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604fd2f1ab
Bug: webrtc:13555, webrtc:13082 Change-Id: I2c2cbcbd918f0cfa970c1a964893220ba11d4b41 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/247960 Reviewed-by: Artem Titov <titovartem@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: (Daniel.L) Byoungchan Lee <daniel.l@hpcnt.com> Cr-Commit-Position: refs/heads/main@{#35771}
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_CODING_NETEQ_TOOLS_CONSTANT_PCM_PACKET_SOURCE_H_
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#define MODULES_AUDIO_CODING_NETEQ_TOOLS_CONSTANT_PCM_PACKET_SOURCE_H_
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#include <stdio.h>
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#include <string>
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#include "modules/audio_coding/neteq/tools/packet_source.h"
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namespace webrtc {
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namespace test {
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// This class implements a packet source that delivers PCM16b encoded packets
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// with a constant sample value. The payload length, constant sample value,
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// sample rate, and payload type are all set in the constructor.
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class ConstantPcmPacketSource : public PacketSource {
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public:
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ConstantPcmPacketSource(size_t payload_len_samples,
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int16_t sample_value,
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int sample_rate_hz,
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int payload_type);
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ConstantPcmPacketSource(const ConstantPcmPacketSource&) = delete;
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ConstantPcmPacketSource& operator=(const ConstantPcmPacketSource&) = delete;
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std::unique_ptr<Packet> NextPacket() override;
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private:
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void WriteHeader(uint8_t* packet_memory);
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const size_t kHeaderLenBytes = 12;
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const size_t payload_len_samples_;
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const size_t packet_len_bytes_;
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uint8_t encoded_sample_[2];
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const int samples_per_ms_;
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double next_arrival_time_ms_;
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const int payload_type_;
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uint16_t seq_number_;
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uint32_t timestamp_;
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const uint32_t payload_ssrc_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // MODULES_AUDIO_CODING_NETEQ_TOOLS_CONSTANT_PCM_PACKET_SOURCE_H_
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