voice-gateway-service/src/core/voip/constant.py

#!/usr/bin/env python3
# encoding:utf-8

import os
import mmh3
import queue
import pjsua2 as pj

player_script_dir = '/code/src/core/voip/scripts/'


def murmur3_32(player_file):
    if isinstance(player_file, list):
        player_file = ','.join(player_file)
    return abs(mmh3.hash(player_file))


def build_audio_format():
    fmt = pj.MediaFormatAudio()
    fmt.type = pj.PJMEDIA_TYPE_AUDIO
    fmt.id = pj.PJMEDIA_FORMAT_PCM
    fmt.channelCount = 1  # 通道数
    fmt.bitsPerSample = 16  # 每个采样的位数
    fmt.clockRate = 8000  # 采样率
    fmt.frameTimeUsec = 12500  # 每帧的时间（20 毫秒）
    # fmt.clockRate = 16000  # 采样率
    # fmt.frameTimeUsec = 20000  # 每帧的时间（20 毫秒）
    return fmt


def build_demo_script():
    res = queue.Queue(maxsize=10)
    for file in os.listdir(player_script_dir):
        file = os.path.join(player_script_dir, file)
        print('build_demo_script::', file)
        res.put(file)
    return res