upipe-modules/upipe_video_blank.h header reference

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#define UPIPE_VBLK_SIGNATURE  

This macro is declared in upipe-modules/upipe_video_blank.h source file, line 31.

This macro is the signature of a video blank pipe.

#define _UPIPE_MODULES_UPIPE_VIDEO_BLANK_H_  

This macro is declared in upipe-modules/upipe_video_blank.h source file, line 26.

enum upipe_vblk_command  

This enum is declared in upipe-modules/upipe_video_blank.h source file, line 35.

This enum enumerates the video blank local control commands.

IdentifierValueDescription
UPIPE_VBLK_SENTINELUPIPE_CONTROL_LOCALsentinel
UPIPE_VBLK_SET_PICunknownset the reference picture (struct uref *)

struct upipe_mgr * upipe_vblk_mgr_alloc(void )  

This function is declared in upipe-modules/upipe_video_blank.h source file, line 58.

This function returns the video blank pipe manager.

The return value is a pointer to the video blank pipe manager

int upipe_vblk_set_pic(struct upipe *upipe, struct uref *uref)  

This function is declared in upipe-modules/upipe_video_blank.h source file, line 50.

This function sets the reference picture to output.

Parameter list:

  • upipe: description structure of the pipe
  • uref: picture buffer

The return value is an error code

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