diff --git a/aegisub/audio_player_alsa.cpp b/aegisub/audio_player_alsa.cpp
index 84fdede52..5dc5bdccd 100644
--- a/aegisub/audio_player_alsa.cpp
+++ b/aegisub/audio_player_alsa.cpp
@@ -397,6 +397,8 @@ __int64 AlsaPlayer::GetEndPosition()
 // Get current position
 __int64 AlsaPlayer::GetCurrentPosition()
 {
+	// FIXME: this should be based on not duration played but actual sample being heard
+	// (during vidoeo playback, cur_frame might get changed to resync)
 	snd_pcm_sframes_t delay = 0;
 	snd_pcm_delay(pcm_handle, &delay); // don't bother catching errors here
 	return cur_frame - delay;
diff --git a/aegisub/audio_player_dsound.cpp b/aegisub/audio_player_dsound.cpp
index df74806d8..7c87a060c 100644
--- a/aegisub/audio_player_dsound.cpp
+++ b/aegisub/audio_player_dsound.cpp
@@ -395,6 +395,8 @@ __int64 DirectSoundPlayer::GetCurrentPosition() {
 	// Check if buffer is loaded
 	if (!buffer || !playing) return 0;
 
+	// FIXME: this should be based on not duration played but actual sample being heard
+	// (during vidoeo playback, cur_frame might get changed to resync)
 	DWORD curtime = GetTickCount();
 	__int64 tdiff = curtime - startTime;
 	return startPos + tdiff * provider->GetSampleRate() / 1000;
diff --git a/aegisub/audio_player_openal.cpp b/aegisub/audio_player_openal.cpp
index c553198c3..574d02cce 100644
--- a/aegisub/audio_player_openal.cpp
+++ b/aegisub/audio_player_openal.cpp
@@ -384,6 +384,8 @@ __int64 OpenALPlayer::GetEndPosition()
 // Get current position
 __int64 OpenALPlayer::GetCurrentPosition()
 {
+	// FIXME: this should be based on not duration played but actual sample being heard
+	// (during vidoeo playback, cur_frame might get changed to resync)
 	long extra = playback_segment_timer.Time();
 	return buffers_played * buffer_length + start_frame + extra * samplerate / 1000;
 }
diff --git a/aegisub/audio_player_pulse.cpp b/aegisub/audio_player_pulse.cpp
index 4c237b769..15e511e83 100644
--- a/aegisub/audio_player_pulse.cpp
+++ b/aegisub/audio_player_pulse.cpp
@@ -395,6 +395,9 @@ __int64 PulseAudioPlayer::GetCurrentPosition()
 {
 	if (!is_playing) return 0;
 
+	// FIXME: this should be based on not duration played but actual sample being heard
+	// (during vidoeo playback, cur_frame might get changed to resync)
+
 	// Calculation duration we have played, in microseconds
 	pa_usec_t play_cur_time;
 	pa_stream_get_time(stream, &play_cur_time);