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Restreamer/tests/test_ffmpeg_runner.py
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Fix channel worker stalling when stopping ffmpeg with unread stdout
2026-10-09 08:38:12 +02:00

63 lines
2.0 KiB
Python

import asyncio
import pytest
from restreamer import ffmpeg_runner
from restreamer.constants import FFMPEG_TERMINATE_TIMEOUT_SECONDS
from restreamer.ffmpeg_runner import FfmpegStreamProcess, build_ffmpeg_args
from restreamer.resolver import ResolvedStream
def test_build_ffmpeg_args_single_input_without_headers() -> None:
stream = ResolvedStream(video_url="https://example.com/stream.m3u8")
args = build_ffmpeg_args(stream)
assert args[0] == "ffmpeg"
assert "-headers" not in args
assert args.count("-i") == 1
assert stream.video_url in args
assert args[-1] == "pipe:1"
def test_build_ffmpeg_args_includes_headers_when_present() -> None:
stream = ResolvedStream(
video_url="https://example.com/stream.m3u8",
http_headers={"User-Agent": "test-agent", "Cookie": "a=b"},
)
args = build_ffmpeg_args(stream)
assert "-headers" in args
header_value = args[args.index("-headers") + 1]
assert "User-Agent: test-agent\r\n" in header_value
assert "Cookie: a=b\r\n" in header_value
def test_build_ffmpeg_args_maps_separate_video_and_audio_inputs() -> None:
stream = ResolvedStream(
video_url="https://example.com/video.m3u8",
audio_url="https://example.com/audio.m3u8",
)
args = build_ffmpeg_args(stream)
assert args.count("-i") == 2
assert stream.video_url in args
assert stream.audio_url in args
assert "-map" in args
map_values = [args[i + 1] for i, a in enumerate(args) if a == "-map"]
assert map_values == ["0:v:0", "1:a:0"]
async def test_stop_returns_when_consumer_left_stdout_unread(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(ffmpeg_runner, "build_ffmpeg_args", lambda stream: ["yes"])
process = FfmpegStreamProcess(ResolvedStream(video_url="https://example.com/stream.m3u8"), "test")
await process.start()
async for _chunk in process.iter_chunks():
break
await asyncio.wait_for(process.stop(), timeout=FFMPEG_TERMINATE_TIMEOUT_SECONDS / 2)
assert await process.wait() != 0