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Related Modules:
Description:
Provides capabilities for audio capturing, including controlling the capturing, setting audio attributes, scenes, and volume, and capturing audio frames.
Since:
1.0
Version:
1.0
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struct AudioControl Defines the audio control. For details, see AudioControl. |
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struct AudioAttribute Defines the audio attribute. For details, see AudioAttribute. |
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struct AudioScene Defines the audio scene. For details, see AudioScene. |
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struct AudioVolume Defines audio volume. For details, see AudioVolume. |
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CaptureFrame )(struct AudioCapture *capture, void *frame, uint64_t requestBytes, uint64_t *replyBytes) |
Reads a frame of input data (uplink data) from the audio driver for capturing. |
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GetCapturePosition )(struct AudioCapture *capture, uint64_t *frames, struct AudioTimeStamp *time) |
int32_t(* AudioCapture::CaptureFrame) (struct [AudioCapture](AudioCapture.md) *capture, void *frame, uint64_t requestBytes, uint64_t *replyBytes)
Description:
Reads a frame of input data (uplink data) from the audio driver for capturing.
Parameters:
| capture | Indicates the pointer to the AudioCapture object to operate. |
| frame | Indicates the pointer to the input data to read. |
| requestBytes | Indicates the size of the input data, in bytes. |
| replyBytes | Indicates the pointer to the actual length (in bytes) of the audio data to read. |
Returns:
Returns 0 if the input data is read successfully; returns a negative value otherwise.
int32_t(* AudioCapture::GetCapturePosition) (struct [AudioCapture](AudioCapture.md) *capture, uint64_t *frames, struct [AudioTimeStamp](AudioTimeStamp.md) *[time](zh-cn_topic_0000001054879478.md#gae7841e681c8c9d59818568d39553642c))
Description:
Obtains the last number of input audio frames.
Parameters:
| capture | Indicates the pointer to the AudioCapture object to operate. |
| frames | Indicates the pointer to the last number of input audio frames. |
| time | Indicates the pointer to the timestamp associated with the frame. |
Returns:
Returns 0 if the last number is obtained; returns a negative value otherwise.
See also:
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