Skip to content

V
vlc-gpu
Commit dbe002fd authored by Christophe Massiot's avatar Christophe Massiot
Browse files
Options

* New (experimental and incomplete) demuxstream module. It bypasses the 

stream output, and takes what comes from a DVB card and sends it onto
the network. I didn't activate it in configure.ac because I suspect there
might be problems with iovec on Windows (and there is probably a better
way to do it).
parent 96e75a5f
Show whitespace changes
Inline Side-by-side
Showing with 1839 additions and 0 deletions
modules/demux/Modules.am
View file @ dbe002fd
......@@ -3,6 +3,7 @@ SOURCES_flac = flac.c
SOURCES_ogg = ogg.c
SOURCES_m3u = m3u.c
SOURCES_demuxdump = demuxdump.c
SOURCES_demuxstream = demuxstream.c
SOURCES_rawdv = rawdv.c
SOURCES_au = au.c
SOURCES_wav = wav.c
......
modules/demux/demuxstream.c 0 → 100644
View file @ dbe002fd
/*****************************************************************************
* demuxstream.c: Read an MPEG stream from the satellite and stream it
*****************************************************************************
* Copyright (C) 2003 VideoLAN
* $Id: demuxstream.c,v 1.1 2003/11/06 16:06:28 massiot Exp $
*
* Authors: Henri Fallon <henri@via.ecp.fr>
* Johan Bilien <jobi@via.ecp.fr>
* Laurent Aimar <fenrir@via.ecp.fr>
* Christophe Massiot <massiot@via.ecp.fr>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*
* Note :
* The goal of this module is to stream packets coming from a DVB interface
* as fast as possible onto the network, like VLS does. This is a copy/paste
* from modules/demux/mpeg/ts.c, because I need to parse the PMT to set
* the demux filters in the satellite module. So I need the full TS module.
* It would probably have been better not to copy/paste and use some kind
* of hooks, but it is too complicated for me. Use this module that way :
*
* vlc satellite/demuxstream: --program 4242 --demuxstream-mrl \
* udp:192.168.255.1:1234
*
* Also note that this module doesn't rebuild the PAT/PMT, and doesn't
* filter the PIDs : it just takes whatever comes from the DVB interface
* and sends it to the network. The client VLC should have no problem to
* deal with it, but other implementations will probably die.
*
* This file is part of the Dreambox port of VLC.
* --Meuuh
*/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <unistd.h>
#include <sys/uio.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
#include "iso_lang.h"
#if defined MODULE_NAME_IS_demuxstream
# ifdef HAVE_DVBPSI_DR_H
# include <dvbpsi/dvbpsi.h>
# include <dvbpsi/descriptor.h>
# include <dvbpsi/pat.h>
# include <dvbpsi/pmt.h>
# include <dvbpsi/dr.h>
# else
# include "dvbpsi.h"
# include "descriptor.h"
# include "tables/pat.h"
# include "tables/pmt.h"
# include "descriptors/dr.h"
# endif
#endif
#include "mpeg/system.h"
#include "codecs.h"
#include "network.h"
/*****************************************************************************
* Constants
*****************************************************************************/
#define TS_READ_ONCE 7
#define DEFAULT_PORT 1234
/*****************************************************************************
* Private structure
*****************************************************************************/
struct demux_sys_t
{
module_t * p_module;
mpeg_demux_t mpeg;
int i_handle;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Activate ( vlc_object_t * );
static void Deactivate ( vlc_object_t * );
static int Demux ( input_thread_t * );
#if defined MODULE_NAME_IS_demuxstream_old
static void TSDemuxPSI ( input_thread_t *, data_packet_t *,
es_descriptor_t *, vlc_bool_t );
static void TSDecodePAT( input_thread_t *, es_descriptor_t *);
static void TSDecodePMT( input_thread_t *, es_descriptor_t *);
#define PSI_CALLBACK TSDemuxPSI
#elif defined MODULE_NAME_IS_demuxstream
static void TS_DVBPSI_DemuxPSI ( input_thread_t *, data_packet_t *,
es_descriptor_t *, vlc_bool_t );
static void TS_DVBPSI_HandlePAT ( input_thread_t *, dvbpsi_pat_t * );
static void TS_DVBPSI_HandlePMT ( input_thread_t *, dvbpsi_pmt_t * );
#define PSI_CALLBACK TS_DVBPSI_DemuxPSI
#endif
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define VLS_BACKWARDS_COMPAT_TEXT N_("Compatibility with pre-0.4 VLS")
#define VLS_BACKWARDS_COMPAT_LONGTEXT N_( \
"The protocol for transmitting A/52 audio streams changed between VLC " \
"0.3.x and 0.4. By default VLC assumes you have the latest VLS. In case " \
"you're using an old version, select this option.")
#define BUGGY_PSI_TEXT N_("Buggy PSI")
#define BUGGY_PSI_LONGTEXT N_( \
"If you have a stream whose PSI packets do not feature incremented " \
"continuity counters, select this option.")
#define MRL_TEXT N_("Output MRL")
vlc_module_begin();
#if defined MODULE_NAME_IS_demuxstream_old
set_description( _("ISO 13818-1 MPEG Transport Stream demuxstream") );
set_capability( "demux", 0 );
add_shortcut( "demuxstream_old" );
#elif defined MODULE_NAME_IS_demuxstream
set_description( _("ISO 13818-1 MPEG Transport Stream demuxstream (libdvbpsi)") );
set_capability( "demux", 0 );
add_shortcut( "demuxstream" );
#endif
add_category_hint( N_("Miscellaneous"), NULL, VLC_TRUE );
add_bool( "vls-backwards-compat", 0, NULL,
VLS_BACKWARDS_COMPAT_TEXT, VLS_BACKWARDS_COMPAT_LONGTEXT, VLC_TRUE );
add_bool( "buggy-psi", 0, NULL, BUGGY_PSI_TEXT, BUGGY_PSI_LONGTEXT, VLC_TRUE );
add_string( "demuxstream-mrl", "", NULL, MRL_TEXT, NULL, VLC_FALSE );
set_callbacks( Activate, Deactivate );
vlc_module_end();
/*****************************************************************************
* Activate: initialize TS structures
*****************************************************************************/
static int Activate( vlc_object_t * p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
demux_sys_t * p_demux;
es_descriptor_t * p_pat_es;
es_ts_data_t * p_demux_data;
stream_ts_data_t * p_stream_data;
byte_t * p_peek;
char * psz_mrl = config_GetPsz( p_input, "demuxstream-mrl" );
char * psz_parser = psz_mrl;
char * psz_dst_addr;
int i_dst_port;
module_t *p_network;
network_socket_t socket_desc;
/* Open the output socket */
if ( psz_mrl == NULL || !*psz_mrl )
{
msg_Err( p_input, "invalid demuxstream-mrl" );
return -1;
}
if ( strncmp( psz_mrl, "udp:", 4 ) )
{
msg_Err( p_input, "demuxstream-mrl should start with udp: (%s)",
psz_mrl );
return -1;
}
psz_parser += 4;
while ( *psz_parser == '/' )
{
psz_parser++;
}
psz_dst_addr = psz_parser;
i_dst_port = 0;
if ( *psz_parser == '[' )
{
while( *psz_parser && *psz_parser != ']' )
{
psz_parser++;
}
}
while( *psz_parser && *psz_parser != ':' )
{
psz_parser++;
}
if( *psz_parser == ':' )
{
*psz_parser = '\0';
psz_parser++;
i_dst_port = atoi( psz_parser );
}
if( i_dst_port <= 0 )
{
i_dst_port = DEFAULT_PORT;
}
socket_desc.i_type = NETWORK_UDP;
socket_desc.psz_server_addr = psz_dst_addr;
socket_desc.i_server_port = i_dst_port;
socket_desc.psz_bind_addr = "";
socket_desc.i_bind_port = 0;
socket_desc.i_ttl = 0;
p_input->p_private = (void*)&socket_desc;
if( !( p_network = module_Need( p_input,
"network", "" ) ) )
{
msg_Err( p_input, "failed to open a connection (udp)" );
return( VLC_EGENERIC );
}
module_Unneed( p_input, p_network );
/* Set the demux function */
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
#if 0
/* XXX Unused already done by src/input.c */
/* Initialize access plug-in structures. */
if( p_input->i_mtu == 0 )
{
/* Improve speed. */
msg_Dbg( p_input, "using default mtu (%d) with bufsize (%d)\n",
p_input->i_mtu, INPUT_DEFAULT_BUFSIZE );
p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
}
#endif
/* Have a peep at the show. */
if( input_Peek( p_input, &p_peek, 1 ) < 1 )
{
msg_Err( p_input, "cannot peek()" );
return -1;
}
if( *p_peek != TS_SYNC_CODE )
{
msg_Err( p_input, "this does not look like a TS stream, continuing" );
}
/* Adapt the bufsize for our only use. */
if( p_input->i_mtu != 0 )
{
/* Have minimum granularity to avoid bottlenecks at the input level. */
p_input->i_bufsize = (p_input->i_mtu / TS_PACKET_SIZE) * TS_PACKET_SIZE;
}
p_demux = p_input->p_demux_data = malloc( sizeof(demux_sys_t ) );
if( p_demux == NULL )
{
return -1;
}
p_demux->i_handle = socket_desc.i_handle;
p_input->p_private = (void*)&p_demux->mpeg;
p_demux->p_module = module_Need( p_input, "mpeg-system", NULL );
if( p_demux->p_module == NULL )
{
free( p_input->p_demux_data );
return -1;
}
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, sizeof( stream_ts_data_t ) ) == -1 )
{
module_Unneed( p_input, p_demux->p_module );
free( p_input->p_demux_data );
return -1;
}
p_stream_data = (stream_ts_data_t *)p_input->stream.p_demux_data;
p_stream_data->i_pat_version = PAT_UNINITIALIZED ;
p_stream_data->b_buggy_psi = config_GetInt( p_input, "buggy-psi" );
#ifdef MODULE_NAME_IS_demuxstream
p_stream_data->p_pat_handle = (dvbpsi_handle *)
dvbpsi_AttachPAT( (dvbpsi_pat_callback) &TS_DVBPSI_HandlePAT, p_input );
if( p_stream_data->p_pat_handle == NULL )
{
msg_Err( p_input, "could not create PAT decoder" );
module_Unneed( p_input, p_demux->p_module );
free( p_input->p_demux_data );
return -1;
}
#endif
/* We'll have to catch the PAT in order to continue
* Then the input will catch the PMT and then the others ES
* The PAT es is indepedent of any program. */
p_pat_es = input_AddES( p_input, NULL, 0x00,
UNKNOWN_ES, NULL, sizeof( es_ts_data_t ) );
p_pat_es->i_fourcc = VLC_FOURCC( 'p', 'a', 't', ' ' );
p_demux_data = (es_ts_data_t *)p_pat_es->p_demux_data;
p_demux_data->b_psi = 1;
p_demux_data->i_psi_type = PSI_IS_PAT;
p_demux_data->p_psi_section = malloc(sizeof(psi_section_t));
p_demux_data->p_psi_section->b_is_complete = 1;
p_demux_data->i_continuity_counter = 0xFF;
vlc_mutex_unlock( &p_input->stream.stream_lock );
return 0;
}
/*****************************************************************************
* Deactivate: deinitialize TS structures
*****************************************************************************/
static void Deactivate( vlc_object_t * p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
module_Unneed( p_input, p_input->p_demux_data->p_module );
close( p_input->p_demux_data->i_handle );
free( p_input->p_demux_data );
}
/*****************************************************************************
* Demux: reads and demuxes data packets
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, otherwise the number of
* packets.
*****************************************************************************/
static int Demux( input_thread_t * p_input )
{
demux_sys_t * p_demux = p_input->p_demux_data;
int i_read_once = TS_READ_ONCE;
int i, j;
data_packet_t * p_data[i_read_once];
struct iovec vector[i_read_once];
for( i = 0; i < i_read_once; i++ )
{
ssize_t i_result;
i_result = p_demux->mpeg.pf_read_ts( p_input, &p_data[i] );
if( i_result <= 0 )
{
return i_result;
}
vector[i].iov_base = p_data[i]->p_demux_start;
vector[i].iov_len = TS_PACKET_SIZE;
}
/* Send the buffer immediately. */
writev( p_demux->i_handle, vector, i );
for( j = 0; j < i; j++ )
{
p_demux->mpeg.pf_demux_ts( p_input, p_data[j],
(psi_callback_t) &PSI_CALLBACK );
}
return i_read_once;
}
#if defined MODULE_NAME_IS_demuxstream_old
/*
* PSI demultiplexing and decoding without libdvbpsi
*/
/*****************************************************************************
* DemuxPSI : makes up complete PSI data
*****************************************************************************/
static void TSDemuxPSI( input_thread_t * p_input, data_packet_t * p_data,
es_descriptor_t * p_es, vlc_bool_t b_unit_start )
{
es_ts_data_t * p_demux_data;
p_demux_data = (es_ts_data_t *)p_es->p_demux_data;
#define p_psi (p_demux_data->p_psi_section)
#define p (p_data->p_payload_start)
if( b_unit_start )
{
/* unit_start set to 1 -> presence of a pointer field
* (see ISO/IEC 13818 (2.4.4.2) which should be set to 0x00 */
if( (uint8_t)p[0] != 0x00 )
{
msg_Warn( p_input,
"non-zero pointer field found, trying to continue" );
p+=(uint8_t)p[0];
}
else
{
p++;
}
/* This is the begining of a new section */
if( ((uint8_t)(p[1]) & 0xc0) != 0x80 )
{
msg_Warn( p_input, "invalid PSI packet" );
p_psi->b_trash = 1;
}
else
{
p_psi->i_section_length = ((p[1] & 0xF) << 8) | p[2];
p_psi->b_section_complete = 0;
p_psi->i_read_in_section = 0;
p_psi->i_section_number = (uint8_t)p[6];
if( p_psi->b_is_complete || p_psi->i_section_number == 0 )
{
/* This is a new PSI packet */
p_psi->b_is_complete = 0;
p_psi->b_trash = 0;
p_psi->i_version_number = ( p[5] >> 1 ) & 0x1f;
p_psi->i_last_section_number = (uint8_t)p[7];
/* We'll write at the begining of the buffer */
p_psi->p_current = p_psi->buffer;
}
else
{
if( p_psi->b_section_complete )
{
/* New Section of an already started PSI */
p_psi->b_section_complete = 0;
if( p_psi->i_version_number != (( p[5] >> 1 ) & 0x1f) )
{
msg_Warn( p_input,
"PSI version differs inside same PAT" );
p_psi->b_trash = 1;
}
if( p_psi->i_section_number + 1 != (uint8_t)p[6] )
{
msg_Warn( p_input,
"PSI Section discontinuity, packet lost?" );
p_psi->b_trash = 1;
}
else
p_psi->i_section_number++;
}
else
{
msg_Warn( p_input, "got unexpected new PSI section" );
p_psi->b_trash = 1;
}
}
}
} /* b_unit_start */
if( !p_psi->b_trash )
{
/* read */
if( (p_data->p_payload_end - p) >=
( p_psi->i_section_length - p_psi->i_read_in_section ) )
{
/* The end of the section is in this TS packet */
memcpy( p_psi->p_current, p,
(p_psi->i_section_length - p_psi->i_read_in_section) );
p_psi->b_section_complete = 1;
p_psi->p_current +=
(p_psi->i_section_length - p_psi->i_read_in_section);
if( p_psi->i_section_number == p_psi->i_last_section_number )
{
/* This was the last section of PSI */
p_psi->b_is_complete = 1;
switch( p_demux_data->i_psi_type)
{
case PSI_IS_PAT:
TSDecodePAT( p_input, p_es );
break;
case PSI_IS_PMT:
TSDecodePMT( p_input, p_es );
break;
default:
msg_Warn( p_input, "received unknown PSI in DemuxPSI" );
}
}
}
else
{
memcpy( p_psi->buffer, p, p_data->p_payload_end - p );
p_psi->i_read_in_section += p_data->p_payload_end - p;
p_psi->p_current += p_data->p_payload_end - p;
}
}
#undef p_psi
#undef p
input_DeletePacket( p_input->p_method_data, p_data );
return ;
}
/*****************************************************************************
* DecodePAT : Decodes Programm association table and deal with it
*****************************************************************************/
static void TSDecodePAT( input_thread_t * p_input, es_descriptor_t * p_es )
{
stream_ts_data_t * p_stream_data;
es_ts_data_t * p_demux_data;
pgrm_descriptor_t * p_pgrm;
es_descriptor_t * p_current_es;
byte_t * p_current_data;
int i_section_length, i_program_id, i_pmt_pid;
int i_loop, i_current_section;
vlc_bool_t b_changed = 0;
p_demux_data = (es_ts_data_t *)p_es->p_demux_data;
p_stream_data = (stream_ts_data_t *)p_input->stream.p_demux_data;
#define p_psi (p_demux_data->p_psi_section)
/* Not so fast, Mike ! If the PAT version has changed, we first check
* that its content has really changed before doing anything */
if( p_stream_data->i_pat_version != p_psi->i_version_number )
{
int i_programs = p_input->stream.i_pgrm_number;
p_current_data = p_psi->buffer;
do
{
i_section_length = ((uint32_t)(p_current_data[1] & 0xF) << 8) |
p_current_data[2];
i_current_section = (uint8_t)p_current_data[6];
for( i_loop = 0;
( i_loop < (i_section_length - 9) / 4 ) && !b_changed;
i_loop++ )
{
i_program_id = ( (uint32_t)*(p_current_data + i_loop * 4 + 8) << 8 )
| *(p_current_data + i_loop * 4 + 9);
i_pmt_pid = ( ((uint32_t)*(p_current_data + i_loop * 4 + 10) & 0x1F)
<< 8 )
| *(p_current_data + i_loop * 4 + 11);
if( i_program_id )
{
if( (p_pgrm = input_FindProgram( p_input, i_program_id ))
&& (p_current_es = input_FindES( p_input, i_pmt_pid ))
&& p_current_es->p_pgrm == p_pgrm
&& p_current_es->i_id == i_pmt_pid
&& ((es_ts_data_t *)p_current_es->p_demux_data)->b_psi
&& ((es_ts_data_t *)p_current_es->p_demux_data)
->i_psi_type == PSI_IS_PMT )
{
i_programs--;
}
else
{
b_changed = 1;
}
}
}
p_current_data += 3 + i_section_length;
} while( ( i_current_section < p_psi->i_last_section_number )
&& !b_changed );
/* If we didn't find the expected amount of programs, the PAT has
* changed. Otherwise, it only changed if b_changed is already != 0 */
b_changed = b_changed || i_programs;
}
if( b_changed )
{
/* PAT has changed. We are going to delete all programs and
* create new ones. We chose not to only change what was needed
* as a PAT change may mean the stream is radically changing and
* this is a secure method to avoid crashes */
es_ts_data_t * p_es_demux;
pgrm_ts_data_t * p_pgrm_demux;
p_current_data = p_psi->buffer;
/* Delete all programs */
while( p_input->stream.i_pgrm_number )
{
input_DelProgram( p_input, p_input->stream.pp_programs[0] );
}
do
{
i_section_length = ((uint32_t)(p_current_data[1] & 0xF) << 8) |
p_current_data[2];
i_current_section = (uint8_t)p_current_data[6];
for( i_loop = 0; i_loop < (i_section_length - 9) / 4 ; i_loop++ )
{
i_program_id = ( (uint32_t)*(p_current_data + i_loop * 4 + 8) << 8 )
| *(p_current_data + i_loop * 4 + 9);
i_pmt_pid = ( ((uint32_t)*(p_current_data + i_loop * 4 + 10) & 0x1F)
<< 8 )
| *(p_current_data + i_loop * 4 + 11);
/* If program = 0, we're having info about NIT not PMT */
if( i_program_id )
{
/* Add this program */
p_pgrm = input_AddProgram( p_input, i_program_id,
sizeof( pgrm_ts_data_t ) );
/* whatis the PID of the PMT of this program */
p_pgrm_demux = (pgrm_ts_data_t *)p_pgrm->p_demux_data;
p_pgrm_demux->i_pmt_version = PMT_UNINITIALIZED;
/* Add the PMT ES to this program */
p_current_es = input_AddES( p_input, p_pgrm,(uint16_t)i_pmt_pid,
UNKNOWN_ES, NULL, sizeof( es_ts_data_t) );
p_current_es->i_fourcc = VLC_FOURCC( 'p', 'm', 't', ' ' );
p_es_demux = (es_ts_data_t *)p_current_es->p_demux_data;
p_es_demux->b_psi = 1;
p_es_demux->i_psi_type = PSI_IS_PMT;
p_es_demux->p_psi_section =
malloc( sizeof( psi_section_t ) );
p_es_demux->p_psi_section->b_is_complete = 0;
p_es_demux->i_continuity_counter = 0xFF;
}
}
p_current_data += 3 + i_section_length;
} while( i_current_section < p_psi->i_last_section_number );
/* Go to the beginning of the next section */
p_stream_data->i_pat_version = p_psi->i_version_number;
}
#undef p_psi
}
/*****************************************************************************
* DecodePMT : decode a given Program Stream Map
* ***************************************************************************
* When the PMT changes, it may mean a deep change in the stream, and it is
* careful to delete the ES and add them again. If the PMT doesn't change,
* there no need to do anything.
*****************************************************************************/
static void TSDecodePMT( input_thread_t * p_input, es_descriptor_t * p_es )
{
pgrm_ts_data_t * p_pgrm_data;
es_ts_data_t * p_demux_data;
vlc_bool_t b_vls_compat = config_GetInt( p_input, "vls-backwards-compat" );
p_demux_data = (es_ts_data_t *)p_es->p_demux_data;
p_pgrm_data = (pgrm_ts_data_t *)p_es->p_pgrm->p_demux_data;
#define p_psi (p_demux_data->p_psi_section)
if( p_psi->i_version_number != p_pgrm_data->i_pmt_version )
{
es_descriptor_t * p_new_es;
es_ts_data_t * p_es_demux;
byte_t * p_current_data, * p_current_section;
int i_section_length,i_current_section;
int i_prog_info_length, i_loop;
int i_es_info_length, i_pid, i_stream_type;
p_current_section = p_psi->buffer;
p_current_data = p_psi->buffer;
p_pgrm_data->i_pcr_pid = ( ((uint32_t)*(p_current_section + 8) & 0x1F) << 8 ) |
*(p_current_section + 9);
/* Lock stream information */
vlc_mutex_lock( &p_input->stream.stream_lock );
/* Delete all ES in this program except the PSI. We start from the
* end because i_es_number gets decremented after each deletion. */
for( i_loop = p_es->p_pgrm->i_es_number ; i_loop ; )
{
i_loop--;
p_es_demux = (es_ts_data_t *)
p_es->p_pgrm->pp_es[i_loop]->p_demux_data;
if ( ! p_es_demux->b_psi )
{
input_DelES( p_input, p_es->p_pgrm->pp_es[i_loop] );
}
}
/* Then add what we received in this PMT */
do
{
i_section_length = ( ((uint32_t)*(p_current_data + 1) & 0xF) << 8 ) |
*(p_current_data + 2);
i_current_section = (uint8_t)p_current_data[6];
i_prog_info_length = ( ((uint32_t)*(p_current_data + 10) & 0xF) << 8 ) |
*(p_current_data + 11);
/* For the moment we ignore program descriptors */
p_current_data += 12 + i_prog_info_length;
/* The end of the section, before the CRC is at
* p_current_section + i_section_length -1 */
while( p_current_data < p_current_section + i_section_length -1 )
{
i_stream_type = (int)p_current_data[0];
i_pid = ( ((uint32_t)*(p_current_data + 1) & 0x1F) << 8 ) |
*(p_current_data + 2);
i_es_info_length = ( ((uint32_t)*(p_current_data + 3) & 0xF) << 8 ) |
*(p_current_data + 4);
/* Tell the interface what kind of stream it is and select
* the required ones */
{
int i_fourcc, i_cat, i_stream_id;
switch( i_stream_type )
{
case MPEG1_VIDEO_ES:
case MPEG2_VIDEO_ES:
case MPEG2_MOTO_VIDEO_ES:
/* This isn't real, but we don't actually use
* it. */
i_stream_id = 0xE0;
i_fourcc = VLC_FOURCC('m','p','g','v');
i_cat = VIDEO_ES;
break;
case MPEG1_AUDIO_ES:
case MPEG2_AUDIO_ES:
/* This isn't real, but we don't actually use
* it. */
i_stream_id = 0xC0;
i_fourcc = VLC_FOURCC('m','p','g','a');
i_cat = AUDIO_ES;
break;
case A52_AUDIO_ES:
if ( !b_vls_compat )
i_fourcc = VLC_FOURCC('a','5','2',' ');
else
i_fourcc = VLC_FOURCC('a','5','2','b');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case LPCM_AUDIO_ES:
i_fourcc = VLC_FOURCC('l','p','c','m');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case DVD_SPU_ES:
if ( !b_vls_compat )
i_fourcc = VLC_FOURCC('s','p','u',' ');
else
i_fourcc = VLC_FOURCC('s','p','u','b');
i_stream_id = 0xBD;
i_cat = SPU_ES;
break;
case SDDS_AUDIO_ES:
i_fourcc = VLC_FOURCC('s','d','d','s');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case DTS_AUDIO_ES:
i_fourcc = VLC_FOURCC('d','t','s',' ');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
/* 'b' stands for 'buggy' */
case A52B_AUDIO_ES:
i_fourcc = VLC_FOURCC('a','5','2','b');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case LPCMB_AUDIO_ES:
i_fourcc = VLC_FOURCC('l','p','c','b');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case DVDB_SPU_ES:
i_fourcc = VLC_FOURCC('s','p','u','b');
i_stream_id = 0xBD;
i_cat = SPU_ES;
break;
case AAC_ADTS_AUDIO_ES:
i_fourcc = VLC_FOURCC('m','p','4','a');
i_cat = AUDIO_ES;
i_stream_id = 0xfa;
break;
default :
i_stream_id = 0;
i_fourcc = 0;
i_cat = UNKNOWN_ES;
break;
}
/* Add this ES to the program */
p_new_es = input_AddES( p_input, p_es->p_pgrm, (uint16_t)i_pid,
i_cat, NULL, sizeof( es_ts_data_t ) );
((es_ts_data_t *)p_new_es->p_demux_data)->i_continuity_counter = 0xFF;
p_new_es->i_stream_id = i_stream_id;
p_new_es->i_fourcc = i_fourcc;
}
p_current_data += 5 + i_es_info_length;
}
/* Go to the beginning of the next section*/
p_current_data += 3 + i_section_length;
p_current_section++;
} while( i_current_section < p_psi->i_last_section_number );
p_pgrm_data->i_pmt_version = p_psi->i_version_number;
/* if no program is selected :*/
if( !p_input->stream.p_selected_program )
{
pgrm_descriptor_t * p_pgrm_to_select;
uint16_t i_id = (uint16_t)config_GetInt( p_input, "program" );
if( i_id != 0 ) /* if user specified a program */
{
p_pgrm_to_select = input_FindProgram( p_input, i_id );
if( p_pgrm_to_select && p_pgrm_to_select == p_es->p_pgrm )
p_input->pf_set_program( p_input, p_pgrm_to_select );
}
else
p_input->pf_set_program( p_input, p_es->p_pgrm );
}
/* if the pmt belongs to the currently selected program, we
* reselect it to update its ES */
else if( p_es->p_pgrm == p_input->stream.p_selected_program )
{
p_input->pf_set_program( p_input, p_es->p_pgrm );
}
/* inform interface that stream has changed */
p_input->stream.b_changed = 1;
/* Remove lock */
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
#undef p_psi
}
#elif defined MODULE_NAME_IS_demuxstream
/*
* PSI Decoding using libdvbpsi
*/
/*****************************************************************************
* DemuxPSI : send the PSI to the right libdvbpsi decoder
*****************************************************************************/
static void TS_DVBPSI_DemuxPSI( input_thread_t * p_input,
data_packet_t * p_data,
es_descriptor_t * p_es,
vlc_bool_t b_unit_start )
{
es_ts_data_t * p_es_demux_data;
pgrm_ts_data_t * p_pgrm_demux_data;
stream_ts_data_t * p_stream_demux_data;
p_es_demux_data = (es_ts_data_t *)p_es->p_demux_data;
p_stream_demux_data = (stream_ts_data_t *) p_input->stream.p_demux_data;
switch( p_es_demux_data->i_psi_type)
{
case PSI_IS_PAT:
dvbpsi_PushPacket(
(dvbpsi_handle)p_stream_demux_data->p_pat_handle,
p_data->p_demux_start );
break;
case PSI_IS_PMT:
p_pgrm_demux_data = ( pgrm_ts_data_t * )p_es->p_pgrm->p_demux_data;
dvbpsi_PushPacket(
(dvbpsi_handle)p_pgrm_demux_data->p_pmt_handle,
p_data->p_demux_start );
break;
default:
msg_Warn( p_input, "received unknown PSI in DemuxPSI" );
}
input_DeletePacket( p_input->p_method_data, p_data );
}
/*****************************************************************************
* MP4 specific functions
*****************************************************************************/
static int MP4_DescriptorLength( 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 MP4_GetByte( int *pi_data, uint8_t **pp_data )
{
if( *pi_data > 0 )
{
int i_b = **pp_data;
(*pp_data)++;
(*pi_data)--;
return( i_b );
}
else
{
return( 0 );
}
}
static int MP4_GetWord( int *pi_data, uint8_t **pp_data )
{
int i1, i2;
i1 = MP4_GetByte( pi_data, pp_data );
i2 = MP4_GetByte( pi_data, pp_data );
return( ( i1 << 8 ) | i2 );
}
static int MP4_Get3Bytes( int *pi_data, uint8_t **pp_data )
{
int i1, i2, i3;
i1 = MP4_GetByte( pi_data, pp_data );
i2 = MP4_GetByte( pi_data, pp_data );
i3 = MP4_GetByte( pi_data, pp_data );
return( ( i1 << 16 ) | ( i2 << 8) | i3 );
}
static uint32_t MP4_GetDWord( int *pi_data, uint8_t **pp_data )
{
uint32_t i1, i2;
i1 = MP4_GetWord( pi_data, pp_data );
i2 = MP4_GetWord( pi_data, pp_data );
return( ( i1 << 16 ) | i2 );
}
static char* MP4_GetURL( int *pi_data, uint8_t **pp_data )
{
char *url;
int i_url_len, i;
i_url_len = MP4_GetByte( pi_data, pp_data );
url = malloc( i_url_len + 1 );
for( i = 0; i < i_url_len; i++ )
{
url[i] = MP4_GetByte( pi_data, pp_data );
}
url[i_url_len] = '\0';
return( url );
}
static void MP4_IODParse( iod_descriptor_t *p_iod, int i_data, uint8_t *p_data )
{
int i;
int i_es_index;
uint8_t i_flags;
vlc_bool_t b_url;
int i_iod_length;
fprintf( stderr, "\n************ IOD ************" );
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->i_iod_label = MP4_GetByte( &i_data, &p_data );
fprintf( stderr, "\n* iod_label:%d", p_iod->i_iod_label );
fprintf( stderr, "\n* ===========" );
fprintf( stderr, "\n* tag:0x%x", p_data[0] );
if( MP4_GetByte( &i_data, &p_data ) != 0x02 )
{
fprintf( stderr, "\n ERR: tag != 0x02" );
return;
}
i_iod_length = MP4_DescriptorLength( &i_data, &p_data );
fprintf( stderr, "\n* length:%d", i_iod_length );
if( i_iod_length > i_data )
{
i_iod_length = i_data;
}
p_iod->i_od_id = ( MP4_GetByte( &i_data, &p_data ) << 2 );
i_flags = MP4_GetByte( &i_data, &p_data );
p_iod->i_od_id |= i_flags >> 6;
b_url = ( i_flags >> 5 )&0x01;
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 );
if( b_url )
{
p_iod->psz_url = MP4_GetURL( &i_data, &p_data );
fprintf( stderr, "\n* url string:%s", p_iod->psz_url );
fprintf( stderr, "\n*****************************\n" );
return;
}
else
{
p_iod->psz_url = NULL;
}
p_iod->i_ODProfileLevelIndication = MP4_GetByte( &i_data, &p_data );
p_iod->i_sceneProfileLevelIndication = MP4_GetByte( &i_data, &p_data );
p_iod->i_audioProfileLevelIndication = MP4_GetByte( &i_data, &p_data );
p_iod->i_visualProfileLevelIndication = MP4_GetByte( &i_data, &p_data );
p_iod->i_graphicsProfileLevelIndication = MP4_GetByte( &i_data, &p_data );
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 );
while( i_data > 0 && i_es_index < 255)
{
int i_tag, i_length;
int i_data_sav;
uint8_t *p_data_sav;
i_tag = MP4_GetByte( &i_data, &p_data );
i_length = MP4_DescriptorLength( &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;
fprintf( stderr, "\n* - ES_Descriptor length:%d", i_length );
es_descr.b_ok = 1;
es_descr.i_es_id = MP4_GetWord( &i_data, &p_data );
i_flags = MP4_GetByte( &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;
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 );
if( es_descr.b_streamDependenceFlag )
{
es_descr.i_dependOn_es_id = MP4_GetWord( &i_data, &p_data );
fprintf( stderr, "\n* * dependOn_es_id:%d", es_descr.i_dependOn_es_id );
}
if( b_url )
{
es_descr.psz_url = MP4_GetURL( &i_data, &p_data );
fprintf( stderr, "\n* url string:%s", es_descr.psz_url );
}
else
{
es_descr.psz_url = NULL;
}
if( es_descr.b_OCRStreamFlag )
{
es_descr.i_OCR_es_id = MP4_GetWord( &i_data, &p_data );
fprintf( stderr, "\n* * OCR_es_id:%d", es_descr.i_OCR_es_id );
}
if( MP4_GetByte( &i_data, &p_data ) != 0x04 )
{
fprintf( stderr, "\n* ERR missing DecoderConfigDescr" );
es_descr.b_ok = 0;
break;
}
i_decoderConfigDescr_length = MP4_DescriptorLength( &i_data, &p_data );
fprintf( stderr, "\n* - DecoderConfigDesc length:%d", i_decoderConfigDescr_length );
#define dec_descr es_descr.dec_descr
dec_descr.i_objectTypeIndication = MP4_GetByte( &i_data, &p_data );
i_flags = MP4_GetByte( &i_data, &p_data );
dec_descr.i_streamType = i_flags >> 2;
dec_descr.b_upStream = ( i_flags >> 1 )&0x01;
dec_descr.i_bufferSizeDB = MP4_Get3Bytes( &i_data, &p_data );
dec_descr.i_maxBitrate = MP4_GetDWord( &i_data, &p_data );
dec_descr.i_avgBitrate = MP4_GetDWord( &i_data, &p_data );
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 );
if( i_decoderConfigDescr_length > 13 && MP4_GetByte( &i_data, &p_data ) == 0x05 )
{
int i;
dec_descr.i_decoder_specific_info_len =
MP4_DescriptorLength( &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] = MP4_GetByte( &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( MP4_GetByte( &i_data, &p_data ) != 0x06 )
{
fprintf( stderr, "\n* ERR missing SLConfigDescr" );
es_descr.b_ok = 0;
break;
}
i_SLConfigDescr_length = MP4_DescriptorLength( &i_data, &p_data );
fprintf( stderr, "\n* - SLConfigDescr length:%d", i_SLConfigDescr_length );
i_predefined = MP4_GetByte( &i_data, &p_data );
fprintf( stderr, "\n* * i_predefined:0x%x", i_predefined );
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:
fprintf( stderr, "\n* ERR unsupported SLConfigDescr predefined" );
es_descr.b_ok = 0;
break;
}
}
break;
#undef sl_descr
#undef es_descr
default:
fprintf( stderr, "\n* - OD tag:0x%x length:%d (Unsupported)", i_tag, i_length );
break;
}
p_data = p_data_sav + i_length;
i_data = i_data_sav - i_length;
i_es_index++;
}
fprintf( stderr, "\n*****************************\n" );
}
static void MP4_IODClean( iod_descriptor_t *p_iod )
{
int i;
if( p_iod->psz_url )
{
free( p_iod->psz_url );
p_iod->psz_url = NULL;
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
{
if( es_descr.dec_descr.p_decoder_specific_info != NULL )
{
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
}
}
/*****************************************************************************
* HandlePAT: will treat a PAT returned by dvbpsi
*****************************************************************************/
static void TS_DVBPSI_HandlePAT( input_thread_t * p_input,
dvbpsi_pat_t * p_new_pat )
{
dvbpsi_pat_program_t * p_pgrm;
pgrm_descriptor_t * p_new_pgrm;
pgrm_ts_data_t * p_pgrm_demux;
es_descriptor_t * p_current_es;
es_ts_data_t * p_es_demux;
stream_ts_data_t * p_stream_data;
vlc_mutex_lock( &p_input->stream.stream_lock );
p_stream_data = (stream_ts_data_t *)p_input->stream.p_demux_data;
if( ( p_new_pat->b_current_next &&
( p_new_pat->i_version != p_stream_data->i_pat_version ) ) ||
p_stream_data->i_pat_version == PAT_UNINITIALIZED )
{
msg_Dbg( p_input, "Processing PAT version %d", p_new_pat->i_version );
/* Delete all programs */
while( p_input->stream.i_pgrm_number )
{
pgrm_ts_data_t *p_pgrm_demux_old =
(pgrm_ts_data_t *)p_input->stream.pp_programs[0]->p_demux_data;
if( p_pgrm_demux_old->b_mpeg4 )
{
MP4_IODClean( &p_pgrm_demux_old->iod );
}
/* Delete old PMT decoder */
if( p_pgrm_demux_old->p_pmt_handle )
dvbpsi_DetachPMT( p_pgrm_demux_old->p_pmt_handle );
input_DelProgram( p_input, p_input->stream.pp_programs[0] );
}
/* treat the new programs list */
p_pgrm = p_new_pat->p_first_program;
while( p_pgrm )
{
msg_Dbg( p_input, "New program: %d", p_pgrm->i_number );
/* If program = 0, we're having info about NIT not PMT */
if( p_pgrm->i_number )
{
/* Add this program */
p_new_pgrm = input_AddProgram( p_input, p_pgrm->i_number,
sizeof( pgrm_ts_data_t ) );
p_pgrm_demux = (pgrm_ts_data_t *)p_new_pgrm->p_demux_data;
p_pgrm_demux->i_pmt_version = PMT_UNINITIALIZED;
/* Add the PMT ES to this program */
p_current_es = input_AddES( p_input, p_new_pgrm,
(uint16_t)p_pgrm->i_pid, UNKNOWN_ES,
NULL, sizeof(es_ts_data_t) );
p_current_es->i_fourcc = VLC_FOURCC( 'p', 'm', 't', ' ' );
p_es_demux = (es_ts_data_t *)p_current_es->p_demux_data;
p_es_demux->b_psi = 1;
p_es_demux->i_psi_type = PSI_IS_PMT;
p_es_demux->p_psi_section = NULL;
p_es_demux->i_continuity_counter = 0xFF;
/* Create a PMT decoder */
p_pgrm_demux->p_pmt_handle = (dvbpsi_handle *)
dvbpsi_AttachPMT( p_pgrm->i_number,
(dvbpsi_pmt_callback) &TS_DVBPSI_HandlePMT,
p_input );
if( p_pgrm_demux->p_pmt_handle == NULL )
{
msg_Err( p_input, "could not create PMT decoder" );
p_input->b_error = 1;
return;
}
}
p_pgrm = p_pgrm->p_next;
}
p_stream_data->i_pat_version = p_new_pat->i_version;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
/*****************************************************************************
* HandlePMT: will treat a PMT returned by dvbpsi
*****************************************************************************/
static void TS_DVBPSI_HandlePMT( input_thread_t * p_input,
dvbpsi_pmt_t * p_new_pmt )
{
dvbpsi_pmt_es_t * p_es;
pgrm_descriptor_t * p_pgrm;
es_descriptor_t * p_new_es;
pgrm_ts_data_t * p_pgrm_demux;
vlc_bool_t b_vls_compat = config_GetInt( p_input, "vls-backwards-compat" );
vlc_mutex_lock( &p_input->stream.stream_lock );
p_pgrm = input_FindProgram( p_input, p_new_pmt->i_program_number );
if( p_pgrm == NULL )
{
msg_Warn( p_input, "PMT of unreferenced program found" );
return;
}
p_pgrm_demux = (pgrm_ts_data_t *)p_pgrm->p_demux_data;
p_pgrm_demux->i_pcr_pid = p_new_pmt->i_pcr_pid;
if( ( p_new_pmt->b_current_next &&
( p_new_pmt->i_version != p_pgrm_demux->i_pmt_version ) ) ||
p_pgrm_demux->i_pmt_version == PMT_UNINITIALIZED )
{
dvbpsi_descriptor_t *p_dr = p_new_pmt->p_first_descriptor;
int i_loop;
msg_Dbg( p_input, "Processing PMT for program %d version %d",
p_new_pmt->i_program_number, p_new_pmt->i_version );
/* Delete all ES in this program except the PSI. We start from the
* end because i_es_number gets decremented after each deletion. */
for( i_loop = p_pgrm->i_es_number ; i_loop > 0 ; )
{
es_ts_data_t * p_es_demux;
i_loop--;
p_es_demux = (es_ts_data_t *)
p_pgrm->pp_es[i_loop]->p_demux_data;
if ( !p_es_demux->b_psi )
{
input_DelES( p_input, p_pgrm->pp_es[i_loop] );
}
}
/* IOD */
while( p_dr && ( p_dr->i_tag != 0x1d ) )
p_dr = p_dr->p_next;
if( p_dr)
{
msg_Warn( p_input, "found IOD descriptor" );
MP4_IODParse( &p_pgrm_demux->iod, p_dr->i_length, p_dr->p_data );
}
p_es = p_new_pmt->p_first_es;
while( p_es )
{
vlc_fourcc_t i_fourcc;
int i_size, i_cat, i_stream_id = 0;
es_ts_data_t demux_data;
BITMAPINFOHEADER *p_bih = NULL;
WAVEFORMATEX *p_wf = NULL;
char psz_desc[30];
memset( &demux_data, 0, sizeof(es_ts_data_t) );
*psz_desc = 0;
msg_Dbg( p_input, "new PID 0x%x stream type 0x%x",
p_es->i_pid, p_es->i_type );
switch( p_es->i_type )
{
case MPEG1_VIDEO_ES:
case MPEG2_VIDEO_ES:
case MPEG2_MOTO_VIDEO_ES:
i_fourcc = VLC_FOURCC('m','p','g','v');
i_cat = VIDEO_ES;
break;
case MPEG1_AUDIO_ES:
case MPEG2_AUDIO_ES:
i_fourcc = VLC_FOURCC('m','p','g','a');
i_cat = AUDIO_ES;
break;
case A52_AUDIO_ES:
if ( !b_vls_compat )
i_fourcc = VLC_FOURCC('a','5','2',' ');
else
i_fourcc = VLC_FOURCC('a','5','2','b');
i_cat = AUDIO_ES;
i_stream_id = 0xBD;
break;
case DVD_SPU_ES:
if ( !b_vls_compat )
i_fourcc = VLC_FOURCC('s','p','u',' ');
else
i_fourcc = VLC_FOURCC('s','p','u','b');
i_cat = SPU_ES;
i_stream_id = 0xBD;
break;
case LPCM_AUDIO_ES:
i_fourcc = VLC_FOURCC('l','p','c','m');
i_cat = AUDIO_ES;
i_stream_id = 0xBD;
break;
case SDDS_AUDIO_ES:
i_fourcc = VLC_FOURCC('s','d','d','s');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case DTS_AUDIO_ES:
i_fourcc = VLC_FOURCC('d','t','s',' ');
i_stream_id = 0xBD;
i_cat = AUDIO_ES;
break;
case A52B_AUDIO_ES:
i_fourcc = VLC_FOURCC('a','5','2','b');
i_cat = AUDIO_ES;
i_stream_id = 0xBD;
break;
case DVDB_SPU_ES:
i_fourcc = VLC_FOURCC('s','p','u','b');
i_cat = SPU_ES;
i_stream_id = 0xBD;
break;
case LPCMB_AUDIO_ES:
i_fourcc = VLC_FOURCC('l','p','c','b');
i_cat = AUDIO_ES;
i_stream_id = 0xBD;
break;
case MPEG4_VIDEO_ES:
i_fourcc = VLC_FOURCC('m','p','4','v');
i_cat = VIDEO_ES;
i_stream_id = 0xfa;
break;
case MPEG4_AUDIO_ES:
case AAC_ADTS_AUDIO_ES:
i_fourcc = VLC_FOURCC('m','p','4','a');
i_cat = AUDIO_ES;
i_stream_id = 0xfa;
break;
case MSCODEC_VIDEO_ES:
i_fourcc = VLC_FOURCC(0,0,0,0); /* fixed later */
i_cat = VIDEO_ES;
i_stream_id = 0xa0;
break;
case PES_PRIVATE_ES:
/* We need to check a descriptor to find the real codec */
i_fourcc = VLC_FOURCC(0,0,0,0); /* fixed later */
i_cat = UNKNOWN_ES;
i_stream_id = 0xbd;
break;
default:
i_fourcc = 0;
i_cat = UNKNOWN_ES;
i_stream_id = 0;
}
if( p_es->i_type == MPEG4_VIDEO_ES ||
p_es->i_type == MPEG4_AUDIO_ES )
{
/* mpeg4 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_descr_index;
demux_data.i_es_id =
( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
demux_data.p_es_descr = NULL;
msg_Warn( p_input, "found SL_descriptor" );
for( i_es_descr_index = 0; i_es_descr_index < 255;
i_es_descr_index++ )
{
if( p_pgrm_demux->iod.es_descr[i_es_descr_index].b_ok &&
p_pgrm_demux->iod.es_descr[i_es_descr_index].i_es_id == demux_data.i_es_id )
{
demux_data.p_es_descr =
&p_pgrm_demux->iod.es_descr[i_es_descr_index];
break;
}
}
}
if( demux_data.p_es_descr != NULL )
{
#define DESCR demux_data.p_es_descr->dec_descr
demux_data.b_mpeg4 = 1;
/* fix fourcc */
switch( DESCR.i_streamType )
{
case 0x04: /* VisualStream */
i_cat = VIDEO_ES;
switch( DESCR.i_objectTypeIndication )
{
case 0x20:
i_fourcc = VLC_FOURCC('m','p','4','v'); // mpeg4
break;
case 0x60:
case 0x61:
case 0x62:
case 0x63:
case 0x64:
case 0x65:
i_fourcc = VLC_FOURCC( 'm','p','g','v' ); // mpeg2
break;
case 0x6a:
i_fourcc = VLC_FOURCC( 'm','p','g','v' ); // mpeg1
break;
case 0x6c:
i_fourcc = VLC_FOURCC( 'j','p','e','g' ); // mpeg1
break;
default:
i_fourcc = 0;
break;
}
break;
case 0x05: /* AudioStream */
i_cat = AUDIO_ES;
switch( DESCR.i_objectTypeIndication )
{
case 0x40:
i_fourcc = VLC_FOURCC('m','p','4','a'); // mpeg4
break;
case 0x66:
case 0x67:
case 0x68:
i_fourcc = VLC_FOURCC('m','p','4','a');// mpeg2 aac
break;
case 0x69:
i_fourcc = VLC_FOURCC('m','p','g','a'); // mpeg2
break;
case 0x6b:
i_fourcc = VLC_FOURCC('m','p','g','a'); // mpeg1
break;
default:
i_fourcc = 0;
break;
}
break;
default:
i_cat = UNKNOWN_ES;
i_fourcc = 0;
break;
}
switch( i_cat )
{
case VIDEO_ES:
i_size = sizeof( BITMAPINFOHEADER ) +
DESCR.i_decoder_specific_info_len;
p_bih = malloc( i_size );
p_bih->biSize = i_size;
p_bih->biWidth = 0;
p_bih->biHeight = 0;
p_bih->biPlanes = 1;
p_bih->biBitCount = 0;
p_bih->biCompression = 0;
p_bih->biSizeImage = 0;
p_bih->biXPelsPerMeter = 0;
p_bih->biYPelsPerMeter = 0;
p_bih->biClrUsed = 0;
p_bih->biClrImportant = 0;
memcpy( &p_bih[1],
DESCR.p_decoder_specific_info,
DESCR.i_decoder_specific_info_len );
break;
case AUDIO_ES:
i_size = sizeof( WAVEFORMATEX ) +
DESCR.i_decoder_specific_info_len;
p_wf = malloc( i_size );
p_wf->wFormatTag = 0xffff;
p_wf->nChannels = 0;
p_wf->nSamplesPerSec = 0;
p_wf->nAvgBytesPerSec = 0;
p_wf->nBlockAlign = 1;
p_wf->wBitsPerSample = 0;
p_wf->cbSize = DESCR.i_decoder_specific_info_len;
memcpy( &p_wf[1],
DESCR.p_decoder_specific_info,
DESCR.i_decoder_specific_info_len );
break;
default:
break;
}
}
else
{
msg_Warn( p_input,
"mpeg4 stream without (valid) sl_descriptor" );
demux_data.b_mpeg4 = 0;
}
}
else if( p_es->i_type == MSCODEC_VIDEO_ES )
{
/* crapy ms codec stream, search private descriptor */
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 )
{
int i_bih_size;
i_fourcc = VLC_FOURCC( p_dr->p_data[0], p_dr->p_data[1],
p_dr->p_data[2], p_dr->p_data[3] );
i_bih_size = (p_dr->p_data[8] << 8) | p_dr->p_data[9];
i_size = sizeof( BITMAPINFOHEADER ) + i_bih_size;
p_bih = malloc( i_size );
p_bih->biSize = i_size;
p_bih->biWidth = ( p_dr->p_data[4] << 8 )|p_dr->p_data[5];
p_bih->biHeight = ( p_dr->p_data[6] << 8 )|p_dr->p_data[7];
p_bih->biPlanes = 1;
p_bih->biBitCount = 0;
p_bih->biCompression = 0;
p_bih->biSizeImage = 0;
p_bih->biXPelsPerMeter = 0;
p_bih->biYPelsPerMeter = 0;
p_bih->biClrUsed = 0;
p_bih->biClrImportant = 0;
memcpy( &p_bih[1], &p_dr->p_data[10], i_bih_size );
}
else
{
msg_Warn( p_input, "private ms-codec stream without bih "
"private sl_descriptor" );
i_fourcc = 0;
i_cat = UNKNOWN_ES;
}
}
else if( p_es->i_type == PES_PRIVATE_ES )
{
dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;
/* We have to find a descriptor giving the right codec */
for(p_dr = p_es->p_first_descriptor; p_dr; p_dr = p_dr->p_next)
{
if( p_dr->i_tag == 0x6a )
{
/* A52 */
i_fourcc = VLC_FOURCC( 'a', '5', '2', ' ' );
i_cat = AUDIO_ES;
}
else if( p_dr->i_tag == 0x59 )
{
/* DVB subtitle */
i_fourcc = VLC_FOURCC( 'd', 'v', 'b', 's' );
i_cat = SPU_ES;
}
}
if( i_fourcc == VLC_FOURCC(0,0,0,0) )
{
msg_Warn( p_input,
"Unknown codec/type for Private PES stream" );
}
}
if( i_cat == AUDIO_ES || i_cat == SPU_ES )
{
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->i_code_count > 0 )
{
const iso639_lang_t * p_iso;
p_iso = GetLang_2T((char*)p_decoded->i_iso_639_code);
if( p_iso && strcmp(p_iso->psz_native_name,"Unknown"))
{
if( p_iso->psz_native_name[0] )
strncpy( psz_desc,
p_iso->psz_native_name, 20 );
else
strncpy( psz_desc,
p_iso->psz_eng_name, 20 );
}
else
{
p_iso = GetLang_2B(
(char*)p_decoded->i_iso_639_code);
if ( p_iso )
{
if( p_iso->psz_native_name[0] )
strncpy( psz_desc,
p_iso->psz_native_name, 20 );
else
strncpy( psz_desc,
p_iso->psz_eng_name, 20 );
}
else
{
strncpy( psz_desc, p_decoded->i_iso_639_code, 3 );
}
}
}
}
switch( p_es->i_type )
{
case MPEG1_AUDIO_ES:
case MPEG2_AUDIO_ES:
strcat( psz_desc, " (mpeg)" );
break;
case LPCM_AUDIO_ES:
case LPCMB_AUDIO_ES:
strcat( psz_desc, " (lpcm)" );
break;
case A52_AUDIO_ES:
case A52B_AUDIO_ES:
strcat( psz_desc, " (A52)" );
break;
case MPEG4_AUDIO_ES:
case AAC_ADTS_AUDIO_ES:
strcat( psz_desc, " (aac)" );
break;
}
}
/* Add this ES */
p_new_es = input_AddES( p_input, p_pgrm, (uint16_t)p_es->i_pid,
i_cat, psz_desc, sizeof( es_ts_data_t ) );
if( p_new_es == NULL )
{
msg_Err( p_input, "could not add ES %d", p_es->i_pid );
p_input->b_error = 1;
return;
}
p_new_es->i_fourcc = i_fourcc;
p_new_es->i_stream_id = i_stream_id;
p_new_es->p_bitmapinfoheader = (void*)p_bih;
p_new_es->p_waveformatex = (void*)p_wf;
memcpy( p_new_es->p_demux_data, &demux_data,
sizeof(es_ts_data_t) );
((es_ts_data_t *)p_new_es->p_demux_data)->i_continuity_counter =
0xFF;
p_es = p_es->p_next;
}
/* if no program is selected :*/
if( !p_input->stream.p_selected_program )
{
pgrm_descriptor_t * p_pgrm_to_select;
uint16_t i_id = (uint16_t)config_GetInt( p_input, "program" );
if( i_id != 0 ) /* if user specified a program */
{
p_pgrm_to_select = input_FindProgram( p_input, i_id );
if( p_pgrm_to_select && p_pgrm_to_select == p_pgrm )
p_input->pf_set_program( p_input, p_pgrm_to_select );
}
else
p_input->pf_set_program( p_input, p_pgrm );
}
/* if the pmt belongs to the currently selected program, we
* reselect it to update its ES */
else if( p_pgrm == p_input->stream.p_selected_program )
{
p_input->pf_set_program( p_input, p_pgrm );
}
p_pgrm_demux->i_pmt_version = p_new_pmt->i_version;
p_input->stream.b_changed = 1;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment