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synced 2024-12-10 10:14:55 +08:00
- Handle the img and MediaFormat modules not being available (by not
providing the format info, only the raw data). - Get rid of fsspecs. - Make the demo program at least do something if img not available.
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@ -12,11 +12,20 @@ from Carbon import Qd
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from Carbon import Qdoffs
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from Carbon import QDOffscreen
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from Carbon import Res
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import MediaDescr
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import imgformat
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try:
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import MediaDescr
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except ImportError:
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def _audiodescr(data):
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return None
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else:
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def _audiodescr(data):
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return MediaDescr.SoundDescription.decode(data)
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try:
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from imgformat import macrgb
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except ImportError:
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macrgb = "Macintosh RGB format"
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import os
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# import audio.format
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import macfs
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class VideoFormat:
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def __init__(self, name, descr, width, height, format):
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@ -40,8 +49,7 @@ class VideoFormat:
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class _Reader:
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def __init__(self, path):
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fsspec = macfs.FSSpec(path)
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fd = Qt.OpenMovieFile(fsspec, 0)
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fd = Qt.OpenMovieFile(path, 0)
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self.movie, d1, d2 = Qt.NewMovieFromFile(fd, 0, 0)
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self.movietimescale = self.movie.GetMovieTimeScale()
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try:
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@ -55,7 +63,7 @@ class _Reader:
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handle = Res.Handle('')
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n = self.audiomedia.GetMediaSampleDescriptionCount()
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self.audiomedia.GetMediaSampleDescription(1, handle)
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self.audiodescr = MediaDescr.SoundDescription.decode(handle.data)
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self.audiodescr = _audiodescr(handle.data)
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self.audiotimescale = self.audiomedia.GetMediaTimeScale()
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del handle
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@ -139,6 +147,8 @@ class _Reader:
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return self._gettrackduration_ms(self.videotrack)
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def GetAudioFormat(self):
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if not self.audiodescr:
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return None, None, None, None, None
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bps = self.audiodescr['sampleSize']
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nch = self.audiodescr['numChannels']
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if nch == 1:
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@ -167,12 +177,14 @@ class _Reader:
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return channels, encoding, blocksize, fpb, bps
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def GetAudioFrameRate(self):
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if not self.audiodescr:
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return None
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return int(self.audiodescr['sampleRate'])
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def GetVideoFormat(self):
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width = self.videodescr['width']
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height = self.videodescr['height']
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return VideoFormat('dummy_format', 'Dummy Video Format', width, height, imgformat.macrgb)
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return VideoFormat('dummy_format', 'Dummy Video Format', width, height, macrgb)
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def GetVideoFrameRate(self):
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tv = self.videocurtime
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@ -236,18 +248,20 @@ def reader(url):
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return rdr
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def _test():
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import img
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import EasyDialogs
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try:
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import img
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except ImportError:
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img = None
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import MacOS
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Qt.EnterMovies()
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fss, ok = macfs.PromptGetFile('Video to convert')
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if not ok: sys.exit(0)
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path = fss.as_pathname()
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path = EasyDialogs.AskFileForOpen(message='Video to convert')
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if not path: sys.exit(0)
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rdr = reader(path)
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if not rdr:
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sys.exit(1)
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dstfss, ok = macfs.StandardPutFile('Name for output folder')
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if not ok: sys.exit(0)
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dstdir = dstfss.as_pathname()
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dstdir = EasyDialogs.AskFileForSave(message='Name for output folder')
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if not dstdir: sys.exit(0)
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num = 0
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os.mkdir(dstdir)
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videofmt = rdr.GetVideoFormat()
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@ -258,16 +272,18 @@ def _test():
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fname = 'frame%04.4d.jpg'%num
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num = num+1
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pname = os.path.join(dstdir, fname)
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print 'Writing', fname, imgw, imgh, len(data)
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wrt = img.writer(imgfmt, pname)
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wrt.width = imgw
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wrt.height = imgh
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wrt.write(data)
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timestamp, data = rdr.ReadVideo()
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MacOS.SetCreatorAndType(pname, 'ogle', 'JPEG')
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if num > 20:
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print 'stopping at 20 frames so your disk does not fill up:-)'
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break
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if not img: print 'Not',
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print 'Writing %s, size %dx%d, %d bytes'%(fname, imgw, imgh, len(data))
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if img:
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wrt = img.writer(imgfmt, pname)
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wrt.width = imgw
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wrt.height = imgh
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wrt.write(data)
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timestamp, data = rdr.ReadVideo()
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MacOS.SetCreatorAndType(pname, 'ogle', 'JPEG')
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if num > 20:
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print 'stopping at 20 frames so your disk does not fill up:-)'
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break
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print 'Total frames:', num
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if __name__ == '__main__':
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