display.c File Reference

Include dependency graph for display.c:

Data Structures
struct	vout_display_priv_t

Functions
static int	vout_display_Control (vout_display_t *vd, int query)
void	vout_display_GetDefaultDisplaySize (unsigned *width, unsigned *height, const video_format_t *source, const struct vout_display_placement *dp)
	Computes the default display size given the source and the display configuration. More...
void	vout_display_PlacePicture (vout_display_place_t *restrict place, const video_format_t *restrict source, const struct vout_display_placement *restrict dp)
void	vout_display_TranslateCoordinates (int *restrict xp, int *restrict yp, const video_format_t *restrict source, const struct vout_display_placement *restrict dp)
	Translates window coordinates to video coordinates. More...
static picture_t *	VideoBufferNew (filter_t *filter)
static vlc_decoder_device *	DisplayHoldDecoderDevice (vlc_object_t *o, void *sys)
static int	VoutDisplayCreateRender (vout_display_t *vd)
static void	VoutDisplayCropRatio (int *left, int *top, int *right, int *bottom, const video_format_t *source, unsigned num, unsigned den)
picture_pool_t *	vout_GetPool (vout_display_t *vd, unsigned count)
	It retrieves a picture pool from the display. More...
bool	vout_IsDisplayFiltered (vout_display_t *vd)
picture_t *	vout_ConvertForDisplay (vout_display_t *vd, picture_t *picture)
picture_t *	vout_display_Prepare (vout_display_t *vd, picture_t *picture, subpicture_t *subpic, vlc_tick_t date)
	Prepares a picture for display. More...
void	vout_FilterFlush (vout_display_t *vd)
static void	vout_display_Reset (vout_display_t *vd)
static int	vout_UpdateSourceCrop (vout_display_t *vd)
static int	vout_SetSourceAspect (vout_display_t *vd, unsigned sar_num, unsigned sar_den)
void	VoutFixFormatAR (video_format_t *fmt)
void	vout_UpdateDisplaySourceProperties (vout_display_t *vd, const video_format_t *source, const vlc_rational_t *forced_dar)
void	vout_display_SetSize (vout_display_t *vd, unsigned width, unsigned height)
void	vout_SetDisplayFitting (vout_display_t *vd, enum vlc_video_fitting fit)
void	vout_SetDisplayZoom (vout_display_t *vd, unsigned num, unsigned den)
void	vout_SetDisplayAspect (vout_display_t *vd, unsigned dar_num, unsigned dar_den)
void	vout_SetDisplayCrop (vout_display_t *vd, const struct vout_crop *restrict crop)
void	vout_SetDisplayViewpoint (vout_display_t *vd, const vlc_viewpoint_t *p_viewpoint)
void	vout_SetDisplayIccProfile (vout_display_t *vd, const vlc_icc_profile_t *profile)
int	vout_SetDisplayFormat (vout_display_t *vd, const video_format_t *fmt, vlc_video_context *vctx)
vout_display_t *	vout_display_New (vlc_object_t *parent, const video_format_t *source, vlc_video_context *vctx, const vout_display_cfg_t *cfg, const char *module, const vout_display_owner_t *owner)
	Creates video output display. More...
void	vout_display_Delete (vout_display_t *vd)
	Destroys a video output display. More...

Variables
static const struct filter_video_callbacks	vout_display_filter_cbs

Function Documentation

DisplayHoldDecoderDevice()

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

static

References container_of, vout_display_priv_t::src_vctx, VLC_UNUSED, and vlc_video_context_HoldDevice().

VideoBufferNew()

static picture_t * VideoBufferNew ( filter_t *  filter )

static

References container_of, vout_display_priv_t::display_fmt, filter_t::fmt_out, video_format_t::i_chroma, video_format_t::i_height, video_format_t::i_width, filter_t::owner, picture_pool_Get(), filter_owner_t::sys, es_format_t::video, and vout_GetPool().

vout_ConvertForDisplay()

picture_t * vout_ConvertForDisplay	(	vout_display_t *	vd,
		picture_t *	picture
	)

References container_of, vout_display_priv_t::converters, filter_chain_VideoFilter(), and picture_Release().

Referenced by PrerenderPicture(), and vout_display_Prepare().

vout_display_Control()

static int vout_display_Control ( vout_display_t *  vd, int  query  )

static

References vlc_display_operations::control, and vout_display_t::ops.

Referenced by vout_display_SetSize(), vout_SetDisplayFitting(), vout_SetDisplayZoom(), vout_SetSourceAspect(), and vout_UpdateSourceCrop().

vout_display_PlacePicture()

void vout_display_PlacePicture	(	vout_display_place_t *restrict	place,
		const video_format_t *restrict	source,
		const struct vout_display_placement *restrict	dp
	)

References PROJECTION_MODE_RECTANGULAR, video_format_ApplyRotation(), VLC_VIDEO_ALIGN_BOTTOM, VLC_VIDEO_ALIGN_LEFT, VLC_VIDEO_ALIGN_RIGHT, VLC_VIDEO_ALIGN_TOP, VLC_VIDEO_FIT_HEIGHT, VLC_VIDEO_FIT_LARGER, VLC_VIDEO_FIT_NONE, VLC_VIDEO_FIT_SMALLER, VLC_VIDEO_FIT_WIDTH, and vout_display_GetDefaultDisplaySize().

Referenced by PrerenderPicture(), and vout_display_TranslateCoordinates().

vout_display_Reset()

static void vout_display_Reset ( vout_display_t *  vd )

static

References container_of, vout_display_priv_t::converters, vout_display_priv_t::display_fmt, filter_chain_Delete(), msg_Err, vout_display_t::ops, picture_pool_Release(), vout_display_priv_t::pool, vlc_display_operations::reset_pictures, VLC_SUCCESS, and VoutDisplayCreateRender().

Referenced by vout_display_SetSize(), vout_SetDisplayAspect(), vout_SetDisplayCrop(), vout_SetDisplayFitting(), vout_SetDisplayZoom(), and vout_UpdateDisplaySourceProperties().

vout_display_TranslateCoordinates()

void vout_display_TranslateCoordinates	(	int *restrict	xp,
		int *restrict	yp,
		const video_format_t *restrict	source,
		const struct vout_display_placement *restrict	dp
	)

Translates window coordinates to video coordinates.

References vout_display_place_t::height, ORIENT_BOTTOM_LEFT, ORIENT_BOTTOM_RIGHT, ORIENT_LEFT_BOTTOM, ORIENT_LEFT_TOP, ORIENT_RIGHT_BOTTOM, ORIENT_RIGHT_TOP, ORIENT_TOP_LEFT, ORIENT_TOP_RIGHT, vlc_assert_unreachable, vout_display_PlacePicture(), vout_display_place_t::width, vout_display_place_t::x, and vout_display_place_t::y.

Referenced by vout_display_window_MouseEvent().

vout_FilterFlush()

void vout_FilterFlush

(

vout_display_t *

vd

)

References container_of, vout_display_priv_t::converters, and filter_chain_VideoFlush().

Referenced by vout_FlushUnlocked().

vout_GetPool()

picture_pool_t * vout_GetPool	(	vout_display_t *	vd,
		unsigned	count
	)

It retrieves a picture pool from the display.

References container_of, count, vout_display_priv_t::display_fmt, picture_pool_NewFromFormat(), and vout_display_priv_t::pool.

Referenced by VideoBufferNew(), and vout_OpenWrapper().

vout_IsDisplayFiltered()

bool vout_IsDisplayFiltered

(

vout_display_t *

vd

)

References container_of, vout_display_priv_t::converters, and filter_chain_IsEmpty().

Referenced by vout_OpenWrapper().

vout_SetDisplayAspect()

void vout_SetDisplayAspect	(	vout_display_t *	vd,
		unsigned	dar_num,
		unsigned	dar_den
	)

References container_of, video_format_t::i_visible_height, video_format_t::i_visible_width, vout_display_priv_t::source, vlc_ureduce(), vout_display_Reset(), and vout_SetSourceAspect().

Referenced by vout_ChangeDisplayAspectRatio(), and vout_Start().

vout_SetDisplayCrop()

void vout_SetDisplayCrop	(	vout_display_t *	vd,
		const struct vout_crop *restrict	crop
	)

References container_of, vout_display_priv_t::crop, vout_CropEqual(), vout_display_Reset(), and vout_UpdateSourceCrop().

Referenced by vout_ChangeCrop(), and vout_Start().

vout_SetDisplayFitting()

void vout_SetDisplayFitting	(	vout_display_t *	vd,
		enum vlc_video_fitting	fit
	)

References vout_display_priv_t::cfg, container_of, vout_display_cfg::display, vout_display_placement::fitting, VOUT_DISPLAY_CHANGE_DISPLAY_FILLED, vout_display_Control(), and vout_display_Reset().

Referenced by vout_ChangeDisplayFitting().

vout_SetDisplayFormat()

int vout_SetDisplayFormat	(	vout_display_t *	vd,
		const video_format_t *	fmt,
		vlc_video_context *	vctx
	)

References container_of, vout_display_priv_t::converters, filter_chain_Clear(), vout_display_t::ops, video_format_t::p_palette, vout_display_priv_t::source, vout_display_priv_t::src_vctx, vlc_display_operations::update_format, video_format_Clean(), VLC_EGENERIC, VLC_SUCCESS, vlc_video_context_Hold(), and vlc_video_context_Release().

Referenced by ChangeFilters().

vout_SetDisplayIccProfile()

void vout_SetDisplayIccProfile	(	vout_display_t *	vd,
		const vlc_icc_profile_t *	profile
	)

References vout_display_priv_t::cfg, container_of, vout_display_cfg::icc_profile, vout_display_t::ops, and vlc_display_operations::set_icc_profile.

Referenced by vout_ChangeIccProfile().

vout_SetDisplayViewpoint()

void vout_SetDisplayViewpoint	(	vout_display_t *	vd,
		const vlc_viewpoint_t *	p_viewpoint
	)

References vout_display_priv_t::cfg, container_of, vlc_viewpoint_t::fov, msg_Err, vout_display_t::ops, vlc_viewpoint_t::pitch, vlc_viewpoint_t::roll, vlc_display_operations::set_viewpoint, vout_display_cfg::viewpoint, and vlc_viewpoint_t::yaw.

Referenced by vout_ChangeViewpoint().

vout_SetDisplayZoom()

void vout_SetDisplayZoom	(	vout_display_t *	vd,
		unsigned	num,
		unsigned	den
	)

References vout_display_priv_t::cfg, container_of, vlc_rational_t::den, vout_display_cfg::display, vout_display_placement::fitting, vlc_rational_t::num, VLC_VIDEO_FIT_NONE, VOUT_DISPLAY_CHANGE_ZOOM, vout_display_Control(), vout_display_Reset(), and vout_display_placement::zoom.

Referenced by vout_ChangeZoom().

vout_SetSourceAspect()

static int vout_SetSourceAspect ( vout_display_t *  vd, unsigned  sar_num, unsigned  sar_den  )

static

References container_of, vout_display_priv_t::crop, video_format_t::i_sar_den, video_format_t::i_sar_num, vout_crop::mode, vout_display_priv_t::source, VOUT_CROP_NONE, VOUT_DISPLAY_CHANGE_SOURCE_ASPECT, vout_display_Control(), and vout_UpdateSourceCrop().

Referenced by vout_SetDisplayAspect(), and vout_UpdateDisplaySourceProperties().

vout_UpdateDisplaySourceProperties()

void vout_UpdateDisplaySourceProperties	(	vout_display_t *	vd,
		const video_format_t *	source,
		const vlc_rational_t *	forced_dar
	)

References container_of, 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_x_offset, video_format_t::i_y_offset, vlc_rational_t::num, vout_display_priv_t::source, video_format_CopyCrop(), vout_display_Reset(), vout_SetSourceAspect(), vout_UpdateSourceCrop(), and VoutFixFormatAR().

Referenced by PrerenderPicture().

vout_UpdateSourceCrop()

static int vout_UpdateSourceCrop ( vout_display_t *  vd )

static

References vout_crop::border, vout_crop::bottom, container_of, vout_display_priv_t::crop, vlc_rational_t::den, vout_crop::height, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_x_offset, video_format_t::i_y_offset, vout_crop::left, vout_crop::mode, vlc_rational_t::num, vout_crop::ratio, vout_crop::right, vout_display_priv_t::source, vout_crop::top, video_format_Print(), vlc_assert_unreachable, VLC_OBJECT, VOUT_CROP_BORDER, VOUT_CROP_NONE, VOUT_CROP_RATIO, VOUT_CROP_WINDOW, VOUT_DISPLAY_CHANGE_SOURCE_CROP, vout_display_Control(), VoutDisplayCropRatio(), vout_crop::width, vout_crop::window, vout_crop::x, and vout_crop::y.

Referenced by vout_SetDisplayCrop(), vout_SetSourceAspect(), and vout_UpdateDisplaySourceProperties().

VoutDisplayCreateRender()

static int VoutDisplayCreateRender ( vout_display_t *  vd )

static

References container_of, vout_display_priv_t::converters, vout_display_priv_t::display_fmt, es_format_Clean(), es_format_InitFromVideo(), filter_chain_AppendConverter(), filter_chain_Delete(), filter_chain_NewVideo, filter_chain_Reset(), video_format_t::i_chroma, video_format_t::i_sar_den, video_format_t::i_sar_num, msg_Dbg, msg_Err, vout_display_priv_t::source, vout_display_priv_t::src_vctx, unlikely, filter_owner_t::video, and vout_display_filter_cbs.

Referenced by vout_display_New(), and vout_display_Reset().

VoutDisplayCropRatio()

static void VoutDisplayCropRatio ( int *  left, int *  top, int *  right, int *  bottom, const video_format_t *  source, unsigned  num, unsigned  den  )

static

References video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_visible_height, and video_format_t::i_visible_width.

Referenced by vout_UpdateSourceCrop().

VoutFixFormatAR()

void VoutFixFormatAR

(

video_format_t *

fmt

)

References video_format_t::i_sar_den, video_format_t::i_sar_num, and vlc_ureduce().

Referenced by vout_UpdateDisplaySourceProperties(), and VoutFixFormat().

Variable Documentation

vout_display_filter_cbs

const struct filter_video_callbacks vout_display_filter_cbs

static

Initial value:

= {
    VideoBufferNew, DisplayHoldDecoderDevice,
}

Referenced by VoutDisplayCreateRender().