Inheritance diagram for com::avpkit::core::VideoResampler:

Collaboration diagram for com::avpkit::core::VideoResampler:

[legend]

Public Member Functions
virtual int32_t	getInputWidth ()
	Get the width in pixels we expect on the input frame to the resampler. More...

virtual int32_t	getInputHeight ()
	Get the height in pixels we expect on the input frame to the resampler. More...

virtual IPixelFormat::Type	getInputPixelFormat ()
	Get the input pixel format. More...

virtual int32_t	getOutputWidth ()
	Get the output width, in pixels. More...

virtual int32_t	getOutputHeight ()
	Get the output height, in pixels. More...

virtual IPixelFormat::Type	getOutputPixelFormat ()
	Get the output pixel format. More...

virtual int32_t	resample (IVideoPicture pOutFrame, IVideoPicture pInFrame)
	Resample in to out based on the resampler parameters. More...

virtual int32_t	getNumProperties ()
	Returns the total number of settable properties on this object. More...

virtual IProperty *	getPropertyMetaData (int32_t propertyNo)
	Returns the name of the numbered property. More...

virtual IProperty *	getPropertyMetaData (const char *name)
	Returns the name of the numbered property. More...

virtual int32_t	setProperty (const char name, const char value)
	Sets a property on this Object. More...

virtual int32_t	setProperty (const char *name, double value)
	Looks up the property 'name' and sets the value of the property to 'value'. More...

virtual int32_t	setProperty (const char *name, int64_t value)
	Looks up the property 'name' and sets the value of the property to 'value'. More...

virtual int32_t	setProperty (const char *name, bool value)
	Looks up the property 'name' and sets the value of the property to 'value'. More...

virtual int32_t	setProperty (const char name, IRational value)
	Looks up the property 'name' and sets the value of the property to 'value'. More...

virtual char *	getPropertyAsString (const char *name)
	Gets a property on this Object. More...

virtual double	getPropertyAsDouble (const char *name)
	Gets the value of this property, and returns as a double;. More...

virtual int64_t	getPropertyAsLong (const char *name)
	Gets the value of this property, and returns as an long;. More...

virtual IRational *	getPropertyAsRational (const char *name)
	Gets the value of this property, and returns as an IRational;. More...

virtual bool	getPropertyAsBoolean (const char *name)
	Gets the value of this property, and returns as a boolean. More...

virtual int32_t	setProperty (IMetaData valuesToSet, IMetaData valuesNotFound)

Public Member Functions inherited from com::avpkit::ferry::RefCounted
virtual int32_t	acquire ()
	Internal Only. More...

virtual int32_t	release ()
	Internal Only. More...

virtual RefCounted *	copyReference ()
	Create a new Java object that refers to the same native object. More...

virtual int32_t	getCurrentRefCount ()
	Return the current reference count on this object. More...

void	setJavaAllocator (void *allocator)
	This method is public but not part of the standard API. More...

void *	getJavaAllocator ()
	This method is public but not part of the standard API. More...

Static Public Member Functions
static VideoResampler *	make (int32_t outputWidth, int32_t outputHeight, IPixelFormat::Type outputFmt, int32_t inputWidth, int32_t inputHeight, IPixelFormat::Type inputFmt)

Static Public Member Functions inherited from com::avpkit::core::IVideoResampler
static IVideoResampler *	make (int32_t outputWidth, int32_t outputHeight, IPixelFormat::Type outputFmt, int32_t inputWidth, int32_t inputHeight, IPixelFormat::Type inputFmt)
	Get a new video resampler. More...

static bool	isSupported (Feature feature)
	Returns true if the asked for feature is supported. More...

Additional Inherited Members
Public Types inherited from com::avpkit::core::IVideoResampler
enum	Feature { FEATURE_IMAGERESCALING , FEATURE_COLORSPACECONVERSION }
	Features that the VideoResampler may optionally support.

Protected Member Functions inherited from com::avpkit::ferry::RefCounted
virtual void	destroy ()
	This method is called by RefCounted objects when their Ref Count reaches zero and they are about to be destroyed.

Protected Attributes inherited from com::avpkit::ferry::RefCounted
AtomicInteger *	mRefCount
	This is the internal reference count, represented as an AtomicInteger to make sure it is thread safe.

void *	mAllocator
	Not part of public API.

Detailed Description

Definition at line 36 of file VideoResampler.h.

Member Function Documentation

◆ getInputHeight()

int32_t com::avpkit::core::VideoResampler::getInputHeight ( )

virtual

Get the height in pixels we expect on the input frame to the resampler.

Returns: The height we expect on the input frame to the resampler.

Implements com::avpkit::core::IVideoResampler.

Definition at line 64 of file VideoResampler.cpp.

   {
     return mIHeight;
   }

◆ getInputPixelFormat()

IPixelFormat::Type com::avpkit::core::VideoResampler::getInputPixelFormat ( )

virtual

Get the input pixel format.

Returns: The pixel format we expect on the input frame to the resampler.

Implements com::avpkit::core::IVideoResampler.

Definition at line 88 of file VideoResampler.cpp.

   {
     return mIPixelFmt;
   }

◆ getInputWidth()

int32_t com::avpkit::core::VideoResampler::getInputWidth ( )

virtual

Get the width in pixels we expect on the input frame to the resampler.

Returns: The width we expect on the input frame to the resampler.

Implements com::avpkit::core::IVideoResampler.

Definition at line 70 of file VideoResampler.cpp.

   {
     return mIWidth;
   }

◆ getNumProperties()

int32_t com::avpkit::core::VideoResampler::getNumProperties ( )

virtual

Returns the total number of settable properties on this object.

Returns: total number of options (not including constant definitions)

Implements com::avpkit::core::IVideoResampler.

Definition at line 298 of file VideoResampler.cpp.

   {
     return Property::getNumProperties(mContext);
   }

◆ getOutputHeight()

int32_t com::avpkit::core::VideoResampler::getOutputHeight ( )

virtual

Get the output height, in pixels.

Returns: The height we will resample the output frame to

Implements com::avpkit::core::IVideoResampler.

Definition at line 76 of file VideoResampler.cpp.

   {
     return mOHeight;
   }

◆ getOutputPixelFormat()

IPixelFormat::Type com::avpkit::core::VideoResampler::getOutputPixelFormat ( )

virtual

Get the output pixel format.

Returns: The pixel format we will resample the output frame to

Implements com::avpkit::core::IVideoResampler.

Definition at line 94 of file VideoResampler.cpp.

   {
     return mOPixelFmt;
   }

◆ getOutputWidth()

int32_t com::avpkit::core::VideoResampler::getOutputWidth ( )

virtual

Get the output width, in pixels.

Returns: The width we will resample the output frame to

Implements com::avpkit::core::IVideoResampler.

Definition at line 82 of file VideoResampler.cpp.

   {
     return mOWidth;
   }

◆ getPropertyAsBoolean()

bool com::avpkit::core::VideoResampler::getPropertyAsBoolean ( const char * name )

virtual

Gets the value of this property, and returns as a boolean.

Parameters

name	name of option

Returns: boolean value of property, or false on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 379 of file VideoResampler.cpp.

   {
     return Property::getPropertyAsBoolean(mContext, aName);
   }

◆ getPropertyAsDouble()

double com::avpkit::core::VideoResampler::getPropertyAsDouble ( const char * name )

virtual

Gets the value of this property, and returns as a double;.

Parameters

name	name of option

Returns: double value of property, or 0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 361 of file VideoResampler.cpp.

   {
     return Property::getPropertyAsDouble(mContext, aName);
   }

◆ getPropertyAsLong()

int64_t com::avpkit::core::VideoResampler::getPropertyAsLong ( const char * name )

virtual

Gets the value of this property, and returns as an long;.

Parameters

name	name of option

Returns: long value of property, or 0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 367 of file VideoResampler.cpp.

   {
     return Property::getPropertyAsLong(mContext, aName);
   }

◆ getPropertyAsRational()

IRational * com::avpkit::core::VideoResampler::getPropertyAsRational ( const char * name )

virtual

Gets the value of this property, and returns as an IRational;.

Parameters

name	name of option

Returns: long value of property, or 0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 373 of file VideoResampler.cpp.

   {
     return Property::getPropertyAsRational(mContext, aName);
   }

◆ getPropertyAsString()

char * com::avpkit::core::VideoResampler::getPropertyAsString ( const char * name )

virtual

Gets a property on this Object.

Note for C++ callers; you must free the returned array with delete[] in order to avoid a memory leak. Other language folks need not worry.

Parameters

name	property name

Returns: an string copy of the option value, or null if the option doesn't exist.

Implements com::avpkit::core::IVideoResampler.

Definition at line 355 of file VideoResampler.cpp.

   {
     return Property::getPropertyAsString(mContext, aName);
   }

◆ getPropertyMetaData() [1/2]

IProperty * com::avpkit::core::VideoResampler::getPropertyMetaData ( const char * name )

virtual

Returns the name of the numbered property.

Parameters

name	The property name.

Returns: an IProperty value for this properties meta-data

Implements com::avpkit::core::IVideoResampler.

Definition at line 310 of file VideoResampler.cpp.

   {
     return Property::getPropertyMetaData(mContext, name);
   }

◆ getPropertyMetaData() [2/2]

IProperty * com::avpkit::core::VideoResampler::getPropertyMetaData ( int32_t propertyNo )

virtual

Returns the name of the numbered property.

Parameters

propertyNo The property number in the options list.

Returns: an IProperty value for this properties meta-data

Implements com::avpkit::core::IVideoResampler.

Definition at line 304 of file VideoResampler.cpp.

   {
     return Property::getPropertyMetaData(mContext, propertyNo);
   }

◆ resample()

int32_t com::avpkit::core::VideoResampler::resample	(	IVideoPicture *	outVideoPicture,
		IVideoPicture *	inVideoPicture
	)

virtual

Resample in to out based on the resampler parameters.

Resamples the in picture based on the parameters set when this resampler was constructed.

Parameters

outVideoPicture	The picture we'll resample to. Check IVideoPicture#isComplete() after the call.
inVideoPicture	The picture we'll resample from.

Returns: >= 0 on success; <0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 100 of file VideoResampler.cpp.

   {
     int32_t retval = -1;
     VideoPicture* outFrame = static_cast<VideoPicture*>(pOutFrame);
     VideoPicture* inFrame  = static_cast<VideoPicture*>(pInFrame);
     try
     {
       if (!outFrame)
         throw std::invalid_argument("invalid output frame");
       if (outFrame->getHeight() != mOHeight)
         throw std::runtime_error("output frame height does not match expected value");
       if (outFrame->getWidth() != mOWidth)
         throw std::runtime_error("output frame width does not match expected value");
       if (outFrame->getPixelType() != mOPixelFmt)
         throw std::runtime_error("output frame pixel format does not match expected value");
  
       
       if (!inFrame)
         throw std::invalid_argument("invalid input frame");
       
       if (inFrame->getHeight() != mIHeight)
         throw std::runtime_error("input frame height does not match expected value");
       if (inFrame->getWidth() != mIWidth)
         throw std::runtime_error("input frame width does not match expected value");
       if (inFrame->getPixelType() != mIPixelFmt)
         throw std::runtime_error("input frame pixel format does not match expected value");
       if (!inFrame->isComplete())
         throw std::runtime_error("incoming frame doesn't have complete data");
  
       // Allocate our output frame.
       outFrame->setComplete(false, mOPixelFmt, mOWidth, mOHeight,
           inFrame->getPts());
       AVFrame *outAVFrame = outFrame->getAVFrame();
  
       // Get our input frame; since it's complete() we can pass anything
       // for the argument
       AVFrame *inAVFrame = inFrame->getAVFrame(); 
  
       /*
       VS_LOG_DEBUG("%dx%d(%d:%d)=>%dx%d(%d:%d)",
           inFrame->getWidth(), inFrame->getHeight(), inFrame->getPixelType(), inAVFrame->linesize[0],
           outFrame->getWidth(), outFrame->getHeight(), outFrame->getPixelType(), outAVFrame->linesize[0]);
  
       memset(outAVFrame->data[0], 64*3-1, outAVFrame->linesize[0]);
       */
       // And do the conversion; works around FFmpeg checkin r30306
       const uint8_t* srcFrame[4] = {
           inAVFrame->data[0],
           inAVFrame->data[1],
           inAVFrame->data[2],
           inAVFrame->data[3],
       };
       retval = sws_scale(mContext, srcFrame, inAVFrame->linesize, 0,
           mIHeight, outAVFrame->data, outAVFrame->linesize);
       
       // and go home happy.
       {
         outFrame->setQuality(inFrame->getQuality());
         outFrame->setComplete(retval >= 0,mOPixelFmt, mOWidth, mOHeight,
             inFrame->getPts());
       }
     }
     catch (std::bad_alloc& e)
     {
       throw e;
     }
     catch (std::exception& e)
     {
       VS_LOG_DEBUG("error: %s", e.what());
       retval = -1;
     }
     return retval;
   }

References com::avpkit::core::VideoPicture::getAVFrame(), com::avpkit::core::VideoPicture::getHeight(), com::avpkit::core::VideoPicture::getPixelType(), com::avpkit::core::VideoPicture::getPts(), com::avpkit::core::VideoPicture::getQuality(), com::avpkit::core::VideoPicture::getWidth(), com::avpkit::core::VideoPicture::isComplete(), com::avpkit::core::VideoPicture::setComplete(), and com::avpkit::core::VideoPicture::setQuality().

◆ setProperty() [1/5]

int32_t com::avpkit::core::VideoResampler::setProperty	(	const char *	name,
		bool	value
	)

virtual

Looks up the property 'name' and sets the value of the property to 'value'.

Parameters

name	name of option
value	Value of option

Returns: >= 0 on success; <0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 341 of file VideoResampler.cpp.

   {
     return Property::setProperty(mContext, aName, aValue);
   }

◆ setProperty() [2/5]

int32_t com::avpkit::core::VideoResampler::setProperty	(	const char *	name,
		const char *	value
	)

virtual

Sets a property on this Object.

All AVOptions supported by the underlying AVClass are supported.

Parameters

name	The property name. For example "b" for bit-rate.
value	The value of the property.

Returns: >= 0 if the property was successfully set; <0 on error

Implements com::avpkit::core::IVideoResampler.

Definition at line 323 of file VideoResampler.cpp.

   {
     return Property::setProperty(mContext, aName, aValue);
   }

◆ setProperty() [3/5]

int32_t com::avpkit::core::VideoResampler::setProperty	(	const char *	name,
		double	value
	)

virtual

Looks up the property 'name' and sets the value of the property to 'value'.

Parameters

name	name of option
value	Value of option

Returns: >= 0 on success; <0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 329 of file VideoResampler.cpp.

   {
     return Property::setProperty(mContext, aName, aValue);
   }

◆ setProperty() [4/5]

int32_t com::avpkit::core::VideoResampler::setProperty	(	const char *	name,
		int64_t	value
	)

virtual

Looks up the property 'name' and sets the value of the property to 'value'.

Parameters

name	name of option
value	Value of option

Returns: >= 0 on success; <0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 335 of file VideoResampler.cpp.

   {
     return Property::setProperty(mContext, aName, aValue);
   }

◆ setProperty() [5/5]

int32_t com::avpkit::core::VideoResampler::setProperty	(	const char *	name,
		IRational *	value
	)

virtual

Looks up the property 'name' and sets the value of the property to 'value'.

Parameters

name	name of option
value	Value of option

Returns: >= 0 on success; <0 on error.

Implements com::avpkit::core::IVideoResampler.

Definition at line 348 of file VideoResampler.cpp.

   {
     return Property::setProperty(mContext, aName, aValue);
   }

The documentation for this class was generated from the following files:

csrc/com/avpkit/core/VideoResampler.h
csrc/com/avpkit/core/VideoResampler.cpp

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ getInputHeight()

◆ getInputPixelFormat()

◆ getInputWidth()

◆ getNumProperties()

◆ getOutputHeight()

◆ getOutputPixelFormat()

◆ getOutputWidth()

◆ getPropertyAsBoolean()

◆ getPropertyAsDouble()

◆ getPropertyAsLong()

◆ getPropertyAsRational()

◆ getPropertyAsString()

◆ getPropertyMetaData() [1/2]

◆ getPropertyMetaData() [2/2]

◆ resample()

◆ setProperty() [1/5]

◆ setProperty() [2/5]

◆ setProperty() [3/5]

◆ setProperty() [4/5]

◆ setProperty() [5/5]