| Methods Summary |
|---|
| public synchronized void | close()
if (peer != 0)
freeCinepakEncoder(peer);
peer = 0;
|
| private final javax.media.format.VideoFormat | computeOutputFormat(javax.media.Format in)
// Calculate the properties
RGBFormat rgb = (RGBFormat) in;
Dimension size = rgb.getSize();
int maxDataLength = size.width * size.height * 3;
VideoFormat cinepak = new VideoFormat(
VideoFormat.CINEPAK,
size,
maxDataLength,
Format.byteArray,
rgb.getFrameRate() );
return cinepak;
|
| private native int | encodeCinepakFrame(int instance, int[] inData, int dataStart, byte[] outData)
|
| public void | finalize()
close();
|
| private native int | freeCinepakEncoder(int instance)
|
| public java.lang.Object[] | getControls()
if (dc == null)
{
dc = new DC();
controls = new Control[1];
controls[0] = dc;
}
return controls;
|
| protected javax.media.Format | getInputFormat()
return inputFormat;
|
| public java.lang.String | getName()
return "CinepakPro Encoder by CTi";
|
| protected javax.media.Format | getOutputFormat()
return outputFormat;
|
| public javax.media.Format[] | getSupportedOutputFormats(javax.media.Format in)
if (in == null)
return outputFormats;
// Make sure the input is RGB video format
if (!verifyInputFormat(in))
return new Format[0];
Format out [] = new Format[ 1 ];
out[0] = computeOutputFormat(in);
return out;
|
| private native int | initCinepakEncoder(int width_pixels, int height_pixels, int rowPitch_bytes, int colorDepth_bpp, int dibType, int dataRate_kBps, double frameDuration_ms, int forceKeyFrameEvery_f, boolean doFractionInterCodeBook, boolean doLogRequested, boolean doBlackAndWhite, double initKIRatio, boolean doUseAdaptiveKIRatio, int NatKeyThreshold, int SpatialTemporalHint)
|
| public void | open()
if (!canLoad)
throw new ResourceUnavailableException("Unable to load" +
" native CinepakPro converter");
if (!loaded)
{
try
{
//JMFSecurityManager.loadLibrary( "CvidPro" );
JMFSecurityManager.loadLibrary("jmutil");
JMFSecurityManager.loadLibrary("jmfCVIDPro");
loaded = true;
}
catch (Throwable t)
{
canLoad = false;
throw new ResourceUnavailableException("Unable to load " +
"native cinepak encoder");
}
}
if (inputFormat == null || outputFormat == null)
throw new ResourceUnavailableException("Formats not set " +
"on the cinepak encoder");
if (peer != 0)
close();
Dimension size = inputFormat.getSize();
try
{
peer = initCinepakEncoder(
// source image info
size.width,
size.height,
inputFormat.getLineStride(),
inputFormat.getBitsPerPixel(), // should be 24
9, // BGR888 packed 24 bpp
// TODO: make smarter based on pixel stride, etc.
// data rate params
300000, // 300 KB/s
1000.0/inputFormat.getFrameRate(), // 15 fps
30, // keyframes every 2s
//job flags - don't recommend turning any other than B&W on
false, // fraction intercodebooks
false, // logging
false, // black and white
// user knobs
2.1, // K/I ratio
false, // adapt K/I
3500, // nat key insertion threshold
13 // ratio of smooths to skips is 13/8 or about 8:5
);
}
catch (Throwable t)
{
}
if (peer == 0)
{
throw new ResourceUnavailableException("Unable to initialize cinepak encoder");
}
|
| public synchronized int | process(javax.media.Buffer inBuffer, javax.media.Buffer outBuffer)
Object header = null;
if (isEOM(inBuffer))
{
propagateEOM(outBuffer);
return BUFFER_PROCESSED_OK;
}
Format inFormat = inBuffer.getFormat();
Format outFormat = outBuffer.getFormat();
int [] inData = (int[]) inBuffer.getData();
boolean flipped = ((RGBFormat) inFormat).getFlipped() == Format.TRUE;
if (outputFormat.getEncoding().equals(VideoFormat.CINEPAK))
{
byte [] outData = (byte[]) outBuffer.getData();
if ( outData == null
|| (outData.length < outputFormat.getMaxDataLength())
)
{
// int iMaxDataSize = 50000; // make it 500k to be safe
outData = new byte[outputFormat.getMaxDataLength()];
// outData = new byte[ iMaxDataSize ];
outBuffer.setData(outData);
}
if (outFormat == null)
{
outBuffer.setFormat(outputFormat);
}
if (peer == 0)
{
try
{
open();
}
catch (ResourceUnavailableException re)
{
return BUFFER_PROCESSED_FAILED;
}
}
Dimension size = inputFormat.getSize();
returnVal = encodeCinepakFrame(
peer,
inData,
0,
outData );
if (returnVal > 0)
{
outBuffer.setLength(returnVal);
outBuffer.setOffset(0);
inBuffer.setLength(0);
outBuffer.setTimeStamp(inBuffer.getTimeStamp());
if ( wasKeyFrame( peer ) ) {
outBuffer.setFlags( Buffer.FLAG_KEY_FRAME );
} else {
outBuffer.setFlags( outBuffer.getFlags() &
~Buffer.FLAG_KEY_FRAME);
}
return BUFFER_PROCESSED_OK;
}
outBuffer.setDiscard(true);
return BUFFER_PROCESSED_FAILED;
}// if outputformat is CINEPAK
return BUFFER_PROCESSED_FAILED;
|
| public void | reset()
// Anything to do?
|
| public javax.media.Format | setInputFormat(javax.media.Format input)
if (!verifyInputFormat(input))
return null;
inputFormat = (RGBFormat) input;
return inputFormat;
|
| public javax.media.Format | setOutputFormat(javax.media.Format output)
if (matches(output, outputFormats) == null)
{
return null;
}
outputFormat = (VideoFormat) output;
return outputFormat;
|
| private boolean | verifyInputFormat(javax.media.Format input)
if (!(input instanceof RGBFormat))
{
return false;
}
RGBFormat rgb = (RGBFormat) input;
if ( //rgb.getDataType() != Format.intArray ||
rgb.getBitsPerPixel() != 32 ||
rgb.getRedMask() != 0x00FF0000 ||
rgb.getGreenMask() != 0x0000FF00 ||
rgb.getBlueMask() != 0x000000FF ||
rgb.getSize() == null ||
rgb.getLineStride() < rgb.getSize().width ||
rgb.getPixelStride() != 1 )
{
return false;
}
return true;
|
| private native boolean | wasKeyFrame(int instance)
|
