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v4l2: small cleanups

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Improve size scoring.
Check video size after parsing.
This commit is contained in:
Wim Taymans 2022-11-03 13:25:44 +01:00
parent 866ef2ef21
commit fbd3885ff1
1 changed files with 19 additions and 13 deletions
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32
pipewire-v4l2/src/pipewire-v4l2.c
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@ -1086,6 +1086,10 @@ static int info_to_fmt(const struct spa_video_info *info, struct v4l2_format *fm
default:
return -EINVAL;
}
if (fmt->fmt.pix.width == 0 ||
fmt->fmt.pix.height == 0)
return -EINVAL;
fmt->fmt.pix.bytesperline = SPA_ROUND_UP_N(fmt->fmt.pix.width, 4) * fi->bpp;
fmt->fmt.pix.sizeimage = fmt->fmt.pix.bytesperline *
SPA_ROUND_UP_N(fmt->fmt.pix.height, 2);
@ -1371,12 +1375,12 @@ static int vidioc_g_fmt(struct file *file, struct v4l2_format *arg)
static int score_diff(struct v4l2_format *fmt, struct v4l2_format *tmp)
{
int score = 0;
int score = 0, w, h;
if (fmt->fmt.pix.pixelformat != tmp->fmt.pix.pixelformat)
score += 20000;
score += SPA_ABS((int)fmt->fmt.pix.width - (int)tmp->fmt.pix.width);
score += SPA_ABS((int)fmt->fmt.pix.height - (int)tmp->fmt.pix.height);
return score;
w = SPA_ABS((int)fmt->fmt.pix.width - (int)tmp->fmt.pix.width);
h = SPA_ABS((int)fmt->fmt.pix.height - (int)tmp->fmt.pix.height);
return score + (w*w) + (h*h);
}
static int try_format(struct file *file, struct v4l2_format *fmt)
@ -1540,25 +1544,27 @@ static int vidioc_try_fmt(struct file *file, struct v4l2_format *arg)
static int vidioc_enuminput(struct file *file, struct v4l2_input *arg)
{
if (arg->index != 0)
return -EINVAL;
spa_zero(*arg);
spa_scnprintf((char*)arg->name, sizeof(arg->name), "%s", DEFAULT_CARD);
arg->type = V4L2_INPUT_TYPE_CAMERA;
return 0;
switch (arg->index) {
case 0:
spa_scnprintf((char*)arg->name, sizeof(arg->name), "%s", DEFAULT_CARD);
arg->type = V4L2_INPUT_TYPE_CAMERA;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_g_input(struct file *file, int *arg)
{
*arg = 0;
return 0;
return 0;
}
static int vidioc_s_input(struct file *file, int *arg)
{
if (*arg != 0)
return -EINVAL;
return 0;
return 0;
}
static int vidioc_reqbufs(struct file *file, struct v4l2_requestbuffers *arg)