From 2b63a88f26bdaa7bc9ade594f9f80e20f3b6afe2 Mon Sep 17 00:00:00 2001
From: Joe Gorse <jhgorse@gmail.com>
Date: Thu, 25 Feb 2016 11:34:40 +0200
Subject: [PATCH] avfvideosrc: Frame durations as CTime to the API, not double

Newer iOS seems to automatically convert, older iOS/OSX just crashes.

https://bugzilla.gnome.org/show_bug.cgi?id=762575
---
 sys/applemedia/avfvideosrc.m | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sys/applemedia/avfvideosrc.m b/sys/applemedia/avfvideosrc.m
index 1c8f633..529bd85 100644
--- a/sys/applemedia/avfvideosrc.m
+++ b/sys/applemedia/avfvideosrc.m
@@ -535,10 +535,8 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
                */
               frame_duration_value = [rate valueForKey:@"minFrameDuration"];
             } else {
-              double frame_duration;
-
-              gst_util_fraction_to_double (info->fps_d, info->fps_n, &frame_duration);
-              frame_duration_value = [NSNumber numberWithDouble:frame_duration];
+              // Invert fps_n and fps_d to get frame duration value and timescale (or numerator and denominator)
+              frame_duration_value = [NSValue valueWithCMTime:CMTimeMake (info->fps_d, info->fps_n)];
             }
             [device setValue:frame_duration_value forKey:@"activeVideoMinFrameDuration"];
             @try {
-- 
2.7.4