path: root/voctocore/lib/commands.py

#!/usr/bin/python3
import logging
import json


from lib.config import Config
from lib.videomix import CompositeModes

class ControlServerCommands():
    def __init__(self, pipeline):
        self.log = logging.getLogger('ControlServerCommands')

        self.pipeline = pipeline
        self.sources = Config.getlist('mix', 'sources')
        self.blankersources = Config.getlist('stream-blanker', 'sources')

    def decodeSourceName(self, src_name_or_id):
        if isinstance(src_name_or_id, str):
            try:
                return self.sources.index(src_name_or_id)
            except Exception as e:
                raise IndexError("source %s unknown" % src_name_or_id)

        if src_name_or_id < 0 or src_name_or_id >= len(self.sources):
            raise IndexError("source %s unknown" % src_name_or_id)

    def encodeSourceName(self, src_id):
        try:
            return self.sources[src_id]
        except Exception as e:
            raise IndexError("source %s unknown" % src_id)

    def decodeBlankerSourceName(self, src_name_or_id):
        if isinstance(src_name_or_id, str):
            try:
                return self.blankersources.index(src_name_or_id)
            except Exception as e:
                raise IndexError("source %s unknown" % src_name_or_id)

        if src_name_or_id < 0 or src_name_or_id >= len(self.blankersources):
            raise IndexError("source %s unknown" % src_name_or_id)

    def encodeBlankerSourceName(self, src_id):
        try:
            return self.blankersources[src_id]
        except Exception as e:
            raise IndexError("source %s unknown" % src_id)


    def message(self, *args):
        return True

    def set_video_a(self, src_name_or_id):
        src_id = self.decodeSourceName(src_name_or_id)
        self.pipeline.vmix.setVideoSourceA(src_id)
        return True

    def get_video_a(self):
        src_id = self.pipeline.vmix.getVideoSourceA()
        return (True, self.encodeSourceName(src_id))

    def set_video_b(self, src_name_or_id):
        src_id = self.decodeSourceName(src_name_or_id)
        self.pipeline.vmix.setVideoSourceB(src_id)
        return True

    def get_video_b(self):
        src_id = self.pipeline.vmix.getVideoSourceB()
        return (True, self.encodeSourceName(src_id))

    def set_audio(self, src_name_or_id):
        src_id = self.decodeSourceName(src_name_or_id)
        self.pipeline.amix.setAudioSource(src_id)
        return True

    def get_audio(self):
        src_id = self.pipeline.amix.getAudioSource()
        return (True, self.encodeSourceName(src_id))

    def set_composite_mode(self, composite_mode):
        try:
            mode = CompositeModes[composite_mode]
        except KeyError as e:
            raise KeyError("composite-mode %s unknown" % composite_mode)

        self.pipeline.vmix.setCompositeMode(mode)
        return True

    def get_composite_mode(self):
        try:
            mode = self.pipeline.vmix.getCompositeMode()
            return (True, mode.name)
        except Exception as e:
            raise KeyError("composite-mode %s unknown" % mode)

    def set_stream_status(self, *args):
        try:
            if args[0] == "live":
                self.pipeline.streamblanker.setBlankSource(None)
                return True
            elif args [0] == "blank":
                src_id = self.decodeBlankerSourceName(args[1])
                self.pipeline.streamblanker.setBlankSource(src_id)
                return True
            else:
                return (False, "invocation: set_stream_status (live | blank <mode>)")
        except IndexError as e:
            return (False, "invocation: set_stream_status (live | blank <mode>)")

    def get_stream_status(self):
        if self.pipeline.streamblanker.blankSource is None:
            return (True, "live")

        name = self.encodeBlankerSourceName(self.pipeline.streamblanker.blankSource)
        return (True, "blank " + name)

    def get_config(self):
        confdict = {k: dict(v) for k, v in dict(Config).items()}
        return (True, json.dumps(confdict))