i420_rgb: dead code

modules/video_chroma/i420_rgb16.c

@@ -49,150 +49,6 @@
 static void SetOffset( int, int, int, int, bool *,
                        unsigned int *, int * );
 
-#if defined (MODULE_NAME_IS_i420_rgb)
-/*****************************************************************************
- * I420_RGB16: color YUV 4:2:0 to RGB 16 bpp with dithering
- *****************************************************************************
- * Horizontal alignment needed:
- *  - input: 8 pixels (8 Y bytes, 4 U/V bytes), margins not allowed
- *  - output: 1 pixel (2 bytes), margins allowed
- * Vertical alignment needed:
- *  - input: 2 lines (2 Y lines, 1 U/V line)
- *  - output: 1 line
- *****************************************************************************/
-void I420_RGB16_dither( filter_t *p_filter, picture_t *p_src,
-                                                picture_t *p_dest )
-{
-    /* We got this one from the old arguments */
-    uint16_t *p_pic = (uint16_t*)p_dest->p->p_pixels;
-    uint8_t  *p_y   = p_src->Y_PIXELS;
-    uint8_t  *p_u   = p_src->U_PIXELS;
-    uint8_t  *p_v   = p_src->V_PIXELS;
-
-    bool   b_hscale;                        /* horizontal scaling type */
-    unsigned int i_vscale;                          /* vertical scaling type */
-    unsigned int i_x, i_y;                /* horizontal and vertical indexes */
-    unsigned int i_real_y;                                          /* y % 4 */
-
-    int         i_right_margin;
-    int         i_rewind;
-    int         i_scale_count;                       /* scale modulo counter */
-    int         i_chroma_width = p_filter->fmt_in.video.i_width / 2; /* chroma width */
-    uint16_t *  p_pic_start;       /* beginning of the current line for copy */
-    int         i_uval, i_vval;                           /* U and V samples */
-    int         i_red, i_green, i_blue;          /* U and V modified samples */
-    uint16_t *  p_yuv = p_filter->p_sys->p_rgb16;
-    uint16_t *  p_ybase;                     /* Y dependant conversion table */
-
-    /* Conversion buffer pointer */
-    uint16_t *  p_buffer_start = (uint16_t*)p_filter->p_sys->p_buffer;
-    uint16_t *  p_buffer;
-
-    /* Offset array pointer */
-    int *       p_offset_start = p_filter->p_sys->p_offset;
-    int *       p_offset;
-
-    const int i_source_margin = p_src->p[0].i_pitch
-                                 - p_src->p[0].i_visible_pitch;
-    const int i_source_margin_c = p_src->p[1].i_pitch
-                                 - p_src->p[1].i_visible_pitch;
-
-    /* The dithering matrices */
-    int dither10[4] = {  0x0,  0x8,  0x2,  0xa };
-    int dither11[4] = {  0xc,  0x4,  0xe,  0x6 };
-    int dither12[4] = {  0x3,  0xb,  0x1,  0x9 };
-    int dither13[4] = {  0xf,  0x7,  0xd,  0x5 };
-
-    for(i_x = 0; i_x < 4; i_x++)
-    {
-        dither10[i_x] = dither10[i_x] << (SHIFT - 4 + p_filter->fmt_out.video.i_rrshift);
-        dither11[i_x] = dither11[i_x] << (SHIFT - 4 + p_filter->fmt_out.video.i_rrshift);
-        dither12[i_x] = dither12[i_x] << (SHIFT - 4 + p_filter->fmt_out.video.i_rrshift);
-        dither13[i_x] = dither13[i_x] << (SHIFT - 4 + p_filter->fmt_out.video.i_rrshift);
-    }
-
-    i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
-    i_rewind = (-p_filter->fmt_in.video.i_width) & 7;
-
-    /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
-     * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
-     * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
-    SetOffset( p_filter->fmt_in.video.i_width,
-               p_filter->fmt_in.video.i_height,
-               p_filter->fmt_out.video.i_width,
-               p_filter->fmt_out.video.i_height,
-               &b_hscale, &i_vscale, p_offset_start );
-
-    /*
-     * Perform conversion
-     */
-    i_scale_count = ( i_vscale == 1 ) ?
-                    p_filter->fmt_out.video.i_height :
-                    p_filter->fmt_in.video.i_height;
-    for( i_y = 0; i_y < p_filter->fmt_in.video.i_height; i_y++ )
-    {
-        i_real_y = i_y & 0x3;
-        p_pic_start = p_pic;
-        p_buffer = b_hscale ? p_buffer_start : p_pic;
-
-        for ( i_x = p_filter->fmt_in.video.i_width / 8; i_x--; )
-        {
-            int *p_dither = dither10;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither11;
-            CONVERT_Y_PIXEL_DITHER(2);
-            p_dither = dither12;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither13;
-            CONVERT_Y_PIXEL_DITHER(2);
-            p_dither = dither10;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither11;
-            CONVERT_Y_PIXEL_DITHER(2);
-            p_dither = dither12;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither13;
-            CONVERT_Y_PIXEL_DITHER(2);
-        }
-
-        /* Here we do some unaligned reads and duplicate conversions, but
-         * at least we have all the pixels */
-        if( i_rewind )
-        {
-            int *p_dither = dither10;
-            p_y -= i_rewind;
-            p_u -= i_rewind >> 1;
-            p_v -= i_rewind >> 1;
-            p_buffer -= i_rewind;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither11;
-            CONVERT_Y_PIXEL_DITHER(2);
-            p_dither = dither12;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither13;
-            CONVERT_Y_PIXEL_DITHER(2);
-            p_dither = dither10;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither11;
-            CONVERT_Y_PIXEL_DITHER(2);
-            p_dither = dither12;
-            CONVERT_YUV_PIXEL_DITHER(2);
-            p_dither = dither13;
-            CONVERT_Y_PIXEL_DITHER(2);
-        }
-        SCALE_WIDTH;
-        SCALE_HEIGHT( 420, 2 );
-
-        p_y += i_source_margin;
-        if( i_y % 2 )
-        {
-            p_u += i_source_margin_c;
-            p_v += i_source_margin_c;
-        }
-    }
-}
-#endif
-
 /*****************************************************************************
  * I420_RGB16: color YUV 4:2:0 to RGB 16 bpp
  *****************************************************************************