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--- video:ffmpeg [2016/03/01 08:36]
smayr [Extract Video Frames]
+++ video:ffmpeg [2018/01/05 15:43] (current)
smayr [Extract Video Frames]
@@ Line 28: / Line 28: @@
 </code>
-<code batch>
-REM --- Utility to Extract video frames into image files ---
-REM SET inputfile=%1
-SET inputfile=video
-MKDIR output
-REM Each image will have a duration of 5 seconds (the inverse of 1/5 frames per second).
-REM The video stream will have a frame rate of 30 fps by duplicating the frames accordingly:
-REM C:\Apps\ffmpeg\bin\ffmpeg -framerate 1/5 -i img%%03d.png -c:v libx264 -r 30 -pix_fmt yuv420p output\%inputfile%.mp4
-REM C:\Apps\ffmpeg\bin\ffmpeg -framerate 1/15 -i %inputfile%.png -c:v libx264 -r 24 -pix_fmt yuv420p output\%inputfile%.mp4
-C:\Apps\ffmpeg\bin\ffmpeg -framerate 3 -start_number 0001 -i CAST-%%04d.jpg -c:v libx264 -r 24 -pix_fmt yuv420p output\%inputfile%.mp4
-EXPLORER output
-PAUSE
-</code>
 == Generate Video From Images ==
 <code batch>
-REM --- Utility to Extract video frames into image files ---
+REM --- Utility to generate video clips from frames ---
 SET inputfile=%1
 MKDIR output
-REM Each image will have a duration of 5 seconds (the inverse of 1/5 frames per second).
+REM ### Each video clip from still image will have a duration of 5 seconds (the inverse of 1/5 frames per second).
-REM The video stream will have a frame rate of 30 fps by duplicating the frames accordingly:
+REM ### The video stream will have a frame rate of 30 fps by duplicating the frames accordingly:
 REM C:\Apps\ffmpeg\bin\ffmpeg -framerate 1/5 -i img%%03d.png -c:v libx264 -r 30 -pix_fmt yuv420p output\%inputfile%.mp4
+REM ### Eg: 15 sec video clips ###
 C:\Apps\ffmpeg\bin\ffmpeg -framerate 1/15 -i %inputfile%.png -c:v libx264 -r 24 -pix_fmt yuv420p output\%inputfile%.mp4
+REM ### View Clips ###
 EXPLORER output
 </code>