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Commit e4c110a0 authored by Laurent Aimar's avatar Laurent Aimar
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* demuxdump: ported to demux2.

parent d7556492
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modules/demux/demuxdump.c
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/***************************************************************************** /*****************************************************************************
* demuxdump.c : Pseudo demux module for vlc (dump raw stream) * demuxdump.c : Pseudo demux module for vlc (dump raw stream)
***************************************************************************** *****************************************************************************
* Copyright (C) 2001-2003 VideoLAN * Copyright (C) 2001-2004 VideoLAN
* $Id: demuxdump.c,v 1.12 2004/01/25 20:05:28 hartman Exp $ * $Id$
* *
* Authors: Laurent Aimar <fenrir@via.ecp.fr> * Authors: Laurent Aimar <fenrir@via.ecp.fr>
* *
...@@ -10,7 +10,7 @@ ...@@ -10,7 +10,7 @@
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
...@@ -31,17 +31,6 @@ ...@@ -31,17 +31,6 @@
#include <vlc/vlc.h> #include <vlc/vlc.h>
#include <vlc/input.h> #include <vlc/input.h>
#include <sys/types.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Activate ( vlc_object_t * );
static int Demux ( input_thread_t * );
static void Deactivate ( vlc_object_t * );
#define DUMP_BLOCKSIZE 16384
/***************************************************************************** /*****************************************************************************
* Module descriptor * Module descriptor
*****************************************************************************/ *****************************************************************************/
...@@ -49,22 +38,34 @@ static void Deactivate ( vlc_object_t * ); ...@@ -49,22 +38,34 @@ static void Deactivate ( vlc_object_t * );
#define FILE_LONGTEXT N_( \ #define FILE_LONGTEXT N_( \
"Specify a file name to which the raw stream will be dumped." ) "Specify a file name to which the raw stream will be dumped." )
static int Open( vlc_object_t * );
static void Close ( vlc_object_t * );
vlc_module_begin(); vlc_module_begin();
set_description( _("Filedump demuxer") ); set_description( _("Filedump demuxer") );
set_capability( "demux", 0 ); set_capability( "demux2", 0 );
add_file( "demuxdump-file", "stream-demux.dump", NULL, FILE_TEXT, add_file( "demuxdump-file", "stream-demux.dump", NULL, FILE_TEXT,
FILE_LONGTEXT, VLC_FALSE ); FILE_LONGTEXT, VLC_FALSE );
set_callbacks( Activate, Deactivate ); set_callbacks( Open, Close );
add_shortcut( "dump" ); add_shortcut( "dump" );
vlc_module_end(); vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux( demux_t * );
static int Control( demux_t *, int,va_list );
#define DUMP_BLOCKSIZE 16384
struct demux_sys_t struct demux_sys_t
{ {
char *psz_name; char *psz_file;
FILE *p_file; FILE *p_file;
uint64_t i_write; uint64_t i_write;
void *p_demux_data_sav; uint8_t buffer[DUMP_BLOCKSIZE];
}; };
/* /*
...@@ -72,121 +73,65 @@ struct demux_sys_t ...@@ -72,121 +73,65 @@ struct demux_sys_t
*/ */
/***************************************************************************** /*****************************************************************************
* Activate: initializes dump structures * Open: initializes dump structures
*****************************************************************************/ *****************************************************************************/
static int Activate( vlc_object_t * p_this ) static int Open( vlc_object_t * p_this )
{ {
input_thread_t *p_input = (input_thread_t *)p_this; demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_demux; demux_sys_t *p_sys;
vlc_value_t val;
char *psz_name;
/* Set the demux function */
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
/* Initialize access plug-in structures. */ /* Accept only if forced */
if( p_input->i_mtu == 0 ) if( strcasecmp( p_demux->psz_demux, "dump" ) )
{
/* Improve speed. */
p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
}
var_Create( p_input, "demuxdump-file", VLC_VAR_FILE|VLC_VAR_DOINHERIT );
var_Get( p_input, "demuxdump-file", &val );
psz_name = val.psz_string;
if( !psz_name || !*psz_name )
{
msg_Warn( p_input, "no dump file name given" );
return VLC_EGENERIC; return VLC_EGENERIC;
}
p_demux = malloc( sizeof( demux_sys_t ) ); p_demux->pf_demux = Demux;
memset( p_demux, 0, sizeof( demux_sys_t ) ); p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
if( !strcmp( psz_name, "-" ) ) p_sys->i_write = 0;
p_sys->p_file = NULL;
p_sys->psz_file = var_CreateGetString( p_demux, "demuxdump-file" );
if( *p_sys->psz_file == '\0' )
{ {
msg_Info( p_input, msg_Warn( p_demux, "no dump file name given" );
"dumping raw stream to standard output" );
p_demux->p_file = stdout;
p_demux->psz_name = psz_name;
}
else if( !( p_demux->p_file = fopen( psz_name, "wb" ) ) )
{
msg_Err( p_input,
"cannot create `%s' for writing",
psz_name );
free( p_demux );
return VLC_EGENERIC; return VLC_EGENERIC;
} }
else
{
msg_Info( p_input,
"dumping raw stream to file `%s'",
psz_name );
p_demux->psz_name = psz_name;
}
p_demux->i_write = 0; if( !strcmp( p_sys->psz_file, "-" ) )
p_demux->p_demux_data_sav = p_input->p_demux_data;
if( p_input->stream.p_selected_program != NULL )
{ {
/* workaround for dvd access */ msg_Info( p_demux, "dumping raw stream to standard output" );
msg_Warn( p_input, "demux data already initializated (by access?)" ); p_sys->p_file = stdout;
} }
else else if( ( p_sys->p_file = fopen( p_sys->psz_file, "wb" ) ) == NULL )
{ {
msg_Err( p_demux,"cannot create `%s' for writing", p_sys->psz_file );
if( input_InitStream( p_input, 0 ) == -1 ) free( p_sys );
{ return VLC_EGENERIC;
if( p_demux->p_file != stdout )
fclose( p_demux->p_file );
free( p_demux );
return VLC_EGENERIC;
}
input_AddProgram( p_input, 0, 0 );
p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.p_selected_area->i_tell = 0;
vlc_mutex_unlock( &p_input->stream.stream_lock );
} }
msg_Info( p_demux, "dumping raw stream to file `%s'", p_sys->psz_file );
p_input->p_demux_data = p_demux;
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.p_selected_program->b_is_ok = 1;
vlc_mutex_unlock( &p_input->stream.stream_lock );
return VLC_SUCCESS; return VLC_SUCCESS;
} }
/***************************************************************************** /*****************************************************************************
* Deactivate: initializes dump structures * Close:
*****************************************************************************/ *****************************************************************************/
static void Deactivate ( vlc_object_t *p_this ) static void Close( vlc_object_t *p_this )
{ {
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_demux = (demux_sys_t*)p_input->p_demux_data;
msg_Info( p_input, demux_t *p_demux = (demux_t*)p_this;
"closing %s ("I64Fd" Kbytes dumped)", demux_sys_t *p_sys = p_demux->p_sys;
p_demux->psz_name,
p_demux->i_write / 1024 );
if( p_demux->p_file ) msg_Info( p_demux ,"closing %s ("I64Fd" Kbytes dumped)", p_sys->psz_file,
{ p_sys->i_write / 1024 );
if( p_demux->p_file != stdout )
fclose( p_demux->p_file ); if( p_sys->p_file != stdout )
p_demux->p_file = NULL;
}
if( p_demux->psz_name )
{ {
free( p_demux->psz_name ); fclose( p_sys->p_file );
} }
p_input->p_demux_data = p_demux->p_demux_data_sav; free( p_sys->psz_file );
free( p_demux );
free( p_sys );
} }
/***************************************************************************** /*****************************************************************************
...@@ -194,54 +139,36 @@ static void Deactivate ( vlc_object_t *p_this ) ...@@ -194,54 +139,36 @@ static void Deactivate ( vlc_object_t *p_this )
***************************************************************************** *****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/ *****************************************************************************/
static int Demux( input_thread_t * p_input ) static int Demux( demux_t *p_demux )
{ {
demux_sys_t *p_demux = (demux_sys_t*)p_input->p_demux_data; demux_sys_t *p_sys = p_demux->p_sys;
ssize_t i_read; int i_data;
data_packet_t * p_data;
int i_write;
p_input->p_demux_data = p_demux->p_demux_data_sav; /* I'm pretty sure that stream_Peek,stream_Read( , NULL ) would be faster*/
i_read = input_SplitBuffer( p_input, &p_data, DUMP_BLOCKSIZE ); i_data = stream_Read( p_demux->s, p_sys->buffer, DUMP_BLOCKSIZE );
p_input->p_demux_data = p_demux; if ( i_data <= 0 )
return i_data;
if ( i_read <= 0 )
{
return i_read;
}
i_write = fwrite( p_data->p_payload_start, i_data = fwrite( p_sys->buffer, 1, i_data, p_sys->p_file );
1,
i_read,
p_demux->p_file );
input_DeletePacket( p_input->p_method_data, p_data );
if( i_write < 0 ) if( i_data < 0 )
{
msg_Err( p_input,
"failed to write %d bytes",
i_write );
return( -1 );
}
else
{ {
msg_Dbg( p_input, msg_Err( p_demux, "failed to write data" );
"dumped %d bytes", return -1;
i_write );
p_demux->i_write += i_write;
} }
msg_Dbg( p_demux, "dumped %d bytes", i_data );
p_sys->i_write += i_data;
if( (p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT) return 1;
| (input_ClockManageControl( p_input, }
p_input->stream.p_selected_program,
(mtime_t)0 ) == PAUSE_S) )
{
msg_Warn( p_input, "synchro reinit" );
p_input->stream.p_selected_program->i_synchro_state = SYNCHRO_OK;
}
return( 1 ); /*****************************************************************************
* Demux: reads and demuxes data packets
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
return demux2_vaControlHelper( p_demux->s, 0, -1, 0, 1, i_query, args );
} }
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