/***************************************************************************** * input.c: input thread ***************************************************************************** * Copyright (C) 1998-2004 the VideoLAN team * $Id$ * * Authors: Christophe Massiot * Laurent Aimar * * 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 *****************************************************************************/ #include #include #include #include "input_internal.h" #include #include "../stream_output/stream_output.h" #include #include #include #include #ifdef HAVE_SYS_STAT_H # include #endif /***************************************************************************** * Local prototypes *****************************************************************************/ static int Run ( input_thread_t *p_input ); static int RunAndClean ( input_thread_t *p_input ); static input_thread_t * Create ( vlc_object_t *, input_item_t *, char *, vlc_bool_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 vlc_bool_t Control( input_thread_t *, int, vlc_value_t ); static int UpdateFromAccess( input_thread_t * ); static int UpdateFromDemux( input_thread_t * ); static int UpdateMeta( 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_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 ); /***************************************************************************** * 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) * * For intf callback upon changes * - intf-change * 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, char *psz_header, vlc_bool_t b_quick ) { input_thread_t *p_input = NULL; /* thread descriptor */ vlc_value_t val; int i; /* Allocate descriptor */ p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT ); if( p_input == NULL ) { msg_Err( p_parent, "out of memory" ); return NULL; } MALLOC_NULL( p_input->p, 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_playlist->p_stats && !b_quick ) { vlc_mutex_lock( &p_input->p_libvlc->p_playlist->p_stats->lock ); if( p_input->p_libvlc->p_playlist->p_stats_computer == NULL ) { p_input->p_libvlc->p_playlist->p_stats_computer = p_input; } vlc_mutex_unlock( &p_input->p_libvlc->p_playlist->p_stats->lock ); } p_input->b_preparsing = b_quick; p_input->psz_header = psz_header ? strdup( psz_header ) : NULL; /* Init Common fields */ p_input->b_eof = VLC_FALSE; p_input->p->b_can_pace_control = VLC_TRUE; p_input->p->i_start = 0; p_input->i_time = 0; p_input->p->i_stop = 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; p_input->p->i_bookmark = 0; p_input->p->bookmark = NULL; p_input->p->p_meta = NULL; p_input->p->p_es_out = NULL; p_input->p->p_sout = NULL; p_input->p->b_out_pace_control = VLC_FALSE; p_input->i_pts_delay = 0; /* Init Input fields */ 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 = VLC_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 = VLC_TRUE; p_input->p->input.b_eof = VLC_FALSE; p_input->p->input.i_cr_average = 0; if( !p_input->p->input.p_item->p_meta ) p_input->p->input.p_item->p_meta = vlc_meta_New(); if( !p_item->p_stats ) { p_item->p_stats = (input_stats_t*)malloc( sizeof( input_stats_t ) ); vlc_mutex_init( p_input, &p_item->p_stats->lock ); stats_ReinitInputStats( p_item->p_stats ); } /* No slave */ p_input->p->i_slave = 0; p_input->p->slave = NULL; /* Init control buffer */ vlc_mutex_init( p_input, &p_input->p->lock_control ); p_input->p->i_control = 0; /* Parse input options */ vlc_mutex_lock( &p_item->lock ); for( i = 0; i < p_item->i_options; i++ ) { var_OptionParse( p_input, p_item->ppsz_options[i] ); } 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 = 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="I64Fd", time="I64Fd, 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_Control( p_input, INPUT_DEL_INFO, _(VLC_META_INFO_CAT), VLC_META_NOW_PLAYING ); /* ? Don't translate as it might has been copied ? */ return p_input; } /** * 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_CreateThread2( p_parent, p_item, NULL ); } /* Gruik ! */ input_thread_t *__input_CreateThread2( vlc_object_t *p_parent, input_item_t *p_item, char *psz_header ) { input_thread_t *p_input = NULL; /* thread descriptor */ p_input = Create( p_parent, p_item, psz_header, VLC_FALSE ); if( !p_input ) return NULL; /* Now we can attach our new input */ vlc_object_attach( p_input, p_parent ); /* Create thread and wait for its readiness. */ if( vlc_thread_create( p_input, "input", Run, VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) ) { input_ChangeState( p_input, ERROR_S ); msg_Err( p_input, "cannot create input thread" ); vlc_object_detach( p_input ); vlc_object_destroy( p_input ); return NULL; } return p_input; } /** * Initialize an input thread and run it. This thread will clean after himself, * 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, vlc_bool_t b_block ) { input_thread_t *p_input = NULL; /* thread descriptor */ p_input = Create( p_parent, p_item, NULL, VLC_FALSE ); if( !p_input ) return VLC_EGENERIC; /* Now we can attach our new input */ vlc_object_attach( p_input, p_parent ); if( b_block ) { RunAndClean( p_input ); return VLC_SUCCESS; } else { if( vlc_thread_create( p_input, "input", RunAndClean, VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) ) { input_ChangeState( p_input, ERROR_S ); msg_Err( p_input, "cannot create input thread" ); vlc_object_detach( p_input ); vlc_object_destroy( 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 = NULL; /* thread descriptor */ /* Allocate descriptor */ p_input = Create( p_parent, p_item, NULL, VLC_TRUE ); if( !p_input ) return VLC_EGENERIC; p_input->i_flags |= OBJECT_FLAGS_QUIET; p_input->i_flags |= OBJECT_FLAGS_NOINTERACT; /* Now we can attach our new input */ vlc_object_attach( p_input, p_parent ); Init( p_input ); /* Clean up master */ InputSourceClean( p_input, &p_input->p->input ); /* Unload all modules */ if( p_input->p->p_es_out ) input_EsOutDelete( p_input->p->p_es_out ); vlc_object_detach( p_input ); vlc_object_destroy( p_input ); return VLC_SUCCESS; } /** * Request a running input thread to stop and die * * \param the input thread to stop */ void input_StopThread( input_thread_t *p_input ) { vlc_list_t *p_list; int i; /* Set die for input */ p_input->b_die = VLC_TRUE; /* We cannot touch p_input fields directly (we come from another thread), * so use the vlc_object_find way, it's perfectly safe */ /* Set die for all access */ p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD ); for( i = 0; i < p_list->i_count; i++ ) { p_list->p_values[i].p_object->b_die = VLC_TRUE; } vlc_list_release( p_list ); /* Set die for all stream */ p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD ); for( i = 0; i < p_list->i_count; i++ ) { p_list->p_values[i].p_object->b_die = VLC_TRUE; } vlc_list_release( p_list ); /* Set die for all demux */ p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD ); for( i = 0; i < p_list->i_count; i++ ) { p_list->p_values[i].p_object->b_die = VLC_TRUE; } vlc_list_release( p_list ); input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL ); } /** * Clean up a dead input thread * This function does not return until the thread is effectively cancelled. * * \param the input thread to kill */ void input_DestroyThread( input_thread_t *p_input ) { /* Join the thread */ vlc_thread_join( p_input ); /* Delete input lock (only after thread joined) */ vlc_mutex_destroy( &p_input->p->lock_control ); /* TODO: maybe input_DestroyThread should also delete p_input instead * of the playlist but I'm not sure if it's possible */ } /***************************************************************************** * 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 = VLC_TRUE; playlist_Signal( pl_Get( p_input ) ); Error( p_input ); /* Tell we're dead */ p_input->b_dead = VLC_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 = VLC_TRUE; playlist_Signal( pl_Get( p_input ) ); } /* Wait until we are asked to die */ if( !p_input->b_die ) { Error( p_input ); } /* Clean up */ End( p_input ); return 0; } /***************************************************************************** * RunAndClean: 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 RunAndClean( input_thread_t *p_input ) { /* Signal that the thread is launched */ vlc_thread_ready( p_input ); if( Init( p_input ) ) { /* If we failed, just exit */ return 0; } 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 = VLC_TRUE; } /* Clean up */ End( p_input ); /* Release memory */ vlc_object_detach( p_input ); vlc_object_destroy( p_input ); return 0; } /***************************************************************************** * Main loop: Fill buffers from access, and demux *****************************************************************************/ static void MainLoop( input_thread_t *p_input ) { int64_t i_intf_update = 0; int i_updates = 0; while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof ) { vlc_bool_t b_force_update = VLC_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 ) i_ret=p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux); else i_ret = 0; /* EOF */ 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 = VLC_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 = VLC_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. */ input_ChangeState( p_input, END_S ); msg_Dbg( p_input, "EOF reached" ); p_input->p->input.b_eof = VLC_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 ); } } } else if( i_ret < 0 ) { p_input->b_error = VLC_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 = VLC_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( !demux2_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( !demux2_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( !demux2_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", VLC_TRUE ); i_intf_update = mdate() + I64C(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( p_input->p_libvlc->p_playlist->p_stats_computer == p_input ) { stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist, p_input->p_libvlc->p_playlist->p_stats ); } } } } static int Init( input_thread_t * p_input ) { char *psz; char *psz_subtitle; vlc_value_t val; double f_fps; vlc_meta_t *p_meta; int i_es_out_mode; int i, i_delay; /* Initialize optional stream output. (before access/demuxer) * XXX: we add a special case if the uri starts by vlc. * else 'vlc in.file --sout "" vlc:quit' cannot work (the output will * be destroyed in case of a file). * (this will break playing of file starting by 'vlc:' but I don't * want to add more logic, just force file by file:// or code it ;) */ memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) ); vlc_mutex_init( p_input, &p_input->p->counters.counters_lock ); if( !p_input->b_preparsing ) { /* Prepare statistics */ #define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \ stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute); if( p_input->p_libvlc->b_stats ) { 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; } /* handle sout */ psz = var_GetString( p_input, "sout" ); if( *psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) ) { p_input->p->p_sout = sout_NewInstance( p_input, psz ); if( p_input->p->p_sout == NULL ) { input_ChangeState( p_input, ERROR_S ); msg_Err( p_input, "cannot start stream output instance, " \ "aborting" ); free( psz ); return VLC_EGENERIC; } if( p_input->p_libvlc->b_stats ) { 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; } } free( psz ); } /* Create es out */ p_input->p->p_es_out = input_EsOutNew( p_input ); es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_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; } /* Create global title (from master) */ if( !p_input->b_preparsing ) { 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->p->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; /* 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; } /* Load master infos */ /* Init length */ if( !demux2_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 ); p_input->p->input.p_item->i_duration = val.i_time; } /* Start title/chapter */ if( !p_input->b_preparsing ) { 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_t)var_GetInteger( p_input, "start-time" ) * I64C(1000000); p_input->p->i_stop = (int64_t)var_GetInteger( p_input, "stop-time" ) * I64C(1000000); if( p_input->p->i_start > 0 ) { if( p_input->p->i_start >= val.i_time ) { 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 / I64C(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( !demux2_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_GetString( p_input, "sub-file" ); if( *psz_subtitle ) { msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle ); input_AddSubtitles( p_input, psz_subtitle, VLC_FALSE ); } var_Get( p_input, "sub-autodetect-file", &val ); if( val.b_bool ) { char *psz_autopath = var_GetString( 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; /* Try to autoselect the first autodetected subtitles file * if no subtitles file was specified */ if( *psz_subtitle == 0 && subs && subs[0] ) { input_AddSubtitles( p_input, subs[0], VLC_FALSE ); free( subs[0] ); i = 1; } /* Then, just add the following subtitles files */ for( ; subs && subs[i]; i++ ) { if( 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] ); } if( subs ) free( subs ); if( psz_autopath ) free( psz_autopath ); } free( psz_subtitle ); /* Look for slave */ psz = var_GetString( p_input, "input-slave" ); if( *psz ) { 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; } } if( psz ) free( psz ); } else { p_input->p->i_start = 0; p_input->p->i_start = 0; } /* Set up es_out */ if( !p_input->b_preparsing ) { es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_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 ) { demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL ); } else if( i_es_out_mode == ES_OUT_MODE_PARTIAL ) { demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, val.p_list ); } else { demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, (int) var_GetInteger( p_input, "program" ), NULL ); } if( p_input->p->p_sout ) { if( p_input->p->p_sout->i_out_pace_nocontrol > 0 ) { p_input->p->b_out_pace_control = VLC_FALSE; } else { p_input->p->b_out_pace_control = VLC_TRUE; } if( p_input->p->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 = p_input->p->input.p_item->p_meta; /* Get meta data from users */ InputMetaUser( p_input ); /* Get meta data from master input */ demux2_Control( p_input->p->input.p_demux, DEMUX_GET_META, p_meta ); /* Access_file does not give any meta, and there are no slave */ if( !p_input->b_preparsing ) { if( p_input->p->input.p_access ) access2_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++ ) { demux2_Control( p_input->p->slave[i]->p_demux, DEMUX_GET_META, p_meta ); if( p_input->p->slave[i]->p_access ) { access2_Control( p_input->p->slave[i]->p_access, ACCESS_GET_META, p_meta ); } } } UpdateMeta( p_input ); 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 ); if( p_input->p->p_sout ) sout_DeleteInstance( p_input->p->p_sout ); /* 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 ) { while( !p_input->b_die ) { /* Sleep a while */ input_ChangeState( p_input, ERROR_S ); msleep( INPUT_IDLE_SLEEP ); } } /***************************************************************************** * End: end the input thread *****************************************************************************/ static void End( input_thread_t * p_input ) { int i; msg_Dbg( p_input, "closing input" ); /* We are at the end */ input_ChangeState( p_input, END_S ); /* Clean control variables */ input_ControlVarClean( p_input ); /* Clean up master */ InputSourceClean( p_input, &p_input->p->input ); /* Delete slave */ for( i = 0; i < p_input->p->i_slave; i++ ) { InputSourceClean( p_input, p_input->p->slave[i] ); free( p_input->p->slave[i] ); } if( p_input->p->slave ) free( p_input->p->slave ); /* Unload all modules */ if( p_input->p->p_es_out ) input_EsOutDelete( p_input->p->p_es_out ); #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL; if( p_input->p_libvlc->b_stats ) { /* make sure we are up to date */ stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats ); if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input ) { stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist, p_input->p_libvlc->p_playlist->p_stats ); p_input->p_libvlc->p_playlist->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) ; vlc_mutex_destroy( &p_input->p->counters.counters_lock ); } /* Close optional stream output instance */ if( p_input->p->p_sout ) { vlc_value_t keep; CL_CO( sout_sent_packets ); CL_CO( sout_sent_bytes ); CL_CO( sout_send_bitrate ); if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool ) { /* attach sout to the playlist */ msg_Dbg( p_input, "keeping sout" ); vlc_object_detach( p_input->p->p_sout ); vlc_object_attach( p_input->p->p_sout, p_input->p_libvlc->p_playlist ); } else { msg_Dbg( p_input, "destroying sout" ); sout_DeleteInstance( p_input->p->p_sout ); } } #undef CL_CO vlc_mutex_destroy( &p_input->p->counters.counters_lock ); /* Tell we're dead */ p_input->b_dead = VLC_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 vlc_bool_t Control( input_thread_t *p_input, int i_type, vlc_value_t val ) { vlc_bool_t b_force_update = VLC_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 */ if( p_input->p->input.p_access ) p_input->p->input.p_access->b_die = VLC_TRUE; if( p_input->p->input.p_stream ) p_input->p->input.p_stream->b_die = VLC_TRUE; p_input->p->input.p_demux->b_die = VLC_TRUE; p_input->b_die = VLC_TRUE; 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 */ demux2_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 */ es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); if( demux2_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 = VLC_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 */ demux2_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 */ es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); i_ret = demux2_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 */ demux2_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 = demux2_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION, f_pos ); } } if( i_ret ) { msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd " failed or not possible", i_time ); } else { if( p_input->p->i_slave > 0 ) SlaveSeek( p_input ); b_force_update = VLC_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 = access2_Control( p_input->p->input.p_access, ACCESS_SET_PAUSE_STATE, VLC_FALSE ); else i_ret = demux2_Control( p_input->p->input.p_demux, DEMUX_SET_PAUSE_STATE, VLC_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 = VLC_TRUE; /* Switch to play */ p_input->i_state = PLAYING_S; val.i_int = PLAYING_S; var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL ); /* Reset clock */ es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); } else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S && p_input->p->b_can_pause ) { int i_ret; if( p_input->p->input.p_access ) i_ret = access2_Control( p_input->p->input.p_access, ACCESS_SET_PAUSE_STATE, VLC_TRUE ); else i_ret = demux2_Control( p_input->p->input.p_demux, DEMUX_SET_PAUSE_STATE, VLC_TRUE ); b_force_update = VLC_TRUE; if( i_ret ) { msg_Warn( p_input, "cannot set pause state" ); val.i_int = p_input->i_state; } else { val.i_int = PAUSE_S; } /* Switch to new state */ p_input->i_state = val.i_int; var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL ); } else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause ) { b_force_update = VLC_TRUE; /* Correct "state" value */ val.i_int = p_input->i_state; var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL ); } 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_SLOWER ) i_rate = p_input->p->i_rate * 2; else if( i_type == INPUT_CONTROL_SET_RATE_FASTER ) i_rate = p_input->p->i_rate / 2; else i_rate = val.i_int; 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->p->b_can_pace_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->p->i_rate = i_rate; val.i_int = i_rate; var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL ); /* We haven't send data to decoder when rate != default */ if( i_rate == INPUT_RATE_DEFAULT ) input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE ); /* Reset clock */ es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); b_force_update = VLC_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 ); demux2_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_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); demux2_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_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); access2_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 && !demux2_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_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); demux2_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 && demux2_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_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE ); es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR ); access2_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 = p_input->p->input.p_item->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( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) ) { msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" ); InputSourceClean( p_input, slave ); free( slave ); break; } if( demux2_Control( slave->p_demux, DEMUX_SET_TIME, i_time ) ) { msg_Err( p_input, "seek failed for new slave" ); InputSourceClean( p_input, slave ); free( slave ); break; } /* Get meta (access and demux) */ access2_Control( slave->p_access, ACCESS_GET_META, p_meta ); demux2_Control( slave->p_demux, DEMUX_GET_META, p_meta ); UpdateMeta( p_input ); 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 = p_input->p->input.p_item->p_meta; access2_Control( p_input->p->input.p_access,ACCESS_GET_META, p_meta ); UpdateMeta( p_input ); var_SetBool( p_input, "item-change", p_input->p->input.p_item->i_id ); 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; } /***************************************************************************** * UpdateMeta: *****************************************************************************/ static int UpdateMeta( input_thread_t *p_input ) { vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta; if( !p_meta ) return VLC_SUCCESS; if( p_meta->psz_title && !p_input->p->input.p_item->b_fixed_name ) input_Control( p_input, INPUT_SET_NAME, p_meta->psz_title ); /** \todo handle sout meta */ return VLC_SUCCESS; } /***************************************************************************** * UpdateItemLength: *****************************************************************************/ static void UpdateItemLength( input_thread_t *p_input, int64_t i_length ) { vlc_mutex_lock( &p_input->p->input.p_item->lock ); p_input->p->input.p_item->i_duration = i_length; vlc_mutex_unlock( &p_input->p->input.p_item->lock ); if( !p_input->b_preparsing ) { pl_Yield( p_input ); var_SetInteger( pl_Get( p_input ), "item-change", p_input->p->input.p_item->i_id ); pl_Release( p_input ) } } /***************************************************************************** * 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 ) { msg_Err( p_input, "out of memory for new input source" ); return NULL; } in->p_item = NULL; in->p_access = NULL; in->p_stream = NULL; in->p_demux = NULL; in->b_title_demux = VLC_FALSE; in->i_title = 0; in->title = NULL; in->b_can_pace_control = VLC_TRUE; in->b_eof = VLC_FALSE; in->i_cr_average = 0; 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; strcpy (psz_dup, psz_mrl); if( !in ) return VLC_EGENERIC; if( !p_input ) return VLC_EGENERIC; /* Split uri */ if( !p_input->b_preparsing ) { MRLSplit( VLC_OBJECT(p_input), 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 ); /* 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 || *psz_demux == '\0' ) { /* special hack for forcing a demuxer with --demux=module * (and do nothing with a list) */ char *psz_var_demux = var_GetString( p_input, "demux" ); if( *psz_var_demux != '\0' && !strchr(psz_var_demux, ',' ) && !strchr(psz_var_demux, ':' ) ) { psz_demux = psz_var_demux; msg_Dbg( p_input, "enforced demux ` %s'", psz_demux ); } else if( psz_var_demux ) { free( psz_var_demux ); } } /* Try access_demux if no demux given */ if( *psz_demux == '\0' ) { in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path, NULL, p_input->p->p_es_out, VLC_FALSE ); } } else { psz_path = psz_dup; msg_Dbg( p_input, "trying to pre-parse %s", psz_path ); psz_demux = ""; psz_access = "file"; } if( in->p_demux ) { int64_t i_pts_delay; /* Get infos from access_demux */ demux2_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 = VLC_TRUE; if( demux2_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; } demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE, &in->b_can_pace_control ); demux2_Control( in->p_demux, DEMUX_CAN_PAUSE, &in->b_can_pause ); /* FIXME todo demux2_Control( in->p_demux, DEMUX_CAN_SEEK, &val.b_bool ); */ } else { int64_t i_pts_delay; input_ChangeState( p_input, OPENING_S ); /* Now try a real access */ in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path, p_input->b_preparsing ); /* 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 = access2_New( p_input, psz_access, psz_demux, psz_path, p_input->b_preparsing ); } #ifndef WIN32 /* Remove this gross hack from the win32 build as colons * are forbidden in filenames on Win32. */ /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */ if( in->p_access == NULL && *psz_access == '\0' && ( *psz_demux || *psz_path ) ) { strcpy (psz_dup, psz_mrl); psz_access = ""; if( psz_forced_demux && *psz_forced_demux ) { psz_demux = psz_forced_demux; } else psz_demux = ""; psz_path = psz_dup; in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path, p_input->b_preparsing ); } #endif if( in->p_access == NULL ) { msg_Err( p_input, "no suitable access module for `%s'", psz_mrl ); intf_UserFatal( VLC_OBJECT( p_input), VLC_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_GetString( 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 = access2_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; } if( psz_tmp ) free( psz_tmp ); /* Get infos from access */ if( !p_input->b_preparsing ) { access2_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 = VLC_FALSE; if( access2_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; } access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE, &in->b_can_pace_control ); access2_Control( in->p_access, ACCESS_CAN_PAUSE, &in->b_can_pause ); access2_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; } in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path, in->p_stream, p_input->p->p_es_out, p_input->b_preparsing ); 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), VLC_FALSE, _("Can't recognize the input's format"), _("The format of '%s' can't be detected. " "Have a look the log for details."), psz_mrl ); goto error; } /* TODO get title from demux */ if( !p_input->b_preparsing && in->i_title <= 0 ) { if( demux2_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; } else { in->b_title_demux = VLC_TRUE; } } } 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 ) demux2_Delete( in->p_demux ); if( in->p_stream ) stream_Delete( in->p_stream ); if( in->p_access ) access2_Delete( in->p_access ); return VLC_EGENERIC; } /***************************************************************************** * InputSourceClean: *****************************************************************************/ static void InputSourceClean( input_thread_t *p_input, input_source_t *in ) { if( in->p_demux ) demux2_Delete( in->p_demux ); if( in->p_stream ) stream_Delete( in->p_stream ); if( in->p_access ) access2_Delete( in->p_access ); if( in->i_title > 0 ) { int i; for( i = 0; i < in->i_title; i++ ) { vlc_input_title_Delete( in->title[i] ); } free( in->title ); } } static void SlaveDemux( input_thread_t *p_input ) { int64_t i_time; int i; if( demux2_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( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) ) { for( ;; ) { int64_t i_stime; if( demux2_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 = VLC_TRUE; } } } static void SlaveSeek( input_thread_t *p_input ) { int64_t i_time; int i; if( !p_input ) return; if( demux2_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( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) ) { msg_Err( p_input, "seek failed for slave %d -> EOF", i ); in->b_eof = VLC_TRUE; } } } /***************************************************************************** * InputMetaUser: *****************************************************************************/ static void InputMetaUser( input_thread_t *p_input ) { vlc_meta_t *p_meta = p_input->p->input.p_item->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 ) { \ if( p_meta->psz_ ## field ) free ( p_meta->psz_ ## field ); \ p_meta->psz_ ## field = strdup( 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 } /***************************************************************************** * MRLSplit: parse the access, demux and url part of the * Media Resource Locator. *****************************************************************************/ void MRLSplit( vlc_object_t *p_input, char *psz_dup, const char **ppsz_access, const char **ppsz_demux, char **ppsz_path ) { const char *psz_access = ""; const char *psz_demux = ""; char *psz_path; char *psz, *psz_check; psz = strchr( psz_dup, ':' ); /* '@' not allowed in access/demux part */ psz_check = strchr( psz_dup, '@' ); if( psz_check && psz_check < psz ) psz = 0; #if defined( WIN32 ) || defined( UNDER_CE ) if( psz - psz_dup == 1 ) { msg_Dbg( p_input, "drive letter %c: found in source", *psz_dup ); psz_path = psz_dup; } else #endif if( psz ) { *psz++ = '\0'; if( psz[0] == '/' && psz[1] == '/' ) psz += 2; psz_path = psz; psz = strchr( psz_dup, '/' ); if( psz ) { *psz++ = '\0'; psz_demux = psz; } psz_access = psz_dup; } else { psz_path = psz_dup; } *ppsz_access = psz_access; *ppsz_demux = psz_demux; *ppsz_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 *****************************************************************************/ vlc_bool_t input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle, vlc_bool_t 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 VLC_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 VLC_TRUE; }