From f33bef4e4ca9e3f2b83b953cbb9ff7c11bde884a Mon Sep 17 00:00:00 2001
From: Emil Oppeln-Bronikowski <emil@fuse.pl>
Date: Fri, 20 Mar 2020 23:08:20 +0100
Subject: [PATCH] Comments, ignore, etc

---
 .gitignore        |  1 +
 extract_frames.sh |  8 ++++++--
 grab.py           | 18 +++++++++++++++---
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index cbf3631..06960d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 audio.mp3
+out.mp4
diff --git a/extract_frames.sh b/extract_frames.sh
index 1bdb416..aa7875e 100755
--- a/extract_frames.sh
+++ b/extract_frames.sh
@@ -3,6 +3,10 @@
 for file in output/*.mpg ; do
 	new_file=`echo $file | cut -d. -f1`.png
 	echo $new_file
-	ffmpeg -i $file -vf "select=eq(n\,0)" -vframes 1 $new_file
+	if [ -f $new_file ] ; then
+		echo "Skip"
+	else
+		ffmpeg -i $file -vf "select=eq(n\,0)" -vframes 1 $new_file
+	fi
 done
-ffmpeg -pattern_type glob -i 'output/*.png'  -an -vcodec libx264 -pix_fmt yuv420p -profile:v baseline -level 3 out.mp4
+ffmpeg -pattern_type glob -i 'output/*.png' -i audio.mp3 -map 0:v -map 1:a -acodec aac -vcodec libx264 -pix_fmt yuv420p -profile:v baseline -level 3 out.mp4
diff --git a/grab.py b/grab.py
index 2ba0ad2..df76b11 100644
--- a/grab.py
+++ b/grab.py
@@ -1,23 +1,35 @@
-import requests
-from datetime import datetime
-from time import sleep
+import requests # klient HTTP
+from time import sleep # chcemy pauzować
 
+# wpisany na twardo adres z którego będę pobierał informacje
 URL = 'https://cdn-3-go.toya.net.pl:8081/kamery/lodz_piotrkowskaschillera_0{}.ts'
+
+# formad do zapisywania, index poprzedzony dopełnieniem 12 zer
 OUTPUT = 'output/{:012}_frame.mpg'
+
+""" Żeby się było łatwiej kręcić, wartości [42…91] w liście """
 frames = range(42, 92)
 
 idx = 0
 while True:
+    # Cała lista otwarzania ma (92-42)*2 sekund 
     rotation_time = len(frames) * 2
+
+    #Kiedy zaczynamy proces
     start_time = datetime.now()
+
     for frame in frames:
         print("Grabing {}".format(frame))
+        # Klasyczny HTTP GET / i zapisanie pliku docelowego
         response = requests.get(URL.format(frame))
         if response.status_code == 200:
             with open(OUTPUT.format(idx), 'wb') as f:
                 f.write(response.content)
             idx = idx + 1
+    # Jak przelecieliśmy wszystkie ramki to czekamy resztę sekund, aż 
+    # się wszystkie podmienią
     after_downloading = datetime.now()
     remaining_seconds = rotation_time - int((after_downloading - start_time).total_seconds())
     print("Clips fetched, sleeping for {}".format(remaining_seconds))
+    # …i do łóżka
     sleep(remaining_seconds)
-- 
2.45.2