Data Fields

vda_context Struct Reference

This structure is used to provide the necessary configurations and data to the VDA Libav HWAccel implementation. More...

#include <vda.h>

Data Fields

VDADecoder decoder
 VDA decoder object.
vda_frame * queue
 VDA frames queue ordered by presentation timestamp.
pthread_mutex_t queue_mutex
 Mutex for locking queue operations.
int width
 The frame width.
int height
 The frame height.
int format
 The frame format.
OSType cv_pix_fmt_type
 The pixel format for output image buffers.

Detailed Description

This structure is used to provide the necessary configurations and data to the VDA Libav HWAccel implementation.

The application must make it available as AVCodecContext.hwaccel_context.

Definition at line 72 of file vda.h.

Field Documentation

OSType vda_context::cv_pix_fmt_type

The pixel format for output image buffers.

  • encoding: unused
  • decoding: Set/Unset by user.

Definition at line 127 of file vda.h.

Referenced by ff_vda_create_decoder(), and vda_decoder_callback().

VDADecoder vda_context::decoder

VDA decoder object.

  • encoding: unused
  • decoding: Set/Unset by libavcodec.

Definition at line 79 of file vda.h.

Referenced by decode_slice(), end_frame(), ff_vda_create_decoder(), ff_vda_decoder_decode(), ff_vda_destroy_decoder(), and start_frame().

int vda_context::format

The frame format.

  • encoding: unused
  • decoding: Set/Unset by user.

Definition at line 119 of file vda.h.

Referenced by ff_vda_create_decoder().

int vda_context::height

The frame height.

  • encoding: unused
  • decoding: Set/Unset by user.

Definition at line 111 of file vda.h.

Referenced by ff_vda_create_decoder().

vda_frame* vda_context::queue

VDA frames queue ordered by presentation timestamp.

  • encoding: unused
  • decoding: Set/Unset by libavcodec.

Definition at line 87 of file vda.h.

Referenced by ff_vda_queue_pop(), vda_clear_queue(), and vda_decoder_callback().

pthread_mutex_t vda_context::queue_mutex

Mutex for locking queue operations.

  • encoding: unused
  • decoding: Set/Unset by libavcodec.

Definition at line 95 of file vda.h.

Referenced by ff_vda_create_decoder(), ff_vda_destroy_decoder(), ff_vda_queue_pop(), vda_clear_queue(), and vda_decoder_callback().

int vda_context::width

The frame width.

  • encoding: unused
  • decoding: Set/Unset by user.

Definition at line 103 of file vda.h.

Referenced by ff_vda_create_decoder().

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