69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
|
""" Misc. bindings to ffmpeg and ImageMagick."""
|
||
|
|
|
||
|
|
import os
|
||
|
|
import subprocess as sp
|
||
|
|
import sys
|
||
|
|
|
||
|
|
from moviepy.config import get_setting
|
||
|
|
from moviepy.tools import subprocess_call
|
||
|
|
|
||
|
|
|
||
|
|
def ffmpeg_movie_from_frames(filename, folder, fps, digits=6, bitrate='v'):
|
||
|
|
"""
|
||
|
|
Writes a movie out of the frames (picture files) in a folder.
|
||
|
|
Almost deprecated.
|
||
|
|
"""
|
||
|
|
s = "%" + "%02d" % digits + "d.png"
|
||
|
|
cmd = [get_setting("FFMPEG_BINARY"), "-y", "-f","image2",
|
||
|
|
"-r", "%d"%fps,
|
||
|
|
"-i", os.path.join(folder,folder) + '/' + s,
|
||
|
|
"-b", "%dk"%bitrate,
|
||
|
|
"-r", "%d"%fps,
|
||
|
|
filename]
|
||
|
|
|
||
|
|
subprocess_call(cmd)
|
||
|
|
|
||
|
|
|
||
|
|
def ffmpeg_extract_subclip(filename, t1, t2, targetname=None):
|
||
|
|
""" Makes a new video file playing video file ``filename`` between
|
||
|
|
the times ``t1`` and ``t2``. """
|
||
|
|
name, ext = os.path.splitext(filename)
|
||
|
|
if not targetname:
|
||
|
|
T1, T2 = [int(1000*t) for t in [t1, t2]]
|
||
|
|
targetname = "%sSUB%d_%d.%s" % (name, T1, T2, ext)
|
||
|
|
|
||
|
|
cmd = [get_setting("FFMPEG_BINARY"),"-y",
|
||
|
|
"-ss", "%0.2f"%t1,
|
||
|
|
"-i", filename,
|
||
|
|
"-t", "%0.2f"%(t2-t1),
|
||
|
|
"-map", "0", "-vcodec", "copy", "-acodec", "copy", targetname]
|
||
|
|
|
||
|
|
subprocess_call(cmd)
|
||
|
|
|
||
|
|
|
||
|
|
def ffmpeg_merge_video_audio(video,audio,output, vcodec='copy',
|
||
|
|
acodec='copy', ffmpeg_output=False,
|
||
|
|
logger = 'bar'):
|
||
|
|
""" merges video file ``video`` and audio file ``audio`` into one
|
||
|
|
movie file ``output``. """
|
||
|
|
cmd = [get_setting("FFMPEG_BINARY"), "-y", "-i", audio,"-i", video,
|
||
|
|
"-vcodec", vcodec, "-acodec", acodec, output]
|
||
|
|
|
||
|
|
subprocess_call(cmd, logger = logger)
|
||
|
|
|
||
|
|
|
||
|
|
def ffmpeg_extract_audio(inputfile,output,bitrate=3000,fps=44100):
|
||
|
|
""" extract the sound from a video file and save it in ``output`` """
|
||
|
|
cmd = [get_setting("FFMPEG_BINARY"), "-y", "-i", inputfile, "-ab", "%dk"%bitrate,
|
||
|
|
"-ar", "%d"%fps, output]
|
||
|
|
subprocess_call(cmd)
|
||
|
|
|
||
|
|
|
||
|
|
def ffmpeg_resize(video,output,size):
|
||
|
|
""" resizes ``video`` to new size ``size`` and write the result
|
||
|
|
in file ``output``. """
|
||
|
|
cmd= [get_setting("FFMPEG_BINARY"), "-i", video, "-vf", "scale=%d:%d"%(size[0], size[1]),
|
||
|
|
output]
|
||
|
|
|
||
|
|
subprocess_call(cmd)
|