---

yaml --- r: 137847 b: refs/heads/master c: a4a7871 h: refs/heads/master i: 137845: 3ecdb83 137843: 75a4e45 137839: e66ba26 v: v3
git-mirror · Mar 30, 2009 · 3cee0ec · 3cee0ec
1 parent d854b65
commit 3cee0ec
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Showing 3 changed files with 21 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fdf9c9979a355916433262ea5e5e64bed5def86e
+refs/heads/master: a4a787187bcf94b1bf4deb74cbe30eb442519875
diff --git a/trunk/drivers/media/video/cx18/cx18-ioctl.c b/trunk/drivers/media/video/cx18/cx18-ioctl.c
@@ -160,10 +160,8 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
 	pixfmt->priv = 0;
 	if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
 		pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
-		/* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
-		pixfmt->sizeimage =
-			pixfmt->height * pixfmt->width +
-			pixfmt->height * (pixfmt->width / 2);
+		/* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
+		pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
 		pixfmt->bytesperline = 720;
 	} else {
 		pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
@@ -228,11 +226,18 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
 	struct cx18 *cx = id->cx;
 	int w = fmt->fmt.pix.width;
 	int h = fmt->fmt.pix.height;
+	int min_h = 2;
 
 	w = min(w, 720);
-	w = max(w, 1);
+	w = max(w, 2);
+	if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
+		/* YUV height must be a multiple of 32 */
+		h &= ~0x1f;
+		min_h = 32;
+	}
 	h = min(h, cx->is_50hz ? 576 : 480);
-	h = max(h, 2);
+	h = max(h, min_h);
+
 	cx18_g_fmt_vid_cap(file, fh, fmt);
 	fmt->fmt.pix.width = w;
 	fmt->fmt.pix.height = h;

diff --git a/trunk/drivers/media/video/ivtv/ivtv-ioctl.c b/trunk/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -345,10 +345,8 @@ static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f
 	pixfmt->priv = 0;
 	if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
 		pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
-		/* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
-		pixfmt->sizeimage =
-			pixfmt->height * pixfmt->width +
-			pixfmt->height * (pixfmt->width / 2);
+		/* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
+		pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
 		pixfmt->bytesperline = 720;
 	} else {
 		pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
@@ -469,11 +467,17 @@ static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format
 	struct ivtv *itv = id->itv;
 	int w = fmt->fmt.pix.width;
 	int h = fmt->fmt.pix.height;
+	int min_h = 2;
 
 	w = min(w, 720);
 	w = max(w, 2);
+	if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
+		/* YUV height must be a multiple of 32 */
+		h &= ~0x1f;
+		min_h = 32;
+	}
 	h = min(h, itv->is_50hz ? 576 : 480);
-	h = max(h, 2);
+	h = max(h, min_h);
 	ivtv_g_fmt_vid_cap(file, fh, fmt);
 	fmt->fmt.pix.width = w;
 	fmt->fmt.pix.height = h;