]> git.sesse.net Git - nageru/blobdiff - futatabi/player.h
Log a warning when we kill a client that is not keeping up.
[nageru] / futatabi / player.h
index 92b6eea5e257136e27cb700c533867460e91a7d3..597f70209373ae601c6b7d6401d3e53ffb8f88e1 100644 (file)
@@ -20,7 +20,10 @@ class VideoStream;
 class QSurface;
 class QSurfaceFormat;
 
-double compute_time_left(const std::vector<Clip> &clips, const std::map<size_t, double> &progress);
+struct TimeRemaining {
+       size_t num_infinite;
+       double t;
+};
 
 class Player : public QueueInterface {
 public:
@@ -32,9 +35,48 @@ public:
        Player(JPEGFrameView *destination, StreamOutput stream_output, AVFormatContext *file_avctx = nullptr);
        ~Player();
 
-       void play(const std::vector<Clip> &clips);
+       void play(const Clip &clip)
+       {
+               play({ ClipWithID{ clip, 0 } });
+       }
+       void play(const std::vector<ClipWithID> &clips);
        void override_angle(unsigned stream_idx);  // Assumes one-clip playlist only.
 
+       // Replace the part of the playlist that we haven't started playing yet
+       // (ie., from the point immediately after the last current playing clip
+       // and to the end) with the given one.
+       //
+       // E.g., if we have the playlist A, B, C, D, E, F, we're currently in a fade
+       // from B to C and run splice_play() with the list G, C, H, I, the resulting
+       // list will be A, B, C, H, I. (If the new list doesn't contain B nor C,
+       // there will be some heuristics.) Note that we always compare on ID only;
+       // changes will be ignored for the purposes of setting the split point,
+       // although the newly-spliced entries will of course get the new in/out points
+       // etc., which is the main reason for going through this exercise in the first
+       // place.
+       //
+       // If nothing is playing, the call will be ignored.
+       void splice_play(const std::vector<ClipWithID> &clips);
+
+       // Set the status string that will be used for the video stream's status subtitles
+       // whenever we are not playing anything.
+       void set_pause_status(const std::string &status)
+       {
+               std::lock_guard<std::mutex> lock(queue_state_mu);
+               pause_status = status;
+       }
+
+       void skip_to_next()
+       {
+               should_skip_to_next = true;
+       }
+
+       void set_master_speed(float speed)
+       {
+               start_master_speed = speed;
+               change_master_speed = speed;
+       }
+
        // Not thread-safe to set concurrently with playing.
        // Will be called back from the player thread.
        using done_callback_func = std::function<void()>;
@@ -42,8 +84,8 @@ public:
 
        // Not thread-safe to set concurrently with playing.
        // Will be called back from the player thread.
-       // The keys in the given map are indexes in the vector given to play().
-       using progress_callback_func = std::function<void(const std::map<size_t, double> &progress)>;
+       // The keys in the given map are row members in the vector given to play().
+       using progress_callback_func = std::function<void(const std::map<uint64_t, double> &progress, TimeRemaining time_remaining)>;
        void set_progress_callback(progress_callback_func cb) { progress_callback = cb; }
 
        // QueueInterface.
@@ -53,6 +95,7 @@ public:
 private:
        void thread_func(AVFormatContext *file_avctx);
        void play_playlist_once();
+       void display_single_frame(int primary_stream_idx, const FrameOnDisk &primary_frame, int secondary_stream_idx, const FrameOnDisk &secondary_frame, double fade_alpha, std::chrono::steady_clock::time_point frame_start, bool snapped, const std::string &subtitle, bool play_audio);
        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);
@@ -62,7 +105,10 @@ private:
        bool find_surrounding_frames(int64_t pts, int stream_idx, FrameOnDisk *frame_lower, FrameOnDisk *frame_upper);
 
        std::thread player_thread;
-       std::atomic<bool> should_quit{false};
+       std::atomic<bool> should_quit{ false };
+       std::atomic<bool> should_skip_to_next{ false };
+       std::atomic<float> start_master_speed{ 1.0f };
+       std::atomic<float> change_master_speed{ 0.0f / 0.0f };
 
        JPEGFrameView *destination;
        done_callback_func done_callback;
@@ -70,23 +116,27 @@ private:
 
        std::mutex queue_state_mu;
        std::condition_variable new_clip_changed;
-       std::vector<Clip> queued_clip_list;   // Under queue_state_mu.
+       std::vector<ClipWithID> queued_clip_list;  // Under queue_state_mu.
        bool new_clip_ready = false;  // Under queue_state_mu.
        bool playing = false;  // Under queue_state_mu.
        int override_stream_idx = -1;  // Under queue_state_mu.
        int64_t last_pts_played = -1;  // Under queue_state_mu. Used by previews only.
 
+       bool splice_ready = false;  // Under queue_state_mu.
+       std::vector<ClipWithID> to_splice_clip_list;  // Under queue_state_mu.
+       std::string pause_status = "paused";  // Under queue_state_mu.
+
        std::unique_ptr<VideoStream> video_stream;  // Can be nullptr.
 
-       std::atomic<int64_t> metric_dropped_interpolated_frame{0};
-       std::atomic<int64_t> metric_dropped_unconditional_frame{0};
-       std::atomic<int64_t> metric_faded_frame{0};
-       std::atomic<int64_t> metric_faded_snapped_frame{0};
-       std::atomic<int64_t> metric_original_frame{0};
-       std::atomic<int64_t> metric_original_snapped_frame{0};
-       std::atomic<int64_t> metric_refresh_frame{0};
-       std::atomic<int64_t> metric_interpolated_frame{0};
-       std::atomic<int64_t> metric_interpolated_faded_frame{0};
+       std::atomic<int64_t> metric_dropped_interpolated_frame{ 0 };
+       std::atomic<int64_t> metric_dropped_unconditional_frame{ 0 };
+       std::atomic<int64_t> metric_faded_frame{ 0 };
+       std::atomic<int64_t> metric_faded_snapped_frame{ 0 };
+       std::atomic<int64_t> metric_original_frame{ 0 };
+       std::atomic<int64_t> metric_original_snapped_frame{ 0 };
+       std::atomic<int64_t> metric_refresh_frame{ 0 };
+       std::atomic<int64_t> metric_interpolated_frame{ 0 };
+       std::atomic<int64_t> metric_interpolated_faded_frame{ 0 };
 
        // under queue_state_mu. Part of this instead of VideoStream so that we own
        // its lock and can sleep on it.
@@ -98,4 +148,13 @@ private:
        const StreamOutput stream_output;
 };
 
+TimeRemaining compute_time_left(const std::vector<ClipWithID> &clips, size_t currently_playing_idx, double progress_currently_playing);
+
+static inline TimeRemaining compute_total_time(const std::vector<ClipWithID> &clips)
+{
+       return compute_time_left(clips, 0, 0.0);
+}
+
+std::string format_duration(TimeRemaining t);
+
 #endif  // !defined(_PLAYER_H)