def ffmpeg_queryCodecs():
video_codecs = {}
audio_codecs = {}
status, (stdout, stderr) = mvexportutils.run(['ffmpeg', '-formats'])
lines = stdout.splitlines()
try:
codec_start = lines.find('Codecs:')
except:
# Probably failed due to a newer version of ffmpeg.
status, (stdout, stderr) = mvexportutils.run(['ffmpeg', '-codecs'])
lines = stdout.splitlines()
codec_start = 0
for line in lines[codec_start + 1:]:
if len(line) == 0:
break
space_index = line.rfind(' ')
if space_index >= 0:
codec_flags = line[1:space_index]
# We may not have enough characters, in which
# case we skip this.
if len(codec_flags) > 3:
if codec_flags[2] == 'V':
video_codecs[line[space_index + 1:]] = codec_flags
elif codec_flags[2] == 'A':
audio_codecs[line[space_index + 1:]] = codec_flags
return video_codecs, audio_codecs
def encode(kwargs):
args = []
args.append('mencoder')
args.append('mf://' + ','.join(kwargs['imagefiles']))
# mf_filetype will be either jpg or png
mf_filetype = (os.path.splitext(kwargs['imagefiles'][0])[1])[1:]
mf_opts = "w=%d:h=%d:fps=%d:type=%s" % (kwargs['xres'], kwargs['yres'],
kwargs['framerate'], mf_filetype)
args.extend(['-mf', mf_opts])
audio_preset = {}
audio_preset['aac'] = ['-oac', 'faac', '-faacopts', 'mpeg=4:raw:br=128']
audio_preset['mp3'] = ['-oac', 'mp3lame', '-lameopts', 'q=0:aq=2:vbr=2']
#audio_preset['mp3'] = ['-oac', 'mp3lame', '-lameopts', 'cbr:br=128']
video_preset = {}
video_preset['mp4:h264'] = [
'-ovc', 'lavc', '-lavcopts',
'vcodec=libx264:vbitrate=1200:vglobal=1:aglobal=1'
]
# 'vcodec=libx264:vbitrate=1200:mbd=2:cmp=2:subcmp=2:trell=yres:v4mv=yes'
# ':aic=2:vglobal=1:aglobal=1']
video_preset['mp4:mpeg4'] = [
'-ovc', 'lavc', '-lavcopts',
'vcodec=mpeg4:vbitrate=5000:mbd=2:cmp=2:subcmp=2:trell=yres:v4mv=yes'
':aic=2:vglobal=1:aglobal=1'
":keyint=%g" % kwargs['framerate']
]
video_preset['msmpeg4v2'] = [
'-ovc', 'lavc', '-lavcopts',
'vcodec=msmpeg4v2:vhq:vbitrate=5000'
":keyint=%g" % kwargs['framerate']
]
format_args = {}
format_args['mp4'] = ['-of', 'lavf', '-lavfopts', 'format=mp4']
# 'format=mp4:i_certify_that_my_video_stream_does_not_use_b_frames']
# lavc_opts = "vcodec=mpeg4:vbitrate=10000:keyint=%g" % kwargs['framerate']
# args.extend(['-ovc', 'lavc', '-lavcopts', lavc_opts])
args.extend(video_preset[kwargs['videopreset']])
if kwargs.has_key('audiofile') and len(kwargs['audiofile']) > 0:
args.extend(['-audiofile', kwargs['audiofile']])
if kwargs.has_key('audiocopy') and kwargs['audiocopy']:
args.extend(['-oac', 'copy'])
else:
args.extend(audio_preset[kwargs['audiopreset']])
if format_args.has_key(kwargs['outputformat']):
args.extend(format_args[kwargs['outputformat']])
args.extend(['-o', kwargs['outputfile']])
#args.extend(['-endpos', "%g" % mvexportutils.videoDuration(kwargs)])
return mvexportutils.run(args)
def encode(kwargs):
fps = 10
max_colors = 64
#YOUR PATH for CACHE pallete
CACHE_PALLETE = 'D:/_CACHE/palette.png'
#presets
if kwargs['videopreset'].find('high') >= 0:
fps = kwargs['framerate']
max_colors = 256
if kwargs['videopreset'].find('medium') >= 0:
fps = 15
max_colors = 64
if kwargs['videopreset'].find('low') >= 0:
fps = 10
max_colors = 32
args = []
args.append('ffmpeg')
# Ensure that we don't prompt about overwriting output files.
args.append('-y')
args.extend(['-i', kwargs['imagefilesstringformat']])
#prepearre palette for gif
args_pallete = []
args_pallete.append('ffmpeg')
args_pallete.append('-y')
args_pallete.extend(['-i', kwargs['imagefilesstringformat']])
args_pallete.extend([
'-vf',
'fps=%g ,scale=320:-1:flags=lanczos,palettegen=stats_mode=diff:max_colors=%s'
% (fps, max_colors)
])
args_pallete.extend(['-y', CACHE_PALLETE])
args.extend(['-i', CACHE_PALLETE])
args.extend(['-lavfi', 'fps=%g [x];[x][1:v] paletteuse' % fps])
#print("%s",args_pallete)
args.append(kwargs['outputfile'])
#print("%s",args)
return mvexportutils.run(args)
def encode(kwargs):
args = []
args.append('ffmpeg')
# Ensure that we don't prompt about overwriting output files.
args.append('-y')
args.extend(['-r', "%g" % kwargs['framerate']])
args.extend(['-i', kwargs['imagefilesstringformat']])
# args.append('-shortest')
# Codec names are different depending on the version of ffmpeg installed
# so query them directly from the application.
video_codecs, audio_codecs = ffmpeg_queryCodecs()
audio_preset = {}
if audio_codecs.has_key('libfaac'):
audio_preset['aac'] = ['-acodec', 'libfaac']
else:
audio_preset['aac'] = ['-acodec', 'aac']
if audio_codecs.has_key('libmp3lame'):
audio_preset['mp3'] = ['-acodec', 'libmp3lame', '-ab', '192k']
else:
audio_preset['mp3'] = ['-acodec', 'mp3', '-ab', '192k']
if kwargs.has_key('audiofile') and len(kwargs['audiofile']) > 0:
args.extend(['-i', kwargs['audiofile']])
if kwargs.has_key('audiocopy') and kwargs['audiocopy']:
args.extend(['-acodec', 'copy'])
else:
args.extend(audio_preset[kwargs['audiopreset']])
# Restrict the duration to that of the video, in seconds, otherwise a
# longer audio track will specified value in seconds, otherwise
# a long
args.extend(['-t', "%g" % mvexportutils.videoDuration(kwargs)])
if kwargs['videopreset'].find('hq') >= 0:
args.extend(['-qscale', '1']) # highest quality VBR
else:
args.extend(['-qscale', '4'])
args.append(kwargs['outputfile'])
return mvexportutils.run(args)
def isSupported():
try:
status, (stdout, stderr) = mvexportutils.run(['ffmpeg'])
except:
return False
return True
def isSupported():
try:
mvexportutils.run(['mencoder'])
except:
return False
return True