Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 55 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h b/third_party/libwebrtc/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
new file mode 100644
index 0000000000..ab4f5c2281
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
@@ -0,0 +1,55 @@
+/*
+ *  Copyright (c) 2014 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.
+ */
+
+#ifndef MODULES_AUDIO_CODING_NETEQ_TOOLS_CONSTANT_PCM_PACKET_SOURCE_H_
+#define MODULES_AUDIO_CODING_NETEQ_TOOLS_CONSTANT_PCM_PACKET_SOURCE_H_
+
+#include <stdio.h>
+
+#include <string>
+
+#include "modules/audio_coding/neteq/tools/packet_source.h"
+
+namespace webrtc {
+namespace test {
+
+// This class implements a packet source that delivers PCM16b encoded packets
+// with a constant sample value. The payload length, constant sample value,
+// sample rate, and payload type are all set in the constructor.
+class ConstantPcmPacketSource : public PacketSource {
+ public:
+  ConstantPcmPacketSource(size_t payload_len_samples,
+                          int16_t sample_value,
+                          int sample_rate_hz,
+                          int payload_type);
+
+  ConstantPcmPacketSource(const ConstantPcmPacketSource&) = delete;
+  ConstantPcmPacketSource& operator=(const ConstantPcmPacketSource&) = delete;
+
+  std::unique_ptr<Packet> NextPacket() override;
+
+ private:
+  void WriteHeader(uint8_t* packet_memory);
+
+  const size_t kHeaderLenBytes = 12;
+  const size_t payload_len_samples_;
+  const size_t packet_len_bytes_;
+  uint8_t encoded_sample_[2];
+  const int samples_per_ms_;
+  double next_arrival_time_ms_;
+  const int payload_type_;
+  uint16_t seq_number_;
+  uint32_t timestamp_;
+  const uint32_t payload_ssrc_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+#endif  // MODULES_AUDIO_CODING_NETEQ_TOOLS_CONSTANT_PCM_PACKET_SOURCE_H_