def ReadAudio(self, nframes, time=None):
if not time is None:
self.audiocurtime = time
flags = QuickTime.nextTimeStep | QuickTime.nextTimeEdgeOK
if self.audiocurtime == None:
## flags = flags | QuickTime.nextTimeEdgeOK
self.audiocurtime = 0
tv = self.audiomedia.GetMediaNextInterestingTimeOnly(
flags, self.audiocurtime, 1.0)
## print 'time', self.audiocurtime, 'tv', tv
if tv < 0 or (self.audiocurtime and tv < self.audiocurtime):
return self._audiotime_to_ms(self.audiocurtime), None
## self.audiocurtime = tv
h = Res.Handle('')
desc_h = Res.Handle('')
size, actualtime, sampleduration, desc_index, actualcount, flags = \
self.audiomedia.GetMediaSample(h, 0, tv, desc_h, nframes)
## print 'au', size, actualtime, sampleduration, desc_index, actualcount, flags, len(h.data)
self.audiocurtime = actualtime + actualcount * sampleduration
## print 'after in ms', self._audiotime_to_ms(self.audiocurtime)
## moviecurtime = self._videotime_to_movietime(self.audiocurtime)
## self.movie.SetMovieTimeValue(moviecurtime)
## self.movie.MoviesTask(0)
return self._audiotime_to_ms(actualtime), h.data
def ReadAudio(self, nframes, time = None):
if time is not None:
self.audiocurtime = time
flags = QuickTime.nextTimeStep | QuickTime.nextTimeEdgeOK
if self.audiocurtime is None:
self.audiocurtime = 0
tv = self.audiomedia.GetMediaNextInterestingTimeOnly(flags, self.audiocurtime, 1.0)
if tv < 0 or self.audiocurtime and tv < self.audiocurtime:
return (self._audiotime_to_ms(self.audiocurtime), None)
else:
h = Res.Handle('')
desc_h = Res.Handle('')
size, actualtime, sampleduration, desc_index, actualcount, flags = self.audiomedia.GetMediaSample(h, 0, tv, desc_h, nframes)
self.audiocurtime = actualtime + actualcount * sampleduration
return (self._audiotime_to_ms(actualtime), h.data)
def __init__(self, path):
fd = Qt.OpenMovieFile(path, 0)
self.movie, d1, d2 = Qt.NewMovieFromFile(fd, 0, 0)
self.movietimescale = self.movie.GetMovieTimeScale()
try:
self.audiotrack = self.movie.GetMovieIndTrackType(1, QuickTime.AudioMediaCharacteristic, QuickTime.movieTrackCharacteristic)
self.audiomedia = self.audiotrack.GetTrackMedia()
except Qt.Error:
self.audiotrack = self.audiomedia = None
self.audiodescr = {}
else:
handle = Res.Handle('')
n = self.audiomedia.GetMediaSampleDescriptionCount()
self.audiomedia.GetMediaSampleDescription(1, handle)
self.audiodescr = _audiodescr(handle.data)
self.audiotimescale = self.audiomedia.GetMediaTimeScale()
del handle
try:
self.videotrack = self.movie.GetMovieIndTrackType(1, QuickTime.VisualMediaCharacteristic, QuickTime.movieTrackCharacteristic)
self.videomedia = self.videotrack.GetTrackMedia()
except Qt.Error:
self.videotrack = self.videomedia = self.videotimescale = None
if self.videotrack:
self.videotimescale = self.videomedia.GetMediaTimeScale()
x0, y0, x1, y1 = self.movie.GetMovieBox()
self.videodescr = {'width': x1 - x0,
'height': y1 - y0}
self._initgworld()
self.videocurtime = None
self.audiocurtime = None
return
def _polyhandle(self, pointlist, conv=1, cliprgn=None):
"""Return polygon structure"""
xscrolloffset, yscrolloffset = self._window._scrolloffset()
# Find the bounding box
minx = maxx = pointlist[0][0]
miny = maxy = pointlist[0][1]
for x, y in pointlist:
if x < minx: minx = x
if y < miny: miny = y
if x > maxx: maxx = x
if y > maxy: maxy = y
if conv:
minx, miny = self._convert_coordinates((minx, miny))
maxx, maxy = self._convert_coordinates((maxx, maxy))
if not self._render_overlaprgn((minx, miny, maxx, maxy)):
return
# Create structure head
size = len(pointlist) * 4 + 10
data = struct.pack("hhhhh", size, miny, minx, maxy, maxx)
## self._update_bbox(minx, miny, maxx, maxy)
for pt in pointlist:
if conv:
x, y = self._convert_coordinates(pt)
else:
x, y = pt
data = data + struct.pack("hh", y, x)
return Res.Handle(data)
def __init__(self, url):
path = MMurl.urlretrieve(url)[0]
fsspec = macfs.FSSpec(path)
fd = Qt.OpenMovieFile(fsspec, 0)
self.movie, d1, d2 = Qt.NewMovieFromFile(fd, 0, 0)
self.movietimescale = self.movie.GetMovieTimeScale()
try:
self.audiotrack = self.movie.GetMovieIndTrackType(
1, QuickTime.AudioMediaCharacteristic,
QuickTime.movieTrackCharacteristic)
self.audiomedia = self.audiotrack.GetTrackMedia()
except Qt.Error:
self.audiotrack = self.audiomedia = None
self.audiodescr = {}
else:
handle = Res.Handle('')
n = self.audiomedia.GetMediaSampleDescriptionCount()
self.audiomedia.GetMediaSampleDescription(1, handle)
self.audiodescr = MediaDescr.SoundDescription.decode(handle.data)
self.audiotimescale = self.audiomedia.GetMediaTimeScale()
del handle
try:
self.videotrack = self.movie.GetMovieIndTrackType(
1, QuickTime.VisualMediaCharacteristic,
QuickTime.movieTrackCharacteristic)
self.videomedia = self.videotrack.GetTrackMedia()
except Qt.Error:
self.videotrack = self.videomedia = self.videotimescale = None
if self.videotrack:
self.videotimescale = self.videomedia.GetMediaTimeScale()
x0, y0, x1, y1 = self.movie.GetMovieBox()
self.videodescr = {'width': (x1 - x0), 'height': (y1 - y0)}
self._initgworld()
self.videocurtime = None
self.audiocurtime = None
"""StandardFile compatability module: implement macfs StandardFile
# Video file reader, using QuickTime
