FFmpeg
Data Fields
AVHWFramesConstraints Struct Reference

This struct describes the constraints on hardware frames attached to a given device with a hardware-specific configuration. More...

#include <hwcontext.h>

Data Fields

  A list of possible values for format in the hw_frames_ctx, terminated by AV_PIX_FMT_NONE. More...
 
  A list of possible values for sw_format in the hw_frames_ctx, terminated by AV_PIX_FMT_NONE. More...
 
int  min_width
  The minimum size of frames in this hw_frames_ctx. More...
 
int  min_height
 
int  max_width
  The maximum size of frames in this hw_frames_ctx. More...
 
int  max_height
 

Detailed Description

This struct describes the constraints on hardware frames attached to a given device with a hardware-specific configuration.

This is returned by av_hwdevice_get_hwframe_constraints() and must be freed by av_hwframe_constraints_free() after use.

Definition at line 441 of file hwcontext.h.

Field Documentation

valid_hw_formats

enum AVPixelFormat* AVHWFramesConstraints::valid_hw_formats

A list of possible values for format in the hw_frames_ctx, terminated by AV_PIX_FMT_NONE.

This member will always be filled.

Definition at line 446 of file hwcontext.h.

Referenced by cuda_frames_get_constraints(), d3d11va_frames_get_constraints(), d3d12va_frames_get_constraints(), hwupload_query_formats(), opencl_frames_get_constraints(), qsv_frames_get_constraints(), vaapi_frames_get_constraints(), vdpau_frames_get_constraints(), vt_frames_get_constraints(), and vulkan_frames_get_constraints().

valid_sw_formats

enum AVPixelFormat* AVHWFramesConstraints::valid_sw_formats

A list of possible values for sw_format in the hw_frames_ctx, terminated by AV_PIX_FMT_NONE.

Can be NULL if this information is not known.

Definition at line 453 of file hwcontext.h.

Referenced by cuda_frames_get_constraints(), d3d11va_frames_get_constraints(), d3d12va_frames_get_constraints(), ff_hw_base_get_recon_format(), ff_vaapi_vpp_config_output(), hwupload_query_formats(), opencl_frames_get_constraints(), qsv_frames_get_constraints(), vaapi_decode_make_config(), vaapi_frames_get_constraints(), vdpau_frames_get_constraints(), vt_frames_get_constraints(), and vulkan_frames_get_constraints().

min_width

int AVHWFramesConstraints::min_width

The minimum size of frames in this hw_frames_ctx.

(Zero if not known.)

Definition at line 459 of file hwcontext.h.

Referenced by ff_hw_base_get_recon_format(), ff_vaapi_vpp_config_output(), vaapi_decode_make_config(), vaapi_frames_get_constraints(), and vulkan_frames_get_constraints().

min_height

int AVHWFramesConstraints::min_height

Definition at line 460 of file hwcontext.h.

Referenced by ff_hw_base_get_recon_format(), ff_vaapi_vpp_config_output(), vaapi_decode_make_config(), vaapi_frames_get_constraints(), and vulkan_frames_get_constraints().

max_width

int AVHWFramesConstraints::max_width

The maximum size of frames in this hw_frames_ctx.

(INT_MAX if not known / no limit.)

Definition at line 466 of file hwcontext.h.

Referenced by ff_hw_base_get_recon_format(), ff_vaapi_vpp_config_output(), opencl_frames_get_constraints(), vaapi_decode_make_config(), vaapi_frames_get_constraints(), and vulkan_frames_get_constraints().

max_height

int AVHWFramesConstraints::max_height

Definition at line 467 of file hwcontext.h.

Referenced by ff_hw_base_get_recon_format(), ff_vaapi_vpp_config_output(), opencl_frames_get_constraints(), vaapi_decode_make_config(), vaapi_frames_get_constraints(), and vulkan_frames_get_constraints().


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

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