]> git.sesse.net Git - mlt/blobdiff - src/modules/gtk2/producer_pixbuf.c
Attempt at an aspect ratio clean up
[mlt] / src / modules / gtk2 / producer_pixbuf.c
index 3cdd5ed6edbe6ad6086048a85ee6debc04b5d7d7..4cd7a4cde7723a3fdd81289ce2c62d61631c80d0 100644 (file)
 #include <unistd.h>
 #include <dirent.h>
 
+typedef struct producer_pixbuf_s *producer_pixbuf;
+
+struct producer_pixbuf_s
+{
+       struct mlt_producer_s parent;
+
+       // File name list
+       char **filenames;
+       int count;
+       int image_idx;
+
+       int width;
+       int height;
+       uint8_t *image;
+       uint8_t *alpha;
+};
+
 static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int index );
 static void producer_close( mlt_producer parent );
 
@@ -45,7 +62,7 @@ static int filter_files( const struct dirent *de )
 mlt_producer producer_pixbuf_init( char *filename )
 {
        producer_pixbuf this = calloc( sizeof( struct producer_pixbuf_s ), 1 );
-       if ( filename != NULL && this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
+       if ( this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
        {
                mlt_producer producer = &this->parent;
 
@@ -54,72 +71,12 @@ mlt_producer producer_pixbuf_init( char *filename )
        
                // Callback registration
                producer->get_frame = producer_get_frame;
-               producer->close = producer_close;
+               producer->close = ( mlt_destructor )producer_close;
 
                // Set the default properties
                mlt_properties_set( properties, "resource", filename );
                mlt_properties_set_int( properties, "ttl", 25 );
                
-               // Obtain filenames
-               if ( strchr( filename, '%' ) != NULL )
-               {
-                       // handle picture sequences
-                       int i = 0;
-                       int gap = 0;
-                       char full[1024];
-
-                       while ( gap < 100 )
-                       {
-                               struct stat buf;
-                               snprintf( full, 1023, filename, i ++ );
-                               if ( stat( full, &buf ) == 0 )
-                               {
-                                       this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
-                                       this->filenames[ this->count ++ ] = strdup( full );
-                                       gap = 0;
-                               }
-                               else
-                               {
-                                       gap ++;
-                               }
-                       } 
-                       mlt_properties_set_position( properties, "out", this->count * 250 );
-               }
-               else if ( strstr( filename, "/.all." ) != NULL )
-               {
-                       char *dir_name = strdup( filename );
-                       char *extension = strrchr( filename, '.' );
-                       *( strstr( dir_name, "/.all." ) + 1 ) = '\0';
-                       char fullname[ 1024 ];
-                       strcpy( fullname, dir_name );
-                       struct dirent **de = NULL;
-                       int n = scandir( fullname, &de, filter_files, alphasort );
-                       int i;
-                       struct stat info;
-
-                       for (i = 0; i < n; i++ )
-                       {
-                               snprintf( fullname, 1023, "%s%s", dir_name, de[i]->d_name );
-
-                               if ( lstat( fullname, &info ) == 0 && 
-                                       ( S_ISREG( info.st_mode ) || ( strstr( fullname, extension ) && info.st_mode | S_IXUSR ) ) )
-                               {
-                                       this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
-                                       this->filenames[ this->count ++ ] = strdup( fullname );
-                               }
-                               free( de[ i ] );
-                       }
-
-                       free( de );
-                       free( dir_name );
-               }
-               else
-               {
-                       this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
-                       this->filenames[ this->count ++ ] = strdup( filename );
-                       mlt_properties_set_position( properties, "out", 250 );
-               }
-
                // Initialise gobject types
                g_type_init();
 
@@ -150,11 +107,11 @@ static void refresh_image( mlt_frame frame, int width, int height )
        // Get the time to live for each frame
        double ttl = mlt_properties_get_int( producer_props, "ttl" );
 
-       // Image index
-       int image_idx = ( int )floor( mlt_producer_position( producer ) / ttl ) % this->count;
+       // Get the original position of this frame
+       mlt_position position = mlt_properties_get_position( properties, "pixbuf_position" );
 
-       // Update timecode on the frame we're creating
-       mlt_frame_set_position( frame, mlt_producer_position( producer ) );
+       // Image index
+       int image_idx = ( int )floor( ( double )position / ttl ) % this->count;
 
     // optimization for subsequent iterations on single picture
        if ( width != 0 && this->image != NULL && image_idx == this->image_idx )
@@ -162,17 +119,16 @@ static void refresh_image( mlt_frame frame, int width, int height )
                if ( width != this->width || height != this->height )
                {
                        pixbuf = mlt_properties_get_data( producer_props, "pixbuf", NULL );
-                       mlt_properties_set_int( producer_props, "bpp", gdk_pixbuf_get_has_alpha( pixbuf ) ? 4 : 3 );
-                       free( this->image );
-                       free( this->alpha );
+                       mlt_pool_release( this->image );
+                       mlt_pool_release( this->alpha );
                        this->image = NULL;
                        this->alpha = NULL;
                }
        }
        else if ( this->image == NULL || image_idx != this->image_idx )
        {
-               free( this->image );
-               free( this->alpha );
+               mlt_pool_release( this->image );
+               mlt_pool_release( this->alpha );
                this->image = NULL;
                this->alpha = NULL;
 
@@ -190,41 +146,43 @@ static void refresh_image( mlt_frame frame, int width, int height )
                        // Store the width/height of the pixbuf temporarily
                        this->width = gdk_pixbuf_get_width( pixbuf );
                        this->height = gdk_pixbuf_get_height( pixbuf );
-                       
-                       mlt_properties_set_int( producer_props, "bpp", gdk_pixbuf_get_has_alpha( pixbuf ) ? 4 : 3 );
                }
        }
 
-       int bpp = mlt_properties_get_int( producer_props, "bpp" );
-       
        // If we have a pixbuf
        if ( pixbuf && width > 0 )
        {
-               
+               char *interps = mlt_properties_get( properties, "rescale.interp" );
+               int interp = GDK_INTERP_BILINEAR;
+
+               if ( strcmp( interps, "nearest" ) == 0 )
+                       interp = GDK_INTERP_NEAREST;
+               else if ( strcmp( interps, "tiles" ) == 0 )
+                       interp = GDK_INTERP_TILES;
+               else if ( strcmp( interps, "hyper" ) == 0 )
+                       interp = GDK_INTERP_HYPER;
+
                // Note - the original pixbuf is already safe and ready for destruction
-               pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, GDK_INTERP_NEAREST );
-               
+               pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, interp );
+
                // Store width and height
                this->width = width;
                this->height = height;
                
-               //fprintf( stderr, "SCALING PIXBUF from %dx%d to %dx%d %dx%d\n", gdk_pixbuf_get_width( pixbuf ), gdk_pixbuf_get_height( pixbuf ), width, height, this->width, this->height );
                // Allocate/define image
-               // IRRIGATE ME
-               uint8_t *image = malloc( width * ( height + 1 ) * bpp );
-               uint8_t *alpha = NULL;
+               this->image = mlt_pool_alloc( width * ( height + 1 ) * 2 );
 
                // Extract YUV422 and alpha
                if ( gdk_pixbuf_get_has_alpha( pixbuf ) )
                {
                        // Allocate the alpha mask
-                       alpha = malloc( this->width * this->height );
+                       this->alpha = mlt_pool_alloc( this->width * this->height );
 
                        // Convert the image
                        mlt_convert_rgb24a_to_yuv422( gdk_pixbuf_get_pixels( pixbuf ),
                                                                                  this->width, this->height,
                                                                                  gdk_pixbuf_get_rowstride( pixbuf ),
-                                                                                 image, alpha );
+                                                                                 this->image, this->alpha );
                }
                else
                { 
@@ -232,15 +190,11 @@ static void refresh_image( mlt_frame frame, int width, int height )
                        mlt_convert_rgb24_to_yuv422( gdk_pixbuf_get_pixels( pixbuf ),
                                                                                 this->width, this->height,
                                                                                 gdk_pixbuf_get_rowstride( pixbuf ),
-                                                                                image );
+                                                                                this->image );
                }
 
                // Finished with pixbuf now
                g_object_unref( pixbuf );
-
-               // Assign images to producer
-               this->image = image;
-               this->alpha = alpha;
        }
 
        // Set width/height of frame
@@ -265,10 +219,6 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        // Refresh the image
        refresh_image( frame, *width, *height );
 
-       // Determine format
-       //mlt_producer this = mlt_properties_get_data( properties, "producer_pixbuf", NULL );
-       //*format = ( mlt_properties_get_int( mlt_producer_properties( this ), "bpp" ) == 4 ) ? mlt_image_rgb24a : mlt_image_rgb24;
-
        // May need to know the size of the image to clone it
        int size = 0;
 
@@ -279,21 +229,28 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        *width = mlt_properties_get_int( properties, "width" );
        *height = mlt_properties_get_int( properties, "height" );
 
+       if ( size == 0 )
+       {
+               *width = mlt_properties_get_int( properties, "normalised_width" );
+               *height = mlt_properties_get_int( properties, "normalised_height" );
+               size = *width * ( *height + 1 );
+       }
+
        // Clone if necessary
        // NB: Cloning is necessary with this producer (due to processing of images ahead of use)
        // The fault is not in the design of mlt, but in the implementation of pixbuf...
        //if ( writable )
        {
                // Clone our image
-               // IRRIGATE ME
-               uint8_t *copy = malloc( size );
-               memcpy( copy, image, size );
+               uint8_t *copy = mlt_pool_alloc( size );
+               if ( image != NULL )
+                       memcpy( copy, image, size );
 
                // We're going to pass the copy on
                image = copy;
 
                // Now update properties so we free the copy after
-               mlt_properties_set_data( properties, "image", copy, size, free, NULL );
+               mlt_properties_set_data( properties, "image", copy, size, mlt_pool_release, NULL );
        }
 
        // Pass on the image
@@ -316,27 +273,132 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
        // Get the real structure for this producer
        producer_pixbuf this = producer->child;
 
+       if ( this->count == 0 && mlt_properties_get( mlt_producer_properties( producer ), "resource" ) != NULL )
+       {
+               mlt_properties properties = mlt_producer_properties( producer );
+               char *filename = mlt_properties_get( properties, "resource" );
+               
+               // Read xml string
+               if ( strstr( filename, "<svg" ) )
+               {
+                       // Generate a temporary file for the svg
+                       char fullname[ 1024 ] = "/tmp/mlt.XXXXXX";
+                       int fd = mkstemp( fullname );
+
+                       if ( fd > -1 )
+                       {
+                               // Write the svg into the temp file
+                               ssize_t remaining_bytes;
+                               char *xml = filename;
+                               
+                               // Strip leading crap
+                               while ( xml[0] != '<' )
+                                       xml++;
+                               
+                               remaining_bytes = strlen( xml );
+                               while ( remaining_bytes > 0 )
+                                       remaining_bytes -= write( fd, xml + strlen( xml ) - remaining_bytes, remaining_bytes );
+                               close( fd );
+
+                               this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
+                               this->filenames[ this->count ++ ] = strdup( fullname );
+
+                               // Teehe - when the producer closes, delete the temp file and the space allo
+                               mlt_properties_set_data( properties, "__temporary_file__", this->filenames[ this->count - 1 ], 0, ( mlt_destructor )unlink, NULL );
+                       }
+               }
+               // Obtain filenames
+               else if ( strchr( filename, '%' ) != NULL )
+               {
+                       // handle picture sequences
+                       int i = 0;
+                       int gap = 0;
+                       char full[1024];
+
+                       while ( gap < 100 )
+                       {
+                               struct stat buf;
+                               snprintf( full, 1023, filename, i ++ );
+                               if ( stat( full, &buf ) == 0 )
+                               {
+                                       this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
+                                       this->filenames[ this->count ++ ] = strdup( full );
+                                       gap = 0;
+                               }
+                               else
+                               {
+                                       gap ++;
+                               }
+                       }
+               }
+               else if ( strstr( filename, "/.all." ) != NULL )
+               {
+                       char *dir_name = strdup( filename );
+                       char *extension = strrchr( filename, '.' );
+                       *( strstr( dir_name, "/.all." ) + 1 ) = '\0';
+                       char fullname[ 1024 ];
+                       strcpy( fullname, dir_name );
+                       struct dirent **de = NULL;
+                       int n = scandir( fullname, &de, filter_files, alphasort );
+                       int i;
+                       struct stat info;
+
+                       for (i = 0; i < n; i++ )
+                       {
+                               snprintf( fullname, 1023, "%s%s", dir_name, de[i]->d_name );
+
+                               if ( strstr( fullname, extension ) && lstat( fullname, &info ) == 0 &&
+                                       ( S_ISREG( info.st_mode ) || info.st_mode | S_IXUSR ) )
+                               {
+                                       this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
+                                       this->filenames[ this->count ++ ] = strdup( fullname );
+                               }
+                               free( de[ i ] );
+                       }
+
+                       free( de );
+                       free( dir_name );
+               }
+               else
+               {
+                       this->filenames = realloc( this->filenames, sizeof( char * ) * ( this->count + 1 ) );
+                       this->filenames[ this->count ++ ] = strdup( filename );
+               }
+       }
+
        // Generate a frame
        *frame = mlt_frame_init( );
 
-       // Obtain properties of frame and producer
-       mlt_properties properties = mlt_frame_properties( *frame );
+       if ( *frame != NULL && this->count > 0 )
+       {
+               // Obtain properties of frame and producer
+               mlt_properties properties = mlt_frame_properties( *frame );
+
+               // Determine if we're rendering for PAL or NTSC
+               int is_pal = mlt_properties_get_int( properties, "normalised_height" ) == 576;
 
-       // Set the producer on the frame properties
-       mlt_properties_set_data( properties, "producer_pixbuf", this, 0, NULL, NULL );
+               // Set the producer on the frame properties
+               mlt_properties_set_data( properties, "producer_pixbuf", this, 0, NULL, NULL );
 
-       // Refresh the image
-       refresh_image( *frame, 0, 0 );
+               // Update timecode on the frame we're creating
+               mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
 
-       // Set producer-specific frame properties
-       mlt_properties_set_int( properties, "progressive", 1 );
-       mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( properties, "real_width" ) / mlt_properties_get_double( properties, "real_height" ) );
+               // Ensure that we have a way to obtain the position in the get_image
+               mlt_properties_set_position( properties, "pixbuf_position", mlt_producer_position( producer ) );
 
-       // Set alpha call back
-       ( *frame )->get_alpha_mask = producer_get_alpha_mask;
+               // Refresh the image
+               refresh_image( *frame, 0, 0 );
 
-       // Push the get_image method
-       mlt_frame_push_get_image( *frame, producer_get_image );
+               // Set producer-specific frame properties
+               mlt_properties_set_int( properties, "progressive", 1 );
+               mlt_properties_set_double( properties, "aspect_ratio", is_pal ? 59.0/54.0 : 10.0/11.0 );
+
+               // Set alpha call back
+               ( *frame )->get_alpha_mask = producer_get_alpha_mask;
+
+               // Push the get_image method
+               mlt_frame_push_get_image( *frame, producer_get_image );
+       }
 
        // Calculate the next timecode
        mlt_producer_prepare_next( producer );
@@ -347,9 +409,11 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
 static void producer_close( mlt_producer parent )
 {
        producer_pixbuf this = parent->child;
-       free( this->image );
+       mlt_pool_release( this->image );
        parent->close = NULL;
        mlt_producer_close( parent );
+       while ( this->count -- )
+               free( this->filenames[ this->count ] );
+       free( this->filenames );
        free( this );
 }
-