Support devices with multiple framerate options in get_max_fps (#1224)

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Matthew Egeler 2022-05-17 08:12:32 -04:00 committed by GitHub
parent 186361fd8a
commit f25bfb0096
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1 changed files with 20 additions and 2 deletions

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@ -382,9 +382,27 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
int fps = 0;
for (int i = 0; i < device.device.caps.get_size(); i++) {
unowned Gst.Structure structure = device.device.caps.get_structure(i);
int num = 0, den = 0;
if (structure.has_field("framerate") && structure.get_fraction("framerate", out num, out den)) fps = int.max(fps, num / den);
if (structure.has_field("framerate")) {
Value framerate = structure.get_value("framerate");
if (framerate.type() == typeof(Gst.Fraction)) {
int num = Gst.Value.get_fraction_numerator(framerate);
int den = Gst.Value.get_fraction_denominator(framerate);
fps = int.max(fps, num / den);
} else if (framerate.type() == typeof(Gst.ValueList)) {
for(uint j = 0; j < Gst.ValueList.get_size(framerate); j++) {
Value fraction = Gst.ValueList.get_value(framerate, j);
int num = Gst.Value.get_fraction_numerator(fraction);
int den = Gst.Value.get_fraction_denominator(fraction);
fps = int.max(fps, num / den);
}
} else {
debug("Unknown type for framerate %s on device %s", framerate.type_name(), device.display_name);
}
}
}
debug("Max framerate for device %s: %d", device.display_name, fps);
return fps;
}