From 862b0783d731dd8980698fb035b78300703b9076 Mon Sep 17 00:00:00 2001
From: Navan Chauhan <navanchauhan@gmail.com>
Date: Tue, 10 Mar 2020 23:43:12 +0530
Subject: Added video generator

---
 src/VHSImage.py | 52 +++++++++++++++++++++-------------
 src/VHSVideo.py | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 120 insertions(+), 19 deletions(-)
 create mode 100644 src/VHSVideo.py

(limited to 'src')

diff --git a/src/VHSImage.py b/src/VHSImage.py
index 51688b1..81f446d 100644
--- a/src/VHSImage.py
+++ b/src/VHSImage.py
@@ -146,25 +146,39 @@ if __name__ == "__main__":
     build_background("bkg.jpg", 25)
 """    
 
-def generateVHSStyle(infile, outfile):
-    cut_rows = bool(random.getrandbits(1))
-    offset = random.choice([0,5,10,15,20,25])
-    logger.info("Saturating the image")
-    offset_hue(infile,"saturated.jpg")
-    if cut_rows:
-        logger.info("Shifting the image")
-        mod_image_repeat_rows("saturated.jpg", 0.012, 50, 10, True, "shifted.jpg")
+def generateVHSStyle(infile, outfile, silence=False):
+    if silence:
+        cut_rows = bool(random.getrandbits(1))
+        offset = random.choice([0,5,10,15,20,25])
+        offset_hue(infile,"saturated.jpg")
+        if cut_rows:
+            mod_image_repeat_rows("saturated.jpg", 0.012, 50, 10, True, "shifted.jpg")
+        else:
+            mod_image_repeat_rows("saturated.jpg", 0, 0, 0, True, "shifted.jpg")
+        add_date("shifted.jpg","noisy.jpg")
+        add_date("noisy.jpg",outfile, bottom_offset=offset)
+        os.remove("shifted.jpg")
+        os.remove("saturated.jpg")
+        os.remove("noisy.jpg")
     else:
-        logger.info("Not applying lines effect")
-        mod_image_repeat_rows("saturated.jpg", 0, 0, 0, True, "shifted.jpg")
-    logger.info("Adding noise")
-    add_date("shifted.jpg","noisy.jpg")
-    logger.info("Adding text")
-    add_date("noisy.jpg",outfile, bottom_offset=offset)
-    logger.info("Generated Image: out.jpg")
-    logger.info("Removing residual files")
-    os.remove("shifted.jpg")
-    os.remove("saturated.jpg")
-    os.remove("noisy.jpg")
+        cut_rows = bool(random.getrandbits(1))
+        offset = random.choice([0,5,10,15,20,25])
+        logger.info("Saturating the image")
+        offset_hue(infile,"saturated.jpg")
+        if cut_rows:
+            logger.info("Shifting the image")
+            mod_image_repeat_rows("saturated.jpg", 0.012, 50, 10, True, "shifted.jpg")
+        else:
+            logger.info("Not applying lines effect")
+            mod_image_repeat_rows("saturated.jpg", 0, 0, 0, True, "shifted.jpg")
+        logger.info("Adding noise")
+        add_date("shifted.jpg","noisy.jpg")
+        logger.info("Adding text")
+        add_date("noisy.jpg",outfile, bottom_offset=offset)
+        logger.info("Generated Image: out.jpg")
+        logger.info("Removing residual files")
+        os.remove("shifted.jpg")
+        os.remove("saturated.jpg")
+        os.remove("noisy.jpg")
 
 #generateVHSStyle("s.jpg","o.jpg")
\ No newline at end of file
diff --git a/src/VHSVideo.py b/src/VHSVideo.py
new file mode 100644
index 0000000..e644074
--- /dev/null
+++ b/src/VHSVideo.py
@@ -0,0 +1,87 @@
+import os
+import cv2
+from src.VHSImage import generateVHSStyle
+from os.path import isfile, join
+import numpy as np
+import subprocess
+import logzero
+from logzero import logger
+from logzero import setup_logger
+
+def SaveVid(path): 
+	vidObj = cv2.VideoCapture(path) 
+	count = 0
+	success = 1
+	while success: 
+		success, image = vidObj.read() 
+		cv2.imwrite("frames/"+str(count)+".jpg", image) 
+		#os.rename("frames/"+str(count)+".jpg", os.path.splitext("frames/"+str(count)+".jpg")[0])
+		count += 1
+    
+def Style(pathToFrames):
+    files = [f for f in os.listdir(pathToFrames) if isfile(join(pathToFrames, f))]
+    count = 0
+    for i in files:
+        count += 1
+        f = str(i)
+        fi = pathToFrames + f
+        out = fi + ".jpg"
+        
+        generateVHSStyle(fi, out, silence=True)
+        os.rename(out, fi)
+        print("--------")
+        print("On Frame: ")
+        print(count)
+        print("Out of")
+        print(len(files))
+        print("--------")
+    cwd = os.getcwd()
+    os.chdir(pathToFrames)
+    c = "find ./ -name \"*.jpg\" -exec sh -c 'mv $0 `basename \"$0\" .jpg`' '{}' \;    ;"
+    os.system(c)
+    os.chdir(cwd)
+
+def generateVideo(outfile, path, infile):
+    frame_array = []
+    files = [int(f) for f in os.listdir(path) if isfile(join(path, f))]
+    files.sort()
+
+    duration = subprocess.check_output(['ffprobe', '-i', infile, '-show_entries', 'format=duration', '-v', 'quiet', '-of', 'csv=%s' % ("p=0")])
+    fps = len(files)/float(duration)
+    print("FPS", fps)
+
+    for i in range(len(files)):
+        filename=path + str(files[i])
+        img = cv2.imread(filename)
+        height, width, layers = img.shape
+        size = (width,height)
+        frame_array.append(img)
+    out = cv2.VideoWriter(outfile,cv2.VideoWriter_fourcc(*'MP4V'), fps, size)
+    for i in range(len(frame_array)):
+        out.write(frame_array[i])
+    out.release()
+
+
+def VHS_Vid(infile, outfile):
+    path = './frames/'
+    os.system("rm frames/*")
+    os.system("mkdir frames")
+    logger.info("Exctracting Frames")
+    try:
+        SaveVid(infile)
+    except:
+        logger.debug("Extracted Frames")
+    logger.info("Applying A E S T H E T I C S")
+    Style(path)
+    logger.info("Generating Vidio")
+    generateVideo("temp.mp4", path, infile)
+    logger.info("Extracting audio of original video")
+    os.system("ffmpeg -i %(infile)s -vn -acodec copy output-audio.aac")
+    logger.info("Merging audio")
+    os.system("ffmpeg -i temp.mp4 -i output-audio.aac -c copy %(outfile)s")
+    logger.info("Removing residual files")
+    os.remove("temp.mp4")
+    os.remove("output-audio.aac")
+
+
+#VHS_Vid("video.mp4","video2.mp4")
\ No newline at end of file
-- 
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