/// <summary>
/// Gets the frame buffer from the specified end point.
/// </summary>
/// <param name="adbSockAddr">The adb sock addr.</param>
/// <param name="device">The device.</param>
/// <returns>Returns the RawImage.</returns>
/// <exception cref="Managed.Adb.Exceptions.AdbException">
/// failed asking for frame buffer
/// or
/// failed nudging
/// </exception>
public RawImage GetFrameBuffer(IPEndPoint adbSockAddr, IDevice device)
{
RawImage imageParams = new RawImage();
byte[] request = FormAdbRequest("framebuffer:"); //$NON-NLS-1$
byte[] nudge = {
0
};
byte[] reply;
Socket adbChan = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try {
adbChan.Connect(adbSockAddr);
adbChan.Blocking = true;
// if the device is not -1, then we first tell adb we're looking to talk
// to a specific device
SetDevice(adbChan, device);
if(!Write(adbChan, request))
throw new AdbException("failed asking for frame buffer");
AdbResponse resp = ReadAdbResponse(adbChan, false /* readDiagString */);
if(!resp.IOSuccess || !resp.Okay) {
Log.w(TAG, "Got timeout or unhappy response from ADB fb req: " + resp.Message);
adbChan.Close();
return null;
}
// first the protocol version.
reply = new byte[4];
if(!Read(adbChan, reply)) {
Log.w(TAG, "got partial reply from ADB fb:");
adbChan.Close();
return null;
}
BinaryReader buf;
int version = 0;
using(MemoryStream ms = new MemoryStream(reply)) {
buf = new BinaryReader(ms);
version = buf.ReadInt16();
}
// get the header size (this is a count of int)
int headerSize = RawImage.GetHeaderSize(version);
// read the header
reply = new byte[headerSize * 4];
if(!Read(adbChan, reply)) {
Log.w(TAG, "got partial reply from ADB fb:");
adbChan.Close();
return null;
}
using(MemoryStream ms = new MemoryStream(reply)) {
buf = new BinaryReader(ms);
// fill the RawImage with the header
if(imageParams.ReadHeader(version, buf) == false) {
Log.w(TAG, "Unsupported protocol: " + version);
return null;
}
}
Log.d(TAG, "image params: bpp=" + imageParams.Bpp + ", size="
+ imageParams.Size + ", width=" + imageParams.Width
+ ", height=" + imageParams.Height);
if(!Write(adbChan, nudge))
throw new AdbException("failed nudging");
reply = new byte[imageParams.Size];
if(!Read(adbChan, reply)) {
Log.w(TAG, "got truncated reply from ADB fb data");
adbChan.Close();
return null;
}
imageParams.Data = reply;
} finally {
if(adbChan != null) {
adbChan.Close();
}
}
return imageParams;
}
/**
* Returns a rotated version of the image
* The image is rotated counter-clockwise.
*/
public RawImage GetRotated()
{
RawImage rotated = new RawImage();
rotated.Version = this.Version;
rotated.Bpp = this.Bpp;
rotated.Size = this.Size;
rotated.Red.Offset = this.Red.Offset;
rotated.Red.Length = this.Red.Length;
rotated.Green.Offset = this.Green.Offset;
rotated.Green.Length = this.Green.Length;
rotated.Blue.Offset = this.Blue.Offset;
rotated.Blue.Length = this.Blue.Length;
rotated.Alpha.Offset = this.Alpha.Offset;
rotated.Alpha.Length = this.Alpha.Length;
rotated.Width = this.Height;
rotated.Height = this.Width;
int count = this.Data.Length;
rotated.Data = new byte[count];
int byteCount = this.Bpp >> 3; // bpp is in bits, we want bytes to match our array
int w = this.Width;
int h = this.Height;
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
Array.Copy(
this.Data, ((y * w) + x) * byteCount,
rotated.Data,
(((w - x - 1) * h) + y) * byteCount,
byteCount);
}
}
return rotated;
}
/// <summary>
/// Gets the frame buffer from the specified end point.
/// </summary>
/// <param name="adbSockAddr">The adb sock addr.</param>
/// <param name="device">The device.</param>
/// <returns>Returns the RawImage.</returns>
/// <exception cref="Managed.Adb.Exceptions.AdbException">
/// failed asking for frame buffer
/// or
/// failed nudging
/// </exception>
public RawImage GetFrameBuffer(IPEndPoint adbSockAddr, IDevice device)
{
RawImage imageParams = new RawImage();
byte[] request = FormAdbRequest("framebuffer:"); //$NON-NLS-1$
byte[] nudge =
{
0
};
byte[] reply;
Socket adbChan = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try {
adbChan.Connect(adbSockAddr);
adbChan.Blocking = true;
// if the device is not -1, then we first tell adb we're looking to talk
// to a specific device
SetDevice(adbChan, device);
if (!Write(adbChan, request))
{
throw new AdbException("failed asking for frame buffer");
}
AdbResponse resp = ReadAdbResponse(adbChan, false /* readDiagString */);
if (!resp.IOSuccess || !resp.Okay)
{
Log.w(TAG, "Got timeout or unhappy response from ADB fb req: " + resp.Message);
adbChan.Close();
return(null);
}
// first the protocol version.
reply = new byte[4];
if (!Read(adbChan, reply))
{
Log.w(TAG, "got partial reply from ADB fb:");
adbChan.Close();
return(null);
}
BinaryReader buf;
int version = 0;
using (MemoryStream ms = new MemoryStream(reply)) {
buf = new BinaryReader(ms);
version = buf.ReadInt16();
}
// get the header size (this is a count of int)
int headerSize = RawImage.GetHeaderSize(version);
// read the header
reply = new byte[headerSize * 4];
if (!Read(adbChan, reply))
{
Log.w(TAG, "got partial reply from ADB fb:");
adbChan.Close();
return(null);
}
using (MemoryStream ms = new MemoryStream(reply)) {
buf = new BinaryReader(ms);
// fill the RawImage with the header
if (imageParams.ReadHeader(version, buf) == false)
{
Log.w(TAG, "Unsupported protocol: " + version);
return(null);
}
}
Log.d(TAG, "image params: bpp=" + imageParams.Bpp + ", size="
+ imageParams.Size + ", width=" + imageParams.Width
+ ", height=" + imageParams.Height);
if (!Write(adbChan, nudge))
{
throw new AdbException("failed nudging");
}
reply = new byte[imageParams.Size];
if (!Read(adbChan, reply))
{
Log.w(TAG, "got truncated reply from ADB fb data");
adbChan.Close();
return(null);
}
imageParams.Data = reply;
} finally {
if (adbChan != null)
{
adbChan.Close();
}
}
return(imageParams);
}
