X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=bmusb.h;h=bf1f51fb60eb65b77a40d26da003787b88414ded;hb=76a878cbab84d8c3c2859b28a2363085d6a2fcb1;hp=9ee6617a6e7874164a8a53603a47d974acf01694;hpb=a5e46ba4b478f7fae63f3032e574208c0e69cc11;p=bmusb

diff --git a/bmusb.h b/bmusb.h
index 9ee6617..bf1f51f 100644
--- a/bmusb.h
+++ b/bmusb.h
@@ -97,6 +97,7 @@ struct VideoFormat {
 	unsigned frame_rate_nom = 0, frame_rate_den = 0;
 	bool interlaced = false;
 	bool has_signal = false;
+	bool is_connected = true;  // If false, then has_signal makes no sense.
 };
 
 struct AudioFormat {
@@ -177,6 +178,9 @@ class BMUSBCapture : public CaptureInterface {
 	void set_video_frame_allocator(FrameAllocator *allocator) override
 	{
 		video_frame_allocator = allocator;
+		if (owned_video_frame_allocator.get() != allocator) {
+			owned_video_frame_allocator.reset();
+		}
 	}
 
 	FrameAllocator *get_video_frame_allocator() override
@@ -188,6 +192,9 @@ class BMUSBCapture : public CaptureInterface {
 	void set_audio_frame_allocator(FrameAllocator *allocator) override
 	{
 		audio_frame_allocator = allocator;
+		if (owned_audio_frame_allocator.get() != allocator) {
+			owned_audio_frame_allocator.reset();
+		}
 	}
 
 	FrameAllocator *get_audio_frame_allocator() override
@@ -251,6 +258,8 @@ class BMUSBCapture : public CaptureInterface {
 
 	FrameAllocator *video_frame_allocator = nullptr;
 	FrameAllocator *audio_frame_allocator = nullptr;
+	std::unique_ptr<FrameAllocator> owned_video_frame_allocator;
+	std::unique_ptr<FrameAllocator> owned_audio_frame_allocator;
 	frame_callback_t frame_callback = nullptr;
 
 	std::thread dequeue_thread;