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