feat(audio): 添加音频重采样支持,修复播放速度问题
问题: - TTS 返回 16000 Hz 音频,但 Context 使用 44100 Hz - 播放速度快 2.75 倍(44100/16000) - 不同采样率的音频播放速度不正确 解决方案: - 集成 gomplerate 库(纯 Go,零依赖) - 自动检测音频采样率并重采样到 44100 Hz - 支持任意采样率的音频文件正常播放 技术实现: - resampler.go: 封装 gomplerate,实现流式重采样 - play.go: WAV/MP3 播放自动重采样 - loop.go: BGM 循环播放支持重采样 测试: - 所有单元测试通过(6/6) - 支持采样率自动转换(如 16000 Hz → 44100 Hz) 依赖: - github.com/zeozeozeo/gomplerate v0.0.0
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@@ -157,6 +157,8 @@ github.com/ysmood/leakless v0.9.0/go.mod h1:R8iAXPRaG97QJwqxs74RdwzcRHT1SWCGTNqY
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github.com/zaf/g711 v0.0.0-20190814101024-76a4a538f52b/go.mod h1:T2h1zV50R/q0CVYnsQOQ6L7P4a2ZxH47ixWcMXFGyx8=
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github.com/zaf/g711 v1.4.0 h1:XZYkjjiAg9QTBnHqEg37m2I9q3IIDv5JRYXs2N8ma7c=
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github.com/zaf/g711 v1.4.0/go.mod h1:eCDXt3dSp/kYYAoooba7ukD/Q75jvAaS4WOMr0l1Roo=
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github.com/zeozeozeo/gomplerate v0.0.0-20250404113140-0fbb236df825 h1:rViu1xhQRtdJogc39jF46PS01xHVD736JowXl2qOcPM=
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github.com/zeozeozeo/gomplerate v0.0.0-20250404113140-0fbb236df825/go.mod h1:ASuMFHITnaVdPvMkoDGI4tTwYG9fW7Mxv2j5AuvTo8Q=
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go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
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go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
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go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
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