rewind.c File Reference

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

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Data Structures
struct	GF_RewindCtx

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

Functions
static GF_Err	rewind_initialize (GF_Filter *filter)
static void	rewind_finalize (GF_Filter *filter)
static GF_Err	rewind_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	rewind_process_video (GF_RewindCtx *ctx, GF_FilterPacket *pck)
static GF_Err	rewind_process (GF_Filter *filter)
static Bool	rewind_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
const GF_FilterRegister *	rewind_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	RewinderCaps []
static const GF_FilterArgs	RewinderArgs []
GF_FilterRegister	RewinderRegister

---

Data Structure Documentation

GF_RewindCtx

struct GF_RewindCtx

Data Fields
u32	rbuffer
GF_FilterPid *	ipid
GF_FilterPid *	opid
u32	type
Bool	passthrough
GF_List *	frames
u32	nb_ch
u32	bytes_per_sample
Bool	is_planar
Bool	wait_for_next_sap

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_RewindCtx, _n)

Function Documentation

rewind_initialize()

static GF_Err rewind_initialize ( GF_Filter *  filter )

static

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rewind_finalize()

static void rewind_finalize ( GF_Filter *  filter )

static

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rewind_configure_pid()

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

static

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rewind_process_video()

static GF_Err rewind_process_video ( GF_RewindCtx *  ctx, GF_FilterPacket *  pck  )

static

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rewind_process()

static GF_Err rewind_process ( GF_Filter *  filter )

static

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rewind_process_event()

static Bool rewind_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

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rewind_register()

const GF_FilterRegister * rewind_register

(

GF_FilterSession *

session

)

Variable Documentation

RewinderCaps

const GF_FilterCapability RewinderCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        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),
}

RewinderArgs

const GF_FilterArgs RewinderArgs[]

static

Initial value:

=
{
        { OFFS(rbuffer), "size of video rewind buffer in frames. If more frames than this, flush is performed", GF_PROP_UINT, "100", NULL, GF_FS_ARG_HINT_ADVANCED},
        {0}
}

RewinderRegister

GF_FilterRegister RewinderRegister

Initial value:

= {
        .name = "rewind",
 
 
        .private_size = sizeof(GF_RewindCtx),
        
        .flags = GF_FS_REG_EXPLICIT_ONLY,
        .initialize = rewind_initialize,
        .finalize = rewind_finalize,
        .args = RewinderArgs,
        SETCAPS(RewinderCaps),
        .configure_pid = rewind_configure_pid,
        .process = rewind_process,
        .process_event = rewind_process_event,
        .hint_class_type = GF_FS_CLASS_STREAM
}