mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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58b2da766e
Original commit message from CVS: Update examples, remove some old non-functional ones and add new
111 lines
3.4 KiB
Python
Executable file
111 lines
3.4 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- Mode: python -*-
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import getopt
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import sys
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import gst
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"""Usage: gst123 [<options>] <input file> ...
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-h, --help this help
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-V, --version display gst123 version
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-d, --device=d uses 'd' as an output device
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Possible devices are ('*'=live, '@'=file):
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null* wav@ raw@ au@ arts* esd* oss*
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-f, --file=filename Set the output filename for a previously
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specified file device (with -d).
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-k n, --skip n Skip the first 'n' seconds
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-b n, --buffer n use an input buffer of 'n' kilobytes
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-v, --verbose display progress and other status information
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-q, --quiet don't display anything (no title)
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-z, --shuffle shuffle play"""
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def found_tags_cb(element, source, tags):
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for tag in tags.keys():
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if tag in ['title', 'artist', 'genre', 'album']:
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ntag = tag[0].upper() + tag[1:] + ':'
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print '%-8s %s' % (ntag, tags[tag])
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def error_cb(bin, element, error, debug):
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print error
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raise SystemExit
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def pad_notify_caps_cb(pad, arg):
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caps = pad.get_negotiated_caps()
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if not caps:
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return
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for structure in caps:
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print 'Bitstream is %(channels)d channel(s), %(rate)dHz' % structure
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def playfile(filename):
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bin = gst.Thread('player')
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bin.connect('eos', lambda bin: gst.main_quit())
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bin.connect('error', error_cb)
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source = gst.element_factory_make('filesrc', 'src')
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source.set_property('location', filename)
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spider = gst.element_factory_make('spider', 'spider')
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spider.connect('found-tag', found_tags_cb)
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sink = gst.element_factory_make('osssink', 'sink')
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#sink.set_property('release-device', 1)
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pad = sink.get_pad('sink')
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pad.connect('notify::caps', pad_notify_caps_cb)
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bin.add_many(source, spider, sink)
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if not gst.element_link_many(source, spider, sink):
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print "ERROR: could not link"
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sys.exit(1)
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print 'Playing:', filename
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if not bin.set_state(gst.STATE_PLAYING):
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print "ERROR: could not set bin to playing"
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sys.exit(1)
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while 1:
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try:
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if not gst.main():
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break
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except KeyboardInterrupt:
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if not bin.set_state(gst.STATE_PAUSED):
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print "ERROR: could not set bin to paused"
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sys.exit(1)
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sys.stdout.write("Paused. Press Enter to go back to playing.")
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sys.stdout.flush()
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try:
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sys.stdin.readline()
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if not bin.set_state(gst.STATE_PLAYING):
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print "ERROR: could not set bin to playing"
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sys.exit(1)
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print "Playing."
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except KeyboardInterrupt:
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print
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break
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bin.set_state(gst.STATE_NULL)
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def main(args):
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if len(args) > 2:
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print 'usage: gst123 files...'
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return 2
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args2, opt = getopt.getopt(args[1:], 'b:d:f:hk:vVqz',
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['help', 'version', 'device=',
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'file=', 'skip=', 'buffer=',
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'verbose', 'quiet', 'shuffle'])
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for arg in args[1:]:
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try:
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playfile(arg)
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except KeyboardInterrupt:
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raise SystemExit
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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for i in range(10, 20, 1):
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pass
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