QMultimedia namespace contains miscellaneous identifiers used throughout the Qt Multimedia library. 更多 …
PySide2.QtMultimedia.QMultimedia.
SupportEstimate
¶
Enumerates the levels of support a media service provider may have for a feature.
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常量 |
描述 |
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QMultimedia.NotSupported |
不支持特征。 |
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QMultimedia.MaybeSupported |
The feature may be supported. |
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QMultimedia.ProbablySupported |
The feature is probably supported. |
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QMultimedia.PreferredService |
The service is the preferred provider of a service. |
PySide2.QtMultimedia.QMultimedia.
EncodingQuality
¶
Enumerates quality encoding levels.
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常量 |
描述 |
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QMultimedia.VeryLowQuality |
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QMultimedia.LowQuality |
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QMultimedia.NormalQuality |
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QMultimedia.HighQuality |
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QMultimedia.VeryHighQuality |
PySide2.QtMultimedia.QMultimedia.
EncodingMode
¶
Enumerates encoding modes.
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常量 |
描述 |
|---|---|
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QMultimedia.ConstantQualityEncoding |
Encoding will aim to have a constant quality, adjusting bitrate to fit. |
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QMultimedia.ConstantBitRateEncoding |
Encoding will use a constant bit rate, adjust quality to fit. |
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QMultimedia.AverageBitRateEncoding |
Encoding will try to keep an average bitrate setting, but will use more or less as needed. |
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QMultimedia.TwoPassEncoding |
The media will first be processed to determine the characteristics, and then processed a second time allocating more bits to the areas that need it. |
PySide2.QtMultimedia.QMultimedia.
AvailabilityStatus
¶
Enumerates Service status errors.
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常量 |
描述 |
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QMultimedia.Available |
The service is operating correctly. |
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QMultimedia.ServiceMissing |
There is no service available to provide the requested functionality. |
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QMultimedia.ResourceError |
The service could not allocate resources required to function correctly. |
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QMultimedia.Busy |
The service must wait for access to necessary resources. |