MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T Struct Reference

#include <mmal_parameters_video.h>

List of all members.

Public Attributes
MMAL_PARAMETER_HEADER_T	hdr
uint32_t	size_wanted
uint32_t	protect
uint32_t	mem_handle
void *	phys_addr

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Detailed Description

Structure for requesting a hardware-protected memory buffer

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Member Data Documentation

uint32_t MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T::mem_handle

Output. Handle for protected buffer

void* MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T::phys_addr

Output. Physical memory address of protected buffer

uint32_t MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T::protect

Input. 1 = protect, 0 = unprotect

uint32_t MMAL_PARAMETER_VIDEO_DRM_PROTECT_BUFFER_T::size_wanted

Input. Zero size means internal video decoder buffer, mem_handle and phys_addr not returned in this case

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The documentation for this struct was generated from the following file:

• /home/jvcleave/Desktop/RASPBERRY_PI/userland/interface/mmal/mmal_parameters_video.h