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Packages/com.unity.renderstreaming@3.1.0-exp.9/Runtime/Scripts/AudioCodecInfo.cs

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+using System;
+using Unity.WebRTC;
+using UnityEngine;
+
+namespace Unity.RenderStreaming
+{
+    /// <summary>
+    /// Represents information about an audio codec, including its MIME type, SDP format parameters, channel count, and sample rate.
+    /// </summary>
+    [Serializable]
+    public class AudioCodecInfo : IEquatable<AudioCodecInfo>
+    {
+        [SerializeField]
+        private string m_MimeType;
+        [SerializeField]
+        private string m_SdpFmtpLine;
+        [SerializeField]
+        private int m_ChannelCount;
+        [SerializeField]
+        private int m_SampleRate;
+
+        /// <summary>
+        /// Gets the name of the audio codec.
+        /// </summary>
+        public string name { get { return m_MimeType.GetCodecName(); } }
+
+        /// <summary>
+        /// Gets the MIME type of the audio codec.
+        /// </summary>
+        public string mimeType { get { return m_MimeType; } }
+
+        /// <summary>
+        /// Gets the number of audio channels.
+        /// </summary>
+        public int channelCount { get { return m_ChannelCount; } }
+
+        /// <summary>
+        /// Gets the sample rate of the audio.
+        /// </summary>
+        public int sampleRate { get { return m_SampleRate; } }
+
+        /// <summary>
+        /// Gets the SDP format parameters line.
+        /// </summary>
+        public string sdpFmtpLine { get { return m_SdpFmtpLine; } }
+
+        static internal AudioCodecInfo Create(RTCRtpCodecCapability caps)
+        {
+            return new AudioCodecInfo(caps);
+        }
+
+        /// <summary>
+        /// Determines whether the specified <see cref="AudioCodecInfo"/> is equal to the current <see cref="AudioCodecInfo"/>.
+        /// </summary>
+        /// <example>
+        /// <code>
+        /// <![CDATA[
+        /// Debug.Log(audioStreamReceiver1.codec.Equals(audioStreamReceiver2.codec));
+        /// ]]>
+        ///</code>
+        /// </example>
+        /// <param name="other">The <see cref="AudioCodecInfo"/> to compare with the current <see cref="AudioCodecInfo"/>.</param>
+        /// <returns>true if the specified <see cref="AudioCodecInfo"/> is equal to the current <see cref="AudioCodecInfo"/>; otherwise, false.</returns>
+        public bool Equals(AudioCodecInfo other)
+        {
+            if (other == null)
+                return false;
+            return this.mimeType == other.mimeType
+                && this.sdpFmtpLine == other.sdpFmtpLine
+                && this.channelCount == other.channelCount
+                && this.sampleRate == other.sampleRate;
+        }
+
+        /// <summary>
+        /// Determines whether the specified object is equal to the current <see cref="AudioCodecInfo"/>.
+        /// </summary>
+        /// <param name="obj">The object to compare with the current <see cref="AudioCodecInfo"/>.</param>
+        /// <returns>true if the specified object is equal to the current <see cref="AudioCodecInfo"/>; otherwise, false.</returns>
+        public override bool Equals(object obj)
+        {
+            return obj is AudioCodecInfo ? Equals((AudioCodecInfo)obj) : base.Equals(obj);
+        }
+
+        /// <summary>
+        /// Returns a hash code for the <see cref="AudioCodecInfo"/>.
+        /// </summary>
+        /// <returns>A hash code for the current <see cref="AudioCodecInfo"/>.</returns>
+        public override int GetHashCode()
+        {
+            return new { mimeType, sdpFmtpLine, channelCount, sampleRate }.GetHashCode();
+        }
+
+        /// <summary>
+        /// Determines whether two specified instances of <see cref="AudioCodecInfo"/> are equal.
+        /// </summary>
+        /// <param name="left">The first <see cref="AudioCodecInfo"/> to compare.</param>
+        /// <param name="right">The second <see cref="AudioCodecInfo"/> to compare.</param>
+        /// <returns>true if the two <see cref="AudioCodecInfo"/> instances are equal; otherwise, false.</returns>
+        public static bool operator ==(AudioCodecInfo left, AudioCodecInfo right)
+        {
+            if (ReferenceEquals(left, null))
+            {
+                return ReferenceEquals(left, null);
+            }
+            else
+            {
+                return left.Equals(right);
+            }
+        }
+
+        /// <summary>
+        /// Determines whether two specified instances of <see cref="AudioCodecInfo"/> are not equal.
+        /// </summary>
+        /// <param name="left">The first <see cref="AudioCodecInfo"/> to compare.</param>
+        /// <param name="right">The second <see cref="AudioCodecInfo"/> to compare.</param>
+        /// <returns>true if the two <see cref="AudioCodecInfo"/> instances are not equal; otherwise, false.</returns>
+        public static bool operator !=(AudioCodecInfo left, AudioCodecInfo right)
+        {
+            return !(left == right);
+        }
+
+        internal AudioCodecInfo(RTCRtpCodecCapability cap)
+        {
+            m_MimeType = cap.mimeType;
+            m_SdpFmtpLine = cap.sdpFmtpLine;
+            m_ChannelCount = cap.channels.GetValueOrDefault();
+            m_SampleRate = cap.clockRate.GetValueOrDefault();
+        }
+
+        internal bool Equals(RTCRtpCodecCapability other)
+        {
+            if (other == null)
+                return false;
+            return this.mimeType == other.mimeType
+                && this.sdpFmtpLine == other.sdpFmtpLine
+                && this.channelCount == other.channels
+                && this.sampleRate == other.clockRate;
+        }
+    }
+}