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vlc-2-2
Commit 8777d28f authored by Antoine Cellerier's avatar Antoine Cellerier
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Invert is now a "video filter2"

parent ae0b191d
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Showing with 33 additions and 135 deletions
modules/video_filter/invert.c
View file @ 8777d28f
/*****************************************************************************
* invert.c : Invert video plugin for vlc
*****************************************************************************
* Copyright (C) 2000, 2001, 2002, 2003 the VideoLAN team
* Copyright (C) 2000-2006 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
......@@ -28,22 +28,18 @@
#include <string.h>
#include <vlc/vlc.h>
#include <vlc/vout.h>
#include <vlc/sout.h>
#include <vlc/decoder.h>
#include "filter_common.h"
#include "vlc_filter.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
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 int SendEvents( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static picture_t *Filter( filter_t *, picture_t * );
/*****************************************************************************
* Module descriptor
......@@ -52,8 +48,8 @@ vlc_module_begin();
set_description( _("Invert video filter") );
set_shortname( N_("Color inversion" ));
set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VFILTER );
set_capability( "video filter", 0 );
set_subcategory( SUBCAT_VIDEO_VFILTER2 );
set_capability( "video filter2", 0 );
add_shortcut( "invert" );
set_callbacks( Create, Destroy );
vlc_module_end();
......@@ -64,19 +60,10 @@ vlc_module_end();
* This structure is part of the video output thread descriptor.
* It describes the Invert specific properties of an output thread.
*****************************************************************************/
struct vout_sys_t
struct filter_sys_t
{
vout_thread_t *p_vout;
};
/*****************************************************************************
* Control: control facility for the vout (forwards to child vout)
*****************************************************************************/
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
{
return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
}
/*****************************************************************************
* Create: allocates Invert video thread output method
*****************************************************************************
......@@ -84,82 +71,21 @@ static int Control( vout_thread_t *p_vout, int i_query, va_list args )
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
filter_t *p_filter = (filter_t *)p_this;
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_filter->p_sys == NULL )
{
msg_Err( p_vout, "out of memory" );
msg_Err( p_filter, "out of memory" );
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;
p_filter->pf_video_filter = Filter;
return VLC_SUCCESS;
}
/*****************************************************************************
* Init: initialize Invert video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
int i_index;
picture_t *p_pic;
video_format_t fmt = {0};
I_OUTPUTPICTURES = 0;
/* 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 output" );
p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
/* Everything failed */
if( p_vout->p_sys->p_vout == NULL )
{
msg_Err( p_vout, "can't open vout, aborting" );
return VLC_EGENERIC;
}
ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
ADD_PARENT_CALLBACKS( SendEventsToChild );
return VLC_SUCCESS;
}
/*****************************************************************************
* End: terminate Invert 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 ; )
{
i_index--;
free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
}
}
/*****************************************************************************
* Destroy: destroy Invert video thread output method
*****************************************************************************
......@@ -167,18 +93,9 @@ static void End( vout_thread_t *p_vout )
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
filter_t *p_filter = (filter_t *)p_this;
if( p_vout->p_sys->p_vout )
{
DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
vlc_object_detach( p_vout->p_sys->p_vout );
vout_Destroy( p_vout->p_sys->p_vout );
}
DEL_PARENT_CALLBACKS( SendEventsToChild );
free( p_vout->p_sys );
free( p_filter->p_sys );
}
/*****************************************************************************
......@@ -188,25 +105,22 @@ static void Destroy( vlc_object_t *p_this )
* 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 )
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
picture_t *p_outpic;
int i_index;
/* This is a new frame. Get a structure from the video_output. */
while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) )
== NULL )
if( !p_pic ) return NULL;
p_outpic = p_filter->pf_vout_buffer_new( p_filter );
if( !p_outpic )
{
if( p_vout->b_die || p_vout->b_error )
{
return;
}
msleep( VOUT_OUTMEM_SLEEP );
msg_Warn( p_filter, "can't get output picture" );
if( p_pic->pf_release )
p_pic->pf_release( p_pic );
return NULL;
}
vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date );
vout_LinkPicture( p_vout->p_sys->p_vout, p_outpic );
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
uint8_t *p_in, *p_in_end, *p_line_end, *p_out;
......@@ -251,29 +165,13 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
}
}
vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
p_outpic->date = p_pic->date;
p_outpic->b_force = p_pic->b_force;
p_outpic->i_nb_fields = p_pic->i_nb_fields;
p_outpic->b_progressive = p_pic->b_progressive;
p_outpic->b_top_field_first = p_pic->b_top_field_first;
vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
}
p_pic->pf_release( p_pic );
/*****************************************************************************
* 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 )
{
var_Set( (vlc_object_t *)p_data, psz_var, newval );
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 )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
var_Set( p_vout->p_sys->p_vout, psz_var, newval );
return VLC_SUCCESS;
return p_outpic;
}
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