FFmpeg
Data Structures | Macros | Functions | Variables
vf_hwupload.c File Reference
#include "libavutil/buffer.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_internal.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  HWUploadContext
 

Macros

#define OFFSET(x)   offsetof(HWUploadContext, x)
 
#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
 

Functions

static int hwupload_query_formats (AVFilterContext *avctx)
 
static int hwupload_config_output (AVFilterLink *outlink)
 
static int hwupload_filter_frame (AVFilterLink *link, AVFrame *input)
 
static av_cold void hwupload_uninit (AVFilterContext *avctx)
 
 AVFILTER_DEFINE_CLASS (hwupload)
 

Variables

static const AVOption hwupload_options []
 
static const AVFilterPad hwupload_inputs []
 
static const AVFilterPad hwupload_outputs []
 
const AVFilter ff_vf_hwupload
 

Macro Definition Documentation

◆ OFFSET

#define OFFSET (   x)    offsetof(HWUploadContext, x)

Definition at line 220 of file vf_hwupload.c.

◆ FLAGS

Definition at line 221 of file vf_hwupload.c.

Function Documentation

◆ hwupload_query_formats()

static int hwupload_query_formats ( AVFilterContext avctx)
static

Definition at line 42 of file vf_hwupload.c.

◆ hwupload_config_output()

static int hwupload_config_output ( AVFilterLink outlink)
static

Definition at line 107 of file vf_hwupload.c.

◆ hwupload_filter_frame()

static int hwupload_filter_frame ( AVFilterLink link,
AVFrame input 
)
static

Definition at line 171 of file vf_hwupload.c.

◆ hwupload_uninit()

static av_cold void hwupload_uninit ( AVFilterContext avctx)
static

Definition at line 212 of file vf_hwupload.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( hwupload  )

Variable Documentation

◆ hwupload_options

const AVOption hwupload_options[]
static
Initial value:
= {
{
"derive_device", "Derive a new device of this type",
{ .str = NULL }, 0, 0, FLAGS
},
{
}
}

Definition at line 222 of file vf_hwupload.c.

◆ hwupload_inputs

const AVFilterPad hwupload_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = hwupload_filter_frame,
},
{ NULL }
}

Definition at line 235 of file vf_hwupload.c.

◆ hwupload_outputs

const AVFilterPad hwupload_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = hwupload_config_output,
},
{ NULL }
}

Definition at line 244 of file vf_hwupload.c.

◆ ff_vf_hwupload

const AVFilter ff_vf_hwupload
Initial value:
= {
.name = "hwupload",
.description = NULL_IF_CONFIG_SMALL("Upload a normal frame to a hardware frame"),
.uninit = hwupload_uninit,
.query_formats = hwupload_query_formats,
.priv_size = sizeof(HWUploadContext),
.priv_class = &hwupload_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 253 of file vf_hwupload.c.

FF_FILTER_FLAG_HWFRAME_AWARE
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
Definition: internal.h:339
HWUploadContext
Definition: vf_hwupload.c:31
hwupload_config_output
static int hwupload_config_output(AVFilterLink *outlink)
Definition: vf_hwupload.c:107
hwupload_uninit
static av_cold void hwupload_uninit(AVFilterContext *avctx)
Definition: vf_hwupload.c:212
hwupload_filter_frame
static int hwupload_filter_frame(AVFilterLink *link, AVFrame *input)
Definition: vf_hwupload.c:171
OFFSET
#define OFFSET(x)
Definition: vf_hwupload.c:220
inputs
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:243
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
NULL
#define NULL
Definition: coverity.c:32
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
device_type
enum AVHWDeviceType device_type
Definition: hwcontext_qsv.c:90
hwupload_outputs
static const AVFilterPad hwupload_outputs[]
Definition: vf_hwupload.c:244
hwupload_inputs
static const AVFilterPad hwupload_inputs[]
Definition: vf_hwupload.c:235
hwupload_query_formats
static int hwupload_query_formats(AVFilterContext *avctx)
Definition: vf_hwupload.c:42
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
FLAGS
#define FLAGS
Definition: vf_hwupload.c:221
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Definition: opt.h:229