bs_split.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/internal/media_dev.h>
#include <gpac/mpeg4_odf.h>

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Data Structures
struct	BSSplitOut
struct	BSSplitIn
struct	BSSplitCtx

Macros
#define	CHECK_PARAM(_name, _id, _res)
#define	AVC_READ_LIST(_list, _is_sps)
#define	OFFS(_n)   #_n, offsetof(BSSplitCtx, _n)

Functions
static Bool	match_substream (BSSplitOut *c_opid, u32 layer_id, u32 temporal_id)
static void	bs_split_svc_add_param (GF_List *ps_list, GF_NALUFFParam *sl)
static void	bs_split_check_svc_config (BSSplitIn *pctx, BSSplitOut *c_opid)
static void	bs_split_update_hevc_linf (BSSplitIn *pctx, BSSplitOut *c_opid)
static void	bs_split_copy_props_base (BSSplitCtx *ctx, BSSplitOut *c_opid, GF_FilterPid *pid, u32 svc_base_id)
static BSSplitOut *	bs_split_get_out_stream (BSSplitCtx *ctx, BSSplitIn *pctx, Bool is_config, u32 layer_id, u32 temporal_id, Bool force_dv)
static void	bs_split_svcc_del (GF_AVCConfig *svcc)
static GF_Err	avc_rewrite_pid_config (BSSplitCtx *ctx, BSSplitIn *pctx)
static GF_Err	vvc_hevc_rewrite_pid_config (BSSplitCtx *ctx, BSSplitIn *pctx)
static GF_Err	none_rewrite_pid_config (BSSplitCtx *ctx, BSSplitIn *pctx)
static GF_Err	none_split_packet (BSSplitCtx *ctx, BSSplitIn *pctx, GF_FilterPacket *pck)
static GF_Err	nalu_split_packet (BSSplitCtx *ctx, BSSplitIn *pctx, GF_FilterPacket *pck, u32 codec_type)
static GF_Err	avc_split_packet (BSSplitCtx *ctx, BSSplitIn *pctx, GF_FilterPacket *pck)
static GF_Err	hevc_split_packet (BSSplitCtx *ctx, BSSplitIn *pctx, GF_FilterPacket *pck)
static GF_Err	vvc_split_packet (BSSplitCtx *ctx, BSSplitIn *pctx, GF_FilterPacket *pck)
static void	bs_split_reset_stream (GF_Filter *filter, BSSplitCtx *ctx, BSSplitIn *pctx, Bool is_finalize, Bool is_reconf)
static GF_Err	bs_split_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	bs_split_process (GF_Filter *filter)
static GF_Err	bs_split_initialize (GF_Filter *filter)
static void	bs_split_finalize (GF_Filter *filter)
const GF_FilterRegister *	bssplit_register (GF_FilterSession *session)

Variables
static GF_FilterArgs	BSSplitArgs []
static const GF_FilterCapability	BSSplitCaps []
GF_FilterRegister	BSSplitRegister

---

Data Structure Documentation

BSSplitOut

struct BSSplitOut

Collaboration diagram for BSSplitOut:

Data Fields
GF_FilterPid *	opid
u32	max_layer_id
u32	max_temporal_id
u32	min_lid_plus_one
u32	min_tid_plus_one
Bool	is_base
Bool	is_init
u32	id
u32	dep_id
u32	width
u32	height
GF_FilterPacket *	pck
GF_AVCConfig *	svcc

_bs_split_ctx

struct _bs_split_ctx

Collaboration diagram for BSSplitCtx:

Data Fields
GF_PropStringList	ltid
Bool	sig_ltid
Bool	svcqid
GF_Filter *	filter
GF_List *	pids

Macro Definition Documentation

CHECK_PARAM

#define CHECK_PARAM	(		_name,
			_id,
			_res
	)

Value:

        for (i=0; i<gf_list_count(_name); i++) {\
                GF_NALUFFParam *sl = gf_list_get(_name, i);\
                if (sl->id == _id) { _res = GF_TRUE; break; }\
        }

AVC_READ_LIST

#define AVC_READ_LIST	(		_list,
			_is_sps
	)

Value:

        if (_list) {\
                count = gf_list_count(_list);\
                for (i=0; i<count; i++) {\
                        GF_NALUFFParam *sl = gf_list_get(_list, i);\
                        gf_bs_reassign_buffer(pctx->r_bs, sl->data, sl->size);\
                        gf_bs_enable_emulation_byte_removal(pctx->r_bs, GF_TRUE);\
                        s32 res = gf_avc_parse_nalu(pctx->r_bs, pctx->avc_state);\
                        if (res>=0) {\
                                sl->id = pctx->avc_state->last_ps_idx;\
                                if (_is_sps) {\
                                        width = pctx->avc_state->sps[sl->id].width;\
                                        height = pctx->avc_state->sps[sl->id].height;\
                                }\
                        }\
                }\
        }\

OFFS

#define OFFS

(

_n

)

#_n, offsetof(BSSplitCtx, _n)

Function Documentation

match_substream()

static Bool match_substream ( BSSplitOut *  c_opid, u32  layer_id, u32  temporal_id  )

static

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bs_split_svc_add_param()

static void bs_split_svc_add_param ( GF_List *  ps_list, GF_NALUFFParam *  sl  )

static

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bs_split_check_svc_config()

static void bs_split_check_svc_config ( BSSplitIn *  pctx, BSSplitOut *  c_opid  )

static

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bs_split_update_hevc_linf()

static void bs_split_update_hevc_linf ( BSSplitIn *  pctx, BSSplitOut *  c_opid  )

static

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bs_split_copy_props_base()

static void bs_split_copy_props_base ( BSSplitCtx *  ctx, BSSplitOut *  c_opid, GF_FilterPid *  pid, u32  svc_base_id  )

static

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bs_split_get_out_stream()

static BSSplitOut * bs_split_get_out_stream ( BSSplitCtx *  ctx, BSSplitIn *  pctx, Bool  is_config, u32  layer_id, u32  temporal_id, Bool  force_dv  )

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bs_split_svcc_del()

static void bs_split_svcc_del ( GF_AVCConfig *  svcc )

static

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avc_rewrite_pid_config()

static GF_Err avc_rewrite_pid_config ( BSSplitCtx *  ctx, BSSplitIn *  pctx  )

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vvc_hevc_rewrite_pid_config()

static GF_Err vvc_hevc_rewrite_pid_config ( BSSplitCtx *  ctx, BSSplitIn *  pctx  )

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none_rewrite_pid_config()

static GF_Err none_rewrite_pid_config ( BSSplitCtx *  ctx, BSSplitIn *  pctx  )

static

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none_split_packet()

static GF_Err none_split_packet ( BSSplitCtx *  ctx, BSSplitIn *  pctx, GF_FilterPacket *  pck  )

static

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nalu_split_packet()

static GF_Err nalu_split_packet ( BSSplitCtx *  ctx, BSSplitIn *  pctx, GF_FilterPacket *  pck, u32  codec_type  )

static

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avc_split_packet()

static GF_Err avc_split_packet ( BSSplitCtx *  ctx, BSSplitIn *  pctx, GF_FilterPacket *  pck  )

static

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hevc_split_packet()

static GF_Err hevc_split_packet ( BSSplitCtx *  ctx, BSSplitIn *  pctx, GF_FilterPacket *  pck  )

static

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vvc_split_packet()

static GF_Err vvc_split_packet ( BSSplitCtx *  ctx, BSSplitIn *  pctx, GF_FilterPacket *  pck  )

static

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bs_split_reset_stream()

static void bs_split_reset_stream ( GF_Filter *  filter, BSSplitCtx *  ctx, BSSplitIn *  pctx, Bool  is_finalize, Bool  is_reconf  )

static

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bs_split_configure_pid()

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

static

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bs_split_process()

static GF_Err bs_split_process ( GF_Filter *  filter )

static

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bs_split_initialize()

static GF_Err bs_split_initialize ( GF_Filter *  filter )

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bs_split_finalize()

static void bs_split_finalize ( GF_Filter *  filter )

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bssplit_register()

const GF_FilterRegister * bssplit_register

(

GF_FilterSession *

session

)

Variable Documentation

BSSplitArgs

GF_FilterArgs BSSplitArgs[]

static

Initial value:

=
{
        { OFFS(ltid), "temporal and layer ID of output streams", GF_PROP_STRING_LIST, NULL, NULL, 0},
        { OFFS(svcqid), "use qualityID instead of dependencyID for SVC splitting", GF_PROP_BOOL, "false", NULL, 0},
        { OFFS(sig_ltid), "signal maximum temporal (`max_temporal_id`) and layer ID (`max_layer_id`) of output streams (mostly used for debug)", GF_PROP_BOOL, "false", NULL, 0},
        {0}
}

BSSplitCaps

const GF_FilterCapability BSSplitCaps[]

static

Initial value:

=
{
        
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_NONE),
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_DEPENDENCY_ID, 0),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_NONE),
}

BSSplitRegister

GF_FilterRegister BSSplitRegister