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V4L/DVB (9859): gspca - ov534: Fix frame size so we don't miss the last pixel.

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The frame size is too small, so we lose the last YUYV pixel.
Fix the setup and remove the last_pixel hack.

Signed-off-by: Jim Paris <jim@jtan.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jim Paris 2008-12-04 04:36:14 -03:00 committed by Mauro Carvalho Chehab
parent 47dfd21fbf
commit 5ea9c4def8
1 changed files with 9 additions and 19 deletions
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28
drivers/media/video/gspca/ov534.c
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@ -197,9 +197,9 @@ static const __u8 ov534_reg_initdata[][2] = {
{ 0x1d, 0x40 },
{ 0x1d, 0x02 },
{ 0x1d, 0x00 },
{ 0x1d, 0x02 },
{ 0x1d, 0x57 },
{ 0x1d, 0xff },
{ 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
{ 0x1d, 0x58 }, /* frame size */
{ 0x1d, 0x00 }, /* frame size */
{ 0x8d, 0x1c },
{ 0x8e, 0x80 },
@ -409,25 +409,15 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame,
__u8 *data, int len)
{
/*
* The current camera setup doesn't stream the last pixel, so we set it
* to a dummy value
*/
__u8 last[4] = { 0, 0, 0, 0 };
int framesize = frame->v4l2_buf.length;
PDEBUG(D_PACK, "");
PDEBUG(D_PACK, "** packet len = %d, framesize = %d", len, framesize);
PDEBUG(D_PACK, "** frame->data_end - frame->data + len = %d",
frame->data_end - frame->data + len);
if (frame->data_end - frame->data + len == framesize - 4) {
PDEBUG(D_PACK, " end of frame!");
gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, last, 4);
gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, 0);
if (len == framesize) {
frame = gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
data, len);
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0);
} else
gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
PDEBUG(D_PACK, "packet len = %d, framesize = %d", len,
framesize);
}
/* sub-driver description */