checkasm: add a g722dsp test

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

tests/checkasm/Makefile

@@ -5,6 +5,7 @@ AVCODECOBJS-$(CONFIG_BLOCKDSP)          += blockdsp.o
 AVCODECOBJS-$(CONFIG_BSWAPDSP)          += bswapdsp.o
 AVCODECOBJS-$(CONFIG_FLACDSP)           += flacdsp.o
 AVCODECOBJS-$(CONFIG_FMTCONVERT)        += fmtconvert.o
+AVCODECOBJS-$(CONFIG_G722DSP)           += g722dsp.o
 AVCODECOBJS-$(CONFIG_H264DSP)           += h264dsp.o
 AVCODECOBJS-$(CONFIG_H264PRED)          += h264pred.o
 AVCODECOBJS-$(CONFIG_H264QPEL)          += h264qpel.o

tests/checkasm/checkasm.c

@@ -90,6 +90,9 @@ static const struct {
     #if CONFIG_FMTCONVERT
         { "fmtconvert", checkasm_check_fmtconvert },
     #endif
+    #if CONFIG_G722DSP
+        { "g722dsp", checkasm_check_g722dsp },
+    #endif
     #if CONFIG_H264DSP
         { "h264dsp", checkasm_check_h264dsp },
     #endif

tests/checkasm/checkasm.h

@@ -42,6 +42,7 @@ void checkasm_check_fixed_dsp(void);
 void checkasm_check_flacdsp(void);
 void checkasm_check_float_dsp(void);
 void checkasm_check_fmtconvert(void);
+void checkasm_check_g722dsp(void);
 void checkasm_check_h264dsp(void);
 void checkasm_check_h264pred(void);
 void checkasm_check_h264qpel(void);

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");
+}

tests/fate/checkasm.mak

@@ -7,6 +7,7 @@ FATE_CHECKASM = fate-checkasm-aacpsdsp                                  \
                 fate-checkasm-flacdsp                                   \
                 fate-checkasm-float_dsp                                 \
                 fate-checkasm-fmtconvert                                \
+                fate-checkasm-g722dsp                                   \
                 fate-checkasm-h264dsp                                   \
                 fate-checkasm-h264pred                                  \
                 fate-checkasm-h264qpel                                  \