Prevent calls to erase with invalid keys.

[dcpomatic.git] / src / lib / ffmpeg_file_encoder.cc

diff --git a/src/lib/ffmpeg_file_encoder.cc b/src/lib/ffmpeg_file_encoder.cc
index 5eccb8f1728966fd638c57f1bad1fb48d8ee8096..d7a56f01eb95ccb311bd15c1e883c525e9e08ac5 100644 (file)
--- a/src/lib/ffmpeg_file_encoder.cc
+++ b/src/lib/ffmpeg_file_encoder.cc
@@ -378,5 +378,8 @@ FFmpegFileEncoder::buffer_free (void* opaque, uint8_t* data)
 void
 FFmpegFileEncoder::buffer_free2 (uint8_t* data)
 {
-       _pending_images.erase (data);
+       /* XXX: does this need a lock to prevent cross-thread access to _pending_images? */
+       if (_pending_images.find(data) != _pending_images.end()) {
+               _pending_images.erase (data);
+       }
 }