def writeFrame(self, frame):
buf = ctypes.addressof(self._buffer)
self._frame.pts = self._currentPts
self._currentPts += 1
bytes = avcodec.avcodec_encode_video(self._codecCtx, buf, self._bufSize, self._frame)
# print "pts", self._frame.pts
print "bytes",bytes
if bytes>0:
self._pkt.data = ctypes.cast(self._buffer, ctypes.POINTER(ctypes.c_uint8))
self._pkt.size = bytes
self._pkt.pts = self._frame.pts
# if self._codecCtx.coded_frame.contents.key_frame:
# self._pkt.flags |= cppdefs.PKT_FLAG_KEY
avformat.av_interleaved_write_frame(self._formatCtx, self._pkt)
def writeFrame__dummy(self):
# Create a packet struct and initialize it
pkt = AVPacket()
avcodec.av_init_packet(pkt)
#pkt.stream_index = outputstream.index
#big_picture.pts= ost->sync_opts;
# Encode the frame
bytes = avcodec.avcodec_encode_video(codecCtx, buf, bufsize, picture)
if bytes>0:
pkt.data = buf
pkt.size = bytes
# pkt.pts = ...
if codecCtx.coded_frame.key_frame:
pkt.flags |= PKT_FLAG_KEY
avformat.av_interleaved_write_frame(formatCtx, pkt)