+++ /dev/null
-/*****************************************************************************
- * chain.c : chain multiple chroma modules as a last resort solution
- *****************************************************************************
- * Copyright (C) 2007-2008 the VideoLAN team
- * $Id$
- *
- * Authors: Antoine Cellerier <dionoea at videolan dot org>
- *
- * This program is free software; you can redistribute it and/or modify
- * 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
- * GNU General Public License for more details.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_filter.h>
-#include <vlc_vout.h>
-
-/*****************************************************************************
- * Local and extern prototypes.
- *****************************************************************************/
-static int Activate ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-static void Chain ( filter_t *, picture_t *, picture_t * );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-vlc_module_begin();
- set_description( N_("Chroma conversions using a chain of chroma conversion modules") );
- set_capability( "video filter2", 1 );
- set_callbacks( Activate, Destroy );
-vlc_module_end();
-
-#define MAX_CHROMAS 2
-
-struct filter_sys_t
-{
- vlc_fourcc_t i_chroma;
-
- filter_t *p_chroma1;
- filter_t *p_chroma2;
-
- picture_t *p_tmp;
-};
-
-static const vlc_fourcc_t pi_allowed_chromas[] = {
- VLC_FOURCC('I','4','2','0'),
- VLC_FOURCC('I','4','2','2'),
- VLC_FOURCC('R','V','3','2'),
- VLC_FOURCC('R','V','2','4'),
- 0
-};
-
-/*****************************************************************************
- * Activate: allocate a chroma function
- *****************************************************************************
- * This function allocates and initializes a chroma function
- *****************************************************************************/
-static int Activate( vlc_object_t *p_this )
-{
-#if 0
- static int hack = 1;
- filter_t *p_filter = (filter_t *)p_this;
-
- hack++;
- if( hack > MAX_CHROMAS )
- {
- hack--;
- msg_Err( p_this, "Preventing chain chroma reccursion (already %d long)",
- hack );
- return VLC_EGENERIC;
- }
-
- filter_sys_t *p_sys = (filter_sys_t *)malloc( sizeof( filter_sys_t ) );
- if( !p_sys )
- {
- hack--;
- return VLC_ENOMEM;
- }
- memset( p_sys, 0, sizeof( filter_sys_t ) );
-
- int i;
- vlc_fourcc_t i_output_chroma = p_filter->fmt_in.video.i_chroma;
- vlc_fourcc_t i_render_chroma = p_filter->fmt_out.video.i_chroma;
-
- for( i = 0; pi_allowed_chromas[i]; i++ )
- {
- msg_Warn( p_filter, "Trying %4s as a chroma chain",
- (const char *)&pi_allowed_chromas[i] );
- p_filter->output.i_chroma = pi_allowed_chromas[i];
- p_filter->p_chroma1.p_module = module_Need( p_vout, "chroma", NULL, 0 );
- p_filter->output.i_chroma = i_output_chroma;
-
- if( !p_vout->chroma.p_module )
- continue;
-
- p_sys->chroma1 = p_vout->chroma;
- memset( &p_vout->chroma, 0, sizeof( vout_chroma_t ) );
-
- p_vout->render.i_chroma = pi_allowed_chromas[i];
- p_vout->chroma.p_module = module_Need( p_vout, "chroma", NULL, 0 );
- p_vout->render.i_chroma = i_render_chroma;
-
- if( !p_vout->chroma.p_module )
- {
- p_vout->chroma = p_sys->chroma1;
- module_Unneed( p_vout, p_vout->chroma.p_module );
- continue;
- }
-
- p_sys->chroma2 = p_vout->chroma;
- memset( &p_vout->chroma, 0, sizeof( vout_chroma_t ) );
-
- p_sys->i_chroma = pi_allowed_chromas[i];
- p_vout->chroma.pf_convert = Chain;
- p_vout->chroma.p_sys = p_sys;
- hack--;
- printf("Init: p_sys->p_tmp= %p\n", p_sys->p_tmp );
- return VLC_SUCCESS;
- }
-
- free( p_sys );
- hack--;
-#endif
- return VLC_EGENERIC;
-}
-
-static void Destroy( vlc_object_t *p_this )
-{
-#if 0
- filter_t *p_filter = (filter_t *)p_this;
- vout_chroma_t chroma = p_vout->chroma;
-
- p_vout->chroma = chroma.p_sys->chroma1;
- module_Unneed( p_vout, p_vout->chroma.p_module );
- p_vout->chroma = chroma.p_sys->chroma2;
- module_Unneed( p_vout, p_vout->chroma.p_module );
- p_vout->chroma = chroma;
-
- if( chroma.p_sys->p_tmp )
- {
- free( chroma.p_sys->p_tmp->p_data_orig );
- free( chroma.p_sys->p_tmp );
- }
- free( chroma.p_sys );
- chroma.p_sys = NULL;
-#endif
-}
-
-/*****************************************************************************
- * Chain
- *****************************************************************************/
-static void Chain( filter_t *p_filter, picture_t *p_source,
- picture_t *p_dest )
-{
-#if 0
- chroma_sys_t *p_sys = p_vout->chroma.p_sys;
-
- if( !p_sys->p_tmp )
- {
- picture_t *p_tmp = malloc( sizeof( picture_t ) );
- vout_AllocatePicture( VLC_OBJECT( p_vout ), p_tmp,
- p_sys->i_chroma,
- p_source->p_heap->i_width,
- p_source->p_heap->i_height,
- p_source->p_heap->i_aspect );
- if( !p_tmp )
- return;
- p_sys->p_tmp = p_tmp;
- p_tmp->pf_release = NULL;
- p_tmp->i_status = RESERVED_PICTURE;
- p_tmp->p_sys = NULL;
- }
-
- vout_chroma_t chroma = p_vout->chroma;
- p_vout->chroma = p_sys->chroma1;
- p_sys->chroma1.pf_convert( p_vout, p_source, p_sys->p_tmp );
- p_vout->chroma = p_sys->chroma2;
- p_sys->chroma2.pf_convert( p_vout, p_sys->p_tmp, p_dest );
- p_vout->chroma = chroma;
-#endif
-}
--- /dev/null
+/*****************************************************************************
+ * chain.c : chain multiple video filter modules as a last resort solution
+ *****************************************************************************
+ * Copyright (C) 2007-2008 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Antoine Cellerier <dionoea at videolan dot org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * 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
+ * GNU General Public License for more details.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_filter.h>
+#include <vlc_vout.h>
+
+/*****************************************************************************
+ * Local and extern prototypes.
+ *****************************************************************************/
+static int Activate ( vlc_object_t * );
+static void Destroy ( vlc_object_t * );
+static picture_t *Chain( filter_t *, picture_t * );
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+vlc_module_begin();
+ set_description( N_("Video filtering using a chain of video filter modules") );
+ set_capability( "video filter2", 1 );
+ set_callbacks( Activate, Destroy );
+vlc_module_end();
+
+#define MAX_FILTERS 4
+
+struct filter_sys_t
+{
+ filter_t *p_filter1; /* conversion from fmt_in to fmr_mid */
+ filter_t *p_filter2; /* conversion from fmt_mid to fmt_out */
+ picture_t *p_tmp; /* temporary picture buffer */
+ video_format_t fmt_mid;
+};
+
+static const vlc_fourcc_t pi_allowed_chromas[] = {
+ VLC_FOURCC('I','4','2','0'),
+ VLC_FOURCC('I','4','2','2'),
+ VLC_FOURCC('R','V','3','2'),
+ VLC_FOURCC('R','V','2','4'),
+ 0
+};
+
+static picture_t *get_pic( filter_t *p_filter )
+{
+ picture_t *p_pic = (picture_t *)p_filter->p_owner;
+ p_filter->p_owner = NULL;
+ return p_pic;
+}
+
+/* FIXME: this is almost like DeleteFilter in src/misc/image.c */
+static void DeleteFilter( filter_t *p_filter )
+{
+ vlc_object_detach( p_filter );
+ if( p_filter->p_module ) module_Unneed( p_filter, p_filter->p_module );
+ vlc_object_release( p_filter );
+}
+
+/* FIXME: this is almost like CreateFilter in src/misc/image.c */
+static filter_t *CreateFilter( vlc_object_t *p_this, video_format_t *fmt_in,
+ video_format_t *fmt_out )
+{
+ filter_t *p_filter = vlc_object_create( p_this, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_filter, p_this );
+
+ p_filter->pf_vout_buffer_new = get_pic;
+
+ p_filter->fmt_in = *fmt_in;
+ p_filter->fmt_out = *fmt_out;
+
+ p_filter->p_module = module_Need( p_filter, "video filter2", NULL, 0 );
+
+ if( !p_filter->p_module )
+ {
+ DeleteFilter( p_filter );
+ return NULL;
+ }
+
+ return p_filter;
+}
+
+static int CreateChain( vlc_object_t *p_this, filter_sys_t *p_sys )
+{
+ p_sys->p_filter1 = CreateFilter( p_this, &p_filter->fmt_in.video,
+ &p_sys->fmt_mid );
+ if( p_sys->p_filter1 )
+ {
+ p_sys->p_filter2 = CreateFilter( p_this, &p_sys->fmt_mid,
+ &p_filter->fmt_out.video );
+ if( p_sys->p_filter2 )
+ return VLC_SUCCESS;
+ DeleteFilter( p_sys->p_filter1 );
+ }
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * Activate: allocate a chroma function
+ *****************************************************************************
+ * This function allocates and initializes a chroma function
+ *****************************************************************************/
+static int Activate( vlc_object_t *p_this )
+{
+ filter_t *p_filter = (filter_t *)p_this;
+ static int hack = 0; /* FIXME */
+
+ if( p_filter->fmt_in.video.i_chroma == p_filter->fmt_out.video.i_chroma )
+ return VLC_EGENERIC;
+
+ hack++;
+ if( hack >= MAX_FILTERS )
+ {
+ msg_Err( p_this, "Preventing chain filter reccursion (already %d long)",
+ hack );
+ return VLC_EGENERIC;
+ }
+
+ filter_sys_t *p_sys = (filter_sys_t *)malloc( sizeof( filter_sys_t ) );
+ if( !p_sys )
+ {
+ hack--;
+ return VLC_ENOMEM;
+ }
+ memset( p_sys, 0, sizeof( filter_sys_t ) );
+ p_filter->p_sys = p_sys;
+
+ if( p_filter->fmt_in.i_width != p_filter->fmt_out.i_width ||
+ p_filter->fmt_in.i_height != p_filter->fmt_out.i_height ||
+ p_filter->fmt_in.i_visible_width != p_filter->fmt_out.i_visible_width ||
+ p_filter->fmt_in.i_visible_height != p_filter->fmt_out.i_visible_height )
+ {
+ /* Lets try resizing and then doing the chroma conversion */
+ p_sys->fmt_mid = p_filter->fmt_out.video;
+ p_sys->fmt_mid.i_chroma = p_filter->fmt_in.video.i_chroma;
+ if( CreateChain( p_this, p_sys ) == VLC_SUCCESS )
+ return VLC_SUCCESS;
+
+ /* Lets try it the other way arround (chroma and then resize) */
+ p_sys->fmt_mid = p_filter->fmt_in.video;
+ p_sys->fmt_mid.i_chroma = p_filter->fmt_out.video.i_chroma;
+ if( CreateChain( p_this, p_sys ) == VLC_SUCCESS )
+ return VLC_SUCCESS;
+ }
+ else
+ {
+ /* Lets try doing a chroma chain */
+ int i;
+ p_sys->fmt_mid = p_filter->fmt_in.video;
+ for( i = 0; pi_allowed_chomas[i]; i++ )
+ {
+ p_sys->fmt_mid.i_chroma = pi_allowed_chromas[i];
+ if( CreateChain( p_this, p_sys ) == VLC_SUCCESS )
+ return VLC_SUCCESS;
+ }
+ }
+
+ /* Hum ... looks like this really isn't going to work. Too bad. */
+ free( p_sys );
+ hack--;
+ return VLC_EGENERIC;
+}
+
+static void Destroy( vlc_object_t *p_this )
+{
+ filter_t *p_filter = (filter_t *)p_this;
+
+ DeleteFilter( p_filter->p_sys->filter1 );
+ DeleteFilter( p_filter->p_sys->filter2 );
+
+ if( p_filter->p_sys->p_tmp )
+ {
+ free( p_filter->p_sys->p_tmp->p_data_orig );
+ free( p_filter->p_sys->p_tmp );
+ }
+
+ free( p_filter->p_sys );
+}
+
+/*****************************************************************************
+ * Chain
+ *****************************************************************************/
+static picture_t *Chain( filter_t *p_filter, picture_t *p_pic )
+{
+ picture_t *p_outpic = p_filter->pf_vout_buffer_new( p_filter );
+ if( !p_outpic )
+ {
+ msg_Warn( p_filter, "can't get output picture" );
+ if( p_pic->pf_release )
+ p_pic->pf_release( p_pic );
+ return NULL;
+ }
+
+
+ if( !p_sys->p_tmp )
+ {
+ picture_t *p_tmp = malloc( sizeof( picture_t ) );
+ vout_AllocatePicture( VLC_OBJECT( p_vout ), p_tmp,
+ p_sys->fmt_mid.i_chroma,
+ p_sys->fmt_mid.i_width,
+ p_sys->fmt_mid.i_height,
+ p_sys->fmt_mid.i_aspect );
+ if( !p_tmp )
+ return NULL;
+ p_sys->p_tmp = p_tmp;
+ p_tmp->pf_release = NULL;
+ p_tmp->i_status = RESERVED_PICTURE;
+ p_tmp->p_sys = NULL;
+ }
+
+ p_sys->p_filter1->p_owner = (filter_owner_sys_t*)p_sys->p_tmp;
+ if( !p_sys->p_filter1->pf_video_filter( p_sys->p_filter1, p_pic ) )
+ {
+ if( p_pic->pf_release )
+ p_pic->pf_release( p_pic );
+ return NULL;
+ }
+ if( p_pic->pf_release )
+ p_pic->pf_release( p_pic );
+ p_sys->p_filter2->p_owner = (filter_owner_sys_t*)p_outpic;
+ return p_sys->p_filter2->pf_video_filter( p_sys->p_filter2, p_sys->p_tmp );
+}
projects / vlc / commitdiff