def __init__(self, targetContext):
"""
targetContext's transcoding config should
have the following attributes:
videoEncoder
videoFramerate
videoPAR
videoWidth
videoHeight
videoMaxWidth
videoMaxHeight
videoScaleMethod
videoWidthMultiple
videoHeightMultiple
muxer
"""
TranscodingTarget.__init__(self, targetContext)
self._checkConfAttr("videoEncoder", True)
self._checkConfAttr("muxer", True)
self._checkConfAttr("videoFramerate")
self._checkConfAttr("videoPAR")
self._checkConfAttr("videoWidth")
self._checkConfAttr("videoHeight")
self._checkConfAttr("videoMaxWidth")
self._checkConfAttr("videoMaxHeight")
self._checkConfAttr("videoWidthMultiple")
self._checkConfAttr("videoHeightMultiple")
self._checkConfAttr("videoScaleMethod")
def __init__(self, targetContext):
"""
targetContext's transcoding config should
have the following attributes:
audioEncoder
audioRate
audioChannels
muxer
"""
TranscodingTarget.__init__(self, targetContext)
self._checkConfAttr("audioEncoder", True)
self._checkConfAttr("muxer", True)
self._checkConfAttr("audioRate")
self._checkConfAttr("audioChannels")
def __init__(self, targetContext):
"""
The filename may contain template variables:
%(frame)d => frame number (starting at 1)
%(keyframe)d => key-frame number (starting at 1)
%(index)d => index of the thumbnail (starting at 1)
%(timestamp)d => timestamp of the thumbnail
%(time)s => composed time of the thumbnail,
like %(hours)02d:%(minutes)02d:%(seconds)02d
%(hours)d => hours from start
%(minutes)d => minutes from start
%(seconds)d => seconds from start
Transcoding config should contains the attributes:
periodValue
periodUnit (seconds, frames or percent)
maxCount
thumbsWidth
thumbsHeight
outputFormat Enum(jpg, png)
"""
TranscodingTarget.__init__(self, targetContext)
self._pipeline = None
self._bus = None
self._thumbSink = None
self._thumbSrc = None
self._fileSink = None
self._working = False
self._finalizing = False
self._pending = [] # [(gst.Buffer, Variables)]
self._thumbnails = {} # {filename: None}
self._waiters = PassiveWaiters("Thumbnailer Finalization")
self._prerollTimeout = None
self._playErrorTimeout = None
self._startLock = threading.Lock()
self._checkConfAttr("periodValue")
self._checkConfAttr("periodUnit")
self._checkConfAttr("maxCount")
self._checkConfAttr("thumbsWidth")
self._checkConfAttr("thumbsHeight")
self._checkConfAttr("outputFormat")
