mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 21:51:09 +00:00
55 lines
1.3 KiB
Python
55 lines
1.3 KiB
Python
|
import sys
|
||
|
|
import gobject
|
||
|
|
import gst
|
||
|
|
|
||
|
|
class FileSource(gst.Element):
|
||
|
|
blocksize = 4096
|
||
|
|
fd = None
|
||
|
|
def __init__(self, name):
|
||
|
|
self.__gobject_init__()
|
||
|
|
self.set_name(name)
|
||
|
|
self.srcpad = gst.Pad('src', gst.PAD_SRC)
|
||
|
|
self.srcpad.set_get_function(self.srcpad_get)
|
||
|
|
self.add_pad(self.srcpad)
|
||
|
|
|
||
|
|
def set_property(self, name, value):
|
||
|
|
if name == 'location':
|
||
|
|
self.fd = open(value, 'r')
|
||
|
|
|
||
|
|
def srcpad_get(self, pad):
|
||
|
|
data = self.fd.read(self.blocksize)
|
||
|
|
if data:
|
||
|
|
return gst.Buffer(data)
|
||
|
|
else:
|
||
|
|
self.set_eos()
|
||
|
|
return gst.Event(gst.EVENT_EOS)
|
||
|
|
gobject.type_register(FileSource)
|
||
|
|
|
||
|
|
def main(args):
|
||
|
|
if len(args) != 3:
|
||
|
|
print 'Usage: %s input output' % (args[0])
|
||
|
|
return -1
|
||
|
|
|
||
|
|
bin = gst.Pipeline('pipeline')
|
||
|
|
|
||
|
|
filesrc = FileSource('filesource')
|
||
|
|
#filesrc = gst.Element('filesrc', 'src')
|
||
|
|
filesrc.set_property('location', args[1])
|
||
|
|
|
||
|
|
filesink = gst.Element('filesink', 'sink')
|
||
|
|
filesink.set_property('location', args[2])
|
||
|
|
|
||
|
|
bin.add_many(filesrc, filesink)
|
||
|
|
gst.element_link_many(filesrc, filesink)
|
||
|
|
|
||
|
|
bin.set_state(gst.STATE_PLAYING);
|
||
|
|
|
||
|
|
while bin.iterate():
|
||
|
|
pass
|
||
|
|
|
||
|
|
bin.set_state(gst.STATE_NULL)
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
sys.exit(main(sys.argv))
|
||
|
|
|