From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Fri, 15 Jun 2018 20:54:26 +0000 (+0200)
Subject: Write some drop counters to stderr.
X-Git-Tag: 1.8.0~76^2~273
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=6b98dc9e42833ed2a713716a0cafeeba418897e8;p=nageru

Write some drop counters to stderr.
---

diff --git a/jpeg_frame_view.cpp b/jpeg_frame_view.cpp
index 4f317e0..e7ee5f1 100644
--- a/jpeg_frame_view.cpp
+++ b/jpeg_frame_view.cpp
@@ -59,6 +59,8 @@ void prune_cache()
 
 void jpeg_decoder_thread()
 {
+	size_t num_decoded = 0, num_dropped = 0;
+
 	pthread_setname_np(pthread_self(), "JPEGDecoder");
 	for ( ;; ) {
 		JPEGID id;
@@ -91,6 +93,7 @@ void jpeg_decoder_thread()
 				}
 			}
 			if (num_pending > 3) {
+				++num_dropped;
 				continue;
 			}
 
@@ -103,6 +106,11 @@ void jpeg_decoder_thread()
 			if (cache.size() > CACHE_SIZE) {
 				prune_cache();
 			}
+			++num_decoded;
+			if (num_decoded % 1000 == 0) {
+				fprintf(stderr, "Decoded %zu images, dropped %zu (%.2f%% dropped)\n",
+					num_decoded, num_dropped, (100.0 * num_dropped) / (num_decoded + num_dropped));
+			}
 		}
 
 		dest->setPixmap(pixmap);
diff --git a/main.cpp b/main.cpp
index ad42075..d916f44 100644
--- a/main.cpp
+++ b/main.cpp
@@ -76,8 +76,8 @@ int record_thread_func()
 		if (av_read_frame(format_ctx.get(), &pkt) != 0) {
 			break;
 		}
-		fprintf(stderr, "Got a frame from camera %d, pts = %ld, size = %d\n",
-			pkt.stream_index, pkt.pts, pkt.size);
+		//fprintf(stderr, "Got a frame from camera %d, pts = %ld, size = %d\n",
+		//	pkt.stream_index, pkt.pts, pkt.size);
 		string filename = filename_for_frame(pkt.stream_index, pkt.pts);
 		FILE *fp = fopen(filename.c_str(), "wb");
 		if (fp == nullptr) {