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Show name of webcam in webcam list

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dec05eba
2026-04-19 18:49:35 +02:00
parent cf7df867ab
commit 1152c0edb0
1 changed files with 33 additions and 1 deletions
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34
src/gui/SettingsPage.cpp
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@@ -17,6 +17,8 @@
#include <algorithm>
#include <cmath>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <charconv>
@@ -55,6 +57,35 @@ namespace gsr {
|| supported_video_codecs.av1_10bit_vulkan;
}
static std::optional<std::string> webcam_get_name(std::string_view webcam_path) {
std::optional<std::string> v4l2_device_name;
if(!starts_with(webcam_path, "/dev/video"))
return v4l2_device_name;
const std::string_view path_filename = webcam_path.substr(5);
char v4l2_device_name_path[64];
snprintf(v4l2_device_name_path, sizeof(v4l2_device_name_path), "/sys/class/video4linux/%.*s/name", (int)path_filename.size(), path_filename.data());
fprintf(stderr, "v4l2 device path: |%s|\n", v4l2_device_name_path);
const int fd = open(v4l2_device_name_path, O_RDONLY);
if(fd < 0)
return v4l2_device_name;
char webcam_name_buf[256];
const ssize_t bytes_read = read(fd, webcam_name_buf, sizeof(webcam_name_buf));
if(bytes_read > 0) {
v4l2_device_name = std::string(webcam_name_buf, bytes_read);
if(v4l2_device_name->back() == '\n')
v4l2_device_name->pop_back();
v4l2_device_name.value() += " (" + std::string(webcam_path) + ")";
}
close(fd);
return v4l2_device_name;
}
SettingsPage::SettingsPage(Type type, const GsrInfo *gsr_info, Config &config, PageStack *page_stack, bool supports_window_title) :
StaticPage(mgl::vec2f(get_theme().window_width, get_theme().window_height).floor()),
type(type),
@@ -221,7 +252,8 @@ namespace gsr {
auto combobox = std::make_unique<ComboBox>(get_theme().body_font_desc.c_str());
combobox->add_item(TR("None"), "");
for(const GsrCamera &camera : capture_options.cameras) {
combobox->add_item(camera.path, camera.path);
const std::string camera_name = webcam_get_name(camera.path).value_or(camera.path);
combobox->add_item(camera_name, camera.path);
}
webcam_sources_box_ptr = combobox.get();