X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_frame.c;h=a62ed7ac59fbb9622fc14a5f413d5e4acd83b66a;hb=94dce1aea965163f8dcd2f97271f2652abb0e62d;hp=853f9d51cbc51ae345312c990d9eb37f0258b80d;hpb=05ddafbb9518251a354d2d947cf5c8d109c76909;p=melted

diff --git a/src/framework/mlt_frame.c b/src/framework/mlt_frame.c
index 853f9d5..a62ed7a 100644
--- a/src/framework/mlt_frame.c
+++ b/src/framework/mlt_frame.c
@@ -20,24 +20,11 @@
 
 #include "config.h"
 #include "mlt_frame.h"
+#include "mlt_producer.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-typedef struct
-{
-	mlt_image_format vfmt;
-	int width;
-	int height;
-	uint8_t *image;
-	uint8_t *alpha;
-	mlt_audio_format afmt;
-	int16_t *audio;
-}
-frame_test;
-
-static frame_test test_card = { mlt_image_none, 0, 0, NULL, NULL, mlt_audio_none, NULL };
-
 /** Constructor for a frame.
 */
 
@@ -48,6 +35,9 @@ mlt_frame mlt_frame_init( )
 
 	if ( this != NULL )
 	{
+		// Get the normalisation
+		char *normalisation = getenv( "MLT_NORMALISATION" );
+
 		// Initialise the properties
 		mlt_properties properties = &this->parent;
 		mlt_properties_init( properties, this );
@@ -55,11 +45,27 @@ mlt_frame mlt_frame_init( )
 		// Set default properties on the frame
 		mlt_properties_set_position( properties, "_position", 0.0 );
 		mlt_properties_set_data( properties, "image", NULL, 0, NULL, NULL );
-		mlt_properties_set_int( properties, "width", 720 );
-		mlt_properties_set_int( properties, "height", 576 );
+
+		if ( normalisation == NULL || strcmp( normalisation, "NTSC" ) )
+		{
+			mlt_properties_set_int( properties, "width", 720 );
+			mlt_properties_set_int( properties, "height", 576 );
+			mlt_properties_set_int( properties, "normalised_width", 720 );
+			mlt_properties_set_int( properties, "normalised_height", 576 );
+		}
+		else
+		{
+			mlt_properties_set_int( properties, "width", 720 );
+			mlt_properties_set_int( properties, "height", 480 );
+			mlt_properties_set_int( properties, "normalised_width", 720 );
+			mlt_properties_set_int( properties, "normalised_height", 480 );
+		}
+
 		mlt_properties_set_double( properties, "aspect_ratio", 4.0 / 3.0 );
 		mlt_properties_set_data( properties, "audio", NULL, 0, NULL, NULL );
 		mlt_properties_set_data( properties, "alpha", NULL, 0, NULL, NULL );
+
+
 	}
 	return this;
 }
@@ -77,7 +83,7 @@ mlt_properties mlt_frame_properties( mlt_frame this )
 
 int mlt_frame_is_test_card( mlt_frame this )
 {
-	return ( this->stack_get_image_size == 0 && mlt_properties_get_data( mlt_frame_properties( this ), "image", NULL ) == NULL );
+	return mlt_properties_get_int( mlt_frame_properties( this ), "test_image" );
 }
 
 /** Check if we have a way to derive something than test audio.
@@ -85,7 +91,7 @@ int mlt_frame_is_test_card( mlt_frame this )
 
 int mlt_frame_is_test_audio( mlt_frame this )
 {
-	return this->get_audio == NULL;
+	return this->get_audio == NULL || mlt_properties_get_int( mlt_frame_properties( this ), "test_audio" );
 }
 
 /** Get the aspect ratio of the frame.
@@ -168,6 +174,7 @@ int mlt_frame_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *for
 {
 	mlt_properties properties = mlt_frame_properties( this );
 	mlt_get_image get_image = mlt_frame_pop_get_image( this );
+	mlt_producer producer = mlt_properties_get_data( properties, "test_card_producer", NULL );
 	
 	if ( get_image != NULL )
 	{
@@ -180,64 +187,86 @@ int mlt_frame_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *for
 		*width = mlt_properties_get_int( properties, "width" );
 		*height = mlt_properties_get_int( properties, "height" );
 	}
-	else
+	else if ( producer != NULL )
 	{
-		if ( test_card.vfmt != *format || test_card.width != *width || test_card.height != *height || test_card.image == NULL )
+		mlt_frame test_frame = NULL;
+		mlt_service_get_frame( mlt_producer_service( producer ), &test_frame, 0 );
+		if ( test_frame != NULL )
 		{
-			uint8_t *p;
-			uint8_t *q;
-
-			test_card.vfmt = *format;
-			test_card.width = *width == 0 ? 720 : *width;
-			test_card.height = *height == 0 ? 576 : *height;
-
-			switch( *format )
-			{
-				case mlt_image_none:
-					break;
-				case mlt_image_rgb24:
-					test_card.image = realloc( test_card.image, test_card.width * test_card.height * 3 );
-					memset( test_card.image, 255, test_card.width * test_card.height * 3 );
-					break;
-				case mlt_image_rgb24a:
-					test_card.image = realloc( test_card.image, test_card.width * test_card.height * 4 );
-					memset( test_card.image, 255, test_card.width * test_card.height * 4 );
-					break;
-				case mlt_image_yuv422:
-					test_card.image = realloc( test_card.image, test_card.width * test_card.height * 2 );
-					p = test_card.image;
-					q = test_card.image + test_card.width * test_card.height * 2;
-					while ( p != q )
-					{
-						*p ++ = 255;
-						*p ++ = 128;
-					}
-					break;
-				case mlt_image_yuv420p:
-					test_card.image = realloc( test_card.image, test_card.width * test_card.height * 3 / 2 );
-					memset( test_card.image, 255, test_card.width * test_card.height * 3 / 2 );
-					break;
-			}
+			mlt_properties test_properties = mlt_frame_properties( test_frame );
+			mlt_properties_set_double( test_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "consumer_aspect_ratio" ) );
+			mlt_properties_set_double( test_properties, "consumer_scale", mlt_properties_get_double( properties, "consumer_scale" ) );
+			mlt_properties_set( test_properties, "rescale.interp", "nearest" );
+			mlt_frame_get_image( test_frame, buffer, format, width, height, writable );
+			mlt_properties_inherit( properties, test_properties );
+			mlt_properties_set_data( properties, "test_card_frame", test_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
+			mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, NULL, NULL );
+			mlt_properties_set_int( properties, "width", *width );
+			mlt_properties_set_int( properties, "height", *height );
 		}
+		else
+		{
+			mlt_properties_set_data( properties, "test_card_producer", NULL, 0, NULL, NULL );
+			mlt_frame_get_image( this, buffer, format, width, height, writable );
+		}
+	}
+	else
+	{
+		void *release = NULL;
+		uint8_t *p;
+		uint8_t *q;
+		int size = 0;
 
-		*width = test_card.width;
-		*height = test_card.height;
-		*buffer = test_card.image;
+		*width = *width == 0 ? 720 : *width;
+		*height = *height == 0 ? 576 : *height;
+		size = *width * *height;
 
 		mlt_properties_set_int( properties, "width", *width );
 		mlt_properties_set_int( properties, "height", *height );
 
-		if ( writable )
+		switch( *format )
 		{
-			uint8_t *copy = malloc( *width * *height * 2 );
-			memcpy( copy, *buffer, *width * *height * 2 );
-			mlt_properties_set_data( properties, "image", copy, *width * *height * 2, free, NULL );
-			*buffer = copy;
-		}
-		else
-		{
-			mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, NULL, NULL );
+			case mlt_image_none:
+				size = 0;
+				*buffer = NULL;
+				break;
+			case mlt_image_rgb24:
+				size *= 3;
+				size += *width * 3;
+				*buffer = mlt_pool_allocate( size, &release );
+				if ( *buffer )
+					memset( *buffer, 255, size );
+				break;
+			case mlt_image_rgb24a:
+				size *= 4;
+				size += *width * 4;
+				*buffer = mlt_pool_allocate( size, &release );
+				if ( *buffer )
+					memset( *buffer, 255, size );
+				break;
+			case mlt_image_yuv422:
+				size *= 2;
+				size += *width * 2;
+				*buffer = mlt_pool_allocate( size, &release );
+				p = *buffer;
+				q = p + size;
+				while ( p != NULL && p != q )
+				{
+					*p ++ = 255;
+					*p ++ = 128;
+				}
+				break;
+			case mlt_image_yuv420p:
+				size = size * 3 / 2;
+				*buffer = mlt_pool_allocate( size, &release );
+				if ( *buffer )
+					memset( *buffer, 255, size );
+				break;
 		}
+
+		mlt_properties_set_data( properties, "image_release", release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+		mlt_properties_set_data( properties, "image", *buffer, size, NULL, NULL );
+		mlt_properties_set_int( properties, "test_image", 1 );
 	}
 
 	return 0;
@@ -247,31 +276,31 @@ uint8_t *mlt_frame_get_alpha_mask( mlt_frame this )
 {
 	if ( this->get_alpha_mask != NULL )
 		return this->get_alpha_mask( this );
-	return test_card.alpha;
+	return NULL;
 }
 
 int mlt_frame_get_audio( mlt_frame this, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
 {
+	mlt_properties properties = mlt_frame_properties( this );
+
 	if ( this->get_audio != NULL )
 	{
 		return this->get_audio( this, buffer, format, frequency, channels, samples );
 	}
 	else
 	{
-		if ( *samples <= 0 )
-			*samples = 1920;
-		if ( *channels <= 0 )
-			*channels = 2;
-		if ( *frequency <= 0 )
-			*frequency = 48000;
-		if ( test_card.audio == NULL || test_card.afmt != *format )
-		{
-			test_card.afmt = *format;
-			test_card.audio = realloc( test_card.audio, *samples * *channels * sizeof( int16_t ) );
-			memset( test_card.audio, 0, *samples * *channels * sizeof( int16_t ) );
-		}
-		
-		*buffer = test_card.audio;
+		int size = 0;
+		void *release = NULL;
+		*samples = *samples <= 0 ? 1920 : *samples;
+		*channels = *channels <= 0 ? 2 : *channels;
+		*frequency = *frequency <= 0 ? 48000 : *frequency;
+		size = *samples * *channels * sizeof( int16_t );
+		*buffer = mlt_pool_allocate( size, &release );
+		if ( *buffer != NULL )
+			memset( *buffer, 0, size );
+		mlt_properties_set_data( properties, "audio_release", release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+		mlt_properties_set_data( properties, "audio", *buffer, size, NULL, NULL );
+		mlt_properties_set_int( properties, "test_audio", 1 );
 	}
 	return 0;
 }
@@ -404,29 +433,6 @@ int mlt_convert_yuv420p_to_yuv422( uint8_t *yuv420p, int width, int height, int
 	return ret;
 }
 
-void *memfill( void *dst, void *src, int l, int elements )
-{
-	int i = 0;
-	if ( l == 2 )
-	{
-		uint8_t *p = dst;
-		uint8_t *src1 = src;
-		uint8_t *src2 = src + 1;
-		for ( i = 0; i < elements; i ++ )
-		{
-			*p ++ = *src1;
-			*p ++ = *src2;
-		}
-		dst = p;
-	}
-	else
-	{
-		for ( i = 0; i < elements; i ++ )
-			dst = memcpy( dst, src, l ) + l;
-	}
-	return dst;
-}
-
 void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input, int iwidth, int iheight )
 {
 	// Calculate strides
@@ -438,6 +444,10 @@ void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input
 	iheight = iheight - ( iheight % 2 );
 	oheight = oheight - ( oheight % 2 );
 
+	// Optimisation point
+	if ( iwidth == owidth && iheight == oheight )
+		memcpy( output, input, iheight * istride );
+
    	// Coordinates (0,0 is middle of output)
    	int y;
 
@@ -455,38 +465,62 @@ void mlt_resize_yuv422( uint8_t *output, int owidth, int oheight, uint8_t *input
    	uint8_t *in_middle = input + istride * ( iheight / 2 ) + ( iwidth / 2 ) * 2;
    	int in_line = - in_y_range * istride - in_x_range * 2;
 
-	uint8_t black[ 2 ] = { 16, 128 };
+	uint8_t black[ 2 ] = { 0, 128 };
+	int elements;
+
+	// Fill whole section with black
+	y = out_y_range - ( iheight / 2 );
+	int blank_elements = ostride * y / 2;
+	elements = blank_elements;
+	while ( elements -- )
+	{
+		*out_line ++ = black[ 0 ];
+		*out_line ++ = black[ 1 ];
+	}
+
+	int active_width = 2 * iwidth;
+	int inactive_width = out_x_range - in_x_range;
 
    	// Loop for the entirety of our output height.
-   	for ( y = - out_y_range; y < out_y_range ; y ++ )
+	while ( iheight -- )
    	{
        	// Start at the beginning of the line
        	out_ptr = out_line;
 
-		if ( abs( y ) < iheight / 2 )
+		// Fill the outer part with black
+		elements = inactive_width;
+		while ( elements -- )
 		{
-			// Fill the outer part with black
-			out_ptr = memfill( out_ptr, black, 2, out_x_range - in_x_range );
-
-       		// We're in the input range for this row.
-			memcpy( out_ptr, in_middle + in_line, 2 * iwidth );
-			out_ptr += 2 * iwidth;
+			*out_ptr ++ = black[ 0 ];
+			*out_ptr ++ = black[ 1 ];
+		}
 
-			// Fill the outer part with black
-			out_ptr = memfill( out_ptr, black, 2, out_x_range - in_x_range );
+   		// We're in the input range for this row.
+		memcpy( out_ptr, in_middle + in_line, active_width );
+		out_ptr += active_width;
 
-       		// Move to next input line
-       		in_line += istride;
-		}
-		else
+		// Fill the outer part with black
+		elements = inactive_width;
+		while ( elements -- )
 		{
-			// Fill whole line with black
-			out_ptr = memfill( out_ptr, black, 2, owidth );
+			*out_ptr ++ = black[ 0 ];
+			*out_ptr ++ = black[ 1 ];
 		}
 
+  		// Move to next input line
+   		in_line += istride;
+
        	// Move to next output line
        	out_line += ostride;
    	}
+
+	// Fill whole section with black
+	elements = blank_elements;
+	while ( elements -- )
+	{
+		*out_line ++ = black[ 0 ];
+		*out_line ++ = black[ 1 ];
+	}
 }
 
 /** A resizing function for yuv422 frames - this does not rescale, but simply
@@ -507,21 +541,21 @@ uint8_t *mlt_frame_resize_yuv422( mlt_frame this, int owidth, int oheight )
 	if ( iwidth != owidth || iheight != oheight )
 	{
 		// Create the output image
-		uint8_t *output = malloc( owidth * oheight * 2 );
+		void *release = NULL;
+		uint8_t *output = mlt_pool_allocate( owidth * ( oheight + 1 ) * 2, &release );
 
 		// Call the generic resize
 		mlt_resize_yuv422( output, owidth, oheight, input, iwidth, iheight );
 
 		// Now update the frame
-		mlt_properties_set_data( properties, "image", output, owidth * oheight * 2, free, NULL );
+		mlt_properties_set_data( properties, "image_release", release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+		mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * 2, NULL, NULL );
 		mlt_properties_set_int( properties, "width", owidth );
 		mlt_properties_set_int( properties, "height", oheight );
-		mlt_frame_set_aspect_ratio( this, 4.0/3.0/*( float )owidth / oheight*/ );
 
 		// Return the output
 		return output;
 	}
-
 	// No change, return input
 	return input;
 }
@@ -544,7 +578,8 @@ uint8_t *mlt_frame_rescale_yuv422( mlt_frame this, int owidth, int oheight )
 	if ( iwidth != owidth || iheight != oheight )
 	{
 		// Create the output image
-		uint8_t *output = malloc( owidth * oheight * 2 );
+		void *release = NULL;
+		uint8_t *output = mlt_pool_allocate( owidth * ( oheight + 1 ) * 2, &release );
 
 		// Calculate strides
 		int istride = iwidth * 2;
@@ -607,7 +642,8 @@ uint8_t *mlt_frame_rescale_yuv422( mlt_frame this, int owidth, int oheight )
     	}
 
 		// Now update the frame
-		mlt_properties_set_data( properties, "image", output, owidth * oheight * 2, free, NULL );
+		mlt_properties_set_data( properties, "image_release", release, 0, ( mlt_destructor )mlt_pool_release, NULL );
+		mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * 2, NULL, NULL );
 		mlt_properties_set_int( properties, "width", owidth );
 		mlt_properties_set_int( properties, "height", oheight );
 
@@ -619,7 +655,7 @@ uint8_t *mlt_frame_rescale_yuv422( mlt_frame this, int owidth, int oheight )
 	return input;
 }
 
-int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
+int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight_start, float weight_end, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
 {
 	int ret = 0;
 	int16_t *p_src, *p_dest;
@@ -677,6 +713,10 @@ int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight, int16_t *
 	*buffer = p_dest;
 	*frequency = frequency_dest;
 
+	// Compute a smooth ramp over start to end
+	float weight = weight_start;
+	float weight_step = ( weight_end - weight_start ) / *samples;
+
 	// Mixdown
 	for ( i = 0; i < *samples; i++ )
 	{
@@ -688,6 +728,7 @@ int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight, int16_t *
 				s = (double) src[ i * channels_src + j ];
 			dest[ i * channels_dest + j ] = s * weight + d * ( 1.0 - weight );
 		}
+		weight += weight_step;
 	}
 
 	// We have to copy --sigh