#define _PLAYER_H 1
#include "clip_list.h"
-#include "video_stream.h"
+
+extern "C" {
+#include <libavformat/avio.h>
+}
#include <condition_variable>
#include <functional>
#include <mutex>
class JPEGFrameView;
+class VideoStream;
+class QSurface;
+class QSurfaceFormat;
class Player {
public:
- Player(JPEGFrameView *destination);
+ Player(JPEGFrameView *destination, bool also_output_to_stream);
void play_clip(const Clip &clip, unsigned stream_idx);
void override_angle(unsigned stream_idx); // For the current clip only.
using done_callback_func = std::function<void()>;
void set_done_callback(done_callback_func cb) { done_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)>;
+ void set_progress_callback(progress_callback_func cb) { progress_callback = cb; }
+
private:
- void thread_func();
+ void thread_func(bool also_output_to_stream);
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);
+ // 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);
+
JPEGFrameView *destination;
done_callback_func done_callback;
+ progress_callback_func progress_callback;
std::mutex mu;
Clip current_clip; // Under mu. Can have pts_in = -1 for no clip.
bool playing = false; // Under queue_state_mu.
int override_stream_idx = -1; // Under queue_state_mu.
- VideoStream video_stream;
+ std::unique_ptr<VideoStream> video_stream; // Can be nullptr.
};
#endif // !defined(_PLAYER_H)