avparse.h File Reference

#include <gpac/bitstream.h>

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Data Structures
struct	GF_M4VDecSpecInfo
struct	GF_VorbisParser
struct	GF_M4ADecSpecInfo
struct	GF_AC3Header

Enumerations
enum	{   GF_M4A_AAC_MAIN = 1, GF_M4A_AAC_LC = 2, GF_M4A_AAC_SSR = 3, GF_M4A_AAC_LTP = 4,   GF_M4A_AAC_SBR = 5, GF_M4A_AAC_SCALABLE = 6, GF_M4A_TWINVQ = 7, GF_M4A_CELP = 8,   GF_M4A_HVXC = 9, GF_M4A_TTSI = 12, GF_M4A_MAIN_SYNTHETIC = 13, GF_M4A_WAVETABLE_SYNTHESIS = 14,   GF_M4A_GENERAL_MIDI = 15, GF_M4A_ALGO_SYNTH_AUDIO_FX = 16, GF_M4A_ER_AAC_LC = 17, GF_M4A_ER_AAC_LTP = 19,   GF_M4A_ER_AAC_SCALABLE = 20, GF_M4A_ER_TWINVQ = 21, GF_M4A_ER_BSAC = 22, GF_M4A_ER_AAC_LD = 23,   GF_M4A_ER_CELP = 24, GF_M4A_ER_HVXC = 25, GF_M4A_ER_HILN = 26, GF_M4A_ER_PARAMETRIC = 27,   GF_M4A_SSC = 28, GF_M4A_AAC_PS = 29, GF_M4A_LAYER1 = 32, GF_M4A_LAYER2 = 33,   GF_M4A_LAYER3 = 34, GF_M4A_DST = 35, GF_M4A_ALS = 36 }

Functions
GF_M4VParser *	gf_m4v_parser_new (char *data, u64 data_size, Bool mpeg12video)
GF_M4VParser *	gf_m4v_parser_bs_new (GF_BitStream *bs, Bool mpeg12video)
void	gf_m4v_parser_del (GF_M4VParser *m4v)
GF_Err	gf_m4v_parse_config (GF_M4VParser *m4v, GF_M4VDecSpecInfo *dsi)
GF_Err	gf_m4v_parse_frame (GF_M4VParser *m4v, GF_M4VDecSpecInfo dsi, u8 *frame_type, u32 *time_inc, u64 *size, u64 *start, Bool *is_coded)
u64	gf_m4v_get_object_start (GF_M4VParser *m4v)
Bool	gf_m4v_is_valid_object_type (GF_M4VParser *m4v)
GF_Err	gf_m4v_get_config (char *rawdsi, u32 rawdsi_size, GF_M4VDecSpecInfo *dsi)
void	gf_m4v_rewrite_pl (char **io_dsi, u32 *io_dsi_len, u8 PL)
GF_Err	gf_m4v_rewrite_par (char **o_data, u32 *o_dataLen, s32 par_n, s32 par_d)
const char *	gf_m4v_get_profile_name (u8 video_pl)
s32	gf_mv12_next_start_code (unsigned char *pbuffer, u32 buflen, u32 *optr, u32 *scode)
s32	gf_mv12_next_slice_start (unsigned char *pbuffer, u32 startoffset, u32 buflen, u32 *slice_offset)
u8	gf_mp3_num_channels (u32 hdr)
u16	gf_mp3_sampling_rate (u32 hdr)
u16	gf_mp3_window_size (u32 hdr)
u32	gf_mp3_bit_rate (u32 hdr)
u8	gf_mp3_object_type_indication (u32 hdr)
u8	gf_mp3_layer (u32 hdr)
u16	gf_mp3_frame_size (u32 hdr)
u32	gf_mp3_get_next_header (FILE *in)
u32	gf_mp3_get_next_header_mem (const char *buffer, u32 size, u32 *pos)
u8	gf_mp3_version (u32 hdr)
const char *	gf_mp3_version_name (u32 hdr)
Bool	gf_vorbis_parse_header (GF_VorbisParser *vp, char *data, u32 data_len)
u32	gf_vorbis_check_frame (GF_VorbisParser *vp, char *data, u32 data_length)
GF_Err	gf_m4a_get_config (char *dsi, u32 dsi_size, GF_M4ADecSpecInfo *cfg)
u32	gf_m4a_get_profile (GF_M4ADecSpecInfo *cfg)
GF_Err	gf_m4a_write_config (GF_M4ADecSpecInfo *cfg, char **dsi, u32 *dsi_size)
GF_Err	gf_m4a_write_config_bs (GF_BitStream *bs, GF_M4ADecSpecInfo *cfg)
GF_Err	gf_m4a_parse_config (GF_BitStream *bs, GF_M4ADecSpecInfo *cfg, Bool size_known)
const char *	gf_m4a_object_type_name (u32 objectType)
const char *	gf_m4a_get_profile_name (u8 audio_pl)
Bool	gf_ac3_parser (u8 *buffer, u32 buffer_size, u32 *pos, GF_AC3Header *out_hdr, Bool full_parse)
Bool	gf_ac3_parser_bs (GF_BitStream *bs, GF_AC3Header *hdr, Bool full_parse)
u32	gf_ac3_get_channels (u32 acmod)
u32	gf_ac3_get_bitrate (u32 brcode)
GF_Err	gf_avc_get_sps_info (char *sps, u32 sps_size, u32 *sps_id, u32 *width, u32 *height, s32 *par_n, s32 *par_d)
GF_Err	gf_avc_get_pps_info (char *pps, u32 pps_size, u32 *pps_id, u32 *sps_id)
const char *	gf_avc_get_profile_name (u8 video_prof)
GF_Err	gf_hevc_get_sps_info (char *sps_data, u32 sps_size, u32 *sps_id, u32 *width, u32 *height, s32 *par_n, s32 *par_d)
const char *	gf_hevc_get_profile_name (u8 video_prof)
void	gf_img_parse (GF_BitStream *bs, u8 *OTI, u32 *mtype, u32 *width, u32 *height, char **dsi, u32 *dsi_len)
GF_Err	gf_img_jpeg_dec (char *jpg, u32 jpg_size, u32 *width, u32 *height, u32 *pixel_format, char *dst, u32 *dst_size, u32 dst_nb_comp)
GF_Err	gf_img_png_dec (char *png, u32 png_size, u32 *width, u32 *height, u32 *pixel_format, char *dst, u32 *dst_size)
GF_Err	gf_img_file_dec (char *png_file, u32 *oti, u32 *width, u32 *height, u32 *pixel_format, char **dst, u32 *dst_size)
GF_Err	gf_img_png_enc (char *data, u32 width, u32 height, s32 stride, u32 pixel_format, char *dst, u32 *dst_size)

Variables
static const u32	GF_M4ASampleRates []

---

Data Structure Documentation

struct GF_M4VDecSpecInfo

Collaboration diagram for GF_M4VDecSpecInfo:

Data Fields
u8	VideoPL
u8	RAP_stream
u8	objectType
u8	has_shape
u8	enh_layer
u16	width
u16	height
u8	par_num
u8	par_den
u16	clock_rate
u8	NumBitsTimeIncrement
u32	time_increment
Double	fps

struct GF_VorbisParser

Collaboration diagram for GF_VorbisParser:

Data Fields
u32	sample_rate
u32	channels
u32	version
s32	max_r
s32	avg_r
s32	low_r
u32	min_block
u32	max_block
Bool	is_init
u32	modebits
Bool	mode_flag[64]

struct GF_M4ADecSpecInfo

Collaboration diagram for GF_M4ADecSpecInfo:

Data Fields
u32	nb_chan
u32	base_object_type
u32	base_sr
u32	base_sr_index
Bool	has_sbr
u32	sbr_object_type
u32	sbr_sr
u32	sbr_sr_index
Bool	has_ps
u8	audioPL

struct GF_AC3Header

Collaboration diagram for GF_AC3Header:

Data Fields
u32	bitrate
u32	sample_rate
u32	framesize
u32	channels
u8	fscod
u8	bsid
u8	bsmod
u8	acmod
u8	lfon
u8	brcode

Enumeration Type Documentation

anonymous enum

defined(GPAC_DISABLE_AV_PARSERS) && !defined (GPAC_DISABLE_OGG)

Enumerator
GF_M4A_AAC_MAIN
GF_M4A_AAC_LC
GF_M4A_AAC_SSR
GF_M4A_AAC_LTP
GF_M4A_AAC_SBR
GF_M4A_AAC_SCALABLE
GF_M4A_TWINVQ
GF_M4A_CELP
GF_M4A_HVXC
GF_M4A_TTSI
GF_M4A_MAIN_SYNTHETIC
GF_M4A_WAVETABLE_SYNTHESIS
GF_M4A_GENERAL_MIDI
GF_M4A_ALGO_SYNTH_AUDIO_FX
GF_M4A_ER_AAC_LC
GF_M4A_ER_AAC_LTP
GF_M4A_ER_AAC_SCALABLE
GF_M4A_ER_TWINVQ
GF_M4A_ER_BSAC
GF_M4A_ER_AAC_LD
GF_M4A_ER_CELP
GF_M4A_ER_HVXC
GF_M4A_ER_HILN
GF_M4A_ER_PARAMETRIC
GF_M4A_SSC
GF_M4A_AAC_PS
GF_M4A_LAYER1
GF_M4A_LAYER2
GF_M4A_LAYER3
GF_M4A_DST
GF_M4A_ALS

Function Documentation

GF_M4VParser* gf_m4v_parser_new	(	char *	data,
		u64	data_size,
		Bool	mpeg12video
	)

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GF_M4VParser* gf_m4v_parser_bs_new	(	GF_BitStream *	bs,
		Bool	mpeg12video
	)

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void gf_m4v_parser_del

(

GF_M4VParser *

m4v

)

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GF_Err gf_m4v_parse_config	(	GF_M4VParser *	m4v,
		GF_M4VDecSpecInfo *	dsi
	)

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GF_Err gf_m4v_parse_frame	(	GF_M4VParser *	m4v,
		GF_M4VDecSpecInfo	dsi,
		u8 *	frame_type,
		u32 *	time_inc,
		u64 *	size,
		u64 *	start,
		Bool *	is_coded
	)

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u64 gf_m4v_get_object_start

(

GF_M4VParser *

m4v

)

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Bool gf_m4v_is_valid_object_type

(

GF_M4VParser *

m4v

)

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GF_Err gf_m4v_get_config	(	char *	rawdsi,
		u32	rawdsi_size,
		GF_M4VDecSpecInfo *	dsi
	)

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void gf_m4v_rewrite_pl	(	char **	io_dsi,
		u32 *	io_dsi_len,
		u8	PL
	)

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GF_Err gf_m4v_rewrite_par	(	char **	o_data,
		u32 *	o_dataLen,
		s32	par_n,
		s32	par_d
	)

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const char* gf_m4v_get_profile_name

(

u8

video_pl

)

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s32 gf_mv12_next_start_code	(	unsigned char *	pbuffer,
		u32	buflen,
		u32 *	optr,
		u32 *	scode
	)

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s32 gf_mv12_next_slice_start	(	unsigned char *	pbuffer,
		u32	startoffset,
		u32	buflen,
		u32 *	slice_offset
	)

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u8 gf_mp3_num_channels

(

u32

hdr

)

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u16 gf_mp3_sampling_rate

(

u32

hdr

)

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u16 gf_mp3_window_size

(

u32

hdr

)

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u32 gf_mp3_bit_rate

(

u32

hdr

)

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u8 gf_mp3_object_type_indication

(

u32

hdr

)

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u8 gf_mp3_layer

(

u32

hdr

)

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u16 gf_mp3_frame_size

(

u32

hdr

)

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u32 gf_mp3_get_next_header

(

FILE *

in

)

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u32 gf_mp3_get_next_header_mem	(	const char *	buffer,
		u32	size,
		u32 *	pos
	)

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u8 gf_mp3_version

(

u32

hdr

)

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const char* gf_mp3_version_name

(

u32

hdr

)

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Bool gf_vorbis_parse_header	(	GF_VorbisParser *	vp,
		char *	data,
		u32	data_len
	)

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u32 gf_vorbis_check_frame	(	GF_VorbisParser *	vp,
		char *	data,
		u32	data_length
	)

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GF_Err gf_m4a_get_config	(	char *	dsi,
		u32	dsi_size,
		GF_M4ADecSpecInfo *	cfg
	)

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u32 gf_m4a_get_profile

(

GF_M4ADecSpecInfo *

cfg

)

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GF_Err gf_m4a_write_config	(	GF_M4ADecSpecInfo *	cfg,
		char **	dsi,
		u32 *	dsi_size
	)

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GF_Err gf_m4a_write_config_bs	(	GF_BitStream *	bs,
		GF_M4ADecSpecInfo *	cfg
	)

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GF_Err gf_m4a_parse_config	(	GF_BitStream *	bs,
		GF_M4ADecSpecInfo *	cfg,
		Bool	size_known
	)

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const char* gf_m4a_object_type_name

(

u32

objectType

)

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const char* gf_m4a_get_profile_name

(

u8

audio_pl

)

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Bool gf_ac3_parser	(	u8 *	buffer,
		u32	buffer_size,
		u32 *	pos,
		GF_AC3Header *	out_hdr,
		Bool	full_parse
	)

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Bool gf_ac3_parser_bs	(	GF_BitStream *	bs,
		GF_AC3Header *	hdr,
		Bool	full_parse
	)

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u32 gf_ac3_get_channels

(

u32

acmod

)

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u32 gf_ac3_get_bitrate

(

u32

brcode

)

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GF_Err gf_avc_get_sps_info	(	char *	sps,
		u32	sps_size,
		u32 *	sps_id,
		u32 *	width,
		u32 *	height,
		s32 *	par_n,
		s32 *	par_d
	)

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GF_Err gf_avc_get_pps_info	(	char *	pps,
		u32	pps_size,
		u32 *	pps_id,
		u32 *	sps_id
	)

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const char* gf_avc_get_profile_name

(

u8

video_prof

)

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GF_Err gf_hevc_get_sps_info	(	char *	sps_data,
		u32	sps_size,
		u32 *	sps_id,
		u32 *	width,
		u32 *	height,
		s32 *	par_n,
		s32 *	par_d
	)

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const char* gf_hevc_get_profile_name

(

u8

video_prof

)

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void gf_img_parse	(	GF_BitStream *	bs,
		u8 *	OTI,
		u32 *	mtype,
		u32 *	width,
		u32 *	height,
		char **	dsi,
		u32 *	dsi_len
	)

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GF_Err gf_img_jpeg_dec	(	char *	jpg,
		u32	jpg_size,
		u32 *	width,
		u32 *	height,
		u32 *	pixel_format,
		char *	dst,
		u32 *	dst_size,
		u32	dst_nb_comp
	)

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GF_Err gf_img_png_dec	(	char *	png,
		u32	png_size,
		u32 *	width,
		u32 *	height,
		u32 *	pixel_format,
		char *	dst,
		u32 *	dst_size
	)

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GF_Err gf_img_file_dec	(	char *	png_file,
		u32 *	oti,
		u32 *	width,
		u32 *	height,
		u32 *	pixel_format,
		char **	dst,
		u32 *	dst_size
	)

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GF_Err gf_img_png_enc	(	char *	data,
		u32	width,
		u32	height,
		s32	stride,
		u32	pixel_format,
		char *	dst,
		u32 *	dst_size
	)

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Variable Documentation

const u32 GF_M4ASampleRates[]

static

Initial value:

=
{
    96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 
        16000, 12000, 11025, 8000, 7350, 0, 0, 0
}