VideoConverter

#include <icy/av/videoconverter.h>

Converts video frames between pixel formats and resolutions.

Public Attributes

Return	Name	Description
`SwsContext *`	`ctx`	libswscale conversion context.
`AVFrame *`	`oframe`	Reusable output frame allocated by create().
`VideoCodec`	`iparams`	Expected input video parameters.
`VideoCodec`	`oparams`	Target output video parameters.

ctx

SwsContext * ctx

libswscale conversion context.

oframe

AVFrame * oframe

Reusable output frame allocated by create().

iparams

VideoCodec iparams

Expected input video parameters.

oparams

VideoCodec oparams

Target output video parameters.

Public Methods

Return	Name	Description
	`VideoConverter`
	`VideoConverter`	Deleted constructor.
	`VideoConverter`	Deleted constructor.
`void`	`create` `virtual`	Initialise the libswscale context and allocate the output frame. Uses iparams and oparams to configure the conversion pipeline. Throws std::runtime_error if already initialised or if parameters are invalid.
`void`	`close` `virtual`	Free the libswscale context and the output frame.
`AVFrame *`	`convert` `virtual`	Convert `iframe` to the output pixel format and resolution. The returned frame is owned by this converter and is overwritten on the next call.

VideoConverter

VideoConverter()

VideoConverter

VideoConverter(const VideoConverter &) = delete

Deleted constructor.

VideoConverter

VideoConverter(VideoConverter &&) = delete

Deleted constructor.

create

virtual

virtual void create()

Initialise the libswscale context and allocate the output frame. Uses iparams and oparams to configure the conversion pipeline. Throws std::runtime_error if already initialised or if parameters are invalid.

close

virtual

virtual void close()

Free the libswscale context and the output frame.

convert

virtual

virtual AVFrame * convert(AVFrame * iframe)

Convert iframe to the output pixel format and resolution. The returned frame is owned by this converter and is overwritten on the next call.

Parameters

iframe The source AVFrame; must match iparams dimensions and pixel format.

Returns

The converted output AVFrame.