/*****************************************************************************
* invert.c : Invert video plugin for vlc
*****************************************************************************
- * Copyright (C) 2000, 2001 VideoLAN
- * $Id: invert.c,v 1.1 2002/08/04 17:23:43 sam Exp $
+ * Copyright (C) 2000-2006 the VideoLAN team
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* 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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h>
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h>
-#include <vlc/vlc.h>
-#include <vlc/vout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
-#include "filter_common.h"
+#include <vlc_filter.h>
+#include "filter_picture.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 picture_t *Filter( filter_t *, picture_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-vlc_module_begin();
- set_description( _("invert video module") );
- set_capability( "video filter", 0 );
- add_shortcut( "invert" );
- set_callbacks( Create, Destroy );
-vlc_module_end();
-
-/*****************************************************************************
- * vout_sys_t: Invert video output method descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the Invert specific properties of an output thread.
- *****************************************************************************/
-struct vout_sys_t
-{
- vout_thread_t *p_vout;
-};
+vlc_module_begin ()
+ set_description( N_("Invert video filter") )
+ set_shortname( N_("Color inversion" ))
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_VFILTER )
+ set_capability( "video filter2", 0 )
+ add_shortcut( "invert" )
+ set_callbacks( Create, Destroy )
+vlc_module_end ()
/*****************************************************************************
* Create: allocates Invert video thread output method
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- /* 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( 1 );
- }
-
- 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;
-
- return( 0 );
-}
-
-/*****************************************************************************
- * Init: initialize Invert video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index;
- picture_t *p_pic;
-
- 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;
-
- /* Try to open the real video output */
- msg_Dbg( p_vout, "spawning the real video output" );
-
- p_vout->p_sys->p_vout =
- vout_CreateThread( p_vout,
- p_vout->render.i_width, p_vout->render.i_height,
- p_vout->render.i_chroma, p_vout->render.i_aspect );
-
- /* Everything failed */
- if( p_vout->p_sys->p_vout == NULL )
- {
- msg_Err( p_vout, "can't open vout, aborting" );
-
- return( 0 );
- }
-
- ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
+ filter_t *p_filter = (filter_t *)p_this;
- return( 0 );
-}
+ p_filter->pf_video_filter = Filter;
-/*****************************************************************************
- * 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 );
- }
+ return VLC_SUCCESS;
}
/*****************************************************************************
* Terminate an output method created by InvertCreateOutputMethod
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- vout_DestroyThread( p_vout->p_sys->p_vout );
-
- free( p_vout->p_sys );
+{
+ (void)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;
+ int i_planes;
+
+ if( !p_pic ) return NULL;
- /* 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 )
+ p_outpic = filter_NewPicture( 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" );
+ picture_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 );
+ if( p_pic->format.i_chroma == VLC_CODEC_YUVA )
+ {
+ /* We don't want to invert the alpha plane */
+ i_planes = p_pic->i_planes - 1;
+ vlc_memcpy(
+ p_outpic->p[A_PLANE].p_pixels, p_pic->p[A_PLANE].p_pixels,
+ p_pic->p[A_PLANE].i_pitch * p_pic->p[A_PLANE].i_lines );
+ }
+ else
+ {
+ i_planes = p_pic->i_planes;
+ }
- for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
+ for( i_index = 0 ; i_index < i_planes ; i_index++ )
{
- u8 *p_in, *p_in_end, *p_out;
+ uint8_t *p_in, *p_in_end, *p_line_end, *p_out;
p_in = p_pic->p[i_index].p_pixels;
- p_in_end = p_in - 64 + p_pic->p[i_index].i_lines
- * p_pic->p[i_index].i_pitch;
+ p_in_end = p_in + p_pic->p[i_index].i_visible_lines
+ * p_pic->p[i_index].i_pitch;
p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
- /* Do 64 pixels at a time */
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- *((u64*)p_out)++ = ~( *((u64*)p_in)++ );
- }
-
- p_in_end += 64;
-
- for( ; p_in < p_in_end ; )
- {
- /* Do 1 pixel at a time */
- *p_out++ = ~( *p_in++ );
+ uint64_t *p_in64, *p_out64;
+
+ p_line_end = p_in + p_pic->p[i_index].i_visible_pitch - 64;
+
+ p_in64 = (uint64_t*)p_in;
+ p_out64 = (uint64_t*)p_out;
+
+ while( p_in64 < (uint64_t *)p_line_end )
+ {
+ /* Do 64 pixels at a time */
+ *p_out64++ = ~*p_in64++; *p_out64++ = ~*p_in64++;
+ *p_out64++ = ~*p_in64++; *p_out64++ = ~*p_in64++;
+ *p_out64++ = ~*p_in64++; *p_out64++ = ~*p_in64++;
+ *p_out64++ = ~*p_in64++; *p_out64++ = ~*p_in64++;
+ }
+
+ p_in = (uint8_t*)p_in64;
+ p_out = (uint8_t*)p_out64;
+ p_line_end += 64;
+
+ for( ; p_in < p_line_end ; )
+ {
+ *p_out++ = ~( *p_in++ );
+ }
+
+ p_in += p_pic->p[i_index].i_pitch
+ - p_pic->p[i_index].i_visible_pitch;
+ p_out += p_outpic->p[i_index].i_pitch
+ - p_outpic->p[i_index].i_visible_pitch;
}
}
- vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
-
- vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
+ return CopyInfoAndRelease( p_outpic, p_pic );
}
-