#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_filter.h>
-#include <vlc_vout.h>
/*****************************************************************************
- * Local and extern prototypes.
+ * Module descriptor
*****************************************************************************/
-static int Activate ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-static picture_t *Chain( filter_t *, picture_t * );
+static int Activate ( vlc_object_t * );
+static void Destroy ( vlc_object_t * );
+
+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 ()
/*****************************************************************************
- * Module descriptor
+ * Local prototypes.
*****************************************************************************/
-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();
+static picture_t *Chain ( filter_t *, picture_t * );
+static int BufferAllocationInit ( filter_t *, void * );
-#define MAX_FILTERS 4
+static int BuildChromaResize( filter_t * );
+static int BuildChromaChain( filter_t *p_filter );
-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 int CreateChain( filter_chain_t *p_chain, es_format_t *p_fmt_mid, config_chain_t * );
+static void EsFormatMergeSize( es_format_t *p_dst,
+ const es_format_t *p_base,
+ const es_format_t *p_size );
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'),
+ VLC_CODEC_I420,
+ VLC_CODEC_I422,
+ VLC_CODEC_RGB32,
+ VLC_CODEC_RGB24,
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 )
+struct filter_sys_t
{
- 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;
- }
+ filter_chain_t *p_chain;
+};
- 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;
-}
+#define CHAIN_LEVEL_MAX 1
/*****************************************************************************
* Activate: allocate a chroma function
static int Activate( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
- static int hack = 0; /* FIXME */
+ filter_sys_t *p_sys;
+ int i_ret;
- if( p_filter->fmt_in.video.i_chroma == p_filter->fmt_out.video.i_chroma )
+ const bool b_chroma = p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma;
+ const bool b_resize = p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width ||
+ p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height;
+ if( !b_chroma && !b_resize )
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 ) );
+ p_sys = p_filter->p_sys = calloc( 1, sizeof( *p_sys ) );
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 )
+ p_sys->p_chain = filter_chain_New( p_filter, "video filter2", false, BufferAllocationInit, NULL, p_filter );
+ if( !p_sys->p_chain )
{
- /* 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;
+ free( p_sys );
+ return VLC_EGENERIC;
}
+
+ if( b_chroma && b_resize )
+ i_ret = BuildChromaResize( p_filter );
+ else if( b_chroma )
+ i_ret = BuildChromaChain( p_filter );
else
+ i_ret = VLC_EGENERIC;
+
+ if( i_ret )
{
- /* 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. */
+ filter_chain_Delete( p_sys->p_chain );
+ free( p_sys );
+ return VLC_EGENERIC;
}
-
- /* Hum ... looks like this really isn't going to work. Too bad. */
- free( p_sys );
- hack--;
- return VLC_EGENERIC;
+ /* */
+ p_filter->pf_video_filter = Chain;
+ return VLC_SUCCESS;
}
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 );
- }
-
+ filter_chain_Delete( p_filter->p_sys->p_chain );
free( p_filter->p_sys );
}
*****************************************************************************/
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 )
+ return filter_chain_VideoFilter( p_filter->p_sys->p_chain, p_pic );
+}
+
+/*****************************************************************************
+ * Builders
+ *****************************************************************************/
+static int BuildChromaResize( filter_t *p_filter )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+ es_format_t fmt_mid;
+ int i_ret;
+
+ /* Lets try resizing and then doing the chroma conversion */
+ filter_chain_Reset( p_sys->p_chain, &p_filter->fmt_in, &p_filter->fmt_out );
+
+ msg_Dbg( p_filter, "Trying to build resize+chroma" );
+ EsFormatMergeSize( &fmt_mid, &p_filter->fmt_in, &p_filter->fmt_out );
+ i_ret = CreateChain( p_sys->p_chain, &fmt_mid, NULL );
+ es_format_Clean( &fmt_mid );
+ if( i_ret == VLC_SUCCESS )
+ return VLC_SUCCESS;
+
+ /* Lets try it the other way arround (chroma and then resize) */
+ filter_chain_Reset( p_sys->p_chain, &p_filter->fmt_in, &p_filter->fmt_out );
+
+ msg_Dbg( p_filter, "Trying to build chroma+resize" );
+ EsFormatMergeSize( &fmt_mid, &p_filter->fmt_out, &p_filter->fmt_in );
+ i_ret = CreateChain( p_sys->p_chain, &fmt_mid, NULL );
+ es_format_Clean( &fmt_mid );
+ if( i_ret == VLC_SUCCESS )
+ return VLC_SUCCESS;
+
+ return VLC_EGENERIC;
+}
+
+static int BuildChromaChain( filter_t *p_filter )
+{
+ filter_sys_t *p_sys = p_filter->p_sys;
+ es_format_t fmt_mid;
+
+ /* We have to protect ourself against a too high recursion */
+ const char *psz_option = MODULE_STRING"-level";
+ int i_level = 0;
+ for( const config_chain_t *c = p_filter->p_cfg; c != NULL; c = c->p_next)
{
- msg_Warn( p_filter, "can't get output picture" );
- if( p_pic->pf_release )
- p_pic->pf_release( p_pic );
- return NULL;
+ if( c->psz_name && c->psz_value && !strcmp(c->psz_name, psz_option) )
+ {
+ i_level = atoi(c->psz_value);
+ if( i_level < 0 || i_level > CHAIN_LEVEL_MAX )
+ {
+ msg_Err( p_filter, "Too high level of recursion (%d)", i_level );
+ return VLC_EGENERIC;
+ }
+ break;
+ }
}
+ /* */
+ int i_ret = VLC_EGENERIC;
+
+ /* */
+ config_chain_t cfg_level;
+ memset(&cfg_level, 0, sizeof(cfg_level));
+ cfg_level.psz_name = strdup(psz_option);
+ if( asprintf( &cfg_level.psz_value, "%d", i_level + 1) < 0 )
+ cfg_level.psz_value = NULL;
+ if( !cfg_level.psz_name || !cfg_level.psz_value )
+ goto exit;
- if( !p_sys->p_tmp )
+ /* Now try chroma format list */
+ for( int i = 0; pi_allowed_chromas[i]; i++ )
{
- picture_t *p_tmp = malloc( sizeof( picture_t ) );
- if( !p_tmp )
- return NULL;
- 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 );
- p_sys->p_tmp = p_tmp;
- p_tmp->pf_release = NULL;
- p_tmp->i_status = RESERVED_PICTURE;
- p_tmp->p_sys = NULL;
+ const vlc_fourcc_t i_chroma = pi_allowed_chromas[i];
+ if( i_chroma == p_filter->fmt_in.i_codec ||
+ i_chroma == p_filter->fmt_out.i_codec )
+ continue;
+
+ msg_Dbg( p_filter, "Trying to use chroma %4.4s as middle man",
+ (char*)&i_chroma );
+
+ es_format_Copy( &fmt_mid, &p_filter->fmt_in );
+ fmt_mid.i_codec =
+ fmt_mid.video.i_chroma = i_chroma;
+ fmt_mid.video.i_rmask = 0;
+ fmt_mid.video.i_gmask = 0;
+ fmt_mid.video.i_bmask = 0;
+ video_format_FixRgb(&fmt_mid.video);
+
+ filter_chain_Reset( p_sys->p_chain, &p_filter->fmt_in, &p_filter->fmt_out );
+
+ i_ret = CreateChain( p_sys->p_chain, &fmt_mid, &cfg_level );
+ es_format_Clean( &fmt_mid );
+
+ if( i_ret == VLC_SUCCESS )
+ break;
}
- 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 ) )
+exit:
+ free( cfg_level.psz_name );
+ free( cfg_level.psz_value );
+ return i_ret;
+}
+
+/*****************************************************************************
+ * Buffer management
+ *****************************************************************************/
+static picture_t *BufferNew( filter_t *p_filter )
+{
+ filter_t *p_parent = (filter_t*)p_filter->p_owner;
+
+ return filter_NewPicture( p_parent );
+}
+static void BufferDel( filter_t *p_filter, picture_t *p_pic )
+{
+ filter_t *p_parent = (filter_t*)p_filter->p_owner;
+
+ return filter_DeletePicture( p_parent, p_pic );
+}
+static int BufferAllocationInit ( filter_t *p_filter, void *p_data )
+{
+ p_filter->pf_video_buffer_new = BufferNew;
+ p_filter->pf_video_buffer_del = BufferDel;
+ p_filter->p_owner = p_data;
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static int CreateChain( filter_chain_t *p_chain, es_format_t *p_fmt_mid, config_chain_t *p_cfg )
+{
+ filter_t *p_filter1;
+ if( !( p_filter1 =
+ filter_chain_AppendFilter( p_chain, NULL, p_cfg, NULL, p_fmt_mid )) )
+ return VLC_EGENERIC;
+ if( !filter_chain_AppendFilter( p_chain, NULL, p_cfg, p_fmt_mid, NULL ) )
{
- if( p_pic->pf_release )
- p_pic->pf_release( p_pic );
- return NULL;
+ filter_chain_DeleteFilter( p_chain, p_filter1 );
+ return VLC_EGENERIC;
}
- 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 );
+ return VLC_SUCCESS;
}
+
+static void EsFormatMergeSize( es_format_t *p_dst,
+ const es_format_t *p_base,
+ const es_format_t *p_size )
+{
+ es_format_Copy( p_dst, p_base );
+
+ p_dst->video.i_width = p_size->video.i_width;
+ p_dst->video.i_height = p_size->video.i_height;
+
+ p_dst->video.i_visible_width = p_size->video.i_visible_width;
+ p_dst->video.i_visible_height = p_size->video.i_visible_height;
+}
+
projects / vlc / blobdiff