X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_frame.c;h=880cdef4395fa3b61bb9f52daea727ecb209320f;hb=0bd5d91026b8bd143f957f119d61d5fedd45cf70;hp=a598f4e76b226406a1099d8d2091ee6d089385d3;hpb=20b174a97de49eff52526ec3a8b3154d8e2ce815;p=melted diff --git a/src/framework/mlt_frame.c b/src/framework/mlt_frame.c index a598f4e..880cdef 100644 --- a/src/framework/mlt_frame.c +++ b/src/framework/mlt_frame.c @@ -662,14 +662,14 @@ uint8_t *mlt_frame_rescale_yuv422( mlt_frame this, int owidth, int oheight ) uint8_t *in_ptr; // Generate the affine transform scaling values - float scale_width = ( float )iwidth / ( float )owidth; - float scale_height = ( float )iheight / ( float )oheight; + int scale_width = ( iwidth << 16 ) / owidth; + int scale_height = ( iheight << 16 ) / oheight; // Loop for the entirety of our output height. for ( y = - out_y_range; y < out_y_range ; y ++ ) { // Calculate the derived y value - dy = scale_height * y; + dy = ( scale_height * y ) >> 16; // Start at the beginning of the line out_ptr = out_line; @@ -681,23 +681,13 @@ uint8_t *mlt_frame_rescale_yuv422( mlt_frame this, int owidth, int oheight ) for ( x = - out_x_range; x < out_x_range; x += 1 ) { // Calculated the derived x - dx = scale_width * x; - - // Check if x and y are in the valid input range. - if ( abs( dx ) < in_x_range && abs( dy ) < in_y_range ) - { - // We're in the input range for this row. - in_ptr = in_line + dx * 2; - *out_ptr ++ = *in_ptr ++; - in_ptr = in_line + ( ( dx >> 1 ) << 2 ) + ( ( x & 1 ) << 1 ) + 1; - *out_ptr ++ = *in_ptr ++; - } - else - { - // We're not in the input range for this row. - *out_ptr ++ = 16; - *out_ptr ++ = 128; - } + dx = ( scale_width * x ) >> 16; + + // We're in the input range for this row. + in_ptr = in_line + ( dx << 1 ); + *out_ptr ++ = *in_ptr ++; + in_ptr = in_line + ( ( dx >> 1 ) << 2 ) + ( ( x & 1 ) << 1 ) + 1; + *out_ptr ++ = *in_ptr; } // Move to next output line @@ -731,9 +721,9 @@ int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight, int16_t * double d = 0, s = 0; mlt_frame_get_audio( this, &p_dest, format, &frequency_dest, &channels_dest, &samples_dest ); - fprintf( stderr, "frame dest samples %d channels %d position %lld\n", samples_dest, channels_dest, mlt_properties_get_position( mlt_frame_properties( this ), "position" ) ); + //fprintf( stderr, "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 ); - fprintf( stderr, "frame src samples %d channels %d\n", samples_src, channels_src ); + //fprintf( stderr, "frame src samples %d channels %d\n", samples_src, channels_src ); src = p_src; dest = p_dest; if ( channels_src > 6 )