NativeDecoderpublic final class NativeDecoder extends VideoCodec
| Fields Summary |
|---|
| private int | rMask | | private int | gMask | | private int | bMask | | private NBA | refData | | private int | nativeDatareference to the native data structure | | private int[] | colorMapreference to the color map conversion |
| Constructors Summary |
|---|
public NativeDecoder()
supportedInputFormats = new VideoFormat[] {new VideoFormat(VideoFormat.CINEPAK) };
defaultOutputFormats = new VideoFormat[] {
new RGBFormat(
null, Format.NOT_SPECIFIED, Format.intArray,
Format.NOT_SPECIFIED, // frame rate
32,
0xff, 0xff00, 0xff0000,
1,Format.NOT_SPECIFIED,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
null, Format.NOT_SPECIFIED, Format.intArray,
Format.NOT_SPECIFIED, // frame rate
32,
0xff0000, 0xff00, 0xff,
1,Format.NOT_SPECIFIED,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
null, Format.NOT_SPECIFIED, Format.shortArray,
Format.NOT_SPECIFIED, // frame rate
16,
0xf800, 0x07e0, 0x001f,
1,Format.NOT_SPECIFIED,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
),
new RGBFormat(
null, Format.NOT_SPECIFIED, Format.shortArray,
Format.NOT_SPECIFIED, // frame rate
16,
0x7c00, 0x03e0, 0x001f,
1,Format.NOT_SPECIFIED,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
null, Format.NOT_SPECIFIED, Format.byteArray,
Format.NOT_SPECIFIED, // frame rate
24,
1, 2, 3,
3,Format.NOT_SPECIFIED,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
null, Format.NOT_SPECIFIED, Format.byteArray,
Format.NOT_SPECIFIED, // frame rate
24,
3, 2, 1,
3,Format.NOT_SPECIFIED,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) };
PLUGIN_NAME = "Cinepak Decoder";
|
| Methods Summary |
|---|
| public void | close()
freeNative();
super.close();
| | private native boolean | decodeNative(int bytesPerPixel, java.lang.Object inData, long outDataBytes, java.lang.Object outCopy, long outCopyBytes, int outMaxLength)
| | private native boolean | freeNative()
| | protected javax.media.Format[] | getMatchingOutputFormats(javax.media.Format in)
VideoFormat ivf = (VideoFormat) in;
Dimension inSize = ivf.getSize();
int lineStride = (inSize.width + 3) & 0xFFFFFFFC;
int rowStride = (inSize.height + 3) & 0xFFFFFFFC;
int length = lineStride * rowStride;
supportedOutputFormats= new VideoFormat[] {
new RGBFormat(
inSize, length, Format.intArray,
ivf.getFrameRate(),
32,
0xff, 0xff00, 0xff0000,
1,lineStride,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
inSize, length, Format.intArray,
ivf.getFrameRate(),
32,
0xff0000, 0xff00, 0xff,
1,lineStride,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
inSize, length, Format.shortArray,
ivf.getFrameRate(),
16,
0xf800, 0x07e0, 0x001f,
1,lineStride,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
inSize, length, Format.shortArray,
ivf.getFrameRate(),
16,
0x7c00, 0x03e0, 0x001f,
1,lineStride,
Format.FALSE, // flipped
Format.NOT_SPECIFIED // endian
) ,
new RGBFormat(
inSize, length * 3 , Format.byteArray,
ivf.getFrameRate(),
24,
1, 2, 3,
3, lineStride * 3,
Format.FALSE,
Format.NOT_SPECIFIED
) ,
new RGBFormat(
inSize, length * 3 , Format.byteArray,
ivf.getFrameRate(),
24,
3, 2, 1,
3, lineStride * 3,
Format.FALSE,
Format.NOT_SPECIFIED
) };
return supportedOutputFormats;
| | protected void | initDecoder()
RGBFormat ovf = (RGBFormat)outputFormat;
rMask = ovf.getRedMask();
gMask = ovf.getGreenMask();
bMask = ovf.getBlueMask();
int bitsPerPixel = ovf.getBitsPerPixel() ;
// Translate from position to mask
if (bitsPerPixel == 24 && ovf.getDataType() == Format.byteArray) {
int bypp = bitsPerPixel / 8;
if (Arch.isLittleEndian()) {
rMask = 0xFF << ((rMask - 1) * 8);
gMask = 0xFF << ((gMask - 1) * 8);
bMask = 0xFF << ((bMask - 1) * 8);
} else {
rMask = 0xFF << ((rMask - 1) * 8);
gMask = 0xFF << ((gMask - 1) * 8);
bMask = 0xFF << ((bMask - 1) * 8);
}
}
initNative(bitsPerPixel, rMask, gMask, bMask);
| | private native boolean | initNative(int bitsPerPixel, int rMask, int gMask, int bMask)
| | public void | open()
try {
// JMFSecurityManager.loadLibrary("jmutil");
// JMFSecurityManager.loadLibrary("jmcvid");
initDecoder();
super.open();
return;
} catch (Throwable e) {
}
System.err.println("could not open "+PLUGIN_NAME);
throw new ResourceUnavailableException("could not open "+PLUGIN_NAME);
| | public int | process(javax.media.Buffer inputBuffer, javax.media.Buffer outputBuffer)
Object outData;
if (!checkInputBuffer(inputBuffer) ) {
return BUFFER_PROCESSED_FAILED;
}
if (isEOM(inputBuffer) ) {
propagateEOM(outputBuffer);
return BUFFER_PROCESSED_OK;
}
VideoFormat ivf = (VideoFormat) inputBuffer.getFormat();
int inLength = inputBuffer.getLength();
int inMaxLength = ivf.getMaxDataLength();
int outMaxLength = outputFormat.getMaxDataLength();
Class outputClass = outputFormat.getDataType() ;
outputBuffer.setFormat(outputFormat);
byte[] inData = (byte[]) inputBuffer.getData();
outData = validateData(outputBuffer, 0, true);
int bytesPerPixel = ((RGBFormat)outputFormat).getBitsPerPixel() / 8;
long outDataBytes = 0;
if (outData instanceof NBA)
outDataBytes = ((NBA)outData).getNativeData();
//System.err.println("outDataBytes = " + outDataBytes);
if (refData == null || refData.getSize() < outMaxLength) {
refData = new NBA(outputFormat.getDataType(),
outMaxLength);
}
//System.err.println("outMaxLength = " + outMaxLength);
decodeNative(bytesPerPixel, inData, refData.getNativeData(), outData, outDataBytes, outMaxLength);
updateOutput(outputBuffer, outputFormat, outMaxLength, 0);
return BUFFER_PROCESSED_OK;
| | public void | reset()
| | public javax.media.Format | setInputFormat(javax.media.Format input)
Format ret = super.setInputFormat(input);
if (ret == null)
return null;
if (opened) {
Dimension size = ((VideoFormat)input).getSize();
RGBFormat oldFormat = (RGBFormat) outputFormat;
int lineStride = ((size.width + 3) & 0xFFFFFFFC) * oldFormat.getPixelStride();
int rowStride = (size.height + 3) & 0xFFFFFFFC;
int length = lineStride * rowStride;
outputFormat = new RGBFormat(size,
length,
oldFormat.getDataType(),
((VideoFormat)input).getFrameRate(),
oldFormat.getBitsPerPixel(),
oldFormat.getRedMask(),
oldFormat.getGreenMask(),
oldFormat.getBlueMask(),
oldFormat.getPixelStride(),
lineStride,
oldFormat.getFlipped(),
oldFormat.getEndian()
);
}
return ret;
| | protected void | videoResized()
initDecoder();
|
|
