X-Git-Url: https://git.sesse.net/?p=bmusb;a=blobdiff_plain;f=bmusb.cpp;h=0169d062dad8d1823ed441e29cc3938eee2c2e09;hp=abab109dc8ceb4e7fe77c07493017a898d53a8ee;hb=HEAD;hpb=9dd6b94f84be634306e1266e2f65479fef76a10f

diff --git a/bmusb.cpp b/bmusb.cpp
index abab109..19a9da1 100644
--- a/bmusb.cpp
+++ b/bmusb.cpp
@@ -1,4 +1,4 @@
-// Intensity Shuttle USB3 capture driver, v0.7.2
+// Intensity Shuttle USB3 capture driver, v0.7.8
 // Can download 8-bit and 10-bit UYVY/v210-ish frames from HDMI, quite stable
 // (can do captures for hours at a time with no drops), except during startup
 // 576p60/720p60/1080i60 works, 1080p60 does not work (firmware limitation)
@@ -342,7 +342,9 @@ void dump_frame(const char *filename, uint8_t *frame_start, size_t frame_len)
 
 void dump_audio_block(uint8_t *audio_start, size_t audio_len)
 {
-	fwrite(audio_start + AUDIO_HEADER_SIZE, 1, audio_len - AUDIO_HEADER_SIZE, audiofp);
+	if (audiofp != nullptr) {
+		fwrite(audio_start + AUDIO_HEADER_SIZE, 1, audio_len - AUDIO_HEADER_SIZE, audiofp);
+	}
 }
 
 void BMUSBCapture::dequeue_thread_func()