X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fkdenlive%2Fproducer_framebuffer.c;h=10dc22fecee88b00686cc5610b63607404f55701;hb=e89b21b07607ae485f56b32f3e67f83f528f2ae6;hp=9e6ba2da4e4be9d4fca83105732b900a73bbb493;hpb=83018fd07d3ef9881a7feafbefb29e417035a7d7;p=melted diff --git a/src/modules/kdenlive/producer_framebuffer.c b/src/modules/kdenlive/producer_framebuffer.c index 9e6ba2d..10dc22f 100644 --- a/src/modules/kdenlive/producer_framebuffer.c +++ b/src/modules/kdenlive/producer_framebuffer.c @@ -18,7 +18,6 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include "producer_framebuffer.h" #include #include @@ -50,20 +49,23 @@ static int framebuffer_get_image( mlt_frame this, uint8_t **image, mlt_image_for *width = mlt_properties_get_int( frame_properties, "width" ); *height = mlt_properties_get_int( frame_properties, "height" ); - // image stride - int size, xstride, ystride; - switch( *format ){ - case mlt_image_yuv422: - size = *width * *height * 2; - xstride = 2; - ystride = 2 * *width; + int size; + switch ( *format ) + { + case mlt_image_yuv420p: + size = *width * 3 * ( *height + 1 ) / 2; + break; + case mlt_image_rgb24: + size = *width * ( *height + 1 ) * 3; break; default: - fprintf(stderr, "Unsupported image format\n"); - return -1; + *format = mlt_image_yuv422; + size = *width * ( *height + 1 ) * 2; + break; } - uint8_t *output = mlt_properties_get_data( producer_properties, "output_buffer", 0 ); + uint8_t *output = mlt_properties_get_data( producer_properties, "output_buffer", NULL ); + if( output == NULL ) { output = mlt_pool_alloc( size ); @@ -80,6 +82,11 @@ static int framebuffer_get_image( mlt_frame this, uint8_t **image, mlt_image_for if( first_image == NULL ) { + mlt_properties props = MLT_FRAME_PROPERTIES( this ); + mlt_properties test_properties = MLT_FRAME_PROPERTIES( first_frame ); + mlt_properties_set_double( test_properties, "consumer_aspect_ratio", mlt_properties_get_double( props, "consumer_aspect_ratio" ) ); + mlt_properties_set( test_properties, "rescale.interp", mlt_properties_get( props, "rescale.interp" ) ); + error = mlt_frame_get_image( first_frame, &first_image, format, width, height, writable ); if( error != 0 ) { @@ -106,8 +113,8 @@ static int framebuffer_get_image( mlt_frame this, uint8_t **image, mlt_image_for static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index ) { // Construct a new frame - *frame = mlt_frame_init( ); - mlt_properties properties = MLT_PRODUCER_PROPERTIES(this); + *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( this ) ); + mlt_properties properties = MLT_PRODUCER_PROPERTIES( this ); if( frame != NULL ) { @@ -164,8 +171,6 @@ static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index // Get the frame mlt_service_get_frame( MLT_PRODUCER_SERVICE( real_producer ), &first_frame, index ); - - double ratio = (double) mlt_properties_get_int( MLT_FRAME_PROPERTIES( first_frame ), "width" ) / (double) mlt_properties_get_int( MLT_FRAME_PROPERTIES( first_frame ), "height" ) / ( (double) mlt_properties_get_int(MLT_FRAME_PROPERTIES( *frame ), "width" ) / (double) mlt_properties_get_int( MLT_FRAME_PROPERTIES( *frame ), "height" )); } // Make sure things are in their place @@ -181,19 +186,18 @@ static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int index // Give the returned frame temporal identity mlt_frame_set_position( *frame, mlt_producer_position( this ) ); - mlt_properties_set_double( MLT_FRAME_PROPERTIES(*frame), "aspect_ratio", mlt_properties_get_double( properties, "ratio_fix" )); } return 0; } -mlt_producer producer_framebuffer_init( char *arg ) +mlt_producer producer_framebuffer_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg ) { - + if ( !arg ) return NULL; mlt_producer this = NULL; this = calloc( 1, sizeof( struct mlt_producer_s ) ); - mlt_producer_init( this, NULL ); + mlt_producer_init( this, NULL ); // Wrap fezzik mlt_producer real_producer; @@ -201,8 +205,8 @@ mlt_producer producer_framebuffer_init( char *arg ) // Check if a speed was specified. /** - * Speed must be appended to the filename with ':'. To play your video at 50%: - inigo framebuffer:my_video.mpg:0.5 + * Speed must be appended to the filename with '?'. To play your video at 50%: + inigo framebuffer:my_video.mpg?0.5 * Stroboscope effect can be obtained by adding a stobe=x parameter, where x is the number of frames that will be ignored. @@ -214,25 +218,23 @@ mlt_producer producer_framebuffer_init( char *arg ) **/ - double speed; - - int count; + double speed = 0.0; char *props = strdup( arg ); - char *ptr = props; - count = strcspn( ptr, ":" ); - ptr[count] = '\0'; - - real_producer = mlt_factory_producer( "fezzik", props ); - - ptr += count + 1; - ptr += strspn( ptr, ":" ); - count = strcspn( ptr, ":" ); - ptr[count] = '\0'; - speed = atof(ptr); - free( props ); + char *ptr = strrchr( props, '?' ); - if (speed == 0.0) speed = 1.0; + if ( ptr ) + { + speed = atof( ptr + 1 ); + if ( speed != 0.0 ) + // If speed was valid, then strip it and the delimiter. + // Otherwise, an invalid speed probably means this '?' was not a delimiter. + *ptr = '\0'; + } + + real_producer = mlt_factory_producer( profile, "fezzik", props ); + free( props ); + if (speed == 0.0) speed = 1.0; if ( this != NULL && real_producer != NULL) { @@ -241,19 +243,26 @@ mlt_producer producer_framebuffer_init( char *arg ) // Fezzik normalised it for us already mlt_properties_set_int( properties, "fezzik_normalised", 1); + mlt_properties_set( properties, "resource", arg); // Store the producer and fitler mlt_properties_set_data( properties, "producer", real_producer, 0, ( mlt_destructor )mlt_producer_close, NULL ); // Grab some stuff from the real_producer - mlt_properties_pass_list( properties, MLT_PRODUCER_PROPERTIES( real_producer ), "length,resource,width,height" ); + mlt_properties_pass_list( properties, MLT_PRODUCER_PROPERTIES( real_producer ), "length, width,height" ); + if ( speed < 0 ) + { + speed = -speed; + mlt_properties_set_int( properties, "reverse", 1 ); + } if ( speed != 1.0 ) { - double real_length = (double) mlt_producer_get_length( real_producer ); - mlt_properties_set_position( properties, "length", real_length / speed ); + double real_length = ( (double) mlt_producer_get_length( real_producer ) ) / speed; + mlt_properties_set_position( properties, "length", real_length ); } + mlt_properties_set_position( properties, "out", mlt_producer_get_length( this ) - 1 ); // Since we control the seeking, prevent it from seeking on its own mlt_producer_set_speed( real_producer, 0 );