inviwo::ffmpeg::Decoder Class Reference

RAII wrapper around an AVCodecContext set up for decoding. More...

#include <inviwo/ffmpeg/wrap/decoder.h>

Inheritance diagram for inviwo::ffmpeg::Decoder:

Public Member Functions
CodecID	codecID () const
	Decoder (const AVStream *stream)
	Create and open a decoder matching the codec parameters of stream.
	Decoder (const Decoder &)=delete
	Decoder (Decoder &&)=delete
void	flush () const
int	height () const
Decoder &	operator= (const Decoder &)=delete
Decoder &	operator= (Decoder &&)=delete
enum AVPixelFormat	pixelFormat () const
int	receiveFrame (Frame &frame) const
	Retrieve the next decoded frame.
void	reset () const
	Discard any buffered state, must be called after seeking.
void	sendPacket (const Packet &pkt) const
int	width () const

Public Attributes
AVCodecContext *	ctx

Detailed Description

RAII wrapper around an AVCodecContext set up for decoding.

See also

Encoder for the encoding counterpart

Constructor & Destructor Documentation

Decoder()

inviwo::ffmpeg::Decoder::Decoder ( const AVStream * stream )

explicit

Create and open a decoder matching the codec parameters of stream.

Exceptions

Exception

if no decoder is available for the codec or if it cannot be opened

Member Function Documentation

flush()

void inviwo::ffmpeg::Decoder::flush

(

)

const

Signal end of stream to the decoder, any remaining frames can then be collected with receiveFrame()

receiveFrame()

int inviwo::ffmpeg::Decoder::receiveFrame

(

Frame &

frame

)

const

Retrieve the next decoded frame.

Returns

0 on success, AVERROR(EAGAIN) if more packets are needed, AVERROR_EOF if the decoder has been fully drained

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

• modules/ffmpeg/include/inviwo/ffmpeg/wrap/decoder.h