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List: linux-video
Subject: [PATCH 2/2] V4L: convert saa7146 VIDIOCGMBUF to videobuf_cgmbuf
From: Brandon Philips <brandon () ifup ! org>
Date: 2007-11-29 19:57:50
Message-ID: 20071129195750.GC23335 () ifup ! org
[Download RAW message or body]
Converting saa7146 to videobuf_cgmbuf was suggested by Mauro last week
and should work, but I am unable to test it on real hardware.
e9hack could you test this?
Signed-off-by: Brandon Philips <bphilips@suse.de>
---
diff --git a/linux/drivers/media/common/saa7146_video.c b/linux/drivers/media/common/saa7146_video.c
--- a/linux/drivers/media/common/saa7146_video.c
+++ b/linux/drivers/media/common/saa7146_video.c
@@ -1196,28 +1196,11 @@ int saa7146_video_do_ioctl(struct inode
case VIDIOCGMBUF:
{
struct video_mbuf *mbuf = arg;
- struct videobuf_queue *q;
- int i;
-
- /* fixme: number of capture buffers and sizes for v4l apps */
int gbuffers = 2;
- int gbufsize = 768*576*4;
DEB_D(("VIDIOCGMBUF \n"));
- q = &fh->video_q;
- err = videobuf_mmap_setup(q,gbuffers,gbufsize,
- V4L2_MEMORY_MMAP);
- if (err < 0)
- return err;
-
- gbuffers = err;
- memset(mbuf,0,sizeof(*mbuf));
- mbuf->frames = gbuffers;
- mbuf->size = gbuffers * gbufsize;
- for (i = 0; i < gbuffers; i++)
- mbuf->offsets[i] = i * gbufsize;
- return 0;
+ return videobuf_cgmbuf(&fh->video_q, mbuf, gbuffers);
}
#endif
default:
--
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