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Add TVI_CONTROL_VID_SET_WIDTH_HEIGHT to set width and height together for v4l2,

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otherwise some drivers will always stay stuck in the lowest resolution.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28975 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-03-16 17:12:29 +00:00
parent 91dd12b122
commit b397b28b31
3 changed files with 15 additions and 0 deletions
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6
stream/tv.c
View File

@ -439,6 +439,12 @@ static int open_tv(tvi_handle_t *tvh)
#endif
/* limits on w&h are norm-dependent -- JM */
if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
// first tell the driver both width and height, some drivers do not support setting them independently.
int dim[2];
dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
}
/* set width */
if (tvh->tv_param->width != -1)
{

1
stream/tv.h
View File

@ -175,6 +175,7 @@ typedef struct {
#define TVI_CONTROL_VID_SET_PICTURE 0x11e
#define TVI_CONTROL_VID_SET_GAIN 0x11f
#define TVI_CONTROL_VID_GET_GAIN 0x120
#define TVI_CONTROL_VID_SET_WIDTH_HEIGHT 0x121
/* TUNER controls */
#define TVI_CONTROL_TUN_GET_FREQ 0x201

8
stream/tvi_v4l2.c
View File

@ -780,6 +780,14 @@ static int control(priv_t *priv, int cmd, void *arg)
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_CHK_WIDTH:
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_SET_WIDTH_HEIGHT:
if (getfmt(priv) < 0) return TVI_CONTROL_FALSE;
priv->format.fmt.pix.width = ((int *)arg)[0];
priv->format.fmt.pix.height = ((int *)arg)[1];
priv->format.fmt.pix.field = V4L2_FIELD_ANY;
if (ioctl(priv->video_fd, VIDIOC_S_FMT, &priv->format) < 0)
return TVI_CONTROL_FALSE;
return TVI_CONTROL_TRUE;
case TVI_CONTROL_VID_SET_WIDTH:
if (getfmt(priv) < 0) return TVI_CONTROL_FALSE;
priv->format.fmt.pix.width = *(int *)arg;