/*****************************************************************************
* input.c: input thread
*****************************************************************************
* Copyright (C) 1998-2007 the VideoLAN team
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Laurent Aimar <fenrir@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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <ctype.h>
#include <limits.h>
#include <assert.h>
#include "input_internal.h"
#include <vlc_sout.h>
#include "../stream_output/stream_output.h"
#include <vlc_interface.h>
#include <vlc_url.h>
#include <vlc_charset.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void Destructor( input_thread_t * p_input );
static int Run ( input_thread_t *p_input );
static int RunAndDestroy ( input_thread_t *p_input );
static input_thread_t * Create ( vlc_object_t *, input_item_t *,
const char *, bool, sout_instance_t * );
static int Init ( input_thread_t *p_input );
static void Error ( input_thread_t *p_input );
static void End ( input_thread_t *p_input );
static void MainLoop( input_thread_t *p_input );
static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
static void ControlReduce( input_thread_t * );
static bool Control( input_thread_t *, int, vlc_value_t );
static int UpdateFromAccess( input_thread_t * );
static int UpdateFromDemux( input_thread_t * );
static void UpdateItemLength( input_thread_t *, int64_t i_length );
static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
static input_source_t *InputSourceNew( input_thread_t *);
static int InputSourceInit( input_thread_t *, input_source_t *,
const char *, const char *psz_forced_demux );
static void InputSourceClean( input_source_t * );
/* TODO */
//static void InputGetAttachments( input_thread_t *, input_source_t * );
static void SlaveDemux( input_thread_t *p_input );
static void SlaveSeek( input_thread_t *p_input );
static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta );
static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta );
static void DemuxMeta( input_thread_t *p_input, vlc_meta_t *p_meta, demux_t *p_demux );
static void AccessMeta( input_thread_t * p_input, vlc_meta_t *p_meta );
static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
int i_new, input_attachment_t **pp_new );
/*****************************************************************************
* This function creates a new input, and returns a pointer
* to its description. On error, it returns NULL.
*
* Variables for _public_ use:
* * Get and Set:
* - state
* - rate,rate-slower, rate-faster
* - position, position-offset
* - time, time-offset
* - title,title-next,title-prev
* - chapter,chapter-next, chapter-prev
* - program, audio-es, video-es, spu-es
* - audio-delay, spu-delay
* - bookmark
* * Get only:
* - length
* - bookmarks
* - seekable (if you can seek, it doesn't say if 'bar display' has be shown
* or not, for that check position != 0.0)
* - can-pause
* * For intf callback upon changes
* - intf-change
* - rate-change for when playback rate changes
* TODO explain when Callback is called
* TODO complete this list (?)
*****************************************************************************/
static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
const char *psz_header, bool b_quick,
sout_instance_t *p_sout )
{
static const char input_name[] = "input";
input_thread_t *p_input = NULL; /* thread descriptor */
vlc_value_t val;
int i;
/* Allocate descriptor */
p_input = vlc_custom_create( p_parent, sizeof( *p_input ),
VLC_OBJECT_INPUT, input_name );
if( p_input == NULL )
return NULL;
/* Construct a nice name for the input timer */
char psz_timer_name[255];
char * psz_name = input_item_GetName( p_item );
snprintf( psz_timer_name, sizeof(psz_timer_name),
"input launching for '%s'", psz_name );
msg_Dbg( p_input, "Creating an input for '%s'", psz_name);
free( psz_name );
/* Start a timer to mesure how long it takes
* to launch an input */
stats_TimerStart( p_input, psz_timer_name,
STATS_TIMER_INPUT_LAUNCHING );
MALLOC_NULL( p_input->p, input_thread_private_t );
memset( p_input->p, 0, sizeof( input_thread_private_t ) );
/* One "randomly" selected input thread is responsible for computing
* the global stats. Check if there is already someone doing this */
if( p_input->p_libvlc->p_stats && !b_quick )
{
libvlc_priv_t *priv = libvlc_priv (p_input->p_libvlc);
vlc_mutex_lock( &p_input->p_libvlc->p_stats->lock );
if( priv->p_stats_computer == NULL )
priv->p_stats_computer = p_input;
vlc_mutex_unlock( &p_input->p_libvlc->p_stats->lock );
}
p_input->b_preparsing = b_quick;
p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
/* Init events */
vlc_event_manager_t * p_em = &p_input->p->event_manager;
vlc_event_manager_init_with_vlc_object( p_em, p_input );
vlc_event_manager_register_event_type( p_em, vlc_InputStateChanged );
vlc_event_manager_register_event_type( p_em, vlc_InputSelectedStreamChanged );
/* Init Common fields */
p_input->b_eof = false;
p_input->b_can_pace_control = true;
p_input->p->i_start = 0;
p_input->i_time = 0;
p_input->p->i_stop = 0;
p_input->p->i_run = 0;
p_input->p->i_title = 0;
p_input->p->title = NULL;
p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
p_input->i_state = INIT_S;
p_input->p->i_rate = INPUT_RATE_DEFAULT;
TAB_INIT( p_input->p->i_bookmark, p_input->p->bookmark );
TAB_INIT( p_input->p->i_attachment, p_input->p->attachment );
p_input->p->p_es_out = NULL;
p_input->p->p_sout = NULL;
p_input->p->b_out_pace_control = false;
p_input->i_pts_delay = 0;
/* Init Input fields */
vlc_gc_incref( p_item ); /* Released in Destructor() */
p_input->p->input.p_item = p_item;
p_input->p->input.p_access = NULL;
p_input->p->input.p_stream = NULL;
p_input->p->input.p_demux = NULL;
p_input->p->input.b_title_demux = false;
p_input->p->input.i_title = 0;
p_input->p->input.title = NULL;
p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
p_input->p->input.b_can_pace_control = true;
p_input->p->input.b_can_rate_control = true;
p_input->p->input.b_rescale_ts = true;
p_input->p->input.b_eof = false;
p_input->p->input.i_cr_average = 0;
vlc_mutex_lock( &p_item->lock );
if( !p_item->p_stats )
p_item->p_stats = stats_NewInputStats( p_input );
vlc_mutex_unlock( &p_item->lock );
/* No slave */
p_input->p->i_slave = 0;
p_input->p->slave = NULL;
/* Init control buffer */
vlc_mutex_init( &p_input->p->lock_control );
p_input->p->i_control = 0;
/* Parse input options */
vlc_mutex_lock( &p_item->lock );
assert( p_item->optflagc == p_item->i_options );
for( i = 0; i < p_item->i_options; i++ )
var_OptionParse( VLC_OBJECT(p_input), p_item->ppsz_options[i],
!!(p_item->optflagv[i] & VLC_INPUT_OPTION_TRUSTED) );
vlc_mutex_unlock( &p_item->lock );
/* Create Object Variables for private use only */
input_ConfigVarInit( p_input );
/* Create Objects variables for public Get and Set */
input_ControlVarInit( p_input );
p_input->p->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
if( !p_input->b_preparsing )
{
var_Get( p_input, "bookmarks", &val );
if( val.psz_string )
{
/* FIXME: have a common cfg parsing routine used by sout and others */
char *psz_parser, *psz_start, *psz_end;
psz_parser = val.psz_string;
while( (psz_start = strchr( psz_parser, '{' ) ) )
{
seekpoint_t *p_seekpoint = vlc_seekpoint_New();
char backup;
psz_start++;
psz_end = strchr( psz_start, '}' );
if( !psz_end ) break;
psz_parser = psz_end + 1;
backup = *psz_parser;
*psz_parser = 0;
*psz_end = ',';
while( (psz_end = strchr( psz_start, ',' ) ) )
{
*psz_end = 0;
if( !strncmp( psz_start, "name=", 5 ) )
{
p_seekpoint->psz_name = strdup(psz_start + 5);
}
else if( !strncmp( psz_start, "bytes=", 6 ) )
{
p_seekpoint->i_byte_offset = atoll(psz_start + 6);
}
else if( !strncmp( psz_start, "time=", 5 ) )
{
p_seekpoint->i_time_offset = atoll(psz_start + 5) *
1000000;
}
psz_start = psz_end + 1;
}
msg_Dbg( p_input, "adding bookmark: %s, bytes=%"PRId64", time=%"PRId64,
p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
p_seekpoint->i_time_offset );
input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
vlc_seekpoint_Delete( p_seekpoint );
*psz_parser = backup;
}
free( val.psz_string );
}
}
/* Remove 'Now playing' info as it is probably outdated */
input_item_SetNowPlaying( p_item, NULL );
/* */
if( p_input->b_preparsing )
p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;
/* */
if( p_sout )
p_input->p->p_sout = p_sout;
memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
vlc_mutex_init( &p_input->p->counters.counters_lock );
/* Attach only once we are ready */
vlc_object_attach( p_input, p_parent );
/* Set the destructor when we are sure we are initialized */
vlc_object_set_destructor( p_input, (vlc_destructor_t)Destructor );
return p_input;
}
/**
* Input destructor (called when the object's refcount reaches 0).
*/
static void Destructor( input_thread_t * p_input )
{
input_thread_private_t *priv = p_input->p;
#ifndef NDEBUG
char * psz_name = input_item_GetName( p_input->p->input.p_item );
msg_Dbg( p_input, "Destroying the input for '%s'", psz_name);
free( psz_name );
#endif
vlc_event_manager_fini( &p_input->p->event_manager );
stats_TimerDump( p_input, STATS_TIMER_INPUT_LAUNCHING );
stats_TimerClean( p_input, STATS_TIMER_INPUT_LAUNCHING );
#ifdef ENABLE_SOUT
if( priv->p_sout )
sout_DeleteInstance( priv->p_sout );
#endif
vlc_gc_decref( p_input->p->input.p_item );
vlc_mutex_destroy( &p_input->p->counters.counters_lock );
vlc_mutex_destroy( &priv->lock_control );
free( priv );
}
/**
* Initialize an input thread and run it. You will need to monitor the
* thread to clean up after it is done
*
* \param p_parent a vlc_object
* \param p_item an input item
* \return a pointer to the spawned input thread
*/
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
input_item_t *p_item )
{
return __input_CreateThreadExtended( p_parent, p_item, NULL, NULL );
}
/* */
input_thread_t *__input_CreateThreadExtended( vlc_object_t *p_parent,
input_item_t *p_item,
const char *psz_log, sout_instance_t *p_sout )
{
input_thread_t *p_input;
p_input = Create( p_parent, p_item, psz_log, false, p_sout );
if( !p_input )
return NULL;
/* Create thread and wait for its readiness. */
if( vlc_thread_create( p_input, "input", Run,
VLC_THREAD_PRIORITY_INPUT, true ) )
{
input_ChangeState( p_input, ERROR_S );
msg_Err( p_input, "cannot create input thread" );
vlc_object_detach( p_input );
vlc_object_release( p_input );
return NULL;
}
return p_input;
}
/**
* Initialize an input thread and run it. This thread will clean after itself,
* you can forget about it. It can work either in blocking or non-blocking mode
*
* \param p_parent a vlc_object
* \param p_item an input item
* \param b_block should we block until read is finished ?
* \return the input object id if non blocking, an error code else
*/
int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
bool b_block )
{
input_thread_t *p_input;
p_input = Create( p_parent, p_item, NULL, false, NULL );
if( !p_input )
return VLC_EGENERIC;
if( b_block )
{
RunAndDestroy( p_input );
return VLC_SUCCESS;
}
else
{
if( vlc_thread_create( p_input, "input", RunAndDestroy,
VLC_THREAD_PRIORITY_INPUT, true ) )
{
input_ChangeState( p_input, ERROR_S );
msg_Err( p_input, "cannot create input thread" );
vlc_object_release( p_input );
return VLC_EGENERIC;
}
}
return p_input->i_object_id;
}
/**
* Initialize an input and initialize it to preparse the item
* This function is blocking. It will only accept to parse files
*
* \param p_parent a vlc_object_t
* \param p_item an input item
* \return VLC_SUCCESS or an error
*/
int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
{
input_thread_t *p_input;
/* Allocate descriptor */
p_input = Create( p_parent, p_item, NULL, true, NULL );
if( !p_input )
return VLC_EGENERIC;
if( !Init( p_input ) )
End( p_input );
vlc_object_detach( p_input );
vlc_object_release( p_input );
return VLC_SUCCESS;
}
/**
* Request a running input thread to stop and die
*
* \param the input thread to stop
*/
static void ObjectKillChildrens( vlc_object_t *p_obj )
{
vlc_list_t *p_list;
int i;
vlc_object_kill( p_obj );
p_list = vlc_list_children( p_obj );
for( i = 0; i < p_list->i_count; i++ )
ObjectKillChildrens( p_list->p_values[i].p_object );
vlc_list_release( p_list );
}
void input_StopThread( input_thread_t *p_input )
{
/* Set die for input and ALL of this childrens (even (grand-)grand-childrens)
* It is needed here even if it is done in INPUT_CONTROL_SET_DIE handler to
* unlock the control loop */
ObjectKillChildrens( VLC_OBJECT(p_input) );
input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
}
sout_instance_t * input_DetachSout( input_thread_t *p_input )
{
sout_instance_t *p_sout = p_input->p->p_sout;
vlc_object_detach( p_sout );
p_input->p->p_sout = NULL;
return p_sout;
}
/*****************************************************************************
* Run: main thread loop
* This is the "normal" thread that spawns the input processing chain,
* reads the stream, cleans up and waits
*****************************************************************************/
static int Run( input_thread_t *p_input )
{
/* Signal that the thread is launched */
vlc_thread_ready( p_input );
if( Init( p_input ) )
{
/* If we failed, wait before we are killed, and exit */
p_input->b_error = true;
Error( p_input );
/* Tell we're dead */
p_input->b_dead = true;
return 0;
}
MainLoop( p_input );
if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
{
/* We have finish to demux data but not to play them */
while( !p_input->b_die )
{
if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
break;
msg_Dbg( p_input, "waiting decoder fifos to empty" );
msleep( INPUT_IDLE_SLEEP );
}
/* We have finished */
p_input->b_eof = true;
input_ChangeState( p_input, END_S );
}
/* Wait until we are asked to die */
if( !p_input->b_die )
{
Error( p_input );
}
/* Clean up */
End( p_input );
return 0;
}
/*****************************************************************************
* RunAndDestroy: main thread loop
* This is the "just forget me" thread that spawns the input processing chain,
* reads the stream, cleans up and releases memory
*****************************************************************************/
static int RunAndDestroy( input_thread_t *p_input )
{
/* Signal that the thread is launched */
vlc_thread_ready( p_input );
if( Init( p_input ) )
goto exit;
MainLoop( p_input );
if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
{
/* We have finished demuxing data but not playing it */
while( !p_input->b_die )
{
if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
break;
msg_Dbg( p_input, "waiting decoder fifos to empty" );
msleep( INPUT_IDLE_SLEEP );
}
/* We have finished */
p_input->b_eof = true;
}
/* Clean up */
End( p_input );
exit:
/* Release memory */
vlc_object_release( p_input );
return 0;
}
/*****************************************************************************
* Main loop: Fill buffers from access, and demux
*****************************************************************************/
static void MainLoop( input_thread_t *p_input )
{
int64_t i_start_mdate = mdate();
int64_t i_intf_update = 0;
int i_updates = 0;
/* Stop the timer */
stats_TimerStop( p_input, STATS_TIMER_INPUT_LAUNCHING );
while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
{
bool b_force_update = false;
int i_ret;
int i_type;
vlc_value_t val;
/* Do the read */
if( p_input->i_state != PAUSE_S )
{
if( ( p_input->p->i_stop > 0 && p_input->i_time >= p_input->p->i_stop ) ||
( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
i_ret = 0; /* EOF */
else
i_ret = p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
if( i_ret > 0 )
{
/* TODO */
if( p_input->p->input.b_title_demux &&
p_input->p->input.p_demux->info.i_update )
{
i_ret = UpdateFromDemux( p_input );
b_force_update = true;
}
else if( !p_input->p->input.b_title_demux &&
p_input->p->input.p_access &&
p_input->p->input.p_access->info.i_update )
{
i_ret = UpdateFromAccess( p_input );
b_force_update = true;
}
}
if( i_ret == 0 ) /* EOF */
{
vlc_value_t repeat;
var_Get( p_input, "input-repeat", &repeat );
if( repeat.i_int == 0 )
{
/* End of file - we do not set b_die because only the
* playlist is allowed to do so. */
msg_Dbg( p_input, "EOF reached" );
p_input->p->input.b_eof = true;
}
else
{
msg_Dbg( p_input, "repeating the same input (%d)",
repeat.i_int );
if( repeat.i_int > 0 )
{
repeat.i_int--;
var_Set( p_input, "input-repeat", repeat );
}
/* Seek to start title/seekpoint */
val.i_int = p_input->p->input.i_title_start -
p_input->p->input.i_title_offset;
if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
val.i_int = 0;
input_ControlPush( p_input,
INPUT_CONTROL_SET_TITLE, &val );
val.i_int = p_input->p->input.i_seekpoint_start -
p_input->p->input.i_seekpoint_offset;
if( val.i_int > 0 /* TODO: check upper boundary */ )
input_ControlPush( p_input,
INPUT_CONTROL_SET_SEEKPOINT, &val );
/* Seek to start position */
if( p_input->p->i_start > 0 )
{
val.i_time = p_input->p->i_start;
input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
&val );
}
else
{
val.f_float = 0.0;
input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
&val );
}
/* */
i_start_mdate = mdate();
}
}
else if( i_ret < 0 )
{
p_input->b_error = true;
}
if( i_ret > 0 && p_input->p->i_slave > 0 )
{
SlaveDemux( p_input );
}
}
else
{
/* Small wait */
msleep( 10*1000 );
}
/* Handle control */
vlc_mutex_lock( &p_input->p->lock_control );
ControlReduce( p_input );
while( !ControlPopNoLock( p_input, &i_type, &val ) )
{
msg_Dbg( p_input, "control type=%d", i_type );
if( Control( p_input, i_type, val ) )
b_force_update = true;
}
vlc_mutex_unlock( &p_input->p->lock_control );
if( b_force_update || i_intf_update < mdate() )
{
vlc_value_t val;
double f_pos;
int64_t i_time, i_length;
/* update input status variables */
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_POSITION, &f_pos ) )
{
val.f_float = (float)f_pos;
var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
}
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_TIME, &i_time ) )
{
p_input->i_time = i_time;
val.i_time = i_time;
var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
}
if( !demux_Control( p_input->p->input.p_demux,
DEMUX_GET_LENGTH, &i_length ) )
{
vlc_value_t old_val;
var_Get( p_input, "length", &old_val );
val.i_time = i_length;
var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
if( old_val.i_time != val.i_time )
{
UpdateItemLength( p_input, i_length );
}
}
var_SetBool( p_input, "intf-change", true );
i_intf_update = mdate() + INT64_C(150000);
}
/* 150ms * 8 = ~ 1 second */
if( ++i_updates % 8 == 0 )
{
stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
/* Are we the thread responsible for computing global stats ? */
if( libvlc_priv (p_input->p_libvlc)->p_stats_computer == p_input )
{
stats_ComputeGlobalStats( p_input->p_libvlc,
p_input->p_libvlc->p_stats );
}
}
}
}
static void InitStatistics( input_thread_t * p_input )
{
if( p_input->b_preparsing ) return;
/* Prepare statistics */
#define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \
stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
if( libvlc_stats (p_input) )
{
INIT_COUNTER( read_bytes, INTEGER, COUNTER );
INIT_COUNTER( read_packets, INTEGER, COUNTER );
INIT_COUNTER( demux_read, INTEGER, COUNTER );
INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
INIT_COUNTER( decoded_video, INTEGER, COUNTER );
INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
p_input->p->counters.p_sout_send_bitrate = NULL;
p_input->p->counters.p_sout_sent_packets = NULL;
p_input->p->counters.p_sout_sent_bytes = NULL;
if( p_input->p->counters.p_demux_bitrate )
p_input->p->counters.p_demux_bitrate->update_interval = 1000000;
if( p_input->p->counters.p_input_bitrate )
p_input->p->counters.p_input_bitrate->update_interval = 1000000;
}
}
#ifdef ENABLE_SOUT
static int InitSout( input_thread_t * p_input )
{
char *psz;
if( p_input->b_preparsing ) return VLC_SUCCESS;
/* Find a usable sout and attach it to p_input */
psz = var_GetNonEmptyString( p_input, "sout" );
if( psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) )
{
/* Check the validity of the provided sout */
if( p_input->p->p_sout )
{
if( strcmp( p_input->p->p_sout->psz_sout, psz ) )
{
msg_Dbg( p_input, "destroying unusable sout" );
sout_DeleteInstance( p_input->p->p_sout );
p_input->p->p_sout = NULL;
}
}
if( p_input->p->p_sout )
{
/* Reuse it */
msg_Dbg( p_input, "sout keep: reusing sout" );
msg_Dbg( p_input, "sout keep: you probably want to use "
"gather stream_out" );
vlc_object_attach( p_input->p->p_sout, p_input );
}
else
{
/* Create a new one */
p_input->p->p_sout = sout_NewInstance( p_input, psz );
if( !p_input->p->p_sout )
{
input_ChangeState( p_input, ERROR_S );
msg_Err( p_input, "cannot start stream output instance, " \
"aborting" );
free( psz );
return VLC_EGENERIC;
}
}
if( libvlc_stats (p_input) )
{
INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
if( p_input->p->counters.p_sout_send_bitrate )
p_input->p->counters.p_sout_send_bitrate->update_interval =
1000000;
}
}
else if( p_input->p->p_sout )
{
msg_Dbg( p_input, "destroying useless sout" );
sout_DeleteInstance( p_input->p->p_sout );
p_input->p->p_sout = NULL;
}
free( psz );
return VLC_SUCCESS;
}
#endif
static void InitTitle( input_thread_t * p_input )
{
vlc_value_t val;
if( p_input->b_preparsing ) return;
/* Create global title (from master) */
p_input->p->i_title = p_input->p->input.i_title;
p_input->p->title = p_input->p->input.title;
p_input->p->i_title_offset = p_input->p->input.i_title_offset;
p_input->p->i_seekpoint_offset = p_input->p->input.i_seekpoint_offset;
if( p_input->p->i_title > 0 )
{
/* Setup variables */
input_ControlVarNavigation( p_input );
input_ControlVarTitle( p_input, 0 );
}
/* Global flag */
p_input->b_can_pace_control = p_input->p->input.b_can_pace_control;
p_input->p->b_can_pause = p_input->p->input.b_can_pause;
p_input->p->b_can_rate_control = p_input->p->input.b_can_rate_control;
/* Fix pts delay */
if( p_input->i_pts_delay < 0 )
p_input->i_pts_delay = 0;
/* If the desynchronisation requested by the user is < 0, we need to
* cache more data. */
var_Get( p_input, "audio-desync", &val );
if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
/* Update cr_average depending on the caching */
p_input->p->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
p_input->p->input.i_cr_average /= 10;
if( p_input->p->input.i_cr_average < 10 ) p_input->p->input.i_cr_average = 10;
}
static void StartTitle( input_thread_t * p_input )
{
double f_fps;
vlc_value_t val;
int i, i_delay;
char *psz;
char *psz_subtitle;
int64_t i_length;
/* Start title/chapter */
if( p_input->b_preparsing )
{
p_input->p->i_start = 0;
return;
}
val.i_int = p_input->p->input.i_title_start -
p_input->p->input.i_title_offset;
if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
val.i_int = p_input->p->input.i_seekpoint_start -
p_input->p->input.i_seekpoint_offset;
if( val.i_int > 0 /* TODO: check upper boundary */ )
input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
/* Start time*/
/* Set start time */
p_input->p->i_start = INT64_C(1000000) * var_GetInteger( p_input, "start-time" );
p_input->p->i_stop = INT64_C(1000000) * var_GetInteger( p_input, "stop-time" );
p_input->p->i_run = INT64_C(1000000) * var_GetInteger( p_input, "run-time" );
i_length = var_GetTime( p_input, "length" );
if( p_input->p->i_run < 0 )
{
msg_Warn( p_input, "invalid run-time ignored" );
p_input->p->i_run = 0;
}
if( p_input->p->i_start > 0 )
{
if( p_input->p->i_start >= i_length )
{
msg_Warn( p_input, "invalid start-time ignored" );
}
else
{
vlc_value_t s;
msg_Dbg( p_input, "starting at time: %ds",
(int)( p_input->p->i_start / INT64_C(1000000) ) );
s.i_time = p_input->p->i_start;
input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
}
}
if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
{
msg_Warn( p_input, "invalid stop-time ignored" );
p_input->p->i_stop = 0;
}
/* Load subtitles */
/* Get fps and set it if not already set */
if( !demux_Control( p_input->p->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
f_fps > 1.0 )
{
float f_requested_fps;
var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
var_SetFloat( p_input, "sub-original-fps", f_fps );
f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
if( f_requested_fps != f_fps )
{
var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
VLC_VAR_DOINHERIT );
var_SetFloat( p_input, "sub-fps", f_requested_fps );
}
}
i_delay = var_CreateGetInteger( p_input, "sub-delay" );
if( i_delay != 0 )
{
var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
}
/* Look for and add subtitle files */
psz_subtitle = var_GetNonEmptyString( p_input, "sub-file" );
if( psz_subtitle != NULL )
{
msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
input_AddSubtitles( p_input, psz_subtitle, false );
}
var_Get( p_input, "sub-autodetect-file", &val );
if( val.b_bool )
{
char *psz_autopath = var_GetNonEmptyString( p_input, "sub-autodetect-path" );
char **subs = subtitles_Detect( p_input, psz_autopath,
p_input->p->input.p_item->psz_uri );
input_source_t *sub;
i = 0;
if( psz_autopath == NULL )
psz_autopath = strdup("");
/* Try to autoselect the first autodetected subtitles file
* if no subtitles file was specified */
if( ( psz_subtitle == NULL ) && subs && subs[0] )
{
input_AddSubtitles( p_input, subs[0], false );
free( subs[0] );
i = 1;
}
/* Then, just add the following subtitles files */
for( ; subs && subs[i]; i++ )
{
if( !psz_subtitle || strcmp( psz_subtitle, subs[i] ) )
{
sub = InputSourceNew( p_input );
if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
{
TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
}
else free( sub );
}
free( subs[i] );
}
free( subs );
free( psz_autopath );
}
free( psz_subtitle );
/* Look for slave */
psz = var_GetNonEmptyString( p_input, "input-slave" );
if( psz != NULL )
{
char *psz_delim;
input_source_t *slave;
while( psz && *psz )
{
while( *psz == ' ' || *psz == '#' )
{
psz++;
}
if( ( psz_delim = strchr( psz, '#' ) ) )
{
*psz_delim++ = '\0';
}
if( *psz == 0 )
{
break;
}
msg_Dbg( p_input, "adding slave input '%s'", psz );
slave = InputSourceNew( p_input );
if( !InputSourceInit( p_input, slave, psz, NULL ) )
{
TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
}
else free( slave );
psz = psz_delim;
}
free( psz );
}
}
static void InitPrograms( input_thread_t * p_input )
{
int i_es_out_mode;
vlc_value_t val;
if( p_input->b_preparsing ) return;
/* Set up es_out */
es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, true );
i_es_out_mode = ES_OUT_MODE_AUTO;
val.p_list = NULL;
if( p_input->p->p_sout )
{
var_Get( p_input, "sout-all", &val );
if ( val.b_bool )
{
i_es_out_mode = ES_OUT_MODE_ALL;
val.p_list = NULL;
}
else
{
var_Get( p_input, "programs", &val );
if ( val.p_list && val.p_list->i_count )
{
i_es_out_mode = ES_OUT_MODE_PARTIAL;
/* Note : we should remove the "program" callback. */
}
else
var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
NULL );
}
}
es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
/* Inform the demuxer about waited group (needed only for DVB) */
if( i_es_out_mode == ES_OUT_MODE_ALL )
{
demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
}
else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
{
demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
val.p_list );
}
else
{
demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
(int) var_GetInteger( p_input, "program" ), NULL );
}
}
static int Init( input_thread_t * p_input )
{
vlc_meta_t *p_meta;
vlc_value_t val;
int i, ret;
for( i = 0; i < p_input->p->input.p_item->i_options; i++ )
{
if( !strncmp( p_input->p->input.p_item->ppsz_options[i], "meta-file", 9 ) )
{
msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
var_SetString( p_input, "sout", "" );
var_SetBool( p_input, "sout-all", false );
var_SetString( p_input, "input-slave", "" );
var_SetInteger( p_input, "input-repeat", 0 );
var_SetString( p_input, "sub-file", "" );
var_SetBool( p_input, "sub-autodetect-file", false );
}
}
InitStatistics( p_input );
#ifdef ENABLE_SOUT
ret = InitSout( p_input );
if( ret != VLC_SUCCESS )
return ret; /* FIXME: goto error; should be better here */
#endif
/* Create es out */
p_input->p->p_es_out = input_EsOutNew( p_input, p_input->p->i_rate );
es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, false );
es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );
if( InputSourceInit( p_input, &p_input->p->input,
p_input->p->input.p_item->psz_uri, NULL ) )
{
goto error;
}
InitTitle( p_input );
/* Load master infos */
/* Init length */
if( !demux_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
&val.i_time ) && val.i_time > 0 )
{
var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
UpdateItemLength( p_input, val.i_time );
}
else
{
val.i_time = input_item_GetDuration( p_input->p->input.p_item );
if( val.i_time > 0 )
{ /* fallback: gets length from metadata */
var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
UpdateItemLength( p_input, val.i_time );
}
}
StartTitle( p_input );
InitPrograms( p_input );
if( !p_input->b_preparsing && p_input->p->p_sout )
{
p_input->p->b_out_pace_control = (p_input->p->p_sout->i_out_pace_nocontrol > 0);
if( p_input->b_can_pace_control && p_input->p->b_out_pace_control )
{
/* We don't want a high input priority here or we'll
* end-up sucking up all the CPU time */
vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
}
msg_Dbg( p_input, "starting in %s mode",
p_input->p->b_out_pace_control ? "async" : "sync" );
}
p_meta = vlc_meta_New();
/* Get meta data from users */
InputMetaUser( p_input, p_meta );
/* Get meta data from master input */
DemuxMeta( p_input, p_meta, p_input->p->input.p_demux );
/* Access_file does not give any meta, and there are no slave */
AccessMeta( p_input, p_meta );
InputUpdateMeta( p_input, p_meta );
if( !p_input->b_preparsing )
{
msg_Dbg( p_input, "`%s' successfully opened",
p_input->p->input.p_item->psz_uri );
}
/* initialization is complete */
input_ChangeState( p_input, PLAYING_S );
return VLC_SUCCESS;
error:
input_ChangeState( p_input, ERROR_S );
if( p_input->p->p_es_out )
input_EsOutDelete( p_input->p->p_es_out );
#ifdef ENABLE_SOUT
if( p_input->p->p_sout )
{
vlc_object_detach( p_input->p->p_sout );
sout_DeleteInstance( p_input->p->p_sout );
}
#endif
if( !p_input->b_preparsing && libvlc_stats (p_input) )
{
#define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
stats_CounterClean( p_input->p->counters.p_##c );\
p_input->p->counters.p_##c = NULL; } while(0)
EXIT_COUNTER( read_bytes );
EXIT_COUNTER( read_packets );
EXIT_COUNTER( demux_read );
EXIT_COUNTER( input_bitrate );
EXIT_COUNTER( demux_bitrate );
EXIT_COUNTER( played_abuffers );
EXIT_COUNTER( lost_abuffers );
EXIT_COUNTER( displayed_pictures );
EXIT_COUNTER( lost_pictures );
EXIT_COUNTER( decoded_audio );
EXIT_COUNTER( decoded_video );
EXIT_COUNTER( decoded_sub );
if( p_input->p->p_sout )
{
EXIT_COUNTER( sout_sent_packets );
EXIT_COUNTER (sout_sent_bytes );
EXIT_COUNTER( sout_send_bitrate );
}
#undef EXIT_COUNTER
}
/* Mark them deleted */
p_input->p->input.p_demux = NULL;
p_input->p->input.p_stream = NULL;
p_input->p->input.p_access = NULL;
p_input->p->p_es_out = NULL;
p_input->p->p_sout = NULL;
return VLC_EGENERIC;
}
/*****************************************************************************
* Error: RunThread() error loop
*****************************************************************************
* This function is called when an error occurred during thread main's loop.
*****************************************************************************/
static void Error( input_thread_t *p_input )
{
input_ChangeState( p_input, ERROR_S );
while( !p_input->b_die )
{
/* Sleep a while */
msleep( INPUT_IDLE_SLEEP );
}
}
/*****************************************************************************
* End: end the input thread
*****************************************************************************/
static void End( input_thread_t * p_input )
{
int i;
/* We are at the end */
input_ChangeState( p_input, END_S );
/* Clean control variables */
input_ControlVarStop( p_input );
/* Clean up master */
InputSourceClean( &p_input->p->input );
/* Delete slave */
for( i = 0; i < p_input->p->i_slave; i++ )
{
InputSourceClean( p_input->p->slave[i] );
free( p_input->p->slave[i] );
}
free( p_input->p->slave );
/* Unload all modules */
if( p_input->p->p_es_out )
input_EsOutDelete( p_input->p->p_es_out );
if( !p_input->b_preparsing )
{
#define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
if( libvlc_stats (p_input) )
{
libvlc_priv_t *priv = libvlc_priv (p_input->p_libvlc);
/* make sure we are up to date */
stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
if( priv->p_stats_computer == p_input )
{
stats_ComputeGlobalStats( p_input->p_libvlc,
p_input->p_libvlc->p_stats );
priv->p_stats_computer = NULL;
}
CL_CO( read_bytes );
CL_CO( read_packets );
CL_CO( demux_read );
CL_CO( input_bitrate );
CL_CO( demux_bitrate );
CL_CO( played_abuffers );
CL_CO( lost_abuffers );
CL_CO( displayed_pictures );
CL_CO( lost_pictures );
CL_CO( decoded_audio) ;
CL_CO( decoded_video );
CL_CO( decoded_sub) ;
}
/* Close optional stream output instance */
if( p_input->p->p_sout )
{
CL_CO( sout_sent_packets );
CL_CO( sout_sent_bytes );
CL_CO( sout_send_bitrate );
vlc_object_detach( p_input->p->p_sout );
}
#undef CL_CO
}
if( p_input->p->i_attachment > 0 )
{
for( i = 0; i < p_input->p->i_attachment; i++ )
vlc_input_attachment_Delete( p_input->p->attachment[i] );
TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
}
/* Tell we're dead */
p_input->b_dead = true;
}
/*****************************************************************************
* Control
*****************************************************************************/
static inline int ControlPopNoLock( input_thread_t *p_input,
int *pi_type, vlc_value_t *p_val )
{
if( p_input->p->i_control <= 0 )
{
return VLC_EGENERIC;
}
*pi_type = p_input->p->control[0].i_type;
*p_val = p_input->p->control[0].val;
p_input->p->i_control--;
if( p_input->p->i_control > 0 )
{
int i;
for( i = 0; i < p_input->p->i_control; i++ )
{
p_input->p->control[i].i_type = p_input->p->control[i+1].i_type;
p_input->p->control[i].val = p_input->p->control[i+1].val;
}
}
return VLC_SUCCESS;
}
static void ControlReduce( input_thread_t *p_input )
{
int i;
if( !p_input )
return;
for( i = 1; i < p_input->p->i_control; i++ )
{
const int i_lt = p_input->p->control[i-1].i_type;
const int i_ct = p_input->p->control[i].i_type;
/* XXX We can't merge INPUT_CONTROL_SET_ES */
/* msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->p->i_control,
i_lt, i_ct );
*/
if( i_lt == i_ct &&
( i_ct == INPUT_CONTROL_SET_STATE ||
i_ct == INPUT_CONTROL_SET_RATE ||
i_ct == INPUT_CONTROL_SET_POSITION ||
i_ct == INPUT_CONTROL_SET_TIME ||
i_ct == INPUT_CONTROL_SET_PROGRAM ||
i_ct == INPUT_CONTROL_SET_TITLE ||
i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
{
int j;
// msg_Dbg( p_input, "merged at %d", i );
/* Remove the i-1 */
for( j = i; j < p_input->p->i_control; j++ )
p_input->p->control[j-1] = p_input->p->control[j];
p_input->p->i_control--;
}
else
{
/* TODO but that's not that important
- merge SET_X with SET_X_CMD
- remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
- remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
- ?
*/
}
}
}
static bool Control( input_thread_t *p_input, int i_type,
vlc_value_t val )
{
bool b_force_update = false;
if( !p_input ) return b_force_update;
switch( i_type )
{
case INPUT_CONTROL_SET_DIE:
msg_Dbg( p_input, "control: stopping input" );
/* Mark all submodules to die */
ObjectKillChildrens( p_input );
break;
case INPUT_CONTROL_SET_POSITION:
case INPUT_CONTROL_SET_POSITION_OFFSET:
{
double f_pos;
if( i_type == INPUT_CONTROL_SET_POSITION )
{
f_pos = val.f_float;
}
else
{
/* Should not fail */
demux_Control( p_input->p->input.p_demux,
DEMUX_GET_POSITION, &f_pos );
f_pos += val.f_float;
}
if( f_pos < 0.0 ) f_pos = 0.0;
if( f_pos > 1.0 ) f_pos = 1.0;
/* Reset the decoders states and clock sync (before calling the demuxer */
input_EsOutChangePosition( p_input->p->p_es_out );
if( demux_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
f_pos ) )
{
msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
"%2.1f%% failed", f_pos * 100 );
}
else
{
if( p_input->p->i_slave > 0 )
SlaveSeek( p_input );
b_force_update = true;
}
break;
}
case INPUT_CONTROL_SET_TIME:
case INPUT_CONTROL_SET_TIME_OFFSET:
{
int64_t i_time;
int i_ret;
if( i_type == INPUT_CONTROL_SET_TIME )
{
i_time = val.i_time;
}
else
{
/* Should not fail */
demux_Control( p_input->p->input.p_demux,
DEMUX_GET_TIME, &i_time );
i_time += val.i_time;
}
if( i_time < 0 ) i_time = 0;
/* Reset the decoders states and clock sync (before calling the demuxer */
input_EsOutChangePosition( p_input->p->p_es_out );
i_ret = demux_Control( p_input->p->input.p_demux,
DEMUX_SET_TIME, i_time );
if( i_ret )
{
int64_t i_length;
/* Emulate it with a SET_POS */
demux_Control( p_input->p->input.p_demux,
DEMUX_GET_LENGTH, &i_length );
if( i_length > 0 )
{
double f_pos = (double)i_time / (double)i_length;
i_ret = demux_Control( p_input->p->input.p_demux,
DEMUX_SET_POSITION, f_pos );
}
}
if( i_ret )
{
msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) %"PRId64
" failed or not possible", i_time );
}
else
{
if( p_input->p->i_slave > 0 )
SlaveSeek( p_input );
b_force_update = true;
}
break;
}
case INPUT_CONTROL_SET_STATE:
if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
{
int i_ret;
if( p_input->p->input.p_access )
i_ret = access_Control( p_input->p->input.p_access,
ACCESS_SET_PAUSE_STATE, false );
else
i_ret = demux_Control( p_input->p->input.p_demux,
DEMUX_SET_PAUSE_STATE, false );
if( i_ret )
{
/* FIXME What to do ? */
msg_Warn( p_input, "cannot unset pause -> EOF" );
vlc_mutex_unlock( &p_input->p->lock_control );
input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
vlc_mutex_lock( &p_input->p->lock_control );
}
b_force_update = true;
/* Switch to play */
input_ChangeStateWithVarCallback( p_input, PLAYING_S, false );
/* */
if( !i_ret )
input_EsOutChangeState( p_input->p->p_es_out );
}
else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
p_input->p->b_can_pause )
{
int i_ret, state;
if( p_input->p->input.p_access )
i_ret = access_Control( p_input->p->input.p_access,
ACCESS_SET_PAUSE_STATE, true );
else
i_ret = demux_Control( p_input->p->input.p_demux,
DEMUX_SET_PAUSE_STATE, true );
b_force_update = true;
if( i_ret )
{
msg_Warn( p_input, "cannot set pause state" );
state = p_input->i_state;
}
else
{
state = PAUSE_S;
}
/* Switch to new state */
input_ChangeStateWithVarCallback( p_input, state, false );
/* */
if( !i_ret )
input_EsOutChangeState( p_input->p->p_es_out );
}
else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause )
{
b_force_update = true;
/* Correct "state" value */
input_ChangeStateWithVarCallback( p_input, p_input->i_state, false );
}
else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
{
msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
}
break;
case INPUT_CONTROL_SET_RATE:
case INPUT_CONTROL_SET_RATE_SLOWER:
case INPUT_CONTROL_SET_RATE_FASTER:
{
int i_rate;
if( i_type == INPUT_CONTROL_SET_RATE )
{
i_rate = val.i_int;
}
else
{
static const int ppi_factor[][2] = {
{1,64}, {1,32}, {1,16}, {1,8}, {1,4}, {1,3}, {1,2}, {2,3},
{1,1},
{3,2}, {2,1}, {3,1}, {4,1}, {8,1}, {16,1}, {32,1}, {64,1},
{0,0}
};
int i_error;
int i_idx;
int i;
i_error = INT_MAX;
i_idx = -1;
for( i = 0; ppi_factor[i][0] != 0; i++ )
{
const int i_test_r = INPUT_RATE_DEFAULT * ppi_factor[i][0] / ppi_factor[i][1];
const int i_test_e = abs(p_input->p->i_rate - i_test_r);
if( i_test_e < i_error )
{
i_idx = i;
i_error = i_test_e;
}
}
assert( i_idx >= 0 && ppi_factor[i_idx][0] != 0 );
if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
{
if( ppi_factor[i_idx+1][0] > 0 )
i_rate = INPUT_RATE_DEFAULT * ppi_factor[i_idx+1][0] / ppi_factor[i_idx+1][1];
else
i_rate = INPUT_RATE_MAX+1;
}
else
{
assert( i_type == INPUT_CONTROL_SET_RATE_FASTER );
if( i_idx > 0 )
i_rate = INPUT_RATE_DEFAULT * ppi_factor[i_idx-1][0] / ppi_factor[i_idx-1][1];
else
i_rate = INPUT_RATE_MIN-1;
}
}
if( i_rate < INPUT_RATE_MIN )
{
msg_Dbg( p_input, "cannot set rate faster" );
i_rate = INPUT_RATE_MIN;
}
else if( i_rate > INPUT_RATE_MAX )
{
msg_Dbg( p_input, "cannot set rate slower" );
i_rate = INPUT_RATE_MAX;
}
if( i_rate != INPUT_RATE_DEFAULT &&
( ( !p_input->b_can_pace_control && !p_input->p->b_can_rate_control ) ||
( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
{
msg_Dbg( p_input, "cannot change rate" );
i_rate = INPUT_RATE_DEFAULT;
}
if( i_rate != p_input->p->i_rate &&
!p_input->b_can_pace_control && p_input->p->b_can_rate_control )
{
int i_ret;
if( p_input->p->input.p_access )
i_ret = VLC_EGENERIC;
else
i_ret = demux_Control( p_input->p->input.p_demux,
DEMUX_SET_RATE, &i_rate );
if( i_ret )
{
msg_Warn( p_input, "ACCESS/DEMUX_SET_RATE failed" );
i_rate = p_input->p->i_rate;
}
}
/* */
if( i_rate != p_input->p->i_rate )
{
val.i_int = i_rate;
var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
var_SetBool( p_input, "rate-change", true );
p_input->p->i_rate = i_rate;
/* FIXME do we need a RESET_PCR when !p_input->p->input.b_rescale_ts ? */
if( p_input->p->input.b_rescale_ts )
input_EsOutChangeRate( p_input->p->p_es_out, i_rate );
b_force_update = true;
}
break;
}
case INPUT_CONTROL_SET_PROGRAM:
/* No need to force update, es_out does it if needed */
es_out_Control( p_input->p->p_es_out,
ES_OUT_SET_GROUP, val.i_int );
demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
NULL );
break;
case INPUT_CONTROL_SET_ES:
/* No need to force update, es_out does it if needed */
es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ES,
input_EsOutGetFromID( p_input->p->p_es_out,
val.i_int ) );
break;
case INPUT_CONTROL_SET_AUDIO_DELAY:
input_EsOutSetDelay( p_input->p->p_es_out,
AUDIO_ES, val.i_time );
var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
break;
case INPUT_CONTROL_SET_SPU_DELAY:
input_EsOutSetDelay( p_input->p->p_es_out,
SPU_ES, val.i_time );
var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
break;
case INPUT_CONTROL_SET_TITLE:
case INPUT_CONTROL_SET_TITLE_NEXT:
case INPUT_CONTROL_SET_TITLE_PREV:
if( p_input->p->input.b_title_demux &&
p_input->p->input.i_title > 0 )
{
/* TODO */
/* FIXME handle demux title */
demux_t *p_demux = p_input->p->input.p_demux;
int i_title;
if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
i_title = p_demux->info.i_title - 1;
else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
i_title = p_demux->info.i_title + 1;
else
i_title = val.i_int;
if( i_title >= 0 && i_title < p_input->p->input.i_title )
{
input_EsOutChangePosition( p_input->p->p_es_out );
demux_Control( p_demux, DEMUX_SET_TITLE, i_title );
input_ControlVarTitle( p_input, i_title );
}
}
else if( p_input->p->input.i_title > 0 )
{
access_t *p_access = p_input->p->input.p_access;
int i_title;
if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
i_title = p_access->info.i_title - 1;
else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
i_title = p_access->info.i_title + 1;
else
i_title = val.i_int;
if( i_title >= 0 && i_title < p_input->p->input.i_title )
{
input_EsOutChangePosition( p_input->p->p_es_out );
access_Control( p_access, ACCESS_SET_TITLE, i_title );
stream_AccessReset( p_input->p->input.p_stream );
}
}
break;
case INPUT_CONTROL_SET_SEEKPOINT:
case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
case INPUT_CONTROL_SET_SEEKPOINT_PREV:
if( p_input->p->input.b_title_demux &&
p_input->p->input.i_title > 0 )
{
demux_t *p_demux = p_input->p->input.p_demux;
int i_seekpoint;
int64_t i_input_time;
int64_t i_seekpoint_time;
if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
{
i_seekpoint = p_demux->info.i_seekpoint;
i_seekpoint_time = p_input->p->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
if( i_seekpoint_time >= 0 &&
!demux_Control( p_demux,
DEMUX_GET_TIME, &i_input_time ) )
{
if ( i_input_time < i_seekpoint_time + 3000000 )
i_seekpoint--;
}
else
i_seekpoint--;
}
else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
i_seekpoint = p_demux->info.i_seekpoint + 1;
else
i_seekpoint = val.i_int;
if( i_seekpoint >= 0 && i_seekpoint <
p_input->p->input.title[p_demux->info.i_title]->i_seekpoint )
{
input_EsOutChangePosition( p_input->p->p_es_out );
demux_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
}
}
else if( p_input->p->input.i_title > 0 )
{
demux_t *p_demux = p_input->p->input.p_demux;
access_t *p_access = p_input->p->input.p_access;
int i_seekpoint;
int64_t i_input_time;
int64_t i_seekpoint_time;
if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
{
i_seekpoint = p_access->info.i_seekpoint;
i_seekpoint_time = p_input->p->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
if( i_seekpoint_time >= 0 &&
demux_Control( p_demux,
DEMUX_GET_TIME, &i_input_time ) )
{
if ( i_input_time < i_seekpoint_time + 3000000 )
i_seekpoint--;
}
else
i_seekpoint--;
}
else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
i_seekpoint = p_access->info.i_seekpoint + 1;
else
i_seekpoint = val.i_int;
if( i_seekpoint >= 0 && i_seekpoint <
p_input->p->input.title[p_access->info.i_title]->i_seekpoint )
{
input_EsOutChangePosition( p_input->p->p_es_out );
access_Control( p_access, ACCESS_SET_SEEKPOINT,
i_seekpoint );
stream_AccessReset( p_input->p->input.p_stream );
}
}
break;
case INPUT_CONTROL_ADD_SLAVE:
if( val.psz_string )
{
input_source_t *slave = InputSourceNew( p_input );
if( !InputSourceInit( p_input, slave, val.psz_string, NULL ) )
{
vlc_meta_t *p_meta;
int64_t i_time;
/* Add the slave */
msg_Dbg( p_input, "adding %s as slave on the fly",
val.psz_string );
/* Set position */
if( demux_Control( p_input->p->input.p_demux,
DEMUX_GET_TIME, &i_time ) )
{
msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
InputSourceClean( slave );
free( slave );
break;
}
if( demux_Control( slave->p_demux,
DEMUX_SET_TIME, i_time ) )
{
msg_Err( p_input, "seek failed for new slave" );
InputSourceClean( slave );
free( slave );
break;
}
/* Get meta (access and demux) */
p_meta = vlc_meta_New();
access_Control( slave->p_access, ACCESS_GET_META,
p_meta );
demux_Control( slave->p_demux, DEMUX_GET_META, p_meta );
InputUpdateMeta( p_input, p_meta );
TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
}
else
{
free( slave );
msg_Warn( p_input, "failed to add %s as slave",
val.psz_string );
}
free( val.psz_string );
}
break;
case INPUT_CONTROL_SET_BOOKMARK:
default:
msg_Err( p_input, "not yet implemented" );
break;
}
return b_force_update;
}
/*****************************************************************************
* UpdateFromDemux:
*****************************************************************************/
static int UpdateFromDemux( input_thread_t *p_input )
{
demux_t *p_demux = p_input->p->input.p_demux;
vlc_value_t v;
if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
{
v.i_int = p_demux->info.i_title;
var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
input_ControlVarTitle( p_input, p_demux->info.i_title );
p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
}
if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
{
v.i_int = p_demux->info.i_seekpoint;
var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
}
p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
/* Hmmm only works with master input */
if( p_input->p->input.p_demux == p_demux )
{
int i_title_end = p_input->p->input.i_title_end -
p_input->p->input.i_title_offset;
int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
p_input->p->input.i_seekpoint_offset;
if( i_title_end >= 0 && i_seekpoint_end >= 0 )
{
if( p_demux->info.i_title > i_title_end ||
( p_demux->info.i_title == i_title_end &&
p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
}
else if( i_seekpoint_end >=0 )
{
if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
}
else if( i_title_end >= 0 )
{
if( p_demux->info.i_title > i_title_end ) return 0;
}
}
return 1;
}
/*****************************************************************************
* UpdateFromAccess:
*****************************************************************************/
static int UpdateFromAccess( input_thread_t *p_input )
{
access_t *p_access = p_input->p->input.p_access;
vlc_value_t v;
if( p_access->info.i_update & INPUT_UPDATE_TITLE )
{
v.i_int = p_access->info.i_title;
var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
input_ControlVarTitle( p_input, p_access->info.i_title );
stream_AccessUpdate( p_input->p->input.p_stream );
p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
}
if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
{
v.i_int = p_access->info.i_seekpoint;
var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
}
if( p_access->info.i_update & INPUT_UPDATE_META )
{
/* TODO maybe multi - access ? */
vlc_meta_t *p_meta = vlc_meta_New();
access_Control( p_input->p->input.p_access,ACCESS_GET_META, p_meta );
InputUpdateMeta( p_input, p_meta );
p_access->info.i_update &= ~INPUT_UPDATE_META;
}
p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
/* Hmmm only works with master input */
if( p_input->p->input.p_access == p_access )
{
int i_title_end = p_input->p->input.i_title_end -
p_input->p->input.i_title_offset;
int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
p_input->p->input.i_seekpoint_offset;
if( i_title_end >= 0 && i_seekpoint_end >=0 )
{
if( p_access->info.i_title > i_title_end ||
( p_access->info.i_title == i_title_end &&
p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
}
else if( i_seekpoint_end >=0 )
{
if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
}
else if( i_title_end >= 0 )
{
if( p_access->info.i_title > i_title_end ) return 0;
}
}
return 1;
}
/*****************************************************************************
* UpdateItemLength:
*****************************************************************************/
static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
{
input_item_SetDuration( p_input->p->input.p_item, (mtime_t) i_length );
}
/*****************************************************************************
* InputSourceNew:
*****************************************************************************/
static input_source_t *InputSourceNew( input_thread_t *p_input )
{
input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
if( in )
memset( in, 0, sizeof( input_source_t ) );
return in;
}
/*****************************************************************************
* InputSourceInit:
*****************************************************************************/
static int InputSourceInit( input_thread_t *p_input,
input_source_t *in, const char *psz_mrl,
const char *psz_forced_demux )
{
char psz_dup[strlen (psz_mrl) + 1];
const char *psz_access;
const char *psz_demux;
char *psz_path;
char *psz_tmp;
char *psz;
vlc_value_t val;
double f_fps;
strcpy( psz_dup, psz_mrl );
if( !in ) return VLC_EGENERIC;
if( !p_input ) return VLC_EGENERIC;
/* Split uri */
MRLSplit( psz_dup, &psz_access, &psz_demux, &psz_path );
msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
psz_mrl, psz_access, psz_demux, psz_path );
if( !p_input->b_preparsing )
{
/* Hack to allow udp://@:port syntax */
if( !psz_access ||
(strncmp( psz_access, "udp", 3 ) &&
strncmp( psz_access, "rtp", 3 )) )
{
/* Find optional titles and seekpoints */
MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
&in->i_seekpoint_start, &in->i_seekpoint_end );
}
if( psz_forced_demux && *psz_forced_demux )
{
psz_demux = psz_forced_demux;
}
else if( *psz_demux == '\0' )
{
/* special hack for forcing a demuxer with --demux=module
* (and do nothing with a list) */
char *psz_var_demux = var_GetNonEmptyString( p_input, "demux" );
if( psz_var_demux != NULL &&
!strchr(psz_var_demux, ',' ) &&
!strchr(psz_var_demux, ':' ) )
{
psz_demux = psz_var_demux;
msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
}
}
/* Try access_demux if no demux given */
if( *psz_demux == '\0' )
{
in->p_demux = demux_New( p_input, psz_access, psz_demux, psz_path,
NULL, p_input->p->p_es_out, false );
}
}
else
{
/* Preparsing is only for file:// */
if( *psz_demux )
goto error;
if( !*psz_access ) /* path without scheme:// */
psz_access = "file";
if( strcmp( psz_access, "file" ) )
goto error;
msg_Dbg( p_input, "trying to pre-parse %s", psz_path );
}
if( in->p_demux )
{
int64_t i_pts_delay;
/* Get infos from access_demux */
demux_Control( in->p_demux,
DEMUX_GET_PTS_DELAY, &i_pts_delay );
p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
in->b_title_demux = true;
if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
&in->title, &in->i_title,
&in->i_title_offset, &in->i_seekpoint_offset ) )
{
in->i_title = 0;
in->title = NULL;
}
if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
&in->b_can_pace_control ) )
in->b_can_pace_control = false;
if( !in->b_can_pace_control )
{
if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_RATE,
&in->b_can_rate_control, &in->b_rescale_ts ) )
{
in->b_can_rate_control = false;
in->b_rescale_ts = true; /* not used */
}
}
else
{
in->b_can_rate_control = true;
in->b_rescale_ts = true;
}
if( demux_Control( in->p_demux, DEMUX_CAN_PAUSE,
&in->b_can_pause ) )
in->b_can_pause = false;
var_SetBool( p_input, "can-pause", in->b_can_pause );
int ret = demux_Control( in->p_demux, DEMUX_CAN_SEEK,
&val.b_bool );
if( ret != VLC_SUCCESS )
val.b_bool = false;
var_Set( p_input, "seekable", val );
}
else
{
int64_t i_pts_delay;
input_ChangeState( p_input, OPENING_S );
/* Now try a real access */
in->p_access = access_New( p_input, psz_access, psz_demux, psz_path );
/* Access failed, URL encoded ? */
if( in->p_access == NULL && strchr( psz_path, '%' ) )
{
decode_URI( psz_path );
msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
psz_access, psz_demux, psz_path );
in->p_access = access_New( p_input,
psz_access, psz_demux, psz_path );
}
if( in->p_access == NULL )
{
msg_Err( p_input, "open of `%s' failed: %s", psz_mrl,
msg_StackMsg() );
intf_UserFatal( VLC_OBJECT( p_input), false,
_("Your input can't be opened"),
_("VLC is unable to open the MRL '%s'."
" Check the log for details."), psz_mrl );
goto error;
}
/* */
psz_tmp = psz = var_GetNonEmptyString( p_input, "access-filter" );
while( psz && *psz )
{
access_t *p_access = in->p_access;
char *end = strchr( psz, ':' );
if( end )
*end++ = '\0';
in->p_access = access_FilterNew( in->p_access, psz );
if( in->p_access == NULL )
{
in->p_access = p_access;
msg_Warn( p_input, "failed to insert access filter %s",
psz );
}
psz = end;
}
free( psz_tmp );
/* Get infos from access */
if( !p_input->b_preparsing )
{
access_Control( in->p_access,
ACCESS_GET_PTS_DELAY, &i_pts_delay );
p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
in->b_title_demux = false;
if( access_Control( in->p_access, ACCESS_GET_TITLE_INFO,
&in->title, &in->i_title,
&in->i_title_offset, &in->i_seekpoint_offset ) )
{
in->i_title = 0;
in->title = NULL;
}
access_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
&in->b_can_pace_control );
in->b_can_rate_control = in->b_can_pace_control;
in->b_rescale_ts = true;
access_Control( in->p_access, ACCESS_CAN_PAUSE,
&in->b_can_pause );
var_SetBool( p_input, "can-pause", in->b_can_pause );
access_Control( in->p_access, ACCESS_CAN_SEEK,
&val.b_bool );
var_Set( p_input, "seekable", val );
}
input_ChangeState( p_input, BUFFERING_S );
/* Create the stream_t */
in->p_stream = stream_AccessNew( in->p_access, p_input->b_preparsing );
if( in->p_stream == NULL )
{
msg_Warn( p_input, "cannot create a stream_t from access" );
goto error;
}
/* Open a demuxer */
if( *psz_demux == '\0' && *in->p_access->psz_demux )
{
psz_demux = in->p_access->psz_demux;
}
{
/* Take access redirections into account */
char *psz_real_path;
char *psz_buf = NULL;
if( in->p_access->psz_path )
{
const char *psz_a, *psz_d;
psz_buf = strdup( in->p_access->psz_path );
MRLSplit( psz_buf, &psz_a, &psz_d, &psz_real_path );
}
else
{
psz_real_path = psz_path;
}
in->p_demux = demux_New( p_input, psz_access, psz_demux,
psz_real_path,
in->p_stream, p_input->p->p_es_out,
p_input->b_preparsing );
free( psz_buf );
}
if( in->p_demux == NULL )
{
msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
psz_access, psz_demux, psz_path );
intf_UserFatal( VLC_OBJECT( p_input ), false,
_("VLC can't recognize the input's format"),
_("The format of '%s' cannot be detected. "
"Have a look the log for details."), psz_mrl );
goto error;
}
/* Get title from demux */
if( !p_input->b_preparsing && in->i_title <= 0 )
{
if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
&in->title, &in->i_title,
&in->i_title_offset, &in->i_seekpoint_offset ))
{
TAB_INIT( in->i_title, in->title );
}
else
{
in->b_title_demux = true;
}
}
}
/* get attachment
* FIXME improve for b_preparsing: move it after GET_META and check psz_arturl */
if( 1 || !p_input->b_preparsing )
{
int i_attachment;
input_attachment_t **attachment;
if( !demux_Control( in->p_demux, DEMUX_GET_ATTACHMENTS,
&attachment, &i_attachment ) )
{
vlc_mutex_lock( &p_input->p->input.p_item->lock );
AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment,
i_attachment, attachment );
vlc_mutex_unlock( &p_input->p->input.p_item->lock );
}
}
if( !demux_Control( in->p_demux, DEMUX_GET_FPS, &f_fps ) )
{
vlc_mutex_lock( &p_input->p->input.p_item->lock );
in->f_fps = f_fps;
vlc_mutex_unlock( &p_input->p->input.p_item->lock );
}
if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
return VLC_SUCCESS;
error:
input_ChangeState( p_input, ERROR_S );
if( in->p_demux )
demux_Delete( in->p_demux );
if( in->p_stream )
stream_Delete( in->p_stream );
if( in->p_access )
access_Delete( in->p_access );
return VLC_EGENERIC;
}
/*****************************************************************************
* InputSourceClean:
*****************************************************************************/
static void InputSourceClean( input_source_t *in )
{
int i;
if( in->p_demux )
demux_Delete( in->p_demux );
if( in->p_stream )
stream_Delete( in->p_stream );
if( in->p_access )
access_Delete( in->p_access );
if( in->i_title > 0 )
{
for( i = 0; i < in->i_title; i++ )
vlc_input_title_Delete( in->title[i] );
TAB_CLEAN( in->i_title, in->title );
}
}
static void SlaveDemux( input_thread_t *p_input )
{
int64_t i_time;
int i;
if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
{
msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
return;
}
for( i = 0; i < p_input->p->i_slave; i++ )
{
input_source_t *in = p_input->p->slave[i];
int i_ret = 1;
if( in->b_eof )
continue;
if( demux_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
{
for( ;; )
{
int64_t i_stime;
if( demux_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
{
msg_Err( p_input, "slave[%d] doesn't like "
"DEMUX_GET_TIME -> EOF", i );
i_ret = 0;
break;
}
if( i_stime >= i_time )
break;
if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
break;
}
}
else
{
i_ret = in->p_demux->pf_demux( in->p_demux );
}
if( i_ret <= 0 )
{
msg_Dbg( p_input, "slave %d EOF", i );
in->b_eof = true;
}
}
}
static void SlaveSeek( input_thread_t *p_input )
{
int64_t i_time;
int i;
if( !p_input ) return;
if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
{
msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
return;
}
for( i = 0; i < p_input->p->i_slave; i++ )
{
input_source_t *in = p_input->p->slave[i];
if( demux_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
{
msg_Err( p_input, "seek failed for slave %d -> EOF", i );
in->b_eof = true;
}
}
}
/*****************************************************************************
* InputMetaUser:
*****************************************************************************/
static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta )
{
vlc_value_t val;
if( !p_meta ) return;
/* Get meta information from user */
#define GET_META( field, s ) \
var_Get( p_input, (s), &val ); \
if( *val.psz_string ) \
vlc_meta_Set( p_meta, vlc_meta_ ## field, val.psz_string ); \
free( val.psz_string )
GET_META( Title, "meta-title" );
GET_META( Artist, "meta-artist" );
GET_META( Genre, "meta-genre" );
GET_META( Copyright, "meta-copyright" );
GET_META( Description, "meta-description" );
GET_META( Date, "meta-date" );
GET_META( URL, "meta-url" );
#undef GET_META
}
/*****************************************************************************
* InputUpdateMeta: merge p_item meta data with p_meta taking care of
* arturl and locking issue.
*****************************************************************************/
static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta )
{
input_item_t *p_item = p_input->p->input.p_item;
char * psz_arturl = NULL;
char *psz_title = NULL;
int i_arturl_event = false;
if( !p_meta )
return;
psz_arturl = input_item_GetArtURL( p_item );
vlc_mutex_lock( &p_item->lock );
if( vlc_meta_Get( p_meta, vlc_meta_Title ) && !p_item->b_fixed_name )
psz_title = strdup( vlc_meta_Get( p_meta, vlc_meta_Title ) );
vlc_meta_Merge( p_item->p_meta, p_meta );
if( psz_arturl && *psz_arturl )
{
vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, psz_arturl );
i_arturl_event = true;
}
vlc_meta_Delete( p_meta );
if( psz_arturl && !strncmp( psz_arturl, "attachment://", strlen("attachment") ) )
{
/* Don't look for art cover if sout
* XXX It can change when sout has meta data support */
if( p_input->p->p_sout && !p_input->b_preparsing )
{
vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, "" );
i_arturl_event = true;
}
else
input_ExtractAttachmentAndCacheArt( p_input );
}
free( psz_arturl );
/* A bit ugly */
p_meta = NULL;
if( vlc_dictionary_keys_count( &p_item->p_meta->extra_tags ) > 0 )
{
p_meta = vlc_meta_New();
vlc_meta_Merge( p_meta, input_item_GetMetaObject( p_item ) );
}
vlc_mutex_unlock( &p_item->lock );
input_item_SetPreparsed( p_item, true );
if( i_arturl_event == true )
{
vlc_event_t event;
/* Notify interested third parties */
event.type = vlc_InputItemMetaChanged;
event.u.input_item_meta_changed.meta_type = vlc_meta_ArtworkURL;
vlc_event_send( &p_item->event_manager, &event );
}
if( psz_title )
{
input_Control( p_input, INPUT_SET_NAME, psz_title );
free( psz_title );
}
/** \todo handle sout meta */
}
static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
int i_new, input_attachment_t **pp_new )
{
int i_attachment = *pi_attachment;
input_attachment_t **attachment = *ppp_attachment;
int i;
attachment = realloc( attachment,
sizeof(input_attachment_t**) * ( i_attachment + i_new ) );
for( i = 0; i < i_new; i++ )
attachment[i_attachment++] = pp_new[i];
free( pp_new );
/* */
*pi_attachment = i_attachment;
*ppp_attachment = attachment;
}
static void AccessMeta( input_thread_t * p_input, vlc_meta_t *p_meta )
{
int i;
if( p_input->b_preparsing )
return;
if( p_input->p->input.p_access )
access_Control( p_input->p->input.p_access, ACCESS_GET_META,
p_meta );
/* Get meta data from slave input */
for( i = 0; i < p_input->p->i_slave; i++ )
{
DemuxMeta( p_input, p_meta, p_input->p->slave[i]->p_demux );
if( p_input->p->slave[i]->p_access )
{
access_Control( p_input->p->slave[i]->p_access,
ACCESS_GET_META, p_meta );
}
}
}
static void DemuxMeta( input_thread_t *p_input, vlc_meta_t *p_meta, demux_t *p_demux )
{
bool b_bool;
module_t *p_id3;
#if 0
/* XXX I am not sure it is a great idea, besides, there is more than that
* if we want to do it right */
vlc_mutex_lock( &p_item->lock );
if( p_item->p_meta && (p_item->p_meta->i_status & ITEM_PREPARSED ) )
{
vlc_mutex_unlock( &p_item->lock );
return;
}
vlc_mutex_unlock( &p_item->lock );
#endif
demux_Control( p_demux, DEMUX_GET_META, p_meta );
if( demux_Control( p_demux, DEMUX_HAS_UNSUPPORTED_META, &b_bool ) )
return;
if( !b_bool )
return;
p_demux->p_private = malloc( sizeof( demux_meta_t ) );
if(! p_demux->p_private )
return;
p_id3 = module_Need( p_demux, "meta reader", NULL, 0 );
if( p_id3 )
{
demux_meta_t *p_demux_meta = (demux_meta_t *)p_demux->p_private;
if( p_demux_meta->p_meta )
{
vlc_meta_Merge( p_meta, p_demux_meta->p_meta );
vlc_meta_Delete( p_demux_meta->p_meta );
}
if( p_demux_meta->i_attachments > 0 )
{
vlc_mutex_lock( &p_input->p->input.p_item->lock );
AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment,
p_demux_meta->i_attachments, p_demux_meta->attachments );
vlc_mutex_unlock( &p_input->p->input.p_item->lock );
}
module_Unneed( p_demux, p_id3 );
}
free( p_demux->p_private );
}
/*****************************************************************************
* MRLSplit: parse the access, demux and url part of the
* Media Resource Locator.
*****************************************************************************/
void MRLSplit( char *psz_dup, const char **ppsz_access, const char **ppsz_demux,
char **ppsz_path )
{
char *psz_access = NULL;
char *psz_demux = NULL;
char *psz_path;
/* Either there is an access/demux specification before ://
* or we have a plain local file path. */
psz_path = strstr( psz_dup, "://" );
if( psz_path != NULL )
{
*psz_path = '\0';
psz_path += 3; /* skips "://" */
/* Separate access from demux (<access>/<demux>://<path>) */
psz_access = psz_dup;
psz_demux = strchr( psz_access, '/' );
if( psz_demux )
*psz_demux++ = '\0';
/* We really don't want module name substitution here! */
if( psz_access[0] == '$' )
psz_access++;
if( psz_demux && psz_demux[0] == '$' )
psz_demux++;
}
else
{
psz_path = psz_dup;
}
*ppsz_access = psz_access ? psz_access : "";
*ppsz_demux = psz_demux ? psz_demux : "";
*ppsz_path = psz_path ? psz_path : "";
}
/*****************************************************************************
* MRLSections: parse title and seekpoint info from the Media Resource Locator.
*
* Syntax:
* [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
*****************************************************************************/
static void MRLSections( input_thread_t *p_input, char *psz_source,
int *pi_title_start, int *pi_title_end,
int *pi_chapter_start, int *pi_chapter_end )
{
char *psz, *psz_end, *psz_next, *psz_check;
*pi_title_start = *pi_title_end = -1;
*pi_chapter_start = *pi_chapter_end = -1;
/* Start by parsing titles and chapters */
if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
/* Check we are really dealing with a title/chapter section */
psz_check = psz + 1;
if( !*psz_check ) return;
if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
if( *psz_check == ':' && ++psz_check )
if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
if( *psz_check != '-' && *psz_check ) return;
if( *psz_check == '-' && ++psz_check )
if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
if( *psz_check != ':' && *psz_check ) return;
if( *psz_check == ':' && ++psz_check )
if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
if( *psz_check ) return;
/* Separate start and end */
*psz++ = 0;
if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
/* Look for the start title */
*pi_title_start = strtol( psz, &psz_next, 0 );
if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
*pi_title_end = *pi_title_start;
psz = psz_next;
/* Look for the start chapter */
if( *psz ) psz++;
*pi_chapter_start = strtol( psz, &psz_next, 0 );
if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
*pi_chapter_end = *pi_chapter_start;
if( psz_end )
{
/* Look for the end title */
*pi_title_end = strtol( psz_end, &psz_next, 0 );
if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
psz_end = psz_next;
/* Look for the end chapter */
if( *psz_end ) psz_end++;
*pi_chapter_end = strtol( psz_end, &psz_next, 0 );
if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
}
msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
psz_source, *pi_title_start, *pi_chapter_start,
*pi_title_end, *pi_chapter_end );
}
/*****************************************************************************
* input_AddSubtitles: add a subtitles file and enable it
*****************************************************************************/
bool input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle,
bool b_check_extension )
{
input_source_t *sub;
vlc_value_t count;
vlc_value_t list;
char *psz_path, *psz_extension;
if( b_check_extension && !subtitles_Filter( psz_subtitle ) )
{
return false;
}
/* if we are provided a subtitle.sub file,
* see if we don't have a subtitle.idx and use it instead */
psz_path = strdup( psz_subtitle );
if( psz_path )
{
psz_extension = strrchr( psz_path, '.');
if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
{
FILE *f;
strcpy( psz_extension, ".idx" );
/* FIXME: a portable wrapper for stat() or access() would be more suited */
if( ( f = utf8_fopen( psz_path, "rt" ) ) )
{
fclose( f );
msg_Dbg( p_input, "using %s subtitles file instead of %s",
psz_path, psz_subtitle );
strcpy( psz_subtitle, psz_path );
}
}
free( psz_path );
}
var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
sub = InputSourceNew( p_input );
if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
{
TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
/* Select the ES */
if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
{
if( count.i_int == 0 )
count.i_int++;
/* if it was first one, there is disable too */
if( count.i_int < list.p_list->i_count )
{
input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
&list.p_list->p_values[count.i_int] );
}
var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
}
}
else free( sub );
return true;
}
/*****************************************************************************
* input_get_event_manager
*****************************************************************************/
vlc_event_manager_t *
input_get_event_manager( input_thread_t *p_input )
{
return &p_input->p->event_manager;
}