Current File : //data/old/usr/local/include/gpac/modules/ipmp.h
/*
* GPAC - Multimedia Framework C SDK
*
* Authors: Jean Le Feuvre
* Copyright (c) Telecom ParisTech 2000-2012
* All rights reserved
*
* This file is part of GPAC / modules interfaces
*
* 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.
*
*/
#ifndef _GF_MODULE_IPMP_H_
#define _GF_MODULE_IPMP_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <gpac/module.h>
/*
NOTE ON IPMP TOOLS
The current implementation is very basic and does not follow MPEG-4 IPMPX architecture
This is just a place holder for ISMA/OMA-like schemes
Currently all operations are synchronous...
*/
enum
{
/*push some configuration data to the IPMP tool*/
GF_IPMP_TOOL_SETUP,
/*request access to the object (eg, PLAY)*/
GF_IPMP_TOOL_GRANT_ACCESS,
/*release access to the object (eg, STOP)*/
GF_IPMP_TOOL_RELEASE_ACCESS,
/*push some configuration data to the IPMP tool*/
GF_IPMP_TOOL_PROCESS_DATA,
};
typedef struct
{
u32 scheme_version;
u32 scheme_type;
const char *scheme_uri;
const char *kms_uri;
} GF_ISMACrypConfig;
typedef struct
{
u32 scheme_version;
u32 scheme_type;
u32 PSSH_count;
GF_NetComDRMConfigPSSH *PSSHs;
} GF_CENCConfig;
typedef struct
{
u32 scheme_version;
u32 scheme_type;
const char *scheme_uri;
const char *kms_uri;
/*SHA-1 hash*/
u8 hash[20];
const char *contentID;
u32 oma_drm_crypt_type;
Bool oma_drm_use_pad, oma_drm_use_hdr;
const char *oma_drm_textual_headers;
u32 oma_drm_textual_headers_len;
} GF_OMADRM2Config;
/*IPMP events*/
typedef struct
{
/*event type*/
u32 event_type;
/*gpac's channel triggering this event, NULL if unknown/unspecified*/
struct _es_channel *channel;
/*identifier of the config data (GF_IPMP_TOOL_SETUP)*/
u32 config_data_code;
/*config data (GF_IPMP_TOOL_SETUP). Type depends on the config_data_code*/
void *config_data;
Bool restart_requested;
/*data manipulation (GF_IPMP_TOOL_PROCESS_DATA) - data is always processed in-place in a
synchronous way*/
char *data;
u32 data_size;
u32 out_data_size;
/*indicates if payload passed is encrypted or not - this is used by ISMA, OMA and 3GP*/
Bool is_encrypted;
/*ISMA payload resync indicator*/
u64 isma_BSO;
/*CENC sample auxiliary information*/
char *sai;
u8 IV_size;
u32 saiz;
//for CENC pattern encryption mode
u8 crypt_byte_block, skip_byte_block;
u8 constant_IV_size;
bin128 constant_IV;
} GF_IPMPEvent;
/*interface name and version for IPMP tools*/
#define GF_IPMP_TOOL_INTERFACE GF_4CC('G','I','P', '1')
typedef struct _ipmp_tool GF_IPMPTool;
struct _ipmp_tool
{
/* interface declaration*/
GF_DECL_MODULE_INTERFACE
/*process an ipmp event*/
GF_Err (*process)(GF_IPMPTool *dr, GF_IPMPEvent *evt);
/*tool private*/
void *udta;
};
#ifdef __cplusplus
}
#endif
#endif /*#define _GF_MODULE_IPMP_H_
*/
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