[vlc-devel] Blackmagic Decklink configuration, use WriteConfigurationToPreferences()

Ed Groth ed at boxpopuli.com
Tue Jan 11 03:05:40 CET 2011

On Mon, Jan 10, 2011 at 5:53 PM, Ed Groth <ed at boxpopuli.com> wrote:
> On Mon, Jan 10, 2011 at 4:54 PM, Stuart Cunningham <stuart8c at gmail.com> wrote:
>>> I'm not sure if it makes sense, really; would you really want running VLC to
>>> change your defaults? (What if multiple instances of VLC were running?)
>>> Is this behavior documented in the SDK, or is it simply a bug in the driver?
>> It's unlikely you want VLC to change the default video and audio mode
>> settings (the settings the card is configured with at boot time).
>> The new behaviour is documented in the DeckLink 7.9 SDK documentation
>> where the new feature of saving video and audio configuration across
>> reboots was introduced.  The impact of the change is if you now use a
>> IDeckLinkConfiguration object to change a mode and release it before
>> you release the IDeckLink object, the changed configuration will be
>> reverted to the previous saved configuration.  In this case the fix is
>> to not release the IDeckLinkConfiguration until the IDeckLink is
>> finished with.
>> - Stuart
> Here's a patch to keep track of the IDecklinkConfiguration in p_sys.
> Still getting used to git, please let me know if the patch format is wrong.

Oops.  This includes the video input connection.

>  Ed
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