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