6.7 runs but newer versions still complain about:
[alsa @ 0x55eb8e2a6780] cannot set ALSA buffer size (Invalid argument)
hw:1,0: Input/output error
Any idea?
-- Marco
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On Sun, Nov 26, 2017 at 2:13 PM, Carl Eugen Hoyos wrote:
>> I tried to compile ffmpeg 0.6.7 from GitHub, but without success; it
>> gives the error:
>>
>> libavcodec/vaapi_mpeg4.c:89:73: error: implicit declaration of
>> function ‘ff_h263_get_gob_height’; did you mean ‘ff_h261_encode_init’?
>>
>>
e:
> 2017-11-26 13:06 GMT+01:00 Marco Paolieri :
>> Hello!
>>
>> I am trying to capture audio from an ATI Wonder 600 USB adapter using
>>
>> ffmpeg -f alsa -ac 2 -ar 48000 -i hw:1,0 -t 10 a.wav
>>
>> but I receive the error
>>
>> [alsa @ 0x555d7
Hello!
I am trying to capture audio from an ATI Wonder 600 USB adapter using
ffmpeg -f alsa -ac 2 -ar 48000 -i hw:1,0 -t 10 a.wav
but I receive the error
[alsa @ 0x555d7c2850a0] cannot set ALSA buffer size (Invalid argument)
hw:1,0: Input/output error
using
- ffmpeg version 3.3.4-2+b3
- alsa k