X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fplayer.h;h=33c17239772ea1bd92e19ca539054140becf5bb4;hb=4d334dafa066cf9af7899a555e1145d1e4dd0b3d;hp=c8ed083fd544899124f749926c9598a0b0f9d235;hpb=4d7015171fbd6c36c480d1d7992b76bbb45410c5;p=nageru diff --git a/futatabi/player.h b/futatabi/player.h index c8ed083..33c1723 100644 --- a/futatabi/player.h +++ b/futatabi/player.h @@ -30,17 +30,29 @@ public: Player(JPEGFrameView *destination, StreamOutput stream_output, AVFormatContext *file_avctx = nullptr); ~Player(); - struct ClipWithRow { - Clip clip; - size_t row; // Used for progress callback only. - }; void play(const Clip &clip) { - play({ ClipWithRow{ clip, 0 } }); + play({ ClipWithID{ clip, 0 } }); } - void play(const std::vector &clips); + void play(const std::vector &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 &clips); + // Not thread-safe to set concurrently with playing. // Will be called back from the player thread. using done_callback_func = std::function; @@ -49,7 +61,7 @@ public: // 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 &progress, double time_remaining)>; + using progress_callback_func = std::function &progress, double time_remaining)>; void set_progress_callback(progress_callback_func cb) { progress_callback = cb; } // QueueInterface. @@ -77,12 +89,15 @@ private: std::mutex queue_state_mu; std::condition_variable new_clip_changed; - std::vector queued_clip_list; // Under queue_state_mu. + std::vector 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 to_splice_clip_list; // Under queue_state_mu. + std::unique_ptr video_stream; // Can be nullptr. std::atomic metric_dropped_interpolated_frame{ 0 }; @@ -105,9 +120,9 @@ private: const StreamOutput stream_output; }; -double compute_time_left(const std::vector &clips, size_t currently_playing_idx, double progress_currently_playing); +double compute_time_left(const std::vector &clips, size_t currently_playing_idx, double progress_currently_playing); -static inline double compute_total_time(const std::vector &clips) +static inline double compute_total_time(const std::vector &clips) { return compute_time_left(clips, 0, 0.0); }