1e41f4b71Sopenharmony_ci# Multimedia Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.multimedia.1 APIs setRenderRate and getRenderRate of the AudioRenderer Class in ohos.multimedia.audio Are Deprecated 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci**Access Level** 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciPublic API 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Reason for Change** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThe **setRenderRate** and **getRenderRate** APIs are deprecated and replaced by **setSpeed** and **getSpeed**, which provide more comprehensive functions. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Change Impact** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThe change is not compatible with earlier versions. You are advised to use new APIs. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**API Level** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_cisetRenderRate(): 8 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_cigetRenderRate(): 8 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_cigetRenderRateSync(): 10 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci**Deprecated Since** 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ciOpenHarmony SDK 4.1.5.5 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**Deprecated APIs** 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ciIn the **AudioRenderer** class: 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_cisetRenderRate(rate: AudioRendererRate, callback: AsyncCallback\<void>): void; 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_cisetRenderRate(rate: AudioRendererRate): Promise\<void>; 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_cigetRenderRate(callback: AsyncCallback\<AudioRendererRate>): void; 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_cigetRenderRate(): Promise\<AudioRendererRate>; 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_cigetRenderRateSync(): AudioRendererRate; 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci**Adaptation Guide** 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ciUse the new APIs in **AudioRenderer**. The new APIs support the adjustment of the playback speed through a floating point number instead of a fixed multiple. 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_cisetSpeed(speed: number): void; 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_cigetSpeed(): number; 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ciThe deprecated APIs will be retained for five more SDK versions. Make your adaptation plan as required. 52