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author | Srikant Patnaik | 2015-02-22 10:12:36 +0530 |
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committer | Srikant Patnaik | 2015-02-22 10:12:36 +0530 |
commit | f7c31a5a862060af3d0b76a25b42f4eb00a8bd25 (patch) | |
tree | e48eb6447198b97b95c4962ee147aefff45aad5b /opt/noNoise-master/noNoise.py | |
parent | 2d6f8dac5bbbb3107087eac76607dc83e192f5fe (diff) | |
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-rw-r--r-- | opt/noNoise-master/noNoise.py | 113 |
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diff --git a/opt/noNoise-master/noNoise.py b/opt/noNoise-master/noNoise.py deleted file mode 100644 index cfff188..0000000 --- a/opt/noNoise-master/noNoise.py +++ /dev/null @@ -1,113 +0,0 @@ -#!/usr/bin/python env - -"""This script can be used to remove audio noise from 'ogv' videos. - - Usage:(for future Srikant & all users) - - 1)Remove noise from a single file: - ---------------------------------- - $ python noNoise.py VideoWithNoise.ogv CleanVideo.ogv - (source file) (destination file) - - (OR) - - $ python noNoise.py VideoWithNoise.ogv CleanVideo.ogv 0.21 - (source file) (destination file) (noise factor) - - The third argument is optional(Noise factor). The scale spans from - 0.0 to 1.0. Zero means no noise supression and 1.0 means full. The full - scale is avoided. Best optimum result is found between 0.2 to 0.3. By default - script will take 0.26. One can experiment with noise factor to get best noise - free video. - NOTE: Careful, destination file will be overwritten if exist in given path. - - - - 2)Remove noise from all files inside a directory: - ------------------------------------------------- - $ python noNoise.py allNoisyFiles allCleanFiles - (source dir) (destination dir) - - (OR) - - $ python noNoise.py allNoisyFiles allCleanFiles 0.21 - (source Dir) (destination dir) (Noise factor) - - - NOTE: Please don't use any '/' after directory name. It will spit error. - The fix is possible, but I don't want to spend time on it. This script is dirty - but useful(atleast for me). When I find time, I will surely modify it. Meanwhile - you all are welcome to add modifications. Please find this copy and future updates - at http://github.com/srikantpatnaik. - Thanks for your time. - - Details of each commands are in README.rst. - -""" - -from os import system, path, listdir, chdir, mkdir -from sys import argv -from time import sleep - -def checkType(): - #Check for type of first argument(file or dir). - if path.isdir(argv[1]): - processDir() - else: - processFile() - return - - -def processDir(): - #make dir to save all new files - mkdir(argv[2]) - #cd to source dir - chdir(argv[1]) - for eachfile in listdir('.'): - execute(setCommands(eachfile)) - return - - -def processFile(): - #Calling setCommands with source file. - #Will return list of commands to be executed - execute(setCommands(argv[1])) - return - - -def execute(cli): - #total 7 commands with some delay for disk - #write and sync - for each in cli: - system(each) - sleep(0.2) - return - - -def setCommands(filename): - #The dirty function. - cli = [None]*7 - cli[0] = 'ffmpeg -i ' + ' ' + filename + ' -sameq -an ' + '.rawVideo.wmv' - cli[1] = 'ffmpeg -i ' + ' ' + filename + ' -sameq ' + '.rawAudio.wav' - cli[2] = 'sox .rawAudio.wav -t null /dev/null trim 0 0.5 noiseprof myprofile' - #Checks for noise factor. - if len(argv)>3: - cli[3] = 'sox .rawAudio.wav .noisefree.wav noisered myprofile ' + argv[3] - else: - #The default value for noise factor is 0.26. Change accordingly. - cli[3] = 'sox .rawAudio.wav .noisefree.wav noisered myprofile 0.26' - #Creating a less compressed file to retain video quality. - cli[4] = 'ffmpeg -i .noisefree.wav -i .rawVideo.wmv -sameq .combined.wmv' - #Checks for file or directory. If dir, the output is saved in different directory. - if not path.isfile(argv[1]): - cli[5] = 'ffmpeg2theora .combined.wmv -o ' + '../' + argv[2] + '/' + filename - else: - #Will create the final ogv video from wmv. - cli[5] = 'ffmpeg2theora .combined.wmv -o ' + argv[2] - cli[6] = 'rm .rawVideo.wmv .rawAudio.wav .noisefree.wav .combined.wmv myprofile' - return cli - - - -if __name__ == '__main__': - checkType() |