Files
One-KVM/kvmd/apps/kvmd/streamer/params.py
2025-07-09 13:09:02 +03:00

118 lines
4.7 KiB
Python

# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2024 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
import copy
# =====
class Params:
__DESIRED_FPS = "desired_fps"
__QUALITY = "quality"
__RESOLUTION = "resolution"
__AVAILABLE_RESOLUTIONS = "available_resolutions"
__H264 = "h264"
__H264_BITRATE = "h264_bitrate"
__H264_GOP = "h264_gop"
def __init__( # pylint: disable=too-many-arguments
self,
quality: int,
resolution: str,
available_resolutions: list[str],
desired_fps: int,
desired_fps_min: int,
desired_fps_max: int,
h264_bitrate: int,
h264_bitrate_min: int,
h264_bitrate_max: int,
h264_gop: int,
h264_gop_min: int,
h264_gop_max: int,
) -> None:
self.__has_quality = bool(quality)
self.__has_resolution = bool(resolution)
self.__has_h264 = bool(h264_bitrate)
self.__params: dict = {self.__DESIRED_FPS: min(max(desired_fps, desired_fps_min), desired_fps_max)}
self.__limits: dict = {self.__DESIRED_FPS: {"min": desired_fps_min, "max": desired_fps_max}}
if self.__has_quality:
self.__params[self.__QUALITY] = quality
if self.__has_resolution:
self.__params[self.__RESOLUTION] = resolution
self.__limits[self.__AVAILABLE_RESOLUTIONS] = available_resolutions
if self.__has_h264:
self.__params[self.__H264_BITRATE] = min(max(h264_bitrate, h264_bitrate_min), h264_bitrate_max)
self.__limits[self.__H264_BITRATE] = {"min": h264_bitrate_min, "max": h264_bitrate_max}
self.__params[self.__H264_GOP] = min(max(h264_gop, h264_gop_min), h264_gop_max)
self.__limits[self.__H264_GOP] = {"min": h264_gop_min, "max": h264_gop_max}
def get_features(self) -> dict:
return {
self.__QUALITY: self.__has_quality,
self.__RESOLUTION: self.__has_resolution,
self.__H264: self.__has_h264,
}
def get_limits(self) -> dict:
limits = copy.deepcopy(self.__limits)
if self.__has_resolution:
limits[self.__AVAILABLE_RESOLUTIONS] = list(limits[self.__AVAILABLE_RESOLUTIONS])
return limits
def get_params(self) -> dict:
return dict(self.__params)
def set_params(self, params: dict) -> None:
new = dict(self.__params)
if self.__QUALITY in params and self.__has_quality:
new[self.__QUALITY] = min(max(params[self.__QUALITY], 1), 100)
if self.__RESOLUTION in params and self.__has_resolution:
if params[self.__RESOLUTION] in self.__limits[self.__AVAILABLE_RESOLUTIONS]:
new[self.__RESOLUTION] = params[self.__RESOLUTION]
for (key, enabled) in [
(self.__DESIRED_FPS, True),
(self.__H264_BITRATE, self.__has_h264),
(self.__H264_GOP, self.__has_h264),
]:
if key in params and enabled:
if self.__check_limits_min_max(key, params[key]):
new[key] = params[key]
self.__params = new
def __check_limits_min_max(self, key: str, value: int) -> bool:
return (self.__limits[key]["min"] <= value <= self.__limits[key]["max"])