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niimaq: disable check so 1428 can work on 64-bit systems

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This commit is contained in:
Joshua M. Doe 2012-10-31 22:29:19 -04:00
parent 8f7e8f76e0
commit 0697255f7a
1 changed files with 11 additions and 0 deletions
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11
sys/niimaq/gstniimaq.c
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@ -46,6 +46,9 @@
#include <gst/interfaces/propertyprobe.h>
#include <gst/video/video.h>
/* prototype for private function to disable 32-bit memory check */
USER_FUNC niimaquDisable32bitPhysMemLimitEnforcement (SESSION_ID sid);
GST_DEBUG_CATEGORY (niimaqsrc_debug);
#define GST_CAT_DEFAULT niimaqsrc_debug
@ -976,6 +979,10 @@ gst_niimaqsrc_start (GstBaseSrc * src)
goto error;
}
/* Allow use of 1428 and other 32-bit DMA cards on 64-bit systems with
greater than 3GB of memory. */
niimaquDisable32bitPhysMemLimitEnforcement (niimaqsrc->sid);
GST_LOG_OBJECT (niimaqsrc, "Creating ring with %d buffers",
niimaqsrc->bufsize);
@ -986,6 +993,10 @@ gst_niimaqsrc_start (GstBaseSrc * src)
niimaqsrc->buflist[i] = 0;
niimaqsrc->times[i] = GST_CLOCK_TIME_NONE;
}
/* CAUTION: if this is ever changed to manually allocate memory, we must
be careful about allocating 64-bit addresses, as some IMAQ cards don't
support this, and can give a runtime error. See above call to
niimaquDisable32bitPhysMemLimitEnforcement */
rval =
imgRingSetup (niimaqsrc->sid, niimaqsrc->bufsize,
(void **) (niimaqsrc->buflist), 0, FALSE);