class QSurface;
class QSurfaceFormat;
+struct TimeRemaining {
+ size_t num_infinite;
+ double t;
+};
+
class Player : public QueueInterface {
public:
enum StreamOutput {
Player(JPEGFrameView *destination, StreamOutput stream_output, AVFormatContext *file_avctx = nullptr);
~Player();
- void play_clip(const Clip &clip, size_t clip_idx, unsigned stream_idx);
- void override_angle(unsigned stream_idx); // For the current clip only.
+ 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.
// 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)>;
+ // 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.
void release_queue_spot() override;
private:
- void thread_func(StreamOutput stream_output, AVFormatContext *file_avctx);
+ 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);
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;
- 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;
std::condition_variable new_clip_changed;
+ 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 };
+
// 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;
+
+ // State private to the player thread.
+ int64_t pts = 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)
projects / nageru / blobdiff