X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mixer.cpp;h=618ce31eccebf9ff8a6d40303fb187768dc611bf;hb=c9dffdd52a4847c6cf5590e8c45d1cf5ee6177d3;hp=e46d918d6d8421312725dfc872d5730cd5010bc0;hpb=35d4e46a1e3628c7be6566f2a985bc7da435cdf9;p=nageru

diff --git a/mixer.cpp b/mixer.cpp
index e46d918..618ce31 100644
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -74,10 +74,27 @@ void insert_new_frame(RefCountedFrame frame, unsigned field_num, bool interlaced
 	}
 }
 
+string generate_local_dump_filename(int frame)
+{
+	time_t now = time(NULL);
+	tm now_tm;
+	localtime_r(&now, &now_tm);
+
+	char timestamp[256];
+	strftime(timestamp, sizeof(timestamp), "%F-%T%z", &now_tm);
+
+	// Use the frame number to disambiguate between two cuts starting
+	// on the same second.
+	char filename[256];
+	snprintf(filename, sizeof(filename), "%s%s-f%02d%s",
+		LOCAL_DUMP_PREFIX, timestamp, frame % 100, LOCAL_DUMP_SUFFIX);
+	return filename;
+}
+
 }  // namespace
 
 Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
-	: httpd(LOCAL_DUMP_FILE_NAME, WIDTH, HEIGHT),
+	: httpd(WIDTH, HEIGHT),
 	  num_cards(num_cards),
 	  mixer_surface(create_surface(format)),
 	  h264_encoder_surface(create_surface(format)),
@@ -85,6 +102,7 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
 	  limiter(OUTPUT_FREQUENCY),
 	  compressor(OUTPUT_FREQUENCY)
 {
+	httpd.open_output_file(generate_local_dump_filename(/*frame=*/0).c_str());
 	httpd.start(9095);
 
 	CHECK(init_movit(MOVIT_SHADER_DIR, MOVIT_DEBUG_OFF));
@@ -204,7 +222,7 @@ float find_peak(const float *samples, size_t num_samples)
 {
 	float m = fabs(samples[0]);
 	for (size_t i = 1; i < num_samples; ++i) {
-		m = std::max(m, fabs(samples[i]));
+		m = max(m, fabs(samples[i]));
 	}
 	return m;
 }
@@ -353,6 +371,8 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode,
 		clock_gettime(CLOCK_MONOTONIC, &frame_upload_start);
 	}
 	userdata->last_interlaced = interlaced;
+	userdata->last_frame_rate_nom = frame_rate_nom;
+	userdata->last_frame_rate_den = frame_rate_den;
 	RefCountedFrame new_frame(video_frame);
 
 	// Upload the textures.
@@ -624,6 +644,15 @@ void Mixer::thread_func()
 		//	chain->print_phase_timing();
 		}
 
+		if (should_cut.exchange(false)) {  // Test and clear.
+			string filename = generate_local_dump_filename(frame);
+			printf("Starting new recording: %s\n", filename.c_str());
+			h264_encoder->shutdown();
+			httpd.close_output_file();
+			httpd.open_output_file(filename.c_str());
+			h264_encoder.reset(new H264Encoder(h264_encoder_surface, WIDTH, HEIGHT, &httpd));
+		}
+
 #if 0
 		// Reset every 100 frames, so that local variations in frame times
 		// (especially for the first few frames, when the shaders are
@@ -686,7 +715,6 @@ void Mixer::process_audio_one_frame(int64_t frame_pts_int, int num_samples)
 	// then apply a makeup gain to get it to -14 dBFS. -14 dBFS is, of course,
 	// entirely arbitrary, but from practical tests with speech, it seems to
 	// put ut around -23 LUFS, so it's a reasonable starting point for later use.
-	float ref_level_dbfs = -14.0f;
 	{
 		float threshold = 0.01f;   // -40 dBFS.
 		float ratio = 20.0f;