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Commit d0967dc4 authored by Laurent Aimar's avatar Laurent Aimar
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Converted clone to "video splitter".

parent c9b7fad4
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Showing with 83 additions and 321 deletions
modules/video_filter/clone.c
View file @ d0967dc4
/*****************************************************************************
* 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>
......@@ -31,28 +31,7 @@
#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 FullscreenEventUp( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int FullscreenEventDown( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
#include <vlc_video_splitter.h>
/*****************************************************************************
* Module descriptor
......@@ -67,9 +46,12 @@ static int FullscreenEventDown( vlc_object_t *, char const *,
#define CFG_PREFIX "clone-"
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin ()
set_description( N_("Clone video filter") )
set_capability( "video filter", 0 )
set_capability( "video splitter", 0 )
set_shortname( N_("Clone" ))
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_VFILTER )
......@@ -78,110 +60,62 @@ vlc_module_begin ()
add_string ( CFG_PREFIX "vout-list", NULL, NULL, VOUTLIST_TEXT, VOUTLIST_LONGTEXT, true )
add_shortcut( "clone" )
set_callbacks( Create, Destroy )
set_callbacks( Open, Close )
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static const char *const ppsz_filter_options[] = {
"count", "vout-list", NULL
};
/*****************************************************************************
* 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.
*****************************************************************************/
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;
};
#define VOUTSEPARATOR ','
/*****************************************************************************
* 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;
}
static int Filter( video_splitter_t *, picture_t *pp_dst[], picture_t * );
/*****************************************************************************
* Create: allocates Clone video thread output method
*****************************************************************************
* This function allocates and initializes a Clone vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
/**
* This function allocates and initializes a Clone splitter module
*/
static int Open( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
char *psz_clonelist;
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
return VLC_ENOMEM;
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;
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,
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 )
{
free( psz_clonelist );
free( p_vout->p_sys );
return VLC_ENOMEM;
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 );
......@@ -190,244 +124,68 @@ static int Create( vlc_object_t *p_this )
{
/* 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_splitter->i_output = var_CreateGetInteger( p_splitter, CFG_PREFIX "count" );
if( p_splitter->i_output <= 0 )
p_splitter->i_output = 1;
p_vout->p_sys->i_clones = __MAX( 1, __MIN( 99, p_vout->p_sys->i_clones ) );
p_splitter->p_output = calloc( p_splitter->i_output,
sizeof(*p_splitter->p_output) );
msg_Dbg( p_vout, "spawning %i clone(s)", p_vout->p_sys->i_clones );
if( !p_splitter->p_output )
return VLC_EGENERIC;
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 )
{
free( p_vout->p_sys );
return VLC_ENOMEM;
for( int i = 0; i < p_splitter->i_output; i++ )
p_splitter->p_output[i].psz_module = NULL;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Init: initialize Clone video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
int i_vout;
char *psz_default_vout;
video_format_t fmt;
I_OUTPUTPICTURES = 0;
memset( &fmt, 0, sizeof(video_format_t) );
/* 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;
/* 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++ )
/* */
for( int i = 0; i < p_splitter->i_output; i++ )
{
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 );
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 = -1;
p_cfg->window.i_y = -1;
p_cfg->window.i_align = 0;
}
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 );
return VLC_EGENERIC;
}
vout_filter_SetupChild( p_vout, p_vout->p_sys->pp_vout[i_vout],
NULL, FullscreenEventUp, FullscreenEventDown, true );
}
/* */
p_splitter->pf_filter = Filter;
p_splitter->pf_mouse = NULL;
free( psz_default_vout );
vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
msg_Dbg( p_splitter, "spawning %i clone(s)", p_splitter->i_output );
return VLC_SUCCESS;
}
/*****************************************************************************
* End: terminate Clone video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
RemoveAllVout( p_vout );
vout_filter_ReleaseDirectBuffers( p_vout );
}
/*****************************************************************************
* 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;
free( p_vout->p_sys->pp_vout );
free( p_vout->p_sys );
}
/*****************************************************************************
* 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 )
{
picture_t *p_outpic = NULL;
int i_vout, i_plane;
for( i_vout = 0; i_vout < p_vout->p_sys->i_clones; i_vout++ )
{
while( ( p_outpic =
vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ], 0, 0, 0 )
) == NULL )
{
if( !vlc_object_alive (p_vout) || p_vout->b_error )
{
vout_DestroyPicture(
p_vout->p_sys->pp_vout[ i_vout ], p_outpic );
return;
}
msleep( VOUT_OUTMEM_SLEEP );
}
p_outpic->date = p_pic->date;
vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ], p_outpic );
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 );
}
}
/*****************************************************************************
* RemoveAllVout: destroy all the child video output threads
*****************************************************************************/
static void RemoveAllVout( vout_thread_t *p_vout )
/**
* This function closes a clone video splitter module
*/
static void Close( vlc_object_t *p_this )
{
vout_sys_t *p_sys = p_vout->p_sys;
video_splitter_t *p_splitter = (video_splitter_t*)p_this;
while( p_sys->i_clones )
for( int i = 0; i < p_splitter->i_output; i++ )
{
p_sys->i_clones--;
video_splitter_output_t *p_cfg = &p_splitter->p_output[i];
vout_filter_SetupChild( p_vout, p_sys->pp_vout[p_sys->i_clones],
NULL, FullscreenEventUp, FullscreenEventDown, false );
vout_CloseAndRelease( p_sys->pp_vout[p_sys->i_clones] );
free( p_cfg->psz_module );
video_format_Clean( &p_cfg->fmt );
}
free( p_splitter->p_output );
}
/**
* Forward fullscreen event to/from the childrens.
* FIXME pretty much duplicated from wall.c
* This function filter a picture
*/
static bool IsFullscreenActive( vout_thread_t *p_vout )
static int Filter( video_splitter_t *p_splitter,
picture_t *pp_dst[], picture_t *p_src )
{
vout_sys_t *p_sys = p_vout->p_sys;
for( int i = 0; i < p_sys->i_clones; i++ )
{
if( var_GetBool( p_sys->pp_vout[i], "fullscreen" ) )
return true;
}
return false;
}
static int FullscreenEventUp( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
vout_thread_t *p_vout = p_data;
VLC_UNUSED(oldval); VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(newval);
const bool b_fullscreen = IsFullscreenActive( p_vout );
if( !var_GetBool( p_vout, "fullscreen" ) != !b_fullscreen )
return var_SetBool( p_vout, "fullscreen", b_fullscreen );
return VLC_SUCCESS;
}
static int FullscreenEventDown( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
vout_thread_t *p_vout = (vout_thread_t*)p_this;
vout_sys_t *p_sys = p_vout->p_sys;
VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(psz_var);
if( video_splitter_NewPicture( p_splitter, pp_dst ) )
return VLC_EGENERIC;
const bool b_fullscreen = IsFullscreenActive( p_vout );
if( !b_fullscreen != !newval.b_bool )
{
for( int i = 0; i < p_sys->i_clones; i++ )
{
vout_thread_t *p_child = p_sys->pp_vout[i];
if( !var_GetBool( p_child, "fullscreen" ) != !newval.b_bool )
{
var_SetBool( p_child, "fullscreen", newval.b_bool );
if( newval.b_bool )
return VLC_SUCCESS;
}
}
}
for( int i = 0; i < p_splitter->i_output; i++ )
picture_Copy( pp_dst[i], p_src );
picture_Release( p_src );
return VLC_SUCCESS;
}
modules/video_filter/wrapper.c
View file @ d0967dc4
......@@ -50,6 +50,7 @@ static void Close( vlc_object_t * );
DECLARE_OPEN(magnify, true)
DECLARE_OPEN(puzzle, true)
DECLARE_OPEN(logo, true)
DECLARE_OPEN(clone, false)
#undef DECLARE_OPEN
......@@ -72,6 +73,9 @@ vlc_module_begin()
add_submodule()
DECLARE_MODULE(logo)
add_submodule()
DECLARE_MODULE(clone)
vlc_module_end()
#undef DECLARE_MODULE
......
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