]> git.sesse.net Git - vlc/blobdiff - modules/video_filter/invert.c
Use var_InheritString for --decklink-video-connection.
[vlc] / modules / video_filter / invert.c
index 3cb78c5d067ed7889db75aeccf8b8aee46f018f6..33b2884e08b8495d788fff7e0d49de624d70d09a 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * invert.c : Invert video plugin for vlc
  *****************************************************************************
- * Copyright (C) 2000, 2001, 2002, 2003 VideoLAN
+ * Copyright (C) 2000-2006 the VideoLAN team
  * $Id$
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  *
  * 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 <stdlib.h>                                      /* malloc(), free() */
-#include <string.h>
 
-#include <vlc/vlc.h>
-#include <vlc/vout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
-#include "filter_common.h"
+#include <vlc_common.h>
+#include <vlc_plugin.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  Init      ( vout_thread_t * );
-static void End       ( vout_thread_t * );
-static void Render    ( vout_thread_t *, picture_t * );
+static int  Create      ( vlc_object_t * );
+static void Destroy     ( vlc_object_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
  *****************************************************************************/
-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 );
-    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;
-};
-
-/*****************************************************************************
- * 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 );
-}
+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
@@ -84,88 +63,13 @@ 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;
-
-    /* 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;
-    }
-
-    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;
-
-    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;
-
-    fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
-    fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
-    fmt.i_x_offset = fmt.i_y_offset = 0;
-    fmt.i_chroma = p_vout->render.i_chroma;
-    fmt.i_aspect = p_vout->render.i_aspect;
-    fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
-    fmt.i_sar_den = VOUT_ASPECT_FACTOR;
-
-    /* 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 );
+    filter_t *p_filter = (filter_t *)p_this;
 
-    ADD_PARENT_CALLBACKS( SendEventsToChild );
+    p_filter->pf_video_filter = Filter;
 
     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
  *****************************************************************************
@@ -173,18 +77,7 @@ 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;
-
-    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 );
+    (void)p_this;
 }
 
 /*****************************************************************************
@@ -194,26 +87,36 @@ 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;
+    int i_planes;
 
-    /* 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 = 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++ )
     {
         uint8_t *p_in, *p_in_end, *p_line_end, *p_out;
 
@@ -232,7 +135,7 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
             p_in64 = (uint64_t*)p_in;
             p_out64 = (uint64_t*)p_out;
 
-            for( ; (ptrdiff_t)p_in64 < (ptrdiff_t)p_line_end ; )
+            while( p_in64 < (uint64_t *)p_line_end )
             {
                 /* Do 64 pixels at a time */
                 *p_out64++ = ~*p_in64++; *p_out64++ = ~*p_in64++;
@@ -257,29 +160,5 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
         }
     }
 
-    vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
-
-    vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
-}
-
-/*****************************************************************************
- * 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 CopyInfoAndRelease( p_outpic, p_pic );
 }