es_out_timeshift.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:45k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * es_out_timeshift.c: Es Out timeshift.
- *****************************************************************************
- * Copyright (C) 2008 Laurent Aimar
- * $Id: 19f4d211056c8e09594239a8c28a7195f156f082 $
- *
- * Authors: Laurent Aimar < fenrir _AT_ videolan _DOT_ org>
- *
- * 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 <stdlib.h>
- #include <stdio.h>
- #include <errno.h>
- #include <assert.h>
- #if defined (WIN32) && !defined (UNDER_CE)
- # include <direct.h>
- #endif
- #ifdef HAVE_SYS_STAT_H
- # include <sys/stat.h>
- #endif
- #include <vlc_common.h>
- #include <vlc_charset.h>
- #include <vlc_input.h>
- #include <vlc_es_out.h>
- #include <vlc_block.h>
- #include "input_internal.h"
- #include "es_out.h"
- #include "es_out_timeshift.h"
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- /* XXX attribute_packed is (and MUST be) used ONLY to reduce memory usage */
- #ifdef HAVE_ATTRIBUTE_PACKED
- # define attribute_packed __attribute__((__packed__))
- #else
- # define attribute_packed
- #endif
- enum
- {
- C_ADD,
- C_SEND,
- C_DEL,
- C_CONTROL,
- };
- typedef struct attribute_packed
- {
- es_out_id_t *p_es;
- es_format_t *p_fmt;
- } ts_cmd_add_t;
- typedef struct attribute_packed
- {
- es_out_id_t *p_es;
- } ts_cmd_del_t;
- typedef struct attribute_packed
- {
- es_out_id_t *p_es;
- block_t *p_block;
- int i_offset; /* We do not use file > INT_MAX */
- } ts_cmd_send_t;
- typedef struct attribute_packed
- {
- int i_query;
- union
- {
- bool b_bool;
- int i_int;
- int64_t i_i64;
- es_out_id_t *p_es;
- struct
- {
- int i_int;
- int64_t i_i64;
- } int_i64;
- struct
- {
- int i_int;
- vlc_meta_t *p_meta;
- } int_meta;
- struct
- {
- int i_int;
- vlc_epg_t *p_epg;
- } int_epg;
- struct
- {
- es_out_id_t *p_es;
- bool b_bool;
- } es_bool;
- struct
- {
- es_out_id_t *p_es;
- es_format_t *p_fmt;
- } es_fmt;
- struct
- {
- /* FIXME Really too big (double make the whole thing too big) */
- double f_position;
- mtime_t i_time;
- mtime_t i_length;
- } times;
- struct
- {
- mtime_t i_pts_delay;
- int i_cr_average;
- } jitter;
- };
- } ts_cmd_control_t;
- typedef struct attribute_packed
- {
- int8_t i_type;
- mtime_t i_date;
- union
- {
- ts_cmd_add_t add;
- ts_cmd_del_t del;
- ts_cmd_send_t send;
- ts_cmd_control_t control;
- };
- } ts_cmd_t;
- typedef struct ts_storage_t ts_storage_t;
- struct ts_storage_t
- {
- ts_storage_t *p_next;
- /* */
- char *psz_file; /* Filename */
- size_t i_file_max; /* Max size in bytes */
- int64_t i_file_size;/* Current size in bytes */
- FILE *p_filew; /* FILE handle for data writing */
- FILE *p_filer; /* FILE handle for data reading */
- /* */
- int i_cmd_r;
- int i_cmd_w;
- int i_cmd_max;
- ts_cmd_t *p_cmd;
- };
- typedef struct
- {
- VLC_COMMON_MEMBERS
- /* */
- input_thread_t *p_input;
- es_out_t *p_out;
- int64_t i_tmp_size_max;
- const char *psz_tmp_path;
- /* Lock for all following fields */
- vlc_mutex_t lock;
- vlc_cond_t wait;
- /* */
- bool b_paused;
- mtime_t i_pause_date;
- /* */
- int i_rate;
- int i_rate_source;
- mtime_t i_rate_date;
- mtime_t i_rate_delay;
- /* */
- mtime_t i_buffering_delay;
- /* */
- ts_storage_t *p_storage_r;
- ts_storage_t *p_storage_w;
- mtime_t i_cmd_delay;
- } ts_thread_t;
- struct es_out_id_t
- {
- es_out_id_t *p_es;
- };
- struct es_out_sys_t
- {
- input_thread_t *p_input;
- es_out_t *p_out;
- /* Configuration */
- int64_t i_tmp_size_max; /* Maximal temporary file size in byte */
- char *psz_tmp_path; /* Path for temporary files */
- /* Lock for all following fields */
- vlc_mutex_t lock;
- /* */
- bool b_delayed;
- ts_thread_t *p_thread;
- /* */
- bool b_input_paused;
- bool b_input_paused_source;
- int i_input_rate;
- int i_input_rate_source;
- /* */
- int i_es;
- es_out_id_t **pp_es;
- };
- static es_out_id_t *Add ( es_out_t *, const es_format_t * );
- static int Send ( es_out_t *, es_out_id_t *, block_t * );
- static void Del ( es_out_t *, es_out_id_t * );
- static int Control( es_out_t *, int i_query, va_list );
- static void Destroy( es_out_t * );
- static int TsStart( es_out_t * );
- static void TsAutoStop( es_out_t * );
- static void TsStop( ts_thread_t * );
- static void TsPushCmd( ts_thread_t *, ts_cmd_t * );
- static int TsPopCmdLocked( ts_thread_t *, ts_cmd_t *, bool b_flush );
- static bool TsHasCmd( ts_thread_t * );
- static bool TsIsUnused( ts_thread_t * );
- static int TsChangePause( ts_thread_t *, bool b_source_paused, bool b_paused, mtime_t i_date );
- static int TsChangeRate( ts_thread_t *, int i_src_rate, int i_rate );
- static void *TsRun( vlc_object_t * );
- static ts_storage_t *TsStorageNew( const char *psz_path, int64_t i_tmp_size_max );
- static void TsStorageDelete( ts_storage_t * );
- static void TsStoragePack( ts_storage_t *p_storage );
- static bool TsStorageIsFull( ts_storage_t *, const ts_cmd_t *p_cmd );
- static bool TsStorageIsEmpty( ts_storage_t * );
- static void TsStoragePushCmd( ts_storage_t *, const ts_cmd_t *p_cmd, bool b_flush );
- static void TsStoragePopCmd( ts_storage_t *p_storage, ts_cmd_t *p_cmd, bool b_flush );
- static void CmdClean( ts_cmd_t * );
- static void cmd_cleanup_routine( void *p ) { CmdClean( p ); }
- static int CmdInitAdd ( ts_cmd_t *, es_out_id_t *, const es_format_t *, bool b_copy );
- static void CmdInitSend ( ts_cmd_t *, es_out_id_t *, block_t * );
- static int CmdInitDel ( ts_cmd_t *, es_out_id_t * );
- static int CmdInitControl( ts_cmd_t *, int i_query, va_list, bool b_copy );
- /* */
- static void CmdCleanAdd ( ts_cmd_t * );
- static void CmdCleanSend ( ts_cmd_t * );
- static void CmdCleanControl( ts_cmd_t *p_cmd );
- /* XXX these functions will take the destination es_out_t */
- static void CmdExecuteAdd ( es_out_t *, ts_cmd_t * );
- static int CmdExecuteSend ( es_out_t *, ts_cmd_t * );
- static void CmdExecuteDel ( es_out_t *, ts_cmd_t * );
- static int CmdExecuteControl( es_out_t *, ts_cmd_t * );
- /* File helpers */
- static char *GetTmpPath( char *psz_path );
- static FILE *GetTmpFile( char **ppsz_file, const char *psz_path );
- /*****************************************************************************
- * input_EsOutTimeshiftNew:
- *****************************************************************************/
- es_out_t *input_EsOutTimeshiftNew( input_thread_t *p_input, es_out_t *p_next_out, int i_rate )
- {
- es_out_t *p_out = malloc( sizeof(*p_out) );
- if( !p_out )
- return NULL;
- es_out_sys_t *p_sys = malloc( sizeof(*p_sys) );
- if( !p_sys )
- {
- free( p_out );
- return NULL;
- }
- /* */
- p_out->pf_add = Add;
- p_out->pf_send = Send;
- p_out->pf_del = Del;
- p_out->pf_control = Control;
- p_out->pf_destroy = Destroy;
- p_out->p_sys = p_sys;
- p_out->b_sout = p_input->p->p_sout != NULL;
- /* */
- p_sys->b_input_paused = false;
- p_sys->b_input_paused_source = false;
- p_sys->p_input = p_input;
- p_sys->i_input_rate = i_rate;
- p_sys->i_input_rate_source = i_rate;
- p_sys->p_out = p_next_out;
- vlc_mutex_init_recursive( &p_sys->lock );
- p_sys->b_delayed = false;
- p_sys->p_thread = NULL;
- TAB_INIT( p_sys->i_es, p_sys->pp_es );
- /* */
- const int i_tmp_size_max = var_CreateGetInteger( p_input, "input-timeshift-granularity" );
- if( i_tmp_size_max < 0 )
- p_sys->i_tmp_size_max = 50*1024*1024;
- else
- p_sys->i_tmp_size_max = __MAX( i_tmp_size_max, 1*1024*1024 );
- msg_Dbg( p_input, "using timeshift granularity of %d MBytes",
- (int)p_sys->i_tmp_size_max/(1024*1024) );
- char *psz_tmp_path = var_CreateGetNonEmptyString( p_input, "input-timeshift-path" );
- p_sys->psz_tmp_path = GetTmpPath( psz_tmp_path );
- msg_Dbg( p_input, "using timeshift path '%s'", p_sys->psz_tmp_path );
- #if 0
- #define S(t) msg_Err( p_input, "SIZEOF("#t")=%d", sizeof(t) )
- S(ts_cmd_t);
- S(ts_cmd_control_t);
- S(ts_cmd_send_t);
- S(ts_cmd_del_t);
- S(ts_cmd_add_t);
- #undef S
- #endif
- return p_out;
- }
- /*****************************************************************************
- * Internal functions
- *****************************************************************************/
- static void Destroy( es_out_t *p_out )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- if( p_sys->b_delayed )
- {
- TsStop( p_sys->p_thread );
- p_sys->b_delayed = false;
- }
- while( p_sys->i_es > 0 )
- Del( p_out, p_sys->pp_es[0] );
- TAB_CLEAN( p_sys->i_es, p_sys->pp_es );
- free( p_sys->psz_tmp_path );
- vlc_mutex_destroy( &p_sys->lock );
- free( p_sys );
- free( p_out );
- }
- static es_out_id_t *Add( es_out_t *p_out, const es_format_t *p_fmt )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- ts_cmd_t cmd;
- es_out_id_t *p_es = malloc( sizeof( *p_es ) );
- if( !p_es )
- return NULL;
- vlc_mutex_lock( &p_sys->lock );
- TsAutoStop( p_out );
- if( CmdInitAdd( &cmd, p_es, p_fmt, p_sys->b_delayed ) )
- {
- vlc_mutex_unlock( &p_sys->lock );
- free( p_es );
- return NULL;
- }
- TAB_APPEND( p_sys->i_es, p_sys->pp_es, p_es );
- if( p_sys->b_delayed )
- TsPushCmd( p_sys->p_thread, &cmd );
- else
- CmdExecuteAdd( p_sys->p_out, &cmd );
- vlc_mutex_unlock( &p_sys->lock );
- return p_es;
- }
- static int Send( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- ts_cmd_t cmd;
- int i_ret = VLC_SUCCESS;
- vlc_mutex_lock( &p_sys->lock );
- TsAutoStop( p_out );
- CmdInitSend( &cmd, p_es, p_block );
- if( p_sys->b_delayed )
- TsPushCmd( p_sys->p_thread, &cmd );
- else
- i_ret = CmdExecuteSend( p_sys->p_out, &cmd) ;
- vlc_mutex_unlock( &p_sys->lock );
- return i_ret;
- }
- static void Del( es_out_t *p_out, es_out_id_t *p_es )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- ts_cmd_t cmd;
- vlc_mutex_lock( &p_sys->lock );
- TsAutoStop( p_out );
- CmdInitDel( &cmd, p_es );
- if( p_sys->b_delayed )
- TsPushCmd( p_sys->p_thread, &cmd );
- else
- CmdExecuteDel( p_sys->p_out, &cmd );
- TAB_REMOVE( p_sys->i_es, p_sys->pp_es, p_es );
- vlc_mutex_unlock( &p_sys->lock );
- }
- static int ControlLockedGetEmpty( es_out_t *p_out, bool *pb_empty )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- if( p_sys->b_delayed && TsHasCmd( p_sys->p_thread ) )
- *pb_empty = false;
- else
- *pb_empty = es_out_GetEmpty( p_sys->p_out );
- return VLC_SUCCESS;
- }
- static int ControlLockedGetWakeup( es_out_t *p_out, mtime_t *pi_wakeup )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- if( p_sys->b_delayed )
- {
- assert( !p_sys->p_input->p->b_can_pace_control );
- *pi_wakeup = 0;
- }
- else
- {
- *pi_wakeup = es_out_GetWakeup( p_sys->p_out );
- }
- return VLC_SUCCESS;
- }
- static int ControlLockedGetBuffering( es_out_t *p_out, bool *pb_buffering )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- if( p_sys->b_delayed )
- *pb_buffering = true;
- else
- *pb_buffering = es_out_GetBuffering( p_sys->p_out );
- return VLC_SUCCESS;
- }
- static int ControlLockedSetPauseState( es_out_t *p_out, bool b_source_paused, bool b_paused, mtime_t i_date )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- int i_ret;
- if( !p_sys->b_delayed && !b_source_paused == !b_paused )
- {
- i_ret = es_out_SetPauseState( p_sys->p_out, b_source_paused, b_paused, i_date );
- }
- else
- {
- i_ret = VLC_EGENERIC;
- if( !p_sys->p_input->p->b_can_pace_control )
- {
- if( !p_sys->b_delayed )
- TsStart( p_out );
- if( p_sys->b_delayed )
- i_ret = TsChangePause( p_sys->p_thread, b_source_paused, b_paused, i_date );
- }
- else
- {
- /* XXX we may do it BUT it would be better to finish the clock clean up+improvments
- * and so be able to advertize correctly pace control property in access
- * module */
- msg_Err( p_sys->p_input, "EsOutTimeshift does not work with streams that have space control" );
- }
- }
- if( !i_ret )
- {
- p_sys->b_input_paused_source = b_source_paused;
- p_sys->b_input_paused = b_paused;
- }
- return i_ret;
- }
- static int ControlLockedSetRate( es_out_t *p_out, int i_src_rate, int i_rate )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- int i_ret;
- if( !p_sys->b_delayed && i_src_rate == i_rate )
- {
- i_ret = es_out_SetRate( p_sys->p_out, i_src_rate, i_rate );
- }
- else
- {
- i_ret = VLC_EGENERIC;
- if( !p_sys->p_input->p->b_can_pace_control )
- {
- if( !p_sys->b_delayed )
- TsStart( p_out );
- if( p_sys->b_delayed )
- i_ret = TsChangeRate( p_sys->p_thread, i_src_rate, i_rate );
- }
- else
- {
- /* XXX we may do it BUT it would be better to finish the clock clean up+improvments
- * and so be able to advertize correctly pace control property in access
- * module */
- msg_Err( p_sys->p_input, "EsOutTimeshift does not work with streams that have space control" );
- }
- }
- if( !i_ret )
- {
- p_sys->i_input_rate_source = i_src_rate;
- p_sys->i_input_rate = i_rate;
- }
- return i_ret;
- }
- static int ControlLockedSetTime( es_out_t *p_out, mtime_t i_date )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- if( !p_sys->b_delayed )
- return es_out_SetTime( p_sys->p_out, i_date );
- /* TODO */
- msg_Err( p_sys->p_input, "EsOutTimeshift does not yet support time change" );
- return VLC_EGENERIC;
- }
- static int ControlLockedSetFrameNext( es_out_t *p_out )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- return es_out_SetFrameNext( p_sys->p_out );
- }
- static int ControlLocked( es_out_t *p_out, int i_query, va_list args )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- switch( i_query )
- {
- /* Invalid query for this es_out level */
- case ES_OUT_SET_ES_BY_ID:
- case ES_OUT_RESTART_ES_BY_ID:
- case ES_OUT_SET_ES_DEFAULT_BY_ID:
- case ES_OUT_SET_DELAY:
- case ES_OUT_SET_RECORD_STATE:
- assert(0);
- return VLC_EGENERIC;
- /* Pass-through control */
- case ES_OUT_SET_ACTIVE:
- case ES_OUT_SET_MODE:
- case ES_OUT_SET_GROUP:
- case ES_OUT_SET_PCR:
- case ES_OUT_SET_GROUP_PCR:
- case ES_OUT_RESET_PCR:
- case ES_OUT_SET_NEXT_DISPLAY_TIME:
- case ES_OUT_SET_GROUP_META:
- case ES_OUT_SET_GROUP_EPG:
- case ES_OUT_SET_ES_SCRAMBLED_STATE:
- case ES_OUT_DEL_GROUP:
- case ES_OUT_SET_META:
- case ES_OUT_SET_ES:
- case ES_OUT_RESTART_ES:
- case ES_OUT_SET_ES_DEFAULT:
- case ES_OUT_SET_ES_STATE:
- case ES_OUT_SET_ES_FMT:
- case ES_OUT_SET_TIMES:
- case ES_OUT_SET_JITTER:
- {
- ts_cmd_t cmd;
- if( CmdInitControl( &cmd, i_query, args, p_sys->b_delayed ) )
- return VLC_EGENERIC;
- if( p_sys->b_delayed )
- {
- TsPushCmd( p_sys->p_thread, &cmd );
- return VLC_SUCCESS;
- }
- return CmdExecuteControl( p_sys->p_out, &cmd );
- }
- /* Special control when delayed */
- case ES_OUT_GET_ES_STATE:
- {
- es_out_id_t *p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
- bool *pb_enabled = (bool*)va_arg( args, bool* );
- if( p_sys->b_delayed )
- {
- *pb_enabled = true;
- return VLC_SUCCESS;
- }
- return es_out_Control( p_sys->p_out, ES_OUT_GET_ES_STATE, p_es->p_es, pb_enabled );
- }
- /* Special internal input control */
- case ES_OUT_GET_EMPTY:
- {
- bool *pb_empty = (bool*)va_arg( args, bool* );
- return ControlLockedGetEmpty( p_out, pb_empty );
- }
- case ES_OUT_GET_WAKE_UP: /* TODO ? */
- {
- mtime_t *pi_wakeup = (mtime_t*)va_arg( args, mtime_t* );
- return ControlLockedGetWakeup( p_out, pi_wakeup );
- }
- case ES_OUT_GET_BUFFERING:
- {
- bool *pb_buffering = (bool *)va_arg( args, bool* );
- return ControlLockedGetBuffering( p_out, pb_buffering );
- }
- case ES_OUT_SET_PAUSE_STATE:
- {
- const bool b_source_paused = (bool)va_arg( args, int );
- const bool b_paused = (bool)va_arg( args, int );
- const mtime_t i_date = (mtime_t) va_arg( args, mtime_t );
- return ControlLockedSetPauseState( p_out, b_source_paused, b_paused, i_date );
- }
- case ES_OUT_SET_RATE:
- {
- const int i_src_rate = (int)va_arg( args, int );
- const int i_rate = (int)va_arg( args, int );
- return ControlLockedSetRate( p_out, i_src_rate, i_rate );
- }
- case ES_OUT_SET_TIME:
- {
- const mtime_t i_date = (mtime_t)va_arg( args, mtime_t );
- return ControlLockedSetTime( p_out, i_date );
- }
- case ES_OUT_SET_FRAME_NEXT:
- {
- return ControlLockedSetFrameNext( p_out );
- }
- default:
- msg_Err( p_sys->p_input, "Unknown es_out_Control query !" );
- assert(0);
- return VLC_EGENERIC;
- }
- }
- static int Control( es_out_t *p_out, int i_query, va_list args )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- int i_ret;
- vlc_mutex_lock( &p_sys->lock );
- TsAutoStop( p_out );
- i_ret = ControlLocked( p_out, i_query, args );
- vlc_mutex_unlock( &p_sys->lock );
- return i_ret;
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static void TsDestructor( vlc_object_t *p_this )
- {
- ts_thread_t *p_ts = (ts_thread_t*)p_this;
- vlc_cond_destroy( &p_ts->wait );
- vlc_mutex_destroy( &p_ts->lock );
- }
- static int TsStart( es_out_t *p_out )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- ts_thread_t *p_ts;
- assert( !p_sys->b_delayed );
- p_sys->p_thread = p_ts = vlc_custom_create( p_sys->p_input, sizeof(ts_thread_t),
- VLC_OBJECT_GENERIC, "es out timeshift" );
- if( !p_ts )
- return VLC_EGENERIC;
- p_ts->i_tmp_size_max = p_sys->i_tmp_size_max;
- p_ts->psz_tmp_path = p_sys->psz_tmp_path;
- p_ts->p_input = p_sys->p_input;
- p_ts->p_out = p_sys->p_out;
- vlc_mutex_init( &p_ts->lock );
- vlc_cond_init( &p_ts->wait );
- p_ts->b_paused = p_sys->b_input_paused && !p_sys->b_input_paused_source;
- p_ts->i_pause_date = p_ts->b_paused ? mdate() : -1;
- p_ts->i_rate_source = p_sys->i_input_rate_source;
- p_ts->i_rate = p_sys->i_input_rate;
- p_ts->i_rate_date = -1;
- p_ts->i_rate_delay = 0;
- p_ts->i_buffering_delay = 0;
- p_ts->i_cmd_delay = 0;
- p_ts->p_storage_r = NULL;
- p_ts->p_storage_w = NULL;
- vlc_object_set_destructor( p_ts, TsDestructor );
- p_sys->b_delayed = true;
- if( vlc_thread_create( p_ts, "es out timeshift",
- TsRun, VLC_THREAD_PRIORITY_INPUT ) )
- {
- msg_Err( p_sys->p_input, "cannot create input thread" );
- vlc_object_release( p_ts );
- p_sys->b_delayed = false;
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- static void TsAutoStop( es_out_t *p_out )
- {
- es_out_sys_t *p_sys = p_out->p_sys;
- if( !p_sys->b_delayed || !TsIsUnused( p_sys->p_thread ) )
- return;
- msg_Warn( p_sys->p_input, "es out timeshift: auto stop" );
- TsStop( p_sys->p_thread );
- p_sys->b_delayed = false;
- }
- static void TsStop( ts_thread_t *p_ts )
- {
- vlc_object_kill( p_ts );
- vlc_thread_join( p_ts );
- vlc_mutex_lock( &p_ts->lock );
- for( ;; )
- {
- ts_cmd_t cmd;
- if( TsPopCmdLocked( p_ts, &cmd, true ) )
- break;
- CmdClean( &cmd );
- }
- assert( !p_ts->p_storage_r || !p_ts->p_storage_r->p_next );
- if( p_ts->p_storage_r )
- TsStorageDelete( p_ts->p_storage_r );
- vlc_mutex_unlock( &p_ts->lock );
- vlc_object_release( p_ts );
- }
- static void TsPushCmd( ts_thread_t *p_ts, ts_cmd_t *p_cmd )
- {
- vlc_mutex_lock( &p_ts->lock );
- if( !p_ts->p_storage_w || TsStorageIsFull( p_ts->p_storage_w, p_cmd ) )
- {
- ts_storage_t *p_storage = TsStorageNew( p_ts->psz_tmp_path, p_ts->i_tmp_size_max );
- if( !p_storage )
- {
- CmdClean( p_cmd );
- vlc_mutex_unlock( &p_ts->lock );
- /* TODO warn the user (but only once) */
- return;
- }
- if( !p_ts->p_storage_w )
- {
- p_ts->p_storage_r = p_ts->p_storage_w = p_storage;
- }
- else
- {
- TsStoragePack( p_ts->p_storage_w );
- p_ts->p_storage_w->p_next = p_storage;
- p_ts->p_storage_w = p_storage;
- }
- }
- /* TODO return error and warn the user (but only once) */
- TsStoragePushCmd( p_ts->p_storage_w, p_cmd, p_ts->p_storage_r == p_ts->p_storage_w );
- vlc_cond_signal( &p_ts->wait );
- vlc_mutex_unlock( &p_ts->lock );
- }
- static int TsPopCmdLocked( ts_thread_t *p_ts, ts_cmd_t *p_cmd, bool b_flush )
- {
- vlc_assert_locked( &p_ts->lock );
- if( TsStorageIsEmpty( p_ts->p_storage_r ) )
- return VLC_EGENERIC;
- TsStoragePopCmd( p_ts->p_storage_r, p_cmd, b_flush );
- while( p_ts->p_storage_r && TsStorageIsEmpty( p_ts->p_storage_r ) )
- {
- ts_storage_t *p_next = p_ts->p_storage_r->p_next;
- if( !p_next )
- break;
- TsStorageDelete( p_ts->p_storage_r );
- p_ts->p_storage_r = p_next;
- }
- return VLC_SUCCESS;
- }
- static bool TsHasCmd( ts_thread_t *p_ts )
- {
- bool b_cmd;
- vlc_mutex_lock( &p_ts->lock );
- b_cmd = TsStorageIsEmpty( p_ts->p_storage_r );
- vlc_mutex_unlock( &p_ts->lock );
- return b_cmd;
- }
- static bool TsIsUnused( ts_thread_t *p_ts )
- {
- bool b_unused;
- vlc_mutex_lock( &p_ts->lock );
- b_unused = !p_ts->b_paused &&
- p_ts->i_rate == p_ts->i_rate_source &&
- TsStorageIsEmpty( p_ts->p_storage_r );
- vlc_mutex_unlock( &p_ts->lock );
- return b_unused;
- }
- static int TsChangePause( ts_thread_t *p_ts, bool b_source_paused, bool b_paused, mtime_t i_date )
- {
- vlc_mutex_lock( &p_ts->lock );
- int i_ret;
- if( b_paused )
- {
- assert( !b_source_paused );
- i_ret = es_out_SetPauseState( p_ts->p_out, true, true, i_date );
- }
- else
- {
- i_ret = es_out_SetPauseState( p_ts->p_out, false, false, i_date );
- }
- if( !i_ret )
- {
- if( !b_paused )
- {
- assert( p_ts->i_pause_date > 0 );
- p_ts->i_cmd_delay += i_date - p_ts->i_pause_date;
- }
- p_ts->b_paused = b_paused;
- p_ts->i_pause_date = i_date;
- vlc_cond_signal( &p_ts->wait );
- }
- vlc_mutex_unlock( &p_ts->lock );
- return i_ret;
- }
- static int TsChangeRate( ts_thread_t *p_ts, int i_src_rate, int i_rate )
- {
- int i_ret;
- vlc_mutex_lock( &p_ts->lock );
- p_ts->i_cmd_delay += p_ts->i_rate_delay;
- p_ts->i_rate_date = -1;
- p_ts->i_rate_delay = 0;
- p_ts->i_rate = i_rate;
- p_ts->i_rate_source = i_src_rate;
- i_ret = es_out_SetRate( p_ts->p_out, i_rate, i_rate );
- vlc_mutex_unlock( &p_ts->lock );
- return i_ret;
- }
- static void *TsRun( vlc_object_t *p_thread )
- {
- ts_thread_t *p_ts = (ts_thread_t*)p_thread;
- mtime_t i_buffering_date = -1;
- for( ;; )
- {
- ts_cmd_t cmd;
- mtime_t i_deadline;
- bool b_buffering;
- /* Pop a command to execute */
- vlc_mutex_lock( &p_ts->lock );
- mutex_cleanup_push( &p_ts->lock );
- for( ;; )
- {
- const int canc = vlc_savecancel();
- b_buffering = es_out_GetBuffering( p_ts->p_out );
- if( ( !p_ts->b_paused || b_buffering ) && !TsPopCmdLocked( p_ts, &cmd, false ) )
- {
- vlc_restorecancel( canc );
- break;
- }
- vlc_restorecancel( canc );
- vlc_cond_wait( &p_ts->wait, &p_ts->lock );
- }
- if( b_buffering && i_buffering_date < 0 )
- {
- i_buffering_date = cmd.i_date;
- }
- else if( i_buffering_date > 0 )
- {
- p_ts->i_buffering_delay += i_buffering_date - cmd.i_date; /* It is < 0 */
- if( b_buffering )
- i_buffering_date = cmd.i_date;
- else
- i_buffering_date = -1;
- }
- if( p_ts->i_rate_date < 0 )
- p_ts->i_rate_date = cmd.i_date;
- p_ts->i_rate_delay = 0;
- if( p_ts->i_rate_source != p_ts->i_rate )
- {
- const mtime_t i_duration = cmd.i_date - p_ts->i_rate_date;
- p_ts->i_rate_delay = i_duration * p_ts->i_rate / p_ts->i_rate_source - i_duration;
- }
- if( p_ts->i_cmd_delay + p_ts->i_rate_delay + p_ts->i_buffering_delay < 0 && p_ts->i_rate != p_ts->i_rate_source )
- {
- const int canc = vlc_savecancel();
- /* Auto reset to rate 1.0 */
- msg_Warn( p_ts->p_input, "es out timeshift: auto reset rate to %d", p_ts->i_rate_source );
- p_ts->i_cmd_delay = 0;
- p_ts->i_buffering_delay = 0;
- p_ts->i_rate_delay = 0;
- p_ts->i_rate_date = -1;
- p_ts->i_rate = p_ts->i_rate_source;
- if( !es_out_SetRate( p_ts->p_out, p_ts->i_rate_source, p_ts->i_rate ) )
- {
- vlc_value_t val = { .i_int = p_ts->i_rate };
- /* Warn back input
- * FIXME it is perfectly safe BUT it is ugly as it may hide a
- * rate change requested by user */
- input_ControlPush( p_ts->p_input, INPUT_CONTROL_SET_RATE, &val );
- }
- vlc_restorecancel( canc );
- }
- i_deadline = cmd.i_date + p_ts->i_cmd_delay + p_ts->i_rate_delay + p_ts->i_buffering_delay;
- vlc_cleanup_run();
- /* Regulate the speed of command processing to the same one than
- * reading */
- vlc_cleanup_push( cmd_cleanup_routine, &cmd );
- mwait( i_deadline );
- vlc_cleanup_pop();
- /* Execute the command */
- const int canc = vlc_savecancel();
- switch( cmd.i_type )
- {
- case C_ADD:
- CmdExecuteAdd( p_ts->p_out, &cmd );
- CmdCleanAdd( &cmd );
- break;
- case C_SEND:
- CmdExecuteSend( p_ts->p_out, &cmd );
- CmdCleanSend( &cmd );
- break;
- case C_CONTROL:
- CmdExecuteControl( p_ts->p_out, &cmd );
- CmdCleanControl( &cmd );
- break;
- case C_DEL:
- CmdExecuteDel( p_ts->p_out, &cmd );
- break;
- default:
- assert(0);
- break;
- }
- vlc_restorecancel( canc );
- }
- return NULL;
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static ts_storage_t *TsStorageNew( const char *psz_tmp_path, int64_t i_tmp_size_max )
- {
- ts_storage_t *p_storage = calloc( 1, sizeof(ts_storage_t) );
- if( !p_storage )
- return NULL;
- /* */
- p_storage->p_next = NULL;
- /* */
- p_storage->i_file_max = i_tmp_size_max;
- p_storage->i_file_size = 0;
- p_storage->p_filew = GetTmpFile( &p_storage->psz_file, psz_tmp_path );
- if( p_storage->psz_file )
- p_storage->p_filer = utf8_fopen( p_storage->psz_file, "rb" );
- /* */
- p_storage->i_cmd_w = 0;
- p_storage->i_cmd_r = 0;
- p_storage->i_cmd_max = 30000;
- p_storage->p_cmd = malloc( p_storage->i_cmd_max * sizeof(*p_storage->p_cmd) );
- //fprintf( stderr, "nSTORAGE name=%s size=%d kbytesn", p_storage->psz_file, p_storage->i_cmd_max * sizeof(*p_storage->p_cmd) /1024 );
- if( !p_storage->p_cmd || !p_storage->p_filew || !p_storage->p_filer )
- {
- TsStorageDelete( p_storage );
- return NULL;
- }
- return p_storage;
- }
- static void TsStorageDelete( ts_storage_t *p_storage )
- {
- while( p_storage->i_cmd_r < p_storage->i_cmd_w )
- {
- ts_cmd_t cmd;
- TsStoragePopCmd( p_storage, &cmd, true );
- CmdClean( &cmd );
- }
- free( p_storage->p_cmd );
- if( p_storage->p_filer )
- fclose( p_storage->p_filer );
- if( p_storage->p_filew )
- fclose( p_storage->p_filew );
- if( p_storage->psz_file )
- {
- utf8_unlink( p_storage->psz_file );
- free( p_storage->psz_file );
- }
- free( p_storage );
- }
- static void TsStoragePack( ts_storage_t *p_storage )
- {
- /* Try to release a bit of memory */
- if( p_storage->i_cmd_w >= p_storage->i_cmd_max )
- return;
- p_storage->i_cmd_max = __MAX( p_storage->i_cmd_w, 1 );
- ts_cmd_t *p_new = realloc( p_storage->p_cmd, p_storage->i_cmd_max * sizeof(*p_storage->p_cmd) );
- if( p_new )
- p_storage->p_cmd = p_new;
- }
- static bool TsStorageIsFull( ts_storage_t *p_storage, const ts_cmd_t *p_cmd )
- {
- if( p_cmd && p_cmd->i_type == C_SEND && p_storage->i_cmd_w > 0 )
- {
- size_t i_size = sizeof(*p_cmd->send.p_block) + p_cmd->send.p_block->i_buffer;
- if( p_storage->i_file_size + i_size >= p_storage->i_file_max )
- return true;
- }
- return p_storage->i_cmd_w >= p_storage->i_cmd_max;
- }
- static bool TsStorageIsEmpty( ts_storage_t *p_storage )
- {
- return !p_storage || p_storage->i_cmd_r >= p_storage->i_cmd_w;
- }
- static void TsStoragePushCmd( ts_storage_t *p_storage, const ts_cmd_t *p_cmd, bool b_flush )
- {
- ts_cmd_t cmd = *p_cmd;
- assert( !TsStorageIsFull( p_storage, p_cmd ) );
- if( cmd.i_type == C_SEND )
- {
- block_t *p_block = cmd.send.p_block;
- cmd.send.p_block = NULL;
- cmd.send.i_offset = ftell( p_storage->p_filew );
- if( fwrite( p_block, sizeof(*p_block), 1, p_storage->p_filew ) != 1 )
- {
- block_Release( p_block );
- return;
- }
- p_storage->i_file_size += sizeof(*p_block);
- if( p_block->i_buffer > 0 )
- {
- if( fwrite( p_block->p_buffer, p_block->i_buffer, 1, p_storage->p_filew ) != 1 )
- {
- block_Release( p_block );
- return;
- }
- }
- p_storage->i_file_size += p_block->i_buffer;
- block_Release( p_block );
- if( b_flush )
- fflush( p_storage->p_filew );
- }
- p_storage->p_cmd[p_storage->i_cmd_w++] = cmd;
- }
- static void TsStoragePopCmd( ts_storage_t *p_storage, ts_cmd_t *p_cmd, bool b_flush )
- {
- assert( !TsStorageIsEmpty( p_storage ) );
- *p_cmd = p_storage->p_cmd[p_storage->i_cmd_r++];
- if( p_cmd->i_type == C_SEND )
- {
- block_t block;
- if( !b_flush &&
- !fseek( p_storage->p_filer, p_cmd->send.i_offset, SEEK_SET ) &&
- fread( &block, sizeof(block), 1, p_storage->p_filer ) == 1 )
- {
- block_t *p_block = block_Alloc( block.i_buffer );
- if( p_block )
- {
- p_block->i_dts = block.i_dts;
- p_block->i_pts = block.i_pts;
- p_block->i_flags = block.i_flags;
- p_block->i_length = block.i_length;
- p_block->i_rate = block.i_rate;
- p_block->i_samples = block.i_samples;
- p_block->i_buffer = fread( p_block->p_buffer, 1, block.i_buffer, p_storage->p_filer );
- }
- p_cmd->send.p_block = p_block;
- }
- else
- {
- //fprintf( stderr, "TsStoragePopCmd: %mn" );
- p_cmd->send.p_block = block_Alloc( 1 );
- }
- }
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static void CmdClean( ts_cmd_t *p_cmd )
- {
- switch( p_cmd->i_type )
- {
- case C_ADD:
- CmdCleanAdd( p_cmd );
- break;
- case C_SEND:
- CmdCleanSend( p_cmd );
- break;
- case C_CONTROL:
- CmdCleanControl( p_cmd );
- break;
- case C_DEL:
- break;
- default:
- assert(0);
- break;
- }
- }
- static int CmdInitAdd( ts_cmd_t *p_cmd, es_out_id_t *p_es, const es_format_t *p_fmt, bool b_copy )
- {
- p_cmd->i_type = C_ADD;
- p_cmd->i_date = mdate();
- p_cmd->add.p_es = p_es;
- if( b_copy )
- {
- p_cmd->add.p_fmt = malloc( sizeof(*p_fmt) );
- if( !p_cmd->add.p_fmt )
- return VLC_EGENERIC;
- es_format_Copy( p_cmd->add.p_fmt, p_fmt );
- }
- else
- {
- p_cmd->add.p_fmt = (es_format_t*)p_fmt;
- }
- return VLC_SUCCESS;
- }
- static void CmdExecuteAdd( es_out_t *p_out, ts_cmd_t *p_cmd )
- {
- p_cmd->add.p_es->p_es = es_out_Add( p_out, p_cmd->add.p_fmt );
- }
- static void CmdCleanAdd( ts_cmd_t *p_cmd )
- {
- es_format_Clean( p_cmd->add.p_fmt );
- free( p_cmd->add.p_fmt );
- }
- static void CmdInitSend( ts_cmd_t *p_cmd, es_out_id_t *p_es, block_t *p_block )
- {
- p_cmd->i_type = C_SEND;
- p_cmd->i_date = mdate();
- p_cmd->send.p_es = p_es;
- p_cmd->send.p_block = p_block;
- }
- static int CmdExecuteSend( es_out_t *p_out, ts_cmd_t *p_cmd )
- {
- block_t *p_block = p_cmd->send.p_block;
- p_cmd->send.p_block = NULL;
- if( p_block )
- {
- if( p_cmd->send.p_es->p_es )
- return es_out_Send( p_out, p_cmd->send.p_es->p_es, p_block );
- block_Release( p_block );
- }
- return VLC_EGENERIC;
- }
- static void CmdCleanSend( ts_cmd_t *p_cmd )
- {
- if( p_cmd->send.p_block )
- block_Release( p_cmd->send.p_block );
- }
- static int CmdInitDel( ts_cmd_t *p_cmd, es_out_id_t *p_es )
- {
- p_cmd->i_type = C_DEL;
- p_cmd->i_date = mdate();
- p_cmd->del.p_es = p_es;
- return VLC_SUCCESS;
- }
- static void CmdExecuteDel( es_out_t *p_out, ts_cmd_t *p_cmd )
- {
- if( p_cmd->del.p_es->p_es )
- es_out_Del( p_out, p_cmd->del.p_es->p_es );
- free( p_cmd->del.p_es );
- }
- static int CmdInitControl( ts_cmd_t *p_cmd, int i_query, va_list args, bool b_copy )
- {
- p_cmd->i_type = C_CONTROL;
- p_cmd->i_date = mdate();
- p_cmd->control.i_query = i_query;
- switch( i_query )
- {
- /* Pass-through control */
- case ES_OUT_SET_ACTIVE: /* arg1= bool */
- p_cmd->control.b_bool = (bool)va_arg( args, int );
- break;
- case ES_OUT_SET_MODE: /* arg1= int */
- case ES_OUT_SET_GROUP: /* arg1= int */
- case ES_OUT_DEL_GROUP: /* arg1=int i_group */
- p_cmd->control.i_int = (int)va_arg( args, int );
- break;
- case ES_OUT_SET_PCR: /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
- case ES_OUT_SET_NEXT_DISPLAY_TIME: /* arg1=int64_t i_pts(microsecond) */
- p_cmd->control.i_i64 = (int64_t)va_arg( args, int64_t );
- break;
- case ES_OUT_SET_GROUP_PCR: /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
- p_cmd->control.int_i64.i_int = (int)va_arg( args, int );
- p_cmd->control.int_i64.i_i64 = (int64_t)va_arg( args, int64_t );
- break;
- case ES_OUT_SET_ES_SCRAMBLED_STATE:
- p_cmd->control.es_bool.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
- p_cmd->control.es_bool.b_bool = (bool)va_arg( args, int );
- break;
- case ES_OUT_RESET_PCR: /* no arg */
- break;
- case ES_OUT_SET_META: /* arg1=const vlc_meta_t* */
- case ES_OUT_SET_GROUP_META: /* arg1=int i_group arg2=vlc_meta_t* */
- {
- if( i_query == ES_OUT_SET_GROUP_META )
- p_cmd->control.int_meta.i_int = (int)va_arg( args, int );
- vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t * );
- if( b_copy )
- {
- p_cmd->control.int_meta.p_meta = vlc_meta_New();
- if( !p_cmd->control.int_meta.p_meta )
- return VLC_EGENERIC;
- vlc_meta_Merge( p_cmd->control.int_meta.p_meta, p_meta );
- }
- else
- {
- p_cmd->control.int_meta.p_meta = p_meta;
- }
- break;
- }
- case ES_OUT_SET_GROUP_EPG: /* arg1=int i_group arg2=vlc_epg_t* */
- {
- p_cmd->control.int_epg.i_int = (int)va_arg( args, int );
- vlc_epg_t *p_epg = (vlc_epg_t*)va_arg( args, vlc_epg_t * );
- if( b_copy )
- {
- p_cmd->control.int_epg.p_epg = vlc_epg_New( p_epg->psz_name );
- if( !p_cmd->control.int_epg.p_epg )
- return VLC_EGENERIC;
- for( int i = 0; i < p_epg->i_event; i++ )
- {
- vlc_epg_event_t *p_evt = p_epg->pp_event[i];
- vlc_epg_AddEvent( p_cmd->control.int_epg.p_epg,
- p_evt->i_start, p_evt->i_duration,
- p_evt->psz_name,
- p_evt->psz_short_description, p_evt->psz_description );
- }
- vlc_epg_SetCurrent( p_cmd->control.int_epg.p_epg,
- p_epg->p_current ? p_epg->p_current->i_start : -1 );
- }
- else
- {
- p_cmd->control.int_epg.p_epg = p_epg;
- }
- break;
- }
- /* Modified control */
- case ES_OUT_SET_ES: /* arg1= es_out_id_t* */
- case ES_OUT_RESTART_ES: /* arg1= es_out_id_t* */
- case ES_OUT_SET_ES_DEFAULT: /* arg1= es_out_id_t* */
- p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
- break;
- case ES_OUT_SET_ES_STATE:/* arg1= es_out_id_t* arg2=bool */
- p_cmd->control.es_bool.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
- p_cmd->control.es_bool.b_bool = (bool)va_arg( args, int );
- break;
- case ES_OUT_SET_ES_FMT: /* arg1= es_out_id_t* arg2=es_format_t* */
- {
- p_cmd->control.es_fmt.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
- es_format_t *p_fmt = (es_format_t*)va_arg( args, es_format_t * );
- if( b_copy )
- {
- p_cmd->control.es_fmt.p_fmt = malloc( sizeof(*p_fmt) );
- if( !p_cmd->control.es_fmt.p_fmt )
- return VLC_EGENERIC;
- es_format_Copy( p_cmd->control.es_fmt.p_fmt, p_fmt );
- }
- else
- {
- p_cmd->control.es_fmt.p_fmt = p_fmt;
- }
- break;
- }
- case ES_OUT_SET_TIMES:
- {
- double f_position = (double)va_arg( args, double );
- mtime_t i_time = (mtime_t)va_arg( args, mtime_t );
- mtime_t i_length = (mtime_t)va_arg( args, mtime_t );
- p_cmd->control.times.f_position = f_position;
- p_cmd->control.times.i_time = i_time;
- p_cmd->control.times.i_length = i_length;
- break;
- }
- case ES_OUT_SET_JITTER:
- {
- mtime_t i_pts_delay = (mtime_t)va_arg( args, mtime_t );
- int i_cr_average = (int)va_arg( args, int );
- p_cmd->control.jitter.i_pts_delay = i_pts_delay;
- p_cmd->control.jitter.i_cr_average = i_cr_average;
- break;
- }
- default:
- assert(0);
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- static int CmdExecuteControl( es_out_t *p_out, ts_cmd_t *p_cmd )
- {
- const int i_query = p_cmd->control.i_query;
- switch( i_query )
- {
- /* Pass-through control */
- case ES_OUT_SET_ACTIVE: /* arg1= bool */
- return es_out_Control( p_out, i_query, p_cmd->control.b_bool );
- case ES_OUT_SET_MODE: /* arg1= int */
- case ES_OUT_SET_GROUP: /* arg1= int */
- case ES_OUT_DEL_GROUP: /* arg1=int i_group */
- return es_out_Control( p_out, i_query, p_cmd->control.i_int );
- case ES_OUT_SET_PCR: /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
- case ES_OUT_SET_NEXT_DISPLAY_TIME: /* arg1=int64_t i_pts(microsecond) */
- return es_out_Control( p_out, i_query, p_cmd->control.i_i64 );
- case ES_OUT_SET_GROUP_PCR: /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
- return es_out_Control( p_out, i_query, p_cmd->control.int_i64.i_int,
- p_cmd->control.int_i64.i_i64 );
- case ES_OUT_RESET_PCR: /* no arg */
- return es_out_Control( p_out, i_query );
- case ES_OUT_SET_GROUP_META: /* arg1=int i_group arg2=vlc_meta_t* */
- return es_out_Control( p_out, i_query, p_cmd->control.int_meta.i_int,
- p_cmd->control.int_meta.p_meta );
- case ES_OUT_SET_GROUP_EPG: /* arg1=int i_group arg2=vlc_epg_t* */
- return es_out_Control( p_out, i_query, p_cmd->control.int_epg.i_int,
- p_cmd->control.int_epg.p_epg );
- case ES_OUT_SET_ES_SCRAMBLED_STATE: /* arg1=int es_out_id_t* arg2=bool */
- return es_out_Control( p_out, i_query, p_cmd->control.es_bool.p_es->p_es,
- p_cmd->control.es_bool.b_bool );
- case ES_OUT_SET_META: /* arg1=const vlc_meta_t* */
- return es_out_Control( p_out, i_query, p_cmd->control.int_meta.p_meta );
- /* Modified control */
- case ES_OUT_SET_ES: /* arg1= es_out_id_t* */
- case ES_OUT_RESTART_ES: /* arg1= es_out_id_t* */
- case ES_OUT_SET_ES_DEFAULT: /* arg1= es_out_id_t* */
- return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es );
- case ES_OUT_SET_ES_STATE:/* arg1= es_out_id_t* arg2=bool */
- return es_out_Control( p_out, i_query, p_cmd->control.es_bool.p_es->p_es,
- p_cmd->control.es_bool.b_bool );
- case ES_OUT_SET_ES_FMT: /* arg1= es_out_id_t* arg2=es_format_t* */
- return es_out_Control( p_out, i_query, p_cmd->control.es_fmt.p_es->p_es,
- p_cmd->control.es_fmt.p_fmt );
- case ES_OUT_SET_TIMES:
- return es_out_Control( p_out, i_query, p_cmd->control.times.f_position,
- p_cmd->control.times.i_time,
- p_cmd->control.times.i_length );
- case ES_OUT_SET_JITTER:
- return es_out_Control( p_out, i_query, p_cmd->control.jitter.i_pts_delay,
- p_cmd->control.jitter.i_cr_average );
- default:
- assert(0);
- return VLC_EGENERIC;
- }
- }
- static void CmdCleanControl( ts_cmd_t *p_cmd )
- {
- if( ( p_cmd->control.i_query == ES_OUT_SET_GROUP_META ||
- p_cmd->control.i_query == ES_OUT_SET_META ) &&
- p_cmd->control.int_meta.p_meta )
- {
- vlc_meta_Delete( p_cmd->control.int_meta.p_meta );
- }
- else if( p_cmd->control.i_query == ES_OUT_SET_GROUP_EPG &&
- p_cmd->control.int_epg.p_epg )
- {
- vlc_epg_Delete( p_cmd->control.int_epg.p_epg );
- }
- else if( p_cmd->control.i_query == ES_OUT_SET_ES_FMT &&
- p_cmd->control.es_fmt.p_fmt )
- {
- es_format_Clean( p_cmd->control.es_fmt.p_fmt );
- free( p_cmd->control.es_fmt.p_fmt );
- }
- }
- /*****************************************************************************
- * GetTmpFile/Path:
- *****************************************************************************/
- static char *GetTmpPath( char *psz_path )
- {
- if( psz_path && *psz_path )
- {
- /* Make sure that the path exists and is a directory */
- struct stat s;
- const int i_ret = utf8_stat( psz_path, &s );
- if( i_ret < 0 && !utf8_mkdir( psz_path, 0600 ) )
- return psz_path;
- else if( i_ret == 0 && ( s.st_mode & S_IFDIR ) )
- return psz_path;
- }
- free( psz_path );
- /* Create a suitable path */
- #if defined (WIN32) && !defined (UNDER_CE)
- const DWORD dwCount = GetTempPathW( 0, NULL );
- wchar_t *psw_path = calloc( dwCount + 1, sizeof(wchar_t) );
- if( psw_path )
- {
- if( GetTempPathW( dwCount + 1, psw_path ) <= 0 )
- {
- free( psw_path );
- psw_path = _wgetcwd( NULL, 0 );
- }
- }
- psz_path = NULL;
- if( psw_path )
- {
- psz_path = FromWide( psw_path );
- while( psz_path && *psz_path && psz_path[strlen( psz_path ) - 1] == '\' )
- psz_path[strlen( psz_path ) - 1] = ' ';
- free( psw_path );
- }
- if( !psz_path || *psz_path == ' ' )
- {
- free( psz_path );
- return strdup( "C:" );
- }
- #else
- psz_path = strdup( "/tmp" );
- #endif
- return psz_path;
- }
- static FILE *GetTmpFile( char **ppsz_file, const char *psz_path )
- {
- char *psz_name;
- int fd;
- FILE *f;
- /* */
- *ppsz_file = NULL;
- if( asprintf( &psz_name, "%s/vlc-timeshift.XXXXXX", psz_path ) < 0 )
- return NULL;
- /* */
- fd = utf8_mkstemp( psz_name );
- *ppsz_file = psz_name;
- if( fd < 0 )
- return NULL;
- /* */
- f = fdopen( fd, "w+b" );
- if( !f )
- close( fd );
- return f;
- }