evg_rescale.c File Reference

#include <gpac/filters.h>
#include <gpac/evg.h>

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Data Structures
struct	EVGScaleCtx

Macros
#define	CHK_EXIT(_msg)
#define	OFFS(_n)   #_n, offsetof(EVGScaleCtx, _n)

Typedefs
typedef u32	EVGScaleAspectRatioMode

Enumerations
enum	EVGScaleAspectRatioMode_t { EVGS_KEEPAR_OFF =0 , EVGS_KEEPAR_FULL , EVGS_KEEPAR_NOSRC }

Functions
u32	gf_evg_stencil_get_pixel_fast (GF_EVGStencil *st, s32 x, s32 y)
u64	gf_evg_stencil_get_pixel_wide_fast (GF_EVGStencil *st, s32 x, s32 y)
static GF_Err	evgs_process (GF_Filter *filter)
static GF_Err	evgs_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	evgs_initialize (GF_Filter *filter)
static void	evgs_finalize (GF_Filter *filter)
static GF_Err	evgs_reconfigure_output (GF_Filter *filter, GF_FilterPid *pid)
const GF_FilterRegister *	evgs_register (GF_FilterSession *session)

Variables
static GF_FilterArgs	EVGSArgs []
static const GF_FilterCapability	EVGSCaps []
GF_FilterRegister	EVGSRegister

---

Data Structure Documentation

EVGScaleCtx

struct EVGScaleCtx

Collaboration diagram for EVGScaleCtx:

Data Fields
GF_PropVec2i	osize
u32	ofmt
u32	nbth
Bool	ofr
Bool	hq
char *	padclr
EVGScaleAspectRatioMode	keepar
GF_Fraction	osar
GF_FilterPid *	ipid
u32	i_w
u32	i_h
u32	i_stride
u32	i_stride_uv
u32	i_pfmt
u32	i_planes
u32	i_size
Bool	i_has_alpha
GF_FilterPid *	opid
u32	o_size
u32	o_w
u32	o_h
u32	o_stride
u32	o_stride_uv
GF_Fraction	ar
Bool	passthrough
Bool	fullrange
u32	offset_w
u32	offset_h
GF_EVGSurface *	surf
GF_EVGStencil *	tx
GF_Path *	path

Macro Definition Documentation

CHK_EXIT

#define CHK_EXIT

(

_msg

)

Value:

                        if (e) {\
                        GF_LOG(GF_LOG_ERROR, GF_LOG_MEDIA, ("[EVGS] "_msg": %s\n", gf_error_to_string(e) )); \
                        gf_filter_pck_discard(dst_pck); \
                        gf_filter_pid_drop_packet(ctx->ipid); \
                        return e;\
                }

OFFS

#define OFFS

(

_n

)

#_n, offsetof(EVGScaleCtx, _n)

Typedef Documentation

EVGScaleAspectRatioMode

typedef u32 EVGScaleAspectRatioMode

Enumeration Type Documentation

EVGScaleAspectRatioMode_t

enum EVGScaleAspectRatioMode_t

Enumerator
EVGS_KEEPAR_OFF
EVGS_KEEPAR_FULL
EVGS_KEEPAR_NOSRC

Function Documentation

gf_evg_stencil_get_pixel_fast()

u32 gf_evg_stencil_get_pixel_fast	(	GF_EVGStencil *	st,
		s32	x,
		s32	y
	)

gf_evg_stencil_get_pixel_wide_fast()

u64 gf_evg_stencil_get_pixel_wide_fast	(	GF_EVGStencil *	st,
		s32	x,
		s32	y
	)

evgs_process()

static GF_Err evgs_process ( GF_Filter *  filter )

static

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evgs_configure_pid()

static GF_Err evgs_configure_pid ( GF_Filter *  filter, GF_FilterPid *  pid, Bool  is_remove  )

static

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evgs_initialize()

static GF_Err evgs_initialize ( GF_Filter *  filter )

static

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evgs_finalize()

static void evgs_finalize ( GF_Filter *  filter )

static

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evgs_reconfigure_output()

static GF_Err evgs_reconfigure_output ( GF_Filter *  filter, GF_FilterPid *  pid  )

static

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evgs_register()

const GF_FilterRegister * evgs_register

(

GF_FilterSession *

session

)

Variable Documentation

EVGSArgs

GF_FilterArgs EVGSArgs[]

static

Initial value:

=
{
        { OFFS(osize), "osize of output video", GF_PROP_VEC2I, NULL, NULL, 0},
        { OFFS(ofmt), "pixel format for output video. When not set, input format is used", GF_PROP_PIXFMT, "none", NULL, 0},
        { OFFS(ofr), "force output full range", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(keepar), "keep aspect ratio\n"
        "- off: ignore aspect ratio\n"
        "- full: respect aspect ratio, applying input sample aspect ratio info\n"
        "- nosrc: respect aspect ratio but ignore input sample aspect ratio"
        , GF_PROP_UINT, "off", "off|full|nosrc", GF_FS_ARG_HINT_EXPERT},
        { OFFS(padclr), "clear color when aspect ration preservation is used", GF_PROP_STRING, "black", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(osar), "force output pixel aspect ratio", GF_PROP_FRACTION, "0/1", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(nbth), "number of threads to use, -1 means all cores", GF_PROP_SINT, "-1", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(hq), "use bilinear interpolation instead of closest pixel", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
 
        {0}
}

EVGSCaps

const GF_FilterCapability EVGSCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        CAP_UINT(GF_CAPFLAG_RECONFIG, GF_PROP_PID_WIDTH, 0),
        CAP_UINT(GF_CAPFLAG_RECONFIG, GF_PROP_PID_HEIGHT, 0),
        CAP_UINT(GF_CAPFLAG_RECONFIG, GF_PROP_PID_PIXFMT, 0),
}

EVGSRegister

GF_FilterRegister EVGSRegister