starred/obs-studio
1
0
Fork 0
mirror of https://github.com/obsproject/obs-studio.git synced 2026-08-24 10:14:13 -05:00
Code Issues Packages Projects Releases Wiki Activity

linux-pipewire: Add aspect ratio to video capture format name

Browse Source
This commit is contained in:
tytan652
2025-08-22 14:34:28 -04:00
committed by Ryan Foster
parent 3cce28a1d3
commit 2fe0385d13
1 changed files with 46 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
plugins/linux-pipewire/camera-portal.c
+46 -1
View File
@@ -281,6 +281,42 @@ static void stream_camera(struct camera_portal_source *camera_source)
obs_pipewire_connect_stream(connection->obs_pw, camera_source->source, device->id, &connect_info);
}
static double gcd(uint32_t m, uint32_t n)
{
if (n == 0)
return m;
return gcd(n, m % n);
}
static struct dstr aspect_ratio_from_spa_rectangle(struct spa_rectangle rect)
{
struct dstr str = {};
double divisor = gcd(rect.width, rect.height);
if (divisor <= 50) {
if (rect.width > rect.height) {
double x = (double)rect.width / (double)rect.height;
dstr_printf(&str, "%.2f:1", x);
} else {
double y = (double)rect.height / (double)rect.width;
dstr_printf(&str, "1:%.2f", y);
}
} else {
uint32_t x = rect.width / (uint32_t)divisor;
uint32_t y = rect.height / (uint32_t)divisor;
if (x == 8 && y == 5) {
x = 16;
y = 10;
}
dstr_printf(&str, "%u:%u", x, y);
}
return str;
}
static void camera_format_list(struct camera_device *dev, obs_property_t *prop)
{
struct param *p;
@@ -291,6 +327,7 @@ static void camera_format_list(struct camera_device *dev, obs_property_t *prop)
spa_list_for_each(p, &dev->param_list, link)
{
struct dstr str = {};
struct dstr aspect_ratio;
uint32_t media_type, media_subtype;
uint32_t format = 0;
const char *format_name;
@@ -372,7 +409,15 @@ static void camera_format_list(struct camera_device *dev, obs_property_t *prop)
continue;
}
dstr_printf(&str, "%ux%u - ", resolution.width, resolution.height);
dstr_printf(&str, "%ux%u", resolution.width, resolution.height);
aspect_ratio = aspect_ratio_from_spa_rectangle(resolution);
if (aspect_ratio.len != 0) {
dstr_catf(&str, " (%s)", aspect_ratio.array);
dstr_free(&aspect_ratio);
}
dstr_cat(&str, " - ");
for (int i = framerates->len - 1; i >= 0; i--) {
const struct spa_fraction *framerate = &g_array_index(framerates, struct spa_fraction, i);