internal override void AsNativeHandle(IntPtr handle)
{
Debug.Assert(Type == MediaFormatType.Audio);
int ret = Native.SetAudioMimeType(handle, MimeType);
MultimediaDebug.AssertNoError(ret);
ret = Native.SetAudioChannel(handle, Channel);
MultimediaDebug.AssertNoError(ret);
ret = Native.SetAudioSampleRate(handle, SampleRate);
MultimediaDebug.AssertNoError(ret);
ret = Native.SetAudioBit(handle, Bit);
MultimediaDebug.AssertNoError(ret);
ret = Native.SetAudioAverageBps(handle, BitRate);
MultimediaDebug.AssertNoError(ret);
ret = Native.SetAudioAacType(handle, AacType);
MultimediaDebug.AssertNoError(ret);
if (AudioChannelMap != null)
{
ret = Native.SetAudioChannelMask(handle, GetAudioChannelMask(handle, AudioChannelMap));
MultimediaDebug.AssertNoError(ret);
}
}
/// <summary>
/// Creates a media format from a native handle.
/// </summary>
/// <param name="handle">A native handle.</param>
/// <returns>An object of one of the subclasses of <see cref="MediaFormat"/>.</returns>
internal static MediaFormat FromHandle(IntPtr handle)
{
if (handle == IntPtr.Zero)
{
throw new ArgumentException("The handle value is invalid.");
}
int type = 0;
int ret = Interop.MediaFormat.GetType(handle, out type);
if (ret != (int)ErrorCode.InvalidOperation)
{
MultimediaDebug.AssertNoError(ret);
switch ((MediaFormatType)type)
{
case MediaFormatType.Container:
return(new ContainerMediaFormat(handle));
case MediaFormatType.Video:
return(new VideoMediaFormat(handle));
case MediaFormatType.Audio:
return(new AudioMediaFormat(handle));
case MediaFormatType.Text:
return(new TextMediaFormat(handle));
}
}
throw new ArgumentException("looks like handle is corrupted.");
}
internal MediaPacketVideoPlane(MediaPacket packet, int index)
{
Debug.Assert(packet != null, "The packet is null!");
Debug.Assert(!packet.IsDisposed, "Packet is already disposed!");
Debug.Assert(index >= 0, "Video plane index must not be negative!");
_packet = packet;
int ret = Interop.MediaPacket.GetVideoStrideWidth(packet.GetHandle(), index, out _strideWidth);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaPacket.GetVideoStrideHeight(packet.GetHandle(), index, out _strideHeight);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(_strideWidth >= 0 && _strideHeight >= 0, "size must not be negative!");
IntPtr dataHandle;
ret = Interop.MediaPacket.GetVideoPlaneData(packet.GetHandle(), index, out dataHandle);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(dataHandle != IntPtr.Zero, "Data handle is invalid!");
_buffer = new DependentMediaBuffer(packet, dataHandle, _strideWidth * _strideHeight);
}
/// <summary>
/// Retrieves frame rate from a native handle.
/// </summary>
/// <param name="handle">A native handle that the properties are retrieved from.</param>
/// <param name="frameRate">An out parameter for the frame rate.</param>
private static void GetFrameRate(IntPtr handle, out int frameRate)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int ret = Interop.MediaFormat.GetVideoFrameRate(handle, out frameRate);
MultimediaDebug.AssertNoError(ret);
}
/// <summary>
/// Drains the buffered audio data from the output stream.
/// It blocks the calling thread until the drain of the stream buffer is complete, for example, at the end of playback.
/// </summary>
/// <exception cref="ObjectDisposedException">The AudioPlayback has already been disposed of.</exception>
/// <exception cref="InvalidOperationException">The current state is <see cref="AudioIOState.Idle"/>.</exception>
/// <since_tizen> 3 </since_tizen>
public void Drain()
{
ValidateState(AudioIOState.Running, AudioIOState.Paused);
int ret = AudioOutput.Drain(_handle);
MultimediaDebug.AssertNoError(ret);
}
private AudioStreamFocusState GetFocusState(bool playback)
{
int ret = Interop.AudioStreamPolicy.GetFocusState(Handle, out var stateForPlayback, out var stateForRecording);
MultimediaDebug.AssertNoError(ret);
return(playback ? stateForPlayback : stateForRecording);
}
/// <summary>
/// Flushes and discards buffered audio data from the input stream.
/// </summary>
/// <exception cref="InvalidOperationException">The current state is <see cref="AudioIOState.Idle"/>.</exception>
/// <exception cref="ObjectDisposedException">The AudioCaptureBase has already been disposed of.</exception>
/// <since_tizen> 3 </since_tizen>
public void Flush()
{
ValidateState(AudioIOState.Running, AudioIOState.Paused);
int ret = AudioInput.Flush(_handle);
MultimediaDebug.AssertNoError(ret);
}
internal override void AsNativeHandle(IntPtr handle)
{
Debug.Assert(Type == MediaFormatType.Container);
int ret = Interop.MediaFormat.SetContainerMimeType(handle, MimeType);
MultimediaDebug.AssertNoError(ret);
}
private static IntPtr GetExtra(IntPtr handle)
{
int ret = Interop.MediaPacket.GetExtra(handle, out var value);
MultimediaDebug.AssertNoError(ret);
return(value);
}
private static ulong GetAudioChannelMask(IntPtr handle, IList <MediaFormatAudioChannelPosition> audioChannelMap)
{
int ret = Native.GetMaskFromChannelPosition(handle, audioChannelMap.ToArray(),
out ulong mask);
MultimediaDebug.AssertNoError(ret);
return(mask);
}
/// <summary>
/// Creates a native media format from this object.
/// </summary>
/// <returns>A converted native handle.</returns>
/// <remarks>The returned handle must be destroyed using <see cref="Interop.MediaFormat.Unref(IntPtr)"/>.</remarks>
internal IntPtr AsNativeHandle()
{
int ret = Interop.MediaFormat.Create(out var handle);
MultimediaDebug.AssertNoError(ret);
AsNativeHandle(handle);
return(handle);
}
internal override void AsNativeHandle(IntPtr handle)
{
Debug.Assert(Type == MediaFormatType.Text);
int ret = Interop.MediaFormat.SetTextMimeType(handle, (int)MimeType);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetTextType(handle, (int)TextType);
MultimediaDebug.AssertNoError(ret);
}
/// <summary>
/// Retrieves the AAC type value from a native handle.
/// </summary>
/// <param name="handle">A native handle that the properties are retrieved from.</param>
private static MediaFormatAacType GetAacType(IntPtr handle)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int ret = Native.GetAudioAacType(handle, out var aacType);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(Enum.IsDefined(typeof(MediaFormatAacType), aacType), "Invalid aac type!");
return(aacType);
}
private static ReadOnlyCollection <MediaFormatAudioChannelPosition> GetAudioChannelMap(IntPtr handle)
{
var ret = Native.GetAudioChannelMask(handle, out ulong mask);
MultimediaDebug.AssertNoError(ret);
ret = Native.GetChannelPositionFromMask(handle, mask, out MediaFormatAudioChannelPosition[] positions);
MultimediaDebug.AssertNoError(ret);
return(positions == null ? null :
new ReadOnlyCollection <MediaFormatAudioChannelPosition>(positions.Distinct().OrderBy(p => p).ToList()));
}
/// <summary>
/// Retrieves audio properties of the media format from a native handle.
/// </summary>
/// <param name="handle">A native handle that the properties are retrieved from.</param>
/// <param name="mimeType">An out parameter for the mime type.</param>
/// <param name="channel">An out parameter for the channel.</param>
/// <param name="sampleRate">An out parameter for the sample rate.</param>
/// <param name="bit">An out parameter for the bit.</param>
/// <param name="bitRate">An out parameter for the bit rate.</param>
private static void GetInfo(IntPtr handle, out MediaFormatAudioMimeType mimeType,
out int channel, out int sampleRate, out int bit, out int bitRate)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int ret = Native.GetAudioInfo(handle,
out mimeType, out channel, out sampleRate, out bit, out bitRate);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(Enum.IsDefined(typeof(MediaFormatAudioMimeType), mimeType),
"Invalid audio mime type!");
}
/// <summary>
/// Retrieves the AAC type value from a native handle.
/// </summary>
/// <param name="handle">A native handle that the properties are retrieved from.</param>
/// <param name="aacType">An out parameter for tha AAC type.</param>
private static void GetAacType(IntPtr handle, out MediaFormatAacType aacType)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int aacTypeValue = 0;
int ret = Interop.MediaFormat.GetAudioAacType(handle, out aacTypeValue);
MultimediaDebug.AssertNoError(ret);
aacType = (MediaFormatAacType)aacTypeValue;
Debug.Assert(Enum.IsDefined(typeof(MediaFormatAacType), aacType), "Invalid aac type!");
}
/// <summary>
/// Initializes a new instance of the ContainerMediaFormat class from a native handle.
/// </summary>
/// <param name="handle">A native media format handle.</param>
internal ContainerMediaFormat(IntPtr handle)
: base(MediaFormatType.Container)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int ret = Interop.MediaFormat.GetContainerMimeType(handle, out var mimeType);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(Enum.IsDefined(typeof(MediaFormatContainerMimeType), mimeType),
"Invalid container mime type!");
MimeType = mimeType;
}
internal AudioDevice(IntPtr deviceHandle)
{
int ret = Interop.AudioDevice.GetDeviceId(deviceHandle, out _id);
MultimediaDebug.AssertNoError(ret);
ret = Interop.AudioDevice.GetDeviceName(deviceHandle, out var name);
MultimediaDebug.AssertNoError(ret);
Name = Marshal.PtrToStringAnsi(name);
ret = Interop.AudioDevice.GetDeviceType(deviceHandle, out _type);
MultimediaDebug.AssertNoError(ret);
ret = Interop.AudioDevice.GetDeviceIoDirection(deviceHandle, out _ioDirection);
MultimediaDebug.AssertNoError(ret);
}
/// <summary>
/// Initializes a new instance of the TextMediaFormat class from a native handle.
/// </summary>
/// <param name="handle">A native handle.</param>
internal TextMediaFormat(IntPtr handle)
: base(MediaFormatType.Text)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int ret = Interop.MediaFormat.GetTextInfo(handle, out var mimeType, out var textType);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(Enum.IsDefined(typeof(MediaFormatTextMimeType), mimeType),
"Invalid text mime type!");
Debug.Assert(Enum.IsDefined(typeof(MediaFormatTextType), textType),
"Invalid text type!");
MimeType = mimeType;
TextType = textType;
}
/// <summary>
/// Retrieves video planes of the current packet.
/// </summary>
/// <returns>The <see cref="MediaPacketVideoPlane"/>s allocated to the current MediaPacket.</returns>
private MediaPacketVideoPlane[] GetVideoPlanes()
{
Debug.Assert(_handle != IntPtr.Zero, "The handle is invalid!");
int ret = Native.GetNumberOfVideoPlanes(_handle, out var numberOfPlanes);
MultimediaDebug.AssertNoError(ret);
MediaPacketVideoPlane[] planes = new MediaPacketVideoPlane[numberOfPlanes];
for (int i = 0; i < numberOfPlanes; ++i)
{
planes[i] = new MediaPacketVideoPlane(this, i);
}
return(planes);
}
/// <summary>
/// Retrieves video properties of the media format from a native handle.
/// </summary>
/// <param name="handle">A native handle that the properties are retrieved from.</param>
/// <param name="width">An out parameter for the width.</param>
/// <param name="height">An out parameter for the height.</param>
/// <param name="bitRate">An out parameter for the bit rate.</param>
/// <param name="mimeType">An out parameter for the mime type.</param>
private static void GetInfo(IntPtr handle, out int width, out int height, out int bitRate,
out MediaFormatVideoMimeType mimeType)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int mimeTypeValue = 0;
int maxBps = 0;
int ret = Interop.MediaFormat.GetVideoInfo(handle,
out mimeTypeValue, out width, out height, out bitRate, out maxBps);
MultimediaDebug.AssertNoError(ret);
mimeType = (MediaFormatVideoMimeType)mimeTypeValue;
Debug.Assert(Enum.IsDefined(typeof(MediaFormatVideoMimeType), mimeType),
"Invalid video mime type!");
}
/// <summary>
/// Retrieves text properties of the media format from a native handle.
/// </summary>
/// <param name="handle">A native handle that the properties are retrieved from.</param>
/// <param name="mimeType">An out parameter for the mime type.</param>
/// <param name="textType">An out parameter for the text type.</param>
private static void GetInfo(IntPtr handle, out MediaFormatTextMimeType mimeType,
out MediaFormatTextType textType)
{
int mimeTypeValue = 0;
int textTypeValue = 0;
int ret = Interop.MediaFormat.GetTextInfo(handle, out mimeTypeValue, out textTypeValue);
MultimediaDebug.AssertNoError(ret);
mimeType = (MediaFormatTextMimeType)mimeTypeValue;
textType = (MediaFormatTextType)textTypeValue;
Debug.Assert(Enum.IsDefined(typeof(MediaFormatTextMimeType), mimeType),
"Invalid text mime type!");
Debug.Assert(Enum.IsDefined(typeof(MediaFormatTextType), textType),
"Invalid text type!");
}
/// <summary>
/// Retrieves the buffer of the current packet.
/// </summary>
/// <returns>The <see cref="IMediaBuffer"/> allocated to the current MediaPacket.</returns>
private IMediaBuffer GetBuffer()
{
Debug.Assert(!IsDisposed, "Packet is already disposed!");
Debug.Assert(_handle != IntPtr.Zero, "The handle is invalid!");
int ret = Native.GetBufferData(_handle, out var dataHandle);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(dataHandle != IntPtr.Zero, "Data handle is invalid!");
ret = Native.GetAllocatedBufferSize(_handle, out var size);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(size >= 0, "size must not be negative!");
return(new DependentMediaBuffer(this, dataHandle, size));
}
internal override void AsNativeHandle(IntPtr handle)
{
Debug.Assert(Type == MediaFormatType.Video);
int ret = Interop.MediaFormat.SetVideoMimeType(handle, (int)MimeType);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetVideoWidth(handle, Size.Width);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetVideoHeight(handle, Size.Height);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetVideoAverageBps(handle, BitRate);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetVideoFrameRate(handle, FrameRate);
MultimediaDebug.AssertNoError(ret);
}
/// <summary>
/// Initializes a new instance of the MediaPacket class from a native handle.
/// </summary>
/// <param name="handle">The native handle to be used.</param>
internal MediaPacket(IntPtr handle)
{
_handle = handle;
int ret = Native.GetFormat(handle, out IntPtr formatHandle);
MultimediaDebug.AssertNoError(ret);
try
{
if (formatHandle != IntPtr.Zero)
{
_format = MediaFormat.FromHandle(formatHandle);
}
}
finally
{
NativeFormat.Unref(formatHandle);
}
}
/// <summary>
/// Creates and initializes a native handle for the current object.
/// </summary>
/// <param name="format">The format to be set to the media format.</param>
/// <exception cref="InvalidOperationException">Operation failed.</exception>
private void Initialize(MediaFormat format)
{
if (format.Type == MediaFormatType.Container)
{
throw new ArgumentException("Container format can't be used to create a new packet.",
nameof(format));
}
IntPtr formatHandle = IntPtr.Zero;
try
{
formatHandle = format.AsNativeHandle();
int ret = Native.Create(formatHandle, IntPtr.Zero, IntPtr.Zero, out _handle);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(_handle != IntPtr.Zero, "Created handle must not be null");
Alloc();
}
catch (Exception)
{
if (_handle != IntPtr.Zero)
{
Native.Destroy(_handle);
_handle = IntPtr.Zero;
}
throw;
}
finally
{
if (formatHandle != IntPtr.Zero)
{
NativeFormat.Unref(formatHandle);
}
}
}
/// <summary>
/// Initializes a new instance of the VideoMediaForma class from a native handle.
/// </summary>
/// <param name="handle">A native handle.</param>
internal VideoMediaFormat(IntPtr handle)
: base(MediaFormatType.Video)
{
Debug.Assert(handle != IntPtr.Zero, "The handle is invalid!");
int ret = Interop.MediaFormat.GetVideoInfo(handle,
out var mimeType, out var width, out var height, out var bitRate, out var maxBps);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(Enum.IsDefined(typeof(MediaFormatVideoMimeType), mimeType),
"Invalid video mime type!");
ret = Interop.MediaFormat.GetVideoFrameRate(handle, out var frameRate);
MultimediaDebug.AssertNoError(ret);
MimeType = mimeType;
Size = new Size(width, height);
FrameRate = frameRate;
BitRate = bitRate;
}
/// <summary>
/// Creates and initializes a native handle for the current object.
/// </summary>
/// <param name="format">The format to be set to the media format.</param>
/// <exception cref="InvalidOperationException">Operation failed.</exception>
private void Initialize(MediaFormat format)
{
if (format.Type == MediaFormatType.Container)
{
throw new ArgumentException("Creating a packet for container is not supported.");
}
IntPtr formatHandle = IntPtr.Zero;
try
{
formatHandle = format.AsNativeHandle();
int ret = Interop.MediaPacket.Create(formatHandle, IntPtr.Zero, IntPtr.Zero, out _handle);
MultimediaDebug.AssertNoError(ret);
Debug.Assert(_handle != IntPtr.Zero, "Created handle must not be null");
Alloc();
}
catch (Exception)
{
if (_handle != IntPtr.Zero)
{
Interop.MediaPacket.Destroy(_handle);
_handle = IntPtr.Zero;
}
throw;
}
finally
{
if (formatHandle != IntPtr.Zero)
{
Interop.MediaFormat.Unref(formatHandle);
}
}
}
internal override void AsNativeHandle(IntPtr handle)
{
Debug.Assert(Type == MediaFormatType.Audio);
int ret = Interop.MediaFormat.SetAudioMimeType(handle, (int)MimeType);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetAudioChannel(handle, Channel);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetAudioSampleRate(handle, SampleRate);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetAudioBit(handle, Bit);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetAudioAverageBps(handle, BitRate);
MultimediaDebug.AssertNoError(ret);
ret = Interop.MediaFormat.SetAudioAacType(handle, (int)AacType);
MultimediaDebug.AssertNoError(ret);
}
private void SetExtra(IntPtr ptr)
{
int ret = Interop.MediaPacket.SetExtra(_packet._handle, ptr);
MultimediaDebug.AssertNoError(ret);
}
