Example #1
0
 def modify_property_Bitrate(self, value):
     if not self.checkPropertyType('bitrate', value, int):
         return False
     maxsamplerate = get_max_sample_rate(value, self.channels)
     if self.rate > maxsamplerate:
         self.warning("Could not set property 'bitrate' on the theora "
                      "encoder: rate %d > max rate %d (for %d kbit/sec)" %
                      (self.rate, maxsamplerate, value))
         return False
     self.modify_element_property('enc', 'bitrate', value, needs_reset=True)
     return True
Example #2
0
 def modify_property_Bitrate(self, value):
     if not self.checkPropertyType('bitrate', value, int):
         return False
     maxsamplerate = get_max_sample_rate(value, self.channels)
     if self.rate > maxsamplerate:
         self.warning("Could not set property 'bitrate' on the theora "
             "encoder: rate %d > max rate %d (for %d kbit/sec)" % (
             self.rate, maxsamplerate, value))
         return False
     self.modify_element_property('enc', 'bitrate', value, needs_reset=True)
     return True
Example #3
0
        def buffer_probe(pad, buffer, unused_user_data):
            # this comes from another thread
            caps = pad.query_caps(None).to_string()
            kaps = Gst.structure_from_string(caps)
            in_rate = 44100  # kaps[0].get_value('rate')

            # now do necessary filtercaps
            self.rate = in_rate
            if self.bitrate > -1:
                maxsamplerate = get_max_sample_rate(self.bitrate, self.channels)
                if in_rate > maxsamplerate:
                    self.rate = get_preferred_sample_rate(maxsamplerate)
                    self.debug(
                        "rate %d > max rate %d (for %d kbit/sec), "
                        "selecting rate %d instead" % (in_rate, maxsamplerate, self.bitrate, self.rate)
                    )

            caps_str = "audio/x-raw, rate=%d, channels=%d" % (self.rate, self.channels)
            cf.set_property("caps", Gst.caps_from_string(caps_str))
            pad.remove_probe(handle)
            return True
Example #4
0
        def buffer_probe(pad, buffer):
            # this comes from another thread
            caps = buffer.get_caps()
            in_rate = caps[0]['rate']

            # now do necessary filtercaps
            self.rate = in_rate
            if self.bitrate > -1:
                maxsamplerate = get_max_sample_rate(self.bitrate,
                                                    self.channels)
                if in_rate > maxsamplerate:
                    self.rate = get_preferred_sample_rate(maxsamplerate)
                    self.debug(
                        'rate %d > max rate %d (for %d kbit/sec), '
                        'selecting rate %d instead' %
                        (in_rate, maxsamplerate, self.bitrate, self.rate))

            caps_str = 'audio/x-raw-float, rate=%d, channels=%d' % (
                self.rate, self.channels)
            cf.set_property('caps', gst.caps_from_string(caps_str))
            pad.remove_buffer_probe(handle)
            return True
Example #5
0
        def buffer_probe(pad, buffer):
            # this comes from another thread
            caps = buffer.get_caps()
            in_rate = caps[0]['rate']

            # now do necessary filtercaps
            rate = in_rate
            if self.bitrate > -1:
                maxsamplerate = get_max_sample_rate(
                    self.bitrate, self.channels)
                if in_rate > maxsamplerate:
                    rate = get_preferred_sample_rate(maxsamplerate)
                    self.debug(
                        'rate %d > max rate %d (for %d kbit/sec), '
                        'selecting rate %d instead' % (
                        in_rate, maxsamplerate, self.bitrate, rate))

            caps_str = 'audio/x-raw-float, rate=%d, channels=%d' % (rate,
                        self.channels)
            cf.set_property('caps',
                            gst.caps_from_string(caps_str))
            pad.remove_buffer_probe(handle)
            return True
Example #6
0
        def buffer_probe(pad, buffer, user_data):
            # this comes from another thread
            caps = pad.get_current_caps()
            in_rate = caps.get_structure(0).get_int('rate')[1]

            # now do necessary filtercaps
            self.rate = in_rate
            if self.bitrate > -1:
                maxsamplerate = get_max_sample_rate(
                    self.bitrate, self.channels)
                if in_rate > maxsamplerate:
                    self.rate = get_preferred_sample_rate(maxsamplerate)
                    self.debug(
                        'rate %d > max rate %d (for %d kbit/sec), '
                        'selecting rate %d instead' % (
                        in_rate, maxsamplerate, self.bitrate, self.rate))


            caps_str = 'audio/x-raw, rate=%d, channels=%d' % (self.rate,
                        self.channels)
            cf.set_property('caps',
                            Gst.Caps.from_string(caps_str))
            pad.remove_probe(handle)
            return True