Inheritance diagram for com::avpkit::core::BufferSource:

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Collaboration diagram for com::avpkit::core::BufferSource:

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Public Member Functions
virtual int	addAudioSamples (IAudioSamples *samples)
	Adds audio samples to this filter. More...

virtual int	addVideoPicture (IVideoPicture *picture)
	Adds picture to this filter. More...

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...

Public Member Functions inherited from com::avpkit::core::MediaFilter
virtual int	setIntProperty (const char *name, int value)
	Sets an integer parameter for this filter. More...

virtual int	setDoubleProperty (const char *name, double value)
	Sets a double parameter for this filter. More...

virtual int	setProperty (const char name, const char value)
	Sets a string parameter for this filter. More...

virtual int	setRationalProperty (const char name, IRational value)
	Sets a rational parameter for this filter. More...

virtual int	initFilter ()
	Initialize filter. More...

virtual int	addFilter (IMediaFilter *filter)
	Add a filter as an output of this filter. More...

virtual int	addSink (IBufferSink *filterSink)
	Add a filter as an output of this filter. More...

virtual void	setReady ()

Static Public Member Functions
static BufferSource *	make (AVFilterGraph graph, IAudioSamples::Format format, int channels, int sample_rate, IRational time_base, IAudioSamples::ChannelLayout channel_layout)

static BufferSource *	make (AVFilterGraph graph, IPixelFormat::Type format, int width, int height, IRational frame_rate, IRational *time_base)

static BufferSource *	make (AVFilterGraph graph, IVideoPicture picture, IRational *frame_rate)

Static Public Member Functions inherited from com::avpkit::core::MediaFilter
static MediaFilter *	make (AVFilterGraph graph, const char name)

Additional Inherited Members
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 Member Functions inherited from com::avpkit::core::MediaFilter
int	getAvailableInput ()

int	getAvailableOutput ()

AVFilterContext *	getAVFilter ()

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.

Protected Attributes inherited from com::avpkit::core::MediaFilter
const AVFilter *	mFilter

AVFilterContext *	mFilterContext

bool	ready

Detailed Description

Definition at line 44 of file BufferSource.h.

Member Function Documentation

◆ addAudioSamples()

int com::avpkit::core::BufferSource::addAudioSamples ( IAudioSamples * samples )

virtual

Adds audio samples to this filter.

Parameters

samples the audio samples to add

Returns: 0 on success or <0 if an error occurs

Implements com::avpkit::core::IBufferSource.

Definition at line 38 of file BufferSource.cpp.

                                                                     {
                 int retval = -1;
                 if (!mFilterContext || !ready) {
                     VS_LOG_ERROR("Try to add samples to an unitialized abuffer");
                     return retval;
                 }
                 if (samples) {
                     AudioSamples* inSamples = static_cast<AudioSamples*> (samples);
                     AVFrame* frame = av_frame_alloc();
                     if (frame) {
                         frame->nb_samples = inSamples->getNumSamples();
                         frame->sample_rate = inSamples->getSampleRate();
                         frame->format = inSamples->getFormat();
                         frame->channels = inSamples->getChannels();
                         frame->channel_layout = (uint64_t) inSamples->getChannelLayout();
                         IRational* timeBase = inSamples->getTimeBase();
                         frame->pts = mTimeBase->rescale(inSamples->getPts(), timeBase);
                         VS_REF_RELEASE(timeBase);
                         int data_size = av_samples_get_buffer_size(&frame->linesize[0],
                                 frame->channels,
                                 frame->nb_samples,
                                 (AVSampleFormat) frame->format,
                                 0);
                         if (data_size >= 0) {
                             retval = avcodec_fill_audio_frame(frame,
                                     frame->channels,
                                     (AVSampleFormat) frame->format,
                                     (const uint8_t*) inSamples->getRawSamples(0),
                                     data_size,
                                     0);
                             retval = av_buffersrc_write_frame(mFilterContext, frame);
                         } else {
                             av_frame_free(&frame);
                         }
                         if (retval < 0) {
                             av_frame_free(&frame);
                         }
                         av_frame_free(&frame);
                     }
                 } else {
                     retval = av_buffersrc_add_frame_flags(mFilterContext, NULL, AV_BUFFERSRC_FLAG_PUSH);
                 }
  
  
                 return retval;
             }

References com::avpkit::core::AudioSamples::getChannels(), com::avpkit::core::AudioSamples::getFormat(), com::avpkit::core::AudioSamples::getNumSamples(), com::avpkit::core::AudioSamples::getPts(), com::avpkit::core::AudioSamples::getSampleRate(), and com::avpkit::core::AudioSamples::getTimeBase().

◆ addVideoPicture()

int com::avpkit::core::BufferSource::addVideoPicture ( IVideoPicture * picture )

virtual

Adds picture to this filter.

Parameters

picture the picture to add

Returns: 0 on success or <0 if an error occurs

Implements com::avpkit::core::IBufferSource.

Definition at line 85 of file BufferSource.cpp.

                                                                     {
                 int retval = -1;
                 if (!mFilterContext || !ready) {
                     VS_LOG_ERROR("Try to add picture to an unitialized buffer");
                     return retval;
                 }
                 if (picture) {
                     AVFrame* frame = av_frame_alloc();
                     if (frame) {
                         VideoPicture* inPicture = static_cast<VideoPicture*> (picture);
                         IRational* timeBase = inPicture->getTimeBase();
                         int64_t pts = mTimeBase->rescale(inPicture->getPts(), timeBase);
                         VS_REF_RELEASE(timeBase);
                         av_frame_ref(frame, inPicture->getAVFrame());
                         frame->pts = pts;
                         retval = av_buffersrc_add_frame(mFilterContext, frame);
                         av_frame_free(&frame);
                     }
                 } else {
                     retval = av_buffersrc_add_frame_flags(mFilterContext, NULL, AV_BUFFERSRC_FLAG_PUSH);
                 }
  
                 return retval;
             }

References com::avpkit::core::VideoPicture::getAVFrame(), com::avpkit::core::VideoPicture::getPts(), and com::avpkit::core::VideoPicture::getTimeBase().

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

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

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ addAudioSamples()

◆ addVideoPicture()