rewrite_obu.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/bitstream.h>
#include <gpac/internal/media_dev.h>

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Data Structures
struct	GF_OBUMxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(GF_OBUMxCtx, _n)

Enumerations
enum	OBUFramingMode { FRAMING_OBU = 0 , FRAMING_AV1B = 1 , FRAMING_IVF = 2 , FRAMING_AV1TS = 3 }

Functions
GF_Err	obumx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	obumx_add_packet (GF_FilterPid *opid, GF_BitStream *bs, GF_FilterPacket *src_pck, GF_List *pcks)
static GF_Err	format_obu_mpeg2ts (u8 *in_data, u32 in_size, u8 **out_data, u32 *out_size)
static GF_Err	obumx_process_mpeg2au (GF_OBUMxCtx *ctx, GF_FilterPacket *src_pck, u8 *data, u32 src_pck_size)
GF_Err	obumx_process (GF_Filter *filter)
static void	obumx_finalize (GF_Filter *filter)
const GF_FilterRegister *	ufobu_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	OBUMxCaps []
static const GF_FilterArgs	OBUMxArgs []
GF_FilterRegister	OBUMxRegister

---

Data Structure Documentation

GF_OBUMxCtx

struct GF_OBUMxCtx

Collaboration diagram for GF_OBUMxCtx:

Data Fields
Bool	rcfg
Bool	tsep
GF_FilterPid *	ipid
GF_FilterPid *	opid
u32	crc
Bool	ivf_hdr
OBUFramingMode	mode
GF_BitStream *	bs_w
GF_BitStream *	bs_r
u32	w
u32	h
GF_Fraction	fps
GF_AV1Config *	av1c
u32	av1b_cfg_size
u32	codec_id
Bool	passthrough

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_OBUMxCtx, _n)

Enumeration Type Documentation

OBUFramingMode

enum OBUFramingMode

Enumerator
FRAMING_OBU
FRAMING_AV1B
FRAMING_IVF
FRAMING_AV1TS

Function Documentation

obumx_configure_pid()

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

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obumx_add_packet()

static GF_Err obumx_add_packet ( GF_FilterPid *  opid, GF_BitStream *  bs, GF_FilterPacket *  src_pck, GF_List *  pcks  )

static

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format_obu_mpeg2ts()

static GF_Err format_obu_mpeg2ts ( u8 *  in_data, u32  in_size, u8 **  out_data, u32 *  out_size  )

static

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obumx_process_mpeg2au()

static GF_Err obumx_process_mpeg2au ( GF_OBUMxCtx *  ctx, GF_FilterPacket *  src_pck, u8 *  data, u32  src_pck_size  )

static

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obumx_process()

GF_Err obumx_process

(

GF_Filter *

filter

)

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obumx_finalize()

static void obumx_finalize ( GF_Filter *  filter )

static

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ufobu_register()

const GF_FilterRegister * ufobu_register

(

GF_FilterSession *

session

)

Variable Documentation

OBUMxCaps

const GF_FilterCapability OBUMxCaps[]

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_AV1),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_VP8),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_VP9),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_VP10),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_BOOL(GF_CAPS_OUTPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
}

OBUMxArgs

const GF_FilterArgs OBUMxArgs[]

static

Initial value:

=
{
        { OFFS(rcfg), "force repeating decoder config at each I-frame", GF_PROP_BOOL, "true", NULL, 0},
        {0}
}

OBUMxRegister

GF_FilterRegister OBUMxRegister

Initial value:

= {
        .name = "ufobu",
 
        GF_FS_SET_HELP("This filter rewrites VPx or AV1 bitstreams into a IVF, annexB or OBU sequence.\n"
        "The temporal delimiter OBU is re-inserted in annexB (`.av1` and `.av1b`files, with obu_size set) and OBU sequences (`.obu`files, without obu_size)\n"
        "Timecode metadata optionally inserted\n"
        "Note: VP8/9 codecs will only use IVF output (equivalent to file extension `.ivf` or `:ext=ivf` set on output).\n"
        )
        .private_size = sizeof(GF_OBUMxCtx),
        .args = OBUMxArgs,
        SETCAPS(OBUMxCaps),
        .finalize = obumx_finalize,
        .configure_pid = obumx_configure_pid,
        .process = obumx_process,
        .hint_class_type = GF_FS_CLASS_FRAMING
}