yair/gst-plugin-linescan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

framelinksrc: add (untested) support for multiple boards

Browse Source
This commit is contained in:
Joshua M. Doe 2014-01-16 14:32:37 -05:00
parent 17a360b8d2
commit 181607d15c
1 changed files with 19 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
sys/imperx/gstframelinksrc.c
View File

@ -129,7 +129,7 @@ gst_framelinksrc_class_init (GstFramelinkSrcClass * klass)
DEFAULT_PROP_NUM_CAPTURE_BUFFERS, DEFAULT_PROP_NUM_CAPTURE_BUFFERS,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_BOARD, g_object_class_install_property (gobject_class, PROP_BOARD,
g_param_spec_uint ("board", "Board", "Board number (0 for auto)", 0, 7, g_param_spec_uint ("board", "Board", "Board number", 0, 7,
DEFAULT_PROP_BOARD, DEFAULT_PROP_BOARD,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_CHANNEL, g_object_class_install_property (gobject_class, PROP_CHANNEL,
@ -278,6 +278,8 @@ gst_framelinksrc_start (GstBaseSrc * bsrc)
GstVideoInfo vinfo; GstVideoInfo vinfo;
int bpp, Bpp; int bpp, Bpp;
VCECLB_CameraDataEx *ci; VCECLB_CameraDataEx *ci;
VCECLB_EnumData enumData;
HANDLE hDevEnum;
GST_DEBUG_OBJECT (src, "start"); GST_DEBUG_OBJECT (src, "start");
@ -328,12 +330,24 @@ gst_framelinksrc_start (GstBaseSrc * bsrc)
return FALSE; return FALSE;
} }
/* TODO: use VCECLB_InitByHandle */ /* enumerate devices */
src->grabber = VCECLB_Init (); enumData.cbSize = sizeof (VCECLB_EnumData);
hDevEnum = VCECLB_EnumInit ();
while (VCECLB_EnumNext (hDevEnum, &enumData) == VCECLB_Err_Success) {
GST_DEBUG_OBJECT (src, "Found device: slot #%d, name '%s'",
enumData.dwSlot, enumData.pSlotName);
if (enumData.dwSlot == src->board) {
src->grabber = VCECLB_InitByHandle (enumData.pDeviceData, 0);
break;
}
}
VCECLB_EnumClose (hDevEnum);
if (src->grabber == NULL) { if (src->grabber == NULL) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
("Failed to initialize grabber (code %d)", VCECLB_CardLastError ()), ("Invalid board/device number or failed to initialize grabber (code %d)",
(NULL)); VCECLB_CardLastError ()), (NULL));
return FALSE; return FALSE;
} }