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vlc/modules/demux/ts.c

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/*****************************************************************************
* ts.c: Transport Stream input module for VLC.
*****************************************************************************
* Copyright (C) 2004-2005 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Jean-Paul Saman <jpsaman #_at_# m2x.nl>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <ctype.h>
#include <assert.h>
#include <vlc_access.h> /* DVB-specific things */
#include <vlc_demux.h>
#include <vlc_meta.h>
#include <vlc_epg.h>
#include <vlc_iso_lang.h>
#include <vlc_network.h>
#include <vlc_charset.h>
#include "../mux/mpeg/csa.h"
/* Include dvbpsi headers */
#ifdef HAVE_DVBPSI_DR_H
# include <dvbpsi/dvbpsi.h>
# include <dvbpsi/demux.h>
# include <dvbpsi/descriptor.h>
# include <dvbpsi/pat.h>
# include <dvbpsi/pmt.h>
# include <dvbpsi/sdt.h>
# include <dvbpsi/dr.h>
# include <dvbpsi/psi.h>
#else
# include "dvbpsi.h"
# include "demux.h"
# include "descriptor.h"
# include "tables/pat.h"
# include "tables/pmt.h"
# include "tables/sdt.h"
# include "descriptors/dr.h"
# include "psi.h"
#endif
/* EIT support */
#ifdef _DVBPSI_DR_4D_H_
# define TS_USE_DVB_SI 1
# ifdef HAVE_DVBPSI_DR_H
# include <dvbpsi/eit.h>
# else
# include "tables/eit.h"
# endif
#endif
#ifdef HAVE_TIME_H
# include <time.h>
#endif
#undef TS_DEBUG
/* TODO:
* - XXX: do not mark options message to be translated, they are too osbcure for now ...
* - test it
* - ...
*/
/*****************************************************************************
* Callback prototypes
*****************************************************************************/
static int ChangeKeyCallback ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
/* TODO
* - Rename "extra pmt" to "user pmt"
* - Update extra pmt description
* pmt_pid[:pmt_number][=pid_description[,pid_description]]
* where pid_description could take 3 forms:
* 1. pid:pcr (to force the pcr pid)
* 2. pid:stream_type
* 3. pid:type=fourcc where type=(video|audio|spu)
*/
#define PMT_TEXT N_("Extra PMT")
#define PMT_LONGTEXT N_( \
"Allows a user to specify an extra pmt (pmt_pid=pid:stream_type[,...])." )
#define PID_TEXT N_("Set id of ES to PID")
#define PID_LONGTEXT N_("Set the internal ID of each elementary stream" \
" handled by VLC to the same value as the PID in" \
" the TS stream, instead of 1, 2, 3, etc. Useful to" \
" do \'#duplicate{..., select=\"es=<pid>\"}\'.")
#define TSOUT_TEXT N_("Fast udp streaming")
#define TSOUT_LONGTEXT N_( \
"Sends TS to specific ip:port by udp (you must know what you are doing).")
#define MTUOUT_TEXT N_("MTU for out mode")
#define MTUOUT_LONGTEXT N_("MTU for out mode.")
#define CSA_TEXT N_("CSA ck")
#define CSA_LONGTEXT N_("Control word for the CSA encryption algorithm")
#define CSA2_TEXT N_("Second CSA Key")
#define CSA2_LONGTEXT N_("The even CSA encryption key. This must be a " \
"16 char string (8 hexadecimal bytes).")
#define SILENT_TEXT N_("Silent mode")
#define SILENT_LONGTEXT N_("Do not complain on encrypted PES.")
#define CAPMT_SYSID_TEXT N_("CAPMT System ID")
#define CAPMT_SYSID_LONGTEXT N_("Only forward descriptors from this SysID to the CAM.")
#define CPKT_TEXT N_("Packet size in bytes to decrypt")
#define CPKT_LONGTEXT N_("Specify the size of the TS packet to decrypt. " \
"The decryption routines subtract the TS-header from the value before " \
"decrypting. " )
#define TSDUMP_TEXT N_("Filename of dump")
#define TSDUMP_LONGTEXT N_("Specify a filename where to dump the TS in.")
#define APPEND_TEXT N_("Append")
#define APPEND_LONGTEXT N_( \
"If the file exists and this option is selected, the existing file " \
"will not be overwritten." )
#define DUMPSIZE_TEXT N_("Dump buffer size")
#define DUMPSIZE_LONGTEXT N_( \
"Tweak the buffer size for reading and writing an integer number of packets." \
"Specify the size of the buffer here and not the number of packets." )
vlc_module_begin ()
set_description( N_("MPEG Transport Stream demuxer") )
set_shortname ( "MPEG-TS" )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_DEMUX )
add_string( "ts-extra-pmt", NULL, NULL, PMT_TEXT, PMT_LONGTEXT, true )
add_bool( "ts-es-id-pid", 1, NULL, PID_TEXT, PID_LONGTEXT, true )
add_string( "ts-out", NULL, NULL, TSOUT_TEXT, TSOUT_LONGTEXT, true )
add_integer( "ts-out-mtu", 1400, NULL, MTUOUT_TEXT,
MTUOUT_LONGTEXT, true )
add_string( "ts-csa-ck", NULL, NULL, CSA_TEXT, CSA_LONGTEXT, true )
add_string( "ts-csa2-ck", NULL, NULL, CSA_TEXT, CSA_LONGTEXT, true )
add_integer( "ts-csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, true )
add_bool( "ts-silent", 0, NULL, SILENT_TEXT, SILENT_LONGTEXT, true )
add_file( "ts-dump-file", NULL, NULL, TSDUMP_TEXT, TSDUMP_LONGTEXT, false )
add_bool( "ts-dump-append", 0, NULL, APPEND_TEXT, APPEND_LONGTEXT, false )
add_integer( "ts-dump-size", 16384, NULL, DUMPSIZE_TEXT,
DUMPSIZE_LONGTEXT, true )
set_capability( "demux", 10 )
set_callbacks( Open, Close )
add_shortcut( "ts" )
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static const char *const ppsz_teletext_type[] = {
"",
N_("Teletext"),
N_("Teletext subtitles"),
N_("Teletext: additional information"),
N_("Teletext: program schedule"),
N_("Teletext subtitles: hearing impaired")
};
typedef struct
{
uint8_t i_objectTypeIndication;
uint8_t i_streamType;
bool b_upStream;
uint32_t i_bufferSizeDB;
uint32_t i_maxBitrate;
uint32_t i_avgBitrate;
int i_decoder_specific_info_len;
uint8_t *p_decoder_specific_info;
} decoder_config_descriptor_t;
typedef struct
{
bool b_useAccessUnitStartFlag;
bool b_useAccessUnitEndFlag;
bool b_useRandomAccessPointFlag;
bool b_useRandomAccessUnitsOnlyFlag;
bool b_usePaddingFlag;
bool b_useTimeStampsFlags;
bool b_useIdleFlag;
bool b_durationFlag;
uint32_t i_timeStampResolution;
uint32_t i_OCRResolution;
uint8_t i_timeStampLength;
uint8_t i_OCRLength;
uint8_t i_AU_Length;
uint8_t i_instantBitrateLength;
uint8_t i_degradationPriorityLength;
uint8_t i_AU_seqNumLength;
uint8_t i_packetSeqNumLength;
uint32_t i_timeScale;
uint16_t i_accessUnitDuration;
uint16_t i_compositionUnitDuration;
uint64_t i_startDecodingTimeStamp;
uint64_t i_startCompositionTimeStamp;
} sl_config_descriptor_t;
typedef struct
{
bool b_ok;
uint16_t i_es_id;
bool b_streamDependenceFlag;
bool b_OCRStreamFlag;
uint8_t i_streamPriority;
char *psz_url;
uint16_t i_dependOn_es_id;
uint16_t i_OCR_es_id;
decoder_config_descriptor_t dec_descr;
sl_config_descriptor_t sl_descr;
} es_mpeg4_descriptor_t;
typedef struct
{
uint8_t i_iod_label, i_iod_label_scope;
/* IOD */
uint16_t i_od_id;
char *psz_url;
uint8_t i_ODProfileLevelIndication;
uint8_t i_sceneProfileLevelIndication;
uint8_t i_audioProfileLevelIndication;
uint8_t i_visualProfileLevelIndication;
uint8_t i_graphicsProfileLevelIndication;
es_mpeg4_descriptor_t es_descr[255];
} iod_descriptor_t;
typedef struct
{
dvbpsi_handle handle;
int i_version;
int i_number;
int i_pid_pcr;
int i_pid_pmt;
/* IOD stuff (mpeg4) */
iod_descriptor_t *iod;
} ts_prg_psi_t;
typedef struct
{
/* for special PAT/SDT case */
dvbpsi_handle handle; /* PAT/SDT/EIT */
int i_pat_version;
int i_sdt_version;
/* For PMT */
int i_prg;
ts_prg_psi_t **prg;
} ts_psi_t;
typedef struct
{
es_format_t fmt;
es_out_id_t *id;
int i_pes_size;
int i_pes_gathered;
block_t *p_pes;
block_t **pp_last;
es_mpeg4_descriptor_t *p_mpeg4desc;
int b_gather;
} ts_es_t;
typedef struct
{
int i_pid;
bool b_seen;
bool b_valid;
int i_cc; /* countinuity counter */
/* PSI owner (ie PMT -> PAT, ES -> PMT */
ts_psi_t *p_owner;
int i_owner_number;
/* */
ts_psi_t *psi;
ts_es_t *es;
/* Some private streams encapsulate several ES (eg. DVB subtitles)*/
ts_es_t **extra_es;
int i_extra_es;
} ts_pid_t;
struct demux_sys_t
{
vlc_mutex_t csa_lock;
/* TS packet size (188, 192, 204) */
int i_packet_size;
/* how many TS packet we read at once */
int i_ts_read;
/* All pid */
ts_pid_t pid[8192];
/* All PMT */
bool b_user_pmt;
int i_pmt;
ts_pid_t **pmt;
/* */
bool b_es_id_pid;
csa_t *csa;
int i_csa_pkt_size;
bool b_silent;
bool b_udp_out;
int fd; /* udp socket */
uint8_t *buffer;
bool b_dvb_control;
int i_dvb_program;
int64_t i_dvb_start;
int64_t i_dvb_length;
vlc_list_t *p_programs_list;
/* TS dump */
char *psz_file; /* file to dump data in */
FILE *p_file; /* filehandle */
uint64_t i_write; /* bytes written */
bool b_file_out; /* dump mode enabled */
/* */
bool b_meta;
/* */
bool b_start_record;
};
static int Demux ( demux_t *p_demux );
static int DemuxFile( demux_t *p_demux );
static int Control( demux_t *p_demux, int i_query, va_list args );
static void PIDInit ( ts_pid_t *pid, bool b_psi, ts_psi_t *p_owner );
static void PIDClean( es_out_t *out, ts_pid_t *pid );
static int PIDFillFormat( ts_pid_t *pid, int i_stream_type );
static void PATCallBack( demux_t *, dvbpsi_pat_t * );
static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt );
#ifdef TS_USE_DVB_SI
static void PSINewTableCallBack( demux_t *, dvbpsi_handle,
uint8_t i_table_id, uint16_t i_extension );
#endif
static inline int PIDGet( block_t *p )
{
return ( (p->p_buffer[1]&0x1f)<<8 )|p->p_buffer[2];
}
static bool GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk );
static void PCRHandle( demux_t *p_demux, ts_pid_t *, block_t * );
static iod_descriptor_t *IODNew( int , uint8_t * );
static void IODFree( iod_descriptor_t * );
#define TS_USER_PMT_NUMBER (0)
static int UserPmt( demux_t *p_demux, const char * );
#define TS_PACKET_SIZE_188 188
#define TS_PACKET_SIZE_192 192
#define TS_PACKET_SIZE_204 204
#define TS_PACKET_SIZE_MAX 204
#define TS_TOPFIELD_HEADER 1320
/*****************************************************************************
* Open
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
const uint8_t *p_peek;
int i_sync, i_peek, i;
int i_packet_size;
ts_pid_t *pat;
const char *psz_mode;
bool b_append;
bool b_topfield = false;
if( stream_Peek( p_demux->s, &p_peek, TS_PACKET_SIZE_MAX ) <
TS_PACKET_SIZE_MAX ) return VLC_EGENERIC;
if( memcmp( p_peek, "TFrc", 4 ) == 0 )
{
b_topfield = true;
msg_Dbg( p_demux, "this is a topfield file" );
}
/* Search first sync byte */
for( i_sync = 0; i_sync < TS_PACKET_SIZE_MAX; i_sync++ )
{
if( p_peek[i_sync] == 0x47 ) break;
}
if( i_sync >= TS_PACKET_SIZE_MAX && !b_topfield )
{
if( !p_demux->b_force )
return VLC_EGENERIC;
msg_Warn( p_demux, "this does not look like a TS stream, continuing" );
}
if( b_topfield )
{
/* Read the entire Topfield header */
i_peek = TS_TOPFIELD_HEADER;
}
else
{
/* Check next 3 sync bytes */
i_peek = TS_PACKET_SIZE_MAX * 3 + i_sync + 1;
}
if( ( stream_Peek( p_demux->s, &p_peek, i_peek ) ) < i_peek )
{
msg_Err( p_demux, "cannot peek" );
return VLC_EGENERIC;
}
if( p_peek[i_sync + TS_PACKET_SIZE_188] == 0x47 &&
p_peek[i_sync + 2 * TS_PACKET_SIZE_188] == 0x47 &&
p_peek[i_sync + 3 * TS_PACKET_SIZE_188] == 0x47 )
{
i_packet_size = TS_PACKET_SIZE_188;
}
else if( p_peek[i_sync + TS_PACKET_SIZE_192] == 0x47 &&
p_peek[i_sync + 2 * TS_PACKET_SIZE_192] == 0x47 &&
p_peek[i_sync + 3 * TS_PACKET_SIZE_192] == 0x47 )
{
i_packet_size = TS_PACKET_SIZE_192;
}
else if( p_peek[i_sync + TS_PACKET_SIZE_204] == 0x47 &&
p_peek[i_sync + 2 * TS_PACKET_SIZE_204] == 0x47 &&
p_peek[i_sync + 3 * TS_PACKET_SIZE_204] == 0x47 )
{
i_packet_size = TS_PACKET_SIZE_204;
}
else if( p_demux->b_force )
{
i_packet_size = TS_PACKET_SIZE_188;
}
else if( b_topfield )
{
i_packet_size = TS_PACKET_SIZE_188;
#if 0
/* I used the TF5000PVR 2004 Firmware .doc header documentation,
* http://www.i-topfield.com/data/product/firmware/Structure%20of%20Recorded%20File%20in%20TF5000PVR%20(Feb%2021%202004).doc
* but after the filename the offsets seem to be incorrect. - DJ */
int i_duration, i_name;
char *psz_name = malloc(25);
char *psz_event_name;
char *psz_event_text = malloc(130);
char *psz_ext_text = malloc(1025);
// 2 bytes version Uimsbf (4,5)
// 2 bytes reserved (6,7)
// 2 bytes duration in minutes Uimsbf (8,9(
i_duration = (int) (p_peek[8] << 8) | p_peek[9];
msg_Dbg( p_demux, "Topfield recording length: +/- %d minutes", i_duration);
// 2 bytes service number in channel list (10, 11)
// 2 bytes service type Bslbf 0=TV 1=Radio Bslb (12, 13)
// 4 bytes of reserved + tuner info (14,15,16,17)
// 2 bytes of Service ID Bslbf (18,19)
// 2 bytes of PMT PID Uimsbf (20,21)
// 2 bytes of PCR PID Uimsbf (22,23)
// 2 bytes of Video PID Uimsbf (24,25)
// 2 bytes of Audio PID Uimsbf (26,27)
// 24 bytes filename Bslbf
memcpy( psz_name, &p_peek[28], 24 );
psz_name[24] = '\0';
msg_Dbg( p_demux, "recordingname=%s", psz_name );
// 1 byte of sat index Uimsbf (52)
// 3 bytes (1 bit of polarity Bslbf +23 bits reserved)
// 4 bytes of freq. Uimsbf (56,57,58,59)
// 2 bytes of symbol rate Uimsbf (60,61)
// 2 bytes of TS stream ID Uimsbf (62,63)
// 4 bytes reserved
// 2 bytes reserved
// 2 bytes duration Uimsbf (70,71)
//i_duration = (int) (p_peek[70] << 8) | p_peek[71];
//msg_Dbg( p_demux, "Topfield 2nd duration field: +/- %d minutes", i_duration);
// 4 bytes EventID Uimsbf (72-75)
// 8 bytes of Start and End time info (76-83)
// 1 byte reserved (84)
// 1 byte event name length Uimsbf (89)
i_name = (int)(p_peek[89]&~0x81);
msg_Dbg( p_demux, "event name length = %d", i_name);
psz_event_name = malloc( i_name+1 );
// 1 byte parental rating (90)
// 129 bytes of event text
memcpy( psz_event_name, &p_peek[91], i_name );
psz_event_name[i_name] = '\0';
memcpy( psz_event_text, &p_peek[91+i_name], 129-i_name );
psz_event_text[129-i_name] = '\0';
msg_Dbg( p_demux, "event name=%s", psz_event_name );
msg_Dbg( p_demux, "event text=%s", psz_event_text );
// 12 bytes reserved (220)
// 6 bytes reserved
// 2 bytes Event Text Length Uimsbf
// 4 bytes EventID Uimsbf
// FIXME We just have 613 bytes. not enough for this entire text
// 1024 bytes Extended Event Text Bslbf
memcpy( psz_ext_text, p_peek+372, 1024 );
psz_ext_text[1024] = '\0';
msg_Dbg( p_demux, "extended event text=%s", psz_ext_text );
// 52 bytes reserved Bslbf
#endif
}
else
{
msg_Warn( p_demux, "TS module discarded (lost sync)" );
return VLC_EGENERIC;
}
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
memset( p_sys, 0, sizeof( demux_sys_t ) );
p_sys->i_packet_size = i_packet_size;
vlc_mutex_init( &p_sys->csa_lock );
/* Fill dump mode fields */
p_sys->i_write = 0;
p_sys->buffer = NULL;
p_sys->p_file = NULL;
p_sys->b_file_out = false;
p_sys->psz_file = var_CreateGetString( p_demux, "ts-dump-file" );
if( *p_sys->psz_file != '\0' )
{
p_sys->b_file_out = true;
b_append = var_CreateGetBool( p_demux, "ts-dump-append" );
if ( b_append )
psz_mode = "ab";
else
psz_mode = "wb";
if( !strcmp( p_sys->psz_file, "-" ) )
{
msg_Info( p_demux, "dumping raw stream to standard output" );
p_sys->p_file = stdout;
}
else if( ( p_sys->p_file = utf8_fopen( p_sys->psz_file, psz_mode ) ) == NULL )
{
msg_Err( p_demux, "cannot create `%s' for writing", p_sys->psz_file );
p_sys->b_file_out = false;
}
if( p_sys->b_file_out )
{
/* Determine how many packets to read. */
int bufsize = var_CreateGetInteger( p_demux, "ts-dump-size" );
p_sys->i_ts_read = (int) (bufsize / p_sys->i_packet_size);
if( p_sys->i_ts_read <= 0 )
{
p_sys->i_ts_read = 1500 / p_sys->i_packet_size;
}
p_sys->buffer = malloc( p_sys->i_packet_size * p_sys->i_ts_read );
msg_Info( p_demux, "%s raw stream to file `%s' reading packets %d",
b_append ? "appending" : "dumping", p_sys->psz_file,
p_sys->i_ts_read );
}
}
/* Fill p_demux field */
if( p_sys->b_file_out )
p_demux->pf_demux = DemuxFile;
else
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
/* Init p_sys field */
p_sys->b_meta = true;
p_sys->b_dvb_control = true;
p_sys->i_dvb_program = 0;
p_sys->i_dvb_start = 0;
p_sys->i_dvb_length = 0;
for( i = 0; i < 8192; i++ )
{
ts_pid_t *pid = &p_sys->pid[i];
pid->i_pid = i;
pid->b_seen = false;
pid->b_valid = false;
}
/* PID 8191 is padding */
p_sys->pid[8191].b_seen = true;
p_sys->i_packet_size = i_packet_size;
p_sys->b_udp_out = false;
p_sys->fd = -1;
p_sys->i_ts_read = 50;
p_sys->csa = NULL;
p_sys->b_start_record = false;
/* Init PAT handler */
pat = &p_sys->pid[0];
PIDInit( pat, true, NULL );
pat->psi->handle = dvbpsi_AttachPAT( (dvbpsi_pat_callback)PATCallBack,
p_demux );
#ifdef TS_USE_DVB_SI
if( p_sys->b_meta )
{
ts_pid_t *sdt = &p_sys->pid[0x11];
ts_pid_t *eit = &p_sys->pid[0x12];
PIDInit( sdt, true, NULL );
sdt->psi->handle =
dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack,
p_demux );
PIDInit( eit, true, NULL );
eit->psi->handle =
dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack,
p_demux );
if( p_sys->b_dvb_control )
{
if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, 0x11, true ) ||
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, 0x12, true ) )
p_sys->b_dvb_control = false;
}
}
#endif
/* Init PMT array */
TAB_INIT( p_sys->i_pmt, p_sys->pmt );
/* Read config */
p_sys->b_es_id_pid = var_CreateGetBool( p_demux, "ts-es-id-pid" );
char* psz_string = var_CreateGetString( p_demux, "ts-out" );
if( psz_string && *psz_string && !p_sys->b_file_out )
{
char *psz = strchr( psz_string, ':' );
int i_port = 0;
p_sys->b_udp_out = true;
if( psz )
{
*psz++ = '\0';
i_port = atoi( psz );
}
if( i_port <= 0 ) i_port = 1234;
msg_Dbg( p_demux, "resend ts to '%s:%d'", psz_string, i_port );
p_sys->fd = net_ConnectUDP( VLC_OBJECT(p_demux), psz_string, i_port, -1 );
if( p_sys->fd < 0 )
{
msg_Err( p_demux, "failed to open udp socket, send disabled" );
p_sys->b_udp_out = false;
}
else
{
int i_mtu = var_CreateGetInteger( p_demux, "ts-out-mtu" );
p_sys->i_ts_read = i_mtu / p_sys->i_packet_size;
if( p_sys->i_ts_read <= 0 )
{
p_sys->i_ts_read = 1500 / p_sys->i_packet_size;
}
p_sys->buffer = malloc( p_sys->i_packet_size * p_sys->i_ts_read );
}
}
free( psz_string );
/* We handle description of an extra PMT */
psz_string = var_CreateGetString( p_demux, "ts-extra-pmt" );
p_sys->b_user_pmt = false;
if( psz_string && *psz_string )
UserPmt( p_demux, psz_string );
free( psz_string );
psz_string = var_CreateGetStringCommand( p_demux, "ts-csa-ck" );
if( psz_string && *psz_string )
{
int i_res;
char* psz_csa2;
p_sys->csa = csa_New();
psz_csa2 = var_CreateGetStringCommand( p_demux, "ts-csa2-ck" );
i_res = csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, true );
if( i_res == VLC_SUCCESS && psz_csa2 && *psz_csa2 )
{
if( csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_csa2, false ) != VLC_SUCCESS )
{
csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, false );
}
}
else if ( i_res == VLC_SUCCESS )
{
csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, false );
}
else
{
csa_Delete( p_sys->csa );
p_sys->csa = NULL;
}
if( p_sys->csa )
{
var_AddCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, (void *)1 );
var_AddCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL );
int i_pkt = var_CreateGetInteger( p_demux, "ts-csa-pkt" );
if( i_pkt < 4 || i_pkt > 188 )
{
msg_Err( p_demux, "wrong packet size %d specified.", i_pkt );
msg_Warn( p_demux, "using default packet size of 188 bytes" );
p_sys->i_csa_pkt_size = 188;
}
else
p_sys->i_csa_pkt_size = i_pkt;
msg_Dbg( p_demux, "decrypting %d bytes of packet", p_sys->i_csa_pkt_size );
}
free( psz_csa2 );
}
free( psz_string );
p_sys->b_silent = var_CreateGetBool( p_demux, "ts-silent" );
return VLC_SUCCESS;
}
/*****************************************************************************
* Close
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
int i;
msg_Dbg( p_demux, "pid list:" );
for( i = 0; i < 8192; i++ )
{
ts_pid_t *pid = &p_sys->pid[i];
if( pid->b_valid && pid->psi )
{
switch( pid->i_pid )
{
case 0: /* PAT */
dvbpsi_DetachPAT( pid->psi->handle );
free( pid->psi );
break;
case 1: /* CAT */
free( pid->psi );
break;
case 0x11: /* SDT */
case 0x12: /* EIT */
dvbpsi_DetachDemux( pid->psi->handle );
free( pid->psi );
break;
default:
PIDClean( p_demux->out, pid );
break;
}
}
else if( pid->b_valid && pid->es )
{
PIDClean( p_demux->out, pid );
}
if( pid->b_seen )
{
msg_Dbg( p_demux, " - pid[%d] seen", pid->i_pid );
}
if( p_sys->b_dvb_control && pid->i_pid > 0 )
{
/* too much */
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, pid->i_pid,
false );
}
}
vlc_mutex_lock( &p_sys->csa_lock );
if( p_sys->csa )
{
var_DelCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, NULL );
var_DelCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL );
csa_Delete( p_sys->csa );
}
vlc_mutex_unlock( &p_sys->csa_lock );
TAB_CLEAN( p_sys->i_pmt, p_sys->pmt );
if ( p_sys->p_programs_list )
{
vlc_value_t val;
val.p_list = p_sys->p_programs_list;
var_Change( p_demux, "programs", VLC_VAR_FREELIST, &val, NULL );
}
/* If in dump mode, then close the file */
if( p_sys->b_file_out )
{
msg_Info( p_demux ,"closing %s (%"PRId64" Kbytes dumped)",
p_sys->psz_file, p_sys->i_write / 1024 );
if( p_sys->p_file != stdout )
{
fclose( p_sys->p_file );
}
}
/* When streaming, close the port */
if( p_sys->fd > -1 )
{
net_Close( p_sys->fd );
}
free( p_sys->buffer );
free( p_sys->psz_file );
vlc_mutex_destroy( &p_sys->csa_lock );
free( p_sys );
}
/*****************************************************************************
* ChangeKeyCallback: called when changing the odd encryption key on the fly.
*****************************************************************************/
static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval,
void *p_data )
{
VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
int i_tmp = (intptr_t)p_data;
vlc_mutex_lock( &p_sys->csa_lock );
if ( i_tmp )
i_tmp = csa_SetCW( p_this, p_sys->csa, newval.psz_string, true );
else
i_tmp = csa_SetCW( p_this, p_sys->csa, newval.psz_string, false );
vlc_mutex_unlock( &p_sys->csa_lock );
return i_tmp;
}
/*****************************************************************************
* DemuxFile:
*****************************************************************************/
static int DemuxFile( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
uint8_t *p_buffer = p_sys->buffer; /* Put first on sync byte */
int i_diff= 0;
int i_data= 0;
int i_pos = 0;
int i_bufsize = p_sys->i_packet_size * p_sys->i_ts_read;
i_data = stream_Read( p_demux->s, p_sys->buffer, i_bufsize );
if( (i_data <= 0) && (i_data < p_sys->i_packet_size) )
{
msg_Dbg( p_demux, "error reading malformed packets" );
return i_data;
}
/* Test continuity counter */
while( i_pos < i_data )
{
ts_pid_t *p_pid; /* point to a PID structure */
bool b_payload; /* indicates a packet with payload */
bool b_adaptation; /* adaptation field */
int i_cc = 0; /* continuity counter */
if( p_sys->buffer[i_pos] != 0x47 )
{
msg_Warn( p_demux, "lost sync" );
while( vlc_object_alive (p_demux) && (i_pos < i_data) )
{
i_pos++;
if( p_sys->buffer[i_pos] == 0x47 )
break;
}
if( vlc_object_alive (p_demux) )
msg_Warn( p_demux, "sync found" );
}
/* continuous when (one of this):
* diff == 1
* diff == 0 and payload == 0
* diff == 0 and duplicate packet (playload != 0) <- should we
* test the content ?
*/
i_cc = p_buffer[i_pos+3]&0x0f;
b_payload = p_buffer[i_pos+3]&0x10;
b_adaptation = p_buffer[i_pos+3]&0x20;
/* Get the PID */
p_pid = &p_sys->pid[ ((p_buffer[i_pos+1]&0x1f)<<8)|p_buffer[i_pos+2] ];
/* Detect discontinuity indicator in adaptation field */
if( b_adaptation && p_buffer[i_pos + 4] > 0 )
{
if( p_buffer[i_pos+5]&0x80 )
msg_Warn( p_demux, "discontinuity indicator (pid=%d) ", p_pid->i_pid );
if( p_buffer[i_pos+5]&0x40 )
msg_Warn( p_demux, "random access indicator (pid=%d) ", p_pid->i_pid );
}
i_diff = ( i_cc - p_pid->i_cc )&0x0f;
if( b_payload && i_diff == 1 )
{
p_pid->i_cc = ( p_pid->i_cc + 1 ) & 0xf;
}
else
{
if( p_pid->i_cc == 0xff )
{
msg_Warn( p_demux, "first packet for pid=%d cc=0x%x",
p_pid->i_pid, i_cc );
p_pid->i_cc = i_cc;
}
else if( i_diff != 0 )
{
/* FIXME what to do when discontinuity_indicator is set ? */
msg_Warn( p_demux, "transport error detected 0x%x instead of 0x%x",
i_cc, ( p_pid->i_cc + 1 )&0x0f );
p_pid->i_cc = i_cc;
/* Mark transport error in the TS packet. */
p_buffer[i_pos+1] |= 0x80;
}
}
/* Test if user wants to decrypt it first */
if( p_sys->csa )
{
vlc_mutex_lock( &p_sys->csa_lock );
csa_Decrypt( p_demux->p_sys->csa, &p_buffer[i_pos], p_demux->p_sys->i_csa_pkt_size );
vlc_mutex_unlock( &p_sys->csa_lock );
}
i_pos += p_sys->i_packet_size;
}
/* Then write */
i_data = fwrite( p_sys->buffer, 1, i_data, p_sys->p_file );
if( i_data < 0 )
{
msg_Err( p_demux, "failed to write data" );
return -1;
}
#if 0
msg_Dbg( p_demux, "dumped %d bytes", i_data );
#endif
p_sys->i_write += i_data;
return 1;
}
/*****************************************************************************
* Demux:
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
int i_pkt;
/* We read at most 100 TS packet or until a frame is completed */
for( i_pkt = 0; i_pkt < p_sys->i_ts_read; i_pkt++ )
{
bool b_frame = false;
block_t *p_pkt;
ts_pid_t *p_pid;
/* Get a new TS packet */
if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) )
{
msg_Dbg( p_demux, "eof ?" );
return 0;
}
/* Check sync byte and re-sync if needed */
if( p_pkt->p_buffer[0] != 0x47 )
{
msg_Warn( p_demux, "lost synchro" );
block_Release( p_pkt );
while( vlc_object_alive (p_demux) )
{
const uint8_t *p_peek;
int i_peek, i_skip = 0;
i_peek = stream_Peek( p_demux->s, &p_peek,
p_sys->i_packet_size * 10 );
if( i_peek < p_sys->i_packet_size + 1 )
{
msg_Dbg( p_demux, "eof ?" );
return 0;
}
while( i_skip < i_peek - p_sys->i_packet_size )
{
if( p_peek[i_skip] == 0x47 &&
p_peek[i_skip + p_sys->i_packet_size] == 0x47 )
{
break;
}
i_skip++;
}
msg_Dbg( p_demux, "skipping %d bytes of garbage", i_skip );
stream_Read( p_demux->s, NULL, i_skip );
if( i_skip < i_peek - p_sys->i_packet_size )
{
break;
}
}
if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) )
{
msg_Dbg( p_demux, "eof ?" );
return 0;
}
}
if( p_sys->b_start_record )
{
/* Enable recording once synchronized */
stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, true, "ts" );
p_sys->b_start_record = false;
}
if( p_sys->b_udp_out )
{
memcpy( &p_sys->buffer[i_pkt * p_sys->i_packet_size],
p_pkt->p_buffer, p_sys->i_packet_size );
}
/* Parse the TS packet */
p_pid = &p_sys->pid[PIDGet( p_pkt )];
if( p_pid->b_valid )
{
if( p_pid->psi )
{
if( p_pid->i_pid == 0 || p_pid->i_pid == 0x11 || p_pid->i_pid == 0x12 )
{
dvbpsi_PushPacket( p_pid->psi->handle, p_pkt->p_buffer );
}
else
{
int i_prg;
for( i_prg = 0; i_prg < p_pid->psi->i_prg; i_prg++ )
{
dvbpsi_PushPacket( p_pid->psi->prg[i_prg]->handle,
p_pkt->p_buffer );
}
}
block_Release( p_pkt );
}
else if( !p_sys->b_udp_out )
{
b_frame = GatherPES( p_demux, p_pid, p_pkt );
}
else
{
PCRHandle( p_demux, p_pid, p_pkt );
block_Release( p_pkt );
}
}
else
{
if( !p_pid->b_seen )
{
msg_Dbg( p_demux, "pid[%d] unknown", p_pid->i_pid );
}
/* We have to handle PCR if present */
PCRHandle( p_demux, p_pid, p_pkt );
block_Release( p_pkt );
}
p_pid->b_seen = true;
if( b_frame )
{
break;
}
}
if( p_sys->b_udp_out )
{
/* Send the complete block */
net_Write( p_demux, p_sys->fd, NULL, p_sys->buffer,
p_sys->i_ts_read * p_sys->i_packet_size );
}
return 1;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int DVBEventInformation( demux_t *p_demux, int64_t *pi_time, int64_t *pi_length )
{
demux_sys_t *p_sys = p_demux->p_sys;
if( pi_length )
*pi_length = 0;
if( pi_time )
*pi_time = 0;
#ifdef HAVE_TIME_H
if( p_sys->b_dvb_control && p_sys->i_dvb_length > 0 )
{
/* FIXME we should not use time() but read the date from the tdt */
const time_t t = time( NULL );
if( p_sys->i_dvb_start <= t && t < p_sys->i_dvb_start + p_sys->i_dvb_length )
{
if( pi_length )
*pi_length = p_sys->i_dvb_length * INT64_C(1000000);
if( pi_time )
*pi_time = (t - p_sys->i_dvb_start) * INT64_C(1000000);
return VLC_SUCCESS;
}
}
#endif
return VLC_EGENERIC;
}
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
double f, *pf;
bool b_bool, *pb_bool;
int64_t i64;
int64_t *pi64;
int i_int;
if( p_sys->b_file_out )
return demux_vaControlHelper( p_demux->s, 0, -1, 0, 1, i_query, args );
switch( i_query )
{
case DEMUX_GET_POSITION:
pf = (double*) va_arg( args, double* );
i64 = stream_Size( p_demux->s );
if( i64 > 0 )
{
*pf = (double)stream_Tell( p_demux->s ) / (double)i64;
}
else
{
int64_t i_time, i_length;
if( !DVBEventInformation( p_demux, &i_time, &i_length ) && i_length > 0 )
*pf = (double)i_time/(double)i_length;
else
*pf = 0.0;
}
return VLC_SUCCESS;
case DEMUX_SET_POSITION:
f = (double) va_arg( args, double );
i64 = stream_Size( p_demux->s );
if( stream_Seek( p_demux->s, (int64_t)(i64 * f) ) )
return VLC_EGENERIC;
return VLC_SUCCESS;
#if 0
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_time < 0 )
{
*pi64 = 0;
return VLC_EGENERIC;
}
*pi64 = p_sys->i_time;
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_mux_rate > 0 )
{
*pi64 = INT64_C(1000000) * ( stream_Size( p_demux->s ) / 50 ) /
p_sys->i_mux_rate;
return VLC_SUCCESS;
}
*pi64 = 0;
return VLC_EGENERIC;
#else
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( DVBEventInformation( p_demux, pi64, NULL ) )
*pi64 = 0;
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( DVBEventInformation( p_demux, NULL, pi64 ) )
*pi64 = 0;
return VLC_SUCCESS;
#endif
case DEMUX_SET_GROUP:
{
uint16_t i_vpid = 0, i_apid1 = 0, i_apid2 = 0, i_apid3 = 0;
ts_prg_psi_t *p_prg = NULL;
vlc_list_t *p_list;
i_int = (int)va_arg( args, int );
p_list = (vlc_list_t *)va_arg( args, vlc_list_t * );
msg_Dbg( p_demux, "DEMUX_SET_GROUP %d %p", i_int, p_list );
if( p_sys->b_dvb_control && i_int > 0 && i_int != p_sys->i_dvb_program )
{
int i_pmt_pid = -1;
int i;
/* Search pmt to be unselected */
for( i = 0; i < p_sys->i_pmt; i++ )
{
ts_pid_t *pmt = p_sys->pmt[i];
int i_prg;
for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
{
if( pmt->psi->prg[i_prg]->i_number == p_sys->i_dvb_program )
{
i_pmt_pid = p_sys->pmt[i]->i_pid;
break;
}
}
if( i_pmt_pid > 0 ) break;
}
if( i_pmt_pid > 0 )
{
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, i_pmt_pid,
false );
/* All ES */
for( i = 2; i < 8192; i++ )
{
ts_pid_t *pid = &p_sys->pid[i];
int i_prg;
if( !pid->b_valid || pid->psi ) continue;
for( i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ )
{
if( pid->p_owner->prg[i_prg]->i_pid_pmt == i_pmt_pid && pid->es->id )
{
/* We only remove es that aren't defined by extra pmt */
stream_Control( p_demux->s,
STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE,
i, false );
break;
}
}
}
}
/* select new program */
p_sys->i_dvb_program = i_int;
i_pmt_pid = -1;
for( i = 0; i < p_sys->i_pmt; i++ )
{
ts_pid_t *pmt = p_sys->pmt[i];
int i_prg;
for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
{
if( pmt->psi->prg[i_prg]->i_number == i_int )
{
i_pmt_pid = p_sys->pmt[i]->i_pid;
p_prg = p_sys->pmt[i]->psi->prg[i_prg];
break;
}
}
if( i_pmt_pid > 0 ) break;
}
if( i_pmt_pid > 0 )
{
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, i_pmt_pid,
true );
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, p_prg->i_pid_pcr,
true );
for( i = 2; i < 8192; i++ )
{
ts_pid_t *pid = &p_sys->pid[i];
int i_prg;
if( !pid->b_valid || pid->psi ) continue;
for( i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ )
{
if( pid->p_owner->prg[i_prg]->i_pid_pmt == i_pmt_pid && pid->es->id )
{
if ( pid->es->fmt.i_cat == VIDEO_ES && !i_vpid )
i_vpid = i;
if ( pid->es->fmt.i_cat == AUDIO_ES && !i_apid1 )
i_apid1 = i;
else if ( pid->es->fmt.i_cat == AUDIO_ES && !i_apid2 )
i_apid2 = i;
else if ( pid->es->fmt.i_cat == AUDIO_ES && !i_apid3 )
i_apid3 = i;
stream_Control( p_demux->s,
STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE,
i, true );
break;
}
}
}
}
}
else
{
p_sys->i_dvb_program = -1;
p_sys->p_programs_list = p_list;
}
return VLC_SUCCESS;
}
case DEMUX_CAN_RECORD:
pb_bool = (bool*)va_arg( args, bool * );
*pb_bool = true;
return VLC_SUCCESS;
case DEMUX_SET_RECORD_STATE:
b_bool = (bool)va_arg( args, int );
if( !b_bool )
stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, false );
p_sys->b_start_record = b_bool;
return VLC_SUCCESS;
case DEMUX_GET_FPS:
case DEMUX_SET_TIME:
default:
return VLC_EGENERIC;
}
}
/*****************************************************************************
*
*****************************************************************************/
static int UserPmt( demux_t *p_demux, const char *psz_fmt )
{
demux_sys_t *p_sys = p_demux->p_sys;
char *psz_dup = strdup( psz_fmt );
char *psz = psz_dup;
int i_pid;
int i_number;
if( !psz_dup )
return VLC_ENOMEM;
/* Parse PID */
i_pid = strtol( psz, &psz, 0 );
if( i_pid < 2 || i_pid >= 8192 )
goto error;
/* Parse optional program number */
i_number = 0;
if( *psz == ':' )
i_number = strtol( &psz[1], &psz, 0 );
/* */
ts_pid_t *pmt = &p_sys->pid[i_pid];
ts_prg_psi_t *prg;
msg_Dbg( p_demux, "user pmt specified (pid=%d,number=%d)", i_pid, i_number );
PIDInit( pmt, true, NULL );
/* Dummy PMT */
prg = malloc( sizeof( ts_prg_psi_t ) );
if( !prg )
goto error;
memset( prg, 0, sizeof( ts_prg_psi_t ) );
prg->i_pid_pcr = -1;
prg->i_pid_pmt = -1;
prg->i_version = -1;
prg->i_number = i_number != 0 ? i_number : TS_USER_PMT_NUMBER;
prg->handle = dvbpsi_AttachPMT( i_number != TS_USER_PMT_NUMBER ? i_number : 1, (dvbpsi_pmt_callback)PMTCallBack, p_demux );
TAB_APPEND( pmt->psi->i_prg, pmt->psi->prg, prg );
psz = strchr( psz, '=' );
if( psz )
psz++;
while( psz && *psz )
{
char *psz_next = strchr( psz, ',' );
int i_pid;
if( psz_next )
*psz_next++ = '\0';
i_pid = strtol( psz, &psz, 0 );
if( *psz != ':' || i_pid < 2 || i_pid >= 8192 )
goto next;
char *psz_opt = &psz[1];
if( !strcmp( psz_opt, "pcr" ) )
{
prg->i_pid_pcr = i_pid;
}
else if( !p_sys->pid[i_pid].b_valid )
{
ts_pid_t *pid = &p_sys->pid[i_pid];
char *psz_arg = strchr( psz_opt, '=' );
if( psz_arg )
*psz_arg++ = '\0';
PIDInit( pid, false, pmt->psi);
if( prg->i_pid_pcr <= 0 )
prg->i_pid_pcr = i_pid;
if( psz_arg && strlen( psz_arg ) == 4 )
{
const vlc_fourcc_t i_codec = VLC_FOURCC( psz_arg[0], psz_arg[1],
psz_arg[2], psz_arg[3] );
int i_cat = UNKNOWN_ES;
es_format_t *fmt = &pid->es->fmt;
if( !strcmp( psz_opt, "video" ) )
i_cat = VIDEO_ES;
else if( !strcmp( psz_opt, "audio" ) )
i_cat = AUDIO_ES;
else if( !strcmp( psz_opt, "spu" ) )
i_cat = SPU_ES;
es_format_Init( fmt, i_cat, i_codec );
fmt->b_packetized = false;
}
else
{
const int i_stream_type = strtol( psz_opt, NULL, 0 );
PIDFillFormat( pid, i_stream_type );
}
pid->es->fmt.i_group = i_number;
if( p_sys->b_es_id_pid )
pid->es->fmt.i_id = i_pid;
if( pid->es->fmt.i_cat != UNKNOWN_ES )
{
msg_Dbg( p_demux, " * es pid=%d fcc=%4.4s", i_pid,
(char*)&pid->es->fmt.i_codec );
pid->es->id = es_out_Add( p_demux->out,
&pid->es->fmt );
}
}
next:
psz = psz_next;
}
p_sys->b_user_pmt = true;
TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt );
free( psz_dup );
return VLC_SUCCESS;
error:
free( psz_dup );
return VLC_EGENERIC;
}
static void PIDInit( ts_pid_t *pid, bool b_psi, ts_psi_t *p_owner )
{
bool b_old_valid = pid->b_valid;
pid->b_valid = true;
pid->i_cc = 0xff;
pid->p_owner = p_owner;
pid->i_owner_number = 0;
TAB_INIT( pid->i_extra_es, pid->extra_es );
if( b_psi )
{
pid->es = NULL;
if( !b_old_valid )
{
pid->psi = malloc( sizeof( ts_psi_t ) );
if( pid->psi )
{
pid->psi->handle = NULL;
TAB_INIT( pid->psi->i_prg, pid->psi->prg );
}
}
assert( pid->psi );
pid->psi->i_pat_version = -1;
pid->psi->i_sdt_version = -1;
if( p_owner )
{
ts_prg_psi_t *prg = malloc( sizeof( ts_prg_psi_t ) );
if( prg )
{
/* PMT */
prg->i_version = -1;
prg->i_number = -1;
prg->i_pid_pcr = -1;
prg->i_pid_pmt = -1;
prg->iod = NULL;
prg->handle = NULL;
TAB_APPEND( pid->psi->i_prg, pid->psi->prg, prg );
}
}
}
else
{
pid->psi = NULL;
pid->es = malloc( sizeof( ts_es_t ) );
if( pid->es )
{
es_format_Init( &pid->es->fmt, UNKNOWN_ES, 0 );
pid->es->id = NULL;
pid->es->p_pes = NULL;
pid->es->i_pes_size= 0;
pid->es->i_pes_gathered= 0;
pid->es->pp_last = &pid->es->p_pes;
pid->es->p_mpeg4desc = NULL;
pid->es->b_gather = false;
}
}
}
static void PIDClean( es_out_t *out, ts_pid_t *pid )
{
if( pid->psi )
{
int i;
if( pid->psi->handle ) dvbpsi_DetachPMT( pid->psi->handle );
for( i = 0; i < pid->psi->i_prg; i++ )
{
if( pid->psi->prg[i]->iod )
IODFree( pid->psi->prg[i]->iod );
if( pid->psi->prg[i]->handle )
dvbpsi_DetachPMT( pid->psi->prg[i]->handle );
free( pid->psi->prg[i] );
}
free( pid->psi->prg );
free( pid->psi );
}
else
{
int i;
if( pid->es->id )
es_out_Del( out, pid->es->id );
if( pid->es->p_pes )
block_ChainRelease( pid->es->p_pes );
es_format_Clean( &pid->es->fmt );
free( pid->es );
for( i = 0; i < pid->i_extra_es; i++ )
{
if( pid->extra_es[i]->id )
es_out_Del( out, pid->extra_es[i]->id );
if( pid->extra_es[i]->p_pes )
block_ChainRelease( pid->extra_es[i]->p_pes );
es_format_Clean( &pid->extra_es[i]->fmt );
free( pid->extra_es[i] );
}
if( pid->i_extra_es ) free( pid->extra_es );
}
pid->b_valid = false;
}
/****************************************************************************
* gathering stuff
****************************************************************************/
static void ParsePES( demux_t *p_demux, ts_pid_t *pid )
{
block_t *p_pes = pid->es->p_pes;
uint8_t header[34];
int i_pes_size = 0;
int i_skip = 0;
mtime_t i_dts = -1;
mtime_t i_pts = -1;
mtime_t i_length = 0;
int i_max;
/* remove the pes from pid */
pid->es->p_pes = NULL;
pid->es->i_pes_size= 0;
pid->es->i_pes_gathered= 0;
pid->es->pp_last = &pid->es->p_pes;
/* FIXME find real max size */
i_max = block_ChainExtract( p_pes, header, 34 );
if( header[0] != 0 || header[1] != 0 || header[2] != 1 )
{
if( !p_demux->p_sys->b_silent )
msg_Warn( p_demux, "invalid header [0x%x:%x:%x:%x] (pid: %d)",
header[0], header[1],header[2],header[3], pid->i_pid );
block_ChainRelease( p_pes );
return;
}
/* TODO check size */
switch( header[3] )
{
case 0xBC: /* Program stream map */
case 0xBE: /* Padding */
case 0xBF: /* Private stream 2 */
case 0xF0: /* ECM */
case 0xF1: /* EMM */
case 0xFF: /* Program stream directory */
case 0xF2: /* DSMCC stream */
case 0xF8: /* ITU-T H.222.1 type E stream */
i_skip = 6;
break;
default:
if( ( header[6]&0xC0 ) == 0x80 )
{
/* mpeg2 PES */
i_skip = header[8] + 9;
if( header[7]&0x80 ) /* has pts */
{
i_pts = ((mtime_t)(header[ 9]&0x0e ) << 29)|
(mtime_t)(header[10] << 22)|
((mtime_t)(header[11]&0xfe) << 14)|
(mtime_t)(header[12] << 7)|
(mtime_t)(header[13] >> 1);
if( header[7]&0x40 ) /* has dts */
{
i_dts = ((mtime_t)(header[14]&0x0e ) << 29)|
(mtime_t)(header[15] << 22)|
((mtime_t)(header[16]&0xfe) << 14)|
(mtime_t)(header[17] << 7)|
(mtime_t)(header[18] >> 1);
}
}
}
else
{
i_skip = 6;
while( i_skip < 23 && header[i_skip] == 0xff )
{
i_skip++;
}
if( i_skip == 23 )
{
msg_Err( p_demux, "too much MPEG-1 stuffing" );
block_ChainRelease( p_pes );
return;
}
if( ( header[i_skip] & 0xC0 ) == 0x40 )
{
i_skip += 2;
}
if( header[i_skip]&0x20 )
{
i_pts = ((mtime_t)(header[i_skip]&0x0e ) << 29)|
(mtime_t)(header[i_skip+1] << 22)|
((mtime_t)(header[i_skip+2]&0xfe) << 14)|
(mtime_t)(header[i_skip+3] << 7)|
(mtime_t)(header[i_skip+4] >> 1);
if( header[i_skip]&0x10 ) /* has dts */
{
i_dts = ((mtime_t)(header[i_skip+5]&0x0e ) << 29)|
(mtime_t)(header[i_skip+6] << 22)|
((mtime_t)(header[i_skip+7]&0xfe) << 14)|
(mtime_t)(header[i_skip+8] << 7)|
(mtime_t)(header[i_skip+9] >> 1);
i_skip += 10;
}
else
{
i_skip += 5;
}
}
else
{
i_skip += 1;
}
}
break;
}
if( pid->es->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', 'b' ) ||
pid->es->fmt.i_codec == VLC_FOURCC( 'd', 't', 's', 'b' ) )
{
i_skip += 4;
}
else if( pid->es->fmt.i_codec == VLC_FOURCC( 'l', 'p', 'c', 'b' ) ||
pid->es->fmt.i_codec == VLC_FOURCC( 's', 'p', 'u', 'b' ) ||
pid->es->fmt.i_codec == VLC_FOURCC( 's', 'd', 'd', 'b' ) )
{
i_skip += 1;
}
else if( pid->es->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) &&
pid->es->p_mpeg4desc )
{
decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr;
if( dcd->i_decoder_specific_info_len > 2 &&
dcd->p_decoder_specific_info[0] == 0x10 &&
( dcd->p_decoder_specific_info[1]&0x10 ) )
{
/* display length */
if( p_pes->i_buffer + 2 <= i_skip )
{
i_length = GetWBE( &p_pes->p_buffer[i_skip] );
}
i_skip += 2;
}
if( p_pes->i_buffer + 2 <= i_skip )
{
i_pes_size = GetWBE( &p_pes->p_buffer[i_skip] );
}
/* */
i_skip += 2;
}
#ifdef ZVBI_COMPILED
else if( pid->es->fmt.i_codec == VLC_FOURCC( 't', 'e', 'l', 'x' ) )
i_skip = 0; /*hack for zvbi support */
#endif
/* skip header */
while( p_pes && i_skip > 0 )
{
if( p_pes->i_buffer <= i_skip )
{
block_t *p_next = p_pes->p_next;
i_skip -= p_pes->i_buffer;
block_Release( p_pes );
p_pes = p_next;
}
else
{
p_pes->i_buffer -= i_skip;
p_pes->p_buffer += i_skip;
break;
}
}
/* ISO/IEC 13818-1 2.7.5: if no pts and no dts, then dts == pts */
if( i_pts >= 0 && i_dts < 0 )
i_dts = i_pts;
if( p_pes )
{
block_t *p_block;
int i;
if( i_dts >= 0 )
{
p_pes->i_dts = i_dts * 100 / 9;
}
if( i_pts >= 0 )
{
p_pes->i_pts = i_pts * 100 / 9;
}
p_pes->i_length = i_length * 100 / 9;
p_block = block_ChainGather( p_pes );
if( pid->es->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
{
if( i_pes_size > 0 && p_block->i_buffer > i_pes_size )
{
p_block->i_buffer = i_pes_size;
}
/* Append a \0 */
p_block = block_Realloc( p_block, 0, p_block->i_buffer + 1 );
p_block->p_buffer[p_block->i_buffer -1] = '\0';
}
for( i = 0; i < pid->i_extra_es; i++ )
{
es_out_Send( p_demux->out, pid->extra_es[i]->id,
block_Duplicate( p_block ) );
}
es_out_Send( p_demux->out, pid->es->id, p_block );
}
else
{
msg_Warn( p_demux, "empty pes" );
}
}
static void PCRHandle( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk )
{
demux_sys_t *p_sys = p_demux->p_sys;
const uint8_t *p = p_bk->p_buffer;
if( ( p[3]&0x20 ) && /* adaptation */
( p[5]&0x10 ) &&
( p[4] >= 7 ) )
{
int i;
mtime_t i_pcr; /* 33 bits */
i_pcr = ( (mtime_t)p[6] << 25 ) |
( (mtime_t)p[7] << 17 ) |
( (mtime_t)p[8] << 9 ) |
( (mtime_t)p[9] << 1 ) |
( (mtime_t)p[10] >> 7 );
/* Search program and set the PCR */
for( i = 0; i < p_sys->i_pmt; i++ )
{
int i_prg;
for( i_prg = 0; i_prg < p_sys->pmt[i]->psi->i_prg; i_prg++ )
{
if( pid->i_pid == p_sys->pmt[i]->psi->prg[i_prg]->i_pid_pcr )
{
es_out_Control( p_demux->out, ES_OUT_SET_GROUP_PCR,
(int)p_sys->pmt[i]->psi->prg[i_prg]->i_number,
(int64_t)(i_pcr * 100 / 9) );
}
}
}
}
}
static bool GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk )
{
const uint8_t *p = p_bk->p_buffer;
const bool b_unit_start = p[1]&0x40;
const bool b_adaptation = p[3]&0x20;
const bool b_payload = p[3]&0x10;
const int i_cc = p[3]&0x0f; /* continuity counter */
bool b_discontinuity = false;/* discontinuity */
/* transport_scrambling_control is ignored */
int i_skip = 0;
bool i_ret = false;
int i_diff;
#if 0
msg_Dbg( p_demux, "pid=%d unit_start=%d adaptation=%d payload=%d "
"cc=0x%x", pid->i_pid, b_unit_start, b_adaptation,
b_payload, i_cc );
#endif
/* For now, ignore additional error correction
* TODO: handle Reed-Solomon 204,188 error correction */
p_bk->i_buffer = TS_PACKET_SIZE_188;
if( p[1]&0x80 )
{
msg_Dbg( p_demux, "transport_error_indicator set (pid=%d)",
pid->i_pid );
if( pid->es->p_pes ) //&& pid->es->fmt.i_cat == VIDEO_ES )
pid->es->p_pes->i_flags |= BLOCK_FLAG_CORRUPTED;
}
if( p_demux->p_sys->csa )
{
vlc_mutex_lock( &p_demux->p_sys->csa_lock );
csa_Decrypt( p_demux->p_sys->csa, p_bk->p_buffer, p_demux->p_sys->i_csa_pkt_size );
vlc_mutex_unlock( &p_demux->p_sys->csa_lock );
}
if( !b_adaptation )
{
/* We don't have any adaptation_field, so payload starts
* immediately after the 4 byte TS header */
i_skip = 4;
}
else
{
/* p[4] is adaptation_field_length minus one */
i_skip = 5 + p[4];
if( p[4] > 0 )
{
/* discontinuity indicator found in stream */
b_discontinuity = (p[5]&0x80) ? true : false;
if( b_discontinuity && pid->es->p_pes )
{
msg_Warn( p_demux, "discontinuity indicator (pid=%d) ",
pid->i_pid );
/* pid->es->p_pes->i_flags |= BLOCK_FLAG_DISCONTINUITY; */
}
#if 0
if( p[5]&0x40 )
msg_Dbg( p_demux, "random access indicator (pid=%d) ", pid->i_pid );
#endif
}
}
/* Test continuity counter */
/* continuous when (one of this):
* diff == 1
* diff == 0 and payload == 0
* diff == 0 and duplicate packet (playload != 0) <- should we
* test the content ?
*/
i_diff = ( i_cc - pid->i_cc )&0x0f;
if( b_payload && i_diff == 1 )
{
pid->i_cc = ( pid->i_cc + 1 ) & 0xf;
}
else
{
if( pid->i_cc == 0xff )
{
msg_Warn( p_demux, "first packet for pid=%d cc=0x%x",
pid->i_pid, i_cc );
pid->i_cc = i_cc;
}
else if( i_diff != 0 && !b_discontinuity )
{
msg_Warn( p_demux, "discontinuity received 0x%x instead of 0x%x (pid=%d)",
i_cc, ( pid->i_cc + 1 )&0x0f, pid->i_pid );
pid->i_cc = i_cc;
if( pid->es->p_pes && pid->es->fmt.i_cat != VIDEO_ES )
{
/* Small video artifacts are usually better then
* dropping full frames */
pid->es->p_pes->i_flags |= BLOCK_FLAG_CORRUPTED;
}
}
}
PCRHandle( p_demux, pid, p_bk );
if( i_skip >= 188 || pid->es->id == NULL || p_demux->p_sys->b_udp_out )
{
block_Release( p_bk );
return i_ret;
}
/* We have to gather it */
p_bk->p_buffer += i_skip;
p_bk->i_buffer -= i_skip;
if( b_unit_start )
{
if( pid->es->p_pes )
{
ParsePES( p_demux, pid );
i_ret = true;
}
block_ChainLastAppend( &pid->es->pp_last, p_bk );
if( p_bk->i_buffer > 6 )
{
pid->es->i_pes_size = GetWBE( &p_bk->p_buffer[4] );
if( pid->es->i_pes_size > 0 )
{
pid->es->i_pes_size += 6;
}
}
pid->es->i_pes_gathered += p_bk->i_buffer;
if( pid->es->i_pes_size > 0 &&
pid->es->i_pes_gathered >= pid->es->i_pes_size )
{
ParsePES( p_demux, pid );
i_ret = true;
}
}
else
{
if( pid->es->p_pes == NULL )
{
/* msg_Dbg( p_demux, "broken packet" ); */
block_Release( p_bk );
}
else
{
block_ChainLastAppend( &pid->es->pp_last, p_bk );
pid->es->i_pes_gathered += p_bk->i_buffer;
if( pid->es->i_pes_size > 0 &&
pid->es->i_pes_gathered >= pid->es->i_pes_size )
{
ParsePES( p_demux, pid );
i_ret = true;
}
}
}
return i_ret;
}
static int PIDFillFormat( ts_pid_t *pid, int i_stream_type )
{
es_format_t *fmt = &pid->es->fmt;
switch( i_stream_type )
{
case 0x01: /* MPEG-1 video */
case 0x02: /* MPEG-2 video */
case 0x80: /* MPEG-2 MOTO video */
es_format_Init( fmt, VIDEO_ES, VLC_FOURCC( 'm', 'p', 'g', 'v' ) );
break;
case 0x03: /* MPEG-1 audio */
case 0x04: /* MPEG-2 audio */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'm', 'p', 'g', 'a' ) );
break;
case 0x11: /* MPEG4 (audio) */
case 0x0f: /* ISO/IEC 13818-7 Audio with ADTS transport syntax */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'm', 'p', '4', 'a' ) );
break;
case 0x10: /* MPEG4 (video) */
es_format_Init( fmt, VIDEO_ES, VLC_FOURCC( 'm', 'p', '4', 'v' ) );
pid->es->b_gather = true;
break;
case 0x1B: /* H264 <- check transport syntax/needed descriptor */
es_format_Init( fmt, VIDEO_ES, VLC_FOURCC( 'h', '2', '6', '4' ) );
break;
case 0x81: /* A52 (audio) */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', ' ' ) );
break;
case 0x82: /* DVD_SPU (sub) */
es_format_Init( fmt, SPU_ES, VLC_FOURCC( 's', 'p', 'u', ' ' ) );
break;
case 0x83: /* LPCM (audio) */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'l', 'p', 'c', 'm' ) );
break;
case 0x84: /* SDDS (audio) */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 's', 'd', 'd', 's' ) );
break;
case 0x85: /* DTS (audio) */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'd', 't', 's', ' ' ) );
break;
case 0x91: /* A52 vls (audio) */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', 'b' ) );
break;
case 0x92: /* DVD_SPU vls (sub) */
es_format_Init( fmt, SPU_ES, VLC_FOURCC( 's', 'p', 'u', 'b' ) );
break;
case 0x94: /* SDDS (audio) */
es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 's', 'd', 'd', 'b' ) );
break;
case 0xa0: /* MSCODEC vlc (video) (fixed later) */
es_format_Init( fmt, UNKNOWN_ES, 0 );
pid->es->b_gather = true;
break;
case 0x06: /* PES_PRIVATE (fixed later) */
case 0x12: /* MPEG-4 generic (sub/scene/...) (fixed later) */
case 0xEA: /* Privately managed ES (VC-1) (fixed later */
default:
es_format_Init( fmt, UNKNOWN_ES, 0 );
break;
}
/* PES packets usually contain truncated frames */
fmt->b_packetized = false;
return fmt->i_cat == UNKNOWN_ES ? VLC_EGENERIC : VLC_SUCCESS ;
}
/*****************************************************************************
* MP4 specific functions (IOD parser)
*****************************************************************************/
static int IODDescriptorLength( int *pi_data, uint8_t **pp_data )
{
unsigned int i_b;
unsigned int i_len = 0;
do
{
i_b = **pp_data;
(*pp_data)++;
(*pi_data)--;
i_len = ( i_len << 7 ) + ( i_b&0x7f );
} while( i_b&0x80 );
return( i_len );
}
static int IODGetByte( int *pi_data, uint8_t **pp_data )
{
if( *pi_data > 0 )
{
const int i_b = **pp_data;
(*pp_data)++;
(*pi_data)--;
return( i_b );
}
return( 0 );
}
static int IODGetWord( int *pi_data, uint8_t **pp_data )
{
const int i1 = IODGetByte( pi_data, pp_data );
const int i2 = IODGetByte( pi_data, pp_data );
return( ( i1 << 8 ) | i2 );
}
static int IODGet3Bytes( int *pi_data, uint8_t **pp_data )
{
const int i1 = IODGetByte( pi_data, pp_data );
const int i2 = IODGetByte( pi_data, pp_data );
const int i3 = IODGetByte( pi_data, pp_data );
return( ( i1 << 16 ) | ( i2 << 8) | i3 );
}
static uint32_t IODGetDWord( int *pi_data, uint8_t **pp_data )
{
const uint32_t i1 = IODGetWord( pi_data, pp_data );
const uint32_t i2 = IODGetWord( pi_data, pp_data );
return( ( i1 << 16 ) | i2 );
}
static char* IODGetURL( int *pi_data, uint8_t **pp_data )
{
char *url;
int i_url_len, i;
i_url_len = IODGetByte( pi_data, pp_data );
url = malloc( i_url_len + 1 );
if( !url ) return NULL;
for( i = 0; i < i_url_len; i++ )
{
url[i] = IODGetByte( pi_data, pp_data );
}
url[i_url_len] = '\0';
return( url );
}
static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data )
{
iod_descriptor_t *p_iod;
int i;
int i_es_index;
uint8_t i_flags, i_iod_tag, byte1, byte2, byte3;
bool b_url;
int i_iod_length;
p_iod = malloc( sizeof( iod_descriptor_t ) );
if( !p_iod ) return NULL;
memset( p_iod, 0, sizeof( iod_descriptor_t ) );
#ifdef TS_DEBUG
fprintf( stderr, "\n************ IOD ************" );
#endif
for( i = 0; i < 255; i++ )
{
p_iod->es_descr[i].b_ok = 0;
}
i_es_index = 0;
if( i_data < 3 )
{
return p_iod;
}
byte1 = IODGetByte( &i_data, &p_data );
byte2 = IODGetByte( &i_data, &p_data );
byte3 = IODGetByte( &i_data, &p_data );
if( byte2 == 0x02 ) //old vlc's buggy implementation of the IOD_descriptor
{
p_iod->i_iod_label_scope = 0x11;
p_iod->i_iod_label = byte1;
i_iod_tag = byte2;
}
else //correct implementation of the IOD_descriptor
{
p_iod->i_iod_label_scope = byte1;
p_iod->i_iod_label = byte2;
i_iod_tag = byte3;
}
#ifdef TS_DEBUG
fprintf( stderr, "\n* iod_label:%d", p_iod->i_iod_label );
fprintf( stderr, "\n* ===========" );
fprintf( stderr, "\n* tag:0x%x", i_iod_tag );
#endif
if( i_iod_tag != 0x02 )
{
#ifdef TS_DEBUG
fprintf( stderr, "\n ERR: tag %02x != 0x02", i_iod_tag );
#endif
return p_iod;
}
i_iod_length = IODDescriptorLength( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* length:%d", i_iod_length );
#endif
if( i_iod_length > i_data )
{
i_iod_length = i_data;
}
p_iod->i_od_id = ( IODGetByte( &i_data, &p_data ) << 2 );
i_flags = IODGetByte( &i_data, &p_data );
p_iod->i_od_id |= i_flags >> 6;
b_url = ( i_flags >> 5 )&0x01;
#ifdef TS_DEBUG
fprintf( stderr, "\n* od_id:%d", p_iod->i_od_id );
fprintf( stderr, "\n* url flag:%d", b_url );
fprintf( stderr, "\n* includeInlineProfileLevel flag:%d", ( i_flags >> 4 )&0x01 );
#endif
if( b_url )
{
p_iod->psz_url = IODGetURL( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* url string:%s", p_iod->psz_url );
fprintf( stderr, "\n*****************************\n" );
#endif
return p_iod;
}
else
{
p_iod->psz_url = NULL;
}
p_iod->i_ODProfileLevelIndication = IODGetByte( &i_data, &p_data );
p_iod->i_sceneProfileLevelIndication = IODGetByte( &i_data, &p_data );
p_iod->i_audioProfileLevelIndication = IODGetByte( &i_data, &p_data );
p_iod->i_visualProfileLevelIndication = IODGetByte( &i_data, &p_data );
p_iod->i_graphicsProfileLevelIndication = IODGetByte( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* ODProfileLevelIndication:%d", p_iod->i_ODProfileLevelIndication );
fprintf( stderr, "\n* sceneProfileLevelIndication:%d", p_iod->i_sceneProfileLevelIndication );
fprintf( stderr, "\n* audioProfileLevelIndication:%d", p_iod->i_audioProfileLevelIndication );
fprintf( stderr, "\n* visualProfileLevelIndication:%d", p_iod->i_visualProfileLevelIndication );
fprintf( stderr, "\n* graphicsProfileLevelIndication:%d", p_iod->i_graphicsProfileLevelIndication );
#endif
while( i_data > 0 && i_es_index < 255)
{
int i_tag, i_length;
int i_data_sav;
uint8_t *p_data_sav;
i_tag = IODGetByte( &i_data, &p_data );
i_length = IODDescriptorLength( &i_data, &p_data );
i_data_sav = i_data;
p_data_sav = p_data;
i_data = i_length;
switch( i_tag )
{
case 0x03:
{
#define es_descr p_iod->es_descr[i_es_index]
int i_decoderConfigDescr_length;
#ifdef TS_DEBUG
fprintf( stderr, "\n* - ES_Descriptor length:%d", i_length );
#endif
es_descr.b_ok = 1;
es_descr.i_es_id = IODGetWord( &i_data, &p_data );
i_flags = IODGetByte( &i_data, &p_data );
es_descr.b_streamDependenceFlag = ( i_flags >> 7 )&0x01;
b_url = ( i_flags >> 6 )&0x01;
es_descr.b_OCRStreamFlag = ( i_flags >> 5 )&0x01;
es_descr.i_streamPriority = i_flags & 0x1f;
#ifdef TS_DEBUG
fprintf( stderr, "\n* * streamDependenceFlag:%d", es_descr.b_streamDependenceFlag );
fprintf( stderr, "\n* * OCRStreamFlag:%d", es_descr.b_OCRStreamFlag );
fprintf( stderr, "\n* * streamPriority:%d", es_descr.i_streamPriority );
#endif
if( es_descr.b_streamDependenceFlag )
{
es_descr.i_dependOn_es_id = IODGetWord( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* * dependOn_es_id:%d", es_descr.i_dependOn_es_id );
#endif
}
if( b_url )
{
es_descr.psz_url = IODGetURL( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* url string:%s", es_descr.psz_url );
#endif
}
else
{
es_descr.psz_url = NULL;
}
if( es_descr.b_OCRStreamFlag )
{
es_descr.i_OCR_es_id = IODGetWord( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* * OCR_es_id:%d", es_descr.i_OCR_es_id );
#endif
}
if( IODGetByte( &i_data, &p_data ) != 0x04 )
{
#ifdef TS_DEBUG
fprintf( stderr, "\n* ERR missing DecoderConfigDescr" );
#endif
es_descr.b_ok = 0;
break;
}
i_decoderConfigDescr_length = IODDescriptorLength( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* - DecoderConfigDesc length:%d", i_decoderConfigDescr_length );
#endif
#define dec_descr es_descr.dec_descr
dec_descr.i_objectTypeIndication = IODGetByte( &i_data, &p_data );
i_flags = IODGetByte( &i_data, &p_data );
dec_descr.i_streamType = i_flags >> 2;
dec_descr.b_upStream = ( i_flags >> 1 )&0x01;
dec_descr.i_bufferSizeDB = IODGet3Bytes( &i_data, &p_data );
dec_descr.i_maxBitrate = IODGetDWord( &i_data, &p_data );
dec_descr.i_avgBitrate = IODGetDWord( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* * objectTypeIndication:0x%x", dec_descr.i_objectTypeIndication );
fprintf( stderr, "\n* * streamType:0x%x", dec_descr.i_streamType );
fprintf( stderr, "\n* * upStream:%d", dec_descr.b_upStream );
fprintf( stderr, "\n* * bufferSizeDB:%d", dec_descr.i_bufferSizeDB );
fprintf( stderr, "\n* * maxBitrate:%d", dec_descr.i_maxBitrate );
fprintf( stderr, "\n* * avgBitrate:%d", dec_descr.i_avgBitrate );
#endif
if( i_decoderConfigDescr_length > 13 && IODGetByte( &i_data, &p_data ) == 0x05 )
{
int i;
dec_descr.i_decoder_specific_info_len =
IODDescriptorLength( &i_data, &p_data );
if( dec_descr.i_decoder_specific_info_len > 0 )
{
dec_descr.p_decoder_specific_info =
malloc( dec_descr.i_decoder_specific_info_len );
}
for( i = 0; i < dec_descr.i_decoder_specific_info_len; i++ )
{
dec_descr.p_decoder_specific_info[i] = IODGetByte( &i_data, &p_data );
}
}
else
{
dec_descr.i_decoder_specific_info_len = 0;
dec_descr.p_decoder_specific_info = NULL;
}
}
#undef dec_descr
#define sl_descr es_descr.sl_descr
{
int i_SLConfigDescr_length;
int i_predefined;
if( IODGetByte( &i_data, &p_data ) != 0x06 )
{
#ifdef TS_DEBUG
fprintf( stderr, "\n* ERR missing SLConfigDescr" );
#endif
es_descr.b_ok = 0;
break;
}
i_SLConfigDescr_length = IODDescriptorLength( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* - SLConfigDescr length:%d", i_SLConfigDescr_length );
#endif
i_predefined = IODGetByte( &i_data, &p_data );
#ifdef TS_DEBUG
fprintf( stderr, "\n* * i_predefined:0x%x", i_predefined );
#endif
switch( i_predefined )
{
case 0x01:
{
sl_descr.b_useAccessUnitStartFlag = 0;
sl_descr.b_useAccessUnitEndFlag = 0;
sl_descr.b_useRandomAccessPointFlag = 0;
//sl_descr.b_useRandomAccessUnitsOnlyFlag = 0;
sl_descr.b_usePaddingFlag = 0;
sl_descr.b_useTimeStampsFlags = 0;
sl_descr.b_useIdleFlag = 0;
sl_descr.b_durationFlag = 0; // FIXME FIXME
sl_descr.i_timeStampResolution = 1000;
sl_descr.i_OCRResolution = 0; // FIXME FIXME
sl_descr.i_timeStampLength = 32;
sl_descr.i_OCRLength = 0; // FIXME FIXME
sl_descr.i_AU_Length = 0;
sl_descr.i_instantBitrateLength= 0; // FIXME FIXME
sl_descr.i_degradationPriorityLength= 0;
sl_descr.i_AU_seqNumLength = 0;
sl_descr.i_packetSeqNumLength = 0;
if( sl_descr.b_durationFlag )
{
sl_descr.i_timeScale = 0; // FIXME FIXME
sl_descr.i_accessUnitDuration = 0; // FIXME FIXME
sl_descr.i_compositionUnitDuration= 0; // FIXME FIXME
}
if( !sl_descr.b_useTimeStampsFlags )
{
sl_descr.i_startDecodingTimeStamp = 0; // FIXME FIXME
sl_descr.i_startCompositionTimeStamp= 0; // FIXME FIXME
}
}
break;
default:
#ifdef TS_DEBUG
fprintf( stderr, "\n* ERR unsupported SLConfigDescr predefined" );
#endif
es_descr.b_ok = 0;
break;
}
}
break;
#undef sl_descr
#undef es_descr
default:
#ifdef TS_DEBUG
fprintf( stderr, "\n* - OD tag:0x%x length:%d (Unsupported)", i_tag, i_length );
#endif
break;
}
p_data = p_data_sav + i_length;
i_data = i_data_sav - i_length;
i_es_index++;
}
#ifdef TS_DEBUG
fprintf( stderr, "\n*****************************\n" );
#endif
return p_iod;
}
static void IODFree( iod_descriptor_t *p_iod )
{
int i;
if( p_iod->psz_url )
{
free( p_iod->psz_url );
p_iod->psz_url = NULL;
free( p_iod );
return;
}
for( i = 0; i < 255; i++ )
{
#define es_descr p_iod->es_descr[i]
if( es_descr.b_ok )
{
if( es_descr.psz_url )
{
free( es_descr.psz_url );
es_descr.psz_url = NULL;
}
else
{
free( es_descr.dec_descr.p_decoder_specific_info );
es_descr.dec_descr.p_decoder_specific_info = NULL;
es_descr.dec_descr.i_decoder_specific_info_len = 0;
}
}
es_descr.b_ok = 0;
#undef es_descr
}
free( p_iod );
}
/****************************************************************************
****************************************************************************
** libdvbpsi callbacks
****************************************************************************
****************************************************************************/
static bool DVBProgramIsSelected( demux_t *p_demux, uint16_t i_pgrm )
{
demux_sys_t *p_sys = p_demux->p_sys;
if ( !p_sys->b_dvb_control ) return false;
if ( (p_sys->i_dvb_program == -1 && p_sys->p_programs_list == NULL)
|| p_sys->i_dvb_program == 0 )
return true;
if ( p_sys->i_dvb_program == i_pgrm ) return true;
if ( p_sys->p_programs_list != NULL )
{
int i;
for ( i = 0; i < p_sys->p_programs_list->i_count; i++ )
{
if ( i_pgrm == p_sys->p_programs_list->p_values[i].i_int )
return true;
}
}
return false;
}
#ifdef TS_USE_DVB_SI
static void SDTCallBack( demux_t *p_demux, dvbpsi_sdt_t *p_sdt )
{
demux_sys_t *p_sys = p_demux->p_sys;
ts_pid_t *sdt = &p_sys->pid[0x11];
dvbpsi_sdt_service_t *p_srv;
msg_Dbg( p_demux, "SDTCallBack called" );
if( sdt->psi->i_sdt_version != -1 &&
( !p_sdt->b_current_next ||
p_sdt->i_version == sdt->psi->i_sdt_version ) )
{
dvbpsi_DeleteSDT( p_sdt );
return;
}
msg_Dbg( p_demux, "new SDT ts_id=%d version=%d current_next=%d "
"network_id=%d",
p_sdt->i_ts_id, p_sdt->i_version, p_sdt->b_current_next,
p_sdt->i_network_id );
for( p_srv = p_sdt->p_first_service; p_srv; p_srv = p_srv->p_next )
{
vlc_meta_t *p_meta;
dvbpsi_descriptor_t *p_dr;
const char *psz_type = NULL;
const char *psz_status = NULL;
msg_Dbg( p_demux, " * service id=%d eit schedule=%d present=%d "
"running=%d free_ca=%d",
p_srv->i_service_id, p_srv->b_eit_schedule,
p_srv->b_eit_present, p_srv->i_running_status,
p_srv->b_free_ca );
if( p_sys->i_dvb_program != -1 && p_sys->i_dvb_program != p_srv->i_service_id )
continue;
p_meta = vlc_meta_New();
for( p_dr = p_srv->p_first_descriptor; p_dr; p_dr = p_dr->p_next )
{
if( p_dr->i_tag == 0x48 )
{
static const char *ppsz_type[17] = {
"Reserved",
"Digital television service",
"Digital radio sound service",
"Teletext service",
"NVOD reference service",
"NVOD time-shifted service",
"Mosaic service",
"PAL coded signal",
"SECAM coded signal",
"D/D2-MAC",
"FM Radio",
"NTSC coded signal",
"Data broadcast service",
"Reserved for Common Interface Usage",
"RCS Map (see EN 301 790 [35])",
"RCS FLS (see EN 301 790 [35])",
"DVB MHP service"
};
dvbpsi_service_dr_t *pD = dvbpsi_DecodeServiceDr( p_dr );
char str1[257];
char str2[257];
memcpy( str1, pD->i_service_provider_name,
pD->i_service_provider_name_length );
str1[pD->i_service_provider_name_length] = '\0';
memcpy( str2, pD->i_service_name, pD->i_service_name_length );
str2[pD->i_service_name_length] = '\0';
msg_Dbg( p_demux, " - type=%d provider=%s name=%s",
pD->i_service_type, str1, str2 );
vlc_meta_SetTitle( p_meta, str2 );
vlc_meta_SetPublisher( p_meta, str1 );
if( pD->i_service_type >= 0x01 && pD->i_service_type <= 0x10 )
psz_type = ppsz_type[pD->i_service_type];
}
}
if( p_srv->i_running_status >= 0x01 && p_srv->i_running_status <= 0x04 )
{
static const char *ppsz_status[5] = {
"Unknown",
"Not running",
"Starts in a few seconds",
"Pausing",
"Running"
};
psz_status = ppsz_status[p_srv->i_running_status];
}
if( psz_type )
vlc_meta_AddExtra( p_meta, "Type", psz_type );
if( psz_status )
vlc_meta_AddExtra( p_meta, "Status", psz_status );
es_out_Control( p_demux->out, ES_OUT_SET_GROUP_META,
p_srv->i_service_id, p_meta );
vlc_meta_Delete( p_meta );
}
sdt->psi->i_sdt_version = p_sdt->i_version;
dvbpsi_DeleteSDT( p_sdt );
}
/* i_year: year - 1900 i_month: 0-11 i_mday: 1-31 i_hour: 0-23 i_minute: 0-59 i_second: 0-59 */
static int64_t vlc_timegm( int i_year, int i_month, int i_mday, int i_hour, int i_minute, int i_second )
{
static const int pn_day[12+1] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
int64_t i_day;
int i;
if( i_year < 70 ||
i_month < 0 || i_month > 11 || i_mday < 1 || i_mday > 31 ||
i_hour < 0 || i_hour > 23 || i_minute < 0 || i_minute > 59 || i_second < 0 || i_second > 59 )
return -1;
/* Count the number of days */
i_day = 365 * (i_year-70) + pn_day[i_month] + i_mday - 1;
#define LEAP(y) ( ((y)%4) == 0 && (((y)%100) != 0 || ((y)%400) == 0) ? 1 : 0)
for( i = 70; i < i_year; i++ )
i_day += LEAP(1900+i);
if( i_month > 1 )
i_day += LEAP(1900+i_year);
#undef LEAP
/**/
return ((24*i_day + i_hour)*60 + i_minute)*60 + i_second;
}
static void EITDecodeMjd( int i_mjd, int *p_y, int *p_m, int *p_d )
{
const int yp = (int)( ( (double)i_mjd - 15078.2)/365.25 );
const int mp = (int)( ((double)i_mjd - 14956.1 - (int)(yp * 365.25)) / 30.6001 );
const int c = ( mp == 14 || mp == 15 ) ? 1 : 0;
*p_y = 1900 + yp + c*1;
*p_m = mp - 1 - c*12;
*p_d = i_mjd - 14956 - (int)(yp*365.25) - (int)(mp*30.6001);
}
#define CVT_FROM_BCD(v) ((((v) >> 4)&0xf)*10 + ((v)&0xf))
static int64_t EITConvertStartTime( uint64_t i_date )
{
const int i_mjd = i_date >> 24;
const int i_hour = CVT_FROM_BCD(i_date >> 16);
const int i_minute = CVT_FROM_BCD(i_date >> 8);
const int i_second = CVT_FROM_BCD(i_date );
int i_year;
int i_month;
int i_day;
/* if all 40 bits are 1, the start is unknown */
if( i_date == UINT64_C(0xffffffffff) )
return -1;
EITDecodeMjd( i_mjd, &i_year, &i_month, &i_day );
return vlc_timegm( i_year - 1900, i_month - 1, i_day, i_hour, i_minute, i_second );
}
static int EITConvertDuration( uint32_t i_duration )
{
return CVT_FROM_BCD(i_duration >> 16) * 3600 +
CVT_FROM_BCD(i_duration >> 8 ) * 60 +
CVT_FROM_BCD(i_duration );
}
#undef CVT_FROM_BCD
/* FIXME same than dvbsi_to_utf8 from dvb access */
static char *EITConvertToUTF8( const unsigned char *psz_instring,
size_t i_length )
{
const char *psz_encoding;
char *psz_outstring;
char psz_encbuf[sizeof( "ISO_8859-123" )];
size_t i_in, i_out, offset = 1;
vlc_iconv_t iconv_handle;
if( i_length < 1 ) return NULL;
if( psz_instring[0] >= 0x20 )
{
psz_encoding = "ISO_8859-1";
/* According to the specification, this should be ISO6937,
* but it seems Latin-1 is used instead. */
offset = 0;
}
else switch( psz_instring[0] )
{
case 0x01:
psz_encoding = "ISO_8859-5";
break;
case 0x02:
psz_encoding = "ISO_8859-6";
break;
case 0x03:
psz_encoding = "ISO_8859-7";
break;
case 0x04:
psz_encoding = "ISO_8859-8";
break;
case 0x05:
psz_encoding = "ISO_8859-9";
break;
case 0x06:
psz_encoding = "ISO_8859-10";
break;
case 0x07:
psz_encoding = "ISO_8859-11";
break;
case 0x08:
psz_encoding = "ISO_8859-12";
break;
case 0x09:
psz_encoding = "ISO_8859-13";
break;
case 0x0a:
psz_encoding = "ISO_8859-14";
break;
case 0x0b:
psz_encoding = "ISO_8859-15";
break;
case 0x10:
#warning Is Latin-10 (psz_instring[2] == 16) really illegal?
if( i_length < 3 || psz_instring[1] != 0x00 || psz_instring[2] > 15
|| psz_instring[2] == 0 )
{
psz_encoding = "UTF-8";
offset = 0;
}
else
{
sprintf( psz_encbuf, "ISO_8859-%u", psz_instring[2] );
psz_encoding = psz_encbuf;
offset = 3;
}
break;
case 0x11:
#warning Is there a BOM or do we use a fixed endianess?
psz_encoding = "UTF-16";
break;
case 0x12:
psz_encoding = "KSC5601-1987";
break;
case 0x13:
psz_encoding = "GB2312"; /* GB-2312-1980 */
break;
case 0x14:
psz_encoding = "BIG-5";
break;
case 0x15:
psz_encoding = "UTF-8";
break;
default:
/* invalid */
psz_encoding = "UTF-8";
offset = 0;
}
i_in = i_length - offset;
i_out = i_in * 6 + 1;
psz_outstring = malloc( i_out );
if( !psz_outstring )
{
return NULL;
}
iconv_handle = vlc_iconv_open( "UTF-8", psz_encoding );
if( iconv_handle == (vlc_iconv_t)(-1) )
{
/* Invalid character set (e.g. ISO_8859-12) */
memcpy( psz_outstring, &psz_instring[offset], i_in );
psz_outstring[i_in] = '\0';
EnsureUTF8( psz_outstring );
}
else
{
const char *psz_in = (const char *)&psz_instring[offset];
char *psz_out = psz_outstring;
while( vlc_iconv( iconv_handle, &psz_in, &i_in,
&psz_out, &i_out ) == (size_t)(-1) )
{
/* skip naughty byte. This may fail terribly for multibyte stuff,
* but what can we do anyway? */
psz_in++;
i_in--;
vlc_iconv( iconv_handle, NULL, NULL, NULL, NULL ); /* reset */
}
vlc_iconv_close( iconv_handle );
*psz_out = '\0';
}
return psz_outstring;
}
static void EITCallBack( demux_t *p_demux, dvbpsi_eit_t *p_eit )
{
demux_sys_t *p_sys = p_demux->p_sys;
dvbpsi_eit_event_t *p_evt;
vlc_epg_t *p_epg;
msg_Dbg( p_demux, "EITCallBack called" );
if( !p_eit->b_current_next || ( p_sys->i_dvb_program != -1 && p_sys->i_dvb_program != p_eit->i_service_id ) )
{
dvbpsi_DeleteEIT( p_eit );
return;
}
msg_Dbg( p_demux, "new EIT service_id=%d version=%d current_next=%d "
"ts_id=%d network_id=%d segment_last_section_number=%d "
"last_table_id=%d",
p_eit->i_service_id, p_eit->i_version, p_eit->b_current_next,
p_eit->i_ts_id, p_eit->i_network_id,
p_eit->i_segment_last_section_number, p_eit->i_last_table_id );
p_epg = vlc_epg_New( NULL );
for( p_evt = p_eit->p_first_event; p_evt; p_evt = p_evt->p_next )
{
dvbpsi_descriptor_t *p_dr;
char *psz_name = NULL;
char *psz_text = NULL;
char *psz_extra = strdup("");
int64_t i_start;
int i_duration;
i_start = EITConvertStartTime( p_evt->i_start_time );
i_duration = EITConvertDuration( p_evt->i_duration );
msg_Dbg( p_demux, " * event id=%d start_time:%d duration=%d "
"running=%d free_ca=%d",
p_evt->i_event_id, (int)i_start, (int)i_duration,
p_evt->i_running_status, p_evt->b_free_ca );
for( p_dr = p_evt->p_first_descriptor; p_dr; p_dr = p_dr->p_next )
{
if( p_dr->i_tag == 0x4d )
{
dvbpsi_short_event_dr_t *pE = dvbpsi_DecodeShortEventDr( p_dr );
if( pE )
{
psz_name = EITConvertToUTF8( pE->i_event_name, pE->i_event_name_length);
psz_text = EITConvertToUTF8( pE->i_text, pE->i_text_length );
msg_Dbg( p_demux, " - short event lang=%3.3s '%s' : '%s'",
pE->i_iso_639_code, psz_name, psz_text );
}
}
else if( p_dr->i_tag == 0x4e )
{
dvbpsi_extended_event_dr_t *pE = dvbpsi_DecodeExtendedEventDr( p_dr );
if( pE )
{
int i;
msg_Dbg( p_demux, " - extended event lang=%3.3s [%d/%d]",
pE->i_iso_639_code,
pE->i_descriptor_number, pE->i_last_descriptor_number );
if( pE->i_text_length > 0 )
{
char *psz_text = EITConvertToUTF8( pE->i_text, pE->i_text_length );
if( psz_text )
{
msg_Dbg( p_demux, " - text='%s'", psz_text );
psz_extra = realloc( psz_extra, strlen(psz_extra) + strlen(psz_text) + 1 );
strcat( psz_extra, psz_text );
free( psz_text );
}
}
for( i = 0; i < pE->i_entry_count; i++ )
{
char *psz_dsc = EITConvertToUTF8( pE->i_item_description[i],
pE->i_item_description_length[i] );
char *psz_itm = EITConvertToUTF8( pE->i_item[i], pE->i_item_length[i] );
if( psz_dsc && psz_itm )
{
msg_Dbg( p_demux, " - desc='%s' item='%s'", psz_dsc, psz_itm );
psz_extra = realloc( psz_extra, strlen(psz_extra) + strlen(psz_dsc) + strlen(psz_itm) + 3 + 1 );
strcat( psz_extra, "(" );
strcat( psz_extra, psz_dsc );
strcat( psz_extra, " " );
strcat( psz_extra, psz_itm );
strcat( psz_extra, ")" );
}
free( psz_dsc );
free( psz_itm );
}
}
}
else
{
msg_Dbg( p_demux, " - tag=0x%x(%d)", p_dr->i_tag, p_dr->i_tag );
}
}
/* */
if( i_start > 0 )
vlc_epg_AddEvent( p_epg, i_start, i_duration, psz_name, psz_text, psz_extra );
/* Update "now playing" field */
if( p_evt->i_running_status == 0x04 && i_start > 0 )
vlc_epg_SetCurrent( p_epg, i_start );
free( psz_name );
free( psz_text );
free( psz_extra );
}
if( p_epg->i_event > 0 )
{
if( p_eit->i_service_id == p_sys->i_dvb_program )
{
p_sys->i_dvb_length = 0;
p_sys->i_dvb_start = 0;
if( p_epg->p_current )
{
p_sys->i_dvb_start = p_epg->p_current->i_start;
p_sys->i_dvb_length = p_epg->p_current->i_duration;
}
}
es_out_Control( p_demux->out, ES_OUT_SET_GROUP_EPG, p_eit->i_service_id, p_epg );
}
vlc_epg_Delete( p_epg );
dvbpsi_DeleteEIT( p_eit );
}
static void PSINewTableCallBack( demux_t *p_demux, dvbpsi_handle h,
uint8_t i_table_id, uint16_t i_extension )
{
#if 0
msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
i_table_id, i_table_id, i_extension, i_extension );
#endif
if( p_demux->p_sys->pid[0].psi->i_pat_version != -1 && i_table_id == 0x42 )
{
msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
i_table_id, i_table_id, i_extension, i_extension );
dvbpsi_AttachSDT( h, i_table_id, i_extension,
(dvbpsi_sdt_callback)SDTCallBack, p_demux );
}
else if( p_demux->p_sys->pid[0x11].psi->i_sdt_version != -1 &&
( i_table_id == 0x4e || /* Current/Following */
(i_table_id >= 0x50 && i_table_id <= 0x5f) ) ) /* Schedule */
{
msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
i_table_id, i_table_id, i_extension, i_extension );
dvbpsi_AttachEIT( h, i_table_id, i_extension,
(dvbpsi_eit_callback)EITCallBack, p_demux );
}
}
#endif
static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt )
{
demux_sys_t *p_sys = p_demux->p_sys;
dvbpsi_descriptor_t *p_dr;
dvbpsi_pmt_es_t *p_es;
ts_pid_t *pmt = NULL;
ts_prg_psi_t *prg = NULL;
ts_pid_t **pp_clean = NULL;
int i_clean = 0, i;
bool b_hdmv = false;
msg_Dbg( p_demux, "PMTCallBack called" );
/* First find this PMT declared in PAT */
for( i = 0; i < p_sys->i_pmt; i++ )
{
int i_prg;
for( i_prg = 0; i_prg < p_sys->pmt[i]->psi->i_prg; i_prg++ )
{
const int i_pmt_number = p_sys->pmt[i]->psi->prg[i_prg]->i_number;
if( i_pmt_number != TS_USER_PMT_NUMBER && i_pmt_number == p_pmt->i_program_number )
{
pmt = p_sys->pmt[i];
prg = p_sys->pmt[i]->psi->prg[i_prg];
break;
}
}
if( pmt ) break;
}
if( pmt == NULL )
{
msg_Warn( p_demux, "unreferenced program (broken stream)" );
dvbpsi_DeletePMT(p_pmt);
return;
}
if( prg->i_version != -1 &&
( !p_pmt->b_current_next || prg->i_version == p_pmt->i_version ) )
{
dvbpsi_DeletePMT( p_pmt );
return;
}
/* Clean this program (remove all es) */
for( i = 0; i < 8192; i++ )
{
ts_pid_t *pid = &p_sys->pid[i];
if( pid->b_valid && pid->p_owner == pmt->psi &&
pid->i_owner_number == prg->i_number && pid->psi == NULL )
{
TAB_APPEND( i_clean, pp_clean, pid );
}
}
if( prg->iod )
{
IODFree( prg->iod );
prg->iod = NULL;
}
msg_Dbg( p_demux, "new PMT program number=%d version=%d pid_pcr=%d",
p_pmt->i_program_number, p_pmt->i_version, p_pmt->i_pcr_pid );
prg->i_pid_pcr = p_pmt->i_pcr_pid;
prg->i_version = p_pmt->i_version;
if( DVBProgramIsSelected( p_demux, prg->i_number ) )
{
/* Set demux filter */
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, prg->i_pid_pcr,
true );
}
else if ( p_sys->b_dvb_control )
{
msg_Warn( p_demux, "skipping program (not selected)" );
dvbpsi_DeletePMT(p_pmt);
return;
}
/* Parse descriptor */
for( p_dr = p_pmt->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next )
{
if( p_dr->i_tag == 0x1d )
{
/* We have found an IOD descriptor */
msg_Dbg( p_demux, " * descriptor : IOD (0x1d)" );
prg->iod = IODNew( p_dr->i_length, p_dr->p_data );
}
else if( p_dr->i_tag == 0x9 )
{
uint16_t i_sysid = ((uint16_t)p_dr->p_data[0] << 8)
| p_dr->p_data[1];
msg_Dbg( p_demux, " * descriptor : CA (0x9) SysID 0x%x", i_sysid );
}
else if( p_dr->i_tag == 0x05 )
{
if( p_dr->i_tag == 0x05 )
{
/* Registration Descriptor */
if( p_dr->i_length != 4 )
{
msg_Warn( p_demux, "invalid Registration Descriptor" );
}
else
{
msg_Dbg( p_demux, " * descriptor : registration %4.4s", p_dr->p_data );
if( !memcmp( p_dr->p_data, "HDMV", 4 ) )
{
/* Blu-Ray */
b_hdmv = true;
}
}
}
}
else
{
msg_Dbg( p_demux, " * descriptor : unknown (0x%x)", p_dr->i_tag );
}
}
for( p_es = p_pmt->p_first_es; p_es != NULL; p_es = p_es->p_next )
{
ts_pid_t tmp_pid, *old_pid = 0, *pid = &tmp_pid;
/* Find out if the PID was already declared */
for( i = 0; i < i_clean; i++ )
{
if( pp_clean[i] == &p_sys->pid[p_es->i_pid] )
{
old_pid = pp_clean[i];
break;
}
}
if( !old_pid && p_sys->pid[p_es->i_pid].b_valid )
{
ts_pid_t *pid = &p_sys->pid[p_es->i_pid];
if( ( pid->i_pid == 0x11 /* SDT */ ||
pid->i_pid == 0x12 /* EDT */ ) && pid->psi )
{
/* This doesn't look like a DVB stream so don't try
* parsing the SDT/EDT */
dvbpsi_DetachDemux( pid->psi->handle );
free( pid->psi );
pid->psi = NULL;
}
else
{
msg_Warn( p_demux, "pmt error: pid=%d already defined",
p_es->i_pid );
continue;
}
}
PIDInit( pid, false, pmt->psi );
PIDFillFormat( pid, p_es->i_type );
pid->i_owner_number = prg->i_number;
pid->i_pid = p_es->i_pid;
pid->b_seen = p_sys->pid[p_es->i_pid].b_seen;
if( p_es->i_type == 0x10 || p_es->i_type == 0x11 ||
p_es->i_type == 0x12 || p_es->i_type == 0x0f )
{
/* MPEG-4 stream: search SL_DESCRIPTOR */
dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;;
while( p_dr && ( p_dr->i_tag != 0x1f ) ) p_dr = p_dr->p_next;
if( p_dr && p_dr->i_length == 2 )
{
int i_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
msg_Warn( p_demux, "found SL_descriptor es_id=%d", i_es_id );
pid->es->p_mpeg4desc = NULL;
for( i = 0; i < 255; i++ )
{
iod_descriptor_t *iod = prg->iod;
if( iod->es_descr[i].b_ok &&
iod->es_descr[i].i_es_id == i_es_id )
{
pid->es->p_mpeg4desc = &iod->es_descr[i];
break;
}
}
}
if( pid->es->p_mpeg4desc != NULL )
{
decoder_config_descriptor_t *dcd =
&pid->es->p_mpeg4desc->dec_descr;
if( dcd->i_streamType == 0x04 ) /* VisualStream */
{
pid->es->fmt.i_cat = VIDEO_ES;
switch( dcd->i_objectTypeIndication )
{
case 0x0B: /* mpeg4 sub */
pid->es->fmt.i_cat = SPU_ES;
pid->es->fmt.i_codec = VLC_FOURCC('s','u','b','t');
break;
case 0x20: /* mpeg4 */
pid->es->fmt.i_codec = VLC_FOURCC('m','p','4','v');
break;
case 0x21: /* h264 */
pid->es->fmt.i_codec = VLC_FOURCC('h','2','6','4');
break;
case 0x60:
case 0x61:
case 0x62:
case 0x63:
case 0x64:
case 0x65: /* mpeg2 */
pid->es->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
break;
case 0x6a: /* mpeg1 */
pid->es->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
break;
case 0x6c: /* mpeg1 */
pid->es->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' );
break;
default:
pid->es->fmt.i_cat = UNKNOWN_ES;
break;
}
}
else if( dcd->i_streamType == 0x05 ) /* AudioStream */
{
pid->es->fmt.i_cat = AUDIO_ES;
switch( dcd->i_objectTypeIndication )
{
case 0x40: /* mpeg4 */
pid->es->fmt.i_codec = VLC_FOURCC('m','p','4','a');
break;
case 0x66:
case 0x67:
case 0x68: /* mpeg2 aac */
pid->es->fmt.i_codec = VLC_FOURCC('m','p','4','a');
break;
case 0x69: /* mpeg2 */
pid->es->fmt.i_codec = VLC_FOURCC('m','p','g','a');
break;
case 0x6b: /* mpeg1 */
pid->es->fmt.i_codec = VLC_FOURCC('m','p','g','a');
break;
default:
pid->es->fmt.i_cat = UNKNOWN_ES;
break;
}
}
else
{
pid->es->fmt.i_cat = UNKNOWN_ES;
}
if( pid->es->fmt.i_cat != UNKNOWN_ES )
{
pid->es->fmt.i_extra = dcd->i_decoder_specific_info_len;
if( pid->es->fmt.i_extra > 0 )
{
pid->es->fmt.p_extra = malloc( pid->es->fmt.i_extra );
if( pid->es->fmt.p_extra )
memcpy( pid->es->fmt.p_extra,
dcd->p_decoder_specific_info,
pid->es->fmt.i_extra );
}
}
}
}
else if( p_es->i_type == 0x06 )
{
dvbpsi_descriptor_t *p_dr;
for( p_dr = p_es->p_first_descriptor; p_dr != NULL;
p_dr = p_dr->p_next )
{
msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x",
p_es->i_pid, p_es->i_type, p_dr->i_tag );
if( p_dr->i_tag == 0x05 )
{
/* Registration Descriptor */
if( p_dr->i_length != 4 )
{
msg_Warn( p_demux, "invalid Registration Descriptor" );
}
else
{
if( !memcmp( p_dr->p_data, "AC-3", 4 ) )
{
/* ATSC with stream_type 0x81 (but this descriptor
* is then not mandatory */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC('a','5','2',' ');
}
else if( !memcmp( p_dr->p_data, "DTS1", 4 ) ||
!memcmp( p_dr->p_data, "DTS2", 4 ) ||
!memcmp( p_dr->p_data, "DTS3", 4 ) )
{
/*registration descriptor(ETSI TS 101 154 Annex F)*/
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC('d','t','s',' ');
}
else if( !memcmp( p_dr->p_data, "BSSD", 4 ) )
{
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.b_packetized = true;
pid->es->fmt.i_codec = VLC_FOURCC('a','e','s','3');
}
else
{
msg_Warn( p_demux,
"unknown Registration Descriptor (%4.4s)",
p_dr->p_data );
}
}
}
else if( p_dr->i_tag == 0x6a )
{
/* DVB with stream_type 0x06 */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
}
else if( p_dr->i_tag == 0x81 )
{
/* ATSC with stream_type 0x06 */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
}
else if( p_dr->i_tag == 0x7a )
{
/* DVB with stream_type 0x06 (ETS EN 300 468) */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'e', 'a', 'c', '3' );
}
else if( p_dr->i_tag == 0x73 )
{
/* DTS audio descriptor (ETSI TS 101 154 Annex F) */
msg_Dbg( p_demux, " * DTS audio descriptor not decoded" );
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
}
else if( p_dr->i_tag == 0x45 )
{
msg_Dbg( p_demux, " * VBI Data descriptor" );
/* FIXME : store the information somewhere */
}
else if( p_dr->i_tag == 0x46 )
{
msg_Dbg( p_demux, " * VBI Teletext descriptor" );
/* FIXME : store the information somewhere */
}
#ifdef _DVBPSI_DR_52_H_
else if( p_dr->i_tag == 0x52 )
{
dvbpsi_stream_identifier_dr_t *si;
si = dvbpsi_DecodeStreamIdentifierDr( p_dr );
msg_Dbg( p_demux, " * Stream Component Identifier: %d", si->i_component_tag );
}
#endif
else if( p_dr->i_tag == 0x56 )
{
msg_Dbg( p_demux, " * EBU Teletext descriptor" );
pid->es->fmt.i_cat = SPU_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 't', 'e', 'l', 'x' );
pid->es->fmt.i_extra = p_dr->i_length;
pid->es->fmt.p_extra = p_dr->i_length ?
malloc( p_dr->i_length ) : NULL;
if( pid->es->fmt.p_extra )
memcpy( pid->es->fmt.p_extra, p_dr->p_data,
p_dr->i_length );
#if defined _DVBPSI_DR_56_H_ && defined DVBPSI_VERSION \
&& DVBPSI_VERSION_INT > ((0<<16)+(1<<8)+5)
pid->es->fmt.i_group = p_pmt->i_program_number;
/* In stream output mode, only enable descriptor
* pass-through. */
if( !p_demux->out->b_sout )
{
uint16_t n, i = 0;
dvbpsi_teletext_dr_t *sub;
sub = dvbpsi_DecodeTeletextDr( p_dr );
if( !sub ) continue;
/* Each subtitle ES contains n languages,
* We are going to create n ES for the n tracks */
for( n = 0; n < sub->i_pages_number; n++ )
{
dvbpsi_teletextpage_t *p_page = &sub->p_pages[n];
if( p_page->i_teletext_type > 0x0 &&
p_page->i_teletext_type < 0x6 )
{
ts_es_t *p_es;
if( i == 0 )
{
p_es = pid->es;
}
else
{
p_es = malloc( sizeof( ts_es_t ) );
if( !p_es ) break;
es_format_Copy( &p_es->fmt, &pid->es->fmt );
free( p_es->fmt.psz_language );
free( p_es->fmt.psz_description );
p_es->fmt.psz_language = NULL;
p_es->fmt.psz_description = NULL;
p_es->id = NULL;
p_es->p_pes = NULL;
p_es->i_pes_size = 0;
p_es->i_pes_gathered = 0;
p_es->pp_last = &p_es->p_pes;
p_es->p_mpeg4desc = NULL;
TAB_APPEND( pid->i_extra_es, pid->extra_es,
p_es );
}
p_es->fmt.psz_language = malloc( 4 );
if( p_es->fmt.psz_language )
{
memcpy( p_es->fmt.psz_language,
p_page->i_iso6392_language_code, 3 );
p_es->fmt.psz_language[3] = 0;
}
p_es->fmt.psz_description = strdup(_(ppsz_teletext_type[p_page->i_teletext_type]));
msg_Dbg( p_demux,
" * ttxt type=%s lan=%s page=%d%02x",
p_es->fmt.psz_description,
p_es->fmt.psz_language,
p_page->i_teletext_magazine_number,
p_page->i_teletext_page_number );
/* This stores the initial page for this track,
so that it can be used by the telx and zvbi decoders. */
p_es->fmt.subs.teletext.i_magazine =
p_page->i_teletext_magazine_number ? : 8;
p_es->fmt.subs.teletext.i_page =
p_page->i_teletext_page_number;
i++;
}
}
if( !i )
pid->es->fmt.i_cat = UNKNOWN_ES;
}
else
#endif /* defined _DVBPSI_DR_56_H_ && DVBPSI_VERSION(0,1,6) */
{
pid->es->fmt.subs.teletext.i_magazine = -1;
pid->es->fmt.subs.teletext.i_page = 0;
pid->es->fmt.psz_description = strdup( _(ppsz_teletext_type[1]) );
}
}
else if( p_dr->i_tag == 0x59 )
{
/* DVB subtitles */
pid->es->fmt.i_cat = SPU_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'd', 'v', 'b', 's' );
pid->es->fmt.i_extra = p_dr->i_length;
pid->es->fmt.p_extra = malloc( p_dr->i_length );
if( pid->es->fmt.p_extra )
memcpy( pid->es->fmt.p_extra, p_dr->p_data,
p_dr->i_length );
#ifdef _DVBPSI_DR_59_H_
pid->es->fmt.i_group = p_pmt->i_program_number;
/* In stream output mode, only enable descriptor
* pass-through. */
if( !p_demux->out->b_sout )
{
uint16_t n, i = 0;
dvbpsi_subtitling_dr_t *sub;
sub = dvbpsi_DecodeSubtitlingDr( p_dr );
if( !sub ) continue;
for( n = 0; n < sub->i_subtitles_number; n++ )
{
dvbpsi_subtitle_t *p_sub = &sub->p_subtitle[n];
ts_es_t *p_es;
if( i == 0 )
{
p_es = pid->es;
}
else
{
p_es = malloc( sizeof( ts_es_t ) );
if( !p_es ) break;
es_format_Copy( &p_es->fmt, &pid->es->fmt );
free( p_es->fmt.psz_language ); p_es->fmt.psz_language = NULL;
free( p_es->fmt.psz_description ); p_es->fmt.psz_description = NULL;
p_es->id = NULL;
p_es->p_pes = NULL;
p_es->i_pes_size = 0;
p_es->i_pes_gathered = 0;
p_es->pp_last = &p_es->p_pes;
p_es->p_mpeg4desc = NULL;
TAB_APPEND( pid->i_extra_es, pid->extra_es,
p_es );
}
p_es->fmt.psz_language = malloc( 4 );
if( p_es->fmt.psz_language )
{
memcpy( p_es->fmt.psz_language,
p_sub->i_iso6392_language_code, 3 );
p_es->fmt.psz_language[3] = 0;
}
switch( p_sub->i_subtitling_type )
{
case 0x10: /* unspec. */
case 0x11: /* 4:3 */
case 0x12: /* 16:9 */
case 0x13: /* 2.21:1 */
p_es->fmt.psz_description =
strdup(_("DVB subtitles"));
break;
case 0x20: /* Hearing impaired unspec. */
case 0x21: /* h.i. 4:3 */
case 0x22: /* h.i. 16:9 */
case 0x23: /* h.i. 2.21:1 */
p_es->fmt.psz_description =
strdup(_("DVB subtitles: hearing impaired"));
break;
default:
break;
}
p_es->fmt.subs.dvb.i_id =
p_sub->i_composition_page_id;
/* Hack, FIXME */
p_es->fmt.subs.dvb.i_id |=
((int)p_sub->i_ancillary_page_id << 16);
i++;
}
if( !i )
pid->es->fmt.i_cat = UNKNOWN_ES;
}
else
#endif /* _DVBPSI_DR_59_H_ */
{
pid->es->fmt.subs.dvb.i_id = -1;
pid->es->fmt.psz_description = strdup( _("DVB subtitles") );
}
}
}
}
else if( p_es->i_type == 0xEA )
{
dvbpsi_descriptor_t *p_dr;
for( p_dr = p_es->p_first_descriptor; p_dr != NULL;
p_dr = p_dr->p_next )
{
msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x",
p_es->i_pid, p_es->i_type, p_dr->i_tag );
if( p_dr->i_tag == 0x05 )
{
/* Registration Descriptor */
if( p_dr->i_length < 4 ) // XXX VC-1 has extended this descriptor with sub-descriptor
{
msg_Warn( p_demux, "invalid Registration Descriptor" );
}
else
{
if( !memcmp( p_dr->p_data, "VC-1", 4 ) )
{
/* registration descriptor for VC-1 (SMPTE rp227) */
pid->es->fmt.i_cat = VIDEO_ES;
pid->es->fmt.i_codec = VLC_FOURCC('W','V','C','1');
/* XXX With Simple and Main profile the SEQUENCE
* header is modified: video width and height are
* inserted just after the start code as 2 int16_t
* The packetizer will take care of that. */
}
else
{
msg_Warn( p_demux,
"unknown Registration Descriptor (%4.4s)",
p_dr->p_data );
}
}
}
}
}
else if( p_es->i_type == 0xd1 )
{
dvbpsi_descriptor_t *p_dr;
for( p_dr = p_es->p_first_descriptor; p_dr != NULL;
p_dr = p_dr->p_next )
{
msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x",
p_es->i_pid, p_es->i_type, p_dr->i_tag );
if( p_dr->i_tag == 0x05 )
{
/* Registration Descriptor */
if( !memcmp( p_dr->p_data, "drac", 4 ) )
{
/* registration descriptor for Dirac
* (backwards compatable with VC-2 (SMPTE Sxxxx:2008)) */
pid->es->fmt.i_cat = VIDEO_ES;
pid->es->fmt.i_codec = VLC_FOURCC('d','r','a','c');
}
else
{
msg_Warn( p_demux,
"unknown Registration Descriptor (%4.4s)",
p_dr->p_data );
}
}
}
}
else if( p_es->i_type == 0xa0 )
{
/* MSCODEC sent by vlc */
dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;
while( p_dr && ( p_dr->i_tag != 0xa0 ) ) p_dr = p_dr->p_next;
if( p_dr && p_dr->i_length >= 8 )
{
pid->es->fmt.i_cat = VIDEO_ES;
pid->es->fmt.i_codec =
VLC_FOURCC( p_dr->p_data[0], p_dr->p_data[1],
p_dr->p_data[2], p_dr->p_data[3] );
pid->es->fmt.video.i_width =
( p_dr->p_data[4] << 8 ) | p_dr->p_data[5];
pid->es->fmt.video.i_height =
( p_dr->p_data[6] << 8 ) | p_dr->p_data[7];
pid->es->fmt.i_extra =
(p_dr->p_data[8] << 8) | p_dr->p_data[9];
if( pid->es->fmt.i_extra > 0 )
{
pid->es->fmt.p_extra = malloc( pid->es->fmt.i_extra );
if( pid->es->fmt.p_extra )
memcpy( pid->es->fmt.p_extra, &p_dr->p_data[10],
pid->es->fmt.i_extra );
}
}
else
{
msg_Warn( p_demux, "private MSCODEC (vlc) without bih private "
"descriptor" );
}
/* For such stream we will gather them ourself and don't launch a
* packetizer.
* Yes it's ugly but it's the only way to have DIV3 working */
pid->es->fmt.b_packetized = true;
}
else if( b_hdmv )
{
/* Blu-Ray mapping */
switch( p_es->i_type )
{
case 0x80:
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'b', 'p', 'c', 'm' );
break;
case 0x82:
case 0x85: /* DTS-HD High resolution audio */
case 0x86: /* DTS-HD Master audio */
case 0xA2: /* Secondary DTS audio */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
break;
case 0x83: /* TrueHD AC3 */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'm', 'l', 'p', ' ' );
break;
case 0x84: /* E-AC3 */
case 0x87: /* E-AC3 */
case 0xA1: /* Secondary E-AC3 */
pid->es->fmt.i_cat = AUDIO_ES;
pid->es->fmt.i_codec = VLC_FOURCC( 'e', 'a', 'c', '3' );
break;
case 0x90: /* Presentation graphics */
case 0x91: /* Interactive graphics */
case 0x92: /* Subtitle */
default:
break;
}
}
if( pid->es->fmt.i_cat == AUDIO_ES ||
( pid->es->fmt.i_cat == SPU_ES &&
pid->es->fmt.i_codec != VLC_FOURCC('d','v','b','s') &&
pid->es->fmt.i_codec != VLC_FOURCC('t','e','l','x') ) )
{
/* get language descriptor */
dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;
while( p_dr && ( p_dr->i_tag != 0x0a ) ) p_dr = p_dr->p_next;
if( p_dr )
{
dvbpsi_iso639_dr_t *p_decoded = dvbpsi_DecodeISO639Dr( p_dr );
if( p_decoded )
{
#if defined(DR_0A_API_VER) && (DR_0A_API_VER >= 2)
pid->es->fmt.psz_language = malloc( 4 );
if( pid->es->fmt.psz_language )
{
memcpy( pid->es->fmt.psz_language,
p_decoded->code[0].iso_639_code, 3 );
pid->es->fmt.psz_language[3] = 0;
msg_Dbg( p_demux, "found language: %s", pid->es->fmt.psz_language);
}
switch( p_decoded->code[0].i_audio_type ) {
case 0:
pid->es->fmt.psz_description = NULL;
break;
case 1:
pid->es->fmt.psz_description =
strdup(_("clean effects"));
break;
case 2:
pid->es->fmt.psz_description =
strdup(_("hearing impaired"));
break;
case 3:
pid->es->fmt.psz_description =
strdup(_("visual impaired commentary"));
break;
default:
msg_Dbg( p_demux, "unknown audio type: %d",
p_decoded->code[0].i_audio_type);
pid->es->fmt.psz_description = NULL;
break;
}
pid->es->fmt.i_extra_languages = p_decoded->i_code_count-1;
if( pid->es->fmt.i_extra_languages > 0 )
pid->es->fmt.p_extra_languages =
malloc( sizeof(*pid->es->fmt.p_extra_languages) *
pid->es->fmt.i_extra_languages );
if( pid->es->fmt.p_extra_languages )
{
for( i = 0; i < pid->es->fmt.i_extra_languages; i++ )
{
msg_Dbg( p_demux, "bang" );
pid->es->fmt.p_extra_languages[i].psz_language =
malloc(4);
if( pid->es->fmt.p_extra_languages[i].psz_language )
{
memcpy( pid->es->fmt.p_extra_languages[i].psz_language,
p_decoded->code[i+1].iso_639_code, 3 );
pid->es->fmt.p_extra_languages[i].psz_language[3] = '\0';
}
switch( p_decoded->code[i].i_audio_type ) {
case 0:
pid->es->fmt.p_extra_languages[i].psz_description =
NULL;
break;
case 1:
pid->es->fmt.p_extra_languages[i].psz_description =
strdup(_("clean effects"));
break;
case 2:
pid->es->fmt.p_extra_languages[i].psz_description =
strdup(_("hearing impaired"));
break;
case 3:
pid->es->fmt.p_extra_languages[i].psz_description =
strdup(_("visual impaired commentary"));
break;
default:
msg_Dbg( p_demux, "unknown audio type: %d",
p_decoded->code[i].i_audio_type);
pid->es->fmt.psz_description = NULL;
break;
}
}
}
#else
pid->es->fmt.psz_language = malloc( 4 );
if( pid->es->fmt.psz_language )
{
memcpy( pid->es->fmt.psz_language,
p_decoded->i_iso_639_code, 3 );
pid->es->fmt.psz_language[3] = 0;
}
#endif
}
}
}
pid->es->fmt.i_group = p_pmt->i_program_number;
if( pid->es->fmt.i_cat == UNKNOWN_ES )
{
msg_Dbg( p_demux, " * es pid=%d type=%d *unknown*",
p_es->i_pid, p_es->i_type );
}
else if( !p_sys->b_udp_out )
{
msg_Dbg( p_demux, " * es pid=%d type=%d fcc=%4.4s",
p_es->i_pid, p_es->i_type, (char*)&pid->es->fmt.i_codec );
if( p_sys->b_es_id_pid ) pid->es->fmt.i_id = p_es->i_pid;
/* Check if we can avoid restarting the ES */
if( old_pid &&
pid->es->fmt.i_codec == old_pid->es->fmt.i_codec &&
pid->es->fmt.i_extra == old_pid->es->fmt.i_extra &&
pid->es->fmt.i_extra == 0 &&
pid->i_extra_es == old_pid->i_extra_es &&
( ( !pid->es->fmt.psz_language &&
!old_pid->es->fmt.psz_language ) ||
( pid->es->fmt.psz_language &&
old_pid->es->fmt.psz_language &&
!strcmp( pid->es->fmt.psz_language,
old_pid->es->fmt.psz_language ) ) ) )
{
pid->es->id = old_pid->es->id;
old_pid->es->id = NULL;
for( i = 0; i < pid->i_extra_es; i++ )
{
pid->extra_es[i]->id = old_pid->extra_es[i]->id;
old_pid->extra_es[i]->id = NULL;
}
}
else
{
if( old_pid )
{
PIDClean( p_demux->out, old_pid );
TAB_REMOVE( i_clean, pp_clean, old_pid );
old_pid = 0;
}
pid->es->id = es_out_Add( p_demux->out, &pid->es->fmt );
for( i = 0; i < pid->i_extra_es; i++ )
{
pid->extra_es[i]->id =
es_out_Add( p_demux->out, &pid->extra_es[i]->fmt );
}
}
}
/* Add ES to the list */
if( old_pid )
{
PIDClean( p_demux->out, old_pid );
TAB_REMOVE( i_clean, pp_clean, old_pid );
}
p_sys->pid[p_es->i_pid] = *pid;
for( p_dr = p_es->p_first_descriptor; p_dr != NULL;
p_dr = p_dr->p_next )
{
if( p_dr->i_tag == 0x9 )
{
uint16_t i_sysid = ((uint16_t)p_dr->p_data[0] << 8)
| p_dr->p_data[1];
msg_Dbg( p_demux, " * descriptor : CA (0x9) SysID 0x%x",
i_sysid );
}
}
if( DVBProgramIsSelected( p_demux, prg->i_number )
&& (pid->es->id != NULL || p_sys->b_udp_out) )
{
/* Set demux filter */
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, p_es->i_pid,
true );
}
}
if( DVBProgramIsSelected( p_demux, prg->i_number ) )
{
/* Set CAM descrambling */
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_CA, p_pmt );
}
else
{
dvbpsi_DeletePMT( p_pmt );
}
for ( i = 0; i < i_clean; i++ )
{
if( DVBProgramIsSelected( p_demux, prg->i_number ) )
{
stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, pp_clean[i]->i_pid,
false );
}
PIDClean( p_demux->out, pp_clean[i] );
}
if( i_clean ) free( pp_clean );
}
static void PATCallBack( demux_t *p_demux, dvbpsi_pat_t *p_pat )
{
demux_sys_t *p_sys = p_demux->p_sys;
dvbpsi_pat_program_t *p_program;
ts_pid_t *pat = &p_sys->pid[0];
int i, j;
msg_Dbg( p_demux, "PATCallBack called" );
if( ( pat->psi->i_pat_version != -1 &&
( !p_pat->b_current_next ||
p_pat->i_version == pat->psi->i_pat_version ) ) ||
p_sys->b_user_pmt )
{
dvbpsi_DeletePAT( p_pat );
return;
}
msg_Dbg( p_demux, "new PAT ts_id=%d version=%d current_next=%d",
p_pat->i_ts_id, p_pat->i_version, p_pat->b_current_next );
/* Clean old */
if( p_sys->i_pmt > 0 )
{
int i_pmt_rm = 0;
ts_pid_t **pmt_rm = NULL;
/* Search pmt to be deleted */
for( i = 0; i < p_sys->i_pmt; i++ )
{
ts_pid_t *pmt = p_sys->pmt[i];
bool b_keep = false;
for( p_program = p_pat->p_first_program; p_program != NULL;
p_program = p_program->p_next )
{
if( p_program->i_pid == pmt->i_pid )
{
int i_prg;
for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
{
if( p_program->i_number ==
pmt->psi->prg[i_prg]->i_number )
{
b_keep = true;
break;
}
}
if( b_keep ) break;
}
}
if( !b_keep )
{
TAB_APPEND( i_pmt_rm, pmt_rm, pmt );
}
}
/* Delete all ES attached to thoses PMT */
for( i = 2; i < 8192; i++ )
{
ts_pid_t *pid = &p_sys->pid[i];
if( !pid->b_valid || pid->psi ) continue;
for( j = 0; j < i_pmt_rm && pid->b_valid; j++ )
{
int i_prg;
for( i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ )
{
/* We only remove es that aren't defined by extra pmt */
if( pid->p_owner->prg[i_prg]->i_pid_pmt !=
pmt_rm[j]->i_pid ) continue;
if( p_sys->b_dvb_control && pid->es->id )
{
if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE, i,
false ) )
p_sys->b_dvb_control = false;
}
PIDClean( p_demux->out, pid );
break;
}
}
}
/* Delete PMT pid */
for( i = 0; i < i_pmt_rm; i++ )
{
int i_prg;
if( p_sys->b_dvb_control )
{
if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE,
pmt_rm[i]->i_pid, false ) )
p_sys->b_dvb_control = false;
}
for( i_prg = 0; i_prg < pmt_rm[i]->psi->i_prg; i_prg++ )
{
const int i_number = pmt_rm[i]->psi->prg[i_prg]->i_number;
es_out_Control( p_demux->out, ES_OUT_DEL_GROUP, i_number );
}
PIDClean( p_demux->out, &p_sys->pid[pmt_rm[i]->i_pid] );
TAB_REMOVE( p_sys->i_pmt, p_sys->pmt, pmt_rm[i] );
}
free( pmt_rm );
}
/* now create programs */
for( p_program = p_pat->p_first_program; p_program != NULL;
p_program = p_program->p_next )
{
msg_Dbg( p_demux, " * number=%d pid=%d", p_program->i_number,
p_program->i_pid );
if( p_program->i_number != 0 )
{
ts_pid_t *pmt = &p_sys->pid[p_program->i_pid];
bool b_add = true;
if( pmt->b_valid )
{
int i_prg;
for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
{
if( pmt->psi->prg[i_prg]->i_number == p_program->i_number )
{
b_add = false;
break;
}
}
}
else
{
TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt );
}
if( b_add )
{
PIDInit( pmt, true, pat->psi );
pmt->psi->prg[pmt->psi->i_prg-1]->handle =
dvbpsi_AttachPMT( p_program->i_number,
(dvbpsi_pmt_callback)PMTCallBack,
p_demux );
pmt->psi->prg[pmt->psi->i_prg-1]->i_number =
p_program->i_number;
pmt->psi->prg[pmt->psi->i_prg-1]->i_pid_pmt =
p_program->i_pid;
/* Now select PID at access level */
if( p_sys->b_dvb_control )
{
if( DVBProgramIsSelected( p_demux, p_program->i_number ) )
{
if( p_sys->i_dvb_program == 0 )
p_sys->i_dvb_program = p_program->i_number;
if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
ACCESS_SET_PRIVATE_ID_STATE,
p_program->i_pid, true ) )
p_sys->b_dvb_control = false;
}
}
}
}
}
pat->psi->i_pat_version = p_pat->i_version;
dvbpsi_DeletePAT( p_pat );
}