filter.c File Reference

Include dependency graph for filter.c:

Functions
filter_t *	filter_NewBlend (vlc_object_t *p_this, const video_format_t *p_dst_chroma)
	It creates a blend filter.
int	filter_ConfigureBlend (filter_t *p_blend, int i_dst_width, int i_dst_height, const video_format_t *p_src)
	It configures blend filter parameters that are allowed to changed after the creation.
int	filter_Blend (filter_t *p_blend, picture_t *p_dst, int i_dst_x, int i_dst_y, const picture_t *p_src, int i_alpha)
	It blends a picture into another one.
void	filter_DeleteBlend (filter_t *p_blend)
	It destroys a blend filter created by filter_NewBlend.
video_splitter_t *	video_splitter_New (vlc_object_t *p_this, const char *psz_name, const video_format_t *p_fmt)
void	video_splitter_Delete (video_splitter_t *p_splitter)

Function Documentation

int filter_Blend	(	filter_t *	,
		picture_t *	p_dst,
		int	i_dst_x,
		int	i_dst_y,
		const picture_t *	p_src,
		int	i_alpha
	)

It blends a picture into another one.

The input picture is not modified and not released.

< Unspecified error

< No error

References filter_t::p_module, VLC_EGENERIC, and VLC_SUCCESS.

Referenced by picture_BlendSubpicture().

int filter_ConfigureBlend	(	filter_t *	p_blend,
		int	i_dst_width,
		int	i_dst_height,
		const video_format_t *	p_src
	)

It configures blend filter parameters that are allowed to changed after the creation.

< Unspecified error

< No error

References filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_chroma, es_format_t::i_codec, video_format_t::i_height, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, module_need, module_unneed, filter_t::p_module, es_format_t::video, VLC_EGENERIC, and VLC_SUCCESS.

Referenced by picture_BlendSubpicture().

void filter_DeleteBlend

(

filter_t *

p_blend

)

It destroys a blend filter created by filter_NewBlend.

References module_unneed, filter_t::p_module, and vlc_object_release.

Referenced by ThreadDisplayRenderPicture(), and ThreadStop().

filter_t* filter_NewBlend	(	vlc_object_t *	,
		const video_format_t *	p_dst_chroma
	)

It creates a blend filter.

Only the chroma properties of the dest format is used (chroma type, rgb masks and shifts)

References es_format_Init(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_bmask, video_format_t::i_chroma, es_format_t::i_codec, video_format_t::i_gmask, video_format_t::i_lbshift, video_format_t::i_lgshift, video_format_t::i_lrshift, video_format_t::i_rbshift, video_format_t::i_rgshift, video_format_t::i_rmask, video_format_t::i_rrshift, filter_t::p_module, es_format_t::video, VIDEO_ES, and vlc_custom_create.

Referenced by ThreadDisplayRenderPicture().

void video_splitter_Delete

(

video_splitter_t *

p_splitter

)

References video_splitter_t::fmt, module_unneed, video_splitter_t::p_module, video_format_Clean(), and vlc_object_release.

Referenced by SplitterClose(), video_splitter_New(), and vout_NewSplitter().

video_splitter_t* video_splitter_New	(	vlc_object_t *	p_this,
		const char *	psz_name,
		const video_format_t *	p_fmt
	)

References video_splitter_t::fmt, module_need, video_splitter_t::p_module, video_format_Copy(), video_splitter_Delete(), and vlc_custom_create.

Referenced by vout_NewSplitter().