Video to GIF converter v1.0.0

Signed-off-by: Nabi <[email protected]>

Author: NabiKAZ

.gitignore

@@ -1,3 +1 @@
 /.idea
-sample.mp4
-sample.gif

README.md

@@ -7,12 +7,51 @@ A batch script for convert video to GIF files by FFmpeg.exe on Windows
 * Make sure the `ffmpeg.exe` and `video2gif.bat` are on your systems path.
 
 ## Usage
-Anywhere you can use it be like this example:
+**Method #1:** Anywhere you can use it by this command in `cmd`:
 ```
 video2gif myvideo.mp4
 ```
 Then you have `myvideo.gif` in current directory.
 If `myvideo.gif` there is existed, question from you for overwrite it.
 
+**Method #2:** You can just drag and drop `.gif` file on the `video2gif.bat` file.
+
+## Advance Usage
+
+```
+video2gif SOURCE_FILE [OPTIONS]
+```
+
+##Options:
+```
+  SOURCE_FILE      Source video file name for convert
+                   also you can drag and drop source video file to this batch file directly
+  -o               Output destination .GIF file name
+                   if not set it, use video source file name with new .gif extension
+  -y               Overwrite destination file
+                   if not set it, appears prompt for overwrite destination file
+  -f               Frame per second (fps)
+                   default: 15
+  -w               Width scale of destination gif file
+                   in pixel unit and (-1) for use original width, default: -1
+  -s               Start time of video source for crop
+                   in second or time format (ex. 1:12), if set it, so must be set (-d) param
+  -d               Duration time of video source for crop
+                   in second, if set it, so must be set (-s) param
+  -c               Maximum number of colors to the palette
+                   must be (<=256), default: 256
+  -q               Quality of destination gif file
+                   must be a number between 1(low) to 6(high), default: 5
+```
+
+## Examples:
+```
+  video2gif sample.mp4
+  video2gif sample.mp4 -y -w 60 -q 1 -f 10
+  video2gif sample.mp4 -o new_file.gif -y -w 100 -f 10 -s 10 -d 5
+  video2gif sample.mp4 -s 0:30 -d 20 -c 128 -q 6
+  video2gif sample.mp4 -s 1:16.5 -d 8.3
+```
+
 ## Tips
 Special thanks to [this article](http://blog.pkh.me/p/21-high-quality-gif-with-ffmpeg.html).

sample.gif

@@ -1,10 +1,114 @@
-@echo off
-rem by: nabi karamalizadeh <[email protected]>
-rem description: video to gif converter
-rem version: 0.0.1
-rem license: The MIT License (MIT)
-set arg1=%1
-set arg2=%arg1:~0,-4%
-ffmpeg -y -i %arg1% -vf fps=15,scale=-1:-1:flags=lanczos,palettegen %TEMP%\palette.png
-ffmpeg -i %arg1% -i %TEMP%\palette.png -filter_complex "fps=10,scale=-1:-1:flags=lanczos[x];[x][1:v]paletteuse" %arg2%.gif
-del /f %TEMP%\palette.png
+@ECHO OFF
+REM By: Nabi KaramAliZadeh <[email protected]>
+REM Description: video to gif converter
+REM Version: 1.0.0
+REM Url: https://github.com/NabiKAZ/video2gif
+REM License: The MIT License (MIT)
+
+SETLOCAL
+
+SET "input="
+SET "output="
+SET "overwrite="
+SET "fps="
+SET "width="
+SET "start_time="
+SET "duration="
+SET "time_range="
+SET "palette="
+SET "max_colors="
+SET "dither="
+
+SET input=%~1
+SET base_file=%~dpn1
+SET input_filename=%~n1%~x1
+SHIFT
+
+IF "%input%" == "" (
+    ECHO Video to GIF converter v1.0.0 ^(C^) 2017, Nabi KaramAliZadeh ^<nabikaz@gmail.com^>
+    ECHO You can download it from here: https://github.com/NabiKAZ/video2gif
+    ECHO This tools use of ffmpeg here: http://ffmpeg.zeranoe.com/builds
+    ECHO.
+    ECHO Usage: video2gif SOURCE_FILE [OPTIONS]
+    ECHO.
+    ECHO Options:
+    ECHO   SOURCE_FILE      Source video file name for convert
+    ECHO                    also you can drag and drop source video file to this batch file directly
+    ECHO   -o               Output destination .GIF file name
+    ECHO                    if not set it, use video source file name with new .gif extension
+    ECHO   -y               Overwrite destination file
+    ECHO                    if not set it, appears prompt for overwrite destination file
+    ECHO   -f               Frame per second ^(fps^)
+    ECHO                    default: 15
+    ECHO   -w               Width scale of destination gif file
+    ECHO                    in pixel unit and ^(-1^) for use original width, default: -1
+    ECHO   -s               Start time of video source for crop
+    ECHO                    in second or time format ^(ex. 1:12^), if set it, so must be set ^(-d^) param
+    ECHO   -d               Duration time of video source for crop
+    ECHO                    in second, if set it, so must be set ^(-s^) param
+    ECHO   -c               Maximum number of colors to the palette
+    ECHO                    must be ^(^<=256^), default: 256
+    ECHO   -q               Quality of destination gif file
+    ECHO                    must be a number between 1^(low^) to 6^(high^), default: 5
+    ECHO.
+    ECHO Examples:
+    ECHO   video2gif sample.mp4
+    ECHO   video2gif sample.mp4 -y -w 60 -q 1 -f 10
+    ECHO   video2gif sample.mp4 -o new_file.gif -y -w 100 -f 10 -s 10 -d 5
+    ECHO   video2gif sample.mp4 -s 0:30 -d 20 -c 128 -q 6
+    ECHO   video2gif sample.mp4 -s 1:16.5 -d 8.3
+    GOTO :EOF
+)
+
+:loop
+IF NOT "%~1"=="" (
+    IF "%~1"=="-o" SET "output=%~2" & SHIFT
+    IF "%~1"=="-y" SET "overwrite=-y"
+    IF "%~1"=="-f" SET "fps=%~2" & SHIFT
+    IF "%~1"=="-w" SET "width=%~2" & SHIFT
+    IF "%~1"=="-s" SET "start_time=%~2" & SHIFT
+    IF "%~1"=="-d" SET "duration=%~2" & SHIFT
+    IF "%~1"=="-c" SET "max_colors=%~2" & SHIFT
+    IF "%~1"=="-q" SET "dither=%~2" & SHIFT
+    SHIFT
+    GOTO :loop
+)
+
+if "%output%"=="" SET output=%base_file%.gif
+if "%fps%"=="" SET fps=15
+if "%width%"=="" SET width=-1
+if not "%start_time%"=="" if not "%duration%"=="" SET time_range=-ss %start_time% -t %duration%
+if "%max_colors%"=="" SET max_colors=256
+if "%dither%"=="" SET dither=sierra2_4a
+if "%dither%"=="1" SET dither=none
+if "%dither%"=="2" SET dither=sierra2
+if "%dither%"=="3" SET dither=floyd_steinberg
+if "%dither%"=="4" SET dither=heckbert
+if "%dither%"=="5" SET dither=sierra2_4a
+if "%dither%"=="6" SET dither=bayer
+
+SET palette=%TEMP%\%input_filename%.png
+SET filters=fps=%fps%,scale=%width%:-1:flags=lanczos
+
+ECHO Generating palette file. Please wait...
+
+CALL ffmpeg -v error %time_range% -i %input% -vf "%filters%,palettegen=max_colors=%max_colors%" -y %palette%
+
+IF NOT EXIST "%palette%" (
+	ECHO Failed to generate palette file.
+	GOTO :EOF
+)
+
+ECHO Generating gif file. Please wait...
+
+CALL ffmpeg -v error %time_range% -i %input% -i %palette% -lavfi "%filters% [x]; [x][1:v] paletteuse=dither=%dither%" %overwrite% %output%
+
+IF NOT EXIST "%output%" (
+	ECHO Failed to generate gif file.
+	GOTO :EOF
+)
+
+DEL /F /Q %palette%
+
+ECHO "%output%" Gif file generated successfully.
+ECHO Done.