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Code Issues 1 Projects Releases Wiki Activity

dshowvideosrc: cache device caps

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This commit is contained in:
Julien Isorce 2009-09-09 14:34:03 +02:00
parent 76304164bb
commit 76e96c70bd
1 changed files with 27 additions and 17 deletions
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44
sys/dshowsrcwrapper/gstdshowvideosrc.cpp
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@ -479,18 +479,20 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
GstDshowVideoSrc *src = GST_DSHOWVIDEOSRC (basesrc);
gunichar2 *unidevice = NULL;
if (src->device) {
g_free (src->device);
src->device = NULL;
if (src->caps) {
return gst_caps_ref (src->caps);
}
src->device =
gst_dshow_getdevice_from_devicename (&CLSID_VideoInputDeviceCategory,
&src->device_name);
if (!src->device) {
GST_ERROR ("No video device found.");
return NULL;
src->device =
gst_dshow_getdevice_from_devicename (&CLSID_VideoInputDeviceCategory,
&src->device_name);
if (!src->device) {
GST_ERROR ("No video device found.");
return NULL;
}
}
unidevice =
g_utf8_to_utf16 (src->device, strlen (src->device), NULL, NULL, NULL);
@ -549,18 +551,14 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
}
}
}
pKs->Release ();
}
capture_pin->Release ();
}
enumpins->Release ();
}
}
g_print ("caps: %s\n", gst_caps_to_string (src->caps));
if (unidevice) {
g_free (unidevice);
}
@ -712,7 +710,7 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
/* check if the desired video size is valid about granularity */
/* This check will be removed when GST_TYPE_INT_RANGE_STEP exits */
/* See remarks in gst_dshowvideosrc_getcaps_from_streamcaps function */
/* See remarks in gst_dshow_new_video_caps function */
if (pin_mediatype->granularityWidth != 0
&& width % pin_mediatype->granularityWidth != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n",
@ -801,22 +799,34 @@ gst_dshowvideosrc_stop (GstBaseSrc * bsrc)
input_pin->Release ();
}
/*remove filters from the graph */
/* remove filters from the graph */
src->filter_graph->RemoveFilter (src->video_cap_filter);
src->filter_graph->RemoveFilter (src->dshow_fakesink);
/*release our gstreamer dshow sink */
/* release our gstreamer dshow sink */
src->dshow_fakesink->Release ();
src->dshow_fakesink = NULL;
/*release media filter interface */
/* release media filter interface */
src->media_filter->Release ();
src->media_filter = NULL;
/*release the filter graph manager */
/* release the filter graph manager */
src->filter_graph->Release ();
src->filter_graph = NULL;
/* reset caps */
if (src->caps) {
gst_caps_unref (src->caps);
src->caps = NULL;
}
/* reset device id */
if (src->device) {
g_free (src->device);
src->device = NULL;
}
return TRUE;
}