GitLab

 accessible from the MSFactory.
Adding MSWebCamManager* in MSFactory.
Adding MSFactory to MSWebCamManager* and pointer to manager in MSWebCam.
Using ms_factory_wbc_amanger or snd_manager get  to get pointers to the managers.
Using ms_factory_create to create a new factory and initialize it
(ticals ms_factory_new and ms_factory_init plugins and voip).

Using getter ms_factory_get_snd_manager to get MSSndCardManager from the MSFactory.
Using ms_snd_card_factory_get to get MSFactory from MSSndCard.
Removing static MSSndCardManager* scm.

.

Removing ms_factory_uninit_plugins when destroying the factory since it is already called in ms_factory_destroy.

mediastreamer2-sound_card_tester still uses the fallback factory.
Added reference to MSFactory in MSSndCard an MSSndCardManager.

This allows iOS tests to perform, as well as (soon) android.

This class enable to read some media files.
Supported format are WAVE and MATROSKA
Supported codec :
	+ WAVE: only PCM s16l
	+ MATROSKA: pcmu, opus and h264