X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fmain.cpp;h=52cdb80664379e5014fb0f5ea673234e087f14b8;hb=ed041ec8c0fa1dd31fd3c3ac053da13519c524c3;hp=69ef55bedc33b89f2f85ad156e13e3b3708412c7;hpb=c20c3629e863bef3530f9f76b47fac0c93ba5b6f;p=nageru

diff --git a/futatabi/main.cpp b/futatabi/main.cpp
index 69ef55b..52cdb80 100644
--- a/futatabi/main.cpp
+++ b/futatabi/main.cpp
@@ -34,6 +34,7 @@ extern "C" {
 #include "shared/post_to_main_thread.h"
 #include "shared/ref_counted_gl_sync.h"
 #include "shared/timebase.h"
+#include "shared/metrics.h"
 #include "ui_mainwindow.h"
 #include "vaapi_jpeg_decoder.h"
 
@@ -69,6 +70,8 @@ mutex frame_mu;
 vector<FrameOnDisk> frames[MAX_STREAMS];  // Under frame_mu.
 vector<string> frame_filenames;  // Under frame_mu.
 
+atomic<int64_t> metric_received_frames[MAX_STREAMS]{{0}};
+
 namespace {
 
 FrameOnDisk write_frame(int stream_idx, int64_t pts, const uint8_t *data, size_t size, DB *db)
@@ -183,7 +186,7 @@ FrameOnDisk write_frame(int stream_idx, int64_t pts, const uint8_t *data, size_t
 HTTPD *global_httpd;
 
 void load_existing_frames();
-int record_thread_func();
+void record_thread_func();
 
 int main(int argc, char **argv)
 {
@@ -200,16 +203,15 @@ int main(int argc, char **argv)
 
 	string frame_dir = global_flags.working_directory + "/frames";
 
-	struct stat st;
-	if (stat(frame_dir.c_str(), &st) == -1) {
+	if (mkdir(frame_dir.c_str(), 0777) == 0) {
 		fprintf(stderr, "%s does not exist, creating it.\n", frame_dir.c_str());
-		if (mkdir(frame_dir.c_str(), 0777) == -1) {
-			perror(global_flags.working_directory.c_str());
-			exit(1);
-		}
+	} else if (errno != EEXIST) {
+		perror(global_flags.working_directory.c_str());
+		exit(1);
 	}
 
 	avformat_network_init();
+	global_metrics.set_prefix("futatabi");
 	global_httpd = new HTTPD;
 
 	QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
@@ -344,6 +346,10 @@ void load_frame_file(const char *filename, const string &basename, unsigned file
 		FrameOnDisk frame;
 		frame.pts = hdr.pts();
 		frame.offset = ftell(fp);
+		if (frame.offset == -1) {
+			fprintf(stderr, "WARNING: %s: ftell() failed (%s).\n", filename, strerror(errno));
+			break;
+		}
 		frame.filename_idx = filename_idx;
 		frame.size = hdr.file_size();
 
@@ -364,9 +370,14 @@ void load_frame_file(const char *filename, const string &basename, unsigned file
 			filename, skipped_bytes);
 	}
 
-	size_t size = ftell(fp);
+	off_t size = ftell(fp);
 	fclose(fp);
 
+	if (size == -1) {
+		fprintf(stderr, "WARNING: %s: ftell() failed (%s).\n", filename, strerror(errno));
+		return;
+	}
+
 	db->store_frame_file(basename, size, all_frames);
 }
 
@@ -444,11 +455,20 @@ void load_existing_frames()
 	db.clean_unused_frame_files(frame_basenames);
 }
 
-int record_thread_func()
+void record_thread_func()
 {
+	for (unsigned i = 0; i < MAX_STREAMS; ++i) {
+		global_metrics.add("received_frames", {{ "stream", to_string(i) }}, &metric_received_frames[i]);
+	}
+
+	if (global_flags.stream_source.empty() || global_flags.stream_source == "/dev/null") {
+		// Save the user from some repetitive messages.
+		return;
+	}
+
 	pthread_setname_np(pthread_self(), "ReceiveFrames");
 
-	int64_t pts_offset;
+	int64_t pts_offset = 0;  // Needs to be initialized due to a spurious GCC warning.
 	DB db(global_flags.working_directory + "/futatabi.db");
 
 	while (!should_quit.load()) {
@@ -474,6 +494,11 @@ int record_thread_func()
 			if (av_read_frame(format_ctx.get(), &pkt) != 0) {
 				break;
 			}
+			if (pkt.stream_index >= MAX_STREAMS) {
+				continue;
+			}
+
+			++metric_received_frames[pkt.stream_index];
 
 			// Convert pts to our own timebase.
 			AVRational stream_timebase = format_ctx->streams[pkt.stream_index]->time_base;
@@ -505,5 +530,4 @@ int record_thread_func()
 
 		start_pts = last_pts + TIMEBASE;
 	}
-	return 0;
 }