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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "media/base/audio_latency.h" |
| 6 |
| 7 #include <stdint.h> |
| 8 |
| 9 #include "base/logging.h" |
| 10 #include "build/build_config.h" |
| 11 #include "testing/gtest/include/gtest/gtest.h" |
| 12 |
| 13 namespace media { |
| 14 |
| 15 // TODO(olka): extend unit tests, use real-world sample rates. |
| 16 |
| 17 TEST(AudioLatency, HighLatencyBufferSizes) { |
| 18 #if defined(OS_WIN) |
| 19 for (int i = 6400; i <= 204800; i *= 2) |
| 20 EXPECT_EQ(2 * (i / 100), |
| 21 AudioLatency::GetHighLatencyBufferSize(i, i / 100)); |
| 22 #else |
| 23 for (int i = 6400; i <= 204800; i *= 2) |
| 24 EXPECT_EQ(2 * (i / 100), AudioLatency::GetHighLatencyBufferSize(i, 32)); |
| 25 #endif // defined(OS_WIN) |
| 26 } |
| 27 |
| 28 TEST(AudioLatency, InteractiveBufferSizes) { |
| 29 #if defined(OS_ANDROID) |
| 30 int i = 6400; |
| 31 for (; i < 102400; i *= 2) |
| 32 EXPECT_EQ(2048, AudioLatency::GetInteractiveBufferSize(i / 100)); |
| 33 for (; i <= 204800; i *= 2) |
| 34 EXPECT_EQ(i / 100, AudioLatency::GetInteractiveBufferSize(i / 100)); |
| 35 #else |
| 36 for (int i = 6400; i <= 204800; i *= 2) |
| 37 EXPECT_EQ(i / 100, AudioLatency::GetInteractiveBufferSize(i / 100)); |
| 38 #endif // defined(OS_ANDROID) |
| 39 } |
| 40 |
| 41 TEST(AudioLatency, RtcBufferSizes) { |
| 42 for (int i = 6400; i < 204800; i *= 2) { |
| 43 EXPECT_EQ(i / 100, AudioLatency::GetRtcBufferSize(i, 0)); |
| 44 #if defined(OS_WIN) |
| 45 EXPECT_EQ(500, AudioLatency::GetRtcBufferSize(i, 500)); |
| 46 #elif defined(OS_ANDROID) |
| 47 EXPECT_EQ(i / 50, AudioLatency::GetRtcBufferSize(i, i / 50 - 1)); |
| 48 EXPECT_EQ(i / 50 + 1, AudioLatency::GetRtcBufferSize(i, i / 50 + 1)); |
| 49 #else |
| 50 EXPECT_EQ(i / 100, AudioLatency::GetRtcBufferSize(i, 500)); |
| 51 #endif // defined(OS_WIN) |
| 52 } |
| 53 } |
| 54 } // namespace media |
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