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authorSimon Farnsworth <simon.farnsworth@onelan.co.uk>2015-02-25 13:47:34 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-03-03 11:24:34 -0300
commit48ab45adcccc0835ac2a09805f3f9dff6b073b6c (patch)
tree74a59e153827bf00ac84ef261314d3fc9a022197
parentac0b2b3072bf81c2047beb39f1db7a7d745f2f99 (diff)
[media] cx18: Fix bytes_per_line
Current GStreamer userspace respects the bytes_per_line from the driver. Set it to something reasonable for the format chosen. Signed-off-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/pci/cx18/cx18-driver.h1
-rw-r--r--drivers/media/pci/cx18/cx18-ioctl.c9
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/pci/cx18/cx18-driver.h b/drivers/media/pci/cx18/cx18-driver.h
index 207d6e82403b..ec40f2db4e39 100644
--- a/drivers/media/pci/cx18/cx18-driver.h
+++ b/drivers/media/pci/cx18/cx18-driver.h
@@ -409,6 +409,7 @@ struct cx18_stream {
/* Videobuf for YUV video */
u32 pixelformat;
u32 vb_bytes_per_frame;
+ u32 vb_bytes_per_line;
struct list_head vb_capture; /* video capture queue */
spinlock_t vb_lock;
struct timer_list vb_timeout;
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index b8e4b68a9196..c2e0093a5f6a 100644
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -159,7 +159,7 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
pixfmt->pixelformat = s->pixelformat;
pixfmt->sizeimage = s->vb_bytes_per_frame;
- pixfmt->bytesperline = 720;
+ pixfmt->bytesperline = s->vb_bytes_per_line;
} else {
pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
pixfmt->sizeimage = 128 * 1024;
@@ -287,10 +287,13 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
s->pixelformat = fmt->fmt.pix.pixelformat;
/* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
- if (s->pixelformat == V4L2_PIX_FMT_HM12)
+ if (s->pixelformat == V4L2_PIX_FMT_HM12) {
s->vb_bytes_per_frame = h * 720 * 3 / 2;
- else
+ s->vb_bytes_per_line = 720; /* First plane */
+ } else {
s->vb_bytes_per_frame = h * 720 * 2;
+ s->vb_bytes_per_line = 1440; /* Packed */
+ }
mbus_fmt.width = cx->cxhdl.width = w;
mbus_fmt.height = cx->cxhdl.height = h;

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