Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/audio_processing/audio_frame_view_unittest.cc b/third_party/libwebrtc/modules/audio_processing/audio_frame_view_unittest.cc
new file mode 100644
index 0000000000..fd25bc3b0b
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_processing/audio_frame_view_unittest.cc
@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2018 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "modules/audio_processing/include/audio_frame_view.h"
+
+#include "modules/audio_processing/audio_buffer.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+TEST(AudioFrameTest, ConstructFromAudioBuffer) {
+  constexpr int kSampleRateHz = 48000;
+  constexpr int kNumChannels = 2;
+  constexpr float kFloatConstant = 1272.f;
+  constexpr float kIntConstant = 17252;
+  const webrtc::StreamConfig stream_config(kSampleRateHz, kNumChannels);
+  webrtc::AudioBuffer buffer(
+      stream_config.sample_rate_hz(), stream_config.num_channels(),
+      stream_config.sample_rate_hz(), stream_config.num_channels(),
+      stream_config.sample_rate_hz(), stream_config.num_channels());
+
+  AudioFrameView<float> non_const_view(buffer.channels(), buffer.num_channels(),
+                                       buffer.num_frames());
+  // Modification is allowed.
+  non_const_view.channel(0)[0] = kFloatConstant;
+  EXPECT_EQ(buffer.channels()[0][0], kFloatConstant);
+
+  AudioFrameView<const float> const_view(
+      buffer.channels(), buffer.num_channels(), buffer.num_frames());
+  // Modification is not allowed.
+  // const_view.channel(0)[0] = kFloatConstant;
+
+  // Assignment is allowed.
+  AudioFrameView<const float> other_const_view = non_const_view;
+  static_cast<void>(other_const_view);
+
+  // But not the other way. The following will fail:
+  // non_const_view = other_const_view;
+
+  AudioFrameView<float> non_const_float_view(
+      buffer.channels(), buffer.num_channels(), buffer.num_frames());
+  non_const_float_view.channel(0)[0] = kIntConstant;
+  EXPECT_EQ(buffer.channels()[0][0], kIntConstant);
+}
+}  // namespace webrtc