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:
Player(JPEGFrameView *destination, StreamOutput stream_output, AVFormatContext *file_avctx = nullptr);
~Player();
- struct ClipWithRow {
- Clip clip;
- unsigned row; // Used for progress callback only.
- };
void play(const Clip &clip)
{
- play({ ClipWithRow{ clip, 0 } });
+ play({ ClipWithID{ clip, 0 } });
}
- void play(const std::vector<ClipWithRow> &clips);
+ 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)
+ {
+ 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()>;
// Not thread-safe to set concurrently with playing.
// Will be called back from the player thread.
// 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<size_t, double> &progress)>;
+ 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.
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);
+ 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);
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);
std::thread player_thread;
std::atomic<bool> should_quit{ false };
+ std::atomic<bool> should_skip_to_next{ false };
+ std::atomic<float> change_master_speed{ 0.0f / 0.0f };
JPEGFrameView *destination;
done_callback_func done_callback;
std::mutex queue_state_mu;
std::condition_variable new_clip_changed;
- std::vector<ClipWithRow> 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 };
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)