/*****************************************************************************
* clone.c : Clone video plugin for vlc
*****************************************************************************
- * Copyright (C) 2002, 2003 the VideoLAN team
+ * Copyright (C) 2002-2009 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
# include "config.h"
#endif
-#include <vlc/vlc.h>
+#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_vout.h>
-
-#include "filter_common.h"
-
-#define VOUTSEPARATOR ','
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Create ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-
-static int Init ( vout_thread_t * );
-static void End ( vout_thread_t * );
-static void Render ( vout_thread_t *, picture_t * );
-
-static void RemoveAllVout ( vout_thread_t *p_vout );
-
-static int SendEvents( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
+#include <vlc_video_splitter.h>
/*****************************************************************************
* Module descriptor
#define VOUTLIST_LONGTEXT N_("You can use specific video output modules " \
"for the clones. Use a comma-separated list of modules." )
+#define CLONE_HELP N_("Duplicate your video to multiple windows " \
+ "and/or video output modules")
#define CFG_PREFIX "clone-"
-vlc_module_begin();
- set_description( _("Clone video filter") );
- set_capability( "video filter", 0 );
- set_shortname( _("Clone" ));
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_VFILTER );
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
- add_integer( CFG_PREFIX "count", 2, NULL, COUNT_TEXT, COUNT_LONGTEXT, false );
- add_string ( CFG_PREFIX "vout-list", NULL, NULL, VOUTLIST_TEXT, VOUTLIST_LONGTEXT, true );
+vlc_module_begin ()
+ set_description( N_("Clone video filter") )
+ set_capability( "video splitter", 0 )
+ set_shortname( N_("Clone" ))
+ set_help(CLONE_HELP)
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_VFILTER )
- add_shortcut( "clone" );
- set_callbacks( Create, Destroy );
-vlc_module_end();
+ add_integer( CFG_PREFIX "count", 2, NULL, COUNT_TEXT, COUNT_LONGTEXT, false )
+ add_string ( CFG_PREFIX "vout-list", NULL, NULL, VOUTLIST_TEXT, VOUTLIST_LONGTEXT, true )
-static const char *ppsz_filter_options[] = {
- "count", "vout-list", NULL
-};
+ add_shortcut( "clone" )
+ set_callbacks( Open, Close )
+vlc_module_end ()
/*****************************************************************************
- * vout_sys_t: Clone video output method descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the Clone specific properties of an output thread.
+ * Local prototypes
*****************************************************************************/
-struct vout_sys_t
-{
- int i_clones;
-
- /* list of vout modules to use. "default" will launch a default
- * module. If specified, overrides the setting in i_clones (which it
- * sets to the list length) */
- char **ppsz_vout_list;
-
- vout_thread_t **pp_vout;
+static const char *const ppsz_filter_options[] = {
+ "count", "vout-list", NULL
};
-/*****************************************************************************
- * Control: control facility for the vout (forwards to child vout)
- *****************************************************************************/
-static int Control( vout_thread_t *p_vout, int i_query, va_list args )
-{
- int i_vout;
- for( i_vout = 0; i_vout < p_vout->p_sys->i_clones; i_vout++ )
- {
- vout_vaControl( p_vout->p_sys->pp_vout[ i_vout ], i_query, args );
- }
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Create: allocates Clone video thread output method
- *****************************************************************************
- * This function allocates and initializes a Clone vout method.
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- char *psz_clonelist;
+#define VOUTSEPARATOR ','
- /* Allocate structure */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_vout->p_sys == NULL )
- {
- msg_Err( p_vout, "out of memory" );
- return VLC_ENOMEM;
- }
+static int Filter( video_splitter_t *, picture_t *pp_dst[], picture_t * );
- p_vout->pf_init = Init;
- p_vout->pf_end = End;
- p_vout->pf_manage = NULL;
- p_vout->pf_render = Render;
- p_vout->pf_display = NULL;
- p_vout->pf_control = Control;
+/**
+ * This function allocates and initializes a Clone splitter module
+ */
+static int Open( vlc_object_t *p_this )
+{
+ video_splitter_t *p_splitter = (video_splitter_t*)p_this;
- config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
- p_vout->p_cfg );
+ config_ChainParse( p_splitter, CFG_PREFIX, ppsz_filter_options,
+ p_splitter->p_cfg );
- psz_clonelist = var_CreateGetNonEmptyString( p_vout,
- CFG_PREFIX "vout-list" );
+ char *psz_clonelist = var_CreateGetNonEmptyString( p_splitter,
+ CFG_PREFIX "vout-list" );
if( psz_clonelist )
{
- int i_dummy;
- char *psz_token;
-
/* Count the number of defined vout */
- p_vout->p_sys->i_clones = 1;
- i_dummy = 0;
- while( psz_clonelist[i_dummy] != 0 )
+ p_splitter->i_output = 1;
+ for( int i = 0; psz_clonelist[i]; i++ )
{
- if( psz_clonelist[i_dummy] == VOUTSEPARATOR )
- p_vout->p_sys->i_clones++;
- i_dummy++;
+ if( psz_clonelist[i] == VOUTSEPARATOR )
+ p_splitter->i_output++;
}
- p_vout->p_sys->ppsz_vout_list = malloc( p_vout->p_sys->i_clones
- * sizeof(char *) );
- if( !p_vout->p_sys->ppsz_vout_list )
+ /* */
+ p_splitter->p_output = calloc( p_splitter->i_output,
+ sizeof(*p_splitter->p_output) );
+ if( !p_splitter->p_output )
{
- msg_Err( p_vout, "out of memory" );
- free( p_vout->p_sys );
- return VLC_ENOMEM;
+ free( psz_clonelist );
+ return VLC_EGENERIC;
}
/* Tokenize the list */
- i_dummy = 0;
- psz_token = psz_clonelist;
- while( psz_token && *psz_token )
+ char *psz_tmp = psz_clonelist;
+ for( int i = 0; psz_tmp && *psz_tmp; i++ )
{
- char *psz_module;
- psz_module = psz_token;
- psz_token = strchr( psz_module, VOUTSEPARATOR );
- if( psz_token )
- {
- *psz_token = '\0';
- psz_token++;
- }
- p_vout->p_sys->ppsz_vout_list[i_dummy] = strdup( psz_module );
- i_dummy++;
+ char *psz_new = strchr( psz_tmp, VOUTSEPARATOR );
+ if( psz_new )
+ *psz_new++ = '\0';
+
+ p_splitter->p_output[i].psz_module = strdup( psz_tmp );
+
+ psz_tmp = psz_new;
}
free( psz_clonelist );
{
/* No list was specified. We will use the default vout, and get
* the number of clones from clone-count */
- p_vout->p_sys->i_clones =
- var_CreateGetInteger( p_vout, CFG_PREFIX "count" );
- p_vout->p_sys->ppsz_vout_list = NULL;
- }
-
- p_vout->p_sys->i_clones = __MAX( 1, __MIN( 99, p_vout->p_sys->i_clones ) );
-
- msg_Dbg( p_vout, "spawning %i clone(s)", p_vout->p_sys->i_clones );
-
- p_vout->p_sys->pp_vout = malloc( p_vout->p_sys->i_clones *
- sizeof(vout_thread_t *) );
- if( p_vout->p_sys->pp_vout == NULL )
- {
- msg_Err( p_vout, "out of memory" );
- free( p_vout->p_sys );
- return VLC_ENOMEM;
- }
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Init: initialize Clone video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index, i_vout;
- picture_t *p_pic;
- char *psz_default_vout;
- video_format_t fmt;
-
- I_OUTPUTPICTURES = 0;
- memset( &fmt, 0, sizeof(video_format_t) );
+ p_splitter->i_output = var_CreateGetInteger( p_splitter, CFG_PREFIX "count" );
+ if( p_splitter->i_output <= 0 )
+ p_splitter->i_output = 1;
- /* Initialize the output structure */
- p_vout->output.i_chroma = p_vout->render.i_chroma;
- p_vout->output.i_width = p_vout->render.i_width;
- p_vout->output.i_height = p_vout->render.i_height;
- p_vout->output.i_aspect = p_vout->render.i_aspect;
- p_vout->fmt_out = p_vout->fmt_in;
- fmt = p_vout->fmt_out;
+ p_splitter->p_output = calloc( p_splitter->i_output,
+ sizeof(*p_splitter->p_output) );
- /* Try to open the real video output */
- msg_Dbg( p_vout, "spawning the real video outputs" );
-
- /* Save the default vout */
- psz_default_vout = config_GetPsz( p_vout, "vout" );
-
- for( i_vout = 0; i_vout < p_vout->p_sys->i_clones; i_vout++ )
- {
- if( p_vout->p_sys->ppsz_vout_list == NULL
- || ( !strncmp( p_vout->p_sys->ppsz_vout_list[i_vout],
- "default", 8 ) ) )
- {
- p_vout->p_sys->pp_vout[i_vout] =
- vout_Create( p_vout, &fmt );
- }
- else
- {
- /* create the appropriate vout instead of the default one */
- config_PutPsz( p_vout, "vout",
- p_vout->p_sys->ppsz_vout_list[i_vout] );
- p_vout->p_sys->pp_vout[i_vout] =
- vout_Create( p_vout, &fmt );
-
- /* Reset the default value */
- config_PutPsz( p_vout, "vout", psz_default_vout );
- }
-
- if( p_vout->p_sys->pp_vout[ i_vout ] == NULL )
- {
- msg_Err( p_vout, "failed to clone %i vout threads",
- p_vout->p_sys->i_clones );
- p_vout->p_sys->i_clones = i_vout;
- free( psz_default_vout );
- RemoveAllVout( p_vout );
+ if( !p_splitter->p_output )
return VLC_EGENERIC;
- }
- ADD_CALLBACKS( p_vout->p_sys->pp_vout[ i_vout ], SendEvents );
+ for( int i = 0; i < p_splitter->i_output; i++ )
+ p_splitter->p_output[i].psz_module = NULL;
}
- free( psz_default_vout );
- ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
-
- ADD_PARENT_CALLBACKS( SendEventsToChild );
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * End: terminate Clone video thread output method
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
-{
- int i_index;
-
- /* Free the fake output buffers we allocated */
- for( i_index = I_OUTPUTPICTURES ; i_index ; )
+ /* */
+ for( int i = 0; i < p_splitter->i_output; i++ )
{
- i_index--;
- free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
+ video_splitter_output_t *p_cfg = &p_splitter->p_output[i];
+ video_format_Copy( &p_cfg->fmt, &p_splitter->fmt );
+ p_cfg->window.i_x = 0;
+ p_cfg->window.i_y = 0;
+ p_cfg->window.i_align = 0;
}
-}
-/*****************************************************************************
- * Destroy: destroy Clone video thread output method
- *****************************************************************************
- * Terminate an output method created by CloneCreateOutputMethod
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- RemoveAllVout( p_vout );
+ /* */
+ p_splitter->pf_filter = Filter;
+ p_splitter->pf_mouse = NULL;
- DEL_PARENT_CALLBACKS( SendEventsToChild );
+ msg_Dbg( p_splitter, "spawning %i clone(s)", p_splitter->i_output );
- free( p_vout->p_sys->pp_vout );
- free( p_vout->p_sys );
+ return VLC_SUCCESS;
}
-/*****************************************************************************
- * Render: displays previously rendered output
- *****************************************************************************
- * This function send the currently rendered image to Clone image, waits
- * until it is displayed and switch the two rendering buffers, preparing next
- * frame.
- *****************************************************************************/
-static void Render( vout_thread_t *p_vout, picture_t *p_pic )
+/**
+ * This function closes a clone video splitter module
+ */
+static void Close( vlc_object_t *p_this )
{
- picture_t *p_outpic = NULL;
- int i_vout, i_plane;
+ video_splitter_t *p_splitter = (video_splitter_t*)p_this;
- for( i_vout = 0; i_vout < p_vout->p_sys->i_clones; i_vout++ )
+ for( int i = 0; i < p_splitter->i_output; i++ )
{
- while( ( p_outpic =
- vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ], 0, 0, 0 )
- ) == NULL )
- {
- if( p_vout->b_die || p_vout->b_error )
- {
- vout_DestroyPicture(
- p_vout->p_sys->pp_vout[ i_vout ], p_outpic );
- return;
- }
-
- msleep( VOUT_OUTMEM_SLEEP );
- }
-
- vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ],
- p_outpic, p_pic->date );
- vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ], p_outpic );
+ video_splitter_output_t *p_cfg = &p_splitter->p_output[i];
- for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
- {
- uint8_t *p_in, *p_in_end, *p_out;
- int i_in_pitch = p_pic->p[i_plane].i_pitch;
- const int i_out_pitch = p_outpic->p[i_plane].i_pitch;
- const int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
-
- p_in = p_pic->p[i_plane].p_pixels;
- p_out = p_outpic->p[i_plane].p_pixels;
-
- if( i_in_pitch == i_copy_pitch
- && i_out_pitch == i_copy_pitch )
- {
- vlc_memcpy( p_out, p_in, i_in_pitch
- * p_outpic->p[i_plane].i_visible_lines );
- }
- else
- {
- p_in_end = p_in + i_in_pitch *
- p_outpic->p[i_plane].i_visible_lines;
-
- while( p_in < p_in_end )
- {
- vlc_memcpy( p_out, p_in, i_copy_pitch );
- p_in += i_in_pitch;
- p_out += i_out_pitch;
- }
- }
- }
-
- vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ], p_outpic );
- vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ], p_outpic );
+ free( p_cfg->psz_module );
+ video_format_Clean( &p_cfg->fmt );
}
+ free( p_splitter->p_output );
}
-/*****************************************************************************
- * RemoveAllVout: destroy all the child video output threads
- *****************************************************************************/
-static void RemoveAllVout( vout_thread_t *p_vout )
+/**
+ * This function filter a picture
+ */
+static int Filter( video_splitter_t *p_splitter,
+ picture_t *pp_dst[], picture_t *p_src )
{
- while( p_vout->p_sys->i_clones )
+ if( video_splitter_NewPicture( p_splitter, pp_dst ) )
{
- --p_vout->p_sys->i_clones;
- DEL_CALLBACKS( p_vout->p_sys->pp_vout[p_vout->p_sys->i_clones],
- SendEvents );
- vlc_object_detach( p_vout->p_sys->pp_vout[p_vout->p_sys->i_clones] );
- vout_Destroy( p_vout->p_sys->pp_vout[p_vout->p_sys->i_clones] );
+ picture_Release( p_src );
+ return VLC_EGENERIC;
}
-}
-/*****************************************************************************
- * SendEvents: forward mouse and keyboard events to the parent p_vout
- *****************************************************************************/
-static int SendEvents( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- VLC_UNUSED(p_this); VLC_UNUSED(oldval);
- var_Set( (vlc_object_t *)p_data, psz_var, newval );
+ for( int i = 0; i < p_splitter->i_output; i++ )
+ picture_Copy( pp_dst[i], p_src );
+ picture_Release( p_src );
return VLC_SUCCESS;
}
-/*****************************************************************************
- * SendEventsToChild: forward events to the child/children vout
- *****************************************************************************/
-static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- VLC_UNUSED(p_data); VLC_UNUSED(oldval);
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- int i_vout;
-
- for( i_vout = 0; i_vout < p_vout->p_sys->i_clones; i_vout++ )
- {
- var_Set( p_vout->p_sys->pp_vout[ i_vout ], psz_var, newval );
-
- if( !strcmp( psz_var, "fullscreen" ) ) break;
- }
-
- return VLC_SUCCESS;
-}