Files
xiaozhi-esp32-server/main/xiaozhi-server/core/utils/p3.py
T
0e43748fdc 重新划分目录 (#214)
* 🦄 refactor(web): 修改zhikongtaiweb到web

* 🦄 refactor: 重写前端

路由守护尚未写完

* 🦄 refactor: 标准化路由

* update:前端重写,保留后端

* update:添加前端代码

* update:pip转成poetry启动

* update:增加mem0ai包依赖

* update:文档增加mem0ai的描述

* feat: play online mp3 (#181)

Co-authored-by: 欣南科技 <huangrongzhuang@xin-nan.com>

* 修改前端代码

* update:调整项目目录

* update:优化

* update:配置文件去除8002端口

* update:增加开发说明

* update:更新开发协议

---------

Co-authored-by: kalicyh <34980061+kaliCYH@users.noreply.github.com>
Co-authored-by: hrz <1710360675@qq.com>
Co-authored-by: freshlife001 <talent@mises.site>
Co-authored-by: CGD <3030332422@qq.com>
2025-03-05 23:13:24 +08:00

33 lines
1.1 KiB
Python

import struct
def decode_opus_from_file(input_file):
"""
从p3文件中解码 Opus 数据,并返回一个 Opus 数据包的列表以及总时长。
"""
opus_datas = []
total_frames = 0
sample_rate = 16000 # 文件采样率
frame_duration_ms = 60 # 帧时长
frame_size = int(sample_rate * frame_duration_ms / 1000)
with open(input_file, 'rb') as f:
while True:
# 读取头部(4字节):[1字节类型,1字节保留,2字节长度]
header = f.read(4)
if not header:
break
# 解包头部信息
_, _, data_len = struct.unpack('>BBH', header)
# 根据头部指定的长度读取 Opus 数据
opus_data = f.read(data_len)
if len(opus_data) != data_len:
raise ValueError(f"Data length({len(opus_data)}) mismatch({data_len}) in the file.")
opus_datas.append(opus_data)
total_frames += 1
# 计算总时长
total_duration = (total_frames * frame_duration_ms) / 1000.0
return opus_datas, total_duration