When doing a cut, do the shutdown in a separate thread.

[nageru] / video_encoder.h

diff --git a/video_encoder.h b/video_encoder.h
index 81c48992f8c7620289e83abc458dd6e7ddbaf2ad..617b51842554b5db5f5325e4c1cfeafff94c591f 100644 (file)
--- a/video_encoder.h
+++ b/video_encoder.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 #include <memory>
+#include <set>
 #include <string>
 #include <vector>
 
@@ -20,9 +21,13 @@ class QSurface;
 class QuickSyncEncoder;
 class X264Encoder;
 
+namespace movit {
+class ResourcePool;
+}  // namespace movit
+
 class VideoEncoder : public KeyFrameSignalReceiver {
 public:
-       VideoEncoder(QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd);
+       VideoEncoder(movit::ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd);
        ~VideoEncoder();
 
        void add_audio(int64_t pts, std::vector<float> audio);
@@ -42,7 +47,10 @@ private:
        static int write_packet_thunk(void *opaque, uint8_t *buf, int buf_size);
        int write_packet(uint8_t *buf, int buf_size);
 
-       std::unique_ptr<QuickSyncEncoder> quicksync_encoder;
+       AVOutputFormat *oformat;
+       std::mutex qs_mu;
+       std::unique_ptr<QuickSyncEncoder> quicksync_encoder;  // Under <qs_mu>.
+       movit::ResourcePool *resource_pool;
        QSurface *surface;
        std::string va_display;
        int width, height;
@@ -58,6 +66,12 @@ private:
        std::string stream_mux_header;
 
        bool stream_mux_writing_keyframes = false;
+
+       std::atomic<int> quicksync_encoders_in_shutdown{0};
+
+       // Encoders that are shutdown, but need to call release_gl_resources()
+       // (or be deleted) from some thread with an OpenGL context.
+       std::vector<std::unique_ptr<QuickSyncEncoder>> qs_needing_cleanup;  // Under <qs_mu>.
 };
 
 #endif