>
>> The MPEG output does both audio and video. You must feed it a MPEG-2
>> program stream. The audio comes from the PVR card, not from the audio
>> card. Trying to feed it only video and doing audio with ALSA won't work
>> (impossible to guarantee A/V sync).
>
> Ok that's what i feared.
> I only did a video output right now, guess i'll have to make an audio
> output driver too then.
>
> My question is, can I have a audio output that writes MPEG audio only data
> to the card and video output that writes MPEG video only data to the card
> or does it requires one single write of multiplexed A-V MPEG data ?
No, it requires multiplexed A-V MPEG data. There is no other way it can be
done.
>
>> No. Please be aware that the MPEG encoding API changed to a new v4l2 API
>> starting with kernel 2.6.18 (it will be in ivtv-0.8). Also note that
>> the ivtv decoding API will also change in 2.6.19 or .20 to a standard
>> v4l2 API. This as part of the effort to move ivtv into the kernel.
>
> I'm aware of all of that.
> I'll update the ivtv/pvr related code from MPlayer at each new kernel (and
> associated ivtv driver) release. For sure having a full V4L2 compliance is
> better/easier.
>
> As a matter of fact, you can consider that the MPlayer code for handling
> ivtv/pvr will always support _ONLY_ the latest official ivtv driver
> release (i don't wanna struggle with #ifdef everywhere).
That should be fine.
Regards,
Hans
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