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Add get_image method to Stream (#61918)

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* Add get_image method to Stream

* Add KeyFrameConverter class
This commit is contained in:
uvjustin 2021-12-23 00:24:53 +08:00 • committed by GitHub
parent eda9291ca1
commit 6e13605cad
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 153 additions and 6 deletions
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9
homeassistant/components/stream/worker.py
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@ -14,7 +14,7 @@ import av
from homeassistant.core import HomeAssistant
from . import redact_credentials
from . import KeyFrameConverter, redact_credentials
from .const import (
ATTR_SETTINGS,
AUDIO_CODECS,
@ -439,6 +439,7 @@ def stream_worker(
source: str,
options: dict[str, str],
stream_state: StreamState,
keyframe_converter: KeyFrameConverter,
quit_event: Event,
) -> None:
"""Handle consuming streams."""
@ -453,6 +454,7 @@ def stream_worker(
video_stream = container.streams.video[0]
except (KeyError, IndexError) as ex:
raise StreamWorkerError("Stream has no video") from ex
keyframe_converter.create_codec_context(codec_context=video_stream.codec_context)
try:
audio_stream = container.streams.audio[0]
except (KeyError, IndexError):
@ -474,7 +476,7 @@ def stream_worker(
def is_video(packet: av.Packet) -> Any:
"""Return true if the packet is for the video stream."""
return packet.stream == video_stream
return packet.stream.type == "video"
# Have to work around two problems with RTSP feeds in ffmpeg
# 1 - first frame has bad pts/dts https://trac.ffmpeg.org/ticket/5018
@ -535,3 +537,6 @@ def stream_worker(
raise StreamWorkerError("Error demuxing stream: %s" % str(ex)) from ex
muxer.mux_packet(packet)
if packet.is_keyframe and is_video(packet):
keyframe_converter.packet = packet