def _make_rtmp_video_simple(self, gst_buf):
flags = 0x10
if gst_buf.flags & gst.BUFFER_FLAG_DELTA_UNIT:
flags = 0x20
return VecBuf(
[_s_uchar.pack(flags | self.video_codec.codecId),
buffer(gst_buf)])
def prepare_audio(self):
log.info('prepare_audio, caps: "%s"', self.audio_caps)
if self.audio_codec.codecId in (10, 11): # aac and speex are always
# marked 44kHz, stereo
rate = 44100
channels = 2
else:
rate = self.audio_rate
channels = self.channels
h1 = self.audio_codec.codecId << 4
h1 |= {44100: 3, 22050: 2, 11025: 1}.get(rate, 3) << 2
h1 |= 1 << 1 # always 16-bit size
h1 |= int(channels == 2)
self._ah1 = h1
if self.complex_audio_header:
self._header_audio = _s_double_uchar.pack(h1, 1) # h1 | "keyframe"
else:
self._header_audio = _s_uchar.pack(h1)
def prepare_audio(self):
log.info('prepare_audio, caps: "%s"', self.audio_caps)
if self.audio_codec.codecId in (10, 11): # aac and speex are always
# marked 44kHz, stereo
rate = 44100
channels = 2
else:
rate = self.audio_rate
channels = self.channels
h1 = self.audio_codec.codecId << 4
h1 |= {44100: 3, 22050: 2, 11025: 1}.get(rate, 3) << 2
h1 |= 1 << 1 # always 16-bit size
h1 |= int(channels == 2)
self._ah1 = h1
if self.complex_audio_header:
self._header_audio = _s_double_uchar.pack(h1, 1) # h1 | "keyframe"
else:
self._header_audio = _s_uchar.pack(h1)
def _make_rtmp_video_simple(self, gst_buf):
flags = 0x10
if gst_buf.flags & gst.BUFFER_FLAG_DELTA_UNIT:
flags = 0x20
return VecBuf([_s_uchar.pack(flags | self.video_codec.codecId),
buffer(gst_buf)])
