filter_chain.c File Reference

Include dependency graph for filter_chain.c:

Data Structures
struct	chained_filter_t
struct	filter_chain_t

Typedefs
typedef struct chained_filter_t	chained_filter_t

Functions
module_t *	vlc_filter_LoadModule (filter_t *p_filter, const char *capability, const char *name, bool strict)
void	vlc_filter_UnloadModule (filter_t *p_filter)
static void	FilterDeletePictures (vlc_picture_chain_t *)
	Local prototypes.
static filter_chain_t *	filter_chain_NewInner (vlc_object_t *obj, const char *cap, const char *conv_cap, bool fmt_out_change, enum es_format_category_e cat)
filter_chain_t *	filter_chain_NewSPU (vlc_object_t *obj, const char *cap)
	Create new filter chain.
static picture_t *	filter_chain_VideoBufferNew (filter_t *filter)
	Chained filter picture allocator function.
static vlc_decoder_device *	filter_chain_HoldDecoderDevice (vlc_object_t *o, void *sys)
filter_chain_t *	filter_chain_NewVideo (vlc_object_t *obj, bool allow_change, const filter_owner_t *restrict owner)
void	filter_chain_Clear (filter_chain_t *p_chain)
	Remove all existing filters.
void	filter_chain_Delete (filter_chain_t *p_chain)
	Delete filter chain will delete all filters in the chain and free all allocated data.
void	filter_chain_Reset (filter_chain_t *p_chain, const es_format_t *p_fmt_in, vlc_video_context *vctx_in, const es_format_t *p_fmt_out)
	Filter chain reinitialisation.
static filter_t *	filter_chain_AppendInner (filter_chain_t *chain, const char *name, const char *capability, const config_chain_t *cfg, const es_format_t *fmt_out)
filter_t *	filter_chain_AppendFilter (filter_chain_t *chain, const char *name, const config_chain_t *cfg, const es_format_t *fmt_out)
	Append a filter to the chain.
int	filter_chain_AppendConverter (filter_chain_t *chain, const es_format_t *fmt_out)
	Append a conversion to the chain.
void	filter_chain_DeleteFilter (filter_chain_t *chain, filter_t *filter)
	Delete filter from filter chain.
int	filter_chain_AppendFromString (filter_chain_t *chain, const char *str)
	Append new filter to filter chain from string.
int	filter_chain_ForEach (filter_chain_t *chain, int(*cb)(filter_t *, void *), void *opaque)
bool	filter_chain_IsEmpty (const filter_chain_t *chain)
	Checks if the filter chain is empty.
bool	filter_chain_HasMouseFilter (const filter_chain_t *chain)
	Checks whether the filter chain contains any video filters listening to mouse events.
const es_format_t *	filter_chain_GetFmtOut (const filter_chain_t *p_chain)
	Get last output format of the last element in the filter chain.
vlc_video_context *	filter_chain_GetVideoCtxOut (const filter_chain_t *p_chain)
	Get last output video context of the last element in the filter chain.
static picture_t *	FilterSingleChainedFilter (chained_filter_t *f, picture_t *p_pic)
picture_t *	filter_chain_VideoFilter (filter_chain_t *p_chain, picture_t *p_pic)
	Apply the filter chain to a video picture.
void	filter_chain_VideoFlush (filter_chain_t *p_chain)
	Flush a video filter chain.
int	filter_chain_MouseFilter (filter_chain_t *p_chain, vlc_mouse_t *p_dst, const vlc_mouse_t *p_src)

Variables
static const struct filter_video_callbacks	filter_chain_video_cbs

Typedef Documentation

chained_filter_t

typedef struct chained_filter_t chained_filter_t

Function Documentation

filter_chain_AppendInner()

static filter_t * filter_chain_AppendInner ( filter_chain_t *  chain, const char *  name, const char *  capability, const config_chain_t *  cfg, const es_format_t *  fmt_out  )

static

References asprintf(), filter_t::b_allow_fmt_out_change, filter_chain_t::b_allow_fmt_out_change, es_format_Clean(), es_format_Copy(), chained_filter_t::filter, filter_chain_video_cbs, filter_chain_t::filter_list, filter_t::fmt_in, filter_chain_t::fmt_in, filter_t::fmt_out, filter_chain_t::fmt_out, es_format_t::i_cat, module_GetShortName, chained_filter_t::mouse, msg_Dbg, msg_Err, name, chained_filter_t::node, filter_t::obj, filter_chain_t::obj, filter_t::owner, filter_t::p_cfg, filter_t::p_module, chained_filter_t::pending, filter_t::psz_name, filter_owner_t::sub, filter_owner_t::sys, unlikely, filter_t::vctx_in, filter_chain_t::vctx_in, filter_t::vctx_out, filter_owner_t::video, VIDEO_ES, vlc_custom_create, vlc_filter_LoadModule(), vlc_list_append(), vlc_list_last_entry_or_null, vlc_mouse_Init(), vlc_object_delete, vlc_objres_clear(), and vlc_picture_chain_Init().

Referenced by filter_chain_AppendConverter(), and filter_chain_AppendFilter().

filter_chain_HoldDecoderDevice()

static vlc_decoder_device * filter_chain_HoldDecoderDevice ( vlc_object_t *  o, void *  sys  )

static

References filter_video_callbacks::hold_device, filter_chain_t::parent_video_owner, filter_owner_t::sys, and filter_owner_t::video.

filter_chain_MouseFilter()

int filter_chain_MouseFilter	(	filter_chain_t *	p_chain,
		vlc_mouse_t *	p_dst,
		const vlc_mouse_t *	p_src
	)

References current, chained_filter_t::filter, filter_chain_t::filter_list, chained_filter_t::mouse, filter_t::ops, vlc_filter_operations::video_mouse, VLC_EGENERIC, vlc_list_reverse_foreach, and VLC_SUCCESS.

Referenced by vout_FilterMouse().

filter_chain_NewInner()

static filter_chain_t * filter_chain_NewInner ( vlc_object_t *  obj, const char *  cap, const char *  conv_cap, bool  fmt_out_change, enum es_format_category_e  cat  )

static

References filter_chain_t::b_allow_fmt_out_change, filter_chain_t::conv_cap, es_format_Init(), filter_chain_t::filter_cap, filter_chain_t::filter_list, filter_chain_t::fmt_in, filter_chain_t::fmt_out, filter_chain_t::obj, unlikely, filter_chain_t::vctx_in, and vlc_list_init().

Referenced by filter_chain_NewSPU(), and filter_chain_NewVideo().

filter_chain_NewVideo()

filter_chain_t * filter_chain_NewVideo	(	vlc_object_t *	obj,
		bool	allow_change,
		const filter_owner_t *restrict	owner
	)

References filter_chain_NewInner(), filter_chain_t::parent_video_owner, unlikely, and VIDEO_ES.

filter_chain_VideoBufferNew()

static picture_t * filter_chain_VideoBufferNew ( filter_t *  filter )

static

Chained filter picture allocator function.

References container_of, filter_chain_t::filter_list, filter_NewPicture(), msg_Err, chained_filter_t::node, filter_t::owner, filter_chain_t::parent_video_owner, filter_owner_t::sys, and vlc_list_is_last().

FilterDeletePictures()

static void FilterDeletePictures ( vlc_picture_chain_t *  pictures )

static

Local prototypes.

References vlc_list_it::next, picture_Release(), vlc_picture_chain_IsEmpty(), and vlc_picture_chain_PopFront().

Referenced by filter_chain_DeleteFilter(), filter_chain_VideoFlush(), and FilterSingleChainedFilter().

FilterSingleChainedFilter()

static picture_t * FilterSingleChainedFilter ( chained_filter_t *  f, picture_t *  p_pic  )

static

References chained_filter_t::filter, vlc_filter_operations::filter_video, FilterDeletePictures(), msg_Warn, filter_t::ops, chained_filter_t::pending, picture_GetAndResetChain(), and vlc_picture_chain_IsEmpty().

Referenced by filter_chain_VideoFilter().

Variable Documentation

filter_chain_video_cbs

const struct filter_video_callbacks filter_chain_video_cbs

static

Initial value:

=
{
    filter_chain_VideoBufferNew, filter_chain_HoldDecoderDevice,
}

Referenced by filter_chain_AppendInner().