settings.py 文件源码

def crop_file_600(self, file_name, crop):

        if crop == 1:
            region = '800:450:0:75'
        elif crop == 2:
            region = '800:500:0:50'

        command = ['ffmpeg', '-i', video_dir_bak + '/' + file_name, '-filter:v',
        'crop=' + region, '-vcodec', 'wmv2', '-q', '5', video_dir + '/' + file_name]

        self.pid, stdin, stdout, stderr = GLib.spawn_async(command,
                                    flags=GLib.SpawnFlags.SEARCH_PATH|GLib.SpawnFlags.DO_NOT_REAP_CHILD,
                                    standard_output=True,
                                    standard_error=True)

        io = GLib.IOChannel(stdout)

        self.source_id_out = io.add_watch(GLib.IO_IN|GLib.IO_HUP,
                             self.watch_process,
                             'cropping_video_600',
                             priority=GLib.PRIORITY_HIGH)