Screen Capture FAQs Error Code AV_SCREEN_CAPTURE_ERR_OPERATE_NOT_PERMIT Is Reported When Starting Screen Capture This error occurs when the number of instances exceeds the system limit. The current sp
阅读全文
openharmony 鸿蒙 video-supports-rectangular-area-recording
Capturing the Specified Area on a Screen Basic Concepts Starting from API version 20, you can capture a specified rectangular area of the screen during recording. This feature enhances the existing sc
阅读全文
openharmony 鸿蒙 using-ndk-lpp-for-playback
Using LPP to Play Audio and Video (C/C++) Starting from API version 20, the Low Power Player (LPP) offers an end-to-end media pipeline from the source to rendering, while keeping power consumption to
阅读全文
openharmony 鸿蒙 using-ndk-avtranscoder-for-transcodering
Using AVTranscoder to Transcode Videos (C/C++) Starting from API version 20, NDK (C/C++) APIs are provided for video transcoding. You can use the AVTranscoder to implement video transcoding. You can c
阅读全文
openharmony 鸿蒙 avscreencapture-c-custom-scenarios
Using AVScreenCapture in Custom Scenarios AVScreenCapture enables applications to implement scenario-based custom configurations. Refer to the guidelines below for specific setup instructions. Setting
阅读全文
openharmony 鸿蒙 video-encoding-b-frame
B-Frame Video Encoding Starting from API version 20, B-frame video encoding is supported. B-frames, short for Bidirectional Predictive Frames, are one of the primary frame types defined in video encod
阅读全文
openharmony 鸿蒙 video-encoding-ROI
ROI Video Encoding Basic Concepts Region of Interest (ROI) video encoding has been supported since API version 20. This feature is an advanced optimization technology extended based on the hardware H.
阅读全文
openharmony 鸿蒙 synchronous-video-decoding
Synchronous Video Decoding Starting from API version 20, video decoding in synchronous mode is supported. You can call native APIs to perform synchronous video decoding. For details about the implemen
阅读全文
openharmony 鸿蒙 synchronous-video-encoding
Synchronous Video Encoding Starting from API version 20, video encoding in synchronous mode is supported. You can call native APIs to perform synchronous video encoding. For details about the implemen
阅读全文
openharmony 鸿蒙 synchronous-audio-encoding
Synchronous Audio Encoding Starting from API version 20, audio encoding in synchronous mode is supported. You can call native APIs to perform audio encoding, which compresses audio PCM data into a des
阅读全文