/// <summary>
/// Sets the playback rate.
/// </summary>
/// <param name="rate">The value for the playback rate. Valid range is -5.0 to 5.0, inclusive.</param>
/// <remarks>
/// <para>The player must be in the <see cref="PlayerState.Ready"/>, <see cref="PlayerState.Playing"/>,
/// or <see cref="PlayerState.Paused"/> state.</para>
/// <para>The sound will be muted, when the playback rate is under 0.0 or over 2.0.</para>
/// </remarks>
/// <exception cref="ObjectDisposedException">The player has already been disposed of.</exception>
/// <exception cref="InvalidOperationException">
/// The player is not in the valid state.<br/>
/// -or-<br/>
/// Streaming playback.
/// -or-<br/>
/// If audio offload is enabled by calling <see cref="AudioOffload.IsEnabled"/>. (Since tizen 6.0)
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="rate"/> is less than -5.0.<br/>
/// -or-<br/>
/// <paramref name="rate"/> is greater than 5.0.<br/>
/// -or-<br/>
/// <paramref name="rate"/> is zero.
/// </exception>
/// <since_tizen> 3 </since_tizen>
public void SetPlaybackRate(float rate)
{
if (rate < -5.0F || 5.0F < rate || rate == 0.0F)
{
throw new ArgumentOutOfRangeException(nameof(rate), rate, "Valid range is -5.0 to 5.0 (except 0.0)");
}
AudioOffload.CheckDisabled();
ValidatePlayerState(PlayerState.Ready, PlayerState.Playing, PlayerState.Paused);
NativePlayer.SetPlaybackRate(Handle, rate).ThrowIfFailed(this, "Failed to set the playback rate.");
}
/// <summary>
/// Enable to decode an audio data for exporting PCM from a data.
/// </summary>
/// <param name="format">The media format handle required to audio PCM specification.
/// The format has to include <see cref="AudioMediaFormat.MimeType"/>,
/// <see cref="AudioMediaFormat.Channel"/> and <see cref="AudioMediaFormat.SampleRate"/>.
/// If the format is NULL, the original PCM format or platform default PCM format will be applied.</param>
/// <param name="option">The audio extract option.</param>
/// <remarks><para>The player must be in the <see cref="PlayerState.Idle"/> state.</para>
/// <para>A <see cref="AudioDataDecoded"/> event is called in a separate thread(not in the main loop).</para>
/// <para>The audio PCM data can be retrieved using a <see cref="AudioDataDecoded"/> event as a media packet
/// and it is available until it's destroyed by <see cref="MediaPacket.Dispose()"/>.
/// The packet has to be destroyed as quickly as possible after rendering the data
/// and all the packets have to be destroyed before <see cref="Unprepare"/> is called.</para>
/// <para>This function could be unavailable depending on the audio codec type.</para></remarks>
/// <exception cref="ObjectDisposedException">The player has already been disposed of.</exception>
/// <exception cref="ArgumentException">The value is not valid.</exception>
/// <exception cref="InvalidOperationException">
/// Operation failed; internal error.
/// -or-<br/>
/// The player is not in the valid state.
/// -or-<br/>
/// If audio offload is enabled by calling <see cref="AudioOffload.IsEnabled"/>. (Since tizen 6.0)
/// </exception>
/// <exception cref="NotAvailableException">The function is not available depending on the audio codec type. (Since tizen 6.0)</exception>
/// <seealso cref="PlayerAudioExtractOption"/>
/// <seealso cref="DisableExportingAudioData"/>
/// <seealso cref="AudioCodecType"/>
/// <since_tizen> 6 </since_tizen>
public void EnableExportingAudioData(AudioMediaFormat format, PlayerAudioExtractOption option)
{
ValidationUtil.ValidateEnum(typeof(PlayerAudioExtractOption), option, nameof(option));
AudioOffload.CheckDisabled();
ValidatePlayerState(PlayerState.Idle);
_audioFrameDecodedCallback = (IntPtr packetHandle, IntPtr userData) =>
{
var handler = AudioDataDecoded;
if (handler != null)
{
Log.Debug(PlayerLog.Tag, "packet : " + packetHandle.ToString());
handler.Invoke(this,
new AudioDataDecodedEventArgs(MediaPacket.From(packetHandle)));
}
else
{
MediaPacket.From(packetHandle).Dispose();
}
};
NativePlayer.SetAudioFrameDecodedCb(Handle, format == null ? IntPtr.Zero : format.AsNativeHandle(), option,
_audioFrameDecodedCallback, IntPtr.Zero).ThrowIfFailed(this, "Failed to register the _audioFrameDecoded");
}