}
#include <mutex>
+#include <vector>
class KeyFrameSignalReceiver {
public:
~Mux();
void add_packet(const AVPacket &pkt, int64_t pts, int64_t dts);
+ // As long as the mux is plugged, it will not actually write anything to disk,
+ // just queue the packets. Once it is unplugged, the packets are reordered by pts
+ // and written. This is primarily useful if you might have two different encoders
+ // writing to the mux at the same time (because one is shutting down), so that
+ // pts might otherwise come out-of-order.
+ //
+ // You can plug and unplug multiple times; only when the plug count reaches zero,
+ // something will actually happen.
+ void plug();
+ void unplug();
+
private:
- std::mutex ctx_mu;
- AVFormatContext *avctx; // Protected by <ctx_mu>.
+ std::mutex mu;
+ AVFormatContext *avctx; // Protected by <mu>.
+ int plug_count = 0; // Protected by <mu>.
+ std::vector<AVPacket *> plugged_packets; // Protected by <mu>.
+
AVStream *avstream_video, *avstream_audio;
KeyFrameSignalReceiver *keyframe_signal_receiver;
};