M CHANGES → CHANGES

@@ -81,6 +81,7 @@ - GBA: Ignore invalid opcodes used by the Wii U VC emulator
  - Qt: Remove audio thread
  - Qt: Remove audio buffer sizing in AudioProcessorQt
  - Qt: Re-enable QtMultimedia on Windows
+ - FFmpeg: Return false if a file fails to open
 
 0.5.2: (2016-12-31)
 Bugfixes:

M src/feature/ffmpeg/ffmpeg-encoder.c → src/feature/ffmpeg/ffmpeg-encoder.c

@@ -320,7 +320,9 @@ #ifdef FFMPEG_USE_CODECPAR
 	avcodec_parameters_from_context(encoder->videoStream->codecpar, encoder->video);
 #endif
 
-	avio_open(&encoder->context->pb, outfile, AVIO_FLAG_WRITE);
+	if (avio_open(&encoder->context->pb, outfile, AVIO_FLAG_WRITE) < 0) {
+		return false;
+	}
 	return avformat_write_header(encoder->context, 0) >= 0;
 }