checkasm: add a g722dsp test

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/tests/checkasm/g722dsp.c b/tests/checkasm/g722dsp.c
new file mode 100644
index 0000000000..6bcff11e3d
--- /dev/null
+++ b/tests/checkasm/g722dsp.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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 <string.h>
+#include "checkasm.h"
+#include "libavcodec/g722.h"
+#include "libavcodec/g722dsp.h"
+#include "libavcodec/mathops.h"
+
+#define randomize_buffers()                             \
+    do {                                                \
+        int i;                                          \
+        for (i = 0; i < PREV_SAMPLES_BUF_SIZE; i++) {   \
+            src0[i] = src1[i] = sign_extend(rnd(), 16); \
+        }                                               \
+    } while (0)
+
+static void check_qmf(void) {
+    int16_t src0[PREV_SAMPLES_BUF_SIZE];
+    int16_t src1[PREV_SAMPLES_BUF_SIZE];
+    const int16_t *tmp0 = src0;
+    const int16_t *tmp1 = src1;
+    int dst0[2], dst1[2];
+    int i;
+
+    declare_func(void, const int16_t *prev_samples, int xout[2]);
+
+    randomize_buffers();
+    for (i = 0; i < PREV_SAMPLES_BUF_SIZE - 24; i++) {
+        call_ref(tmp0++, dst0);
+        call_new(tmp1++, dst1);
+        if (memcmp(dst0, dst1, sizeof(dst0)))
+            fail();
+    }
+    bench_new(src1, dst1);
+}
+
+void checkasm_check_g722dsp(void)
+{
+    G722DSPContext h;
+
+    ff_g722dsp_init(&h);
+
+    if (check_func(h.apply_qmf, "g722_apply_qmf"))
+        check_qmf();
+
+    report("apply_qmf");
+}