Delete AudioOutputMixer.

media/audio/audio_util_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "media/audio/audio_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // Number of samples in each audio array.
 static const size_t kNumberOfSamples = 4;
@@ skipping 61 matching lines @@
   int32 expected_s32[kNumberOfSamples] = { -1, 0x10, -8192, 30 };
   bool result_s32 = media::AdjustVolume(samples_s32, sizeof(samples_s32),
                                         4,  // channels.
                                         sizeof(samples_s32[0]),
                                         0.25f);
   EXPECT_TRUE(result_s32);
   int expected_test = memcmp(samples_s32, expected_s32, sizeof(expected_s32));
   EXPECT_EQ(0, expected_test);
 }
 
-TEST(AudioUtilTest, MixStreams_u8_QuarterVolume) {
-  // Test MixStreams() on 8 bit samples.
-  uint8 dst_u8[kNumberOfSamples] = { 14, 0x44, 0x80, 0xff };
-  uint8 src_u8[kNumberOfSamples] = { 4, 0x40, 0x80, 0xff };
-  uint8 expected_u8[kNumberOfSamples] = { 0,  /* saturation */
-                                          (0x44 - 128) + (0x40 - 128) / 4 + 128,
-                                          (0x80 - 128) + (0x80 - 128) / 4 + 128,
-                                          0xff /* saturation */ };
-  media::MixStreams(dst_u8, src_u8, sizeof(dst_u8), sizeof(src_u8[0]), 0.25f);
-  int expected_test = memcmp(dst_u8, expected_u8, sizeof(expected_u8));
-  EXPECT_EQ(0, expected_test);
-}
-
-TEST(AudioUtilTest, MixStreams_u8_FullVolume) {
-  // Test MixStreams() on 8 bit samples.
-  uint8 dst_u8[kNumberOfSamples] = { 44, 0x44, 0x80, 0xff };
-  uint8 src_u8[kNumberOfSamples] = { 4, 0x40, 0x80, 0xff };
-  uint8 expected_u8[kNumberOfSamples] = { 0,  /* saturation */
-                                          (0x44 - 128) + (0x40 - 128) + 128,
-                                          (0x80 - 128) + (0x80 - 128) + 128,
-                                          0xff /* saturation */ };
-  media::MixStreams(dst_u8, src_u8, sizeof(dst_u8), sizeof(src_u8[0]), 1.0f);
-  int expected_test = memcmp(dst_u8, expected_u8, sizeof(expected_u8));
-  EXPECT_EQ(0, expected_test);
-}
-
-TEST(AudioUtilTest, MixStreams_s16_QuarterVolume) {
-  // Test MixStreams() on 16 bit samples.
-  int16 dst_s16[kNumberOfSamples] = { -4, 0x40, -32760, 32760 };
-  int16 src_s16[kNumberOfSamples] = { -4, 0x40, -123, 123 };
-  int16 expected_s16[kNumberOfSamples] = { -5, 0x50, -32768, 32767 };
-  media::MixStreams(dst_s16,
-                    src_s16,
-                    sizeof(dst_s16),
-                    sizeof(src_s16[0]),
-                    0.25f);
-  int expected_test = memcmp(dst_s16, expected_s16, sizeof(expected_s16));
-  EXPECT_EQ(0, expected_test);
-}
-
-TEST(AudioUtilTest, MixStreams_s16_FullVolume) {
-  // Test MixStreams() on 16 bit samples.
-  int16 dst_s16[kNumberOfSamples] = { -4, 0x40, -32760, 32760 };
-  int16 src_s16[kNumberOfSamples] = { -4, 0x40, -123, 123 };
-  int16 expected_s16[kNumberOfSamples] = { -8, 0x80, -32768, 32767 };
-  media::MixStreams(dst_s16,
-                    src_s16,
-                    sizeof(dst_s16),
-                    sizeof(src_s16[0]),
-                    1.0f);
-  int expected_test = memcmp(dst_s16, expected_s16, sizeof(expected_s16));
-  EXPECT_EQ(0, expected_test);
-}
-
-TEST(AudioUtilTest, MixStreams_s32_QuarterVolume) {
-  // Test MixStreams() on 32 bit samples.
-  int32 dst_s32[kNumberOfSamples] = { -4, 0x40, -32768, 2147483640 };
-  int32 src_s32[kNumberOfSamples] = { -4, 0x40, -32768, 123 };
-  int32 expected_s32[kNumberOfSamples] = { -5, 0x50, -40960, 2147483647 };
-  media::MixStreams(dst_s32,
-                    src_s32,
-                    sizeof(dst_s32),
-                    sizeof(src_s32[0]),
-                    0.25f);
-  int expected_test = memcmp(dst_s32, expected_s32, sizeof(expected_s32));
-  EXPECT_EQ(0, expected_test);
-}
-
-TEST(AudioUtilTest, MixStreams_s32_FullVolume) {
-  // Test MixStreams() on 32 bit samples.
-  int32 dst_s32[kNumberOfSamples] = { -4, 0x40, -32768, 2147483640 };
-  int32 src_s32[kNumberOfSamples] = { -4, 0x40, -32768, 123 };
-  int32 expected_s32[kNumberOfSamples] = { -8, 0x80, -65536, 2147483647 };
-  media::MixStreams(dst_s32,
-                    src_s32,
-                    sizeof(dst_s32),
-                    sizeof(src_s32[0]),
-                    1.0);
-  int expected_test = memcmp(dst_s32, expected_s32, sizeof(expected_s32));
-  EXPECT_EQ(0, expected_test);
-}
-
 }  // namespace media