diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-ioctl.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index afe0a29e720..66b1c15c354 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -160,12 +160,7 @@ 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 = s->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) - pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2; - else - pixfmt->sizeimage = pixfmt->height * 720 * 2; + pixfmt->sizeimage = s->vb_bytes_per_frame; pixfmt->bytesperline = 720; } else { pixfmt->pixelformat = V4L2_PIX_FMT_MPEG; @@ -296,6 +291,12 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh, return -EBUSY; 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) + s->vb_bytes_per_frame = h * 720 * 3 / 2; + else + s->vb_bytes_per_frame = h * 720 * 2; mbus_fmt.width = cx->cxhdl.width = w; mbus_fmt.height = cx->cxhdl.height = h; @@ -463,13 +464,16 @@ static int cx18_s_register(struct file *file, void *fh, static int cx18_querycap(struct file *file, void *fh, struct v4l2_capability *vcap) { - struct cx18 *cx = fh2id(fh)->cx; + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->pci_dev)); vcap->capabilities = cx->v4l2_cap; /* capabilities */ + if (id->type == CX18_ENC_STREAM_TYPE_YUV) + vcap->capabilities |= V4L2_CAP_STREAMING; return 0; } |