hwcontext_drm.c File Reference

#include <fcntl.h>
#include <sys/mman.h>
#include <unistd.h>
#include <drm.h>
#include <xf86drm.h>
#include "avassert.h"
#include "hwcontext.h"
#include "hwcontext_drm.h"
#include "hwcontext_internal.h"
#include "imgutils.h"

Go to the source code of this file.

Data Structures
struct	DRMMapping

Functions
static void	drm_device_free (AVHWDeviceContext *hwdev)
static int	drm_device_create (AVHWDeviceContext *hwdev, const char *device, AVDictionary *opts, int flags)
static int	drm_get_buffer (AVHWFramesContext *hwfc, AVFrame *frame)
static void	drm_unmap_frame (AVHWFramesContext *hwfc, HWMapDescriptor *hwmap)
static int	drm_map_frame (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int	drm_transfer_get_formats (AVHWFramesContext *ctx, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats)
static int	drm_transfer_data_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static int	drm_transfer_data_to (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static int	drm_map_from (AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)

Variables
const HWContextType	ff_hwcontext_type_drm

Function Documentation

static void drm_device_free ( AVHWDeviceContext *  hwdev )

static

Definition at line 33 of file hwcontext_drm.c.

Referenced by drm_device_create().

static int drm_device_create ( AVHWDeviceContext *  hwdev, const char *  device, AVDictionary *  opts, int  flags  )

static

Definition at line 40 of file hwcontext_drm.c.

static int drm_get_buffer ( AVHWFramesContext *  hwfc, AVFrame *  frame  )

static

Definition at line 70 of file hwcontext_drm.c.

static void drm_unmap_frame ( AVHWFramesContext *  hwfc, HWMapDescriptor *  hwmap  )

static

Definition at line 92 of file hwcontext_drm.c.

Referenced by drm_map_frame().

static int drm_map_frame ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 104 of file hwcontext_drm.c.

Referenced by drm_map_from(), drm_transfer_data_from(), and drm_transfer_data_to().

static int drm_transfer_get_formats ( AVHWFramesContext *  ctx, enum AVHWFrameTransferDirection  dir, enum AVPixelFormat **  formats  )

static

Definition at line 171 of file hwcontext_drm.c.

static int drm_transfer_data_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 188 of file hwcontext_drm.c.

static int drm_transfer_data_to ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src  )

static

Definition at line 219 of file hwcontext_drm.c.

static int drm_map_from ( AVHWFramesContext *  hwfc, AVFrame *  dst, const AVFrame *  src, int  flags  )

static

Definition at line 251 of file hwcontext_drm.c.

Variable Documentation

const HWContextType ff_hwcontext_type_drm

Initial value:

= {
    .type                   = AV_HWDEVICE_TYPE_DRM,
    .name                   = "DRM",

    .device_hwctx_size      = sizeof(AVDRMDeviceContext),

    .device_create          = &drm_device_create,

    .frames_get_buffer      = &drm_get_buffer,

    .transfer_get_formats   = &drm_transfer_get_formats,
    .transfer_data_to       = &drm_transfer_data_to,
    .transfer_data_from     = &drm_transfer_data_from,
    .map_from               = &drm_map_from,

    .pix_fmts = (const enum AVPixelFormat[]) {
        AV_PIX_FMT_DRM_PRIME,
        AV_PIX_FMT_NONE
    },
}

Definition at line 270 of file hwcontext_drm.c.