/***************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// __ \_/ ___\| |/ /| __ \ / __ \ \/ / * Jukebox | | ( (__) ) \___| ( | \_\ ( (__) ) ( * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2009 Andrew Mahone * * scaler benchmark * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "plugin.h" #include "lib/jpeg_mem.h" PLUGIN_HEADER static unsigned char output; static int output_y = 0; static int font_h; static unsigned char *plugin_buf; char output_buf[256]; struct img_part part; /* a null output plugin to save memory and better isolate scale cost */ static unsigned int get_size_null(struct bitmap *bm) { (void) bm; return 1; } static void output_row_null(uint32_t row, void * row_in, struct scaler_context *ctx) { (void) row; uint32_t *in = (uint32_t *)row_in; #ifdef HAVE_LCD_COLOR uint32_t *lim = in + ctx->bm->width * 3; #else uint32_t *lim = in + ctx->bm->width; #endif while (in < lim) output = SC_OUT(*in++, ctx); return; } struct img_part *store_part_null(void *args) { (void) args; part.len = 256; part.buf = (typeof(part.buf))plugin_buf; return ∂ } const struct custom_format format_null = { .output_row_8 = NULL, #ifdef HAVE_LCD_COLOR .output_row_32 = { output_row_null, output_row_null }, #else .output_row_32 = output_row_null, #endif .get_size = get_size_null }; #define lcd_printf(...) \ do { \ rb->snprintf(output_buf, sizeof(output_buf), __VA_ARGS__); \ rb->lcd_putsxy(0, output_y, output_buf); \ rb->lcd_update_rect(0, output_y, LCD_WIDTH, font_h); \ output_y += font_h; \ } while (0) /* this is the plugin entry point */ enum plugin_status plugin_start(const void* parameter) { size_t plugin_buf_len; plugin_buf = (unsigned char *)rb->plugin_get_buffer(&plugin_buf_len); struct bitmap bm; struct dim in_dim; struct rowset rset = { .rowstep = 1, .rowstart = 0, }; (void)parameter; rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); rb->lcd_fillrect(0, 0, LCD_WIDTH, LCD_HEIGHT); rb->lcd_set_drawmode(DRMODE_SOLID); rb->lcd_getstringsize("A", NULL, &font_h); bm.data = plugin_buf; int in, out; for (in = 64; in < 1025; in <<= 2) { for (out = 64; out < 257; out <<= 1) { if (in == out) continue; lcd_printf("timing %dx%d->%dx>%d scale", in, in, out, out); long t1, t2, t_end; int count = 0; t2 = *(rb->current_tick); in_dim.width = in_dim.height = in; bm.width = bm.height = rset.rowstop = out; while (t2 != (t1 = *(rb->current_tick))); t_end = t1 + 10 * HZ; do { resize_on_load(&bm, false, &in_dim, &rset, (unsigned char *)plugin_buf, plugin_buf_len, &format_null, IF_PIX_FMT(0,) store_part_null, NULL); count++; t2 = *(rb->current_tick); } while (TIME_BEFORE(t2, t_end) || count < 10); t2 -= t1; t2 *= 10; t2 += count >> 1; t2 /= count; t1 = t2 / 1000; t2 -= t1 * 1000; lcd_printf("%01d.%03d secs/scale", (int)t1, (int)t2); if (!(bm.width && bm.height)) break; } } while (rb->get_action(CONTEXT_STD,1) != ACTION_STD_OK) rb->yield(); return PLUGIN_OK; }