2008-08-10
zhbulefish
发件人： Luca Abeni
发送时间： 2008-06-03 20:01:20
收件人： Libav* user questions and discussions
抄送：
主题： Re: [libav-user] audio_device
Hi Stefano,
Stefano Sabatini wrote:
> On date Tuesday 2008-06-03 10:51:57 +0200, Luca Abeni wrote:
>> Hi Nicolas,
>>
>> Nicolas Krieger wrote:
>> [...]
>>> I have also modified "utils.c" so that "av_find_input_format" prints all the
>>> AVInputFormat->name. And I don't know why, but what is printed is different
>>> when I launch my project and ffmpeg...
>>> When I try your exemple, I can see "oss" in the formats found, but not when
>>> I launch my project.
>> Remember to use
>> avcodec_register_all();
>> avdevice_register_all();
>> av_register_all();
>> in the initialization phase of your program.
>
> Hi Luca,
>
> I wonder if an avdevice_register_all() shouldn't register also all the
> codecs and formats, the same way av_register_all() (defined in lavf)
> registers all the codecs.
I do not know... It currently doesn't (I think this behaviour was requested
when avdevice_register_all() has been introduced, but I might be wrong), and
I have no opinion about it.
Luca
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