diff options
Diffstat (limited to 'gst/deinterlace2/tvtime/speedy.c')
| -rw-r--r-- | gst/deinterlace2/tvtime/speedy.c | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/gst/deinterlace2/tvtime/speedy.c b/gst/deinterlace2/tvtime/speedy.c index 821cc254..d19d917f 100644 --- a/gst/deinterlace2/tvtime/speedy.c +++ b/gst/deinterlace2/tvtime/speedy.c @@ -1,4 +1,4 @@ -/** +/* * Copyright (c) 2002, 2003 Billy Biggs <vektor@dumbterm.net>. * Copyright (C) 2001 Matthew J. Marjanovic <maddog@mir.com> * @@ -17,7 +17,7 @@ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/** +/* * Includes 420to422, 422to444 scaling filters from the MPEG2 reference * implementation. The v12 source code indicates that they were written * by Cheung Auyeung <auyeung@mot.com>. The file they were in was: @@ -49,7 +49,7 @@ * */ -/** +/* * Code for the UYVY to YUYV routine comes from rivatv: * * rivatv-convert.c video image conversion routines @@ -157,7 +157,7 @@ void (*convert_uyvy_to_yuyv_scanline) (uint8_t * uyvy_buf, uint8_t * yuyv_buf, void (*composite_colour4444_alpha_to_packed422_scanline) (uint8_t * output, uint8_t * input, int af, int y, int cb, int cr, int width, int alpha); -/** +/* * result = (1 - alpha)B + alpha*F * = B - alpha*B + alpha*F * = B + alpha*(F - B) @@ -574,7 +574,7 @@ packed422_to_packed444_scanline_c (uint8_t * output, uint8_t * input, int width) } } -/** +/* * For the middle pixels, the filter kernel is: * * [-1 3 -6 12 -24 80 80 -24 12 -6 3 -1] @@ -1290,7 +1290,7 @@ blit_colour_packed4444_scanline_mmxext (uint8_t * output, int width, #endif -/** +/* * Some memcpy code inspired by the xine code which originally came * from mplayer. */ @@ -1450,12 +1450,12 @@ composite_colour4444_alpha_to_packed422_scanline_c (uint8_t * output, int i; for (i = 0; i < width; i++) { - /** - * (1 - alpha)*B + alpha*F - * (1 - af*a)*B + af*a*F - * B - af*a*B + af*a*F - * B + a*(af*F - af*B) - */ + /* + * (1 - alpha)*B + alpha*F + * (1 - af*a)*B + af*a*F + * B - af*a*B + af*a*F + * B + a*(af*F - af*B) + */ output[0] = input[0] + ((alpha * (y - multiply_alpha (af, @@ -1463,17 +1463,17 @@ composite_colour4444_alpha_to_packed422_scanline_c (uint8_t * output, if ((i & 1) == 0) { - /** - * At first I thought I was doing this incorrectly, but - * the following math has convinced me otherwise. - * - * C_r = (1 - alpha)*B + alpha*F - * C_r = B - af*a*B + af*a*F - * - * C_r = 128 + ((1 - af*a)*(B - 128) + a*af*(F - 128)) - * C_r = 128 + (B - af*a*B - 128 + af*a*128 + a*af*F - a*af*128) - * C_r = B - af*a*B + a*af*F - */ + /* + * At first I thought I was doing this incorrectly, but + * the following math has convinced me otherwise. + * + * C_r = (1 - alpha)*B + alpha*F + * C_r = B - af*a*B + af*a*F + * + * C_r = 128 + ((1 - af*a)*(B - 128) + a*af*(F - 128)) + * C_r = 128 + (B - af*a*B - 128 + af*a*128 + a*af*F - a*af*128) + * C_r = B - af*a*B + a*af*F + */ output[1] = input[1] + ((alpha * (cb - multiply_alpha (af, @@ -1604,12 +1604,12 @@ composite_packed4444_alpha_to_packed422_scanline_c (uint8_t * output, output[3] = foreground[3]; } } else if (a) { - /** - * (1 - alpha)*B + alpha*F - * (1 - af*a)*B + af*a*F - * B - af*a*B + af*a*F - * B + a*(af*F - af*B) - */ + /* + * (1 - alpha)*B + alpha*F + * (1 - af*a)*B + af*a*F + * B - af*a*B + af*a*F + * B + a*(af*F - af*B) + */ output[0] = input[0] + ((alpha * (foreground[1] @@ -1617,17 +1617,17 @@ composite_packed4444_alpha_to_packed422_scanline_c (uint8_t * output, if ((i & 1) == 0) { - /** - * At first I thought I was doing this incorrectly, but - * the following math has convinced me otherwise. - * - * C_r = (1 - alpha)*B + alpha*F - * C_r = B - af*a*B + af*a*F - * - * C_r = 128 + ((1 - af*a)*(B - 128) + a*af*(F - 128)) - * C_r = 128 + (B - af*a*B - 128 + af*a*128 + a*af*F - a*af*128) - * C_r = B - af*a*B + a*af*F - */ + /* + * At first I thought I was doing this incorrectly, but + * the following math has convinced me otherwise. + * + * C_r = (1 - alpha)*B + alpha*F + * C_r = B - af*a*B + af*a*F + * + * C_r = 128 + ((1 - af*a)*(B - 128) + a*af*(F - 128)) + * C_r = 128 + (B - af*a*B - 128 + af*a*128 + a*af*F - a*af*128) + * C_r = B - af*a*B + a*af*F + */ output[1] = input[1] + ((alpha * (foreground[2] - multiply_alpha (foreground[0], input[1])) + 0x80) >> 8); @@ -1762,20 +1762,20 @@ composite_packed4444_to_packed422_scanline_c (uint8_t * output, uint8_t * input, output[3] = foreground[3]; } } else if (a) { - /** - * (1 - alpha)*B + alpha*F - * B + af*F - af*B - */ + /* + * (1 - alpha)*B + alpha*F + * B + af*F - af*B + */ output[0] = input[0] + foreground[1] - multiply_alpha (foreground[0], input[0]); if ((i & 1) == 0) { - /** - * C_r = (1 - af)*B + af*F - * C_r = B - af*B + af*F - */ + /* + * C_r = (1 - af)*B + af*F + * C_r = B - af*B + af*F + */ output[1] = input[1] + foreground[2] - multiply_alpha (foreground[0], input[1]); @@ -1887,7 +1887,7 @@ composite_packed4444_to_packed422_scanline_mmxext (uint8_t * output, } #endif -/** +/* * um... just need some scrap paper... * D = (1 - alpha)*B + alpha*F * D = (1 - a)*B + a*textluma @@ -2287,7 +2287,7 @@ a8_subpix_blit_scanline_c (uint8_t * output, uint8_t * input, } } -/** +/* * These are from lavtools in mjpegtools: * * colorspace.c: Routines to perform colorspace conversions. @@ -2552,7 +2552,7 @@ packed444_to_rgb24_rec601_scanline_c (uint8_t * output, uint8_t * input, } } -/** +/* * 601 numbers: * * Y' = 0.299*R' + 0.587*G' + 0.114*B' (in 0.0 to 1.0) |