diff options
Diffstat (limited to 'drivers/media/usb/gspca/gspca.c')
| -rw-r--r-- | drivers/media/usb/gspca/gspca.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index 048507b..f3a7ace 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -504,8 +504,7 @@ static int frame_alloc(struct gspca_dev *gspca_dev, struct file *file, unsigned int frsz; int i; - i = gspca_dev->curr_mode; - frsz = gspca_dev->cam.cam_mode[i].sizeimage; + frsz = gspca_dev->pixfmt.sizeimage; PDEBUG(D_STREAM, "frame alloc frsz: %d", frsz); frsz = PAGE_ALIGN(frsz); if (count >= GSPCA_MAX_FRAMES) @@ -627,16 +626,14 @@ static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt, static u32 which_bandwidth(struct gspca_dev *gspca_dev) { u32 bandwidth; - int i; /* get the (max) image size */ - i = gspca_dev->curr_mode; - bandwidth = gspca_dev->cam.cam_mode[i].sizeimage; + bandwidth = gspca_dev->pixfmt.sizeimage; /* if the image is compressed, estimate its mean size */ if (!gspca_dev->cam.needs_full_bandwidth && - bandwidth < gspca_dev->cam.cam_mode[i].width * - gspca_dev->cam.cam_mode[i].height) + bandwidth < gspca_dev->pixfmt.width * + gspca_dev->pixfmt.height) bandwidth = bandwidth * 3 / 8; /* 0.375 */ /* estimate the frame rate */ @@ -650,7 +647,7 @@ static u32 which_bandwidth(struct gspca_dev *gspca_dev) /* don't hope more than 15 fps with USB 1.1 and * image resolution >= 640x480 */ - if (gspca_dev->width >= 640 + if (gspca_dev->pixfmt.width >= 640 && gspca_dev->dev->speed == USB_SPEED_FULL) bandwidth *= 15; /* 15 fps */ else @@ -982,9 +979,7 @@ static void gspca_set_default_mode(struct gspca_dev *gspca_dev) i = gspca_dev->cam.nmodes - 1; /* take the highest mode */ gspca_dev->curr_mode = i; - gspca_dev->width = gspca_dev->cam.cam_mode[i].width; - gspca_dev->height = gspca_dev->cam.cam_mode[i].height; - gspca_dev->pixfmt = gspca_dev->cam.cam_mode[i].pixelformat; + gspca_dev->pixfmt = gspca_dev->cam.cam_mode[i]; /* does nothing if ctrl_handler == NULL */ v4l2_ctrl_handler_setup(gspca_dev->vdev.ctrl_handler); @@ -1105,10 +1100,8 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *fmt) { struct gspca_dev *gspca_dev = video_drvdata(file); - int mode; - mode = gspca_dev->curr_mode; - fmt->fmt.pix = gspca_dev->cam.cam_mode[mode]; + fmt->fmt.pix = gspca_dev->pixfmt; /* some drivers use priv internally, zero it before giving it to userspace */ fmt->fmt.pix.priv = 0; @@ -1140,6 +1133,12 @@ static int try_fmt_vid_cap(struct gspca_dev *gspca_dev, mode = mode2; } fmt->fmt.pix = gspca_dev->cam.cam_mode[mode]; + if (gspca_dev->sd_desc->try_fmt) { + /* pass original resolution to subdriver try_fmt */ + fmt->fmt.pix.width = w; + fmt->fmt.pix.height = h; + gspca_dev->sd_desc->try_fmt(gspca_dev, fmt); + } /* some drivers use priv internally, zero it before giving it to userspace */ fmt->fmt.pix.priv = 0; @@ -1178,19 +1177,16 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, goto out; } - if (ret == gspca_dev->curr_mode) { - ret = 0; - goto out; /* same mode */ - } - if (gspca_dev->streaming) { ret = -EBUSY; goto out; } - gspca_dev->width = fmt->fmt.pix.width; - gspca_dev->height = fmt->fmt.pix.height; - gspca_dev->pixfmt = fmt->fmt.pix.pixelformat; gspca_dev->curr_mode = ret; + if (gspca_dev->sd_desc->try_fmt) + /* subdriver try_fmt can modify format parameters */ + gspca_dev->pixfmt = fmt->fmt.pix; + else + gspca_dev->pixfmt = gspca_dev->cam.cam_mode[ret]; ret = 0; out: @@ -1205,6 +1201,9 @@ static int vidioc_enum_framesizes(struct file *file, void *priv, int i; __u32 index = 0; + if (gspca_dev->sd_desc->enum_framesizes) + return gspca_dev->sd_desc->enum_framesizes(gspca_dev, fsize); + for (i = 0; i < gspca_dev->cam.nmodes; i++) { if (fsize->pixel_format != gspca_dev->cam.cam_mode[i].pixelformat) @@ -1471,8 +1470,9 @@ static int vidioc_streamon(struct file *file, void *priv, if (ret < 0) goto out; } - PDEBUG_MODE(gspca_dev, D_STREAM, "stream on OK", gspca_dev->pixfmt, - gspca_dev->width, gspca_dev->height); + PDEBUG_MODE(gspca_dev, D_STREAM, "stream on OK", + gspca_dev->pixfmt.pixelformat, + gspca_dev->pixfmt.width, gspca_dev->pixfmt.height); ret = 0; out: mutex_unlock(&gspca_dev->queue_lock); |