Show interpolated frames in the live window.

[nageru] / player.cpp

diff --git a/player.cpp b/player.cpp
index 136da21901c44d408a267c27f7c47689b4ca195a..5ff448c4bc239ec2b0975a9b7597e27da81891df 100644 (file)
--- a/player.cpp
+++ b/player.cpp
@@ -137,7 +137,7 @@ void Player::thread_func(bool also_output_to_stream)
                        }
 
                        if (in_pts_lower == in_pts_upper) {
-                               destination->setFrame(stream_idx, in_pts_lower);
+                               destination->setFrame(stream_idx, in_pts_lower, /*interpolated=*/false);
                                if (video_stream != nullptr) {
                                        video_stream->schedule_original_frame(lrint(out_pts), stream_idx, in_pts_lower);
                                }
@@ -149,14 +149,14 @@ void Player::thread_func(bool also_output_to_stream)
                        double in_pts_lower_as_frameno = (in_pts_lower - in_pts_origin) * output_framerate / TIMEBASE / speed;
                        double in_pts_upper_as_frameno = (in_pts_upper - in_pts_origin) * output_framerate / TIMEBASE / speed;
                        if (fabs(in_pts_lower_as_frameno - frameno) < 0.01) {
-                               destination->setFrame(stream_idx, in_pts_lower);
+                               destination->setFrame(stream_idx, in_pts_lower, /*interpolated=*/false);
                                if (video_stream != nullptr) {
                                        video_stream->schedule_original_frame(lrint(out_pts), stream_idx, in_pts_lower);
                                }
                                in_pts_origin += in_pts_lower - in_pts;
                                continue;
                        } else if (fabs(in_pts_upper_as_frameno - frameno) < 0.01) {
-                               destination->setFrame(stream_idx, in_pts_upper);
+                               destination->setFrame(stream_idx, in_pts_upper, /*interpolated=*/false);
                                if (video_stream != nullptr) {
                                        video_stream->schedule_original_frame(lrint(out_pts), stream_idx, in_pts_upper);
                                }
@@ -165,10 +165,14 @@ void Player::thread_func(bool also_output_to_stream)
                        }
 
                        double alpha = double(in_pts - in_pts_lower) / (in_pts_upper - in_pts_lower);
-                       destination->setFrame(stream_idx, in_pts_lower);  // FIXME
 
-                       if (video_stream != nullptr) {
-                               // Send the frame to the stream.
+                       if (video_stream == nullptr) {
+                               // Previews don't do any interpolation.
+                               destination->setFrame(stream_idx, in_pts_lower, /*interpolated=*/false);
+                       } else {
+                               // Calculate the interpolated frame. When it's done, the destination
+                               // will be unblocked.
+                               destination->setFrame(stream_idx, lrint(out_pts), /*interpolated=*/true);
                                video_stream->schedule_interpolated_frame(lrint(out_pts), stream_idx, in_pts_lower, in_pts_upper, alpha);
                        }
                }
@@ -244,5 +248,5 @@ void Player::override_angle(unsigned stream_idx)
        if (it == frames[stream_idx].end()) {
                return;
        }
-       destination->setFrame(stream_idx, *it);
+       destination->setFrame(stream_idx, *it, /*interpolated=*/false);
 }