V4L/DVB (10711): zoran: fix TRY_FMT support
Actually try to turn the format into something usable rather than just
rejecting it if it isn't perfect.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c
index 18834b1..774717b 100644
--- a/drivers/media/video/zoran/zoran_card.c
+++ b/drivers/media/video/zoran/zoran_card.c
@@ -835,7 +835,8 @@
int
zoran_check_jpg_settings (struct zoran *zr,
- struct zoran_jpg_settings *settings)
+ struct zoran_jpg_settings *settings,
+ int try)
{
int err = 0, err0 = 0;
@@ -900,35 +901,61 @@
/* We have to check the data the user has set */
if (settings->HorDcm != 1 && settings->HorDcm != 2 &&
- (zr->card.type == DC10_new || settings->HorDcm != 4))
+ (zr->card.type == DC10_new || settings->HorDcm != 4)) {
+ settings->HorDcm = clamp(settings->HorDcm, 1, 2);
err0++;
- if (settings->VerDcm != 1 && settings->VerDcm != 2)
+ }
+ if (settings->VerDcm != 1 && settings->VerDcm != 2) {
+ settings->VerDcm = clamp(settings->VerDcm, 1, 2);
err0++;
- if (settings->TmpDcm != 1 && settings->TmpDcm != 2)
+ }
+ if (settings->TmpDcm != 1 && settings->TmpDcm != 2) {
+ settings->TmpDcm = clamp(settings->TmpDcm, 1, 2);
err0++;
+ }
if (settings->field_per_buff != 1 &&
- settings->field_per_buff != 2)
+ settings->field_per_buff != 2) {
+ settings->field_per_buff = clamp(settings->field_per_buff, 1, 2);
err0++;
- if (settings->img_x < 0)
+ }
+ if (settings->img_x < 0) {
+ settings->img_x = 0;
err0++;
- if (settings->img_y < 0)
+ }
+ if (settings->img_y < 0) {
+ settings->img_y = 0;
err0++;
- if (settings->img_width < 0)
+ }
+ if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) {
+ settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH);
err0++;
- if (settings->img_height < 0)
+ }
+ if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) {
+ settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2);
err0++;
- if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH)
+ }
+ if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) {
+ settings->img_x = BUZ_MAX_WIDTH - settings->img_width;
err0++;
- if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2)
+ }
+ if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) {
+ settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height;
err0++;
- if (settings->HorDcm && settings->VerDcm) {
- if (settings->img_width % (16 * settings->HorDcm) != 0)
- err0++;
- if (settings->img_height % (8 * settings->VerDcm) != 0)
- err0++;
+ }
+ if (settings->img_width % (16 * settings->HorDcm) != 0) {
+ settings->img_width -= settings->img_width % (16 * settings->HorDcm);
+ if (settings->img_width == 0)
+ settings->img_width = 16 * settings->HorDcm;
+ err0++;
+ }
+ if (settings->img_height % (8 * settings->VerDcm) != 0) {
+ settings->img_height -= settings->img_height % (8 * settings->VerDcm);
+ if (settings->img_height == 0)
+ settings->img_height = 8 * settings->VerDcm;
+ err0++;
}
- if (err0) {
+ if (!try && err0) {
dprintk(1,
KERN_ERR
"%s: check_jpg_settings() - error in params for decimation = 0\n",
@@ -1018,7 +1045,7 @@
sizeof(zr->jpg_settings.jpg_comp.COM_data));
zr->jpg_settings.jpg_comp.jpeg_markers =
JPEG_MARKER_DHT | JPEG_MARKER_DQT;
- i = zoran_check_jpg_settings(zr, &zr->jpg_settings);
+ i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0);
if (i)
dprintk(1,
KERN_ERR