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	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.

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)
static ssize_t	spu_GetFreeChannelId (spu_t *spu, enum vlc_vout_order *order)
static void	FilterRelease (filter_t *filter)
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	SpuAreaFitInside (spu_area_t *area, const spu_area_t *boundary)
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 int	spu_entry_EnsureScaledSize (spu_render_entry_t *render_entry)
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 void	SpuRescaleRegion (spu_t *spu, const subpicture_region_t *region, picture_t **scaled_pic, const spu_scale_t scale_size, bool changed_palette, bool using_palette, const vlc_fourcc_t *chroma_list)
static subpicture_region_t *	SpuRenderRegion (spu_t *spu, spu_area_t *dst_area, const spu_render_entry_t *entry, const subpicture_region_t *region, picture_t **scaled_pic, const spu_scale_t scale_size, const vlc_fourcc_t *chroma_list, const video_format_t *fmt, 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, 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	UpdateSPU (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, 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 video_format_t *fmtsrc, const video_format_t *fmtdst, 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, vlc_tick_t system_now, vlc_tick_t render_subtitle_date, bool ignore_osd, bool external_scale)
	This function will return an unique subpicture containing the OSD and subtitles visible at the requested date.
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.

SPU_CHROMALIST_COUNT

#define SPU_CHROMALIST_COUNT   10

Function Documentation

FilterRelease()

static void FilterRelease ( filter_t *  filter )

static

References filter_Close(), module_unneed, filter_t::p_module, and vlc_object_delete.

Referenced by spu_Attach(), and spu_Cleanup().

IntegerCmp()

static 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()

static 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, video_format_t::primaries, video_format_t::space, video_format_t::transfer, TRANSFER_FUNC_SRGB, and TRANSFER_FUNC_UNDEF.

Referenced by SpuRenderSubpictures().

RestartSubFilterCallback()

static 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()

static 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().

spu_area_create()

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

static

References spu_area_t::x.

Referenced by SpuRenderRegion().

spu_area_overlap()

static 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()

static 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(), SpuAreaFitInside(), and SpuAreaFixOverlap().

spu_area_unscaled()

static 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 SpuAreaFitInside(), SpuAreaFixOverlap(), and SpuRenderSubpictures().

spu_Attach()

void spu_Attach	(	spu_t *	spu,
		input_thread_t *	input
	)

Attach the SPU to an input.

References FilterRelease(), spu_private_t::input, spu_private_t::lock, spu_t::p, SpuRenderCreateAndLoadText(), spu_private_t::text, spu_private_t::textlock, UpdateSPU(), 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 spu_private_t::lock, spu_private_t::margin, spu_t::p, 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()

static 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()

static void spu_Channel_CleanEntry ( spu_private_t *  sys, spu_render_entry_t *  entry  )

static

References picture_Release(), spu_PrerenderCancel(), subpicture_Delete(), vlc_vector_clear, and vlc_vector_foreach.

Referenced by spu_channel_Clean(), and spu_channel_EarlyRemoveLate().

spu_channel_EarlyRemoveLate()

static 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, spu_render_vector::size, spu_Channel_CleanEntry(), spu_HasAlreadyExpired(), and vlc_vector_remove.

Referenced by spu_PutSubpicture().

spu_channel_Init()

static 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()

static 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, VLC_VECTOR_INITIALIZER, and vlc_vector_push.

Referenced by spu_PutSubpicture().

spu_channel_UpdateDates()

static 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_ConvertToSystemLocked(), vlc_clock_Lock(), vlc_clock_Unlock(), VLC_TICK_MAX, and vlc_vector_foreach_ref.

Referenced by spu_SelectSubpictures().

spu_Cleanup()

static void spu_Cleanup ( spu_t *  spu )

static

References spu_private_t::channels, 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, FilterRelease(), spu_private_t::fmtdst, spu_private_t::fmtsrc, spu_t::p, 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(), SubSourceClean(), SubSourceDelProxyCallbacks(), spu_private_t::text, spu_private_t::vector, video_format_Clean(), 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 spu_private_t::input, spu_private_t::lock, spu_t::p, spu_PrerenderPause(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_ReleaseDisplay().

spu_entry_EnsureScaledSize()

static int spu_entry_EnsureScaledSize ( spu_render_entry_t *  render_entry )

static

References subpicture_t::regions, spu_render_entry_t::scaled_region_pics, spu_render_entry_t::size, spu_render_entry_t::subpic, unlikely, VLC_ENOMEM, vlc_spu_regions_foreach_const, VLC_SUCCESS, and vlc_vector_push.

Referenced by spu_Render(), and spu_SelectSubpictures().

spu_get_attachments()

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

static

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

Referenced by SpuRenderCreateAndLoadText().

spu_GetChannel()

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

static

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

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

spu_GetFreeChannelId()

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

static

References spu_private_t::channels, spu_channel_vector::data, spu_channel::id, spu_t::p, 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()

static 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()

static 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()

static 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().

spu_PrerenderCancel()

static 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(), and spu_SelectSubpictures().

spu_PrerenderEnqueue()

static 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()

static 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()

static 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()

static void spu_PrerenderText ( spu_t *  spu, subpicture_t *  p_subpic, const video_format_t *  fmtsrc, const video_format_t *  fmtdst, const vlc_fourcc_t *  chroma_list  )

static

References subpicture_t::b_subtitle, subpicture_t::i_original_picture_height, subpicture_t::i_original_picture_width, subpicture_t::i_start, subpicture_region_t::node, subpicture_t::regions, spu_UpdateOriginalSize(), SpuRenderText(), subpicture_region_Delete(), subpicture_region_IsText, subpicture_Update(), vlc_list_replace(), vlc_spu_regions_foreach, vlc_spu_regions_remove, and vlc_tick_now().

Referenced by spu_PrerenderThread().

spu_PrerenderThread()

static void * spu_PrerenderThread ( void *  priv )

static

References spu_private_t::chroma_list, spu_private_t::cond, spu_prerender_vector::data, spu_private_t::fmtdst, spu_private_t::fmtsrc, subpicture_t::i_start, spu_private_t::live, spu_private_t::lock, spu_private_t::output_cond, spu_t::p, spu_private_t::p_processed, spu_private_t::prerender, spu_prerender_vector::size, SPU_CHROMALIST_COUNT, spu_PrerenderText(), spu_private_t::vector, video_format_Clean(), video_format_Copy(), vlc_cond_signal(), vlc_cond_wait(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_thread_set_name(), and vlc_vector_remove.

Referenced by spu_Create().

spu_PrerenderWake()

static void spu_PrerenderWake ( spu_private_t *  sys, const video_format_t *  fmt_dst, const video_format_t *  fmt_src, 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, video_format_Clean(), video_format_Copy(), video_format_IsSimilar(), 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, spu_private_t::lock, spu_t::p, 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_entry_IsSelected()

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

References subpicture_t::b_subtitle, subpicture_t::i_channel, and spu_render_entry_t::subpic.

Referenced by spu_SelectSubpictures().

spu_scale_create()

static 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()

static 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()

static 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(), SpuRenderRegion(), and SpuRescaleRegion().

spu_scale_unit()

static 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()

static 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(), SpuRenderRegion(), and SpuRescaleRegion().

spu_SelectSubpictures()

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

References spu_render_entry_t::channel_order, spu_private_t::channels, current, spu_render_vector::data, spu_channel_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_t::p, spu_render_vector::size, spu_channel_vector::size, spu_channel_UpdateDates(), spu_entry_EnsureScaledSize(), spu_PrerenderCancel(), spu_render_entry_IsSelected(), spu_render_entry_t::start, spu_render_entry_t::stop, spu_render_entry_t::subpic, subpicture_Delete(), unlikely, vlc_alloc(), VLC_SUCCESS, 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, spu_channel::delay, spu_private_t::lock, spu_t::p, spu_GetChannel(), vlc_clock_SetDelay(), 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, spu_private_t::lock, spu_t::p, 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 spu_private_t::lock, spu_t::p, UpdateSPU(), vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by vout_SetSpuHighlight().

spu_UpdateOriginalSize()

static 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, msg_Dbg, and msg_Err.

Referenced by spu_PrerenderText(), and SpuRenderSubpictures().

SpuAreaFitInside()

static void SpuAreaFitInside ( spu_area_t *  area, const spu_area_t *  boundary  )

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().

SpuAreaFixOverlap()

static 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().

SpuRegionPlace()

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

static

Place a region.

References subpicture_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()

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

static

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

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

It can be used by qsort.

XXX spu_RenderSubpictures depends heavily on this order.

References subpicture_t::b_absolute, 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()

static 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, module_need, filter_t::ops, filter_t::p_module, es_format_t::video, VIDEO_ES, vlc_custom_create, and vlc_object_delete.

Referenced by spu_Create().

SpuRenderCreateAndLoadText()

static 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, module_need_var, filter_t::ops, filter_t::owner, filter_t::p_module, filter_owner_t::pf_get_attachments, spu_get_attachments(), es_format_t::video, VIDEO_ES, vlc_custom_create, and vlc_object_delete.

Referenced by spu_Attach(), and spu_Create().

SpuRenderRegion()

static subpicture_region_t * SpuRenderRegion ( spu_t *  spu, spu_area_t *  dst_area, const spu_render_entry_t *  entry, const subpicture_region_t *  region, picture_t **  scaled_pic, const spu_scale_t  scale_size, const vlc_fourcc_t *  chroma_list, const video_format_t *  fmt, 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_t::b_absolute, subpicture_t::b_fade, subpicture_t::b_subtitle, spu_private_t::crop, subpicture_region_t::fmt, spu_private_t::force_crop, picture_t::format, spu_private_t::height, subpicture_region_t::i_align, subpicture_region_t::i_alpha, subpicture_t::i_alpha, video_format_t::i_chroma, video_palette_t::i_entries, 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, subpicture_region_t::i_x, video_format_t::i_x_offset, subpicture_region_t::i_y, video_format_t::i_y_offset, spu_private_t::margin, spu_t::p, video_format_t::p_palette, subpicture_region_t::p_picture, video_palette_t::palette, spu_private_t::palette, spu_area_t::scale, spu_private_t::secondary_alignment, spu_private_t::secondary_margin, spu_area_create(), spu_invscale_h(), spu_scale_h(), spu_scale_unit(), spu_scale_w(), SpuAreaFitInside(), SpuAreaFixOverlap(), SpuRegionPlace(), SpuRescaleRegion(), subpicture_region_ForPicture(), subpicture_region_IsText, video_format_IsSameChroma(), VLC_CODEC_YUVP, VLC_VOUT_ORDER_SECONDARY, spu_private_t::width, spu_private_t::x, spu_area_t::x, spu_private_t::y, and spu_area_t::y.

Referenced by SpuRenderSubpictures().

SpuRenderSubpictures()

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, 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_t::b_absolute, subpicture_t::b_subtitle, count, vlc_rational_t::den, subpicture_region_t::fmt, spu_scale_t::h, spu_area_t::height, vlc_render_subpicture::i_order, subpicture_t::i_order, vlc_render_subpicture::i_original_picture_height, subpicture_t::i_original_picture_height, vlc_render_subpicture::i_original_picture_width, 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, subpicture_region_t::i_y, vlc_rational_t::num, region_FixFmt(), vlc_render_subpicture::regions, subpicture_t::regions, SCALE_UNIT, spu_area_unscaled(), spu_scale_createq(), spu_UpdateOriginalSize(), SpuRenderRegion(), SpuRenderText(), spu_render_entry_t::subpic, subpicture_region_Delete(), subpicture_region_IsText, unlikely, vlc_render_subpicture_New(), vlc_spu_regions_foreach, vlc_spu_regions_foreach_const, vlc_spu_regions_is_empty, vlc_spu_regions_push, vlc_ureduce(), spu_scale_t::w, spu_area_t::width, spu_area_t::x, spu_area_t::y, subpicture_region_t::zoom_h, and subpicture_region_t::zoom_v.

Referenced by spu_Render().

SpuRenderText()

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

References 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, filter_t::ops, spu_t::p, 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().

SpuRescaleRegion()

static void SpuRescaleRegion ( spu_t *  spu, const subpicture_region_t *  region, picture_t **  scaled_pic, const spu_scale_t  scale_size, bool  changed_palette, bool  using_palette, const vlc_fourcc_t *  chroma_list  )

static

References vlc_filter_operations::filter_video, subpicture_region_t::fmt, filter_t::fmt_in, filter_t::fmt_out, picture_t::format, spu_scale_t::h, 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, msg_Err, msg_Warn, filter_t::ops, spu_t::p, video_format_t::p_palette, subpicture_region_t::p_picture, picture_HasChainedPics(), picture_Hold(), picture_Release(), spu_private_t::scale, SCALE_UNIT, spu_private_t::scale_yuvp, spu_scale_h(), spu_scale_w(), es_format_t::video, and spu_scale_t::w.

Referenced by SpuRenderRegion().

SSizeCmp()

static int SSizeCmp ( ssize_t  i0, ssize_t  i1  )

static

Referenced by SpuRenderCmp().

sub_new_buffer()

static 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()

static 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()

static int SubFilterAddProxyCallbacks ( filter_t *  filter, void *  opaque  )

static

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

Referenced by spu_PutSubpicture().

SubFilterDelProxyCallbacks()

static 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()

static int SubSourceAddProxyCallbacks ( filter_t *  filter, void *  opaque  )

static

References filter_AddProxyCallbacks, RestartSubSourceCallback(), and VLC_SUCCESS.

Referenced by spu_Render().

SubSourceClean()

static 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()

static 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()

static 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()

static 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().

UpdateSPU()

static void UpdateSPU ( spu_t *  spu, const vlc_spu_highlight_t *  hl  )

static

References spu_private_t::crop, spu_private_t::force_crop, spu_private_t::height, video_palette_t::i_entries, spu_private_t::lock, msg_Dbg, spu_t::p, vlc_spu_highlight_t::palette, spu_private_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().

Variable Documentation

sub_cbs

const struct filter_subpicture_callbacks sub_cbs

static

Initial value:

= {
    sub_new_buffer,
}

Referenced by SubSourceInit().