reframe_ac4.c File Reference

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

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Data Structures
struct	AC4Idx
struct	GF_AC4DmxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(GF_AC4DmxCtx, _n)

Functions
GF_Err	ac4dmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static void	ac4dmx_check_dur (GF_Filter *filter, GF_AC4DmxCtx *ctx)
static void	ac4dmx_check_pid (GF_Filter *filter, GF_AC4DmxCtx *ctx)
static Bool	ac4dmx_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
GF_Err	ac4dmx_process (GF_Filter *filter)
static void	ac4dmx_finalize (GF_Filter *filter)
static const char *	ac4dmx_probe_data (const u8 *_data, u32 _size, GF_FilterProbeScore *score)
const GF_FilterRegister *	rfac4_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	AC4DmxCaps []
static const GF_FilterArgs	AC4DmxArgs []
GF_FilterRegister	AC4DmxRegister

---

Data Structure Documentation

AC4Idx

struct AC4Idx

Data Fields
u64	pos
Double	duration

GF_AC4DmxCtx

struct GF_AC4DmxCtx

Collaboration diagram for GF_AC4DmxCtx:

Data Fields
GF_FilterPid *	ipid
GF_FilterPid *	opid
GF_BitStream *	bs
u64	file_pos
u64	cts
u32	sample_rate
u32	nb_ch
GF_Fraction64	duration
Double	start_range
Bool	in_seek
u32	in_timescale
u32	out_timescale
GF_AC4Config	hdr
u8 *	ac4_buffer
u32	ac4_buffer_size
u32	ac4_buffer_alloc
u32	resume_from
Bool	is_playing
Bool	is_file
Bool	file_loaded
Bool	initial_play_done
GF_FilterPacket *	src_pck
AC4Idx *	indexes
u32	index_alloc_size
u32	index_size
u32	bitrate
Bool	copy_props

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_AC4DmxCtx, _n)

Function Documentation

ac4dmx_configure_pid()

GF_Err ac4dmx_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

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ac4dmx_check_dur()

static void ac4dmx_check_dur ( GF_Filter *  filter, GF_AC4DmxCtx *  ctx  )

static

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ac4dmx_check_pid()

static void ac4dmx_check_pid ( GF_Filter *  filter, GF_AC4DmxCtx *  ctx  )

static

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ac4dmx_process_event()

static Bool ac4dmx_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

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ac4dmx_process()

GF_Err ac4dmx_process

(

GF_Filter *

filter

)

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ac4dmx_finalize()

static void ac4dmx_finalize ( GF_Filter *  filter )

static

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ac4dmx_probe_data()

static const char * ac4dmx_probe_data ( const u8 *  _data, u32  _size, GF_FilterProbeScore *  score  )

static

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rfac4_register()

const GF_FilterRegister * rfac4_register

(

GF_FilterSession *

session

)

Variable Documentation

AC4DmxCaps

const GF_FilterCapability AC4DmxCaps[]

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, "ac4"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "audio/x-ac4|audio/ac4"),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT_STATIC, GF_PROP_PID_CODECID, GF_CODECID_AC4),
        CAP_BOOL(GF_CAPS_OUTPUT_STATIC_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_FALSE),
        {0},
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_AC4),
        CAP_BOOL(GF_CAPS_INPUT,GF_PROP_PID_UNFRAMED, GF_TRUE),
 
 
}

AC4DmxArgs

const GF_FilterArgs AC4DmxArgs[]

static

Initial value:

=
{
        {0}
}

AC4DmxRegister

GF_FilterRegister AC4DmxRegister

Initial value:

= {
        .name = "rfac4",
 
 
        .private_size = sizeof(GF_AC4DmxCtx),
        .args = AC4DmxArgs,
        .finalize = ac4dmx_finalize,
        SETCAPS(AC4DmxCaps),
        .configure_pid = ac4dmx_configure_pid,
        .process = ac4dmx_process,
        .probe_data = ac4dmx_probe_data,
        .process_event = ac4dmx_process_event,
        .hint_class_type = GF_FS_CLASS_FRAMING
}