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-rw-r--r--libswscale/colorspace-test.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/libswscale/colorspace-test.c b/libswscale/colorspace-test.c
new file mode 100644
index 0000000000..2223ee3a31
--- /dev/null
+++ b/libswscale/colorspace-test.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <string.h> /* for memset() */
+#include <unistd.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include "swscale.h"
+#include "rgb2rgb.h"
+
+#define SIZE 1000
+#define srcByte 0x55
+#define dstByte 0xBB
+
+#define FUNC(s,d,n) {s,d,#n,n}
+
+static int cpu_caps;
+
+static char *args_parse(int argc, char *argv[])
+{
+ int o;
+
+ while ((o = getopt(argc, argv, "m23")) != -1) {
+ switch (o) {
+ case 'm':
+ cpu_caps |= SWS_CPU_CAPS_MMX;
+ break;
+ case '2':
+ cpu_caps |= SWS_CPU_CAPS_MMX2;
+ break;
+ case '3':
+ cpu_caps |= SWS_CPU_CAPS_3DNOW;
+ break;
+ default:
+ av_log(NULL, AV_LOG_ERROR, "Unknown option %c\n", o);
+ }
+ }
+
+ return argv[optind];
+}
+
+int main(int argc, char **argv)
+{
+ int i, funcNum;
+ uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE);
+ uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE);
+ int failedNum=0;
+ int passedNum=0;
+
+ av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
+ args_parse(argc, argv);
+ av_log(NULL, AV_LOG_INFO, "CPU capabilities forced to %x\n", cpu_caps);
+ sws_rgb2rgb_init(cpu_caps);
+
+ for(funcNum=0; ; funcNum++){
+ struct func_info_s {
+ int src_bpp;
+ int dst_bpp;
+ const char *name;
+ void (*func)(const uint8_t *src, uint8_t *dst, long src_size);
+ } func_info[] = {
+ FUNC(2, 2, rgb15to16),
+ FUNC(2, 3, rgb15to24),
+ FUNC(2, 4, rgb15to32),
+ FUNC(2, 3, rgb16to24),
+ FUNC(2, 4, rgb16to32),
+ FUNC(3, 2, rgb24to15),
+ FUNC(3, 2, rgb24to16),
+ FUNC(3, 4, rgb24to32),
+ FUNC(4, 2, rgb32to15),
+ FUNC(4, 2, rgb32to16),
+ FUNC(4, 3, rgb32to24),
+ FUNC(2, 2, rgb16to15),
+ FUNC(2, 2, rgb15tobgr15),
+ FUNC(2, 2, rgb15tobgr16),
+ FUNC(2, 3, rgb15tobgr24),
+ FUNC(2, 4, rgb15tobgr32),
+ FUNC(2, 2, rgb16tobgr15),
+ FUNC(2, 2, rgb16tobgr16),
+ FUNC(2, 3, rgb16tobgr24),
+ FUNC(2, 4, rgb16tobgr32),
+ FUNC(3, 2, rgb24tobgr15),
+ FUNC(3, 2, rgb24tobgr16),
+ FUNC(3, 3, rgb24tobgr24),
+ FUNC(3, 4, rgb24tobgr32),
+ FUNC(4, 2, rgb32tobgr15),
+ FUNC(4, 2, rgb32tobgr16),
+ FUNC(4, 3, rgb32tobgr24),
+ FUNC(4, 4, rgb32tobgr32),
+ FUNC(0, 0, NULL)
+ };
+ int width;
+ int failed=0;
+ int srcBpp=0;
+ int dstBpp=0;
+
+ if (!func_info[funcNum].func) break;
+
+ av_log(NULL, AV_LOG_INFO,".");
+ memset(srcBuffer, srcByte, SIZE);
+
+ for(width=63; width>0; width--){
+ int dstOffset;
+ for(dstOffset=128; dstOffset<196; dstOffset+=4){
+ int srcOffset;
+ memset(dstBuffer, dstByte, SIZE);
+
+ for(srcOffset=128; srcOffset<196; srcOffset+=4){
+ uint8_t *src= srcBuffer+srcOffset;
+ uint8_t *dst= dstBuffer+dstOffset;
+ const char *name=NULL;
+
+ if(failed) break; //don't fill the screen with shit ...
+
+ srcBpp = func_info[funcNum].src_bpp;
+ dstBpp = func_info[funcNum].dst_bpp;
+ name = func_info[funcNum].name;
+
+ func_info[funcNum].func(src, dst, width*srcBpp);
+
+ if(!srcBpp) break;
+
+ for(i=0; i<SIZE; i++){
+ if(srcBuffer[i]!=srcByte){
+ av_log(NULL, AV_LOG_INFO, "src damaged at %d w:%d src:%d dst:%d %s\n",
+ i, width, srcOffset, dstOffset, name);
+ failed=1;
+ break;
+ }
+ }
+ for(i=0; i<dstOffset; i++){
+ if(dstBuffer[i]!=dstByte){
+ av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
+ i, width, srcOffset, dstOffset, name);
+ failed=1;
+ break;
+ }
+ }
+ for(i=dstOffset + width*dstBpp; i<SIZE; i++){
+ if(dstBuffer[i]!=dstByte){
+ av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
+ i, width, srcOffset, dstOffset, name);
+ failed=1;
+ break;
+ }
+ }
+ }
+ }
+ }
+ if(failed) failedNum++;
+ else if(srcBpp) passedNum++;
+ }
+
+ av_log(NULL, AV_LOG_INFO, "\n%d converters passed, %d converters randomly overwrote memory\n", passedNum, failedNum);
+ return failedNum;
+}