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Commit 229217b9 authored by Jean-Paul Saman's avatar Jean-Paul Saman
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examples/decode_mpeg.c: remove outdated example 

This example application has been superseeded by dvbinfo example.
parent da0c5e38
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examples/Makefile.am
View file @ 229217b9
......@@ -3,7 +3,7 @@
SUBDIRS = dvbinfo
DIST_SUBDIRS = $(SUBDIRS)
noinst_PROGRAMS = decode_pat decode_pmt get_pcr_pid decode_sdt decode_mpeg decode_bat dump_pids check_cc_pid
noinst_PROGRAMS = decode_pat decode_pmt get_pcr_pid decode_sdt decode_bat dump_pids check_cc_pid
dump_pids_SOURCES = dump_pids.c
dump_pids_CPPFLAGS =
......@@ -29,13 +29,6 @@ decode_sdt_SOURCES = decode_sdt.c
decode_sdt_CPPFLAGS = -DDVBPSI_DIST
decode_sdt_LDFLAGS = -L../src -ldvbpsi
decode_mpeg_SOURCES = decode_mpeg.c
if HAVE_SYS_SOCKET_H
decode_mpeg_SOURCES += connect.c connect.h
endif
decode_mpeg_CPPFLAGS = -D_FILE_OFFSET_BITS=64 -DDVBPSI_DIST
decode_mpeg_LDFLAGS = -L../src -ldvbpsi -lm
decode_bat_SOURCES = decode_bat.c
decode_bat_CPPFLAGS = -DDVBPSI_DIST
decode_bat_LDFLAGS = -L../src -ldvbpsi
examples/connect.c deleted 100644 → 0
View file @ da0c5e38
/*****************************************************************************
* connect.c: Routines for establishing a network connection.
*----------------------------------------------------------------------------
* Copyright (c) 2005-2010 M2X BV
* $Id: connect.c 104 2005-03-21 13:38:56Z massiot $
*
* Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*----------------------------------------------------------------------------
*
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>
#include <net/if.h>
#if defined(WIN32)
# include <netinet/if_ether.h>
#endif
#include <netdb.h>
#include <netinet/ip.h>
#include <netinet/udp.h>
#include <arpa/inet.h>
#include "connect.h"
int create_tcp_connection( const char *ipaddress, int port )
{
struct sockaddr_in addr_ctl;
int s_ctl = -1;
int result = -1;
if( !ipaddress ) return -1;
s_ctl = socket( PF_INET, SOCK_STREAM, 0 );
if (s_ctl < 0)
{
perror( "tcp socket error" );
return -1;
}
addr_ctl.sin_family = AF_INET;
addr_ctl.sin_addr.s_addr = inet_addr(ipaddress);
addr_ctl.sin_port = htons(port);
result = connect( s_ctl, (struct sockaddr*) &addr_ctl, sizeof(addr_ctl) );
if( result < 0 )
{
perror( "tcp connect error" );
close(s_ctl);
return -1;
}
return s_ctl;
}
int close_connection( int socket_fd )
{
int result = 0;
result = shutdown( socket_fd, 2 );
if( result < 0 )
perror( "shutdown error" );
return result;
}
int create_udp_connection( const char *ipaddress, int port )
{
struct sockaddr_in addr_ctl;
int s_ctl = -1;
int result = -1;
if( !ipaddress ) return -1;
s_ctl = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s_ctl < 0)
{
perror( "udp socket error" );
return -1;
}
addr_ctl.sin_family = AF_INET;
addr_ctl.sin_addr.s_addr = inet_addr(ipaddress);
addr_ctl.sin_port = htons(port);
result = bind(s_ctl, (struct sockaddr*) &addr_ctl, sizeof(addr_ctl));
if( result < 0 )
{
close(s_ctl);
perror( "udp bind error" );
return -1;
}
return s_ctl;
}
examples/connect.h deleted 100644 → 0
View file @ da0c5e38
/*****************************************************************************
* connect.h: Routines for establishing a network connection.
*----------------------------------------------------------------------------
* Copyright (c) 2005-2010 M2X BV
* $Id: connect.c 104 2005-03-21 13:38:56Z massiot $
*
* Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*----------------------------------------------------------------------------
*
*****************************************************************************/
#if !defined(_CONNECT_H_)
#define _CONNECT_H_ 1
int create_tcp_connection( const char *ipaddress, int port );
int create_udp_connection( const char *ipaddress, int port );
int close_connection( int socket_fd );
#define close_tcp_connection close_connection
#define close_udp_connection close_connection
#endif
examples/decode_mpeg.c deleted 100644 → 0
View file @ da0c5e38
/*****************************************************************************
* decode_mpeg.c: MPEG decoder example
*----------------------------------------------------------------------------
* Copyright (C) 2001-2011 VideoLAN
* $Id: decode_mpeg.c 104 2005-03-21 13:38:56Z massiot $
*
* Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
* Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*----------------------------------------------------------------------------
*
*****************************************************************************/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#define HAVE_GETTIMEOFDAY 1
#include <sys/time.h>
#endif
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <math.h>
#include <getopt.h>
#include "connect.h"
#if defined(HAVE_INTTYPES_H)
#include <inttypes.h>
#elif defined(HAVE_STDINT_H)
#include <stdint.h>
#endif
/* The libdvbpsi distribution defines DVBPSI_DIST */
#ifdef DVBPSI_DIST
#include "../src/dvbpsi.h"
#include "../src/psi.h"
#include "../src/tables/pat.h"
#include "../src/descriptor.h"
#include "../src/tables/pmt.h"
#include "../src/descriptors/dr.h"
#else
#include <dvbpsi/dvbpsi.h>
#include <dvbpsi/psi.h>
#include <dvbpsi/pat.h>
#include <dvbpsi/descriptor.h>
#include <dvbpsi/pmt.h>
#include <dvbpsi/dr.h>
#endif
#define SYSTEM_CLOCK_DR 0x0B
#define MAX_BITRATE_DR 0x0E
#define STREAM_IDENTIFIER_DR 0x52
#define SUBTITLING_DR 0x59
/*****************************************************************************
* General typdefs
*****************************************************************************/
typedef int vlc_bool_t;
#define VLC_FALSE 0
#define VLC_TRUE 1
typedef int64_t mtime_t;
#define REPORT_PCR 0 /* report PCR arrival and values */
#define REPORT_UDP 1 /* report UDP packet arrival (7 ts packets) */
/*****************************************************************************
* TS stream structures
*----------------------------------------------------------------------------
* PAT pid=0
* - refers to N PMT's with pids known PAT
* PMT 0 pid=X stream_type
* PMT 1 pid=Y stream_type
* PMT 2 pid=Z stream_type
* - a PMT refers to N program_streams with pids known from PMT
* PID A type audio
* PID B type audio
* PID C type audio .. etc
* PID D type video
* PID E type teletext
*****************************************************************************/
typedef struct
{
dvbpsi_t * handle;
int i_pat_version;
int i_ts_id;
} ts_pat_t;
typedef struct ts_pid_s
{
int i_pid;
vlc_bool_t b_seen;
int i_cc; /* countinuity counter */
vlc_bool_t b_pcr; /* this PID is the PCR_PID */
mtime_t i_pcr; /* last know PCR value */
} ts_pid_t;
typedef struct ts_pmt_s
{
dvbpsi_t * handle;
int i_number; /* i_number = 0 is actually a NIT */
int i_pmt_version;
ts_pid_t *pid_pmt;
ts_pid_t *pid_pcr;
} ts_pmt_t;
typedef struct
{
ts_pat_t pat;
int i_pmt;
ts_pmt_t pmt;
ts_pid_t pid[8192];
} ts_stream_t;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void DumpPMT(void* p_data, dvbpsi_pmt_t* p_pmt);
/*****************************************************************************
* ReadPacket
*****************************************************************************/
static int ReadPacket( int i_fd, uint8_t* p_dst )
{
int i = 187;
int i_rc = 1;
p_dst[0] = 0;
while((p_dst[0] != 0x47) && (i_rc > 0))
{
i_rc = read(i_fd, p_dst, 1);
}
while((i != 0) && (i_rc > 0))
{
i_rc = read(i_fd, p_dst + 188 - i, i);
if(i_rc >= 0)
i -= i_rc;
}
return (i_rc <= 0) ? i_rc : 188;
}
#ifdef HAVE_SYS_SOCKET_H
static int ReadPacketFromSocket( int i_socket, uint8_t* p_dst, size_t i_size)
{
int i_rc = -1;
memset( p_dst, 0, i_size );
i_rc = read( i_socket, p_dst, i_size );
if( i_rc < 0 ) fprintf( stderr, "READ INTERRUPTED BY SIGNAL\n" );
if( i_rc == 0 ) fprintf( stderr, "READ RETURNS 0\n" );
return i_rc;
}
/*****************************************************************************
* report_PrintHeader
*****************************************************************************/
static void report_Header( int i_report )
{
#ifndef HAVE_GETTIMEOFDAY
printf("*** WARNING: !!! no gettimeofday support found !!! timing information will not be given !!! ***\n");
#endif
switch(i_report)
{
case REPORT_PCR:
printf( "# seqno, PID PCR, network arrival (ms), PCR value (ms), PCR prev (ms), delta (ms), bytes since last pcr, bitrate (bits/delta) Kbps since last pcr\n" );
break;
case REPORT_UDP:
printf( "# seq no, packet arrival (ms), delta (ms), bytes since last\n");
break;
}
}
#endif
/*****************************************************************************
* PrintPacketTiming for REPORT_UDP
*****************************************************************************/
#ifdef HAVE_SYS_SOCKET_H
#ifdef HAVE_GETTIMEOFDAY
static mtime_t report_UDPPacketTiming( int32_t i_seqno, int32_t bytes, mtime_t time_prev, mtime_t *time_base )
{
mtime_t time_current;
mtime_t tv_delta;
struct timeval tv;
/* arrival time of packet */
gettimeofday( &tv, NULL );
time_current = ((mtime_t)tv.tv_sec*1000) + ((mtime_t)tv.tv_usec/1000);
if( time_prev == 0 ) /* probably the first one */
tv_delta = (mtime_t) 0;
else
tv_delta = (mtime_t)(time_current - time_prev);
if( *time_base == 0 )
*time_base = time_current;
printf( "%.2d %"PRId64" %"PRId64" ",
i_seqno, time_current - *time_base,
tv_delta );
time_prev = time_current;
printf( "%d\n", bytes );
return time_prev;
}
#else
static void report_UDPPacketTiming( int32_t i_seqno, int32_t bytes )
{
printf( "%.2d %"PRId64" %"PRId64" ", i_seqno, 0UL, 0UL );
printf( "%d\n", bytes );
}
#endif
#endif
#ifdef HAVE_SYS_SOCKET_H
#ifdef HAVE_GETTIMEOFDAY
static mtime_t report_PCRPacketTiming( int i_cc, ts_pid_t *ts_pid,
mtime_t i_prev_pcr, mtime_t time_prev, int32_t i_bytes )
#else
static void report_PCRPacketTiming( int i_cc, ts_pid_t *ts_pid,
mtime_t i_prev_pcr, int32_t i_bytes )
#endif
{
mtime_t i_delta = 0;
/* sequence number and program_id */
printf( "%.2d %d ", i_cc, ts_pid->i_pid );
#ifdef HAVE_GETTIMEOFDAY
mtime_t time_current;
mtime_t tv_delta;
struct timeval tv;
/* arrival time of packet */
gettimeofday( &tv, NULL );
time_current = ((mtime_t)tv.tv_sec*1000) + ((mtime_t)tv.tv_usec/1000);
if( time_prev == 0 ) /* probably the first one */
tv_delta = (mtime_t) 0;
else
tv_delta = (mtime_t)(time_current - time_prev);
printf( "%"PRId64" ", tv_delta );
time_prev = time_current;
#else
printf( "0 " );
#endif
/* pcr value, previous pcr, delta between pcr and previous, bytes since last pcr */
if( i_prev_pcr == 0 )
i_delta = 0;
else
i_delta = ts_pid->i_pcr - i_prev_pcr;
printf( "%"PRId64" %"PRId64" %"PRId64" ",
ts_pid->i_pcr, i_prev_pcr, i_delta );
/* bitrate since last pcr */
if( (i_delta > 0) )
printf( "%d %"PRId64"", i_bytes, (long int)(i_bytes*8)/i_delta/1000 );
else
printf( "%d 0", i_bytes );
#ifdef HAVE_GETTIMEOFDAY
printf( "\n" );
return time_prev;
#else
printf( "\n" );
#endif
}
#endif
static void message(dvbpsi_t *handle, const dvbpsi_msg_level_t level, const char* msg)
{
switch(level)
{
case DVBPSI_MSG_ERROR: fprintf(stderr, "Error: "); break;
case DVBPSI_MSG_WARN: fprintf(stderr, "Warning: "); break;
case DVBPSI_MSG_DEBUG: fprintf(stderr, "Debug: "); break;
default: /* do nothing */
return;
}
fprintf(stderr, "%s\n", msg);
}
/*****************************************************************************
* DumpPAT
*****************************************************************************/
static void DumpPAT(void* p_data, dvbpsi_pat_t* p_pat)
{
dvbpsi_pat_program_t* p_program = p_pat->p_first_program;
ts_stream_t* p_stream = (ts_stream_t*) p_data;
if (p_stream->pmt.handle)
{
fprintf(stderr, "freeing old PMT\n");
dvbpsi_pmt_detach(p_stream->pmt.handle);
dvbpsi_delete(p_stream->pmt.handle);
p_stream->pmt.handle = NULL;
}
p_stream->pat.i_pat_version = p_pat->i_version;
p_stream->pat.i_ts_id = p_pat->i_ts_id;
fprintf( stderr, "\n");
fprintf( stderr, "New PAT\n");
fprintf( stderr, " transport_stream_id : %d\n", p_pat->i_ts_id);
fprintf( stderr, " version_number : %d\n", p_pat->i_version);
fprintf( stderr, " | program_number @ [NIT|PMT]_PID\n");
while( p_program )
{
if (p_stream->pmt.handle)
{
dvbpsi_pmt_detach(p_stream->pmt.handle);
dvbpsi_delete(p_stream->pmt.handle);
p_stream->pmt.handle = NULL;
}
p_stream->i_pmt++;
p_stream->pmt.i_number = p_program->i_number;
p_stream->pmt.pid_pmt = &p_stream->pid[p_program->i_pid];
p_stream->pmt.pid_pmt->i_pid = p_program->i_pid;
p_stream->pmt.handle = dvbpsi_new(&message, DVBPSI_MSG_DEBUG);
if (p_stream->pmt.handle == NULL)
{
fprintf(stderr, "could not allocate new dvbpsi_t handle\n");
break;
}
if (!dvbpsi_pmt_attach(p_stream->pmt.handle, p_program->i_number, DumpPMT, p_stream ))
{
dvbpsi_delete(p_stream->pmt.handle);
fprintf(stderr, "could not attach PMT\n");
break;
}
fprintf( stderr, " | %14d @ 0x%x (%d)\n",
p_program->i_number, p_program->i_pid, p_program->i_pid);
p_program = p_program->p_next;
}
fprintf( stderr, " active : %d\n", p_pat->b_current_next);
dvbpsi_pat_delete(p_pat);
}
/*****************************************************************************
* GetTypeName
*****************************************************************************/
static char const* GetTypeName(uint8_t type)
{
switch (type)
{
case 0x00:
return "Reserved";
case 0x01:
return "ISO/IEC 11172 Video";
case 0x02:
return "ISO/IEC 13818-2 Video";
case 0x03:
return "ISO/IEC 11172 Audio";
case 0x04:
return "ISO/IEC 13818-3 Audio";
case 0x05:
return "ISO/IEC 13818-1 Private Section";
case 0x06:
return "ISO/IEC 13818-1 Private PES data packets";
case 0x07:
return "ISO/IEC 13522 MHEG";
case 0x08:
return "ISO/IEC 13818-1 Annex A DSM CC";
case 0x09:
return "H222.1";
case 0x0A:
return "ISO/IEC 13818-6 type A";
case 0x0B:
return "ISO/IEC 13818-6 type B";
case 0x0C:
return "ISO/IEC 13818-6 type C";
case 0x0D:
return "ISO/IEC 13818-6 type D";
case 0x0E:
return "ISO/IEC 13818-1 auxillary";
default:
if (type < 0x80)
return "ISO/IEC 13818-1 reserved";
else
return "User Private";
}
}
/*****************************************************************************
* DumpMaxBitrateDescriptor
*****************************************************************************/
static void DumpMaxBitrateDescriptor(dvbpsi_mpeg_max_bitrate_dr_t* bitrate_descriptor)
{
fprintf( stderr, "Bitrate: %d\n", bitrate_descriptor->i_max_bitrate);
}
/*****************************************************************************
* DumpSystemClockDescriptor
*****************************************************************************/
static void DumpSystemClockDescriptor(dvbpsi_mpeg_system_clock_dr_t* p_clock_descriptor)
{
fprintf( stderr, "External clock: %s, Accuracy: %E\n",
p_clock_descriptor->b_external_clock_ref ? "Yes" : "No",
p_clock_descriptor->i_clock_accuracy_integer *
pow(10.0, -(double)p_clock_descriptor->i_clock_accuracy_exponent));
}
/*****************************************************************************
* DumpStreamIdentifierDescriptor
*****************************************************************************/
static void DumpStreamIdentifierDescriptor(dvbpsi_dvb_stream_identifier_dr_t* p_si_descriptor)
{
fprintf( stderr, "Component tag: %d\n",
p_si_descriptor->i_component_tag);
}
/*****************************************************************************
* DumpSubtitleDescriptor
*****************************************************************************/
static void DumpSubtitleDescriptor(dvbpsi_dvb_subtitling_dr_t* p_subtitle_descriptor)
{
int a;
fprintf( stderr, "%d subtitles,\n", p_subtitle_descriptor->i_subtitles_number);
for (a = 0; a < p_subtitle_descriptor->i_subtitles_number; ++a)
{
fprintf( stderr, " | %d - lang: %c%c%c, type: %d, cpid: %d, apid: %d\n", a,
p_subtitle_descriptor->p_subtitle[a].i_iso6392_language_code[0],
p_subtitle_descriptor->p_subtitle[a].i_iso6392_language_code[1],
p_subtitle_descriptor->p_subtitle[a].i_iso6392_language_code[2],
p_subtitle_descriptor->p_subtitle[a].i_subtitling_type,
p_subtitle_descriptor->p_subtitle[a].i_composition_page_id,
p_subtitle_descriptor->p_subtitle[a].i_ancillary_page_id);
}
}
/*****************************************************************************
* DumpDescriptors
*****************************************************************************/
static void DumpDescriptors(const char* str, dvbpsi_descriptor_t* p_descriptor)
{
int i;
while(p_descriptor)
{
fprintf( stderr, "%s 0x%02x : ", str, p_descriptor->i_tag);
switch (p_descriptor->i_tag)
{
case SYSTEM_CLOCK_DR:
DumpSystemClockDescriptor(dvbpsi_decode_mpeg_system_clock_dr(p_descriptor));
break;
case MAX_BITRATE_DR:
DumpMaxBitrateDescriptor(dvbpsi_decode_mpeg_max_bitrate_dr(p_descriptor));
break;
case STREAM_IDENTIFIER_DR:
DumpStreamIdentifierDescriptor(dvbpsi_decode_dvb_stream_identifier_dr(p_descriptor));
break;
case SUBTITLING_DR:
DumpSubtitleDescriptor(dvbpsi_decode_dvb_subtitling_dr(p_descriptor));
break;
default:
fprintf( stderr, "\"");
for(i = 0; i < p_descriptor->i_length; i++)
fprintf( stderr, "%c", p_descriptor->p_data[i]);
fprintf( stderr, "\"\n");
}
p_descriptor = p_descriptor->p_next;
}
}
/*****************************************************************************
* DumpPMT
*****************************************************************************/
static void DumpPMT(void* p_data, dvbpsi_pmt_t* p_pmt)
{
dvbpsi_pmt_es_t* p_es = p_pmt->p_first_es;
ts_stream_t* p_stream = (ts_stream_t*) p_data;
p_stream->pmt.i_pmt_version = p_pmt->i_version;
p_stream->pmt.pid_pcr = &p_stream->pid[p_pmt->i_pcr_pid];
p_stream->pid[p_pmt->i_pcr_pid].b_pcr = VLC_TRUE;
fprintf( stderr, "\n" );
fprintf( stderr, "New active PMT\n" );
fprintf( stderr, " program_number : %d\n", p_pmt->i_program_number );
fprintf( stderr, " version_number : %d\n", p_pmt->i_version );
fprintf( stderr, " PCR_PID : 0x%x (%d)\n", p_pmt->i_pcr_pid, p_pmt->i_pcr_pid);
DumpDescriptors(" ]", p_pmt->p_first_descriptor);
fprintf( stderr, " | type @ elementary_PID\n");
while(p_es)
{
fprintf( stderr, " | 0x%02x (%s) @ 0x%x (%d)\n", p_es->i_type, GetTypeName(p_es->i_type),
p_es->i_pid, p_es->i_pid);
DumpDescriptors(" | ]", p_es->p_first_descriptor);
p_es = p_es->p_next;
}
dvbpsi_pmt_delete(p_pmt);
}
/*****************************************************************************
* usage
*****************************************************************************/
static void usage( char *name )
{
#ifdef HAVE_SYS_SOCKET_H
printf( "Usage: %s [--file <filename>|--udp <ipaddress> --port <port> --mtu <mtu>|--help]\n", name );
printf( " %s [-f <filename>|-u <ipaddress> -p <port> -m <mtu>|-h]\n", name );
#else
printf( "Usage: %s [--file <filename>|--help]\n", name );
printf( " %s [-f <filename>|-h]\n", name );
#endif
printf( "\n" );
printf( " %s --help\n", name );
printf( " %s --file <filename>\n", name );
#ifdef HAVE_SYS_SOCKET_H
printf( " %s --udp <ipaddres> --port <port> --mtu <mtu>\n", name );
#endif
printf( "Arguments:\n" );
printf( "file : read MPEG2-TS stream from file\n" );
#ifdef HAVE_SYS_SOCKET_H
printf( "udp : read MPEG2-TS stream from network using UDP protocol\n" );
printf( "port : read MPEG2-TS stream from this port number\n" );
printf( "mtu : read MPEG2-TS stream from network using maximum transfer unit (mtu) = 1316\n" );
printf( "report : report type udp, pcr (default udp)\n" );
#endif
printf( "help : print this help message\n" );
}
/*****************************************************************************
* main
*****************************************************************************/
int main(int i_argc, char* pa_argv[])
{
#ifdef HAVE_SYS_SOCKET_H
const char* const short_options = "hf:m:p:r:u:v";
#else
const char* const short_options = "hf:v";
#endif
const struct option long_options[] =
{
{ "help", 0, NULL, 'h' },
{ "file", 1, NULL, 'f' },
#ifdef HAVE_SYS_SOCKET_H
{ "mtu", 1, NULL, 'm' },
{ "port", 1, NULL, 'p' },
{ "udp", 1, NULL, 'u' },
{ "report", 1, NULL, 'r' },
#endif
{ "verbose", 0, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
int next_option = 0;
int i_fd = -1;
#ifdef HAVE_SYS_SOCKET_H
int i_mtu = 1316; /* (7 * 188) = 1316 < 1500 network MTU */
int i_report = REPORT_UDP; /* REPORT_PCR REPORT_UDP */
int i_port = 0;
char *ipaddress = NULL;
#ifdef HAVE_GETTIMEOFDAY
mtime_t time_prev = 0;
mtime_t time_base = 0;
#endif
mtime_t i_prev_pcr = 0; /* 33 bits */
#endif
int i_old_cc = -1;
uint32_t i_bytes = 0; /* bytes transmitted between PCR's */
char *filename = NULL;
uint8_t *p_data = NULL;
ts_stream_t *p_stream = NULL;
int i_len = 0;
bool b_verbose = false;
/* parser commandline arguments */
do {
next_option = getopt_long( i_argc, pa_argv, short_options, long_options, NULL );
switch( next_option )
{
case 'f':
filename = strdup( optarg );
break;
case 'h':
usage( pa_argv[0] );
goto error;
break;
#ifdef HAVE_SYS_SOCKET_H
case 'm':
i_mtu = atoi( optarg );
if( i_mtu < 0 ) i_mtu = 1316;
else i_mtu = (i_mtu / 188) * 188;
break;
case 'p':
i_port = atoi( optarg );
break;
case 'r':
if( strncasecmp( "udp", optarg, 3 ) == 0 )
i_report = REPORT_UDP;
else if( strncasecmp( "pcr", optarg, 3 ) == 0)
i_report = REPORT_PCR;
else goto error;
break;
case 'u':
ipaddress = strdup( optarg );
break;
#endif
case 'v':
b_verbose = true;
break;
case -1:
break;
default:
usage( pa_argv[0] );
goto error;
}
} while( next_option != -1 );
if( b_verbose )
{
#ifdef HAVE_SYS_SOCKET_H
fprintf( stderr, "set mtu to %d\n", i_mtu );
#else
fprintf( stderr, "using file: %s", filename);
#endif
}
/* initialize */
if( filename )
{
i_fd = open( filename, 0 );
p_data = (uint8_t *) malloc( sizeof( uint8_t ) * 188 );
if( !p_data )
goto out_of_memory;
}
#ifdef HAVE_SYS_SOCKET_H
else if( ipaddress )
{
i_fd = create_udp_connection( ipaddress, i_port );
p_data = (uint8_t *) malloc( sizeof( uint8_t ) * i_mtu );
if( !p_data )
goto out_of_memory;
}
#endif
else
{
usage( pa_argv[0] );
goto error;
}
if( i_fd < 0 )
{
fprintf( stderr, "no input selected\n" );
usage( pa_argv[0] );
goto error;
}
p_stream = (ts_stream_t *) malloc( sizeof(ts_stream_t) );
if( !p_stream )
goto out_of_memory;
memset( p_stream, 0, sizeof(ts_stream_t) );
/* Read first packet */
if( filename )
i_len = ReadPacket( i_fd, p_data );
#ifdef HAVE_SYS_SOCKET_H
else
i_len = ReadPacketFromSocket( i_fd, p_data, i_mtu );
/* print the right report header */
report_Header( i_report );
#endif
p_stream->pat.handle = dvbpsi_new(&message, DVBPSI_MSG_DEBUG);
if (p_stream->pat.handle == NULL)
goto dvbpsi_out;
if (!dvbpsi_pat_attach(p_stream->pat.handle, DumpPAT, p_stream))
goto dvbpsi_out;
/* Enter infinite loop */
while( i_len > 0 )
{
int i = 0;
#ifdef HAVE_SYS_SOCKET_H
vlc_bool_t b_first = VLC_FALSE;
#endif
i_bytes += i_len;
for( i = 0; i < i_len; i += 188 )
{
uint8_t *p_tmp = &p_data[i];
uint16_t i_pid = ((uint16_t)(p_tmp[1] & 0x1f) << 8) + p_tmp[2];
int i_cc = (p_tmp[3] & 0x0f);
vlc_bool_t b_adaptation = (p_tmp[3] & 0x20); /* adaptation field */
vlc_bool_t b_discontinuity_seen = VLC_FALSE;
#ifdef HAVE_SYS_SOCKET_H
if( i_report == REPORT_UDP && !b_first )
{
#ifdef HAVE_GETTIMEOFDAY
time_prev = report_UDPPacketTiming( i_cc, i_bytes, time_prev, &time_base );
#else
report_UDPPacketTiming( i_cc, i_bytes );
#endif
b_first = VLC_TRUE;
}
#endif
if (p_data[i] != 0x47) /* no sync skip this packet */
{
fprintf( stderr, "Missing TS sync word, skipping 188 bytes\n" );
break;
}
if (i_pid == 0x1FFF) /* null packet - TS content undefined */
continue;
if( i_pid == 0x0 )
dvbpsi_packet_push(p_stream->pat.handle, p_tmp);
else if( p_stream->pmt.pid_pmt && i_pid == p_stream->pmt.pid_pmt->i_pid )
dvbpsi_packet_push(p_stream->pmt.handle, p_tmp);
/* Remember PID */
if( !p_stream->pid[i_pid].b_seen )
{
p_stream->pid[i_pid].b_seen = VLC_TRUE;
i_old_cc = i_cc;
p_stream->pid[i_pid].i_cc = i_cc;
}
else
{
/* Check continuity counter */
int i_diff = 0;
i_diff = i_cc - (p_stream->pid[i_pid].i_cc+1)%16;
b_discontinuity_seen = ( i_diff != 0 );
/* Update CC */
i_old_cc = p_stream->pid[i_pid].i_cc;
p_stream->pid[i_pid].i_cc = i_cc;
}
/* Handle discontinuities if they occurred,
* according to ISO/IEC 13818-1: DIS pages 20-22 */
if( b_adaptation )
{
vlc_bool_t b_discontinuity_indicator = (p_tmp[5]&0x80);
vlc_bool_t b_random_access_indicator = (p_tmp[5]&0x40);
vlc_bool_t b_pcr = (p_tmp[5]&0x10); /* PCR flag */
if( b_discontinuity_indicator )
fprintf( stderr, "Discontinuity indicator (pid %d)\n", i_pid );
if( b_random_access_indicator )
fprintf( stderr, "Random access indicator (pid %d)\n", i_pid );
/* Dump PCR */
if( b_pcr && (p_tmp[4] >= 7) )
{
mtime_t i_pcr; /* 33 bits */
i_pcr = ( ( (mtime_t)p_tmp[6] << 25 ) |
( (mtime_t)p_tmp[7] << 17 ) |
( (mtime_t)p_tmp[8] << 9 ) |
( (mtime_t)p_tmp[9] << 1 ) |
( (mtime_t)p_tmp[10] >> 7 ) ) / 90;
p_stream->pid[i_pid].i_pcr = i_pcr;
#ifdef HAVE_SYS_SOCKET_H
i_prev_pcr = p_stream->pid[i_pid].i_pcr;
if( i_report == REPORT_PCR )
{
#ifdef HAVE_GETTIMEOFDAY
time_prev = report_PCRPacketTiming( i_cc, &(p_stream->pid[i_pid]), i_prev_pcr, time_prev, i_bytes );
#else
report_PCRPacketTiming( i_cc, &(p_stream->pid[i_pid]), i_prev_pcr, i_bytes );
#endif
}
#endif
i_bytes = 0; /* reset byte counter */
if( b_discontinuity_indicator )
{
/* cc discontinuity is expected */
fprintf( stderr, "Server signalled the continuity counter discontinuity\n" );
/* Discontinuity has been handled */
b_discontinuity_seen = VLC_FALSE;
}
}
}
if( b_discontinuity_seen )
{
fprintf( stderr, "Continuity counter discontinuity (pid %d found %d expected %d)\n",
i_pid, p_stream->pid[i_pid].i_cc, i_old_cc+1 );
/* Discontinuity has been handled */
b_discontinuity_seen = VLC_FALSE;
}
}
#ifdef HAVE_SYS_SOCKET_H
if( i_report == REPORT_UDP )
i_bytes = 0; /* reset byte counter */
#endif
/* Read next packet */
if( filename )
i_len = ReadPacket( i_fd, p_data );
#ifdef HAVE_SYS_SOCKET_H
else
i_len = ReadPacketFromSocket( i_fd, p_data, i_mtu );
#endif
}
if( p_stream->pmt.handle )
{
dvbpsi_pmt_detach( p_stream->pmt.handle );
dvbpsi_delete( p_stream->pmt.handle );
}
if( p_stream->pat.handle )
{
dvbpsi_pat_detach( p_stream->pat.handle );
dvbpsi_delete( p_stream->pat.handle );
}
/* clean up */
if( filename )
close( i_fd );
#ifdef HAVE_SYS_SOCKET_H
else
close_connection( i_fd );
#endif
if( p_data ) free( p_data );
if( filename ) free( filename );
#ifdef HAVE_SYS_SOCKET_H
if( ipaddress ) free( ipaddress );
#endif
/* free other stuff first ;-)*/
if( p_stream ) free( p_stream );
return EXIT_SUCCESS;
out_of_memory:
fprintf( stderr, "Out of memory\n" );
dvbpsi_out:
if( p_stream && p_stream->pat.handle )
{
dvbpsi_pat_detach( p_stream->pat.handle );
dvbpsi_delete( p_stream->pat.handle );
}
error:
if( p_data ) free( p_data );
if( filename ) free( filename );
#ifdef HAVE_SYS_SOCKET_H
if( ipaddress ) free( ipaddress );
#endif
/* free other stuff first ;-)*/
if( p_stream ) free( p_stream );
return EXIT_FAILURE;
}
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