m3u8.c File Reference

#include <gpac/internal/m3u8.h>
#include <string.h>
#include <stdio.h>
#include <gpac/network.h>

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Data Structures
struct	s_accumulated_attributes

Macros
#define	_GNU_SOURCE
#define	MYLOG(xx)
#define	M3U8_BUF_SIZE   2048

Functions
GF_Err	cleanup_list_of_elements (GF_List *list)
GF_Err	playlist_element_del (PlaylistElement *e)
Program *	program_new (int programId)
GF_Err	program_del (Program *program)
PlaylistElement *	playlist_element_new (PlaylistElementType elementType, const char *url, const char *title, const char *codecs, int durationInfo, u64 byteRangeStart, u64 byteRangeEnd)
VariantPlaylist *	variant_playlist_new ()
GF_Err	variant_playlist_del (VariantPlaylist *playlist)
GF_Err	playlist_element_dump (const PlaylistElement *e, int indent)
GF_Err	variant_playlist_dump (const VariantPlaylist *pl)
Program *	variant_playlist_find_matching_program (const VariantPlaylist *pl, const u32 programId)
Program *	variant_playlist_get_current_program (const VariantPlaylist *pl)
static Bool	safe_start_equals (const char *attribute, const char *line)
static char **	extractAttributes (const char *name, const char *line, const int numberOfAttributes)
static char **	parseAttributes (const char *line, s_accumulated_attributes *attributes)
GF_Err	parse_root_playlist (const char *file, VariantPlaylist **playlist, const char *baseURL)
GF_Err	parse_sub_playlist (const char *file, VariantPlaylist **playlist, const char *baseURL, Program *in_program, PlaylistElement *sub_playlist)

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Data Structure Documentation

struct s_accumulated_attributes

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Data Fields
char *	title
int	durationInSeconds
int	bandwidth
int	width
int	height
int	programId
char *	codecs
int	targetDurationInSeconds
int	minMediaSequence
int	currentMediaSequence
Bool	isVariantPlaylist
Bool	isPlaylistEnded
u64	byteRangeStart
u64	byteRangeEnd

Macro Definition Documentation

#define _GNU_SOURCE

            GPAC - Multimedia Framework C SDK

            Authors: Pierre Souchay, Jean Le Feuvre
            Copyright (c) Telecom ParisTech 2010-2012
                            All rights reserved

This file is part of GPAC

GPAC is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version.

GPAC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

#define MYLOG

(

xx

)

#define M3U8_BUF_SIZE   2048

Function Documentation

GF_Err cleanup_list_of_elements

(

GF_List *

list

)

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GF_Err playlist_element_del

(

PlaylistElement *

)

Creates a new playlist

Returns

NULL if playlist could not be allocated

Playlist * playlist_new(); Deletes a given playlist and all of its sub elements

GF_Err playlist_del(Playlist *); Deletes an Playlist element

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Program* program_new

(

int

programId

)

Creates a new program properly initialized

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GF_Err program_del

(

Program *

program

)

Deletes the specified program

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PlaylistElement* playlist_element_new	(	PlaylistElementType	elementType,
		const char *	url,
		const char *	title,
		const char *	codecs,
		int	durationInfo,
		u64	byteRangeStart,
		u64	byteRangeEnd
	)

Creates an Playlist element. This element can be either a playlist of a stream according to first parameter.

Returns

NULL if element could not be created. Elements will be deleted recusively

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VariantPlaylist* variant_playlist_new

(

)

Creates a new VariantPlaylist

Returns

NULL if VariantPlaylist element could not be allocated

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GF_Err variant_playlist_del

(

VariantPlaylist *

)

Deletes the given VariantPlaylist and all of its sub elements

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GF_Err playlist_element_dump	(	const PlaylistElement *	e,
		int	indent
	)

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GF_Err variant_playlist_dump

(

const VariantPlaylist *

pl

)

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Program* variant_playlist_find_matching_program	(	const VariantPlaylist *	pl,
		const u32	programId
	)

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Program* variant_playlist_get_current_program

(

const VariantPlaylist *

pl

)

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static Bool safe_start_equals ( const char *  attribute, const char *  line  )

static

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static char** extractAttributes ( const char *  name, const char *  line, const int  numberOfAttributes  )

static

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static char** parseAttributes ( const char *  line, s_accumulated_attributes *  attributes  )

static

Parses the attributes and accumulate into the attributes structure

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GF_Err parse_root_playlist	(	const char *	file,
		VariantPlaylist **	playlist,
		const char *	baseURL
	)

Parse the given playlist file

Parameters

file	The file from cache to parse
playlist	The playlist to fill. If argument is null, and file is valid, playlist will be allocated
baseURL	The base URL of the playlist

Returns

GF_OK if playlist valid

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GF_Err parse_sub_playlist	(	const char *	file,
		VariantPlaylist **	playlist,
		const char *	baseURL,
		Program *	in_program,
		PlaylistElement *	sub_playlist
	)

Parse the given playlist file as a subplaylist of an existing playlist

Parameters

file	The file from cache to parse
playlist	The playlist to fill.
baseURL	base URL of the playlist
in_program	in which the playlist is parsed
sub_playlist	existing subplaylist element in the playlist in which the playlist is parsed

Returns

GF_OK if playlist valid

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