Python get_framesの例

コード例 #1

ファイル: mp4-videos.py プロジェクト: ramaseshan/ffmpeg-python

tmpdir = tempfile.mkdtemp()
log.info('Temp dir ' + tmpdir)

log.info('PNG -> MPG')
outfile_start = tmpdir + '/' + START_IMG + OUT_EXT1
cmd = 'ffmpeg -loop 1 -f image2 -i ' + START_IMG + ' -t 5 -f lavfi -i aevalsrc=0 -vf "fade=in:0:25,fade=out:110:25" -r 29.97 -qscale:v 1 ' + outfile_start
log.info(cmd)
os.system(cmd)

log.info('MP4s -> MPGs')
mpg_file_list = list()
mpg_file_list.append(outfile_start)
for infile in os.listdir(indir):
    if infile.upper().endswith(INPUT_EXT1):
        outfile = tmpdir + '/' + infile + OUT_EXT1
        frames = mediainfo.get_frames(infile)
        start_end_frame = frames - FADE_FRAMES
        cmd = 'ffmpeg -i ' + infile + ' -qscale:v 1 -vf "fade=in:0:' + str(
            FADE_FRAMES) + ',fade=out:' + str(start_end_frame) + ':' + str(
                FADE_FRAMES) + '" ' + outfile
        log.info(cmd)
        os.system(cmd)
        mpg_file_list.append(outfile)

log.info('MPGs -> MP4')
mpg_files_str = ''
for mpg_file in mpg_file_list:
    mpg_files_str = mpg_files_str + mpg_file + '|'

cmd = 'ffmpeg -i concat:"' + mpg_files_str + '" -c:v libx264 -preset slow -crf ' + str(
    VIDEO_QUALITY) + ' -c:a aac -strict -2 ' + MP4_RESULT_FILE

コード例 #2

ファイル: iphone-video.py プロジェクト: atlex/ffmpeg-python

tmpdir = tempfile.mkdtemp()
log.info('Temp dir ' + tmpdir + ' is created.')


log.info('PNG > MPG')
outfile_start = tmpdir + '/' + START_IMG + OUT_EXT1
cmd = 'ffmpeg -loop 1 -f image2 -i ' + START_IMG + ' -t 5 -f lavfi -i aevalsrc=0 -vf "fade=in:0:25,fade=out:110:25" -r 29.97 -qscale:v 1 ' + outfile_start
log.info(cmd)
os.system(cmd)


log.info('MOVs > MPGs')

fps = 0
total_frames = mediainfo.get_frames(outfile_start)

mpg_file_list = list()
mpg_file_list.append(outfile_start)
for infile in os.listdir(indir):
    if infile.upper().endswith(INPUT_EXT1):
        outfile = tmpdir + '/' + infile + OUT_EXT1
        frames = mediainfo.get_frames(infile)
        
        total_frames = total_frames + frames
        if fps == 0:
            fps = mediainfo.get_fps(infile)

        start_end_frame = frames - FADE_FRAMES
        cmd = 'ffmpeg -i ' + infile + ' -qscale:v 1 -vf "fade=in:0:' + str(FADE_FRAMES) + ',fade=out:' + str(start_end_frame) + ':' + str(FADE_FRAMES) + '" ' + outfile
        log.info(cmd)

コード例 #3

ファイル: test.py プロジェクト: atlex/ffmpeg-python

#!/usr/bin/python

import sys
import mediainfo

infile = sys.argv[1]
print 'file', infile

frames = mediainfo.get_frames(infile)
print 'frames', frames

fps = mediainfo.get_fps(infile)
print 'fps', fps

lenght = mediainfo.get_length_str(frames, fps)
print 'lenght', lenght

#frames 2817.18
#time 00:01:34

コード例 #4

lfh.setFormatter(formatter)
log.addHandler(lfh)

tmpdir = tempfile.mkdtemp()
log.info('Temp dir ' + tmpdir + ' is created.')

log.info('PNG > MPG')
outfile_start = tmpdir + '/' + START_IMG + OUT_EXT1
cmd = 'ffmpeg -loop 1 -f image2 -i ' + START_IMG + ' -t 5 -f lavfi -i aevalsrc=0 -vf "fade=in:0:25,fade=out:110:25" -r 29.97 -qscale:v 1 ' + outfile_start
log.info(cmd)
os.system(cmd)

log.info('MOVs > MPGs')

fps = 0
total_frames = mediainfo.get_frames(outfile_start)

mpg_file_list = list()
mpg_file_list.append(outfile_start)
for infile in os.listdir(indir):
    if infile.upper().endswith(INPUT_EXT1):
        outfile = tmpdir + '/' + infile + OUT_EXT1
        frames = mediainfo.get_frames(infile)

        total_frames = total_frames + frames
        if fps == 0:
            fps = mediainfo.get_fps(infile)

        start_end_frame = frames - FADE_FRAMES
        cmd = 'ffmpeg -i ' + infile + ' -qscale:v 1 -vf "fade=in:0:' + str(
            FADE_FRAMES) + ',fade=out:' + str(start_end_frame) + ':' + str(