[FFmpeg-cvslog] checkasm: add tests for dcadsp
Janne Grunau
git at videolan.org
Sat Jan 2 12:41:12 CET 2016
ffmpeg | branch: master | Janne Grunau <janne-libav at jannau.net> | Mon Dec 7 01:23:47 2015 +0100| [e71b747e9dc56cb84f8a06ec8214d5f3bd98bb6d] | committer: Janne Grunau
checkasm: add tests for dcadsp
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e71b747e9dc56cb84f8a06ec8214d5f3bd98bb6d
---
tests/checkasm/Makefile | 1 +
tests/checkasm/checkasm.c | 3 +
tests/checkasm/checkasm.h | 1 +
tests/checkasm/dcadsp.c | 137 +++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 142 insertions(+)
diff --git a/tests/checkasm/Makefile b/tests/checkasm/Makefile
index 75c9a18..a7d13d5 100644
--- a/tests/checkasm/Makefile
+++ b/tests/checkasm/Makefile
@@ -1,5 +1,6 @@
# libavcodec tests
AVCODECOBJS-$(CONFIG_BSWAPDSP) += bswapdsp.o
+AVCODECOBJS-$(CONFIG_DCA_DECODER) += dcadsp.o
AVCODECOBJS-$(CONFIG_H264PRED) += h264pred.o
AVCODECOBJS-$(CONFIG_H264QPEL) += h264qpel.o
AVCODECOBJS-$(CONFIG_HEVC_DECODER) += hevc_mc.o
diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index becfe35..a563eaf 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -61,6 +61,9 @@ static const struct {
#if CONFIG_BSWAPDSP
{ "bswapdsp", checkasm_check_bswapdsp },
#endif
+#if CONFIG_DCA_DECODER
+ { "dcadsp", checkasm_check_dcadsp },
+#endif
#if CONFIG_H264PRED
{ "h264pred", checkasm_check_h264pred },
#endif
diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
index 4a4cce4..eb8b6dd 100644
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -31,6 +31,7 @@
#include "libavutil/timer.h"
void checkasm_check_bswapdsp(void);
+void checkasm_check_dcadsp(void);
void checkasm_check_h264pred(void);
void checkasm_check_h264qpel(void);
void checkasm_check_hevc_mc(void);
diff --git a/tests/checkasm/dcadsp.c b/tests/checkasm/dcadsp.c
new file mode 100644
index 0000000..1665cbb
--- /dev/null
+++ b/tests/checkasm/dcadsp.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2015 Janne Grunau
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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 <math.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "libavutil/internal.h"
+#include "libavutil/intfloat.h"
+#include "libavcodec/dca.h"
+#include "libavcodec/dcadsp.h"
+#include "libavcodec/dcadata.h"
+
+#include "checkasm.h"
+
+#define randomize_lfe_fir(size) \
+ do { \
+ int i; \
+ for (i = 0; i < size; i++) { \
+ float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f; \
+ in[i] = f; \
+ } \
+ for (i = 0; i < 256; i++) { \
+ float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f; \
+ coeffs[i] = f; \
+ } \
+ } while (0)
+
+#define check_lfe_fir(decifactor, eps) \
+ do { \
+ LOCAL_ALIGNED_16(float, in, [256 / decifactor]); \
+ LOCAL_ALIGNED_16(float, out0, [decifactor * 2]); \
+ LOCAL_ALIGNED_16(float, out1, [decifactor * 2]); \
+ LOCAL_ALIGNED_16(float, coeffs, [256]); \
+ int i; \
+ const float * in_ptr = in + (256 / decifactor) - 1; \
+ declare_func(void, float *out, const float *in, const float *coeffs); \
+ /* repeat the test several times */ \
+ for (i = 0; i < 32; i++) { \
+ int j; \
+ memset(out0, 0, sizeof(*out0) * 2 * decifactor); \
+ memset(out1, 0xFF, sizeof(*out1) * 2 * decifactor); \
+ randomize_lfe_fir(256 / decifactor); \
+ call_ref(out0, in_ptr, coeffs); \
+ call_new(out1, in_ptr, coeffs); \
+ for (j = 0; j < 2 * decifactor; j++) { \
+ if (!float_near_abs_eps(out0[j], out1[j], eps)) { \
+ if (0) { \
+ union av_intfloat32 x, y; x.f = out0[j]; y.f = out1[j]; \
+ fprintf(stderr, "%3d: %11g (0x%08x); %11g (0x%08x)\n", \
+ j, x.f, x.i, y.f, y.i); \
+ } \
+ fail(); \
+ break; \
+ } \
+ } \
+ bench_new(out1, in_ptr, coeffs); \
+ } \
+ } while (0)
+
+#define randomize_decode_hf() \
+ do { \
+ int i; \
+ for (i = 0; i < DCA_SUBBANDS; i++) { \
+ vq_num[i] = rnd() >> 22; \
+ scale[i][0] = rnd() >> 26; \
+ scale[i][1] = INT32_MIN; \
+ } \
+ } while (0)
+
+void checkasm_check_dcadsp(void)
+{
+ DCADSPContext c;
+
+ ff_dcadsp_init(&c);
+
+ /* values are limited to {-8, 8} so absolute epsilon is good enough */
+ if (check_func(c.lfe_fir[0], "dca_lfe_fir0"))
+ check_lfe_fir(32, 1.0e-6f);
+
+ if (check_func(c.lfe_fir[1], "dca_lfe_fir1"))
+ check_lfe_fir(64, 1.0e-6f);
+
+ if (check_func(c.decode_hf, "dca_decode_hf")) {
+ LOCAL_ALIGNED_16(float, dst0, [DCA_SUBBANDS], [8]);
+ LOCAL_ALIGNED_16(float, dst1, [DCA_SUBBANDS], [8]);
+ LOCAL_ALIGNED_16(int32_t, scale, [DCA_SUBBANDS], [2]);
+ LOCAL_ALIGNED_16(int32_t, vq_num, [DCA_SUBBANDS]);
+ intptr_t start, end = 32, offset;
+
+ declare_func(void, float[DCA_SUBBANDS][8], const int32_t[DCA_SUBBANDS],
+ const int8_t[1024][DCA_SUBBANDS], intptr_t, int32_t[DCA_SUBBANDS][2],
+ intptr_t, intptr_t);
+
+ for (start = 0; start < 32; start++) {
+ for (offset = 0; offset < 32; offset += 8) {
+ int j;
+ for (j = 0; j < DCA_SUBBANDS; j++) {
+ memset(dst0[j], 0, sizeof(*(dst0[j])) * 8);
+ memset(dst1[j], 0, sizeof(*(dst1[j])) * 8);
+ }
+ randomize_decode_hf();
+
+ call_ref(dst0, vq_num, ff_dca_high_freq_vq, offset, scale, start, end);
+ call_new(dst1, vq_num, ff_dca_high_freq_vq, offset, scale, start, end);
+
+ for (j = 0; j < 8 * DCA_SUBBANDS; j++) {
+ if (!float_near_ulp(dst0[j>>3][j&7], dst1[j>>3][j&7], 1)) {
+ fail();
+ break;
+ }
+ }
+
+ bench_new(dst1, vq_num, ff_dca_high_freq_vq, offset, scale, start, end);
+ }
+ }
+ }
+
+ report("dcadsp");
+}
More information about the ffmpeg-cvslog
mailing list