reframe_mp3.c File Reference

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

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Data Structures
struct	MP3Idx
struct	GF_MP3DmxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(GF_MP3DmxCtx, _n)

Functions
GF_Err	mp3_dmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static void	mp3_dmx_check_dur (GF_Filter *filter, GF_MP3DmxCtx *ctx)
static void	id3dmx_set_string (GF_FilterPid *apid, char *name, u8 *buf, Bool is_dyn)
void	id3dmx_flush (GF_Filter *filter, u8 *id3_buf, u32 id3_buf_size, GF_FilterPid *audio_pid, GF_FilterPid **video_pid_p)
static void	mp3_dmx_flush_id3 (GF_Filter *filter, GF_MP3DmxCtx *ctx)
static void	mp3_dmx_check_pid (GF_Filter *filter, GF_MP3DmxCtx *ctx)
static Bool	mp3_dmx_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static GFINLINE void	mp3_dmx_update_cts (GF_MP3DmxCtx *ctx)
GF_Err	mp3_dmx_process (GF_Filter *filter)
static GF_Err	mp3_dmx_initialize (GF_Filter *filter)
static void	mp3_dmx_finalize (GF_Filter *filter)
static const char *	mp3_dmx_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	rfmp3_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	MP3DmxCaps []
static const GF_FilterArgs	MP3DmxArgs []
GF_FilterRegister	MP3DmxRegister

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Data Structure Documentation

MP3Idx

struct MP3Idx

Data Fields
u64	pos
Double	duration

GF_MP3DmxCtx

struct GF_MP3DmxCtx

Collaboration diagram for GF_MP3DmxCtx:

Data Fields
Double	index
Bool	expart
Bool	forcemp3
GF_FilterPid *	ipid
GF_FilterPid *	opid
GF_BitStream *	bs
u64	file_pos
u64	cts
u64	prev_cts
u32	sr
u32	nb_ch
u32	codecid
GF_Fraction64	duration
Double	start_range
Bool	in_seek
u32	timescale
Bool	is_playing
Bool	is_file
Bool	initial_play_done
Bool	file_loaded
u32	hdr
u8 *	mp3_buffer
u32	mp3_buffer_size
u32	mp3_buffer_alloc
u32	resume_from
u64	byte_offset
GF_FilterPacket *	src_pck
Bool	recompute_cts
MP3Idx *	indexes
u32	index_alloc_size
u32	index_size
u32	tag_size
u8 *	id3_buffer
u32	id3_buffer_size
u32	id3_buffer_alloc
GF_FilterPid *	vpid
Bool	copy_props
Bool	is_sync

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_MP3DmxCtx, _n)

Function Documentation

mp3_dmx_configure_pid()

GF_Err mp3_dmx_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

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mp3_dmx_check_dur()

static void mp3_dmx_check_dur ( GF_Filter *  filter, GF_MP3DmxCtx *  ctx  )

static

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id3dmx_set_string()

static void id3dmx_set_string ( GF_FilterPid *  apid, char *  name, u8 *  buf, Bool  is_dyn  )

static

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id3dmx_flush()

void id3dmx_flush	(	GF_Filter *	filter,
		u8 *	id3_buf,
		u32	id3_buf_size,
		GF_FilterPid *	audio_pid,
		GF_FilterPid **	video_pid_p
	)

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mp3_dmx_flush_id3()

static void mp3_dmx_flush_id3 ( GF_Filter *  filter, GF_MP3DmxCtx *  ctx  )

static

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mp3_dmx_check_pid()

static void mp3_dmx_check_pid ( GF_Filter *  filter, GF_MP3DmxCtx *  ctx  )

static

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mp3_dmx_process_event()

static Bool mp3_dmx_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

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mp3_dmx_update_cts()

static GFINLINE void mp3_dmx_update_cts ( GF_MP3DmxCtx *  ctx )

static

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mp3_dmx_process()

GF_Err mp3_dmx_process

(

GF_Filter *

filter

)

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mp3_dmx_initialize()

static GF_Err mp3_dmx_initialize ( GF_Filter *  filter )

static

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mp3_dmx_finalize()

static void mp3_dmx_finalize ( GF_Filter *  filter )

static

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mp3_dmx_probe_data()

static const char* mp3_dmx_probe_data ( const u8 *  data, u32  size, GF_FilterProbeScore *  score  )

static

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rfmp3_register()

const GF_FilterRegister* rfmp3_register

(

GF_FilterSession *

session

)

Variable Documentation

MP3DmxCaps

const GF_FilterCapability MP3DmxCaps[]

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, "mp3|mp2|mp1"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "audio/mp3|audio/x-mp3"),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_MPEG_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_MPEG2_PART3),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_MPEG_AUDIO_L1),
        CAP_BOOL(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_BOOL(GF_CAPS_INPUT,GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG_AUDIO),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG2_PART3),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,GF_PROP_PID_CODECID, GF_CODECID_MPEG_AUDIO_L1),
        CAP_BOOL(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
 
}

MP3DmxArgs

const GF_FilterArgs MP3DmxArgs[]

static

Initial value:

=
{
        { OFFS(index), "indexing window length", GF_PROP_DOUBLE, "1.0", NULL, 0},
        { OFFS(expart), "expose pictures as a dedicated video PID", GF_PROP_BOOL, "false", NULL, 0},
        { OFFS(forcemp3), "force mp3 signaling for MPEG-2 Audio layer 3", GF_PROP_BOOL, "true", NULL, GF_ARG_HINT_EXPERT},
        {0}
}

MP3DmxRegister

GF_FilterRegister MP3DmxRegister

Initial value:

= {
        .name = "rfmp3",
 
 
        .private_size = sizeof(GF_MP3DmxCtx),
        .args = MP3DmxArgs,
        .initialize = mp3_dmx_initialize,
        .finalize = mp3_dmx_finalize,
        SETCAPS(MP3DmxCaps),
        .configure_pid = mp3_dmx_configure_pid,
        .process = mp3_dmx_process,
        .probe_data = mp3_dmx_probe_data,
        .process_event = mp3_dmx_process_event,
        .hint_class_type = GF_FS_CLASS_FRAMING
}