@Override
public Format setInputFormat(Format format) {
final VideoFormat videoFormat = (VideoFormat) format;
if (videoFormat.getSize() == null) return null; // must set a size.
// TODO: check VideoFormat and compatibility
return super.setInputFormat(format);
}
@Override
public Format[] getSupportedOutputFormats(Format input) {
if (input == null) return supportedOutputFormats;
final VideoFormat inputCast = (VideoFormat) input;
final Format[] result =
new Format[] {
new RGBFormat(
inputCast.getSize(), -1, Format.byteArray, inputCast.getFrameRate(), -1, -1, -1, -1)
};
// TODO: we don't know the details of the output format (pixel masks,
// etc) until we actually parse one!
return result;
}
@Override
protected void copy(Format f) {
super.copy(f);
final GIFFormat oCast = (GIFFormat) f; // it has to be a GIFFormat, or
// ClassCastException will be
// thrown.
}
/**
* Read screen.
*
* @param output output buffer for screen bytes
* @param dim dimension of the screen
* @return raw bytes, it could be equal to output or not. Take care in the caller to check if
* output is the returned value.
*/
public byte[] readScreen(byte[] output, Dimension dim) {
VideoFormat format = (VideoFormat) getFormat();
Dimension formatSize = format.getSize();
int width = formatSize.width;
int height = formatSize.height;
BufferedImage scaledScreen = null;
BufferedImage screen = null;
byte data[] = null;
int size = width * height * 4;
// If output is not large enough, enlarge it.
if ((output == null) || (output.length < size)) output = new byte[size];
/* get desktop screen via native grabber if available */
if (desktopInteract.captureScreen(displayIndex, x, y, dim.width, dim.height, output)) {
return output;
}
System.out.println("failed to grab with native! " + output.length);
/* OK native grabber failed or is not available,
* try with AWT Robot and convert it to the right format
*
* Note that it is very memory consuming since memory are allocated
* to capture screen (via Robot) and then for converting to raw bytes
* Moreover support for multiple display has not yet been investigated
*
* Normally not of our supported platform (Windows (x86, x64),
* Linux (x86, x86-64), Mac OS X (i386, x86-64, ppc) and
* FreeBSD (x86, x86-64) should go here.
*/
screen = desktopInteract.captureScreen();
if (screen != null) {
/* convert to ARGB BufferedImage */
scaledScreen =
ImgStreamingUtils.getScaledImage(screen, width, height, BufferedImage.TYPE_INT_ARGB);
/* get raw bytes */
data = ImgStreamingUtils.getImageBytes(scaledScreen, output);
}
screen = null;
scaledScreen = null;
return data;
}
/**
* Copies the attributes from the specified <CODE>Format</CODE> into this <CODE>YUVFormat</CODE>.
*
* @param f The <CODE>Format</CODE> to copy the attributes from.
*/
protected void copy(Format f) {
super.copy(f);
if (f instanceof YUVFormat) {
YUVFormat other = (YUVFormat) f;
yuvType = other.yuvType;
strideY = other.strideY;
strideUV = other.strideUV;
offsetY = other.offsetY;
offsetU = other.offsetU;
offsetV = other.offsetV;
}
}
public static VideoFormat buildVideoFormatForResolution(String s) {
if (s == null || s.length() == 0) return null;
VideoFormat rv = new VideoFormat();
rv.setFormatName(s);
try {
int xidx = s.indexOf('x');
if (xidx == -1) return rv;
rv.width = Integer.parseInt(s.substring(0, xidx));
int lastIdx = xidx + 1;
while (Character.isDigit(s.charAt(lastIdx))) {
lastIdx++;
if (lastIdx >= s.length()) break;
}
rv.height = Integer.parseInt(s.substring(xidx + 1, lastIdx));
if (lastIdx < s.length() && s.charAt(lastIdx) == 'i') rv.interlaced = true;
int atSym = s.indexOf('@');
if (atSym != -1) {
lastIdx = atSym + 1;
while (Character.isDigit(s.charAt(lastIdx)) || s.charAt(lastIdx) == '.') {
lastIdx++;
if (lastIdx >= s.length()) break;
}
rv.fps = Float.parseFloat(s.substring(atSym + 1, lastIdx));
}
return rv;
} catch (Exception e) {
System.out.println("Error parsing resolution:" + s + " of:" + e);
return rv;
}
}
protected void getFileInfo() {
try {
mediaFileInfo = new MediaFileInfo(new AndroidMediaObjectFactory(getApplicationContext()));
mediaFileInfo.setUri(mediaUri1);
duration = mediaFileInfo.getDurationInMicroSec();
audioFormat = (AudioFormat) mediaFileInfo.getAudioFormat();
if (audioFormat == null) {
showMessageBox(
"Audio format info unavailable",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {}
});
}
videoFormat = (VideoFormat) mediaFileInfo.getVideoFormat();
if (videoFormat == null) {
showMessageBox(
"Video format info unavailable",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {}
});
} else {
videoWidthIn = videoFormat.getVideoFrameSize().width();
videoHeightIn = videoFormat.getVideoFrameSize().height();
}
} catch (Exception e) {
String message = (e.getMessage() != null) ? e.getMessage() : e.toString();
showMessageBox(
message,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {}
});
}
}
protected void copy(Format f) {
super.copy(f);
final RGBFormat oCast =
(RGBFormat) f; // it has to be a RGBFormat, or ClassCastException will be thrown.
this.bitsPerPixel = oCast.bitsPerPixel;
this.redMask = oCast.redMask;
this.greenMask = oCast.greenMask;
this.blueMask = oCast.blueMask;
this.pixelStride = oCast.pixelStride;
this.lineStride = oCast.lineStride;
this.flipped = oCast.flipped;
this.endian = oCast.endian;
}
public static VideoFormat buildVideoFormatFromProperty(String str) {
VideoFormat rv = new VideoFormat();
int currNameStart = 0;
int currValueStart = -1;
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (c == '\\') {
// Escaped character, so skip the next one
i++;
continue;
} else if (c == '=') {
// We found the name=value delimeter, set the value start position
currValueStart = i + 1;
} else if ((c == ';' || i == str.length() - 1) && currValueStart != -1) {
if (c != ';' && i == str.length() - 1) i++;
// We're at the end of the name value pair, get their values!
String name = str.substring(currNameStart, currValueStart - 1);
String value = str.substring(currValueStart, i);
currNameStart = i + 1;
currValueStart = -1;
if (value.length() > 0) {
try {
if ("f".equals(name)) rv.setFormatName(unescapeString(value));
else if ("fps".equals(name)) rv.fps = Float.parseFloat(value);
else if ("fpsd".equals(name)) rv.fpsDen = Integer.parseInt(value);
else if ("fpsn".equals(name)) rv.fpsNum = Integer.parseInt(value);
else if ("ar".equals(name)) rv.aspectRatio = Float.parseFloat(value);
else if ("ard".equals(name)) rv.arDen = Integer.parseInt(value);
else if ("arn".equals(name)) rv.arNum = Integer.parseInt(value);
else if ("w".equals(name)) rv.width = Integer.parseInt(value);
else if ("h".equals(name)) rv.height = Integer.parseInt(value);
else if ("lace".equals(name) && "1".equals(value)) rv.interlaced = true;
else if ("cs".equals(name)) rv.colorspace = unescapeString(value).intern();
else if ("br".equals(name)) rv.bitrate = Integer.parseInt(value);
else if ("vbr".equals(name)) rv.vbr = "1".equals(value);
else if ("main".equals(name)) rv.primary = "yes".equalsIgnoreCase(value);
else if ("index".equals(name)) rv.orderIndex = Integer.parseInt(value);
else if ("tag".equals(name)) rv.id = value.intern();
else if ("fpa".equals(name)) rv.framePack3D = value.intern();
} catch (Exception e) {
System.out.println("ERROR parsing video format info " + str + " of:" + e);
}
}
}
}
return rv;
}