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Remove byte-range addressed parts in stream (#55396)

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Add individually addressed parts
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uvjustin 2021-08-30 13:20:19 +08:00 committed by GitHub
parent 5549a925b8
commit 071fcee9a9
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6 changed files with 112 additions and 248 deletions
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67
homeassistant/components/stream/core.py
View File

@ -3,9 +3,8 @@ from __future__ import annotations
import asyncio import asyncio
from collections import deque from collections import deque
from collections.abc import Generator, Iterable from collections.abc import Iterable
import datetime import datetime
import itertools
from typing import TYPE_CHECKING from typing import TYPE_CHECKING
from aiohttp import web from aiohttp import web
@ -58,10 +57,7 @@ class Segment:
start_time: datetime.datetime = attr.ib() start_time: datetime.datetime = attr.ib()
_stream_outputs: Iterable[StreamOutput] = attr.ib() _stream_outputs: Iterable[StreamOutput] = attr.ib()
duration: float = attr.ib(default=0) duration: float = attr.ib(default=0)
# Parts are stored in a dict indexed by byterange for easy lookup parts: list[Part] = attr.ib(factory=list)
# As of Python 3.7, insertion order is preserved, and we insert
# in sequential order, so the Parts are ordered
parts_by_byterange: dict[int, Part] = attr.ib(factory=dict)
# Store text of this segment's hls playlist for reuse # Store text of this segment's hls playlist for reuse
# Use list[str] for easy appends # Use list[str] for easy appends
hls_playlist_template: list[str] = attr.ib(factory=list) hls_playlist_template: list[str] = attr.ib(factory=list)
@ -89,13 +85,7 @@ class Segment:
@property @property
def data_size(self) -> int: def data_size(self) -> int:
"""Return the size of all part data without init in bytes.""" """Return the size of all part data without init in bytes."""
# We can use the last part to quickly calculate the total data size. return sum(len(part.data) for part in self.parts)
if not self.parts_by_byterange:
return 0
last_http_range_start, last_part = next(
reversed(self.parts_by_byterange.items())
)
return last_http_range_start + len(last_part.data)
@callback @callback
def async_add_part( def async_add_part(
@ -107,36 +97,14 @@ class Segment:
Duration is non zero only for the last part. Duration is non zero only for the last part.
""" """
self.parts_by_byterange[self.data_size] = part self.parts.append(part)
self.duration = duration self.duration = duration
for output in self._stream_outputs: for output in self._stream_outputs:
output.part_put() output.part_put()
def get_data(self) -> bytes: def get_data(self) -> bytes:
"""Return reconstructed data for all parts as bytes, without init.""" """Return reconstructed data for all parts as bytes, without init."""
return b"".join([part.data for part in self.parts_by_byterange.values()]) return b"".join([part.data for part in self.parts])
def get_aggregating_bytes(
self, start_loc: int, end_loc: int | float
) -> Generator[bytes, None, None]:
"""Yield available remaining data until segment is complete or end_loc is reached.
Begin at start_loc. End at end_loc (exclusive).
Used to help serve a range request on a segment.
"""
pos = start_loc
while (part := self.parts_by_byterange.get(pos)) or not self.complete:
if not part:
yield b""
continue
pos += len(part.data)
# Check stopping condition and trim output if necessary
if pos >= end_loc:
assert isinstance(end_loc, int)
# Trimming is probably not necessary, but it doesn't hurt
yield part.data[: len(part.data) + end_loc - pos]
return
yield part.data
def _render_hls_template(self, last_stream_id: int, render_parts: bool) -> str: def _render_hls_template(self, last_stream_id: int, render_parts: bool) -> str:
"""Render the HLS playlist section for the Segment. """Render the HLS playlist section for the Segment.
@ -151,15 +119,12 @@ class Segment:
# This is a placeholder where the rendered parts will be inserted # This is a placeholder where the rendered parts will be inserted
self.hls_playlist_template.append("{}") self.hls_playlist_template.append("{}")
if render_parts: if render_parts:
for http_range_start, part in itertools.islice( for part_num, part in enumerate(
self.parts_by_byterange.items(), self.parts[self.hls_num_parts_rendered :], self.hls_num_parts_rendered
self.hls_num_parts_rendered,
None,
): ):
self.hls_playlist_parts.append( self.hls_playlist_parts.append(
f"#EXT-X-PART:DURATION={part.duration:.3f},URI=" f"#EXT-X-PART:DURATION={part.duration:.3f},URI="
f'"./segment/{self.sequence}.m4s",BYTERANGE="{len(part.data)}' f'"./segment/{self.sequence}.{part_num}.m4s"{",INDEPENDENT=YES" if part.has_keyframe else ""}'
f'@{http_range_start}"{",INDEPENDENT=YES" if part.has_keyframe else ""}'
) )
if self.complete: if self.complete:
# Construct the final playlist_template. The placeholder will share a line with # Construct the final playlist_template. The placeholder will share a line with
@ -187,7 +152,7 @@ class Segment:
self.hls_playlist_template = ["\n".join(self.hls_playlist_template)] self.hls_playlist_template = ["\n".join(self.hls_playlist_template)]
# lstrip discards extra preceding newline in case first render was empty # lstrip discards extra preceding newline in case first render was empty
self.hls_playlist_parts = ["\n".join(self.hls_playlist_parts).lstrip()] self.hls_playlist_parts = ["\n".join(self.hls_playlist_parts).lstrip()]
self.hls_num_parts_rendered = len(self.parts_by_byterange) self.hls_num_parts_rendered = len(self.parts)
self.hls_playlist_complete = self.complete self.hls_playlist_complete = self.complete
return self.hls_playlist_template[0] return self.hls_playlist_template[0]
@ -208,11 +173,13 @@ class Segment:
# pylint: disable=undefined-loop-variable # pylint: disable=undefined-loop-variable
if self.complete: # Next part belongs to next segment if self.complete: # Next part belongs to next segment
sequence = self.sequence + 1 sequence = self.sequence + 1
start = 0 part_num = 0
else: # Next part is in the same segment else: # Next part is in the same segment
sequence = self.sequence sequence = self.sequence
start = self.data_size part_num = len(self.parts)
hint = f'#EXT-X-PRELOAD-HINT:TYPE=PART,URI="./segment/{sequence}.m4s",BYTERANGE-START={start}' hint = (
f'#EXT-X-PRELOAD-HINT:TYPE=PART,URI="./segment/{sequence}.{part_num}.m4s"'
)
return (playlist + "\n" + hint) if playlist else hint return (playlist + "\n" + hint) if playlist else hint
@ -367,7 +334,7 @@ class StreamView(HomeAssistantView):
platform = None platform = None
async def get( async def get(
self, request: web.Request, token: str, sequence: str = "" self, request: web.Request, token: str, sequence: str = "", part_num: str = ""
) -> web.StreamResponse: ) -> web.StreamResponse:
"""Start a GET request.""" """Start a GET request."""
hass = request.app["hass"] hass = request.app["hass"]
@ -383,10 +350,10 @@ class StreamView(HomeAssistantView):
# Start worker if not already started # Start worker if not already started
stream.start() stream.start()
return await self.handle(request, stream, sequence) return await self.handle(request, stream, sequence, part_num)
async def handle( async def handle(
self, request: web.Request, stream: Stream, sequence: str self, request: web.Request, stream: Stream, sequence: str, part_num: str
) -> web.StreamResponse: ) -> web.StreamResponse:
"""Handle the stream request.""" """Handle the stream request."""
raise NotImplementedError() raise NotImplementedError()

140
homeassistant/components/stream/hls.py
View File

@ -34,6 +34,7 @@ def async_setup_hls(hass: HomeAssistant) -> str:
hass.http.register_view(HlsSegmentView()) hass.http.register_view(HlsSegmentView())
hass.http.register_view(HlsInitView()) hass.http.register_view(HlsInitView())
hass.http.register_view(HlsMasterPlaylistView()) hass.http.register_view(HlsMasterPlaylistView())
hass.http.register_view(HlsPartView())
return "/api/hls/{}/master_playlist.m3u8" return "/api/hls/{}/master_playlist.m3u8"
@ -94,7 +95,7 @@ class HlsMasterPlaylistView(StreamView):
return "\n".join(lines) + "\n" return "\n".join(lines) + "\n"
async def handle( async def handle(
self, request: web.Request, stream: Stream, sequence: str self, request: web.Request, stream: Stream, sequence: str, part_num: str
) -> web.Response: ) -> web.Response:
"""Return m3u8 playlist.""" """Return m3u8 playlist."""
track = stream.add_provider(HLS_PROVIDER) track = stream.add_provider(HLS_PROVIDER)
@ -220,7 +221,7 @@ class HlsPlaylistView(StreamView):
) )
async def handle( async def handle(
self, request: web.Request, stream: Stream, sequence: str self, request: web.Request, stream: Stream, sequence: str, part_num: str
) -> web.Response: ) -> web.Response:
"""Return m3u8 playlist.""" """Return m3u8 playlist."""
track: HlsStreamOutput = cast( track: HlsStreamOutput = cast(
@ -263,7 +264,7 @@ class HlsPlaylistView(StreamView):
(last_segment := track.last_segment) (last_segment := track.last_segment)
and hls_msn == last_segment.sequence and hls_msn == last_segment.sequence
and hls_part and hls_part
>= len(last_segment.parts_by_byterange) >= len(last_segment.parts)
- 1 - 1
+ track.stream_settings.hls_advance_part_limit + track.stream_settings.hls_advance_part_limit
): ):
@ -273,7 +274,7 @@ class HlsPlaylistView(StreamView):
while ( while (
(last_segment := track.last_segment) (last_segment := track.last_segment)
and hls_msn == last_segment.sequence and hls_msn == last_segment.sequence
and hls_part >= len(last_segment.parts_by_byterange) and hls_part >= len(last_segment.parts)
): ):
if not await track.part_recv( if not await track.part_recv(
timeout=track.stream_settings.hls_part_timeout timeout=track.stream_settings.hls_part_timeout
@ -287,8 +288,8 @@ class HlsPlaylistView(StreamView):
# request as one for Part Index 0 of the following Parent Segment. # request as one for Part Index 0 of the following Parent Segment.
if hls_msn + 1 == last_segment.sequence: if hls_msn + 1 == last_segment.sequence:
if not (previous_segment := track.get_segment(hls_msn)) or ( if not (previous_segment := track.get_segment(hls_msn)) or (
hls_part >= len(previous_segment.parts_by_byterange) hls_part >= len(previous_segment.parts)
and not last_segment.parts_by_byterange and not last_segment.parts
and not await track.part_recv( and not await track.part_recv(
timeout=track.stream_settings.hls_part_timeout timeout=track.stream_settings.hls_part_timeout
) )
@ -314,7 +315,7 @@ class HlsInitView(StreamView):
cors_allowed = True cors_allowed = True
async def handle( async def handle(
self, request: web.Request, stream: Stream, sequence: str self, request: web.Request, stream: Stream, sequence: str, part_num: str
) -> web.Response: ) -> web.Response:
"""Return init.mp4.""" """Return init.mp4."""
track = stream.add_provider(HLS_PROVIDER) track = stream.add_provider(HLS_PROVIDER)
@ -326,21 +327,17 @@ class HlsInitView(StreamView):
) )
class HlsSegmentView(StreamView): class HlsPartView(StreamView):
"""Stream view to serve a HLS fmp4 segment.""" """Stream view to serve a HLS fmp4 segment."""
url = r"/api/hls/{token:[a-f0-9]+}/segment/{sequence:\d+}.m4s" url = r"/api/hls/{token:[a-f0-9]+}/segment/{sequence:\d+}.{part_num:\d+}.m4s"
name = "api:stream:hls:segment" name = "api:stream:hls:part"
cors_allowed = True cors_allowed = True
async def handle( async def handle(
self, request: web.Request, stream: Stream, sequence: str self, request: web.Request, stream: Stream, sequence: str, part_num: str
) -> web.StreamResponse: ) -> web.Response:
"""Handle segments, part segments, and hinted segments. """Handle part."""
For part and hinted segments, the start of the requested range must align
with a part boundary.
"""
track: HlsStreamOutput = cast( track: HlsStreamOutput = cast(
HlsStreamOutput, stream.add_provider(HLS_PROVIDER) HlsStreamOutput, stream.add_provider(HLS_PROVIDER)
) )
@ -360,77 +357,58 @@ class HlsSegmentView(StreamView):
status=404, status=404,
headers={"Cache-Control": f"max-age={track.target_duration:.0f}"}, headers={"Cache-Control": f"max-age={track.target_duration:.0f}"},
) )
# If the segment is ready or has been hinted, the http_range start should be at most # If the part is ready or has been hinted,
# equal to the end of the currently available data. if int(part_num) == len(segment.parts):
# If the segment is complete, the http_range start should be less than the end of the await track.part_recv(timeout=track.stream_settings.hls_part_timeout)
# currently available data. if int(part_num) >= len(segment.parts):
# If these conditions aren't met then we return a 416.
# http_range_start can be None, so use a copy that uses 0 instead of None
if (http_start := request.http_range.start or 0) > segment.data_size or (
segment.complete and http_start >= segment.data_size
):
return web.HTTPRequestRangeNotSatisfiable( return web.HTTPRequestRangeNotSatisfiable(
headers={ headers={
"Cache-Control": f"max-age={track.target_duration:.0f}", "Cache-Control": f"max-age={track.target_duration:.0f}",
"Content-Range": f"bytes */{segment.data_size}",
} }
) )
headers = { return web.Response(
body=segment.parts[int(part_num)].data,
headers={
"Content-Type": "video/iso.segment", "Content-Type": "video/iso.segment",
"Cache-Control": f"max-age={6*track.target_duration:.0f}", "Cache-Control": f"max-age={6*track.target_duration:.0f}",
} },
# For most cases we have a 206 partial content response. )
status = 206
# For the 206 responses we need to set a Content-Range header
# See https://datatracker.ietf.org/doc/html/rfc8673#section-2 class HlsSegmentView(StreamView):
if request.http_range.stop is None: """Stream view to serve a HLS fmp4 segment."""
if request.http_range.start is None:
status = 200 url = r"/api/hls/{token:[a-f0-9]+}/segment/{sequence:\d+}.m4s"
if segment.complete: name = "api:stream:hls:segment"
# This is a request for a full segment which is already complete cors_allowed = True
# We should return a standard 200 response.
async def handle(
self, request: web.Request, stream: Stream, sequence: str, part_num: str
) -> web.StreamResponse:
"""Handle segments."""
track: HlsStreamOutput = cast(
HlsStreamOutput, stream.add_provider(HLS_PROVIDER)
)
track.idle_timer.awake()
# Ensure that we have a segment. If the request is from a hint for part 0
# of a segment, there is a small chance it may have arrived before the
# segment has been put. If this happens, wait for one part and retry.
if not (
(segment := track.get_segment(int(sequence)))
or (
await track.part_recv(timeout=track.stream_settings.hls_part_timeout)
and (segment := track.get_segment(int(sequence)))
)
):
return web.Response( return web.Response(
body=segment.get_data(), headers=headers, status=status body=None,
status=404,
headers={"Cache-Control": f"max-age={track.target_duration:.0f}"},
) )
# Otherwise we still return a 200 response, but it is aggregating return web.Response(
http_stop = float("inf") body=segment.get_data(),
else: headers={
# See https://datatracker.ietf.org/doc/html/rfc7233#section-2.1 "Content-Type": "video/iso.segment",
headers[ "Cache-Control": f"max-age={6*track.target_duration:.0f}",
"Content-Range" },
] = f"bytes {http_start}-{(http_stop:=segment.data_size)-1}/*"
else: # The remaining cases are all 206 responses
if segment.complete:
# If the segment is complete we have total size
headers["Content-Range"] = (
f"bytes {http_start}-"
+ str(
(http_stop := min(request.http_range.stop, segment.data_size))
- 1
) )
+ f"/{segment.data_size}"
)
else:
# If we don't have the total size we use a *
headers[
"Content-Range"
] = f"bytes {http_start}-{(http_stop:=request.http_range.stop)-1}/*"
# Set up streaming response that we can write to as data becomes available
response = web.StreamResponse(headers=headers, status=status)
# Waiting until we write to prepare *might* give clients more accurate TTFB
# and ABR measurements, but it is probably not very useful for us since we
# only have one rendition anyway. Just prepare here for now.
await response.prepare(request)
try:
for bytes_to_write in segment.get_aggregating_bytes(
start_loc=http_start, end_loc=http_stop
):
if bytes_to_write:
await response.write(bytes_to_write)
elif not await track.part_recv(
timeout=track.stream_settings.hls_part_timeout
):
break
except ConnectionResetError:
_LOGGER.warning("Connection reset while serving HLS partial segment")
return response

6
tests/components/stream/test_hls.py
View File

@ -345,13 +345,13 @@ async def test_hls_max_segments(hass, hls_stream, stream_worker_sync):
# Fetch the actual segments with a fake byte payload # Fetch the actual segments with a fake byte payload
for segment in hls.get_segments(): for segment in hls.get_segments():
segment.init = INIT_BYTES segment.init = INIT_BYTES
segment.parts_by_byterange = { segment.parts = [
0: Part( Part(
duration=SEGMENT_DURATION, duration=SEGMENT_DURATION,
has_keyframe=True, has_keyframe=True,
data=FAKE_PAYLOAD, data=FAKE_PAYLOAD,
) )
} ]
# The segment that fell off the buffer is not accessible # The segment that fell off the buffer is not accessible
with patch.object(hls.stream_settings, "hls_part_timeout", 0.1): with patch.object(hls.stream_settings, "hls_part_timeout", 0.1):

125
tests/components/stream/test_ll_hls.py
View File

@ -59,9 +59,7 @@ def create_segment(sequence):
def complete_segment(segment): def complete_segment(segment):
"""Completes a segment by setting its duration.""" """Completes a segment by setting its duration."""
segment.duration = sum( segment.duration = sum(part.duration for part in segment.parts)
part.duration for part in segment.parts_by_byterange.values()
)
def create_parts(source): def create_parts(source):
@ -90,9 +88,8 @@ def make_segment_with_parts(
"""Create a playlist response for a segment including part segments.""" """Create a playlist response for a segment including part segments."""
response = [] response = []
for i in range(num_parts): for i in range(num_parts):
length, start = http_range_from_part(i)
response.append( response.append(
f'#EXT-X-PART:DURATION={TEST_PART_DURATION:.3f},URI="./segment/{segment}.m4s",BYTERANGE="{length}@{start}"{",INDEPENDENT=YES" if i%independent_period==0 else ""}' f'#EXT-X-PART:DURATION={TEST_PART_DURATION:.3f},URI="./segment/{segment}.{i}.m4s"{",INDEPENDENT=YES" if i%independent_period==0 else ""}'
) )
if discontinuity: if discontinuity:
response.append("#EXT-X-DISCONTINUITY") response.append("#EXT-X-DISCONTINUITY")
@ -110,8 +107,7 @@ def make_segment_with_parts(
def make_hint(segment, part): def make_hint(segment, part):
"""Create a playlist response for the preload hint.""" """Create a playlist response for the preload hint."""
_, start = http_range_from_part(part) return f'#EXT-X-PRELOAD-HINT:TYPE=PART,URI="./segment/{segment}.{part}.m4s"'
return f'#EXT-X-PRELOAD-HINT:TYPE=PART,URI="./segment/{segment}.m4s",BYTERANGE-START={start}'
async def test_ll_hls_stream(hass, hls_stream, stream_worker_sync): async def test_ll_hls_stream(hass, hls_stream, stream_worker_sync):
@ -252,9 +248,7 @@ async def test_ll_hls_playlist_view(hass, hls_stream, stream_worker_sync):
assert await resp.text() == make_playlist( assert await resp.text() == make_playlist(
sequence=0, sequence=0,
segments=[ segments=[
make_segment_with_parts( make_segment_with_parts(i, len(segment.parts), PART_INDEPENDENT_PERIOD)
i, len(segment.parts_by_byterange), PART_INDEPENDENT_PERIOD
)
for i in range(2) for i in range(2)
], ],
hint=make_hint(2, 0), hint=make_hint(2, 0),
@ -275,9 +269,7 @@ async def test_ll_hls_playlist_view(hass, hls_stream, stream_worker_sync):
assert await resp.text() == make_playlist( assert await resp.text() == make_playlist(
sequence=0, sequence=0,
segments=[ segments=[
make_segment_with_parts( make_segment_with_parts(i, len(segment.parts), PART_INDEPENDENT_PERIOD)
i, len(segment.parts_by_byterange), PART_INDEPENDENT_PERIOD
)
for i in range(3) for i in range(3)
], ],
hint=make_hint(3, 0), hint=make_hint(3, 0),
@ -459,13 +451,13 @@ async def test_ll_hls_playlist_rollover_part(
*( *(
[ [
hls_client.get( hls_client.get(
f"/playlist.m3u8?_HLS_msn=1&_HLS_part={len(segment.parts_by_byterange)-1}" f"/playlist.m3u8?_HLS_msn=1&_HLS_part={len(segment.parts)-1}"
), ),
hls_client.get( hls_client.get(
f"/playlist.m3u8?_HLS_msn=1&_HLS_part={len(segment.parts_by_byterange)}" f"/playlist.m3u8?_HLS_msn=1&_HLS_part={len(segment.parts)}"
), ),
hls_client.get( hls_client.get(
f"/playlist.m3u8?_HLS_msn=1&_HLS_part={len(segment.parts_by_byterange)+1}" f"/playlist.m3u8?_HLS_msn=1&_HLS_part={len(segment.parts)+1}"
), ),
hls_client.get("/playlist.m3u8?_HLS_msn=2&_HLS_part=0"), hls_client.get("/playlist.m3u8?_HLS_msn=2&_HLS_part=0"),
] ]
@ -600,85 +592,32 @@ async def test_get_part_segments(hass, hls_stream, stream_worker_sync, hls_sync)
segment.async_add_part(remaining_parts.pop(0), 0) segment.async_add_part(remaining_parts.pop(0), 0)
# Make requests for all the existing part segments # Make requests for all the existing part segments
# These should succeed with a status of 206 # These should succeed
requests = asyncio.gather( requests = asyncio.gather(
*( *(
hls_client.get( hls_client.get(f"/segment/1.{part}.m4s")
"/segment/1.m4s",
headers={
"Range": f"bytes={http_range_from_part(part)[1]}-"
+ str(
http_range_from_part(part)[0]
+ http_range_from_part(part)[1]
- 1
)
},
)
for part in range(num_completed_parts) for part in range(num_completed_parts)
) )
) )
responses = await requests responses = await requests
assert all(response.status == 206 for response in responses) assert all(response.status == 200 for response in responses)
assert all( assert all(
responses[part].headers["Content-Range"] [
== f"bytes {http_range_from_part(part)[1]}-" await responses[i].read() == segment.parts[i].data
+ str(http_range_from_part(part)[0] + http_range_from_part(part)[1] - 1) for i in range(len(responses))
+ "/*" ]
for part in range(num_completed_parts)
) )
parts = list(segment.parts_by_byterange.values())
assert all(
[await responses[i].read() == parts[i].data for i in range(len(responses))]
)
# Make some non standard range requests.
# Request past end of previous closed segment
# Request should succeed but length will be limited to the segment length
response = await hls_client.get(
"/segment/0.m4s",
headers={"Range": f"bytes=0-{hls.get_segment(0).data_size+1}"},
)
assert response.status == 206
assert (
response.headers["Content-Range"]
== f"bytes 0-{hls.get_segment(0).data_size-1}/{hls.get_segment(0).data_size}"
)
assert (await response.read()) == hls.get_segment(0).get_data()
# Request with start range past end of current segment
# Since this is beyond the data we have (the largest starting position will be
# from a hinted request, and even that will have a starting position at
# segment.data_size), we expect a 416.
response = await hls_client.get(
"/segment/1.m4s",
headers={"Range": f"bytes={segment.data_size+1}-{VERY_LARGE_LAST_BYTE_POS}"},
)
assert response.status == 416
# Request for next segment which has not yet been hinted (we will only hint # Request for next segment which has not yet been hinted (we will only hint
# for this segment after segment 1 is complete). # for this segment after segment 1 is complete).
# This should fail, but it will hold for one more part_put before failing. # This should fail, but it will hold for one more part_put before failing.
hls_sync.reset_request_pool(1) hls_sync.reset_request_pool(1)
request = asyncio.create_task( request = asyncio.create_task(hls_client.get("/segment/2.0.m4s"))
hls_client.get(
"/segment/2.m4s", headers={"Range": f"bytes=0-{VERY_LARGE_LAST_BYTE_POS}"}
)
)
await hls_sync.wait_for_handler() await hls_sync.wait_for_handler()
hls.part_put() hls.part_put()
response = await request response = await request
assert response.status == 404 assert response.status == 404
# Make valid request for the current hint. This should succeed, but since
# it is open ended, it won't finish until the segment is complete.
hls_sync.reset_request_pool(1)
request_start = segment.data_size
request = asyncio.create_task(
hls_client.get(
"/segment/1.m4s",
headers={"Range": f"bytes={request_start}-{VERY_LARGE_LAST_BYTE_POS}"},
)
)
# Put the remaining parts and complete the segment # Put the remaining parts and complete the segment
while remaining_parts: while remaining_parts:
await hls_sync.wait_for_handler() await hls_sync.wait_for_handler()
@ -686,26 +625,11 @@ async def test_get_part_segments(hass, hls_stream, stream_worker_sync, hls_sync)
segment.async_add_part(remaining_parts.pop(0), 0) segment.async_add_part(remaining_parts.pop(0), 0)
hls.part_put() hls.part_put()
complete_segment(segment) complete_segment(segment)
# Check the response
response = await request
assert response.status == 206
assert (
response.headers["Content-Range"]
== f"bytes {request_start}-{VERY_LARGE_LAST_BYTE_POS}/*"
)
assert await response.read() == SEQUENCE_BYTES[request_start:]
# Now the hint should have moved to segment 2 # Now the hint should have moved to segment 2
# The request for segment 2 which failed before should work now # The request for segment 2 which failed before should work now
# Also make an equivalent request with no Range parameters that hls_sync.reset_request_pool(1)
# will return the same content but with different headers request = asyncio.create_task(hls_client.get("/segment/2.0.m4s"))
hls_sync.reset_request_pool(2)
requests = asyncio.gather(
hls_client.get(
"/segment/2.m4s", headers={"Range": f"bytes=0-{VERY_LARGE_LAST_BYTE_POS}"}
),
hls_client.get("/segment/2.m4s"),
)
# Put an entire segment and its parts. # Put an entire segment and its parts.
segment = create_segment(sequence=2) segment = create_segment(sequence=2)
hls.put(segment) hls.put(segment)
@ -716,16 +640,11 @@ async def test_get_part_segments(hass, hls_stream, stream_worker_sync, hls_sync)
hls.part_put() hls.part_put()
complete_segment(segment) complete_segment(segment)
# Check the response # Check the response
responses = await requests response = await request
assert responses[0].status == 206 assert response.status == 200
assert ( assert (
responses[0].headers["Content-Range"] == f"bytes 0-{VERY_LARGE_LAST_BYTE_POS}/*" await response.read()
) == ALT_SEQUENCE_BYTES[: len(hls.get_segment(2).parts[0].data)]
assert responses[1].status == 200
assert "Content-Range" not in responses[1].headers
assert (
await response.read() == ALT_SEQUENCE_BYTES[: hls.get_segment(2).data_size]
for response in responses
) )
stream_worker_sync.resume() stream_worker_sync.resume()

6
tests/components/stream/test_recorder.py
View File

@ -126,14 +126,14 @@ def add_parts_to_segment(segment, source):
"""Add relevant part data to segment for testing recorder.""" """Add relevant part data to segment for testing recorder."""
moof_locs = list(find_box(source.getbuffer(), b"moof")) + [len(source.getbuffer())] moof_locs = list(find_box(source.getbuffer(), b"moof")) + [len(source.getbuffer())]
segment.init = source.getbuffer()[: moof_locs[0]].tobytes() segment.init = source.getbuffer()[: moof_locs[0]].tobytes()
segment.parts_by_byterange = { segment.parts = [
moof_locs[i]: Part( Part(
duration=None, duration=None,
has_keyframe=None, has_keyframe=None,
data=source.getbuffer()[moof_locs[i] : moof_locs[i + 1]], data=source.getbuffer()[moof_locs[i] : moof_locs[i + 1]],
) )
for i in range(len(moof_locs) - 1) for i in range(len(moof_locs) - 1)
} ]
async def test_recorder_save(tmpdir): async def test_recorder_save(tmpdir):

6
tests/components/stream/test_worker.py
View File

@ -699,7 +699,7 @@ async def test_durations(hass, record_worker_sync):
# check that the Part duration metadata matches the durations in the media # check that the Part duration metadata matches the durations in the media
running_metadata_duration = 0 running_metadata_duration = 0
for segment in complete_segments: for segment in complete_segments:
for part in segment.parts_by_byterange.values(): for part in segment.parts:
av_part = av.open(io.BytesIO(segment.init + part.data)) av_part = av.open(io.BytesIO(segment.init + part.data))
running_metadata_duration += part.duration running_metadata_duration += part.duration
# av_part.duration will just return the largest dts in av_part. # av_part.duration will just return the largest dts in av_part.
@ -713,7 +713,7 @@ async def test_durations(hass, record_worker_sync):
# check that the Part durations are consistent with the Segment durations # check that the Part durations are consistent with the Segment durations
for segment in complete_segments: for segment in complete_segments:
assert math.isclose( assert math.isclose(
sum(part.duration for part in segment.parts_by_byterange.values()), sum(part.duration for part in segment.parts),
segment.duration, segment.duration,
abs_tol=1e-6, abs_tol=1e-6,
) )
@ -751,7 +751,7 @@ async def test_has_keyframe(hass, record_worker_sync):
# check that the Part has_keyframe metadata matches the keyframes in the media # check that the Part has_keyframe metadata matches the keyframes in the media
for segment in complete_segments: for segment in complete_segments:
for part in segment.parts_by_byterange.values(): for part in segment.parts:
av_part = av.open(io.BytesIO(segment.init + part.data)) av_part = av.open(io.BytesIO(segment.init + part.data))
media_has_keyframe = any( media_has_keyframe = any(
packet.is_keyframe for packet in av_part.demux(av_part.streams.video[0]) packet.is_keyframe for packet in av_part.demux(av_part.streams.video[0])