#include "config.h"
#include "mlt_frame.h"
#include "mlt_producer.h"
+#include "mlt_factory.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
if ( this != NULL )
{
// Get the normalisation
- char *normalisation = getenv( "MLT_NORMALISATION" );
+ char *normalisation = mlt_environment( "MLT_NORMALISATION" );
// Initialise the properties
mlt_properties properties = &this->parent;
mlt_properties_set_int( properties, "height", 576 );
mlt_properties_set_int( properties, "normalised_width", 720 );
mlt_properties_set_int( properties, "normalised_height", 576 );
+ mlt_properties_set_double( properties, "aspect_ratio", 72.0/79.0 );
}
else
{
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", 128.0/117.0 );
}
- 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 );
// Construct stacks for frames and methods
- this->stack_get_image = mlt_deque_init( );
- this->stack_frame = mlt_deque_init( );
- this->stack_service = mlt_deque_init( );
+ this->stack_image = mlt_deque_init( );
+ this->stack_audio = mlt_deque_init( );
}
return this;
int mlt_frame_push_get_image( mlt_frame this, mlt_get_image get_image )
{
- return mlt_deque_push_back( this->stack_get_image, get_image );
+ return mlt_deque_push_back( this->stack_image, get_image );
}
/** Pop a get_image callback.
mlt_get_image mlt_frame_pop_get_image( mlt_frame this )
{
- return mlt_deque_pop_back( this->stack_get_image );
+ return mlt_deque_pop_back( this->stack_image );
}
/** Push a frame.
int mlt_frame_push_frame( mlt_frame this, mlt_frame that )
{
- return mlt_deque_push_back( this->stack_frame, that );
+ return mlt_deque_push_back( this->stack_image, that );
}
/** Pop a frame.
mlt_frame mlt_frame_pop_frame( mlt_frame this )
{
- return mlt_deque_pop_back( this->stack_frame );
+ return mlt_deque_pop_back( this->stack_image );
}
/** Push a service.
int mlt_frame_push_service( mlt_frame this, void *that )
{
- return mlt_deque_push_back( this->stack_service, that );
+ return mlt_deque_push_back( this->stack_image, that );
}
/** Pop a service.
void *mlt_frame_pop_service( mlt_frame this )
{
- return mlt_deque_pop_back( this->stack_service );
+ return mlt_deque_pop_back( this->stack_image );
+}
+
+/** Push an audio item on the stack.
+*/
+
+int mlt_frame_push_audio( mlt_frame this, void *that )
+{
+ return mlt_deque_push_back( this->stack_audio, that );
+}
+
+/** Pop an audio item from the stack
+*/
+
+void *mlt_frame_pop_audio( mlt_frame this )
+{
+ return mlt_deque_pop_back( this->stack_audio );
}
int mlt_frame_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
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_set_data( properties, "test_card_frame", test_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
q = p + size;
while ( p != NULL && p != q )
{
- *p ++ = 255;
+ *p ++ = 235;
*p ++ = 128;
}
break;
{
if ( this != NULL )
{
- mlt_deque_close( this->stack_get_image );
- mlt_deque_close( this->stack_frame );
- mlt_deque_close( this->stack_service );
+ mlt_deque_close( this->stack_image );
+ mlt_deque_close( this->stack_audio );
mlt_properties_close( &this->parent );
free( this );
}
}
/***** convenience functions *****/
-#define RGB2YUV(r, g, b, y, u, v)\
- y = (306*r + 601*g + 117*b) >> 10;\
- u = ((-172*r - 340*g + 512*b) >> 10) + 128;\
- v = ((512*r - 429*g - 83*b) >> 10) + 128;\
- y = y < 0 ? 0 : y;\
- u = u < 0 ? 0 : u;\
- v = v < 0 ? 0 : v;\
- y = y > 255 ? 255 : y;\
- u = u > 255 ? 255 : u;\
- v = v > 255 ? 255 : v
int mlt_convert_rgb24a_to_yuv422( uint8_t *rgba, int width, int height, int stride, uint8_t *yuv, uint8_t *alpha )
{
elements = blank_elements;
while ( elements -- )
{
- *out_line ++ = 0;
+ *out_line ++ = 16;
*out_line ++ = 128;
}
elements = inactive_width;
while ( elements -- )
{
- *out_ptr ++ = 0;
+ *out_ptr ++ = 16;
*out_ptr ++ = 128;
}
elements = inactive_width;
while ( elements -- )
{
- *out_ptr ++ = 0;
+ *out_ptr ++ = 16;
*out_ptr ++ = 128;
}
elements = blank_elements;
while ( elements -- )
{
- *out_line ++ = 0;
+ *out_line ++ = 16;
*out_line ++ = 128;
}
}
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;
int16_t *src, *dest;
- //static int16_t *extra_src = NULL, *extra_dest = NULL;
- static int extra_src_samples = 0, extra_dest_samples = 0;
int frequency_src = *frequency, frequency_dest = *frequency;
int channels_src = *channels, channels_dest = *channels;
int samples_src = *samples, samples_dest = *samples;
int i, j;
double d = 0, s = 0;
- mlt_frame_get_audio( this, &p_dest, format, &frequency_dest, &channels_dest, &samples_dest );
+ mlt_frame_get_audio( this, &dest, format, &frequency_dest, &channels_dest, &samples_dest );
//fprintf( stderr, "mix: frame dest samples %d channels %d position %lld\n", samples_dest, channels_dest, mlt_properties_get_position( mlt_frame_properties( this ), "_position" ) );
- mlt_frame_get_audio( that, &p_src, format, &frequency_src, &channels_src, &samples_src );
+ mlt_frame_get_audio( that, &src, format, &frequency_src, &channels_src, &samples_src );
//fprintf( stderr, "mix: frame src samples %d channels %d\n", samples_src, channels_src );
- src = p_src;
- dest = p_dest;
+
if ( channels_src > 6 )
channels_src = 0;
if ( channels_dest > 6 )
if ( samples_dest > 4000 )
samples_dest = 0;
-#if 0
- // Append new samples to leftovers
- if ( extra_dest_samples > 0 )
- {
- fprintf( stderr, "prepending %d samples to dest\n", extra_dest_samples );
- dest = realloc( extra_dest, ( samples_dest + extra_dest_samples ) * 2 * channels_dest );
- memcpy( &extra_dest[ extra_dest_samples * channels_dest ], p_dest, samples_dest * 2 * channels_dest );
- }
- else
- dest = p_dest;
- if ( extra_src_samples > 0 )
- {
- fprintf( stderr, "prepending %d samples to src\n", extra_src_samples );
- src = realloc( extra_src, ( samples_src + extra_src_samples ) * 2 * channels_src );
- memcpy( &extra_src[ extra_src_samples * channels_src ], p_src, samples_src * 2 * channels_src );
- }
- else
- src = p_src;
-#endif
-
- // determine number of samples to process
- if ( samples_src + extra_src_samples < samples_dest + extra_dest_samples )
- *samples = samples_src + extra_src_samples;
- else if ( samples_dest + extra_dest_samples < samples_src + extra_src_samples )
- *samples = samples_dest + extra_dest_samples;
-
+ // determine number of samples to process
+ *samples = samples_src < samples_dest ? samples_src : samples_dest;
*channels = channels_src < channels_dest ? channels_src : channels_dest;
- *buffer = p_dest;
+ *buffer = dest;
*frequency = frequency_dest;
// Compute a smooth ramp over start to end
weight += weight_step;
}
- // We have to copy --sigh
- if ( dest != p_dest )
- memcpy( p_dest, dest, *samples * 2 * *channels );
-
-#if 0
- // Store the leftovers
- if ( samples_src + extra_src_samples < samples_dest + extra_dest_samples )
- {
- extra_dest_samples = ( samples_dest + extra_dest_samples ) - ( samples_src + extra_src_samples );
- size_t size = extra_dest_samples * 2 * channels_dest;
- fprintf( stderr, "storing %d samples from dest\n", extra_dest_samples );
- if ( extra_dest )
- free( extra_dest );
- extra_dest = malloc( size );
- if ( extra_dest )
- memcpy( extra_dest, &p_dest[ ( samples_dest - extra_dest_samples - 1 ) * channels_dest ], size );
- else
- extra_dest_samples = 0;
- }
- else if ( samples_dest + extra_dest_samples < samples_src + extra_src_samples )
- {
- extra_src_samples = ( samples_src + extra_src_samples ) - ( samples_dest + extra_dest_samples );
- size_t size = extra_src_samples * 2 * channels_src;
- fprintf( stderr, "storing %d samples from src\n", extra_dest_samples );
- if ( extra_src )
- free( extra_src );
- extra_src = malloc( size );
- if ( extra_src )
- memcpy( extra_src, &p_src[ ( samples_src - extra_src_samples - 1 ) * channels_src ], size );
- else
- extra_src_samples = 0;
- }
-#endif
-
return ret;
}
return samples;
}
-
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