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/*
Copyright (C) 2006 Adam Charrett
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
pids.h
Manage PIDs.
*/
#ifndef _PIDS_H
#define _PIDS_H
#include <stdint.h>
#ifndef _DVBPSI_DESCRIPTOR_H_
#include <dvbpsi/descriptor.h>
#endif
#include "types.h"
#include "multiplexes.h"
#include "services.h"
#define PID_MASK (0x1fff)
#define PID_STUFFING (0x1fff)
#define PID_ALL (0x2000)
#define PID_INVALID (0xFFFF)
/**
* Structure describing a PID used by a program.
*/
typedef struct StreamInfo_t
{
int pid; /**< PID in question. */
int type; /**< Type of data this PID is used to transmit. */
dvbpsi_descriptor_t *descriptors; /**< Linked list of descriptors for this stream */
}StreamInfo_t;
/**
* Structure used to store a collection of streams for a specific program.
*/
typedef struct StreamInfoList_t
{
int nrofStreams; /**< Number of streams in the streams array */
StreamInfo_t streams[0]; /**< Array of streams. */
}StreamInfoList_t;
/**
* Structure describing a program (MPEG2).
*/
typedef struct ProgramInfo_s
{
dvbpsi_descriptor_t *descriptors; /**< Linked list of descriptors from PMT */
int pcrPID; /**< PCR PID */
StreamInfoList_t *streamInfoList; /**< List of streams for this program */
}ProgramInfo_t;
/**
* Create a ProgramInfo object with the specified number of entries for streams.
* @param nrofStreams Number of streams to allocate.
* @return A new ProgramInfo_t structure or null.
*/
ProgramInfo_t *ProgramInfoNew(int nrofStreams);
/**
* Set the ProgramInfo for the specified service.
*
* @param service The service the pids belong to.
* @param info The program info to set for the service.
* @return 0 on success otherwise an sqlite3 error code.
*/
int ProgramInfoSet(Service_t *service, ProgramInfo_t *info);
/**
* Retrieve the ProgramInfo for the specified service.
* @param service The service to retrieve the pids for.
* @return A ProgramInfo_t structure or null if no PIDs could be retreieved.
*/
ProgramInfo_t *ProgramInfoGet(Service_t *service);
/**
* Remove all pids for the specified service.
* @param service The service to remove pids from.
* @return 0 on success otherwise an sqlite3 error code.
*/
int ProgramInfoRemove(Service_t *service);
#endif
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