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add extra option for ffmpeg

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This commit is contained in:
wuguohua 2017-03-05 10:48:26 +08:00
parent 6768f7e07a
commit d1995a7111
2 changed files with 23 additions and 7 deletions
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21
ffmpeg-split.py
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@ -13,7 +13,7 @@ length_regexp = 'Duration: (\d{2}):(\d{2}):(\d{2})\.\d+,'
re_length = re.compile(length_regexp)
def split_by_manifest(filename, manifest, vcodec="copy", acodec="copy",
**kwargs):
extra="", **kwargs):
""" Split video into segments based on the given manifest file.
Arguments:
@ -23,6 +23,7 @@ def split_by_manifest(filename, manifest, vcodec="copy", acodec="copy",
output.
acodec (str) - Controls the audio codec for the ffmpeg video
output.
extra (str) - Extra options for ffmpeg.
"""
if not os.path.exists(manifest):
print "File does not exist: %s" % manifest
@ -38,9 +39,10 @@ def split_by_manifest(filename, manifest, vcodec="copy", acodec="copy",
print "Format not supported. File must be a csv or json file"
raise SystemExit
split_cmd = "ffmpeg -i '%s' -vcodec %s -acodec %s -y " % (filename,
split_cmd = "ffmpeg -i '%s' -vcodec %s -acodec %s -y %s" % (filename,
vcodec,
acodec)
acodec,
extra)
split_count = 1
split_error = []
try:
@ -83,7 +85,7 @@ def split_by_manifest(filename, manifest, vcodec="copy", acodec="copy",
def split_by_seconds(filename, split_length, vcodec="copy", acodec="copy",
**kwargs):
extra="", **kwargs):
if split_length and split_length <= 0:
print "Split length can't be 0"
raise SystemExit
@ -107,8 +109,8 @@ def split_by_seconds(filename, split_length, vcodec="copy", acodec="copy",
print "Video length is less then the target split length."
raise SystemExit
split_cmd = "ffmpeg -i '%s' -vcodec %s -acodec %s " % (filename, vcodec,
acodec)
split_cmd = "ffmpeg -i '%s' -vcodec %s -acodec %s %s" % (filename, vcodec,
acodec, extra)
try:
filebase = ".".join(filename.split(".")[:-1])
fileext = filename.split(".")[-1]
@ -164,6 +166,13 @@ def main():
default = "copy",
action = "store"
)
parser.add_option("-e", "--extra",
dest = "extra",
help = "Extra options for ffmpeg, e.g. '-e -threads 8'. ",
type = "string",
default = "",
action = "store"
)
(options, args) = parser.parse_args()
if options.filename and options.manifest: