Fix some possible overflows.

diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc
index 2f261d8a0ddb7d4c496a4065017ad8d4e9d0bc56..7f8292c7fed3729e945f2314eb0eb2f601d4764d 100644 (file)
--- a/src/lib/playlist.cc
+++ b/src/lib/playlist.cc
@@ -647,8 +647,8 @@ Playlist::move_later (shared_ptr<const Film> film, shared_ptr<Content> c)
 int64_t
 Playlist::required_disk_space (shared_ptr<const Film> film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const
 {
-       int64_t video = uint64_t (j2k_bandwidth / 8) * length(film).seconds();
-       int64_t audio = uint64_t (audio_channels * audio_frame_rate * 3) * length(film).seconds();
+       int64_t video = uint64_t(j2k_bandwidth / 8) * length(film).seconds();
+       int64_t audio = uint64_t(audio_channels) * audio_frame_rate * 3 * length(film).seconds();
 
        for (auto i: content()) {
                auto d = dynamic_pointer_cast<DCPContent> (i);
@@ -657,7 +657,7 @@ Playlist::required_disk_space (shared_ptr<const Film> film, int j2k_bandwidth, i
                                video -= uint64_t (j2k_bandwidth / 8) * d->length_after_trim(film).seconds();
                        }
                        if (d->reference_audio()) {
-                               audio -= uint64_t (audio_channels * audio_frame_rate * 3) * d->length_after_trim(film).seconds();
+                               audio -= uint64_t(audio_channels) * audio_frame_rate * 3 * d->length_after_trim(film).seconds();
                        }
                }
        }