enc_webcodec.c File Reference

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

Include dependency graph for enc_webcodec.c:

Data Structures
struct	GF_WCEncCtx

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

Functions
static GF_Err	wcenc_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	wcenc_process (GF_Filter *filter)
const GF_FilterRegister *	wcenc_register (GF_FilterSession *session)

Variables
static GF_FilterCapability	WCEncCapsAV []
static const GF_FilterArgs	WCEncArgs []
GF_FilterRegister	GF_WCEncCtxRegister

---

Data Structure Documentation

GF_WCEncCtx

struct GF_WCEncCtx

Collaboration diagram for GF_WCEncCtx:

Data Fields
char *	c
GF_Fraction	fintra
Bool	all_intra
u32	b
u32	queued
GF_Filter *	filter
u32	codecid
u32	dsi_crc
u32	timescale
u32	width
u32	height
u32	pfmt
u32	stride
u32	stride_uv
u32	nb_planes
u32	uv_height
Bool	codec_init
u32	pf
u32	out_size
u32	in_flush
u32	afmt
u32	sample_rate
u32	num_channels
u32	bytes_per_sample
GF_FilterPid *	ipid
GF_FilterPid *	opid
GF_List *	src_pcks
GF_Err	error
GF_Err	enc_error
Bool	fintra_setup
u64	orig_ts
u32	nb_forced
u32	nb_frames_in
char *	pname

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_WCEncCtx, _n)

Function Documentation

wcenc_configure_pid()

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

static

wcenc_process()

static GF_Err wcenc_process ( GF_Filter *  filter )

static

wcenc_register()

const GF_FilterRegister* wcenc_register

(

GF_FilterSession *

session

)

Here is the call graph for this function:

Variable Documentation

WCEncCapsAV

GF_FilterCapability WCEncCapsAV[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_RAW),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_RAW),
        CAP_BOOL(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_TILE_BASE, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_RAW),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_RAW),
}

WCEncArgs

const GF_FilterArgs WCEncArgs[]

static

Initial value:

=
{
        { OFFS(c), "codec identifier. Can be any supported GPAC codec name or ffmpeg codec name - updated to ffmpeg codec name after initialization", GF_PROP_STRING, NULL, NULL, 0},
        { OFFS(fintra), "force intra / IDR frames at the given period in sec, e.g. `fintra=2` will force an intra every 2 seconds and `fintra=1001/1000` will force an intra every 30 frames on 30000/1001=29.97 fps video; ignored for audio", GF_PROP_FRACTION, "-1/1", NULL, 0},
 
        { OFFS(all_intra), "only produce intra frames", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_UPDATE|GF_FS_ARG_HINT_ADVANCED},
        { OFFS(b), "bitrate in bits per seconds, defaults to 2M for video and 124K for audio", GF_PROP_UINT, "0", NULL, 0},
        { OFFS(queued), "maximum number of packets to queue in webcodec instance", GF_PROP_UINT, "10", NULL, 0},
        {0}
}

GF_WCEncCtxRegister

GF_FilterRegister GF_WCEncCtxRegister

Initial value:

= {
        .name = "wcenc",
 
 
        .args = WCEncArgs,
        SETCAPS(WCEncCapsAV),
        .flags = GF_FS_REG_SINGLE_THREAD|GF_FS_REG_ASYNC_BLOCK,
 
 
 
 
 
        .configure_pid = wcenc_configure_pid,
        .process = wcenc_process,
        .hint_class_type = GF_FS_CLASS_ENCODER
}