harmony 鸿蒙avimage_generator_base.h
avimage_generator_base.h
Overview
The avimage_generator_base.h file declares the enums used by the AVImageGenerator.
Library: libavimage_generator.so
System capability: SystemCapability.Multimedia.Media.AVImageGenerator
Since: 18
Related module: AVImageGenerator
Summary
Enums
|Name|typedef Keyword|Description| |–|–|–| |OH_AVImageGenerator_QueryOptions|OH_AVImageGenerator_QueryOptions|Enumerates the mappings between time points and video frames.|
Enum Description
OH_AVImageGenerator_QueryOptions
enum OH_AVImageGenerator_QueryOptions
Description
Enumerates the mappings between time points and video frames.
System capability: SystemCapability.Multimedia.Media.AVImageGenerator
Since: 18
|Enum Item|Description| |–|–| |OH_AVIMAGE_GENERATOR_QUERY_NEXT_SYNC = 0|Extracts the key frame at or next to the specified time.| |OH_AVIMAGE_GENERATOR_QUERY_PREVIOUS_SYNC = 1|Extracts the key frame at or prior to the specified time.| |OH_AVIMAGE_GENERATOR_QUERY_CLOSEST_SYNC = 2|Extracts the key frame closest to the specified time.| |OH_AVIMAGE_GENERATOR_QUERY_CLOSEST = 3|Extracts the frame (not necessarily a key frame) closest to the specified time.|
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