926 lines
35 KiB
Python
926 lines
35 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import asyncio
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import base64
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from io import BytesIO
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from pathlib import Path
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import re
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import tempfile
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import time
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from typing import Any
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from uuid import uuid4
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from adbutils import AdbClient, AdbDevice
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from PIL import Image
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from artemis.clients.ui_automator_client import (
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UIAutomatorClient,
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_parse_hierarchy_xml_to_elements,
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)
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from artemis.config import get_temp_dir
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from artemis.controllers.device_controller import (
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MobileDeviceController,
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ScreenDataResponse,
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)
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from artemis.controllers.types import (
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Bounds,
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CoordinatesSelectorRequest,
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TapOutput,
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)
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from artemis.data_engine.models import VideoRecordingRecord
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from artemis.utils.logger import get_logger
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from artemis.utils.video import (
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DEFAULT_MAX_DURATION_SECONDS,
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RecordingSession,
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VideoRecordingResult,
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build_scrcpy_record_command,
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cleanup_video_segments,
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concatenate_videos,
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get_active_session,
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has_active_session,
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normalize_recording_to_mp4,
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remove_active_session,
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set_active_session,
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trim_video,
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)
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logger = get_logger(__name__)
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class AndroidDeviceController(MobileDeviceController):
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def __init__(
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self,
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device_id: str,
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adb_client: AdbClient,
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ui_adb_client: UIAutomatorClient,
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device_width: int,
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device_height: int,
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data_engine_start_time: float | None = None,
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data_engine: Any | None = None,
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):
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self.device_id = device_id
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self.adb_client = adb_client
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self.ui_adb_client = ui_adb_client
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self.device_width = device_width
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self.device_height = device_height
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self.data_engine_start_time = data_engine_start_time
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self.data_engine = data_engine
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self._device: AdbDevice | None = None
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self._segment_cache: dict[
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tuple[str, int, float, float], VideoRecordingResult
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] = {}
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@property
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def device(self) -> AdbDevice:
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if self._device is None:
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self._device = self.adb_client.device(serial=self.device_id)
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return self._device
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async def tap(
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self,
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coords: CoordinatesSelectorRequest,
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long_press: bool = False,
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long_press_duration: int = 1000,
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times: int = 1,
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delay_ms: int = 100,
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) -> TapOutput:
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try:
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if long_press:
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cmd = (
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f"input swipe {coords.x} {coords.y} {coords.x} {coords.y} {long_press_duration}"
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)
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else:
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if times <= 1:
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cmd = f"input tap {coords.x} {coords.y}"
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else:
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# Chain multiple taps in a single shell command to eliminate shell spawning overhead
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# between rapid consecutive clicks (e.g. 7 taps to enter developer mode)
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taps = [f"input tap {coords.x} {coords.y}"] * times
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cmd = f" && sleep {delay_ms / 1000.0:.3f} && ".join(taps)
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logger.info(f"Executing ADB shell: {cmd}")
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self.device.shell(cmd)
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return TapOutput(error=None)
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except Exception as e:
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return TapOutput(error=f"ADB tap failed: {str(e)}")
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async def swipe(
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self,
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start: CoordinatesSelectorRequest,
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end: CoordinatesSelectorRequest,
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duration: int = 400,
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) -> str | None:
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try:
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cmd = f"input touchscreen swipe {start.x} {start.y} {end.x} {end.y} {duration}"
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logger.info(f"Executing ADB command: {cmd}")
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self.device.shell(cmd)
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return None
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except Exception as e:
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return f"ADB swipe failed: {str(e)}"
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async def get_screen_data(self) -> ScreenDataResponse:
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"""Get screen data using the UIAutomator2 client"""
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try:
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logger.info("Using UIAutomator2 for screen data retrieval")
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ui_data = self.ui_adb_client.get_screen_data()
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return ScreenDataResponse(
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base64=ui_data.base64,
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elements=ui_data.elements,
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width=ui_data.width,
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height=ui_data.height,
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platform="android",
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)
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except Exception as e:
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logger.error(f"Failed to get screen data: {e}")
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raise
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async def screenshot(self) -> str:
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try:
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b64 = self.ui_adb_client.get_screenshot_base64()
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if b64 is None:
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raise RuntimeError("Failed to capture screenshot")
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return b64
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except Exception as e:
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logger.error(f"Failed to take screenshot: {e}")
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raise
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async def input_text(self, text: str) -> bool:
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try:
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norm_text = (
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text.replace(r"\r\n", "\n")
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.replace(r"\n", "\n")
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.replace(r"\r", "\n")
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)
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# 1. Tier 1: Try clipboard injection + KEYCODE_PASTE (Zero IME interference, preserves multiline, works for all charsets)
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if self.ui_adb_client:
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try:
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set_clip_ok = False
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if hasattr(self.ui_adb_client, "set_clipboard"):
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set_clip_ok = self.ui_adb_client.set_clipboard(norm_text)
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elif hasattr(self.ui_adb_client, "_device") and self.ui_adb_client._device:
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self.ui_adb_client._device.set_clipboard(norm_text)
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set_clip_ok = True
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elif hasattr(self.ui_adb_client, "_ensure_connected"):
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dev = self.ui_adb_client._ensure_connected()
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dev.set_clipboard(norm_text)
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set_clip_ok = True
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if set_clip_ok:
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self.device.shell("input keyevent 279")
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return True
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except Exception as e:
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logger.debug(f"Clipboard paste fallback: {e}")
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return self._input_text_adb_fallback(norm_text)
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except Exception as e:
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logger.error(f"Failed to input text: {e}")
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return False
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def _input_text_adb_fallback(self, text: str) -> bool:
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"""Fallback method using ADB shell input text command."""
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try:
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norm_text = (
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text.replace(r"\r\n", "\n")
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.replace(r"\n", "\n")
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.replace(r"\r", "\n")
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)
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lines = norm_text.split("\n")
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for line_idx, line in enumerate(lines):
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if line_idx > 0:
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self.device.shell("input keyevent 66")
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if not line:
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continue
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parts = line.split("%s")
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for i, part in enumerate(parts):
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to_write = ""
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for char in part:
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if char == " ":
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to_write += "%s"
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elif char in [
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"&",
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"<",
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">",
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"|",
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";",
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"(",
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")",
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"$",
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"`",
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"\\",
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'"',
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"'",
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]:
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to_write += f"\\{char}"
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else:
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to_write += char
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if to_write:
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self.device.shell(f"input text '{to_write}'")
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if i < len(parts) - 1:
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self.device.shell("input keyevent 62")
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return True
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except Exception as e:
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logger.error(f"Failed to input text via ADB fallback: {e}")
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return False
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async def launch_app(self, package_or_bundle_id: str) -> bool:
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try:
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# Clear foreground obstructions before launching
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logger.info(
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"Clearing foreground obstructions (status bar, system dialogs,"
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" keyboard) before launching app..."
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)
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try:
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# 1. Collapse status bar / notification shade
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self.device.shell("cmd statusbar collapse")
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except Exception as e:
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logger.warning(f"Failed to collapse status bar: {e}")
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try:
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# 2. Close system dialogs
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self.device.shell("am broadcast -a android.intent.action.CLOSE_SYSTEM_DIALOGS")
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except Exception as e:
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logger.warning(f"Failed to close system dialogs: {e}")
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# 3. Dismiss keyboard if visible
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if self.is_keyboard_visible():
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await self.dismiss_keyboard()
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self.device.app_start(package_or_bundle_id)
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return True
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except Exception as e:
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logger.error(f"Failed to launch app {package_or_bundle_id}: {e}")
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return False
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async def terminate_app(self, package_or_bundle_id: str | None) -> bool:
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try:
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if package_or_bundle_id is None:
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current_app = self._get_current_foreground_package()
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if current_app:
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logger.info(f"Stopping currently running app: {current_app}")
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self.device.app_stop(current_app)
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else:
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logger.warning("No foreground app detected")
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return False
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else:
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self.device.app_stop(package_or_bundle_id)
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return True
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except Exception as e:
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logger.error(f"Failed to terminate app {package_or_bundle_id}: {e}")
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return False
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async def open_url(self, url: str) -> bool:
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try:
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cmd = f"am start -a android.intent.action.VIEW -d {url}"
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logger.info(f"Executing ADB shell: {cmd}")
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self.device.shell(cmd)
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return True
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except Exception as e:
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logger.error(f"Failed to open URL {url}: {e}")
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return False
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def is_keyboard_visible(self) -> bool:
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try:
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res = self.device.shell("dumpsys input_method")
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if isinstance(res, bytes):
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res = res.decode("utf-8")
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# Common patterns for open keyboard in dumpsys
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patterns = [
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"mInputShown=true",
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"mInputViewShowing=true",
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"mInputViewShowing=VISIBLE",
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]
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for p in patterns:
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if p in res:
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return True
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# Alternate check using dumpsys window
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res_win = self.device.shell(
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"dumpsys window | grep -E 'mInputMethodWindow|mShowingInputMethod'"
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)
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if isinstance(res_win, bytes):
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res_win = res_win.decode("utf-8")
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if "mInputMethodWindow" in res_win and "visible=true" in res_win.lower():
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return True
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return False
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except Exception as e:
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logger.error(f"Failed to check keyboard visibility: {e}")
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return False
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async def dismiss_keyboard(self) -> bool:
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try:
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if not self.is_keyboard_visible():
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return True
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logger.info("Keyboard is visible, attempting to dismiss via Keyevent 111 (Escape)")
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self.device.shell("input keyevent 111")
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await asyncio.sleep(0.3)
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if not self.is_keyboard_visible():
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logger.info("Keyboard successfully dismissed via Keyevent 111")
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return True
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logger.info("Keyboard still visible, trying Keyevent 4 (BACK) as fallback to dismiss")
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self.device.shell("input keyevent 4")
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await asyncio.sleep(0.3)
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if not self.is_keyboard_visible():
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logger.info("Keyboard successfully dismissed via Keyevent 4")
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return True
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logger.warning("Failed to dismiss keyboard after Escape and BACK")
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return False
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except Exception as e:
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logger.error(f"Error in dismiss_keyboard: {e}")
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return False
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async def press_back(self) -> bool:
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try:
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if self.is_keyboard_visible():
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logger.info(
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"Intercepted press_back: Keyboard is visible. Attempting to"
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" dismiss keyboard first."
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)
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return await self.dismiss_keyboard()
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logger.info("Executing normal press_back (keyboard not visible)")
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self.device.shell("input keyevent 4")
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return True
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except Exception as e:
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logger.error(f"Failed to press back: {e}")
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return False
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async def press_home(self) -> bool:
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try:
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self.device.shell("input keyevent 3")
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return True
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except Exception as e:
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logger.error(f"Failed to press home: {e}")
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return False
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async def press_enter(self) -> bool:
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try:
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self.device.shell("input keyevent 66")
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return True
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except Exception as e:
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logger.error(f"Failed to press enter: {e}")
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return False
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async def press_key(self, keycode: str) -> bool:
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try:
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# Intercept BACK keycodes to handle keyboard dismissal first
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clean_keycode = str(keycode).strip().upper()
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if clean_keycode in ("4", "KEYCODE_BACK", "BACK"):
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if self.is_keyboard_visible():
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logger.info(
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f"Intercepted press_key({keycode}): Keyboard is"
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" visible. Dismissing keyboard first."
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)
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return await self.dismiss_keyboard()
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self.device.shell(f"input keyevent {keycode}")
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return True
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except Exception as e:
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logger.error(f"Failed to press key {keycode}: {e}")
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return False
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async def get_ui_hierarchy(self) -> list[dict]:
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max_attempts = 4
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retry_delay = 0.5
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for attempt in range(1, max_attempts + 1):
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try:
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hierarchy_xml = self.ui_adb_client.get_hierarchy()
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elements = _parse_hierarchy_xml_to_elements(hierarchy_xml)
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# Check if hierarchy contains actual UI elements besides the root node
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if len(elements) > 1:
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if attempt > 1:
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logger.info(
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f"Successfully retrieved non-empty UI hierarchy on attempt {attempt}"
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)
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return elements
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logger.warning(
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"Retrieved empty or root-only UI hierarchy (length"
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f" {len(elements)}) on attempt {attempt}/{max_attempts}."
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f" Retrying in {retry_delay}s..."
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)
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except Exception as e:
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logger.warning(
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f"Failed to get UI hierarchy on attempt {attempt}/{max_attempts}: {e}"
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)
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if attempt == max_attempts:
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logger.error(f"Failed to get UI hierarchy after {max_attempts} attempts: {e}")
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return []
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|
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if attempt < max_attempts:
|
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await asyncio.sleep(retry_delay)
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return []
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|
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def find_element(
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self,
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ui_hierarchy: list[dict],
|
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resource_id: str | None = None,
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text: str | None = None,
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index: int = 0,
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) -> tuple[dict | None, Bounds | None, str | None]:
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if not resource_id and not text:
|
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return None, None, "No resource_id or text provided"
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|
|
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matches = []
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for element in ui_hierarchy:
|
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if resource_id and element.get("resource-id") == resource_id:
|
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matches.append(element)
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elif text and (element.get("text") == text or element.get("accessibilityText") == text):
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matches.append(element)
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if not matches:
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criteria = f"resource_id='{resource_id}'" if resource_id else f"text='{text}'"
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return None, None, f"No element found with {criteria}"
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|
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if index >= len(matches):
|
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criteria = f"resource_id='{resource_id}'" if resource_id else f"text='{text}'"
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return (
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None,
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None,
|
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(f"Index {index} out of range for {criteria} (found {len(matches)} matches)"),
|
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)
|
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element = matches[index]
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bounds = self._extract_bounds(element)
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return element, bounds, None
|
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|
|
def _get_current_foreground_package(self) -> str | None:
|
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try:
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app_info = self.device.current_app()
|
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if app_info and app_info.package:
|
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return app_info.package
|
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return None
|
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except Exception as e:
|
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logger.error(
|
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f"Failed to get current foreground package using adbutils: {e}."
|
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" Falling back to dumpsys parsing."
|
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)
|
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try:
|
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result = self.device.shell("dumpsys window | grep mCurrentFocus")
|
|
|
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# Convert to string if bytes
|
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if isinstance(result, bytes):
|
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result_str = result.decode("utf-8")
|
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elif isinstance(result, str):
|
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result_str = result
|
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else:
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return None
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|
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if result_str and "=" in result_str:
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parts = result_str.split("/")
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if len(parts) > 0:
|
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package = parts[0].split()[-1]
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return package if package else None
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except Exception as fallback_err:
|
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logger.error(f"Fallback dumpsys parsing also failed: {fallback_err}")
|
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return None
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|
|
def _extract_bounds(self, element: dict) -> Bounds | None:
|
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bounds_str = element.get("bounds")
|
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if not bounds_str or not isinstance(bounds_str, str):
|
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return None
|
|
|
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try:
|
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match = re.match(r"\[(\d+),(\d+)\]\[(\d+),(\d+)\]", bounds_str)
|
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if match:
|
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return Bounds(
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x1=int(match.group(1)),
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y1=int(match.group(2)),
|
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x2=int(match.group(3)),
|
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y2=int(match.group(4)),
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)
|
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except (ValueError, IndexError):
|
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return None
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|
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return None
|
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|
|
async def erase_text(self, nb_chars: int | None = None) -> bool:
|
|
# 1. If clearing the whole field, try fast UIAutomator2 clear first
|
|
if nb_chars is None:
|
|
logger.info("Attempting fast UIAutomator2 clear_text...")
|
|
if self.ui_adb_client.clear_text():
|
|
return True
|
|
logger.warning("UIAutomator2 clear_text failed, falling back to optimized ADB shell")
|
|
|
|
# 2. Optimized ADB fallback: combine multiple KEYCODE_DEL keyevents into a single command
|
|
try:
|
|
chars_to_delete = nb_chars if nb_chars is not None else 50
|
|
if chars_to_delete > 0:
|
|
# KEYCODE_DEL is 67. Build arguments list "67 67 67 ..."
|
|
keycode_args = " ".join(["67"] * chars_to_delete)
|
|
cmd = f"input keyevent {keycode_args}"
|
|
logger.info(f"Executing combined ADB shell delete: {cmd}")
|
|
self.device.shell(cmd)
|
|
return True
|
|
except Exception as e:
|
|
logger.error(f"Failed to erase text via ADB fallback: {e}")
|
|
return False
|
|
|
|
async def cleanup(self) -> None:
|
|
pass
|
|
|
|
def get_compressed_b64_screenshot(self, image_base64: str, quality: int = 50) -> str:
|
|
if image_base64.startswith("data:image"):
|
|
image_base64 = image_base64.split(",")[1]
|
|
|
|
image_data = base64.b64decode(image_base64)
|
|
image = Image.open(BytesIO(image_data))
|
|
|
|
compressed_io = BytesIO()
|
|
image.save(compressed_io, format="JPEG", quality=quality, optimize=True)
|
|
|
|
compressed_base64 = base64.b64encode(compressed_io.getvalue()).decode("utf-8")
|
|
return compressed_base64
|
|
|
|
async def start_video_recording(
|
|
self,
|
|
max_duration_seconds: int = DEFAULT_MAX_DURATION_SECONDS,
|
|
output_dir: Path | None = None,
|
|
) -> VideoRecordingResult:
|
|
"""Start screen recording on Android device using scrcpy."""
|
|
self._segment_cache.clear()
|
|
if has_active_session(self.device_id):
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=(f"Recording already in progress for device {self.device_id}"),
|
|
)
|
|
|
|
try:
|
|
# Create a temp file for the MKV recording if output_dir not provided
|
|
if not output_dir:
|
|
output_dir = Path(
|
|
tempfile.mkdtemp(prefix="scrcpy_", dir=get_temp_dir("recordings"))
|
|
)
|
|
else:
|
|
output_dir.mkdir(parents=True, exist_ok=True)
|
|
local_video_path = output_dir / "recording.mkv"
|
|
|
|
video_id = uuid4()
|
|
session = RecordingSession(
|
|
video_id=video_id,
|
|
device_id=self.device_id,
|
|
start_time=time.time(),
|
|
data_engine_start_time=self.data_engine_start_time,
|
|
local_video_path=local_video_path,
|
|
capture_width=self.device_width,
|
|
capture_height=self.device_height,
|
|
)
|
|
|
|
# Persist to local database if Data Engine is active
|
|
if self.data_engine and self.data_engine.storage:
|
|
try:
|
|
record = VideoRecordingRecord(
|
|
video_id=video_id,
|
|
session_id=self.data_engine.current_session_id,
|
|
device_id=self.device_id,
|
|
start_time=session.start_time,
|
|
local_video_path=str(local_video_path),
|
|
)
|
|
self.data_engine.storage.create_video_recording(record)
|
|
except Exception as db_err:
|
|
logger.error(f"Failed to persist video recording start to DB: {db_err}")
|
|
|
|
# Start scrcpy in background
|
|
cmd = build_scrcpy_record_command(
|
|
"scrcpy", self.device_id, local_video_path, lock_capture_orientation=False
|
|
)
|
|
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
|
|
session.process = process
|
|
set_active_session(self.device_id, session)
|
|
|
|
logger.info(
|
|
f"Started scrcpy recording on {self.device_id}, saving to {local_video_path}"
|
|
)
|
|
|
|
# Wait a bit and check if it's still running.
|
|
await asyncio.sleep(1.0)
|
|
if process.returncode is not None:
|
|
stderr = await process.stderr.read()
|
|
logger.error(f"scrcpy failed to start: {stderr.decode()}")
|
|
remove_active_session(self.device_id)
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=f"scrcpy failed to start: {stderr.decode()}",
|
|
)
|
|
|
|
return VideoRecordingResult(
|
|
success=True,
|
|
message=f"Recording started on {self.device_id}",
|
|
)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to start scrcpy recording: {e}")
|
|
remove_active_session(self.device_id)
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=f"Failed to start recording: {e}",
|
|
)
|
|
|
|
async def stop_video_recording(self) -> VideoRecordingResult:
|
|
"""Stop scrcpy recording and return the video file."""
|
|
self._segment_cache.clear()
|
|
session = get_active_session(self.device_id)
|
|
if not session:
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=f"No active recording for device {self.device_id}",
|
|
)
|
|
|
|
try:
|
|
process = session.process
|
|
if process is not None:
|
|
process.terminate()
|
|
await asyncio.wait_for(process.wait(), timeout=5.0)
|
|
|
|
output_path = session.local_video_path
|
|
|
|
# Fix: Concatenate previous segments if scrcpy crashed and restarted
|
|
if session.android_video_segments:
|
|
all_segments = session.android_video_segments + [output_path]
|
|
concatenated_mkv = output_path.parent / "full_recording.mkv"
|
|
|
|
if await concatenate_videos(all_segments, concatenated_mkv):
|
|
cleanup_video_segments(all_segments)
|
|
output_path = concatenated_mkv
|
|
|
|
# Convert MKV to MP4
|
|
mp4_path = (
|
|
output_path.parent / "recording.mp4"
|
|
if output_path.name == "full_recording.mkv"
|
|
else output_path.with_suffix(".mp4")
|
|
)
|
|
success = await self._convert_mkv_to_mp4(output_path, mp4_path)
|
|
|
|
remove_active_session(self.device_id)
|
|
|
|
final_video_path = mp4_path if (success and mp4_path.exists()) else output_path
|
|
|
|
# Persist update to local database if Data Engine is active
|
|
if self.data_engine and self.data_engine.storage:
|
|
try:
|
|
record = VideoRecordingRecord(
|
|
video_id=session.video_id,
|
|
session_id=self.data_engine.current_session_id,
|
|
device_id=self.device_id,
|
|
start_time=session.start_time,
|
|
end_time=time.time(),
|
|
local_video_path=str(final_video_path),
|
|
)
|
|
self.data_engine.storage.update_video_recording(record)
|
|
except Exception as db_err:
|
|
logger.error(f"Failed to persist video recording stop to DB: {db_err}")
|
|
|
|
if success and mp4_path.exists():
|
|
try:
|
|
output_path.unlink()
|
|
except Exception:
|
|
pass
|
|
return VideoRecordingResult(
|
|
success=True,
|
|
message=f"Recording stopped, saved to {mp4_path}",
|
|
video_path=mp4_path,
|
|
)
|
|
else:
|
|
return VideoRecordingResult(
|
|
success=True,
|
|
message=(
|
|
f"Recording stopped, saved as MKV to {output_path} (conversion failed)"
|
|
),
|
|
video_path=output_path,
|
|
)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to stop scrcpy recording: {e}")
|
|
remove_active_session(self.device_id)
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=f"Failed to stop recording: {e}",
|
|
)
|
|
|
|
async def extract_segment_metadata(
|
|
self,
|
|
start_relative_time: float,
|
|
end_relative_time: float | None = None,
|
|
) -> VideoRecordingResult:
|
|
"""Get a video segment for a specific time range (relative to video start)."""
|
|
session = get_active_session(self.device_id)
|
|
if not session:
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=f"No active recording for device {self.device_id}",
|
|
)
|
|
|
|
cache_key = None
|
|
if end_relative_time is not None:
|
|
cache_key = (
|
|
str(session.video_id),
|
|
session.generation,
|
|
round(start_relative_time, 1),
|
|
round(end_relative_time, 1),
|
|
)
|
|
cached_res = self._segment_cache.get(cache_key)
|
|
if cached_res and cached_res.success and cached_res.video_path and cached_res.video_path.exists():
|
|
logger.info(
|
|
"Reusing generation-scoped trimmed video segment for range"
|
|
f" {cache_key[2]}s to {cache_key[3]}s"
|
|
)
|
|
return cached_res
|
|
|
|
try:
|
|
mkv_path = session.local_video_path
|
|
if not mkv_path or not mkv_path.exists():
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message="Recording file not found",
|
|
)
|
|
|
|
# Check if process is still running (best effort for disconnection check)
|
|
crashed = False
|
|
restart_message = ""
|
|
|
|
if session.process and session.process.returncode is not None:
|
|
logger.warning(f"scrcpy process for {self.device_id} has terminated unexpectedly")
|
|
crashed = True
|
|
|
|
# Move current file to segments list (save it before overwriting session state)
|
|
session.android_video_segments.append(mkv_path)
|
|
|
|
# Try to restart scrcpy
|
|
try:
|
|
session.android_segment_index += 1
|
|
session.generation = session.android_segment_index
|
|
output_dir = mkv_path.parent
|
|
new_video_path = output_dir / f"recording_{session.android_segment_index}.mkv"
|
|
|
|
cmd = build_scrcpy_record_command(
|
|
"scrcpy", self.device_id, new_video_path, lock_capture_orientation=False
|
|
)
|
|
|
|
process = await asyncio.create_subprocess_exec(
|
|
*cmd,
|
|
stdout=asyncio.subprocess.PIPE,
|
|
stderr=asyncio.subprocess.PIPE,
|
|
)
|
|
|
|
# Wait a bit and check if it's still running.
|
|
await asyncio.sleep(1.0)
|
|
if process.returncode is None:
|
|
session.process = process
|
|
session.local_video_path = new_video_path
|
|
restart_message = "Successfully restarted scrcpy."
|
|
else:
|
|
stderr = await process.stderr.read()
|
|
restart_message = f"Failed to restart scrcpy: {stderr.decode()}"
|
|
except Exception as e:
|
|
restart_message = f"Failed to restart scrcpy: {e}"
|
|
|
|
current_time = time.time()
|
|
video_duration = current_time - session.start_time
|
|
|
|
# Calculate offset
|
|
offset = 0.0
|
|
if session.data_engine_start_time is not None:
|
|
offset = session.start_time - session.data_engine_start_time
|
|
if offset < 0:
|
|
offset = 0.0
|
|
|
|
video_start_relative_time = start_relative_time - offset
|
|
video_end_relative_time = (
|
|
end_relative_time - offset if end_relative_time is not None else None
|
|
)
|
|
|
|
# Safety buffer: avoid reading the very last second being written
|
|
safe_duration = max(0.0, video_duration - 1.0)
|
|
|
|
truncation_warning = None
|
|
if video_end_relative_time is not None and video_end_relative_time > safe_duration:
|
|
truncation_warning = (
|
|
"Video segment truncated. Requested end time"
|
|
f" {end_relative_time:.1f}s exceeded available safe"
|
|
f" duration. Truncated to {safe_duration + offset:.1f}s."
|
|
)
|
|
|
|
if video_end_relative_time is None or video_end_relative_time > safe_duration:
|
|
video_end_relative_time = safe_duration
|
|
|
|
if video_start_relative_time < 0:
|
|
video_start_relative_time = 0.0
|
|
|
|
if video_start_relative_time >= video_end_relative_time:
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=(
|
|
"Invalid time range or requested too close to current"
|
|
f" time. Available duration: {safe_duration:.1f}s"
|
|
),
|
|
)
|
|
|
|
# Trim directly from MKV to MP4 (using mkv_path which points to the file before we potentially changed it for restart)
|
|
|
|
trim_output_dir = tempfile.mkdtemp(
|
|
prefix="video_trimmed_",
|
|
dir=get_temp_dir("trimmed_videos"),
|
|
)
|
|
trim_output_path = Path(trim_output_dir) / "segment.mp4"
|
|
|
|
# Retry mechanism for ffmpeg stability
|
|
success = False
|
|
for attempt in range(3):
|
|
success = await trim_video(
|
|
mkv_path,
|
|
video_start_relative_time,
|
|
video_end_relative_time,
|
|
trim_output_path,
|
|
)
|
|
if success and trim_output_path.exists():
|
|
break
|
|
logger.warning(f"ffmpeg trim attempt {attempt + 1} failed, retrying in 0.5s...")
|
|
await asyncio.sleep(0.5)
|
|
|
|
if not success or not trim_output_path.exists():
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message="Failed to trim video segment after retries",
|
|
)
|
|
|
|
actual_start = video_start_relative_time + offset
|
|
actual_end = video_end_relative_time + offset
|
|
|
|
message = f"Video segment retrieved for range {actual_start:.1f}s to {actual_end:.1f}s"
|
|
if crashed:
|
|
message += (
|
|
f". Warning: scrcpy crashed. Data loss may have occurred. {restart_message}"
|
|
)
|
|
|
|
file_size_mb = trim_output_path.stat().st_size / (1024 * 1024)
|
|
duration = video_end_relative_time - video_start_relative_time
|
|
|
|
res = VideoRecordingResult(
|
|
success=True,
|
|
message=message,
|
|
video_path=trim_output_path,
|
|
file_size_mb=round(file_size_mb, 2),
|
|
duration_seconds=round(duration, 2),
|
|
actual_start_relative_time=actual_start,
|
|
warning=truncation_warning,
|
|
video_id=session.video_id,
|
|
generation=session.generation,
|
|
sealed_until=session.sealed_until,
|
|
source_revision=(
|
|
f"{session.video_id}:{session.generation}:{round(actual_end, 3)}"
|
|
),
|
|
)
|
|
if cache_key is not None:
|
|
self._segment_cache[cache_key] = res
|
|
return res
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to get video segment: {e}")
|
|
return VideoRecordingResult(
|
|
success=False,
|
|
message=f"Failed to get video segment: {e}",
|
|
)
|
|
|
|
async def _convert_mkv_to_mp4(self, mkv_path: Path, mp4_path: Path) -> bool:
|
|
"""Normalize MKV into a fixed-size, browser-safe MP4."""
|
|
session = get_active_session(self.device_id)
|
|
return await normalize_recording_to_mp4(
|
|
mkv_path,
|
|
mp4_path,
|
|
session.capture_width if session else self.device_width,
|
|
session.capture_height if session else self.device_height,
|
|
)
|