pygi
Raushan Kumar Choudhary
raushankumar at tataelxsi.co.in
Thu Nov 19 07:32:16 PST 2015
did u switch on your internet connection
Sent from my iPhone
> On 19-Nov-2015, at 8:24 pm, vassilux . <v.gontcharov at gmail.com> wrote:
>
> Hi alls,
> I try to port my old java-gstreamer application to pygi and make a little test with follow
> This commande works
> gst-launch-1.0 filesrc location=c:\\audiotest\\0000ad39.wav ! decodebin ! audioconvert ! audioresample ! lamemp3enc ! filesink location=c:\\audiotest\\0000ad39.mp3
>
>
> I want to run something like this from python(pygi)
>
> import logging
> from logging.handlers import RotatingFileHandler
>
> logging.basicConfig(level=logging.INFO)
>
> logger = logging.getLogger('myapp')
>
> import gi
> gi.require_version('Gst', '1.0')
> from gi.repository import GObject, Gst
>
> GObject.threads_init()
> Gst.init(None)
>
> def transcode_process(pathin, pathout):
>
> log_message = "Transcoding %s to %s" % (pathin, pathout)
>
> cmd = 'filesrc location=c:\\\\audiotest\\0000ad39.wav name=source ! decodebin ! audioconvert ! audioresample ! lamemp3enc name=encoder ! filesink location=c:\\\\audiotest\\0000ad39.mp3 name=output'
>
> pipeline = Gst.parse_launch(cmd)
>
> if pipeline == None:
> logger.error("Failed get pipeline")
> return
>
> source = pipeline.get_by_name('source')
>
> if source == None:
> logger.error("Failed get source")
> return
>
> try:
>
> pipeline.set_state(Gst.State.PLAYING)
>
> bus = pipeline.get_bus()
>
> msg = bus.timed_pop_filtered(Gst.CLOCK_TIME_NONE, Gst.MessageType.ERROR | Gst.MessageType.EOS)
>
>
> pipeline.set_state(Gst.State.NULL)
>
> except Exception as e:
> logger.error(str(e))
> logger.error("Could not open the file for transcoding. This is probably happening because there are non-ASCII characters in the filename.")
> finally:
> try:
> # I think this is supposed to free the memory used by the pipeline
> pipeline.set_state(Gst.State.NULL)
> except:
> pass
>
>
> def main():
> print sys.getdefaultencoding()
> transcode_process("c:\\\\audiotest\\0000ad39.wav", "c:\\\\audiotest\\0000ad39.mp3")
>
>
> if __name__ == "__main__":
> main()
>
>
> Something missing .. :-)
>
> Thank for help
>
>
>
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