mpeg4_nodes.c

一个用于智能手机的多媒体库适合S60 WinCE的跨平台开发库

		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioFX *)node)->removeChildren;
		return GF_OK;
	case 2:
		info->name = "children";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioFX *)node)->children;
		return GF_OK;
	case 3:
		info->name = "orch";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFSTRING;
		info->far_ptr = & ((M_AudioFX *) node)->orch;
		return GF_OK;
	case 4:
		info->name = "score";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFSTRING;
		info->far_ptr = & ((M_AudioFX *) node)->score;
		return GF_OK;
	case 5:
		info->name = "params";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFFLOAT;
		info->far_ptr = & ((M_AudioFX *) node)->params;
		return GF_OK;
	case 6:
		info->name = "numChan";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_SFINT32;
		info->far_ptr = & ((M_AudioFX *) node)->numChan;
		return GF_OK;
	case 7:
		info->name = "phaseGroup";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_MFINT32;
		info->far_ptr = & ((M_AudioFX *) node)->phaseGroup;
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}


static s32 AudioFX_get_field_index_by_name(char *name)
{
	if (!strcmp("addChildren", name)) return 0;
	if (!strcmp("removeChildren", name)) return 1;
	if (!strcmp("children", name)) return 2;
	if (!strcmp("orch", name)) return 3;
	if (!strcmp("score", name)) return 4;
	if (!strcmp("params", name)) return 5;
	if (!strcmp("numChan", name)) return 6;
	if (!strcmp("phaseGroup", name)) return 7;
	return -1;
	}
static Bool AudioFX_get_aq_info(GF_Node *n, u32 FieldIndex, u8 *QType, u8 *AType, Fixed *b_min, Fixed *b_max, u32 *QT13_bits)
{
	switch (FieldIndex) {
	case 5:
		*AType = 7;
		*QType = 0;
		*b_min = FIX_MIN;
		*b_max = FIX_MAX;
		return 1;
	case 6:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	case 7:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	default:
		return 0;
	}
}



GF_Node *AudioFX_Create()
{
	M_AudioFX *p;
	GF_SAFEALLOC(p, M_AudioFX);
	if(!p) return NULL;
	gf_node_setup((GF_Node *)p, TAG_MPEG4_AudioFX);
	gf_sg_vrml_parent_setup((GF_Node *) p);

#ifdef GF_NODE_USE_POINTERS
	((GF_Node *)p)->sgprivate->name = "AudioFX";
	((GF_Node *)p)->sgprivate->node_del = AudioFX_Del;
	((GF_Node *)p)->sgprivate->get_field_count = AudioFX_get_field_count;
	((GF_Node *)p)->sgprivate->get_field = AudioFX_get_field;
#endif


	/*default field values*/
	p->numChan = 1;
	return (GF_Node *)p;
}


/*
	AudioMix Node deletion
*/

static void AudioMix_Del(GF_Node *node)
{
	M_AudioMix *p = (M_AudioMix *) node;
	gf_sg_vrml_parent_destroy((GF_Node *) p);	
	gf_sg_mffloat_del(p->matrix);
	gf_sg_mfint32_del(p->phaseGroup);
	gf_node_free((GF_Node *) p);
}

static const u16 AudioMix_Def2All[] = { 2, 3, 4, 5, 6};
static const u16 AudioMix_In2All[] = { 0, 1, 2, 3, 4};
static const u16 AudioMix_Out2All[] = { 2, 3, 4};
static const u16 AudioMix_Dyn2All[] = { 4};

static u32 AudioMix_get_field_count(GF_Node *node, u8 IndexMode)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: return 5;
	case GF_SG_FIELD_CODING_DEF: return 5;
	case GF_SG_FIELD_CODING_OUT: return 3;
	case GF_SG_FIELD_CODING_DYN: return 1;
	default:
		return 7;
	}
}

static GF_Err AudioMix_get_field_index(GF_Node *n, u32 inField, u8 IndexMode, u32 *allField)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN:
		*allField = AudioMix_In2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DEF:
		*allField = AudioMix_Def2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_OUT:
		*allField = AudioMix_Out2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DYN:
		*allField = AudioMix_Dyn2All[inField];
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}
static GF_Err AudioMix_get_field(GF_Node *node, GF_FieldInfo *info)
{
	switch (info->fieldIndex) {
	case 0:
		info->name = "addChildren";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_AudioMix *)node)->on_addChildren;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioMix *)node)->addChildren;
		return GF_OK;
	case 1:
		info->name = "removeChildren";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_AudioMix *)node)->on_removeChildren;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioMix *)node)->removeChildren;
		return GF_OK;
	case 2:
		info->name = "children";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioMix *)node)->children;
		return GF_OK;
	case 3:
		info->name = "numInputs";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFINT32;
		info->far_ptr = & ((M_AudioMix *) node)->numInputs;
		return GF_OK;
	case 4:
		info->name = "matrix";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFFLOAT;
		info->far_ptr = & ((M_AudioMix *) node)->matrix;
		return GF_OK;
	case 5:
		info->name = "numChan";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_SFINT32;
		info->far_ptr = & ((M_AudioMix *) node)->numChan;
		return GF_OK;
	case 6:
		info->name = "phaseGroup";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_MFINT32;
		info->far_ptr = & ((M_AudioMix *) node)->phaseGroup;
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}


static s32 AudioMix_get_field_index_by_name(char *name)
{
	if (!strcmp("addChildren", name)) return 0;
	if (!strcmp("removeChildren", name)) return 1;
	if (!strcmp("children", name)) return 2;
	if (!strcmp("numInputs", name)) return 3;
	if (!strcmp("matrix", name)) return 4;
	if (!strcmp("numChan", name)) return 5;
	if (!strcmp("phaseGroup", name)) return 6;
	return -1;
	}
static Bool AudioMix_get_aq_info(GF_Node *n, u32 FieldIndex, u8 *QType, u8 *AType, Fixed *b_min, Fixed *b_max, u32 *QT13_bits)
{
	switch (FieldIndex) {
	case 3:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(1);
		*b_max = FLT2FIX(255);
		return 1;
	case 4:
		*AType = 7;
		*QType = 0;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(1);
		return 1;
	case 5:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	case 6:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	default:
		return 0;
	}
}



GF_Node *AudioMix_Create()
{
	M_AudioMix *p;
	GF_SAFEALLOC(p, M_AudioMix);
	if(!p) return NULL;
	gf_node_setup((GF_Node *)p, TAG_MPEG4_AudioMix);
	gf_sg_vrml_parent_setup((GF_Node *) p);

#ifdef GF_NODE_USE_POINTERS
	((GF_Node *)p)->sgprivate->name = "AudioMix";
	((GF_Node *)p)->sgprivate->node_del = AudioMix_Del;
	((GF_Node *)p)->sgprivate->get_field_count = AudioMix_get_field_count;
	((GF_Node *)p)->sgprivate->get_field = AudioMix_get_field;
#endif


	/*default field values*/
	p->numInputs = 1;
	p->numChan = 1;
	return (GF_Node *)p;
}


/*
	AudioSource Node deletion
*/

static void AudioSource_Del(GF_Node *node)
{
	M_AudioSource *p = (M_AudioSource *) node;
	gf_sg_vrml_parent_destroy((GF_Node *) p);	
	gf_sg_mfurl_del(p->url);
	gf_sg_mfint32_del(p->phaseGroup);
	gf_node_free((GF_Node *) p);
}

static const u16 AudioSource_Def2All[] = { 2, 3, 4, 5, 6, 7, 8, 9};
static const u16 AudioSource_In2All[] = { 0, 1, 2, 3, 4, 5, 6, 7};
static const u16 AudioSource_Out2All[] = { 2, 3, 4, 5, 6, 7};
static const u16 AudioSource_Dyn2All[] = { 4, 5};

static u32 AudioSource_get_field_count(GF_Node *node, u8 IndexMode)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: return 8;
	case GF_SG_FIELD_CODING_DEF: return 8;
	case GF_SG_FIELD_CODING_OUT: return 6;
	case GF_SG_FIELD_CODING_DYN: return 2;
	default:
		return 10;
	}
}

static GF_Err AudioSource_get_field_index(GF_Node *n, u32 inField, u8 IndexMode, u32 *allField)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN:
		*allField = AudioSource_In2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DEF:
		*allField = AudioSource_Def2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_OUT:
		*allField = AudioSource_Out2All[inField];
		return GF_OK;
	case GF_SG_FIELD_CODING_DYN:
		*allField = AudioSource_Dyn2All[inField];
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}
static GF_Err AudioSource_get_field(GF_Node *node, GF_FieldInfo *info)
{
	switch (info->fieldIndex) {
	case 0:
		info->name = "addChildren";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_AudioSource *)node)->on_addChildren;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioSource *)node)->addChildren;
		return GF_OK;
	case 1:
		info->name = "removeChildren";
		info->eventType = GF_SG_EVENT_IN;
		info->on_event_in = ((M_AudioSource *)node)->on_removeChildren;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioSource *)node)->removeChildren;
		return GF_OK;
	case 2:
		info->name = "children";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFNODE;
		info->NDTtype = NDT_SFAudioNode;
		info->far_ptr = & ((M_AudioSource *)node)->children;
		return GF_OK;
	case 3:
		info->name = "url";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_MFURL;
		info->far_ptr = & ((M_AudioSource *) node)->url;
		return GF_OK;
	case 4:
		info->name = "pitch";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFFLOAT;
		info->far_ptr = & ((M_AudioSource *) node)->pitch;
		return GF_OK;
	case 5:
		info->name = "speed";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFFLOAT;
		info->far_ptr = & ((M_AudioSource *) node)->speed;
		return GF_OK;
	case 6:
		info->name = "startTime";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFTIME;
		info->far_ptr = & ((M_AudioSource *) node)->startTime;
		return GF_OK;
	case 7:
		info->name = "stopTime";
		info->eventType = GF_SG_EVENT_EXPOSED_FIELD;
		info->fieldType = GF_SG_VRML_SFTIME;
		info->far_ptr = & ((M_AudioSource *) node)->stopTime;
		return GF_OK;
	case 8:
		info->name = "numChan";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_SFINT32;
		info->far_ptr = & ((M_AudioSource *) node)->numChan;
		return GF_OK;
	case 9:
		info->name = "phaseGroup";
		info->eventType = GF_SG_EVENT_FIELD;
		info->fieldType = GF_SG_VRML_MFINT32;
		info->far_ptr = & ((M_AudioSource *) node)->phaseGroup;
		return GF_OK;
	default:
		return GF_BAD_PARAM;
	}
}


static s32 AudioSource_get_field_index_by_name(char *name)
{
	if (!strcmp("addChildren", name)) return 0;
	if (!strcmp("removeChildren", name)) return 1;
	if (!strcmp("children", name)) return 2;
	if (!strcmp("url", name)) return 3;
	if (!strcmp("pitch", name)) return 4;
	if (!strcmp("speed", name)) return 5;
	if (!strcmp("startTime", name)) return 6;
	if (!strcmp("stopTime", name)) return 7;
	if (!strcmp("numChan", name)) return 8;
	if (!strcmp("phaseGroup", name)) return 9;
	return -1;
	}
static Bool AudioSource_get_aq_info(GF_Node *n, u32 FieldIndex, u8 *QType, u8 *AType, Fixed *b_min, Fixed *b_max, u32 *QT13_bits)
{
	switch (FieldIndex) {
	case 4:
		*AType = 7;
		*QType = 0;
		*b_min = FLT2FIX(0);
		*b_max = FIX_MAX;
		return 1;
	case 5:
		*AType = 7;
		*QType = 0;
		*b_min = FLT2FIX(0);
		*b_max = FIX_MAX;
		return 1;
	case 8:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	case 9:
		*AType = 0;
		*QType = 13;
		*QT13_bits = 8;
		*b_min = FLT2FIX(0);
		*b_max = FLT2FIX(255);
		return 1;
	default:
		return 0;
	}
}



GF_Node *AudioSource_Create()
{
	M_AudioSource *p;
	GF_SAFEALLOC(p, M_AudioSource);
	if(!p) return NULL;
	gf_node_setup((GF_Node *)p, TAG_MPEG4_AudioSource);
	gf_sg_vrml_parent_setup((GF_Node *) p);

#ifdef GF_NODE_USE_POINTERS
	((GF_Node *)p)->sgprivate->name = "AudioSource";
	((GF_Node *)p)->sgprivate->node_del = AudioSource_Del;
	((GF_Node *)p)->sgprivate->get_field_count = AudioSource_get_field_count;
	((GF_Node *)p)->sgprivate->get_field = AudioSource_get_field;
#endif


	/*default field values*/
	p->pitch = FLT2FIX(1);
	p->speed = FLT2FIX(1);
	p->startTime = 0;
	p->stopTime = 0;
	p->numChan = 1;
	return (GF_Node *)p;
}


/*
	AudioSwitch Node deletion
*/

static void AudioSwitch_Del(GF_Node *node)
{
	M_AudioSwitch *p = (M_AudioSwitch *) node;
	gf_sg_vrml_parent_destroy((GF_Node *) p);	
	gf_sg_mfint32_del(p->whichChoice);
	gf_sg_mfint32_del(p->phaseGroup);
	gf_node_free((GF_Node *) p);
}

static const u16 AudioSwitch_Def2All[] = { 2, 3, 4, 5};
static const u16 AudioSwitch_In2All[] = { 0, 1, 2, 3};
static const u16 AudioSwitch_Out2All[] = { 2, 3};

static u32 AudioSwitch_get_field_count(GF_Node *node, u8 IndexMode)
{
	switch(IndexMode) {
	case GF_SG_FIELD_CODING_IN: return 4;
	case GF_SG_FIELD_CODING_DEF: return 4;
	case GF_SG_FIELD_CODING_OUT: return 2;