vsrc_amf.c File Reference

#include "config.h"
#include "libavutil/pixdesc.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavutil/avstring.h"
#include "libavutil/avassert.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_amf.h"
#include "libavutil/hwcontext_amf_internal.h"
#include "compat/w32dlfcn.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"
#include <AMF/core/Factory.h>
#include <AMF/core/Surface.h>
#include <AMF/components/ColorSpace.h>
#include <AMF/components/DisplayCapture.h>

Go to the source code of this file.

Data Structures
struct	AMFGrabContext

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

Functions
	AVFILTER_DEFINE_CLASS (amf_capture)
static void	amf_release_surface (void *opaque, uint8_t *data)
static av_cold void	amf_uninit (AVFilterContext *avctx)
static av_cold int	amf_init (AVFilterContext *avctx)
static int	amf_init_vsrc (AVFilterLink *outlink)
static int	amf_config_props (AVFilterLink *outlink)
static int	amf_capture_frame (AVFilterLink *outlink)

Variables
static const AVOption	amf_capture_options []
static const AVFilterPad	amf_outputs []
const FFFilter	ff_vsrc_amf_capture

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(AMFGrabContext, x)

Definition at line 57 of file vsrc_amf.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 58 of file vsrc_amf.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

amf_capture

)

amf_release_surface()

static void amf_release_surface ( void *  opaque, uint8_t *  data  )

static

Definition at line 108 of file vsrc_amf.c.

Referenced by amf_capture_frame().

amf_uninit()

static av_cold void amf_uninit ( AVFilterContext *  avctx )

static

Definition at line 118 of file vsrc_amf.c.

Referenced by amf_config_props().

amf_init()

static av_cold int amf_init ( AVFilterContext *  avctx )

static

Definition at line 135 of file vsrc_amf.c.

amf_init_vsrc()

static int amf_init_vsrc ( AVFilterLink *  outlink )

static

Definition at line 147 of file vsrc_amf.c.

Referenced by amf_config_props().

amf_config_props()

static int amf_config_props ( AVFilterLink *  outlink )

static

Definition at line 229 of file vsrc_amf.c.

amf_capture_frame()

static int amf_capture_frame ( AVFilterLink *  outlink )

static

Definition at line 288 of file vsrc_amf.c.

Variable Documentation

amf_capture_options

const AVOption amf_capture_options[]

static

Initial value:

= {
    { "monitor_index", "Index of display monitor to capture", OFFSET(monitor_index),     AV_OPT_TYPE_INT, {.i64 = 0}, 0, 8, FLAGS },
    { "framerate", "Capture framerate", OFFSET(framerate),      AV_OPT_TYPE_VIDEO_RATE, {.str = "60"}, 0, INT_MAX, FLAGS },
    { "duplicate_output", "Use display output duplication for screen capture", OFFSET(duplicate_output),      AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, FLAGS },
 
    { "capture_mode", "Capture synchronization mode", OFFSET(capture_mode),  AV_OPT_TYPE_INT, {.i64 = AMF_DISPLAYCAPTURE_MODE_KEEP_FRAMERATE}, 0, 2, FLAGS, "mode" },
    { "keep_framerate", "Capture component maintains the frame rate", 0, AV_OPT_TYPE_CONST,        {.i64 = AMF_DISPLAYCAPTURE_MODE_KEEP_FRAMERATE}, 0, 0, FLAGS, "mode" },
    { "wait_for_present", "Capture component waits for flip (present) event", 0, AV_OPT_TYPE_CONST,       {.i64 = AMF_DISPLAYCAPTURE_MODE_WAIT_FOR_PRESENT}, 0, 0, FLAGS, "mode" },
    { "get_current", "Returns current visible surface immediately", 0, AV_OPT_TYPE_CONST,       {.i64 = AMF_DISPLAYCAPTURE_MODE_GET_CURRENT_SURFACE}, 0, 0, FLAGS, "mode" },
    { NULL }
}

Definition at line 60 of file vsrc_amf.c.

amf_outputs

const AVFilterPad amf_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .request_frame = amf_capture_frame,
        .config_props  = amf_config_props,
    },
}

Definition at line 379 of file vsrc_amf.c.

ff_vsrc_amf_capture

const FFFilter ff_vsrc_amf_capture

Initial value:

= {
    .p.name        = "vsrc_amf",
    .p.description = NULL_IF_CONFIG_SMALL("AMD AMF screen capture"),
    .p.priv_class  = &amf_capture_class,
    .p.inputs      = NULL,
    .p.flags       = AVFILTER_FLAG_HWDEVICE,
    .priv_size     = sizeof(AMFGrabContext),
    .init          = amf_init,
    .uninit        = amf_uninit,
    FILTER_OUTPUTS(amf_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_AMF_SURFACE),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 388 of file vsrc_amf.c.