vout_subpictures.c File Reference

Include dependency graph for vout_subpictures.c:

Data Structures
struct	spu_render_entry_t
struct	spu_render_vector
struct	spu_channel
struct	spu_channel_vector
struct	spu_prerender_vector
struct	subtitle_position_cache
struct	subtitles_positions_vector
struct	spu_private_t
struct	spu_scale_t
struct	spu_area_t
	A few area functions helpers. More...
struct	sub_source

Macros
#define	SPU_CHROMALIST_COUNT   10
#define	SCALE_UNIT   (10000)
	A few scale functions helpers.

Typedefs
typedef struct spu_private_t	spu_private_t

Functions
static void	spu_PrerenderCancel (spu_private_t *, const subpicture_t *)
static void	spu_channel_Init (struct spu_channel *channel, size_t id, enum vlc_vout_order order, vlc_clock_t *clock)
static int	spu_channel_Push (struct spu_channel *channel, subpicture_t *subpic, vlc_tick_t orgstart, vlc_tick_t orgstop)
static void	spu_Channel_CleanEntry (spu_private_t *sys, spu_render_entry_t *entry)
static void	spu_channel_Clean (spu_private_t *sys, struct spu_channel *channel)
static bool	spu_HasAlreadyExpired (vlc_tick_t start, vlc_tick_t stop, vlc_tick_t system_now)
static void	spu_channel_EarlyRemoveLate (spu_private_t *sys, struct spu_channel *channel, vlc_tick_t system_now)
static struct spu_channel *	spu_GetChannel (spu_t *spu, size_t channel_id, size_t *index)
static ssize_t	spu_GetFreeChannelId (spu_t *spu, enum vlc_vout_order *order)
static int	spu_get_attachments (filter_t *filter, input_attachment_t ***attachment_ptr, int *attachment_count)
static filter_t *	SpuRenderCreateAndLoadText (spu_t *spu)
static filter_t *	SpuRenderCreateAndLoadScale (vlc_object_t *object, vlc_fourcc_t src_chroma, vlc_fourcc_t dst_chroma, bool require_resize)
static void	region_FixFmt (subpicture_region_t *region)
static subpicture_region_t *	SpuRenderText (spu_t *spu, const subpicture_region_t *region, unsigned output_width, unsigned output_height, const vlc_fourcc_t *chroma_list)
static spu_scale_t	spu_scale_create (unsigned w, unsigned h)
static spu_scale_t	spu_scale_unit (void)
static spu_scale_t	spu_scale_createq (uint64_t wn, uint64_t wd, uint64_t hn, uint64_t hd)
static int	spu_scale_w (int v, const spu_scale_t s)
static int	spu_scale_h (int v, const spu_scale_t s)
static int	spu_invscale_w (int v, const spu_scale_t s)
static int	spu_invscale_h (int v, const spu_scale_t s)
static spu_area_t	spu_area_create (int x, int y, int w, int h, spu_scale_t s)
static spu_area_t	spu_area_scaled (spu_area_t a)
static spu_area_t	spu_area_unscaled (spu_area_t a, spu_scale_t s)
static bool	spu_area_overlap (spu_area_t a, spu_area_t b)
static void	SpuAreaFixOverlap (spu_area_t *dst, const spu_area_t *sub_array, size_t sub_count, int align)
	Avoid area overlapping.
static void	SpuAreaMoveInside (spu_area_t *area, const unsigned boundary_width, const unsigned boundary_height)
static void	subtitles_positions_StartUpdate (subtitles_positions_vector *subs)
static void	subtitles_positions_FinishUpdate (subtitles_positions_vector *subs)
static struct subtitle_position_cache *	subtitles_positions_FindRelativeRegion (const subtitles_positions_vector *subs, const subpicture_region_t *region)
static void	subtitles_positions_AddRelativeRegion (subtitles_positions_vector *subs, const subpicture_region_t *region, const spu_area_t *area, struct subtitle_position_cache *write)
static void	SpuRegionPlace (int *x, int *y, const subpicture_t *subpic, const subpicture_region_t *region, int i_align)
	Place a region.
static int	IntegerCmp (int64_t i0, int64_t i1)
	This function compares two 64 bits integers.
static int	SSizeCmp (ssize_t i0, ssize_t i1)
static int	SpuRenderCmp (const void *s0, const void *s1)
	This function compares 2 subpictures using the following properties (ordered by priority).
static size_t	spu_channel_UpdateDates (struct spu_channel *channel, vlc_tick_t system_now)
static bool	spu_render_entry_IsSelected (spu_render_entry_t *render_entry, size_t channel_id, vlc_tick_t render_date, bool ignore_osd)
static spu_render_entry_t *	spu_SelectSubpictures (spu_t *spu, vlc_tick_t system_now, vlc_tick_t render_subtitle_date, bool ignore_osd, size_t *subpicture_count)
static struct subpicture_region_rendered *	SpuRenderRegion (spu_t *spu, spu_area_t *dst_area, subpicture_t *subpic, enum vlc_vout_order channel_order, subpicture_region_t *region, const spu_scale_t scale_size, bool apply_scale, const vlc_fourcc_t *chroma_list, const unsigned output_x, const unsigned output_y, const unsigned output_width, const unsigned output_height, const spu_area_t *subtitle_area, size_t subtitle_area_count, vlc_tick_t render_date)
	It will transform the provided region into another region suitable for rendering.
static void	spu_UpdateOriginalSize (spu_t *spu, subpicture_t *subpic, const video_format_t *fmtsrc)
static vlc_render_subpicture *	SpuRenderSubpictures (spu_t *spu, size_t i_subpicture, const spu_render_entry_t *p_entries, const vlc_fourcc_t *chroma_list, const video_format_t *fmt_dst, const video_format_t *fmt_src, bool spu_in_full_window, const vout_display_place_t *video_position, vlc_tick_t system_now, vlc_tick_t render_subtitle_date, bool external_scale)
	This function renders all sub picture units in the list.
static void	SetHighlights (spu_t *spu, const vlc_spu_highlight_t *hl)
static subpicture_t *	sub_new_buffer (filter_t *filter)
static int	SubSourceInit (filter_t *filter, void *data)
static int	SubSourceClean (filter_t *filter, void *data)
static int	RestartSubFilterCallback (vlc_object_t *obj, char const *psz_var, vlc_value_t oldval, vlc_value_t newval, void *p_data)
static int	SubFilterAddProxyCallbacks (filter_t *filter, void *opaque)
static int	SubFilterDelProxyCallbacks (filter_t *filter, void *opaque)
static int	RestartSubSourceCallback (vlc_object_t *obj, char const *psz_var, vlc_value_t oldval, vlc_value_t newval, void *p_data)
static int	SubSourceAddProxyCallbacks (filter_t *filter, void *opaque)
static int	SubSourceDelProxyCallbacks (filter_t *filter, void *opaque)
static void	spu_PrerenderWake (spu_private_t *sys, const video_format_t *fmt_dst, const video_format_t *fmt_src, bool spu_in_full_window, const vout_display_place_t *video_position, const vlc_fourcc_t *chroma_list)
static void	spu_PrerenderEnqueue (spu_private_t *sys, subpicture_t *p_subpic)
static void	spu_PrerenderPause (spu_private_t *sys)
static void	spu_PrerenderSync (spu_private_t *sys, const subpicture_t *p_subpic)
static void	spu_PrerenderText (spu_t *spu, subpicture_t *p_subpic, const vlc_fourcc_t *chroma_list)
static void *	spu_PrerenderThread (void *priv)
static void	spu_Cleanup (spu_t *spu)
void	spu_Destroy (spu_t *spu)
	Destroy the subpicture unit.
spu_t *	spu_Create (vlc_object_t *object, vout_thread_t *vout)
	Creates the subpicture unit.
void	spu_Attach (spu_t *spu, input_thread_t *input)
	Attach the SPU to an input.
void	spu_Detach (spu_t *spu)
	Detach the SPU from its attached input.
void	spu_SetClockDelay (spu_t *spu, size_t channel_id, vlc_tick_t delay)
void	spu_SetClockRate (spu_t *spu, size_t channel_id, float rate)
static int	SubFilter (filter_t *p_filter, void *opaque)
void	spu_PutSubpicture (spu_t *spu, subpicture_t *subpic)
	Display a subpicture.
static int	SubSourceGenerate (filter_t *p_filter, void *opaque)
	Generate subpictures from a chain of subpicture source "filters".
vlc_render_subpicture *	spu_Render (spu_t *spu, const vlc_fourcc_t *chroma_list, const video_format_t *fmt_dst, const video_format_t *fmt_src, bool spu_in_full_window, const vout_display_place_t *video_position, vlc_tick_t system_now, vlc_tick_t render_subtitle_date, bool ignore_osd)
ssize_t	spu_RegisterChannelInternal (spu_t *spu, vlc_clock_t *clock, enum vlc_vout_order *order)
ssize_t	spu_RegisterChannel (spu_t *spu)
	It registers a new SPU channel.
void	spu_ClearChannel (spu_t *spu, size_t channel_id)
	It clears all subpictures associated to a SPU channel.
void	spu_UnregisterChannel (spu_t *spu, size_t channel_id)
void	spu_ChangeSources (spu_t *spu, const char *filters)
	It changes the sub sources list.
void	spu_ChangeFilters (spu_t *spu, const char *filters)
	It changes the sub filters list.
void	spu_ChangeChannelOrderMargin (spu_t *spu, enum vlc_vout_order order, int margin)
void	spu_SetHighlight (spu_t *spu, const vlc_spu_highlight_t *hl)

Variables
static const struct filter_subpicture_callbacks	sub_cbs

Macro Definition Documentation

SCALE_UNIT

#define SCALE_UNIT   (10000)

A few scale functions helpers.

Referenced by spu_area_scaled(), spu_invscale_h(), spu_invscale_w(), spu_scale_create(), spu_scale_createq(), spu_scale_h(), spu_scale_unit(), spu_scale_w(), and SpuRenderRegion().

SPU_CHROMALIST_COUNT

#define SPU_CHROMALIST_COUNT   10

Referenced by spu_Create(), spu_PrerenderThread(), spu_PrerenderWake(), and spu_Render().

Typedef Documentation

spu_private_t

typedef struct spu_private_t spu_private_t

Function Documentation

IntegerCmp()

int IntegerCmp ( int64_t i0, int64_t i1 )

static

This function compares two 64 bits integers.

It can be used by qsort.

Referenced by SpuRenderCmp().

region_FixFmt()

void region_FixFmt ( subpicture_region_t * region )

static

References COLOR_PRIMARIES_SRGB, COLOR_PRIMARIES_UNDEF, video_format_t::color_range, COLOR_RANGE_FULL, COLOR_RANGE_UNDEF, COLOR_SPACE_SRGB, COLOR_SPACE_UNDEF, subpicture_region_t::fmt, picture_t::format, subpicture_region_t::p_picture, video_format_t::primaries, video_format_t::space, video_format_t::transfer, TRANSFER_FUNC_SRGB, and TRANSFER_FUNC_UNDEF.

Referenced by SpuRenderSubpictures().

RestartSubFilterCallback()

int RestartSubFilterCallback ( vlc_object_t * obj, char const * psz_var, vlc_value_t oldval, vlc_value_t newval, void * p_data )

static

References VLC_SUCCESS, VLC_UNUSED, and vout_ControlChangeSubFilters().

Referenced by SubFilterAddProxyCallbacks(), and SubFilterDelProxyCallbacks().

RestartSubSourceCallback()

int RestartSubSourceCallback ( vlc_object_t * obj, char const * psz_var, vlc_value_t oldval, vlc_value_t newval, void * p_data )

static

References VLC_SUCCESS, VLC_UNUSED, and vout_ControlChangeSubSources().

Referenced by SubSourceAddProxyCallbacks(), and SubSourceDelProxyCallbacks().

SetHighlights()

void SetHighlights ( spu_t * spu, const vlc_spu_highlight_t * hl )

static

References container_of, spu_private_t::crop, spu_private_t::crop_highlight, spu_private_t::height, video_palette_t::i_entries, spu_private_t::lock, msg_Dbg, spu_private_t::palette, vlc_spu_highlight_t::palette, vlc_mutex_assert, spu_private_t::width, spu_private_t::x, vlc_spu_highlight_t::x_end, vlc_spu_highlight_t::x_start, spu_private_t::y, vlc_spu_highlight_t::y_end, and vlc_spu_highlight_t::y_start.

Referenced by spu_Attach(), and spu_SetHighlight().

spu_area_create()

spu_area_t spu_area_create ( int x, int y, int w, int h, spu_scale_t s )

static

Referenced by SpuRenderRegion().

spu_area_overlap()

bool spu_area_overlap ( spu_area_t a, spu_area_t b )

static

References spu_area_t::height, spu_area_scaled(), spu_area_t::width, spu_area_t::x, and spu_area_t::y.

Referenced by SpuAreaFixOverlap().

spu_area_scaled()

spu_area_t spu_area_scaled ( spu_area_t a )

static

References spu_scale_t::h, spu_area_t::height, spu_area_t::scale, SCALE_UNIT, spu_scale_h(), spu_scale_unit(), spu_scale_w(), spu_scale_t::w, spu_area_t::width, spu_area_t::x, and spu_area_t::y.

Referenced by spu_area_overlap(), spu_area_unscaled(), SpuAreaFixOverlap(), and SpuAreaMoveInside().

spu_area_unscaled()

spu_area_t spu_area_unscaled ( spu_area_t a, spu_scale_t s )

static

References spu_scale_t::h, spu_area_t::height, spu_area_t::scale, spu_area_scaled(), spu_invscale_h(), spu_invscale_w(), spu_scale_t::w, spu_area_t::width, spu_area_t::x, and spu_area_t::y.

Referenced by SpuAreaFixOverlap(), SpuAreaMoveInside(), and SpuRenderSubpictures().

spu_Attach()

void spu_Attach	(	spu_t *	spu,
		input_thread_t *	input )

Attach the SPU to an input.

References container_of, spu_private_t::input, spu_private_t::lock, SetHighlights(), SpuRenderCreateAndLoadText(), spu_private_t::text, spu_private_t::textlock, vlc_filter_Delete(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_Request().

spu_ChangeChannelOrderMargin()

void spu_ChangeChannelOrderMargin	(	spu_t *	spu,
		enum vlc_vout_order	order,
		int	margin )

References container_of, spu_private_t::lock, spu_private_t::margin, spu_private_t::secondary_margin, vlc_assert_unreachable, vlc_mutex_lock(), vlc_mutex_unlock(), VLC_VOUT_ORDER_PRIMARY, and VLC_VOUT_ORDER_SECONDARY.

Referenced by vout_ChangeSpuChannelMargin().

spu_channel_Clean()

void spu_channel_Clean ( spu_private_t * sys, struct spu_channel * channel )

static

References spu_channel::entries, spu_Channel_CleanEntry(), vlc_vector_clear, and vlc_vector_foreach_ref.

Referenced by spu_Cleanup(), spu_ClearChannel(), and spu_UnregisterChannel().

spu_Channel_CleanEntry()

void spu_Channel_CleanEntry ( spu_private_t * sys, spu_render_entry_t * entry )

static

References spu_PrerenderCancel(), and subpicture_Delete().

Referenced by spu_channel_Clean(), spu_channel_EarlyRemoveLate(), and spu_SelectSubpictures().

spu_channel_EarlyRemoveLate()

void spu_channel_EarlyRemoveLate ( spu_private_t * sys, struct spu_channel * channel, vlc_tick_t system_now )

static

References spu_render_vector::data, spu_channel::entries, subpicture_t::i_order, spu_render_vector::size, spu_Channel_CleanEntry(), spu_HasAlreadyExpired(), spu_render_entry_t::start, spu_render_entry_t::subpic, and vlc_vector_remove.

Referenced by spu_PutSubpicture().

spu_channel_Init()

void spu_channel_Init ( struct spu_channel * channel, size_t id, enum vlc_vout_order order, vlc_clock_t * clock )

static

References spu_channel::clock, spu_channel::delay, spu_channel::entries, spu_channel::id, spu_channel::order, spu_channel::rate, and vlc_vector_init.

Referenced by spu_Create(), and spu_RegisterChannelInternal().

spu_channel_Push()

int spu_channel_Push ( struct spu_channel * channel, subpicture_t * subpic, vlc_tick_t orgstart, vlc_tick_t orgstop )

static

References spu_channel::entries, subpicture_t::i_start, subpicture_t::i_stop, VLC_EGENERIC, VLC_SUCCESS, and vlc_vector_push.

Referenced by spu_PutSubpicture().

spu_channel_UpdateDates()

size_t spu_channel_UpdateDates ( struct spu_channel * channel, vlc_tick_t system_now )

static

References spu_channel::clock, spu_channel::entries, spu_channel::rate, spu_render_vector::size, vlc_clock_ConvertToSystem(), vlc_clock_Lock(), vlc_clock_Unlock(), VLC_TICK_INVALID, and vlc_vector_foreach_ref.

Referenced by spu_SelectSubpictures().

spu_Cleanup()

void spu_Cleanup ( spu_t * spu )

static

References spu_private_t::channels, container_of, spu_channel_vector::data, spu_private_t::filter_chain, spu_private_t::filter_chain_current, filter_chain_Delete(), filter_chain_ForEach(), spu_private_t::filter_chain_update, spu_private_t::fmtdst, spu_private_t::fmtsrc, spu_private_t::prerender, spu_private_t::scale, spu_private_t::scale_yuvp, spu_channel_vector::size, spu_private_t::source_chain, spu_private_t::source_chain_current, spu_private_t::source_chain_update, spu_channel_Clean(), SubFilterDelProxyCallbacks(), spu_private_t::subs_pos, SubSourceClean(), SubSourceDelProxyCallbacks(), spu_private_t::text, spu_private_t::vector, video_format_Clean(), vlc_filter_Delete(), vlc_vector_clear, vlc_vector_destroy, and spu_private_t::vout.

Referenced by spu_Create(), and spu_Destroy().

spu_Detach()

void spu_Detach

(

spu_t *

spu

)

Detach the SPU from its attached input.

References container_of, spu_private_t::input, spu_private_t::lock, spu_PrerenderPause(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_ReleaseDisplay().

spu_get_attachments()

int spu_get_attachments ( filter_t * filter, input_attachment_t *** attachment_ptr, int * attachment_count )

static

References container_of, count, spu_private_t::input, input_GetAttachments(), filter_t::owner, filter_owner_t::sys, VLC_EGENERIC, and VLC_SUCCESS.

Referenced by SpuRenderCreateAndLoadText().

spu_GetChannel()

struct spu_channel * spu_GetChannel ( spu_t * spu, size_t channel_id, size_t * index )

static

References spu_private_t::channels, container_of, spu_channel_vector::data, spu_channel::id, spu_channel_vector::size, and vlc_assert_unreachable.

Referenced by spu_ClearChannel(), spu_PutSubpicture(), spu_SetClockDelay(), spu_SetClockRate(), and spu_UnregisterChannel().

spu_GetFreeChannelId()

ssize_t spu_GetFreeChannelId ( spu_t * spu, enum vlc_vout_order * order )

static

References spu_private_t::channels, container_of, spu_channel_vector::data, spu_channel::id, spu_channel_vector::size, unlikely, VLC_VOUT_ORDER_PRIMARY, VLC_VOUT_ORDER_SECONDARY, VOUT_SPU_CHANNEL_INVALID, and VOUT_SPU_CHANNEL_OSD_COUNT.

Referenced by spu_RegisterChannelInternal().

spu_HasAlreadyExpired()

bool spu_HasAlreadyExpired ( vlc_tick_t start, vlc_tick_t stop, vlc_tick_t system_now )

static

Referenced by spu_channel_EarlyRemoveLate(), and spu_PutSubpicture().

spu_invscale_h()

int spu_invscale_h ( int v, const spu_scale_t s )

static

References spu_scale_t::h, and SCALE_UNIT.

Referenced by spu_area_unscaled(), and SpuRenderRegion().

spu_invscale_w()

int spu_invscale_w ( int v, const spu_scale_t s )

static

References SCALE_UNIT, and spu_scale_t::w.

Referenced by spu_area_unscaled(), and SpuRenderRegion().

spu_PrerenderCancel()

void spu_PrerenderCancel ( spu_private_t * sys, const subpicture_t * p_subpic )

static

References spu_private_t::lock, spu_private_t::output_cond, spu_private_t::p_processed, spu_private_t::prerender, spu_private_t::vector, vlc_cond_wait(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_vector_index_of, and vlc_vector_remove.

Referenced by spu_Channel_CleanEntry().

spu_PrerenderEnqueue()

void spu_PrerenderEnqueue ( spu_private_t * sys, subpicture_t * p_subpic )

static

References spu_private_t::cond, spu_private_t::lock, spu_private_t::prerender, spu_private_t::vector, vlc_cond_signal(), vlc_mutex_lock(), vlc_mutex_unlock(), and vlc_vector_push.

Referenced by spu_PutSubpicture().

spu_PrerenderPause()

void spu_PrerenderPause ( spu_private_t * sys )

static

References spu_private_t::chroma_list, spu_private_t::lock, spu_private_t::output_cond, spu_private_t::p_processed, spu_private_t::prerender, vlc_cond_wait(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by spu_Detach().

spu_PrerenderSync()

void spu_PrerenderSync ( spu_private_t * sys, const subpicture_t * p_subpic )

static

References spu_private_t::lock, spu_private_t::output_cond, spu_private_t::p_processed, spu_private_t::prerender, spu_private_t::vector, vlc_cond_wait(), vlc_mutex_lock(), vlc_mutex_unlock(), and vlc_vector_index_of.

Referenced by spu_Render().

spu_PrerenderText()

void spu_PrerenderText ( spu_t * spu, subpicture_t * p_subpic, const vlc_fourcc_t * chroma_list )

static

References subpicture_t::i_original_picture_height, subpicture_t::i_original_picture_width, subpicture_region_t::node, subpicture_t::regions, SpuRenderText(), subpicture_region_Delete(), subpicture_region_IsText, vlc_list_replace(), vlc_spu_regions_foreach, and vlc_spu_regions_remove.

Referenced by spu_PrerenderThread().

spu_PrerenderThread()

void * spu_PrerenderThread ( void * priv )

static

References subpicture_t::b_subtitle, spu_private_t::chroma_list, spu_private_t::cond, container_of, spu_prerender_vector::data, spu_private_t::fmtdst, spu_private_t::fmtsrc, vout_display_place_t::height, video_format_t::i_height, video_format_t::i_sar_den, video_format_t::i_sar_num, subpicture_t::i_start, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, spu_private_t::live, spu_private_t::lock, spu_private_t::output_cond, spu_private_t::p_processed, spu_private_t::prerender, spu_prerender_vector::size, SPU_CHROMALIST_COUNT, spu_private_t::spu_in_full_window, spu_PrerenderText(), spu_UpdateOriginalSize(), subpicture_Update(), spu_private_t::vector, spu_private_t::video_position, vlc_cond_signal(), vlc_cond_wait(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_thread_set_name(), vlc_tick_now(), vlc_vector_remove, and vout_display_place_t::width.

Referenced by spu_Create().

spu_PrerenderWake()

void spu_PrerenderWake ( spu_private_t * sys, const video_format_t * fmt_dst, const video_format_t * fmt_src, bool spu_in_full_window, const vout_display_place_t * video_position, const vlc_fourcc_t * chroma_list )

static

References spu_private_t::chroma_list, spu_private_t::cond, spu_private_t::fmtdst, spu_private_t::fmtsrc, spu_private_t::lock, spu_private_t::prerender, SPU_CHROMALIST_COUNT, spu_private_t::spu_in_full_window, video_format_Clean(), video_format_Copy(), video_format_IsSimilar(), spu_private_t::video_position, vlc_cond_signal(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by spu_Render().

spu_RegisterChannelInternal()

ssize_t spu_RegisterChannelInternal	(	spu_t *	spu,
		vlc_clock_t *	clock,
		enum vlc_vout_order *	order )

References spu_private_t::channels, container_of, spu_private_t::lock, spu_channel_Init(), spu_GetFreeChannelId(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_vector_push, VLC_VOUT_ORDER_PRIMARY, and VOUT_SPU_CHANNEL_INVALID.

Referenced by spu_RegisterChannel(), and vout_RegisterSubpictureChannelInternal().

spu_Render()

vlc_render_subpicture * spu_Render	(	spu_t *	spu,
		const vlc_fourcc_t *	chroma_list,
		const video_format_t *	fmt_dst,
		const video_format_t *	fmt_src,
		bool	spu_in_full_window,
		const vout_display_place_t *	video_position,
		vlc_tick_t	system_now,
		vlc_tick_t	render_subtitle_date,
		bool	ignore_osd )

References ARRAY_SIZE, subpicture_t::b_subtitle, container_of, filter_chain_AppendFromString(), filter_chain_Clear(), filter_chain_ForEach(), vout_display_place_t::height, video_format_t::i_chroma, video_format_t::i_height, video_format_t::i_sar_den, video_format_t::i_sar_num, subpicture_t::i_start, subpicture_t::i_stop, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, spu_private_t::lock, spu_private_t::source_chain, spu_private_t::source_chain_update, SPU_CHROMALIST_COUNT, spu_PrerenderSync(), spu_PrerenderWake(), spu_SelectSubpictures(), SpuRenderCmp(), SpuRenderSubpictures(), subpicture_Update(), SubSourceAddProxyCallbacks(), SubSourceClean(), SubSourceDelProxyCallbacks(), SubSourceGenerate(), SubSourceInit(), VLC_CODEC_ABGR, VLC_CODEC_ARGB, VLC_CODEC_BGRA, VLC_CODEC_RGBA, VLC_CODEC_YUVA, VLC_CODEC_YUVP, vlc_fourcc_IsYUV(), vlc_mutex_lock(), vlc_mutex_unlock(), spu_private_t::vout, vout_display_place_t::width, vout_display_place_t::x, and vout_display_place_t::y.

Referenced by RenderSPUs().

spu_render_entry_IsSelected()

bool spu_render_entry_IsSelected ( spu_render_entry_t * render_entry, size_t channel_id, vlc_tick_t render_date, bool ignore_osd )

static

References subpicture_t::i_channel, spu_render_entry_t::start, spu_render_entry_t::subpic, VLC_TICK_INVALID, and VOUT_SPU_CHANNEL_OSD_COUNT.

Referenced by spu_SelectSubpictures().

spu_scale_create()

spu_scale_t spu_scale_create ( unsigned w, unsigned h )

static

References spu_scale_t::h, SCALE_UNIT, and spu_scale_t::w.

Referenced by spu_scale_createq(), and spu_scale_unit().

spu_scale_createq()

spu_scale_t spu_scale_createq ( uint64_t wn, uint64_t wd, uint64_t hn, uint64_t hd )

static

References SCALE_UNIT, and spu_scale_create().

Referenced by SpuRenderSubpictures().

spu_scale_h()

int spu_scale_h ( int v, const spu_scale_t s )

static

References spu_scale_t::h, and SCALE_UNIT.

Referenced by spu_area_scaled(), and SpuRenderRegion().

spu_scale_unit()

spu_scale_t spu_scale_unit ( void )

static

References SCALE_UNIT, and spu_scale_create().

Referenced by spu_area_scaled(), and SpuRenderRegion().

spu_scale_w()

int spu_scale_w ( int v, const spu_scale_t s )

static

References SCALE_UNIT, and spu_scale_t::w.

Referenced by spu_area_scaled(), and SpuRenderRegion().

spu_SelectSubpictures()

spu_render_entry_t * spu_SelectSubpictures ( spu_t * spu, vlc_tick_t system_now, vlc_tick_t render_subtitle_date, bool ignore_osd, size_t * subpicture_count )

static

References spu_render_entry_t::channel_order, spu_private_t::channels, container_of, current, spu_channel_vector::data, spu_render_vector::data, spu_channel::entries, spu_channel::id, spu_render_entry_t::is_late, spu_private_t::last_sort_date, spu_channel::order, spu_render_entry_t::orgstart, spu_render_entry_t::orgstop, spu_channel_vector::size, spu_render_vector::size, spu_Channel_CleanEntry(), spu_channel_UpdateDates(), spu_render_entry_IsSelected(), spu_render_entry_t::start, spu_render_entry_t::stop, spu_render_entry_t::subpic, vlc_alloc(), VLC_TICK_INVALID, VLC_TICK_MAX, vlc_vector_foreach_ref, vlc_vector_remove, and VOUT_SPU_CHANNEL_OSD_COUNT.

Referenced by spu_Render().

spu_SetClockDelay()

void spu_SetClockDelay	(	spu_t *	spu,
		size_t	channel_id,
		vlc_tick_t	delay )

References spu_channel::clock, container_of, spu_channel::delay, spu_private_t::lock, spu_GetChannel(), vlc_clock_Lock(), vlc_clock_SetDelay(), vlc_clock_Unlock(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_ChangeSpuDelay().

spu_SetClockRate()

void spu_SetClockRate	(	spu_t *	spu,
		size_t	channel_id,
		float	rate )

References spu_channel::clock, container_of, spu_private_t::lock, spu_channel::rate, spu_GetChannel(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_ChangeSpuRate().

spu_SetHighlight()

void spu_SetHighlight	(	spu_t *	spu,
		const vlc_spu_highlight_t *	hl )

References container_of, spu_private_t::lock, SetHighlights(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_SetSpuHighlight().

spu_UpdateOriginalSize()

void spu_UpdateOriginalSize ( spu_t * spu, subpicture_t * subpic, const video_format_t * fmtsrc )

static

References subpicture_t::i_original_picture_height, subpicture_t::i_original_picture_width, video_format_t::i_visible_height, video_format_t::i_visible_width, and msg_Dbg.

Referenced by spu_PrerenderThread(), and SpuRenderSubpictures().

SpuAreaFixOverlap()

void SpuAreaFixOverlap ( spu_area_t * dst, const spu_area_t * sub_array, size_t sub_count, int align )

static

Avoid area overlapping.

References spu_area_t::height, spu_area_t::scale, spu_area_overlap(), spu_area_scaled(), spu_area_unscaled(), SUBPICTURE_ALIGN_BOTTOM, SUBPICTURE_ALIGN_TOP, and spu_area_t::y.

Referenced by SpuRenderRegion().

SpuAreaMoveInside()

void SpuAreaMoveInside ( spu_area_t * area, const unsigned boundary_width, const unsigned boundary_height )

static

References spu_area_t::height, spu_area_t::scale, spu_area_scaled(), spu_area_unscaled(), spu_area_t::width, spu_area_t::x, and spu_area_t::y.

Referenced by SpuRenderRegion().

SpuRegionPlace()

void SpuRegionPlace ( int * x, int * y, const subpicture_t * subpic, const subpicture_region_t * region, int i_align )

static

Place a region.

References subpicture_region_t::b_absolute, subpicture_region_t::fmt, subpicture_t::i_original_picture_height, subpicture_t::i_original_picture_width, video_format_t::i_visible_height, video_format_t::i_visible_width, subpicture_region_t::i_x, subpicture_region_t::i_y, SUBPICTURE_ALIGN_BOTTOM, SUBPICTURE_ALIGN_LEFT, SUBPICTURE_ALIGN_RIGHT, and SUBPICTURE_ALIGN_TOP.

Referenced by SpuRenderRegion().

SpuRenderCmp()

int SpuRenderCmp ( const void * s0, const void * s1 )

static

This function compares 2 subpictures using the following properties (ordered by priority).

1. start time (display time)
2. creation order (per channel)

It can be used by qsort.

XXX spu_RenderSubpictures depends heavily on this order.

References subpicture_t::i_channel, subpicture_t::i_order, subpicture_t::i_start, IntegerCmp(), SSizeCmp(), and spu_render_entry_t::subpic.

Referenced by spu_Render().

SpuRenderCreateAndLoadScale()

filter_t * SpuRenderCreateAndLoadScale ( vlc_object_t * object, vlc_fourcc_t src_chroma, vlc_fourcc_t dst_chroma, bool require_resize )

static

References es_format_Init(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_chroma, video_format_t::i_height, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, filter_t::ops, filter_t::p_module, es_format_t::video, VIDEO_ES, vlc_custom_create, vlc_filter_LoadModule(), and vlc_object_delete.

Referenced by spu_Create().

SpuRenderCreateAndLoadText()

filter_t * SpuRenderCreateAndLoadText ( spu_t * spu )

static

References es_format_Init(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_height, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, list, filter_t::ops, filter_t::owner, filter_t::p_module, filter_owner_t::pf_get_attachments, spu_get_attachments(), unlikely, var_InheritString(), es_format_t::video, VIDEO_ES, vlc_custom_create, vlc_filter_LoadModule(), VLC_OBJECT, and vlc_object_delete.

Referenced by spu_Attach(), and spu_Create().

SpuRenderRegion()

struct subpicture_region_rendered * SpuRenderRegion ( spu_t * spu, spu_area_t * dst_area, subpicture_t * subpic, enum vlc_vout_order channel_order, subpicture_region_t * region, const spu_scale_t scale_size, bool apply_scale, const vlc_fourcc_t * chroma_list, const unsigned output_x, const unsigned output_y, const unsigned output_width, const unsigned output_height, const spu_area_t * subtitle_area, size_t subtitle_area_count, vlc_tick_t render_date )

static

It will transform the provided region into another region suitable for rendering.

References subpicture_region_t::b_absolute, subpicture_t::b_fade, subpicture_t::b_subtitle, channel_order, container_of, spu_private_t::crop, spu_private_t::crop_highlight, vlc_filter_operations::filter_video, subpicture_region_t::fmt, filter_t::fmt_in, filter_t::fmt_out, picture_t::format, spu_scale_t::h, spu_private_t::height, vout_display_place_t::height, subpicture_region_t::i_align, subpicture_region_rendered::i_alpha, subpicture_region_t::i_alpha, subpicture_t::i_alpha, video_format_t::i_chroma, es_format_t::i_codec, video_palette_t::i_entries, video_format_t::i_height, subpicture_region_t::i_max_height, subpicture_region_t::i_max_width, subpicture_t::i_start, subpicture_t::i_stop, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, video_format_t::i_x_offset, video_format_t::i_y_offset, spu_private_t::margin, msg_Err, msg_Warn, filter_t::ops, video_format_t::p_palette, subpicture_region_rendered::p_picture, subpicture_region_t::p_picture, spu_private_t::palette, video_palette_t::palette, picture_Clone(), picture_HasChainedPics(), picture_Hold(), picture_Release(), subpicture_region_rendered::place, spu_area_t::scale, spu_private_t::scale, SCALE_UNIT, spu_private_t::scale_yuvp, spu_private_t::secondary_alignment, spu_private_t::secondary_margin, spu_area_create(), spu_invscale_h(), spu_invscale_w(), spu_scale_h(), spu_scale_unit(), spu_scale_w(), SpuAreaFixOverlap(), SpuAreaMoveInside(), SpuRegionPlace(), subpicture_region_cache_Assign(), subpicture_region_cache_GetFormat(), subpicture_region_cache_GetPicture(), subpicture_region_cache_Invalidate(), subpicture_region_cache_IsValid(), subpicture_region_IsText, unlikely, es_format_t::video, VLC_CODEC_YUVP, VLC_SUCCESS, VLC_TICK_INVALID, VLC_VOUT_ORDER_SECONDARY, spu_scale_t::w, spu_private_t::width, vout_display_place_t::width, spu_area_t::x, spu_private_t::x, vout_display_place_t::x, spu_area_t::y, spu_private_t::y, and vout_display_place_t::y.

Referenced by SpuRenderSubpictures().

SpuRenderSubpictures()

vlc_render_subpicture * SpuRenderSubpictures ( spu_t * spu, size_t i_subpicture, const spu_render_entry_t * p_entries, const vlc_fourcc_t * chroma_list, const video_format_t * fmt_dst, const video_format_t * fmt_src, bool spu_in_full_window, const vout_display_place_t * video_position, vlc_tick_t system_now, vlc_tick_t render_subtitle_date, bool external_scale )

static

This function renders all sub picture units in the list.

References ARRAY_SIZE, subpicture_region_t::b_absolute, subpicture_region_t::b_in_window, subpicture_t::b_subtitle, container_of, count, vlc_rational_t::den, subpicture_region_t::fmt, spu_scale_t::h, vout_display_place_t::height, subpicture_region_t::i_align, subpicture_t::i_order, vlc_render_subpicture::i_order, subpicture_t::i_original_picture_height, subpicture_t::i_original_picture_width, video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_visible_height, video_format_t::i_visible_width, subpicture_region_t::i_x, video_format_t::i_x_offset, subpicture_region_t::i_y, video_format_t::i_y_offset, likely, subpicture_region_t::node, vlc_rational_t::num, subpicture_region_rendered::place, region_FixFmt(), subpicture_t::regions, vlc_render_subpicture::regions, spu_area_unscaled(), spu_scale_createq(), spu_UpdateOriginalSize(), SpuRenderRegion(), SpuRenderText(), spu_render_entry_t::subpic, SUBPICTURE_ALIGN_LEFT, SUBPICTURE_ALIGN_TOP, subpicture_region_Delete(), subpicture_region_IsText, spu_private_t::subs_pos, subtitles_positions_AddRelativeRegion(), subtitles_positions_FindRelativeRegion(), subtitles_positions_FinishUpdate(), subtitles_positions_StartUpdate(), unlikely, vlc_list_replace(), vlc_render_subpicture_New(), vlc_spu_regions_foreach, vlc_spu_regions_foreach_const, vlc_spu_regions_is_empty, vlc_ureduce(), vlc_vector_push, spu_scale_t::w, vout_display_place_t::width, spu_area_t::x, subtitle_position_cache::x, vout_display_place_t::x, spu_area_t::y, subtitle_position_cache::y, and vout_display_place_t::y.

Referenced by spu_Render().

SpuRenderText()

subpicture_region_t * SpuRenderText ( spu_t * spu, const subpicture_region_t * region, unsigned output_width, unsigned output_height, const vlc_fourcc_t * chroma_list )

static

References container_of, filter_t::fmt_out, video_format_t::i_height, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, subpicture_region_t::i_x, subpicture_region_t::i_y, filter_t::ops, subpicture_region_t::p_text, vlc_filter_operations::render, subpicture_region_IsText, spu_private_t::text, spu_private_t::textlock, unlikely, es_format_t::video, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by spu_PrerenderText(), and SpuRenderSubpictures().

SSizeCmp()

int SSizeCmp ( ssize_t i0, ssize_t i1 )

static

Referenced by SpuRenderCmp().

sub_new_buffer()

subpicture_t * sub_new_buffer ( filter_t * filter )

static

References subpicture_t::i_channel, filter_t::owner, subpicture_New(), and filter_owner_t::sys.

SubFilter()

int SubFilter ( filter_t * p_filter, void * opaque )

static

References vlc_filter_operations::filter_sub, filter_t::ops, VLC_EINVAL, and VLC_SUCCESS.

Referenced by spu_PutSubpicture().

SubFilterAddProxyCallbacks()

int SubFilterAddProxyCallbacks ( filter_t * filter, void * opaque )

static

References filter_AddProxyCallbacks, RestartSubFilterCallback(), VLC_OBJECT, and VLC_SUCCESS.

Referenced by spu_PutSubpicture().

SubFilterDelProxyCallbacks()

int SubFilterDelProxyCallbacks ( filter_t * filter, void * opaque )

static

References filter_DelProxyCallbacks, RestartSubFilterCallback(), VLC_OBJECT, and VLC_SUCCESS.

Referenced by spu_Cleanup(), and spu_PutSubpicture().

SubSourceAddProxyCallbacks()

int SubSourceAddProxyCallbacks ( filter_t * filter, void * opaque )

static

References filter_AddProxyCallbacks, RestartSubSourceCallback(), and VLC_SUCCESS.

Referenced by spu_Render().

SubSourceClean()

int SubSourceClean ( filter_t * filter, void * data )

static

References filter_t::owner, spu_ClearChannel(), filter_owner_t::sys, and VLC_SUCCESS.

Referenced by spu_Cleanup(), and spu_Render().

SubSourceDelProxyCallbacks()

int SubSourceDelProxyCallbacks ( filter_t * filter, void * opaque )

static

References filter_DelProxyCallbacks, RestartSubSourceCallback(), VLC_OBJECT, and VLC_SUCCESS.

Referenced by spu_Cleanup(), and spu_Render().

SubSourceGenerate()

int SubSourceGenerate ( filter_t * p_filter, void * opaque )

static

Generate subpictures from a chain of subpicture source "filters".

References sub_source::display_date, filter_t::ops, vlc_filter_operations::source_sub, sub_source::spu, spu_PutSubpicture(), and VLC_SUCCESS.

Referenced by spu_Render().

SubSourceInit()

int SubSourceInit ( filter_t * filter, void * data )

static

References filter_t::owner, spu_RegisterChannel(), filter_owner_t::sub, sub_cbs, filter_owner_t::sys, unlikely, VLC_ENOMEM, and VLC_SUCCESS.

Referenced by spu_Render().

subtitles_positions_AddRelativeRegion()

void subtitles_positions_AddRelativeRegion ( subtitles_positions_vector * subs, const subpicture_region_t * region, const spu_area_t * area, struct subtitle_position_cache * write )

static

References subtitles_positions_vector::data, spu_area_t::height, subtitle_position_cache::is_active, subtitle_position_cache::region, subtitles_positions_vector::size, unlikely, vlc_vector_insert_hole, spu_area_t::width, spu_area_t::x, subtitle_position_cache::x, spu_area_t::y, and subtitle_position_cache::y.

Referenced by SpuRenderSubpictures().

subtitles_positions_FindRelativeRegion()

struct subtitle_position_cache * subtitles_positions_FindRelativeRegion ( const subtitles_positions_vector * subs, const subpicture_region_t * region )

static

References subtitle_position_cache::region, and vlc_vector_foreach_ref.

Referenced by SpuRenderSubpictures().

subtitles_positions_FinishUpdate()

void subtitles_positions_FinishUpdate ( subtitles_positions_vector * subs )

static

References subtitles_positions_vector::data, subtitle_position_cache::is_active, subtitles_positions_vector::size, and vlc_vector_remove.

Referenced by SpuRenderSubpictures().

subtitles_positions_StartUpdate()

void subtitles_positions_StartUpdate ( subtitles_positions_vector * subs )

static

References subtitle_position_cache::is_active, and vlc_vector_foreach_ref.

Referenced by SpuRenderSubpictures().

Variable Documentation

sub_cbs

const struct filter_subpicture_callbacks sub_cbs

static

Initial value:

= {
    sub_new_buffer,
}

Referenced by SubSourceInit().