/***************************************************************************** * vlc_vlm.h: VLM core structures ***************************************************************************** * Copyright (C) 2000, 2001 the VideoLAN team * $Id$ * * Authors: Simon Latapie * 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. *****************************************************************************/ #if !defined( __LIBVLC__ ) #error You are not libvlc or one of its plugins. You cannot include this file #endif #ifndef _VLC_VLM_H #define _VLC_VLM_H 1 #include /* VLM media */ typedef struct { int64_t id; vlc_bool_t b_enabled; /* */ char *psz_name; /* */ int i_input; char **ppsz_input; int i_option; char **ppsz_option; char *psz_output; /* */ vlc_bool_t b_vod; struct { vlc_bool_t b_loop; } broadcast; struct { char *psz_mux; } vod; } vlm_media_t; /* VLM media instance */ typedef struct { char *psz_name; int64_t i_time; int64_t i_length; double d_position; vlc_bool_t b_paused; int i_rate; // normal is INPUT_RATE_DEFAULT } vlm_media_instance_t; #if 0 typedef struct { } vlm_schedule_t #endif /* VLM control query */ enum vlm_query_e { /* --- Media control */ /* Get all medias */ VLM_GET_MEDIAS, /* arg1=vlm_media_t ***, int *pi_media */ /* Delete all medias */ VLM_CLEAR_MEDIAS, /* no arg */ /* Add a new media */ VLM_ADD_MEDIA, /* arg1=vlm_media_t* arg2=int64_t *p_id res=can fail */ /* Delete an existing media */ VLM_DEL_MEDIA, /* arg1=int64_t id */ /* Change properties of an existing media (all fields but id and b_vod) */ VLM_CHANGE_MEDIA, /* arg1=vlm_media_t* res=can fail */ /* Get 1 media by it's ID */ VLM_GET_MEDIA, /* arg1=int64_t id arg2=vlm_media_t ** */ /* Get media ID from its name */ VLM_GET_MEDIA_ID, /* arg1=const char *psz_name arg2=int64_t* */ /* Media instance control XXX VOD control are for internal use only */ /* Get all media instances */ VLM_GET_MEDIA_INSTANCES, /* arg1=int64_t id arg2=vlm_media_instance_t *** arg3=int *pi_instance */ /* Delete all media instances */ VLM_CLEAR_MEDIA_INSTANCES, /* arg1=int64_t id */ /* Control broadcast instance */ VLM_START_MEDIA_BROADCAST_INSTANCE, /* arg1=int64_t id, arg2=const char *psz_instance_name, int i_input_index res=can fail */ /* Control VOD instance */ VLM_START_MEDIA_VOD_INSTANCE, /* arg1=int64_t id, arg2=const char *psz_instance_name, int i_input_index char *psz_vod_output res=can fail */ /* Stop an instance */ VLM_STOP_MEDIA_INSTANCE, /* arg1=int64_t id, arg2=const char *psz_instance_name res=can fail */ /* Pause an instance */ VLM_PAUSE_MEDIA_INSTANCE, /* arg1=int64_t id, arg2=const char *psz_instance_name res=can fail */ /* Get instance position time (in microsecond) */ VLM_GET_MEDIA_INSTANCE_TIME, /* arg1=int64_t id, arg2=const char *psz_instance_name arg3=int64_t * */ /* Set instance position time (in microsecond) */ VLM_SET_MEDIA_INSTANCE_TIME, /* arg1=int64_t id, arg2=const char *psz_instance_name arg3=int64_t */ /* Get instance position ([0.0 .. 1.0]) */ VLM_GET_MEDIA_INSTANCE_POSITION, /* arg1=int64_t id, arg2=const char *psz_instance_name arg3=double * */ /* Set instance position ([0.0 .. 1.0]) */ VLM_SET_MEDIA_INSTANCE_POSITION, /* arg1=int64_t id, arg2=const char *psz_instance_name arg3=double */ /* Schedule control */ VLM_CLEAR_SCHEDULES, /* no arg */ /* TODO: missing schedule control */ /* */ }; /* VLM specific - structures and functions */ /* ok, here is the structure of a vlm_message: The parent node is ( name_of_the_command , NULL ), or ( name_of_the_command , message_error ) on error. If a node has children, it should not have a value (=NULL).*/ struct vlm_message_t { char *psz_name; char *psz_value; int i_child; vlm_message_t **child; }; #ifdef __cpluplus extern "C" { #endif #define vlm_New( a ) __vlm_New( VLC_OBJECT(a) ) VLC_EXPORT( vlm_t *, __vlm_New, ( vlc_object_t * ) ); VLC_EXPORT( void, vlm_Delete, ( vlm_t * ) ); VLC_EXPORT( int, vlm_ExecuteCommand, ( vlm_t *, const char *, vlm_message_t ** ) ); VLC_EXPORT( int, vlm_Control, ( vlm_t *p_vlm, int i_query, ... ) ); VLC_EXPORT( vlm_message_t *, vlm_MessageNew, ( const char *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) ); VLC_EXPORT( vlm_message_t *, vlm_MessageAdd, ( vlm_message_t *, vlm_message_t * ) ); VLC_EXPORT( void, vlm_MessageDelete, ( vlm_message_t * ) ); /* media helpers */ static inline void vlm_media_Init( vlm_media_t *p_media ) { memset( p_media, 0, sizeof(vlm_media_t) ); p_media->id = 0; // invalid id p_media->psz_name = NULL; TAB_INIT( p_media->i_input, p_media->ppsz_input ); TAB_INIT( p_media->i_option, p_media->ppsz_option ); p_media->psz_output = NULL; p_media->b_vod = VLC_FALSE; p_media->vod.psz_mux = NULL; p_media->broadcast.b_loop = VLC_FALSE; } static inline void vlm_media_Copy( vlm_media_t *p_dst, vlm_media_t *p_src ) { int i; memset( p_dst, 0, sizeof(vlm_media_t) ); p_dst->id = p_src->id; p_dst->b_enabled = p_src->b_enabled; if( p_src->psz_name ) p_dst->psz_name = strdup( p_src->psz_name ); for( i = 0; i < p_src->i_input; i++ ) TAB_APPEND_CPP( char, p_dst->i_input, p_dst->ppsz_input, strdup(p_src->ppsz_input[i]) ); for( i = 0; i < p_src->i_option; i++ ) TAB_APPEND_CPP( char, p_dst->i_option, p_dst->ppsz_option, strdup(p_src->ppsz_option[i]) ); if( p_src->psz_output ) p_dst->psz_output = strdup( p_src->psz_output ); p_dst->b_vod = p_src->b_vod; if( p_src->b_vod ) { if( p_src->vod.psz_mux ) p_dst->vod.psz_mux = strdup( p_src->vod.psz_mux ); } else { p_dst->broadcast.b_loop = p_src->broadcast.b_loop; } } static inline void vlm_media_Clean( vlm_media_t *p_media ) { int i; free( p_media->psz_name ); for( i = 0; i < p_media->i_input; i++ ) free( p_media->ppsz_input[i]) ; TAB_CLEAN(p_media->i_input, p_media->ppsz_input ); for( i = 0; i < p_media->i_option; i++ ) free( p_media->ppsz_option[i]) ; TAB_CLEAN(p_media->i_option, p_media->ppsz_option ); free( p_media->psz_output ); if( p_media->b_vod ) free( p_media->vod.psz_mux ); } static inline vlm_media_t *vlm_media_New(void) { vlm_media_t *p_media = (vlm_media_t *)malloc( sizeof(vlm_media_t) ); if( p_media ) vlm_media_Init( p_media ); return p_media; } static inline void vlm_media_Delete( vlm_media_t *p_media ) { vlm_media_Clean( p_media ); free( p_media ); } static inline vlm_media_t *vlm_media_Duplicate( vlm_media_t *p_src ) { vlm_media_t *p_dst = vlm_media_New(); if( p_dst ) vlm_media_Copy( p_dst, p_src ); return p_dst; } /* media instance helpers */ static inline void vlm_media_instance_Init( vlm_media_instance_t *p_instance ) { memset( p_instance, 0, sizeof(vlm_media_instance_t) ); p_instance->psz_name = NULL; p_instance->i_time = 0; p_instance->i_length = 0; p_instance->d_position = 0.0; p_instance->b_paused = VLC_FALSE; p_instance->i_rate = INPUT_RATE_DEFAULT; } static inline void vlm_media_instance_Clean( vlm_media_instance_t *p_instance ) { free( p_instance->psz_name ); } static inline vlm_media_instance_t *vlm_media_instance_New(void) { vlm_media_instance_t *p_instance = (vlm_media_instance_t *) malloc( sizeof(vlm_media_instance_t) ); if( p_instance ) vlm_media_instance_Init( p_instance ); return p_instance; } static inline void vlm_media_instance_Delete( vlm_media_instance_t *p_instance ) { vlm_media_instance_Clean( p_instance ); free( p_instance ); } #ifdef __cpluplus } #endif #endif