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-rw-r--r--libavcodec/golomb-test.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/libavcodec/golomb-test.c b/libavcodec/golomb-test.c
new file mode 100644
index 0000000000..e3c89b1587
--- /dev/null
+++ b/libavcodec/golomb-test.c
@@ -0,0 +1,73 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include "avcodec.h"
+#include "dsputil.h"
+#include "get_bits.h"
+#include "golomb.h"
+#include "put_bits.h"
+
+#undef printf
+#define COUNT 8000
+#define SIZE (COUNT*40)
+
+int main(void){
+ int i;
+ uint8_t temp[SIZE];
+ PutBitContext pb;
+ GetBitContext gb;
+
+ init_put_bits(&pb, temp, SIZE);
+ printf("testing unsigned exp golomb\n");
+ for(i=0; i<COUNT; i++){
+ set_ue_golomb(&pb, i);
+ }
+ flush_put_bits(&pb);
+
+ init_get_bits(&gb, temp, 8*SIZE);
+ for(i=0; i<COUNT; i++){
+ int j, s = show_bits(&gb, 24);
+
+ j= get_ue_golomb(&gb);
+ if(j != i){
+ printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
+ }
+ }
+
+ init_put_bits(&pb, temp, SIZE);
+ printf("testing signed exp golomb\n");
+ for(i=0; i<COUNT; i++){
+ set_se_golomb(&pb, i - COUNT/2);
+ }
+ flush_put_bits(&pb);
+
+ init_get_bits(&gb, temp, 8*SIZE);
+ for(i=0; i<COUNT; i++){
+ int j, s = show_bits(&gb, 24);
+
+ j= get_se_golomb(&gb);
+ if(j != i - COUNT/2){
+ printf("mismatch! at %d (%d should be %d) bits:%6X\n", i, j, i, s);
+ }
+ }
+
+ return 0;
+}