command = [
'ffmpeg', '-y', '-i', src, '-f', 'webm', '-vcodec', 'libvpx', '-pix_fmt',
'yuv420p', '-vf', "scale=trunc((a*oh)/2)*2:720", '-g', '30', '-b:v',
'2000k', '-vpre', '720p', '-quality', 'realtime', '-cpu-used', '0',
'-qmin', "10", "-qmax", "42", '-acodec', 'libvorbis', '-aq', '60', '-ac',
'2', dst + '.webm'
]
pipe = sp.Popen(command, stdout=sp.PIPE, bufsize=10**8)
# 另外一种通过subprocess进行转换 webm
# vcodec = "-pix_fmt yuv420p -vcodec libvpx -vf 'scale=trunc((a*oh)/2)*2:720' -g 30 -b:v 2000k -vpre 720p -quality realtime -cpu-used 0 -qmin 10 -qmax 42"
# acodec = "-acodec libvorbis -aq 60 -ac 2"
# subprocess.call(['ffmpeg', '-i', src, vcodec, acodec,'-f webm', dst + '.webm'])
# 序列帧转换参数
# vcodec = "-r frame_count/seconds -i src_file -f image2 thumb_files-%02d.jpeg"
# 将转码完成的mp4，webm上传到Shotgun审看的字段
upload_mp4 = sg.upload('Version', version_id, 'sample.mp4',
'sg_uploaded_movie_mp4')
# print(upload_mp4)
upload_webm = sg.upload('Version', version_id, 'sample.webm',
'sg_uploaded_movie_webm')
# print(upload_webm)
# 上传缩率图，和filmstrip
upload_thumb = sg.upload_thumbnail("Version", version_id, img)
# print(upload_thumb)
upload_film_thumb = sg.upload_filmstrip_thumbnail("Version", version_id, img)
# print(upload_film_thumb)
