X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=player.h;h=c7f8e070a71a0ce697e1c21edd14727a3892762f;hb=3795723be95f2fe82f3c8b8b45b1a905b2c811fd;hp=63d4871c8c653ebdbe02bb1ef10259d93ea46b01;hpb=b9583e6a9c726eeee96eb574a81b77f521f9c004;p=nageru

diff --git a/player.h b/player.h
index 63d4871..c7f8e07 100644
--- a/player.h
+++ b/player.h
@@ -2,6 +2,8 @@
 #define _PLAYER_H 1
 
 #include "clip_list.h"
+#include "frame_on_disk.h"
+#include "queue_spot_holder.h"
 
 extern "C" {
 #include <libavformat/avio.h>
@@ -16,11 +18,11 @@ class VideoStream;
 class QSurface;
 class QSurfaceFormat;
 
-class Player {
+class Player : public QueueInterface {
 public:
 	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.
@@ -30,14 +32,19 @@ public:
 
 	// Not thread-safe to set concurrently with playing.
 	// Will be called back from the player thread.
-	using next_clip_callback_func = std::function<Clip()>;
+	// 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(double played_this_clip, double total_length)>;
+	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(bool also_output_to_stream);
 	void open_output_stream();
@@ -46,7 +53,7 @@ private:
 
 	// 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, int64_t *pts_lower, int64_t *pts_upper);
+	bool find_surrounding_frames(int64_t pts, int stream_idx, FrameOnDisk *frame_lower, FrameOnDisk *frame_upper);
 
 	JPEGFrameView *destination;
 	done_callback_func done_callback;
@@ -55,6 +62,7 @@ private:
 
 	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;
@@ -64,6 +72,11 @@ private:
 	int override_stream_idx = -1;  // Under queue_state_mu.
 
 	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)