[FFmpeg-devel] [PATCH] checkasm: add alacdsp tests

James Almer jamrial at gmail.com
Sun Oct 4 20:45:01 CEST 2015


Signed-off-by: James Almer <jamrial at gmail.com>
---
 tests/checkasm/Makefile   |   1 +
 tests/checkasm/alacdsp.c  | 115 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/checkasm/checkasm.c |   3 ++
 tests/checkasm/checkasm.h |   1 +
 4 files changed, 120 insertions(+)
 create mode 100644 tests/checkasm/alacdsp.c

diff --git a/tests/checkasm/Makefile b/tests/checkasm/Makefile
index f30e9c4..bf0dc9f 100644
--- a/tests/checkasm/Makefile
+++ b/tests/checkasm/Makefile
@@ -1,4 +1,5 @@
 # libavcodec tests
+AVCODECOBJS-$(CONFIG_ALAC_DECODER)  += alacdsp.o
 AVCODECOBJS-$(CONFIG_BSWAPDSP) += bswapdsp.o
 AVCODECOBJS-$(CONFIG_FLACDSP)  += flacdsp.o
 AVCODECOBJS-$(CONFIG_H264PRED) += h264pred.o
diff --git a/tests/checkasm/alacdsp.c b/tests/checkasm/alacdsp.c
new file mode 100644
index 0000000..ac86f68
--- /dev/null
+++ b/tests/checkasm/alacdsp.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2015 James Almer
+ *
+ * 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/alacdsp.h"
+#include "libavutil/common.h"
+#include "libavutil/internal.h"
+#include "libavutil/intreadwrite.h"
+
+#define BUF_SIZE 1024
+#define MAX_CHANNELS 2
+
+#define randomize_buffers()                                \
+    do {                                                   \
+        int i;                                             \
+        for (i = 0; i < BUF_SIZE * MAX_CHANNELS; i += 4) { \
+            uint32_t r = rnd() & 0x7FFFFF;                 \
+            AV_WN32A(ref_buf + i, r);                      \
+            AV_WN32A(new_buf + i, r);                      \
+        }                                                  \
+    } while (0)
+
+static void check_decorrelate_stereo(void)
+{
+    LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]);
+    LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS]);
+    uint8_t *ref[] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] };
+    uint8_t *new[] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] };
+    ALACDSPContext c;
+
+    ff_alacdsp_init(&c);
+    if (check_func(c.decorrelate_stereo, "alac_decorrelate_stereo")) {
+        int shift  = rnd() & 0x1F;
+        int weight = rnd() & 0xFF;
+        declare_func(void, int32_t **buf, int len, int shift, int weight);
+
+        randomize_buffers();
+        call_ref((int32_t **)ref, BUF_SIZE / sizeof(int32_t), shift, weight);
+        call_new((int32_t **)new, BUF_SIZE / sizeof(int32_t), shift, weight);
+        if (memcmp(*ref, *new, BUF_SIZE * MAX_CHANNELS))
+            fail();
+        bench_new((int32_t **)new, BUF_SIZE / sizeof(int32_t), shift, weight);
+    }
+
+    report("decorrelate_stereo");
+}
+
+#undef randomize_buffers
+#define randomize_buffers()                    \
+    do {                                       \
+        int i, j;                              \
+        for (i = 0; i < BUF_SIZE; i += 4) {    \
+            for (j = 0; j < ch; j++) {         \
+                uint32_t r = rnd() & 0x7FFFFF; \
+                AV_WN32A(ref[j] + i, r);       \
+                AV_WN32A(new[j] + i, r);       \
+                r = rnd() & 0xFF;              \
+                AV_WN32A(ref_ebb[j] + i, r);   \
+                AV_WN32A(new_ebb[j] + i, r);   \
+            }                                  \
+        }                                      \
+    } while (0)
+
+static void check_append_extra_bits(void)
+{
+    LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS*2]);
+    LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS*2]);
+    uint8_t *ref[]     = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] };
+    uint8_t *new[]     = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] };
+    uint8_t *ref_ebb[] = { &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3] };
+    uint8_t *new_ebb[] = { &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3] };
+    ALACDSPContext c;
+    static const char * const channels[2] = { "mono", "stereo" };
+    int ch;
+
+    ff_alacdsp_init(&c);
+    for (ch = 1; ch <= 2; ch++) {
+        if (check_func(c.append_extra_bits[ch-1], "alac_append_extra_bits_%s", channels[ch-1])) {
+            declare_func(void, int32_t **buf, int32_t **ebb, int ebits, int ch, int len);
+
+            randomize_buffers();
+            call_ref((int32_t **)ref, (int32_t **)ref_ebb, 8, ch, BUF_SIZE / sizeof(int32_t));
+            call_new((int32_t **)new, (int32_t **)new_ebb, 8, ch, BUF_SIZE / sizeof(int32_t));
+            if (memcmp(*ref, *new, BUF_SIZE * ch))
+                fail();
+            bench_new((int32_t **)new, (int32_t **)new_ebb, 8, ch, BUF_SIZE / sizeof(int32_t));
+        }
+    }
+
+    report("append_extra_bits");
+}
+
+void checkasm_check_alacdsp(void)
+{
+    check_decorrelate_stereo();
+    check_append_extra_bits();
+}
diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index 264473a..bba2dbc 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -58,6 +58,9 @@ static const struct {
     void (*func)(void);
 } tests[] = {
 #if CONFIG_AVCODEC
+    #if CONFIG_ALAC_DECODER
+        { "alacdsp", checkasm_check_alacdsp },
+    #endif
     #if CONFIG_BSWAPDSP
         { "bswapdsp", checkasm_check_bswapdsp },
     #endif
diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
index 5bac20f..1775a25 100644
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -29,6 +29,7 @@
 #include "libavutil/lfg.h"
 #include "libavutil/timer.h"
 
+void checkasm_check_alacdsp(void);
 void checkasm_check_bswapdsp(void);
 void checkasm_check_flacdsp(void);
 void checkasm_check_h264pred(void);
-- 
2.5.2



More information about the ffmpeg-devel mailing list