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send i-frame first

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This commit is contained in:
Devaev Maxim 2021-03-06 00:47:12 +03:00
parent d95367e0b4
commit c54c1daebd
1 changed files with 14 additions and 3 deletions
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17
kvmd/apps/vnc/server.py
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@ -247,10 +247,11 @@ class _Client(RfbClient): # pylint: disable=too-many-instance-attributes
} }
async def __fb_sender_task_loop(self) -> None: async def __fb_sender_task_loop(self) -> None:
has_h264_key = False
last: Optional[Dict] = None
while True: while True:
await self.__fb_notifier.wait() await self.__fb_notifier.wait()
last: Optional[Dict] = None
while True: while True:
frame = await self.__fb_queue.get() frame = await self.__fb_queue.get()
if ( if (
@ -264,6 +265,7 @@ class _Client(RfbClient): # pylint: disable=too-many-instance-attributes
or len(last["data"]) + len(frame["data"]) > 4194304 or len(last["data"]) + len(frame["data"]) > 4194304
)) ))
): ):
has_h264_key = (frame["format"] == StreamFormats.H264 and frame["key"])
last = dict(frame) last = dict(frame)
if self.__fb_queue.qsize() == 0: if self.__fb_queue.qsize() == 0:
break break
@ -283,17 +285,26 @@ class _Client(RfbClient): # pylint: disable=too-many-instance-attributes
f" -> {last['width']}x{last['height']}\nPlease reconnect" f" -> {last['width']}x{last['height']}\nPlease reconnect"
) )
await self._send_fb_jpeg((await self.__make_text_frame(msg))["data"]) await self._send_fb_jpeg((await self.__make_text_frame(msg))["data"])
return continue
await self._send_resize(last["width"], last["height"]) await self._send_resize(last["width"], last["height"])
if len(last["data"]) == 0:
# Вдруг какой-то баг
await self.__fb_notifier.notify()
continue
if last["format"] == StreamFormats.JPEG: if last["format"] == StreamFormats.JPEG:
await self._send_fb_jpeg(last["data"]) await self._send_fb_jpeg(last["data"])
elif last["format"] == StreamFormats.H264: elif last["format"] == StreamFormats.H264:
if not self._encodings.has_h264: if not self._encodings.has_h264:
raise RfbError("The client doesn't want to accept H264 anymore") raise RfbError("The client doesn't want to accept H264 anymore")
await self._send_fb_h264(last["data"]) if has_h264_key:
await self._send_fb_h264(last["data"])
else:
await self.__fb_notifier.notify()
else: else:
raise RuntimeError(f"Unknown format: {last['format']}") raise RuntimeError(f"Unknown format: {last['format']}")
last["data"] = b""
# ===== # =====