harmony 鸿蒙native_avsource.h
native_avsource.h
Overview
The native_avsource.h file declares the native APIs used for audio and video demultiplexing.
Library: libnative_media_avsource.so
Since: 10
Related module: AVSource
Summary
Types
| Name | Description |
|---|---|
| typedef struct OH_AVSource OH_AVSource | Defines a struct that describes a native object for the media source interface. |
Functions
| Name | Description |
|---|---|
| OH_AVSource * OH_AVSource_CreateWithDataSource (OH_AVDataSource *dataSource) | Creates an OH_AVSource instance with a user-defined data source. You can release the instance by calling OH_AVSource_Destroy. |
| OH_AVSource * OH_AVSource_CreateWithURI (char *uri) | Creates an OH_AVSource instance based on a URI. |
| OH_AVSource * OH_AVSource_CreateWithFD (int32_t fd, int64_t offset, int64_t size) | Creates an OH_AVSource instance based on a file descriptor (FD). |
| OH_AVErrCode OH_AVSource_Destroy (OH_AVSource *source) | Destroys an OH_AVSource instance and clears internal resources. |
| OH_AVFormat * OH_AVSource_GetSourceFormat (OH_AVSource *source) | Obtains the basic information about a media resource. |
| OH_AVFormat * OH_AVSource_GetTrackFormat (OH_AVSource *source, uint32_t trackIndex) | Obtains the basic information about a track. |
| OH_AVFormat * OH_AVSource_GetCustomMetadataFormat (OH_AVSource *source) | Obtains the basic information about custom metadata. |
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