reframe_av1.c File Reference

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

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Data Structures
struct	AV1Idx
struct	GF_AV1DmxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(GF_AV1DmxCtx, _n)

Enumerations
enum	AV1BitstreamSyntax {   NOT_SET , OBUs , AnnexB , IVF ,   RAW_VPX , IAMF , UNSUPPORTED }

Functions
GF_Err	av1dmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
GF_Err	av1dmx_check_format (GF_Filter *filter, GF_AV1DmxCtx *ctx, GF_BitStream *bs, u32 *last_obu_end)
GF_Err	gf_bs_set_logger (GF_BitStream *bs, void(*on_bs_log)(void *udta, const char *field_name, u32 nb_bits, u64 field_val, s32 idx1, s32 idx2, s32 idx3), void *udta)
static void	av1dmx_bs_log (void *udta, const char *field_name, u32 nb_bits, u64 field_val, s32 idx1, s32 idx2, s32 idx3)
static void	av1dmx_check_dur (GF_Filter *filter, GF_AV1DmxCtx *ctx)
static Bool	av1dmx_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static GFINLINE void	av1dmx_update_cts (GF_AV1DmxCtx *ctx)
static void	av1dmx_check_pid (GF_Filter *filter, GF_AV1DmxCtx *ctx)
GF_Err	av1dmx_parse_ivf (GF_Filter *filter, GF_AV1DmxCtx *ctx)
GF_Err	av1dmx_parse_vp9 (GF_Filter *filter, GF_AV1DmxCtx *ctx)
static GF_Err	av1dmx_parse_flush_sample (GF_Filter *filter, GF_AV1DmxCtx *ctx)
GF_Err	av1dmx_parse_av1 (GF_Filter *filter, GF_AV1DmxCtx *ctx)
GF_Err	av1dmx_parse_iamf (GF_Filter *filter, GF_AV1DmxCtx *ctx)
GF_Err	av1dmx_process_buffer (GF_Filter *filter, GF_AV1DmxCtx *ctx, const char *data, u32 data_size, Bool is_copy)
GF_Err	av1dmx_process (GF_Filter *filter)
static GF_Err	av1dmx_initialize (GF_Filter *filter)
static void	av1dmx_finalize (GF_Filter *filter)
static const char *	av1dmx_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	rfav1_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	AV1DmxCaps []
static const GF_FilterArgs	AV1DmxArgs []
GF_FilterRegister	AV1DmxRegister

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Data Structure Documentation

AV1Idx

struct AV1Idx

Data Fields
u64	pos
Double	duration

GF_AV1DmxCtx

struct GF_AV1DmxCtx

Collaboration diagram for GF_AV1DmxCtx:

Data Fields
GF_Fraction	fps
Double	index
Bool	importer
Bool	deps
Bool	notime
Bool	temporal_delim
u32	bsdbg
GF_FilterPid *	ipid
GF_FilterPid *	opid
AV1BitstreamSyntax	bsmode
GF_BitStream *	bs
u64	cts
u32	width
u32	height
GF_Fraction64	duration
Double	start_range
Bool	in_seek
u32	timescale
GF_Fraction	cur_fps
u32	resume_from
char *	buffer
u32	buf_size
u32	alloc_size
u32	file_hdr_size
Bool	is_av1
Bool	is_vp9
Bool	is_iamf
u32	codecid
u32	num_frames
GF_VPConfig *	vp_cfg
Bool	is_playing
Bool	is_file
Bool	file_loaded
Bool	initial_play_done
GF_FilterPacket *	src_pck
AV1Idx *	indexes
u32	index_alloc_size
u32	index_size
AV1State	state
IAMFState	iamfstate
u32	dsi_crc
Bool	pts_from_file
u64	cumulated_dur
u64	last_pts
u32	bitrate
u32	clli_crc
u32	mdcv_crc
Bool	copy_props
GF_SEILoader *	sei_loader

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_AV1DmxCtx, _n)

Enumeration Type Documentation

AV1BitstreamSyntax

enum AV1BitstreamSyntax

Enumerator
NOT_SET
OBUs
AnnexB
IVF
RAW_VPX
IAMF
UNSUPPORTED

Function Documentation

av1dmx_configure_pid()

GF_Err av1dmx_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

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av1dmx_check_format()

GF_Err av1dmx_check_format	(	GF_Filter *	filter,
		GF_AV1DmxCtx *	ctx,
		GF_BitStream *	bs,
		u32 *	last_obu_end
	)

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gf_bs_set_logger()

GF_Err gf_bs_set_logger	(	GF_BitStream *	bs,
		void(*)(void *udta, const char *field_name, u32 nb_bits, u64 field_val, s32 idx1, s32 idx2, s32 idx3)	on_bs_log,
		void *	udta
	)

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av1dmx_bs_log()

static void av1dmx_bs_log ( void *  udta, const char *  field_name, u32  nb_bits, u64  field_val, s32  idx1, s32  idx2, s32  idx3  )

static

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av1dmx_check_dur()

static void av1dmx_check_dur ( GF_Filter *  filter, GF_AV1DmxCtx *  ctx  )

static

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av1dmx_process_event()

static Bool av1dmx_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

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av1dmx_update_cts()

static GFINLINE void av1dmx_update_cts ( GF_AV1DmxCtx *  ctx )

static

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av1dmx_check_pid()

static void av1dmx_check_pid ( GF_Filter *  filter, GF_AV1DmxCtx *  ctx  )

static

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av1dmx_parse_ivf()

GF_Err av1dmx_parse_ivf	(	GF_Filter *	filter,
		GF_AV1DmxCtx *	ctx
	)

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av1dmx_parse_vp9()

GF_Err av1dmx_parse_vp9	(	GF_Filter *	filter,
		GF_AV1DmxCtx *	ctx
	)

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av1dmx_parse_flush_sample()

static GF_Err av1dmx_parse_flush_sample ( GF_Filter *  filter, GF_AV1DmxCtx *  ctx  )

static

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av1dmx_parse_av1()

GF_Err av1dmx_parse_av1	(	GF_Filter *	filter,
		GF_AV1DmxCtx *	ctx
	)

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av1dmx_parse_iamf()

GF_Err av1dmx_parse_iamf	(	GF_Filter *	filter,
		GF_AV1DmxCtx *	ctx
	)

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av1dmx_process_buffer()

GF_Err av1dmx_process_buffer	(	GF_Filter *	filter,
		GF_AV1DmxCtx *	ctx,
		const char *	data,
		u32	data_size,
		Bool	is_copy
	)

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av1dmx_process()

GF_Err av1dmx_process

(

GF_Filter *

filter

)

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av1dmx_initialize()

static GF_Err av1dmx_initialize ( GF_Filter *  filter )

static

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av1dmx_finalize()

static void av1dmx_finalize ( GF_Filter *  filter )

static

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av1dmx_probe_data()

static const char * av1dmx_probe_data ( const u8 *  data, u32  size, GF_FilterProbeScore *  score  )

static

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rfav1_register()

const GF_FilterRegister * rfav1_register

(

GF_FilterSession *

session

)

Variable Documentation

AV1DmxCaps

const GF_FilterCapability AV1DmxCaps[]

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, "ivf|obu|av1b|av1"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "video/x-ivf|video/av1"),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_AV1),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_VP8),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_VP9),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_VP10),
        CAP_BOOL(GF_CAPS_OUTPUT_STATIC_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_AV1),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_VP8),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_VP9),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_VP10),
        CAP_BOOL(GF_CAPS_INPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_FILE_EXT, "obu|iamf"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "audio/iamf"),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_IAMF),
        CAP_BOOL(GF_CAPS_OUTPUT_STATIC_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_CODECID, GF_CODECID_IAMF),
        CAP_BOOL(GF_CAPS_INPUT, GF_PROP_PID_UNFRAMED, GF_TRUE),
}

AV1DmxArgs

const GF_FilterArgs AV1DmxArgs[]

static

Initial value:

=
{
        { OFFS(fps), "import frame rate (0 default to FPS from bitstream or 25 Hz)", GF_PROP_FRACTION, "0/1000", NULL, 0},
        { OFFS(index), "indexing window length. If 0, bitstream is not probed for duration. A negative value skips the indexing if the source file is larger than 20M (slows down importers) unless a play with start range > 0 is issued", GF_PROP_DOUBLE, "-1.0", NULL, 0},
 
        { OFFS(importer), "compatibility with old importer", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(deps), "import sample dependency information", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(notime), "ignore input timestamps, rebuild from 0", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(temporal_delim), "keep temporal delimiters in reconstructed frames", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
 
 
        { OFFS(bsdbg), "debug OBU parsing in `media@debug logs\n"
                "- off: not enabled\n"
                "- on: enabled\n"
                "- full: enable with number of bits dumped", GF_PROP_UINT, "off", "off|on|full", GF_FS_ARG_HINT_EXPERT},
        {0}
}

AV1DmxRegister

GF_FilterRegister AV1DmxRegister

Initial value:

= {
        .name = "rfav1",
 
        GF_FS_SET_HELP("This filter parses AV1 OBU, AV1 AnnexB or IVF with AV1 or VP9 files/data and outputs corresponding visual PID and frames. "
                       "It also parses IAMF OBU and outputs corresponding temporal units containing audio frames and parameter blocks.")
        .private_size = sizeof(GF_AV1DmxCtx),
        .args = AV1DmxArgs,
        .initialize = av1dmx_initialize,
        .finalize = av1dmx_finalize,
        SETCAPS(AV1DmxCaps),
        .configure_pid = av1dmx_configure_pid,
        .process = av1dmx_process,
        .probe_data = av1dmx_probe_data,
        .process_event = av1dmx_process_event,
        .hint_class_type = GF_FS_CLASS_FRAMING
}