inviwo::ffmpeg::InputContext Class Reference

RAII wrapper around an AVFormatContext used for demuxing, that is reading media files. More...

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

Inheritance diagram for inviwo::ffmpeg::InputContext:

Public Member Functions
int	bestVideoStream () const
	Index of the video stream ffmpeg considers the most suitable one.
	InputContext (const InputContext &)=delete
	InputContext (InputContext &&)=delete
	InputContext (std::filesystem::path aFilename)
int	nbStreams () const
InputContext &	operator= (const InputContext &)=delete
InputContext &	operator= (InputContext &&)=delete
bool	readPacket (Packet &pkt)
	Read the next packet from the file.
void	seek (int streamIndex, int64_t timestamp)
	Seek to the keyframe at or before timestamp, given in the time base of stream streamIndex.
AVStream *	stream (int index) const

Public Attributes
AVFormatContext *	ctx
std::filesystem::path	filename

Detailed Description

RAII wrapper around an AVFormatContext used for demuxing, that is reading media files.

See also

OutputContext for the muxing counterpart

Member Function Documentation

bestVideoStream()

int inviwo::ffmpeg::InputContext::bestVideoStream

(

)

const

Index of the video stream ffmpeg considers the most suitable one.

Exceptions

Exception

if the file contains no video stream

readPacket()

bool inviwo::ffmpeg::InputContext::readPacket

(

Packet &

pkt

)

Read the next packet from the file.

Returns

false at end of file, true otherwise

stream()

AVStream * inviwo::ffmpeg::InputContext::stream

(

int

index

)

const

Exceptions

RangeException

if index is not a valid stream index

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

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