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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/modules/audio_coding/codecs/opus/test/audio_ring_buffer.cc
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/modules/audio_coding/codecs/opus/test/audio_ring_buffer.cc')
-rw-r--r--third_party/libwebrtc/modules/audio_coding/codecs/opus/test/audio_ring_buffer.cc76
1 files changed, 76 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/opus/test/audio_ring_buffer.cc b/third_party/libwebrtc/modules/audio_coding/codecs/opus/test/audio_ring_buffer.cc
new file mode 100644
index 0000000000..2a71b43d2c
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_coding/codecs/opus/test/audio_ring_buffer.cc
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2015 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_coding/codecs/opus/test/audio_ring_buffer.h"
+
+#include "common_audio/ring_buffer.h"
+#include "rtc_base/checks.h"
+
+// This is a simple multi-channel wrapper over the ring_buffer.h C interface.
+
+namespace webrtc {
+
+AudioRingBuffer::AudioRingBuffer(size_t channels, size_t max_frames) {
+ buffers_.reserve(channels);
+ for (size_t i = 0; i < channels; ++i)
+ buffers_.push_back(WebRtc_CreateBuffer(max_frames, sizeof(float)));
+}
+
+AudioRingBuffer::~AudioRingBuffer() {
+ for (auto* buf : buffers_)
+ WebRtc_FreeBuffer(buf);
+}
+
+void AudioRingBuffer::Write(const float* const* data,
+ size_t channels,
+ size_t frames) {
+ RTC_DCHECK_EQ(buffers_.size(), channels);
+ for (size_t i = 0; i < channels; ++i) {
+ const size_t written = WebRtc_WriteBuffer(buffers_[i], data[i], frames);
+ RTC_CHECK_EQ(written, frames);
+ }
+}
+
+void AudioRingBuffer::Read(float* const* data, size_t channels, size_t frames) {
+ RTC_DCHECK_EQ(buffers_.size(), channels);
+ for (size_t i = 0; i < channels; ++i) {
+ const size_t read =
+ WebRtc_ReadBuffer(buffers_[i], nullptr, data[i], frames);
+ RTC_CHECK_EQ(read, frames);
+ }
+}
+
+size_t AudioRingBuffer::ReadFramesAvailable() const {
+ // All buffers have the same amount available.
+ return WebRtc_available_read(buffers_[0]);
+}
+
+size_t AudioRingBuffer::WriteFramesAvailable() const {
+ // All buffers have the same amount available.
+ return WebRtc_available_write(buffers_[0]);
+}
+
+void AudioRingBuffer::MoveReadPositionForward(size_t frames) {
+ for (auto* buf : buffers_) {
+ const size_t moved =
+ static_cast<size_t>(WebRtc_MoveReadPtr(buf, static_cast<int>(frames)));
+ RTC_CHECK_EQ(moved, frames);
+ }
+}
+
+void AudioRingBuffer::MoveReadPositionBackward(size_t frames) {
+ for (auto* buf : buffers_) {
+ const size_t moved = static_cast<size_t>(
+ -WebRtc_MoveReadPtr(buf, -static_cast<int>(frames)));
+ RTC_CHECK_EQ(moved, frames);
+ }
+}
+
+} // namespace webrtc