DASA.h File Reference

#include "AVCommon.h"

Typedefs
typedef enum _AV_DASA_LEVEL_	AV_DASA_LEVEL

Enumerations
enum	_AV_DASA_LEVEL_ {   AV_DASA_LEVEL_QUALITY_HIGH = 0, AV_DASA_LEVEL_QUALITY_BTWHIGHNORMAL = 1, AV_DASA_LEVEL_QUALITY_NORMAL = 2, AV_DASA_LEVEL_QUALITY_BTWNORMALLOW = 3,   AV_DASA_LEVEL_QUALITY_LOW = 4 }

Functions
int32_t	avDASASetting (int32_t nAVChannelID, int32_t nEnable, int32_t nCleanBufferCondition, int32_t nCleanBufferRatio, int32_t nAdjustmentKeepTime, int32_t nIncreaseQualityCond, int32_t nDecreaseRatio, AV_DASA_LEVEL nInitLevel)
	Set DASA Parameter.
int32_t	avDASACheck (int32_t nAVChannelID)
	DASA Status Check.
int32_t	avDASAReset (int32_t nAVChannelID, AV_DASA_LEVEL nLevel)
	DASA Status Reset.

Detailed Description

This file describes AV module APIs for DASA(Dynamic Adaptive Streaming over AVAPI).

Copyright

Copyright (c) 2010 by Throughtek Co., Ltd. All Rights Reserved.

Typedef Documentation

typedef enum _AV_DASA_LEVEL_ AV_DASA_LEVEL

Enumeration Type Documentation

enum _AV_DASA_LEVEL_

Enumerator:

AV_DASA_LEVEL_QUALITY_HIGH
AV_DASA_LEVEL_QUALITY_BTWHIGHNORMAL
AV_DASA_LEVEL_QUALITY_NORMAL
AV_DASA_LEVEL_QUALITY_BTWNORMALLOW
AV_DASA_LEVEL_QUALITY_LOW

Function Documentation

int32_t avDASACheck

(

int32_t

nAVChannelID

)

DASA Status Check.

Parameters

nAVChannelID

[in] The channel ID of the AV channel to be checked

Returns

Error code if return value < 0

• AV_ER_INVALID_ARG The AV channel ID is not valid or not support resend
• AV_ER_CLIENT_NOT_SUPPORT An AV client uses this function
• AV_ER_NOT_INITIALIZED AV module is not initialized yet

AV_DASA_LEVEL AV_DASA_LEVEL_QUALITY_HIGH : Set Video Quality High AV_DASA_LEVEL_QUALITY_NORMAL : Set Video Quality Normal AV_DASA_LEVEL_QUALITY_LOW : Set Video Quality Low

int32_t avDASAReset	(	int32_t	nAVChannelID,
		AV_DASA_LEVEL	nLevel
	)

DASA Status Reset.

Parameters

nAVChannelID	[in] The channel ID of the AV channel to be reset
nLevel	[in] Set reset quality level

Returns

Error code if return value < 0

• AV_ER_INVALID_ARG The AV channel ID is not valid or not support resend
• AV_ER_CLIENT_NOT_SUPPORT An AV client uses this function
• AV_ER_NOT_INITIALIZED AV module is not initialized yet

AV_ER_NoERROR if setting successfully

int32_t avDASASetting	(	int32_t	nAVChannelID,
		int32_t	nEnable,
		int32_t	nCleanBufferCondition,
		int32_t	nCleanBufferRatio,
		int32_t	nAdjustmentKeepTime,
		int32_t	nIncreaseQualityCond,
		int32_t	nDecreaseRatio,
		AV_DASA_LEVEL	nInitLevel
	)

Set DASA Parameter.

Parameters

nAVChannelID	[in] The channel ID of the AV channel to be enabled DASA
nEnable	[in] Set 1 to enable DASA, 0 to disable DASA
nCleanBufferCondition	[in] Set clean buffer condition in secs, must greater than or equal to 3 and smaller than or equal to 9
nCleanBufferRatio	[in] Set clean buffer ratio, must greater than or equal to 50 and smaller than or equal to 100
nAdjustmentKeepTime	[in] Set increase AV_DASA_LEVEL quality keep time, must bigger than or equal to 5 secs
nIncreaseQualityCond	[in] Set accumulation network stable time for increasing AV_DASA_LEVEL quality, must bigger than or equal to 3 secs
nDecreaseRatio	[in] Set decrease AV_DASA_LEVEL quality ratio, set nDecreaseRatio smaller will trigger decreasing more offen (1~100).
nInitLevel	[in] Set initial quality level

Returns

AV_ER_NoERROR if setting successfully

Error code if return value < 0

• AV_ER_INVALID_ARG The AV channel ID is not valid or not support resend
• AV_ER_CLIENT_NOT_SUPPORT An AV client uses this function
• AV_ER_NOT_INITIALIZED AV module is not initialized yet