Allow symlinked frame files. Useful for testing.

[nageru] / player.h

diff --git a/player.h b/player.h
index ab8f0787573799723ec62c6f083d8eb5334db35e..c7f8e070a71a0ce697e1c21edd14727a3892762f 100644 (file)
--- a/player.h
+++ b/player.h
@@ -2,23 +2,27 @@
 #define _PLAYER_H 1
 
 #include "clip_list.h"
-
-#include <condition_variable>
-#include <functional>
-#include <mutex>
+#include "frame_on_disk.h"
+#include "queue_spot_holder.h"
 
 extern "C" {
 #include <libavformat/avio.h>
 }
 
+#include <condition_variable>
+#include <functional>
+#include <mutex>
+
 class JPEGFrameView;
-class Mux;
+class VideoStream;
+class QSurface;
+class QSurfaceFormat;
 
-class Player {
+class Player : public QueueInterface {
 public:
-       Player(JPEGFrameView *destination);
+       Player(JPEGFrameView *destination, bool also_output_to_stream);
 
-       void play_clip(const Clip &clip, unsigned stream_idx);
+       void play_clip(const Clip &clip, size_t clip_idx, unsigned stream_idx);
        void override_angle(unsigned stream_idx);  // For the current clip only.
 
        // Not thread-safe to set concurrently with playing.
@@ -26,17 +30,39 @@ public:
        using done_callback_func = std::function<void()>;
        void set_done_callback(done_callback_func cb) { done_callback = cb; }
 
+       // Not thread-safe to set concurrently with playing.
+       // Will be called back from the player thread.
+       // The second parameter is the clip's position in the play list.
+       using next_clip_callback_func = std::function<std::pair<Clip, size_t>()>;
+       void set_next_clip_callback(next_clip_callback_func cb) { next_clip_callback = cb; }
+
+       // Not thread-safe to set concurrently with playing.
+       // Will be called back from the player thread.
+       using progress_callback_func = std::function<void(const std::map<size_t, double> &progress)>;
+       void set_progress_callback(progress_callback_func cb) { progress_callback = cb; }
+
+       // QueueInterface.
+       void take_queue_spot() override;
+       void release_queue_spot() override;
+
 private:
-       void thread_func();
+       void thread_func(bool also_output_to_stream);
        void open_output_stream();
        static int write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
        int write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time);
 
+       // Find the frame immediately before and after this point.
+       // Returns false if pts is after the last frame.
+       bool find_surrounding_frames(int64_t pts, int stream_idx, FrameOnDisk *frame_lower, FrameOnDisk *frame_upper);
+
        JPEGFrameView *destination;
        done_callback_func done_callback;
+       next_clip_callback_func next_clip_callback;
+       progress_callback_func progress_callback;
 
        std::mutex mu;
        Clip current_clip;  // Under mu. Can have pts_in = -1 for no clip.
+       size_t current_clip_idx;  // Under mu.
        unsigned current_stream_idx;  // Under mu.
 
        std::mutex queue_state_mu;
@@ -45,10 +71,12 @@ private:
        bool playing = false;  // Under queue_state_mu.
        int override_stream_idx = -1;  // Under queue_state_mu.
 
-       // For streaming.
-       std::unique_ptr<Mux> stream_mux;  // To HTTP.
-       std::string stream_mux_header;
-       bool seen_sync_markers = false;
+       std::unique_ptr<VideoStream> video_stream;  // Can be nullptr.
+
+       // under queue_state_mu. Part of this instead of VideoStream so that we own
+       // its lock and can sleep on it.
+       size_t num_queued_frames = 0;
+       static constexpr size_t max_queued_frames = 10;
 };
 
 #endif  // !defined(_PLAYER_H)