stbvtc.c File Reference

Video Transformations functions. More...

#include <techtype.h>
#include <dbgfuncs.h>
#include "stbvtc.h"
#include "stbhwav.h"
#include "stbheap.h"
#include "stbhwos.h"
#include "stbhwosd.h"
#include "vtc.h"

Go to the source code of this file.

Macros
#define	STB_VT_PRINT(x)

Functions
void	STB_VTInitialise (void)
	Initialise the VTC module. More...
void	STB_VTSetVideoAlignmentPref (E_VIDEO_ASPECT_MODE alignment)
	Set video alignment preference. More...
void	STB_VTCSetCustomModeCallback (F_VT_CUSTOM_MODE_CALLBACK callback)
	Sets the callback used to control the format conversion when the aspect mode set by STB_VTSetVideoAlignmentPref is ASPECT_MODE_CUSTOM. More...
void	STB_VTSetVideoOutput (S_RECTANGLE *output)
	DVBCore application output window for entire video. More...
void	STB_VTSetMhegEnable (BOOLEAN enable)
	Turn on or off MHEG5 scaling calculation. More...
void	STB_VTSetMhegScalingResolution (U16BIT width, U16BIT height)
	Set Mheg scaling resolution for video. More...
void	STB_VTSetMhegVideoScaling (S_RECTANGLE *scaling)
	Set Mheg video scaling. More...
E_ASPECT_RATIO	STB_VTGetDisplayAspectRatio (void)
	Get display aspect ratio. More...
void	STB_VTSetDisplayAspectRatio (E_ASPECT_RATIO aspect_ratio)
	Set display aspect ratio. More...
void	STB_VTSetMhegAspectRatio (E_ASPECT_RATIO aspect_ratio)
	Set scene aspect ratio (MHEG-5 specific) More...
void	STB_VTSetMhegVideoAlignment (E_VIDEO_ASPECT_MODE mode)
	Set MHEG5 widescreen alignment. More...
void	STB_VTSetHbbtvEnable (BOOLEAN enable)
	Turn on or off HBBTV scaling calculation. More...
void	STB_VTSetHbbtvVideoWindow (S_RECTANGLE *rect)
	Set video scaling by HBBTV. More...
void	STB_VTSetVideoPrefChangedCallback (void(*callback)(void *), void *user_data)
	Set video preferences change callback. More...
void	STB_VTSetVideoRatioCallback (F_NOTIFY_VIDEO_AR ar)
	Set video preferences change callback. More...
E_FORMAT_CONVERSION	STB_VTGetDecoderFormatConversion (void)
	Return the current decoder format conversion. More...
void	STB_VTGetVideoResolution (U16BIT *width, U16BIT *height)
	Return the current video resolution. More...
E_ASPECT_RATIO	STB_VTGetVideoAspectRatio (void)
	Return the current video aspect ratio. More...

Detailed Description

Video Transformations functions.

Date

28/02/2012

Author

Ocean Blue

Definition in file stbvtc.c.

Function Documentation

STB_VTCSetCustomModeCallback()

void STB_VTCSetCustomModeCallback

(

F_VT_CUSTOM_MODE_CALLBACK

callback

)

Sets the callback used to control the format conversion when the aspect mode set by STB_VTSetVideoAlignmentPref is ASPECT_MODE_CUSTOM.

Parameters

callback

Function used by the VTC module to determine what format conversion needs to be applied.

Definition at line 130 of file stbvtc.c.

STB_VTGetDecoderFormatConversion()

E_FORMAT_CONVERSION STB_VTGetDecoderFormatConversion

(

void

)

Return the current decoder format conversion.

---

Returns

The current format conversion

Definition at line 412 of file stbvtc.c.

STB_VTGetDisplayAspectRatio()

E_ASPECT_RATIO STB_VTGetDisplayAspectRatio

(

void

)

Get display aspect ratio.

---

Parameters

aspect_ratio

- display aspect ratio

Returns

None

Definition at line 243 of file stbvtc.c.

STB_VTGetVideoAspectRatio()

E_ASPECT_RATIO STB_VTGetVideoAspectRatio

(

void

)

Return the current video aspect ratio.

---

Returns

E_ASPECT_RATIO aspect ratio

Definition at line 458 of file stbvtc.c.

STB_VTGetVideoResolution()

void STB_VTGetVideoResolution	(	U16BIT *	width,
		U16BIT *	height
	)

Return the current video resolution.

---

Parameters

width	- video width
height	- video height

Returns

None

Definition at line 435 of file stbvtc.c.

STB_VTInitialise()

void STB_VTInitialise

(

void

)

Initialise the VTC module.

---

Parameters

None

Returns

None

Definition at line 84 of file stbvtc.c.

STB_VTSetDisplayAspectRatio()

void STB_VTSetDisplayAspectRatio

(

E_ASPECT_RATIO

aspect_ratio

)

Set display aspect ratio.

---

Parameters

aspect_ratio

- display aspect ratio

Returns

None

Definition at line 265 of file stbvtc.c.

STB_VTSetHbbtvEnable()

void STB_VTSetHbbtvEnable

(

BOOLEAN

enable

)

Turn on or off HBBTV scaling calculation.

---

Parameters

enable

TRUE - turn on MHEG5 calculations

Returns

None

Definition at line 328 of file stbvtc.c.

STB_VTSetHbbtvVideoWindow()

void STB_VTSetHbbtvVideoWindow

(

S_RECTANGLE *

rect

)

Set video scaling by HBBTV.

---

Parameters

rect	output window rectangle

Returns

None

Definition at line 347 of file stbvtc.c.

STB_VTSetMhegAspectRatio()

void STB_VTSetMhegAspectRatio

(

E_ASPECT_RATIO

aspect_ratio

)

Set scene aspect ratio (MHEG-5 specific)

---

Parameters

aspect_ratio

- scene aspect ratio

Returns

None

Definition at line 286 of file stbvtc.c.

STB_VTSetMhegEnable()

void STB_VTSetMhegEnable

(

BOOLEAN

enable

)

Turn on or off MHEG5 scaling calculation.

---

Parameters

enable

TRUE - turn on MHEG5 calculations

Returns

None

Definition at line 181 of file stbvtc.c.

STB_VTSetMhegScalingResolution()

void STB_VTSetMhegScalingResolution	(	U16BIT	width,
		U16BIT	height
	)

Set Mheg scaling resolution for video.

Set MHEG5 scaling resolution for video.

---

Parameters

width	- width resolution
height	- height resolution

Returns

None

Definition at line 201 of file stbvtc.c.

STB_VTSetMhegVideoAlignment()

void STB_VTSetMhegVideoAlignment

(

E_VIDEO_ASPECT_MODE

mode

)

Set MHEG5 widescreen alignment.

---

Parameters

mode	- widescreen alignment mode

Returns

None

Definition at line 307 of file stbvtc.c.

STB_VTSetMhegVideoScaling()

void STB_VTSetMhegVideoScaling

(

S_RECTANGLE *

scaling

)

Set Mheg video scaling.

Set video scaling by MHEG5.

---

Parameters

scaling

- scaling transformation (offset, size)

Returns

None

Definition at line 222 of file stbvtc.c.

STB_VTSetVideoAlignmentPref()

void STB_VTSetVideoAlignmentPref

(

E_VIDEO_ASPECT_MODE

alignment

)

Set video alignment preference.

---

Parameters

pref	- video alignment

Returns

None

Definition at line 110 of file stbvtc.c.

STB_VTSetVideoOutput()

void STB_VTSetVideoOutput

(

S_RECTANGLE *

output

)

DVBCore application output window for entire video.

---

Parameters

output

- output video rectangle. NULL means full-screen, unless MHEG says duifferently.

Returns

None

Definition at line 150 of file stbvtc.c.

STB_VTSetVideoPrefChangedCallback()

void STB_VTSetVideoPrefChangedCallback	(	void(*)(void *)	callback,
		void *	user_data
	)

Set video preferences change callback.

---

The callback function is called when video transformation is changed as a result of a user preference change (only).

Parameters

callback	- callback for notification
user_data	- user data for the callback

Returns

None

Definition at line 372 of file stbvtc.c.

STB_VTSetVideoRatioCallback()

void STB_VTSetVideoRatioCallback

(

F_NOTIFY_VIDEO_AR

ar

)

Set video preferences change callback.

---

The callback function is called when video transformation is changed as a result of a user preference change (only).

Parameters

callback	- callback for notification
user_data	- user data for the callback

Returns

None

Definition at line 399 of file stbvtc.c.