def preroll_done(self):
if self.rewrite:
gps = [b[-1][0] for b in self.bufs.values() if b]
if gps:
self.base_gp = max(gps)
log.debug('preroll_done: buf lens: %r, rewr: %r (%r), mark: %r',
[(t, len(b)) for (t, b) in self.bufs.items()], self.rewrite,
self.base_gp, self.mark)
for type, mark in ((chunks.MSG_VIDEO, self.mark),
(chunks.MSG_AUDIO, False)):
frames = self.bufs.get(type)
if mark:
# TODO: use correct codec id for the info markers,
# not always "7"
self.nstream.send(0, t, vb('\x57\x00'))
if frames:
if self.rewrite:
self._send_many_zero_gp(type, frames)
else:
self._send_many(type, frames)
frames.clear()
self.nstream.send(0, t, vb('\x57\x01'))
elif frames:
if self.rewrite:
self._send_many_zero_gp(type, frames)
else:
self._send_many(type, frames)
frames.clear()
self.prerolling = False
log.debug('preroll_done: done.')
def preroll_done(self):
if self.rewrite:
gps = [b[-1][0] for b in self.bufs.values() if b]
if gps:
self.base_gp = max(gps)
log.debug('preroll_done: buf lens: %r, rewr: %r (%r), mark: %r',
[(t, len(b)) for (t, b) in self.bufs.items()], self.rewrite,
self.base_gp, self.mark)
for type, mark in ((chunks.MSG_VIDEO, self.mark),
(chunks.MSG_AUDIO, False)):
frames = self.bufs.get(type)
if mark:
# TODO: use correct codec id for the info markers,
# not always "7"
self.nstream.send(0, t, vb('\x57\x00'))
if frames:
if self.rewrite:
self._send_many_zero_gp(type, frames)
else:
self._send_many(type, frames)
frames.clear()
self.nstream.send(0, t, vb('\x57\x01'))
elif frames:
if self.rewrite:
self._send_many_zero_gp(type, frames)
else:
self._send_many(type, frames)
frames.clear()
self.prerolling = False
log.debug('preroll_done: done.')
def _connect_succeeded(self, result):
self._connected = True
sm = self.muxer.sendMessage
sm(0, chunks.PROTO_WINDOW_SIZE, 0, vb('002625a0'.decode('hex')))
sm(0, chunks.PROTO_SET_BANDWIDTH, 0, vb('002625a002'.decode('hex')))
sm(0, chunks.PROTO_USER_CONTROL, 0, vb('000000000000'.decode('hex')))
return result
def _init_connect(self):
# why change chunk size? :/
sm = self.muxer.sendMessage
sm(0, chunks.PROTO_SET_CHUNK_SIZE, 0, vb('00000400'.decode('hex')))
self.muxer.set_chunk_size(0x0400)
app_path = self.factory.get_connect_app_path()
app_url = self.factory.get_connect_url()
self._app = self.factory.make_app(self)
def _connected(info):
log.debug('_connected: %r', info)
self._app.makeConnection(info)
def _translate_failure(failure):
failure.trap(CommandResultError)
# for the moment we know we tried to connect, hence ConnectError
# TODO: add a more fine-grained translation(?)
return Failure(ClientConnectError(*failure.value.args))
params = self.make_connect_params(app=app_path,
# flashVer='LNX 10,0,22,87',
flashVer=CLIENT_VERSION,
tcUrl=app_url,
objectEncoding=0)
extra_params = self._app.get_connect_extra()
log.debug('invoking connect(%r, extra=%r)' % (params, extra_params))
d = self.callRemote(0, 'connect', params, *extra_params)
d.addErrback(_translate_failure)
d.addCallbacks(_connected, self._connect_call_failed)
d.addErrback(self._failed_disconnect)
def muxer_messages(mux):
return [
(m[0], m[1], m[2],
(decode_amf(vb(m[3])) if m[1] in (chunks.MSG_COMMAND,
chunks.MSG_DATA) else m[3]), m[4])
for m in mux.messages
]
def muxer_messages(mux):
return [(m[0], m[1], m[2],
(decode_amf(vb(m[3]))
if m[1] in (chunks.MSG_COMMAND, chunks.MSG_DATA)
else m[3]),
m[4])
for m in mux.messages]
def _init_connect(self):
# why change chunk size? :/
sm = self.muxer.sendMessage
sm(0, chunks.PROTO_SET_CHUNK_SIZE, 0, vb('00000400'.decode('hex')))
self.muxer.set_chunk_size(0x0400)
app_path = self.factory.get_connect_app_path()
app_url = self.factory.get_connect_url()
self._app = self.factory.make_app(self)
def _connected(info):
log.debug('_connected: %r', info)
self._app.makeConnection(info)
def _translate_failure(failure):
failure.trap(CommandResultError)
# for the moment we know we tried to connect, hence ConnectError
# TODO: add a more fine-grained translation(?)
return Failure(ClientConnectError(*failure.value.args))
params = self.make_connect_params(app=app_path,
# flashVer='LNX 10,0,22,87',
flashVer=CLIENT_VERSION,
tcUrl=app_url,
objectEncoding=0)
log.debug('invoking connect(%r)', params)
d = self.callRemote(0, 'connect', params, {})
d.addErrback(_translate_failure)
d.addCallbacks(_connected, self._connect_call_failed)
d.addErrback(self._failed_disconnect)
def test_callRemote_disconnect(self):
p, t, dmx, mux = self.build_proto()
d = p.callRemote(1, 'echo', 'sing it back')
self.assertEquals(len(mux.messages), 1)
msg = mux.messages[0]
self.assertEquals(msg[0:3] + msg[4:],
(0, chunks.MSG_COMMAND, 1, False))
# can't rely on transaction number, so we skip it
decoded = decode_amf(vb(msg[3]))
self.assertEquals((decoded[0], decoded[2]), ('echo', 'sing it back'))
p.connectionLost()
self.assertFailure(d, error.ConnectionDone)
return d
def test_callRemote_disconnect(self):
p, t, dmx, mux = self.build_proto()
d = p.callRemote(1, 'echo', 'sing it back')
self.assertEquals(len(mux.messages), 1)
msg = mux.messages[0]
self.assertEquals(msg[0:3] + msg[4:],
(0, chunks.MSG_COMMAND, 1, False))
# can't rely on transaction number, so we skip it
decoded = decode_amf(vb(msg[3]))
self.assertEquals((decoded[0], decoded[2]), ('echo', 'sing it back'))
p.connectionLost()
self.assertFailure(d, error.ConnectionDone)
return d
def test_callRemote_result(self):
p, t, dmx, mux = self.build_proto()
d = p.callRemote(1, 'echo', 'sing it back')
self.assertEquals(len(mux.messages), 1)
msg = mux.messages[0]
self.assertEquals(msg[0:3] + msg[4:],
(0, chunks.MSG_COMMAND, 1, False))
# can't rely on transaction number, so we skip it
decoded = decode_amf(vb(msg[3]))
self.assertEquals((decoded[0], decoded[2]), ('echo', 'sing it back'))
dmx.inject(3, 0, const.RTMP_COMMAND, 1,
encode_amf('_result', decoded[1], None, decoded[2]))
d.addCallback(self.assertEquals, (None, 'sing it back'))
return d
def test_callRemote_result(self):
p, t, dmx, mux = self.build_proto()
d = p.callRemote(1, 'echo', 'sing it back')
self.assertEquals(len(mux.messages), 1)
msg = mux.messages[0]
self.assertEquals(msg[0:3] + msg[4:],
(0, chunks.MSG_COMMAND, 1, False))
# can't rely on transaction number, so we skip it
decoded = decode_amf(vb(msg[3]))
self.assertEquals((decoded[0], decoded[2]), ('echo', 'sing it back'))
dmx.inject(3, 0, const.RTMP_COMMAND, 1,
encode_amf('_result', decoded[1], None, decoded[2]))
d.addCallback(self.assertEquals, (None, 'sing it back'))
return d
def test_callRemote_error(self):
p, t, dmx, mux = self.build_proto()
d = p.callRemote(1, 'echo', 'sing it back')
self.assertEquals(len(mux.messages), 1)
msg = mux.messages[0]
self.assertEquals(msg[0:3] + msg[4:],
(0, chunks.MSG_COMMAND, 1, False))
# can't rely on transaction number, so we skip it
decoded = decode_amf(vb(msg[3]))
self.assertEquals((decoded[0], decoded[2]), ('echo', 'sing it back'))
err_info = Object(code='Failed', level='error', desc='no echo method')
dmx.inject(3, 0, const.RTMP_COMMAND, 1,
encode_amf('_error', decoded[1], None, err_info))
self.assertFailure(d, CommandResultError)
d.addCallback(lambda r: self.assertEquals(r.args, (None, err_info)))
return d
def test_callRemote_error(self):
p, t, dmx, mux = self.build_proto()
d = p.callRemote(1, 'echo', 'sing it back')
self.assertEquals(len(mux.messages), 1)
msg = mux.messages[0]
self.assertEquals(msg[0:3] + msg[4:],
(0, chunks.MSG_COMMAND, 1, False))
# can't rely on transaction number, so we skip it
decoded = decode_amf(vb(msg[3]))
self.assertEquals((decoded[0], decoded[2]), ('echo', 'sing it back'))
err_info = Object(code='Failed', level='error', desc='no echo method')
dmx.inject(3, 0, const.RTMP_COMMAND, 1,
encode_amf('_error', decoded[1], None, err_info))
self.assertFailure(d, CommandResultError)
d.addCallback(lambda r: self.assertEquals(r.args, (None, err_info)))
return d
def doUserControlPing(self, header, peer_time):
sm = self.protocol.muxer.sendMessage
sm(0, chunks.PROTO_USER_CONTROL, 0,
vb(_s_uctrl_single.pack(const.UCTRL_PONG, peer_time)))
def on_data(self, ts, type_, data):
stream = self._tracks.get(type_, None)
if not stream:
d = self._make_stream(ts, type_)
if not d:
return
# FIXME: there should really be a queue between nstream and sg
# instead, for the moment, we'll just re-try the on_data()
d.addCallback(lambda _: self.on_data(ts, type_, data))
return
flags = 0
if type_ == chunks.MSG_VIDEO:
bytes = len(data)
frame_type, codec_id, h264_type = None, None, None
if bytes > 1:
ft_codec, h264_type = _s_double_uchar.unpack(data.peek(2))
frame_type, codec_id = ft_codec >> 4, ft_codec & 0x0f
elif bytes > 0:
ft_codec, = _s_uchar.unpack(data.peek(1))
frame_type, codec_id = ft_codec >> 4, ft_codec & 0x0f
if frame_type == 1 and codec_id == 7 and h264_type == 0:
d = stream.write_headers(data)
return
elif frame_type is not None:
if frame_type == 1:
flags = FF_KEYFRAME
else: # FIXME: this is not necessarily correct
flags = FF_INTERFRAME
elif type_ == chunks.MSG_AUDIO:
bytes = len(data)
codec_id, aac_type = None, None
if bytes > 1:
ft_codec, aac_type = _s_double_uchar.unpack(data.peek(2))
codec_id = ft_codec >> 4
elif bytes > 0:
ft_codec, = _s_uchar.unpack(data.peek(1))
codec_id = ft_codec >> 4
if codec_id == 10 and aac_type == 0:
self._audio_headers += 1
d = stream.write_headers(data)
return
elif codec_id != 10 and self._audio_headers == 0:
# Flash, doesn't use real headers for those formats,
# but let's mark that there is an audio track with an
# empty packet (Flash doesn't seem to mind those)
# early on
self._audio_headers += 1
d = stream.write_headers(vb(data.peek(1)))
if codec_id is not None:
flags = FF_KEYFRAME # audio usually is all keyframes
else:
log.error('Unsupported data type: %r', type_)
return
d = stream.write(ts, flags, data)
def sinject(self, cs_id, time, type_, ms_id, data):
body = vb(data)
self.inject(cs_id, time, type_, ms_id, body)
def doUserControlPing(self, header, peer_time):
sm = self.protocol.muxer.sendMessage
sm(0, chunks.PROTO_USER_CONTROL, 0,
vb(_s_uctrl_single.pack(const.UCTRL_PONG, peer_time)))
def check_send_ack(self):
if self._next_ack < self.bytes_read:
self.set_next_ack()
self.muxer.sendMessage(0, chunks.PROTO_ACK, 0,
vb(_s_ulong.pack(self.bytes_read)))
def on_data(self, ts, type_, data):
stream = self._tracks.get(type_, None)
if not stream:
d = self._make_stream(ts, type_)
if not d:
return
# FIXME: there should really be a queue between nstream and sg
# instead, for the moment, we'll just re-try the on_data()
d.addCallback(lambda _: self.on_data(ts, type_, data))
return
flags = 0
if type_ == chunks.MSG_VIDEO:
bytes = len(data)
frame_type, codec_id, h264_type = None, None, None
if bytes > 1:
ft_codec, h264_type = _s_double_uchar.unpack(data.peek(2))
frame_type, codec_id = ft_codec >> 4, ft_codec & 0x0f
elif bytes > 0:
ft_codec, = _s_uchar.unpack(data.peek(1))
frame_type, codec_id = ft_codec >> 4, ft_codec & 0x0f
if frame_type == 1 and codec_id == 7 and h264_type == 0:
d = stream.write_headers(data)
return
elif frame_type is not None:
if frame_type == 1:
flags = FF_KEYFRAME
else: # FIXME: this is not necessarily correct
flags = FF_INTERFRAME
elif type_ == chunks.MSG_AUDIO:
bytes = len(data)
codec_id, aac_type = None, None
if bytes > 1:
ft_codec, aac_type = _s_double_uchar.unpack(data.peek(2))
codec_id = ft_codec >> 4
elif bytes > 0:
ft_codec, = _s_uchar.unpack(data.peek(1))
codec_id = ft_codec >> 4
if codec_id == 10 and aac_type == 0:
self._audio_headers += 1
d = stream.write_headers(data)
return
elif codec_id != 10 and self._audio_headers == 0:
# Flash, doesn't use real headers for those formats,
# but let's mark that there is an audio track with an
# empty packet (Flash doesn't seem to mind those)
# early on
self._audio_headers += 1
d = stream.write_headers(vb(data.peek(1)))
if codec_id is not None:
flags = FF_KEYFRAME # audio usually is all keyframes
else:
log.error('Unsupported data type: %r', type_)
return
d = stream.write(ts, flags, data)
def set_chunk_size(self, new_size):
sm = self.protocol.muxer.sendMessage
sm(0, chunks.PROTO_SET_CHUNK_SIZE, 0, vb(_s_ulong.pack(new_size)))
self.protocol.muxer.set_chunk_size(new_size)
def ctrlStreamBegin(self):
sm = self.protocol.muxer.sendMessage
return sm(0, chunks.PROTO_USER_CONTROL, 0,
vb(_s_uc_single.pack(const.UCTRL_STREAM_BEGIN, self.id)))
def check_send_ack(self):
if self._next_ack < self.bytes_read:
self.set_next_ack()
self.muxer.sendMessage(0, chunks.PROTO_ACK, 0,
vb(_s_ulong.pack(self.bytes_read)))
def ctrlStreamRecorded(self):
sm = self.protocol.muxer.sendMessage
return sm(0, chunks.PROTO_USER_CONTROL, 0,
vb(_s_uc_single.pack(const.UCTRL_STREAM_RECORDED, self.id)))
def sinject(self, cs_id, time, type_, ms_id, data):
body = vb(data)
self.inject(cs_id, time, type_, ms_id, body)
def set_chunk_size(self, new_size):
sm = self.protocol.muxer.sendMessage
sm(0, chunks.PROTO_SET_CHUNK_SIZE, 0, vb(_s_ulong.pack(new_size)))
self.protocol.muxer.set_chunk_size(new_size)
