New DCPTime/ContentTime types.

1 files changed, 0 insertions, 84 deletions

diff --git a/src/lib/util.cc b/src/lib/util.cc
index 7089ef2a5..78e7b480c 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -492,33 +492,6 @@ md5_digest (vector<boost::filesystem::path> files, shared_ptr<Job> job)
 	return s.str ();
 }
 
-static bool
-about_equal (float a, float b)
-{
-	/* A film of F seconds at f FPS will be Ff frames;
-	   Consider some delta FPS d, so if we run the same
-	   film at (f + d) FPS it will last F(f + d) seconds.
-
-	   Hence the difference in length over the length of the film will
-	   be F(f + d) - Ff frames
-	    = Ff + Fd - Ff frames
-	    = Fd frames
-	    = Fd/f seconds
- 
-	   So if we accept a difference of 1 frame, ie 1/f seconds, we can
-	   say that
-
-	   1/f = Fd/f
-	ie 1 = Fd
-	ie d = 1/F
- 
-	   So for a 3hr film, ie F = 3 * 60 * 60 = 10800, the acceptable
-	   FPS error is 1/F ~= 0.0001 ~= 10-e4
-	*/
-
-	return (fabs (a - b) < 1e-4);
-}
-
 /** @param An arbitrary audio frame rate.
  *  @return The appropriate DCP-approved frame rate (48kHz or 96kHz).
  */
@@ -778,17 +751,6 @@ ensure_ui_thread ()
 	assert (boost::this_thread::get_id() == ui_thread);
 }
 
-/** @param v Content video frame.
- *  @param audio_sample_rate Source audio sample rate.
- *  @param frames_per_second Number of video frames per second.
- *  @return Equivalent number of audio frames for `v'.
- */
-int64_t
-video_frames_to_audio_frames (VideoFrame v, float audio_sample_rate, float frames_per_second)
-{
-	return ((int64_t) v * audio_sample_rate / frames_per_second);
-}
-
 string
 audio_channel_name (int c)
 {
@@ -812,45 +774,6 @@ audio_channel_name (int c)
 	return channels[c];
 }
 
-FrameRateChange::FrameRateChange (float source, int dcp)
-	: skip (false)
-	, repeat (1)
-	, change_speed (false)
-{
-	if (fabs (source / 2.0 - dcp) < fabs (source - dcp)) {
-		/* The difference between source and DCP frame rate will be lower
-		   (i.e. better) if we skip.
-		*/
-		skip = true;
-	} else if (fabs (source * 2 - dcp) < fabs (source - dcp)) {
-		/* The difference between source and DCP frame rate would be better
-		   if we repeated each frame once; it may be better still if we
-		   repeated more than once.  Work out the required repeat.
-		*/
-		repeat = round (dcp / source);
-	}
-
-	speed_up = dcp / (source * factor());
-	change_speed = !about_equal (speed_up, 1.0);
-
-	if (!skip && repeat == 1 && !change_speed) {
-		description = _("Content and DCP have the same rate.\n");
-	} else {
-		if (skip) {
-			description = _("DCP will use every other frame of the content.\n");
-		} else if (repeat == 2) {
-			description = _("Each content frame will be doubled in the DCP.\n");
-		} else if (repeat > 2) {
-			description = String::compose (_("Each content frame will be repeated %1 more times in the DCP.\n"), repeat - 1);
-		}
-
-		if (change_speed) {
-			float const pc = dcp * 100 / (source * factor());
-			description += String::compose (_("DCP will run at %1%% of the content speed.\n"), pc);
-		}
-	}
-}
-
 LocaleGuard::LocaleGuard ()
 	: _old (0)
 {
@@ -1002,13 +925,6 @@ fit_ratio_within (float ratio, dcp::Size full_frame)
 	return dcp::Size (full_frame.width, rint (full_frame.width / ratio));
 }
 
-DCPTime
-time_round_up (DCPTime t, DCPTime nearest)
-{
-	DCPTime const a = t + nearest - 1;
-	return a - (a % nearest);
-}
-
 void *
 wrapped_av_malloc (size_t s)
 {