video_text.c File Reference

Include dependency graph for video_text.c:

Data Structures
struct	subpicture_updater_sys_t

Functions
static int	OSDTextValidate (subpicture_t *subpic, bool has_src_changed, const video_format_t *fmt_src, bool has_dst_changed, const video_format_t *fmt_dst, mtime_t ts)
static void	OSDTextUpdate (subpicture_t *subpic, const video_format_t *fmt_src, const video_format_t *fmt_dst, mtime_t ts)
static void	OSDTextDestroy (subpicture_t *subpic)
void	vout_OSDText (vout_thread_t *vout, int channel, int position, mtime_t duration, const char *text)
	Write an informative message if the OSD option is enabled.
void	vout_OSDMessage (vout_thread_t *vout, int channel, const char *format,...)
	Write an informative message at the default location, for the default duration and only if the OSD option is enabled.

Function Documentation

static void OSDTextDestroy ( subpicture_t *  subpic )

static

References subpicture_updater_t::p_sys, subpicture_updater_sys_t::text, and subpicture_t::updater.

Referenced by vout_OSDText().

static void OSDTextUpdate ( subpicture_t *  subpic, const video_format_t *  fmt_src, const video_format_t *  fmt_dst, mtime_t  ts  )

static

References subpicture_t::b_absolute, subpicture_region_t::i_align, video_format_t::i_height, 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, video_format_t::i_width, subpicture_region_t::i_x, video_format_t::i_x_offset, subpicture_region_t::i_y, video_format_t::i_y_offset, subpicture_t::p_region, subpicture_updater_t::p_sys, subpicture_updater_sys_t::position, subpicture_region_t::psz_text, strdup(), SUBPICTURE_ALIGN_BOTTOM, SUBPICTURE_ALIGN_LEFT, SUBPICTURE_ALIGN_RIGHT, SUBPICTURE_ALIGN_TOP, subpicture_region_New(), subpicture_updater_sys_t::text, subpicture_t::updater, video_format_Init(), VLC_CODEC_TEXT, and VLC_UNUSED.

Referenced by vout_OSDText().

static int OSDTextValidate ( subpicture_t *  subpic, bool  has_src_changed, const video_format_t *  fmt_src, bool  has_dst_changed, const video_format_t *  fmt_dst, mtime_t  ts  )

static

< No error

< Unspecified error

References VLC_EGENERIC, VLC_SUCCESS, and VLC_UNUSED.

Referenced by vout_OSDText().

void vout_OSDMessage	(	vout_thread_t *	,
		int	,
		const char *	,
			...
	)

Write an informative message at the default location, for the default duration and only if the OSD option is enabled.

Parameters

vout	The vout on which the message will be displayed
channel	Subpicture channel
format	printf style formatting

Provided for convenience.

References SUBPICTURE_ALIGN_RIGHT, SUBPICTURE_ALIGN_TOP, vasprintf(), and vout_OSDText().

Referenced by VoutOsdSnapshot().

void vout_OSDText	(	vout_thread_t *	vout,
		int	channel,
		int	position,
		mtime_t	duration,
		const char *	text
	)

Write an informative message if the OSD option is enabled.

Parameters

vout	The vout on which the message will be displayed
channel	Subpicture channel
position	Position of the text
duration	Duration of the text being displayed
text	Text to be displayed

< Align the subpicture, but not the text inside

References subpicture_t::b_absolute, subpicture_t::b_ephemer, subpicture_t::b_fade, subpicture_t::i_channel, subpicture_t::i_start, subpicture_t::i_stop, mdate(), OSDTextDestroy(), OSDTextUpdate(), OSDTextValidate(), subpicture_updater_t::pf_validate, subpicture_updater_sys_t::position, strdup(), SUBPICTURE_ALIGN_MASK, subpicture_New(), subpicture_updater_sys_t::text, var_InheritBool, and vout_PutSubpicture().

Referenced by ThreadDisplayOsdTitle(), and vout_OSDMessage().