FFmpeg
Data Structures | Functions | Variables
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:
= {
.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[]) {
},
}
static int drm_map_from(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src, int flags)
static int drm_device_create(AVHWDeviceContext *hwdev, const char *device, AVDictionary *opts, int flags)
Definition: hwcontext_drm.c:40
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)
DRM-managed buffers exposed through PRIME buffer sharing.
Definition: pixfmt.h:328
static int drm_transfer_data_to(AVHWFramesContext *hwfc, AVFrame *dst, const AVFrame *src)
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
static int drm_get_buffer(AVHWFramesContext *hwfc, AVFrame *frame)
Definition: hwcontext_drm.c:70
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64

Definition at line 270 of file hwcontext_drm.c.