mirror of
https://github.com/facefusion/facefusion.git
synced 2026-06-06 20:53:54 +02:00
harisreedhar
429 lines
16 KiB
Python
429 lines
16 KiB
Python
import asyncio
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import ctypes
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import struct
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import threading
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import time
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from collections import deque
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from unittest.mock import AsyncMock, MagicMock, patch
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import cv2
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import numpy
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import pytest
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from facefusion import rtc, rtc_store, state_manager
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from facefusion.apis.stream_helper import create_video_decoder, create_video_encoder, decode_video_frame, destroy_stream, destroy_video_decoder, destroy_video_encoder, encode_video_frame, process_image, process_video, receive_audio_frames, receive_video_frames, receive_vision_frames, run_encode_loop, run_peer_loop, update_video_encoder_bitrate
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from facefusion.codecs import aom_encoder, vpx_encoder
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from facefusion.common_helper import is_linux, is_macos, is_windows
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from facefusion.download import conditional_download
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from facefusion.hash_helper import create_hash
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from facefusion.libraries import aom as aom_module, datachannel as datachannel_module, opus as opus_module, vpx as vpx_module
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from facefusion.types import AudioPack, RtcPeer, VideoCodec, VideoPack
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from facefusion.vision import read_video_frame
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from .assert_helper import get_test_example_file, get_test_examples_directory
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@pytest.fixture(scope = 'module', autouse = True)
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def before_all() -> None:
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state_manager.init_item('download_providers', [ 'github', 'huggingface' ])
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state_manager.init_item('processors', [])
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aom_module.pre_check()
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vpx_module.pre_check()
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opus_module.pre_check()
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datachannel_module.pre_check()
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conditional_download(get_test_examples_directory(),
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[
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'https://github.com/facefusion/facefusion-assets/releases/download/examples-3.0.0/target-240p.mp4',
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'https://github.com/facefusion/facefusion-assets/releases/download/examples-3.0.0/source.jpg'
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])
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@pytest.fixture(scope = 'function', autouse = True)
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def before_each() -> None:
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rtc_store.clear()
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@pytest.mark.anyio
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async def test_process_image() -> None:
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vision_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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frame_buffer = cv2.imencode('.jpg', vision_frame)[1].tobytes()
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websocket_mock = AsyncMock()
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websocket_mock.receive.side_effect =\
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[
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{
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'type': 'websocket.receive',
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'bytes': frame_buffer
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}
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]
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state_manager.init_item('source_paths', [ get_test_example_file('source.jpg') ])
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await process_image(websocket_mock)
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websocket_mock.send_bytes.assert_called_once()
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assert websocket_mock.send_bytes.call_args[0][0][:3] == bytes([ 255, 216, 255 ])
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state_manager.init_item('source_paths', None)
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await process_image(websocket_mock)
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websocket_mock.send_bytes.assert_called_once()
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@pytest.mark.parametrize('video_codec, session_id', [ ('av1', 'test-process-video-av1'), ('vp8', 'test-process-video-vp8') ])
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def test_process_video(video_codec : VideoCodec, session_id : str) -> None:
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peer_connection = rtc.create_peer_connection()
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if video_codec == 'av1':
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rtc.add_video_track(peer_connection, 'sendrecv', video_codec, 35)
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if video_codec == 'vp8':
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rtc.add_video_track(peer_connection, 'sendrecv', video_codec, 96)
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rtc.add_audio_track(peer_connection, 'sendrecv', 'opus', 111)
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sdp_offer = rtc.create_sdp_offer(peer_connection)
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datachannel_module.create_static_library().rtcDeletePeerConnection(peer_connection)
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with patch('facefusion.apis.stream_helper.threading.Thread'):
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sdp_answer = process_video(session_id, sdp_offer)
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assert sdp_answer
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assert 'm=video' in sdp_answer
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assert 'a=recvonly' in sdp_answer
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assert 'a=sendonly' in sdp_answer
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for peer in rtc_store.get_peers(session_id):
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sender_bitrate = peer.get('sender_bitrate')
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receiver_bitrate = peer.get('receiver_bitrate')
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assert sender_bitrate.value == 0
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assert receiver_bitrate.value == 0
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rtc.handle_remb(0, 8000000, ctypes.addressof(sender_bitrate))
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assert sender_bitrate.value == 8000
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rtc.handle_remb(0, 4000000, ctypes.addressof(receiver_bitrate))
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assert receiver_bitrate.value == 4000
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@pytest.mark.anyio
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async def test_receive_vision_frames() -> None:
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vision_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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frame_buffer = cv2.imencode('.jpg', vision_frame)[1].tobytes()
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websocket_mock = AsyncMock()
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websocket_mock.receive.side_effect =\
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[
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{
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'type': 'websocket.receive',
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'bytes': frame_buffer
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},
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{
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'type': 'websocket.receive',
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'bytes': 'invalid'.encode()
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},
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{
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'type': 'websocket.receive',
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'bytes': frame_buffer
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},
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{
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'type': 'websocket.disconnect'
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}
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]
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frames = []
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async for frame in receive_vision_frames(websocket_mock):
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frames.append(frame)
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assert len(frames) == 2
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assert frames[0].shape == vision_frame.shape
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@pytest.mark.parametrize('video_codec, payload_type', [ ('av1', 35), ('vp8', 96) ])
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def test_run_peer_loop(video_codec : VideoCodec, payload_type : int) -> None:
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peer_connection = rtc.create_peer_connection()
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video_sender_track = rtc.add_video_track(peer_connection, 'sendonly', video_codec, payload_type)
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video_receiver_track = rtc.add_video_track(peer_connection, 'recvonly', video_codec, payload_type)
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rtc_peer : RtcPeer =\
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{
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'peer_connection': peer_connection,
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'video':
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{
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'sender_track': video_sender_track,
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'receiver_track': video_receiver_track,
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'codec': video_codec
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},
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'sender_bitrate': ctypes.c_uint(0),
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'receiver_bitrate': ctypes.c_uint(0)
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}
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# TODO: avoid concatenation — session_id should be a parametrize parameter like video_codec
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session_id = 'test-run-peer-loop-' + video_codec
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rtc_store.init_peers(session_id)
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rtc_store.get_peers(session_id).append(rtc_peer)
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# TODO: reduce patches — receiving video_frames is mocked to avoid blocking but that removes meaningful test coverage
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with patch('facefusion.apis.stream_helper.receive_video_frames'):
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with patch('facefusion.apis.stream_helper.run_encode_loop') as mock_encode_loop:
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thread = threading.Thread(target = asyncio.run, args = (run_peer_loop(session_id, rtc_peer),), daemon = True)
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thread.start()
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thread.join(timeout = 5.0)
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assert mock_encode_loop.called
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# TODO: test against full call args not just [0][1] — assert mock_encode_loop.call_args matches rtc_peer and video_codec
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assert mock_encode_loop.call_args[0][1] == video_codec
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# TODO: assert rtc_store.has_peers(session_id) is True before the action, then False after
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assert rtc_store.has_peers(session_id) is False
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@pytest.mark.parametrize('video_codec, payload_type', [ ('av1', 35), ('vp8', 96) ])
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def test_run_encode_loop(video_codec : VideoCodec, payload_type : int) -> None:
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source_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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peer_connection = rtc.create_peer_connection()
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video_sender_track = rtc.add_video_track(peer_connection, 'sendonly', video_codec, payload_type)
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video_receiver_track = rtc.add_video_track(peer_connection, 'recvonly', video_codec, payload_type)
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rtc_peer : RtcPeer =\
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{
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'peer_connection': peer_connection,
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'video':
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{
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'sender_track': video_sender_track,
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'receiver_track': video_receiver_track,
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'codec': video_codec
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},
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'sender_bitrate': ctypes.c_uint(0),
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'receiver_bitrate': ctypes.c_uint(0)
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}
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video_deque : deque[VideoPack] = deque()
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audio_deque : deque[AudioPack] = deque()
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video_event = threading.Event()
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video_deque.append((source_frame, 0.100))
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video_event.set()
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with patch('facefusion.apis.stream_helper.rtc.send_video') as mock_send_video:
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# TODO: thread name is unclear — rename to encode_loop_thread to identify what it runs
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# TODO: thread block fires without flow testing — nobody triggers the deque/event naturally; the test pre-populates state rather than simulating real receive behaviour
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thread = threading.Thread(target = run_encode_loop, args = (rtc_peer, video_codec, video_deque, audio_deque, video_event), daemon = True)
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thread.start()
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time.sleep(0.1)
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# TODO: extract numpy.empty(0) into an empty_vision_frame variable so the sentinel intent is clear
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video_deque.append((numpy.empty(0), 0.0))
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video_event.set()
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thread.join(timeout = 5.0)
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assert mock_send_video.called
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assert len(mock_send_video.call_args[0][1]) > 0
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@pytest.mark.parametrize('video_codec, payload_type', [ ('av1', 35), ('vp8', 96) ])
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def test_run_peer_loop_send_order(video_codec : VideoCodec, payload_type : int) -> None:
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source_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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audio_frame = numpy.zeros(960 * 2, dtype = numpy.float32)
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peer_connection = rtc.create_peer_connection()
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video_sender_track = rtc.add_video_track(peer_connection, 'sendonly', video_codec, payload_type)
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video_receiver_track = rtc.add_video_track(peer_connection, 'recvonly', video_codec, payload_type)
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rtc_peer : RtcPeer =\
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{
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'peer_connection': peer_connection,
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'video':
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{
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'sender_track': video_sender_track,
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'receiver_track': video_receiver_track,
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'codec': video_codec
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},
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'sender_bitrate': ctypes.c_uint(0),
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'receiver_bitrate': ctypes.c_uint(0)
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}
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video_deque : deque[VideoPack] = deque()
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audio_deque : deque[AudioPack] = deque()
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video_event = threading.Event()
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video_deque.append((source_frame, 0.100))
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audio_deque.append((audio_frame, 0.100))
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video_event.set()
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manager = MagicMock()
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manager.process_frame.return_value = source_frame
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manager.opus_encode.return_value = bytes([ 1 ] * 32)
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# TODO: too many patches — 4 nested mocks make this test a lie, real behaviour is hidden behind stubs
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# TODO: nobody triggers the threads naturally — events and deques are pre-populated rather than driven by real receive flow
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with patch('facefusion.apis.stream_helper.streamer.process_frame', manager.process_frame):
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with patch('facefusion.apis.stream_helper.opus_encoder.encode', manager.opus_encode):
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with patch('facefusion.apis.stream_helper.rtc.send_audio', manager.send_audio):
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with patch('facefusion.apis.stream_helper.rtc.send_video', manager.send_video):
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thread = threading.Thread(target = run_encode_loop, args = (rtc_peer, video_codec, video_deque, audio_deque, video_event), daemon = True)
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thread.start()
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time.sleep(0.1)
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# TODO: extract numpy.empty(0) into an empty_vision_frame variable so the sentinel intent is clear
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video_deque.append((numpy.empty(0), 0.0))
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video_event.set()
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thread.join(timeout = 5.0)
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call_names = [ call[0] for call in manager.mock_calls ]
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assert 'process_frame' in call_names and 'send_audio' in call_names
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assert call_names.index('process_frame') < call_names.index('send_audio')
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def test_receive_video_frames() -> None:
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datachannel_library_mock = MagicMock()
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datachannel_library_mock.rtcReceiveMessage.side_effect = [ 0, -1 ]
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vision_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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video_deque : deque[VideoPack] = deque()
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video_event = threading.Event()
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with patch('facefusion.apis.stream_helper.datachannel_module.create_static_library', return_value = datachannel_library_mock):
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with patch('facefusion.apis.stream_helper.decode_video_frame', return_value = vision_frame):
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# TODO: rename receiver_thread — does not identify whether it receives video or audio
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receiver_thread = threading.Thread(target = receive_video_frames, args = (0, 'vp8', video_deque, video_event), daemon = True)
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receiver_thread.start()
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receiver_thread.join(timeout = 2.0)
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# TODO: avoid [0][0] tuple indexing — use named access once VideoPack becomes a TypedDict
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if is_linux() or is_windows():
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assert create_hash(video_deque[0][0].tobytes()) == 'a17439db'
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if is_macos():
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assert create_hash(video_deque[0][0].tobytes()) == '38d00e2a'
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# TODO: refine test
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def test_receive_audio_frames() -> None:
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datachannel_library_mock = MagicMock()
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datachannel_library_mock.rtcReceiveMessage.side_effect = [ 0, -1 ]
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# TODO: rename audio_data — not a recognised naming convention
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audio_data = numpy.zeros(960 * 2, dtype = numpy.float32)
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audio_deque : deque[AudioPack] = deque()
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with patch('facefusion.apis.stream_helper.datachannel_module.create_static_library', return_value = datachannel_library_mock):
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with patch('facefusion.apis.stream_helper.opus_decoder.decode', return_value = audio_data.tobytes()):
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# TODO: rename receiver_thread — does not identify whether it receives video or audio
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receiver_thread = threading.Thread(target = receive_audio_frames, args = (0, 'opus', audio_deque), daemon = True)
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receiver_thread.start()
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receiver_thread.join(timeout = 2.0)
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# TODO: assertions do not verify meaningful audio content — dtype/size/len would pass for an empty silent frame
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assert audio_deque[0][0].dtype == numpy.float32
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assert audio_deque[0][0].size == 960 * 2
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assert len(audio_deque) == 1
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@pytest.mark.parametrize('video_codec', [ 'av1', 'vp8' ])
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def test_encode_and_decode_video_frame(video_codec : VideoCodec) -> None:
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vision_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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input_buffer = cv2.cvtColor(vision_frame, cv2.COLOR_BGR2YUV_I420).tobytes()
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video_encoder = create_video_encoder(video_codec, (426, 226), 1000)
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video_decoder = create_video_decoder(video_codec)
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encode_buffer = encode_video_frame(video_codec, video_encoder, input_buffer, (426, 226), 0)
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decode_buffer = decode_video_frame(video_codec, video_decoder, encode_buffer).tobytes()
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if is_linux() or is_windows():
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if video_codec == 'av1':
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assert create_hash(decode_buffer) == 'c97d6d29'
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if video_codec == 'vp8':
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assert create_hash(decode_buffer) == '99ef2c25'
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if is_macos():
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if video_codec == 'av1':
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assert create_hash(decode_buffer) == 'eafd1fab'
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if video_codec == 'vp8':
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assert create_hash(decode_buffer) == 'ff3ecb43'
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assert decode_video_frame(video_codec, video_decoder, bytes()) is None
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@pytest.mark.parametrize('video_codec', [ 'av1', 'vp8' ])
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def test_create_and_destroy_video_decoder(video_codec : VideoCodec) -> None:
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vision_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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input_buffer = cv2.cvtColor(vision_frame, cv2.COLOR_BGR2YUV_I420).tobytes()
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if video_codec == 'av1':
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video_encoder = aom_encoder.create((426, 226), 1000, 1, 0)
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encode_buffer = aom_encoder.encode(video_encoder, input_buffer, (426, 226), 0)
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if video_codec == 'vp8':
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video_encoder = vpx_encoder.create((426, 226), 1000, 1, 0)
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encode_buffer = vpx_encoder.encode(video_encoder, input_buffer, (426, 226), 0)
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video_decoder = create_video_decoder(video_codec)
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assert numpy.any(decode_video_frame(video_codec, video_decoder, encode_buffer))
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destroy_video_decoder(video_codec, video_decoder)
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assert decode_video_frame(video_codec, video_decoder, encode_buffer) is None
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@pytest.mark.parametrize('video_codec', [ 'av1', 'vp8' ])
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def test_create_and_destroy_video_encoder(video_codec : VideoCodec) -> None:
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vision_frame = read_video_frame(get_test_example_file('target-240p.mp4'))
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input_buffer = cv2.cvtColor(vision_frame, cv2.COLOR_BGR2YUV_I420).tobytes()
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video_encoder = create_video_encoder(video_codec, (426, 226), 4000)
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if video_codec == 'av1':
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assert aom_encoder.encode(video_encoder, input_buffer, (426, 226), 0)
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if video_codec == 'vp8':
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assert vpx_encoder.encode(video_encoder, input_buffer, (426, 226), 0)
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destroy_video_encoder(video_codec, video_encoder)
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if video_codec == 'av1':
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assert aom_encoder.encode(video_encoder, input_buffer, (426, 226), 1) == bytes()
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if video_codec == 'vp8':
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assert vpx_encoder.encode(video_encoder, input_buffer, (426, 226), 1) == bytes()
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@pytest.mark.parametrize('video_codec', [ 'av1', 'vp8' ])
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def test_update_video_encoder_bitrate(video_codec : VideoCodec) -> None:
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video_encoder = create_video_encoder(video_codec, (426, 226), 4000)
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if video_codec == 'av1':
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assert struct.unpack_from('I', video_encoder, 128 + 136)[0] == 4000
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if video_codec == 'vp8':
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assert struct.unpack_from('I', video_encoder, 64 + 112)[0] == 4000
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assert update_video_encoder_bitrate(video_codec, video_encoder, 6000)
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if video_codec == 'av1':
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assert struct.unpack_from('I', video_encoder, 128 + 136)[0] == 6000
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if video_codec == 'vp8':
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assert struct.unpack_from('I', video_encoder, 64 + 112)[0] == 6000
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destroy_video_encoder(video_codec, video_encoder)
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def test_destroy_stream() -> None:
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peer_connection = rtc.create_peer_connection()
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rtc.add_video_track(peer_connection, 'sendonly', 'vp8', 96)
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rtc_peer : RtcPeer =\
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{
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'peer_connection': peer_connection,
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'video':
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{
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'sender_track': 0,
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'receiver_track': 0,
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'codec': 'vp8'
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},
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'sender_bitrate': ctypes.c_uint(0),
|
|
'receiver_bitrate': ctypes.c_uint(0)
|
|
}
|
|
|
|
session_id = 'test-destroy-stream'
|
|
rtc_store.init_peers(session_id)
|
|
rtc_store.get_peers(session_id).append(rtc_peer)
|
|
|
|
assert destroy_stream(session_id) is True
|
|
assert rtc_store.get_peers(session_id) is None
|
|
|
|
assert destroy_stream(session_id) is False
|