reframe_img.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/avparse.h>
#include <gpac/network.h>
#include <gpac/internal/isomedia_dev.h>

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Data Structures
struct	BITMAPFILEHEADER
struct	BITMAPINFOHEADER
struct	GF_ReframeImgCtx

Macros
#define	BI_RGB   0L
#define	OFFS(_n)   #_n, offsetof(GF_ReframeImgCtx, _n)

Functions
GF_Err	img_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
Bool	img_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
GF_Err	img_process (GF_Filter *filter)
static const char *	img_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	rfimg_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	ReframeImgCaps []
static const GF_FilterArgs	ReframeImgArgs []
GF_FilterRegister	ReframeImgRegister

---

Data Structure Documentation

BITMAPFILEHEADER

struct BITMAPFILEHEADER

Data Fields
u16	bfType
u32	bfSize
u16	bfReserved1
u16	bfReserved2
u32	bfOffBits

BITMAPINFOHEADER

struct BITMAPINFOHEADER

Data Fields
u32	biSize
s32	biWidth
s32	biHeight
u16	biPlanes
u16	biBitCount
u32	biCompression
u32	biSizeImage
s32	biXPelsPerMeter
s32	biYPelsPerMeter
u32	biClrUsed
u32	biClrImportant

GF_ReframeImgCtx

struct GF_ReframeImgCtx

Collaboration diagram for GF_ReframeImgCtx:

Data Fields
GF_Fraction	fps
GF_FilterPid *	ipid
GF_FilterPid *	opid
u32	src_timescale
Bool	is_bmp
Bool	owns_timescale
u32	codec_id
Bool	initial_play_done
Bool	is_playing

Macro Definition Documentation

BI_RGB

#define BI_RGB   0L

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_ReframeImgCtx, _n)

Function Documentation

img_configure_pid()

GF_Err img_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

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img_process_event()

Bool img_process_event	(	GF_Filter *	filter,
		const GF_FilterEvent *	evt
	)

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img_process()

GF_Err img_process

(

GF_Filter *

filter

)

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img_probe_data()

static const char* img_probe_data ( const u8 *  data, u32  size, GF_FilterProbeScore *  score  )

static

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rfimg_register()

const GF_FilterRegister* rfimg_register

(

GF_FilterSession *

session

)

Variable Documentation

ReframeImgCaps

const GF_FilterCapability ReframeImgCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_FILE_EXT, "jpg|jpeg|jp2|j2k|bmp|png"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "image/jpg|image/jp2|image/bmp|image/png"),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_PNG),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_JPEG),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_J2K),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_RAW),
 
}

ReframeImgArgs

const GF_FilterArgs ReframeImgArgs[]

static

Initial value:

=
{
        { OFFS(fps), "import frame rate (0 default to 1 Hz)", GF_PROP_FRACTION, "0/1000", NULL, GF_FS_ARG_HINT_HIDE},
        {0}
}

ReframeImgRegister

GF_FilterRegister ReframeImgRegister

Initial value:

= {
        .name = "rfimg",
 
        GF_FS_SET_HELP("This filter parses JPG/J2K/PNG/BMP files/data and outputs corresponding visual PID and frames.\n"
        "\n"
        "The following extensions for PNG change the pixel format for RGBA images:\n"
        "- pngd: use RGB+depth map pixel format\n"
        "- pngds: use RGB+depth(7bits)+shape(MSB of alpha channel) pixel format\n"
        "")
        .private_size = sizeof(GF_ReframeImgCtx),
        .args = ReframeImgArgs,
        SETCAPS(ReframeImgCaps),
        .configure_pid = img_configure_pid,
        .probe_data = img_probe_data,
        .process = img_process,
        .process_event = img_process_event,
        .hint_class_type = GF_FS_CLASS_FRAMING
}