spek

commit ae8fa4da6d5c6dd494c7b05ce926a20f10f8a8b3
parent 5c3a9086e6112e4b6e955ded6a7e223ac7e1c681
Author: Alexander Kojevnikov <alexander@kojevnikov.com>
Date:   Wed,  6 Mar 2013 09:36:55 -0800

Test audio decoding

Diffstat:
M
tests/Makefile.am
 | 
1
+
A
tests/test-audio-read.cc
 | 
64
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
tests/test.cc
 | 
1
+
M
tests/test.h
 | 
1
+

4 files changed, 67 insertions(+), 0 deletions(-)
diff --git a/tests/Makefile.am b/tests/Makefile.am
@@ -8,6 +8,7 @@ check_PROGRAMS = $(TESTS)
 
 test_SOURCES = \
 	test-audio-info.cc \
+	test-audio-read.cc \
 	test-utils.cc \
 	test.cc \
 	test.h
diff --git a/tests/test-audio-read.cc b/tests/test-audio-read.cc
@@ -0,0 +1,64 @@
+/* test-audio-read.cc
+ *
+ * Copyright (C) 2013  Alexander Kojevnikov <alexander@kojevnikov.com>
+ *
+ * Spek 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Spek 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 Spek.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <map>
+
+#include "spek-audio.h"
+
+#include "test.h"
+
+static void test_silence(const std::string& name, int samples)
+{
+    Audio audio;
+    auto file = audio.open(SAMPLES_DIR "/" + name);
+
+    int samples_read = 0;
+    double power = 0.0;
+    int len;
+    while ((len = file->read()) > 0) {
+        samples_read += len;
+        for (int i = 0; i < len; ++i) {
+            float level = file->get_buffer()[i];
+            power += level * level;
+        }
+    }
+    power /= samples_read;
+
+    test("error", 0, len);
+    test("samples", samples, samples_read);
+    test("power", 0.0, power);
+}
+
+void test_audio_read()
+{
+    std::map<std::string, int> files = {
+        {"1ch-96000Hz-24bps.flac", 1 * 96000 / 10},
+        {"2ch-48000Hz-16bps.flac", 2 * 48000 / 10},
+        {"2ch-44100Hz-16bps.wav", 2 * 44100 / 10},
+        {"2ch-44100Hz-128cbr.mp3", 2 * 1152 * 4 + 94},
+        {"2ch-44100Hz-320cbr.mp3", 2 * 1152 * 4 + 94},
+        {"2ch-44100Hz-V0.mp3", 2 * 1152 * 4 + 94},
+        {"2ch-44100Hz-V2.mp3", 2 * 1152 * 4 + 94},
+    };
+    for (const auto& item : files) {
+        run(
+            "audio read: " + item.first,
+            [&] () { test_silence(item.first, item.second); }
+        );
+    }
+}
diff --git a/tests/test.cc b/tests/test.cc
@@ -26,6 +26,7 @@ int main()
     std::cerr << "-------------" << std::endl;
 
     test_audio_info();
+    test_audio_read();
     test_utils();
 
     std::cerr << g_passes << "/" << g_total << " tests passed" << std::endl;
diff --git a/tests/test.h b/tests/test.h
@@ -52,6 +52,7 @@ template<class T> void test(const std::string& message, const T& expected, const
 }
 
 void test_audio_info();
+void test_audio_read();
 void test_utils();
 
 #endif