ipmpx_code.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

{
	GF_IPMPX_CanProcess*p = (GF_IPMPX_CanProcess*)_p;
	p->canProcess = gf_bs_read_int(bs, 1);
	gf_bs_read_int(bs, 7);
	return GF_OK;
}
static u32 SizeGF_IPMPX_CanProcess(GF_IPMPX_Data *_p)
{
	return 1;
}
static GF_Err WriteGF_IPMPX_CanProcess(GF_BitStream *bs, GF_IPMPX_Data *_p)
{
	GF_IPMPX_CanProcess*p = (GF_IPMPX_CanProcess*)_p;
	gf_bs_write_int(bs, p->canProcess ? 1 : 0, 1);
	gf_bs_write_int(bs, 0, 7);
	return GF_OK;
}
static GF_IPMPX_Data *NewGF_IPMPX_OpaqueData(u8 tag)
{
	GF_IPMPX_OpaqueData*ptr;
	GF_IPMPX_DATA_ALLOC(ptr, GF_IPMPX_OpaqueData, tag);
	return (GF_IPMPX_Data *) ptr;
}
static void DelGF_IPMPX_OpaqueData(GF_IPMPX_Data *_p)
{
	GF_IPMPX_OpaqueData *p = (GF_IPMPX_OpaqueData*)_p;
	GF_IPMPX_DELETE_ARRAY(p->opaqueData);
	free(p);
}
static GF_Err ReadGF_IPMPX_OpaqueData(GF_BitStream *bs, GF_IPMPX_Data *_p, u32 size)
{
	GF_IPMPX_OpaqueData*p = (GF_IPMPX_OpaqueData*)_p;
	p->opaqueData = GF_IPMPX_GetByteArray(bs);
	return GF_OK;
}
static u32 SizeGF_IPMPX_OpaqueData(GF_IPMPX_Data *_p)
{
	GF_IPMPX_OpaqueData*p = (GF_IPMPX_OpaqueData*)_p;
	return GF_IPMPX_GetByteArraySize(p->opaqueData);
}
static GF_Err WriteGF_IPMPX_OpaqueData(GF_BitStream *bs, GF_IPMPX_Data *_p)
{
	GF_IPMPX_OpaqueData*p = (GF_IPMPX_OpaqueData*)_p;
	GF_IPMPX_WriteByteArray(bs, p->opaqueData);
	return GF_OK;
}
static GF_IPMPX_Data *NewGF_IPMPX_KeyData()
{
	GF_IPMPX_KeyData*ptr;
	GF_IPMPX_DATA_ALLOC(ptr, GF_IPMPX_KeyData, GF_IPMPX_KEY_DATA_TAG);
	return (GF_IPMPX_Data *) ptr;
}
static void DelGF_IPMPX_KeyData(GF_IPMPX_Data *_p)
{
	GF_IPMPX_KeyData*p = (GF_IPMPX_KeyData*)_p;
	GF_IPMPX_DELETE_ARRAY(p->keyBody);
	GF_IPMPX_DELETE_ARRAY(p->OpaqueData);
	free(p);
}
static GF_Err ReadGF_IPMPX_KeyData(GF_BitStream *bs, GF_IPMPX_Data *_p, u32 size)
{
	GF_IPMPX_KeyData*p = (GF_IPMPX_KeyData*)_p;
	p->keyBody = GF_IPMPX_GetByteArray(bs);
	p->flags = 0;
	if (gf_bs_read_int(bs, 1)) p->flags |= 1;
	if (gf_bs_read_int(bs, 1)) p->flags |= 1<<1;
	if (gf_bs_read_int(bs, 1)) p->flags |= 1<<2;
	if (gf_bs_read_int(bs, 1)) p->flags |= 1<<3;
	gf_bs_read_int(bs, 4);
	if (p->flags & (1)) p->startDTS = gf_bs_read_long_int(bs, 64);
	if (p->flags & (1<<1)) p->startPacketID = gf_bs_read_int(bs, 32);
	if (p->flags & (1<<2)) p->expireDTS = gf_bs_read_long_int(bs, 64);
	if (p->flags & (1<<3)) p->expirePacketID = gf_bs_read_int(bs, 32);
	p->OpaqueData = GF_IPMPX_GetByteArray(bs);
	return GF_OK;
}
static u32 SizeGF_IPMPX_KeyData(GF_IPMPX_Data *_p)
{
	u32 size = 0;
	GF_IPMPX_KeyData*p = (GF_IPMPX_KeyData*)_p;
	size += GF_IPMPX_GetByteArraySize(p->keyBody);
	size += 1;
	if (p->flags & (1)) size += 8;
	if (p->flags & (1<<1)) size += 4;
	if (p->flags & (1<<2)) size += 8;
	if (p->flags & (1<<3)) size += 4;
	size += GF_IPMPX_GetByteArraySize(p->OpaqueData);
	return size;
}
static GF_Err WriteGF_IPMPX_KeyData(GF_BitStream *bs, GF_IPMPX_Data *_p)
{
	GF_IPMPX_KeyData*p = (GF_IPMPX_KeyData*)_p;
	GF_IPMPX_WriteByteArray(bs, p->keyBody);
	gf_bs_write_int(bs, (p->flags & (1)) ? 1 : 0, 1);
	gf_bs_write_int(bs, (p->flags & (1<<1)) ? 1 : 0, 1);
	gf_bs_write_int(bs, (p->flags & (1<<2)) ? 1 : 0, 1);
	gf_bs_write_int(bs, (p->flags & (1<<3)) ? 1 : 0, 1);
	gf_bs_write_int(bs, 0, 4);
	if (p->flags & (1)) gf_bs_write_long_int(bs, p->startDTS, 64);
	if (p->flags & (1<<1)) gf_bs_write_int(bs, p->startPacketID, 32);
	if (p->flags & (1<<2)) gf_bs_write_long_int(bs, p->expireDTS, 64);
	if (p->flags & (1<<3)) gf_bs_write_int(bs, p->expirePacketID, 32);
	GF_IPMPX_WriteByteArray(bs, p->OpaqueData);
	return GF_OK;
}

static GF_IPMPX_Data *NewGF_IPMPX_SelectiveDecryptionInit()
{
	GF_IPMPX_SelectiveDecryptionInit*ptr;
	GF_IPMPX_DATA_ALLOC(ptr, GF_IPMPX_SelectiveDecryptionInit, GF_IPMPX_SEL_DEC_INIT_TAG);
	ptr->SelEncBuffer = gf_list_new();
	ptr->SelEncFields = gf_list_new();
	return (GF_IPMPX_Data *) ptr;
}
static void DelGF_IPMPX_SelectiveDecryptionInit(GF_IPMPX_Data *_p)
{
	GF_IPMPX_SelectiveDecryptionInit*p = (GF_IPMPX_SelectiveDecryptionInit*)_p;
	while (gf_list_count(p->SelEncBuffer)) {
		GF_IPMPX_SelEncBuffer *sb = (GF_IPMPX_SelEncBuffer *)gf_list_get(p->SelEncBuffer, 0);
		gf_list_rem(p->SelEncBuffer, 0);
		GF_IPMPX_DELETE_ARRAY(sb->Stream_Cipher_Specific_Init_Info);
		free(sb);
	}
	gf_list_del(p->SelEncBuffer);
	while (gf_list_count(p->SelEncFields)) {
		GF_IPMPX_SelEncField*sf = (GF_IPMPX_SelEncField*)gf_list_get(p->SelEncFields, 0);
		gf_list_rem(p->SelEncFields, 0);
		GF_IPMPX_DELETE_ARRAY(sf->shuffleSpecificInfo);
		if (sf->mappingTable) free(sf->mappingTable);
		free(sf);
	}
	gf_list_del(p->SelEncFields);
	if (p->RLE_Data) free(p->RLE_Data);
	free(p);
}
static GF_Err ReadGF_IPMPX_SelectiveDecryptionInit(GF_BitStream *bs, GF_IPMPX_Data *_p, u32 size)
{
	u32 count, i;
	Bool is_spec;
	GF_IPMPX_SelectiveDecryptionInit*p = (GF_IPMPX_SelectiveDecryptionInit*)_p;
	p->mediaTypeExtension = gf_bs_read_int(bs, 8);
	p->mediaTypeIndication = gf_bs_read_int(bs, 8);
	p->profileLevelIndication = gf_bs_read_int(bs, 8);
	p->compliance = gf_bs_read_int(bs, 8);
	count = gf_bs_read_int(bs, 8);
	while (count) {
		Bool is_block;
		GF_IPMPX_SelEncBuffer *sb;
		GF_SAFEALLOC(sb, GF_IPMPX_SelEncBuffer);
		gf_list_add(p->SelEncBuffer, sb);
		count--;
		gf_bs_read_data(bs, (char*)sb->cipher_Id, 16);
		sb->syncBoundary = gf_bs_read_int(bs, 8);
		is_block = gf_bs_read_int(bs, 1);
		gf_bs_read_int(bs, 7);
		if (is_block) {
			sb->mode = gf_bs_read_int(bs, 8);
			sb->blockSize = gf_bs_read_int(bs, 16);
			sb->keySize = gf_bs_read_int(bs, 16);
		} else {
			sb->Stream_Cipher_Specific_Init_Info = GF_IPMPX_GetByteArray(bs);
		}
	}
	is_spec = gf_bs_read_int(bs, 1);
	gf_bs_read_int(bs, 7);
	if (is_spec) {
		Bool is_map;
		count = gf_bs_read_int(bs, 8);
		while (count) {
			GF_IPMPX_SelEncField *sf;
			GF_SAFEALLOC(sf, GF_IPMPX_SelEncField);
			gf_list_add(p->SelEncFields, sf);
			count--;
			sf->field_Id = gf_bs_read_int(bs, 8);
			sf->field_Scope = gf_bs_read_int(bs, 3);
			gf_bs_read_int(bs, 5);
			sf->buf = gf_bs_read_int(bs, 8);
			is_map = gf_bs_read_int(bs, 1);
			gf_bs_read_int(bs, 7);
			if (is_map) {
				Bool sendMapTable = gf_bs_read_int(bs, 1);
				Bool isShuffled = gf_bs_read_int(bs, 1);
				gf_bs_read_int(bs, 6);
				if (sendMapTable) {
					sf->mappingTableSize = gf_bs_read_int(bs, 16);
					sf->mappingTable = (u16*)malloc(sizeof(u16) * sf->mappingTableSize);
					for (i=0; i<sf->mappingTableSize; i++) sf->mappingTable[i] = gf_bs_read_int(bs, 16);
				}
				if (isShuffled) sf->shuffleSpecificInfo = GF_IPMPX_GetByteArray(bs);
			}
		}
	} else {
		p->RLE_DataLength = gf_bs_read_int(bs, 16);
		p->RLE_Data = (u16*)malloc(sizeof(u16)*p->RLE_DataLength);
		for (i=0; i<p->RLE_DataLength; i++) p->RLE_Data[i] = gf_bs_read_int(bs, 16);
	}
	return GF_OK;
}
static u32 SizeGF_IPMPX_SelectiveDecryptionInit(GF_IPMPX_Data *_p)
{
	u32 size, i;
	GF_IPMPX_SelectiveDecryptionInit*p = (GF_IPMPX_SelectiveDecryptionInit*)_p;

	size = 5;
	for (i=0; i<gf_list_count(p->SelEncBuffer); i++) {
		GF_IPMPX_SelEncBuffer *sb = (GF_IPMPX_SelEncBuffer *)gf_list_get(p->SelEncBuffer, i);
		size += 18;
		if (sb->Stream_Cipher_Specific_Init_Info) {
			size += GF_IPMPX_GetByteArraySize(sb->Stream_Cipher_Specific_Init_Info);
		} else {
			size += 5;
		}
	}
	size += 1;
	if (p->RLE_Data) {
		size += 2 + 2*p->RLE_DataLength;
	} else {
		size += 1;
		for (i=0; i<gf_list_count(p->SelEncFields); i++) {
			GF_IPMPX_SelEncField *sf = (GF_IPMPX_SelEncField *)gf_list_get(p->SelEncFields, i);
			size += 4;
			if (sf->mappingTable || sf->shuffleSpecificInfo) {
				size += 1;
				if (sf->mappingTable) size += 2 + 2*sf->mappingTableSize;
				if (sf->shuffleSpecificInfo) size += GF_IPMPX_GetByteArraySize(sf->shuffleSpecificInfo);
			}
		}
	}
	return size;
}
static GF_Err WriteGF_IPMPX_SelectiveDecryptionInit(GF_BitStream *bs, GF_IPMPX_Data *_p)
{
	u32 count, i;
	GF_IPMPX_SelectiveDecryptionInit*p = (GF_IPMPX_SelectiveDecryptionInit*)_p;

	gf_bs_write_int(bs, p->mediaTypeExtension, 8);
	gf_bs_write_int(bs, p->mediaTypeIndication, 8);
	gf_bs_write_int(bs, p->profileLevelIndication, 8);
	gf_bs_write_int(bs, p->compliance, 8);

	count = gf_list_count(p->SelEncBuffer);
	gf_bs_write_int(bs, count, 8);
	for (i=0; i<count; i++) {
		GF_IPMPX_SelEncBuffer *sb = (GF_IPMPX_SelEncBuffer *)gf_list_get(p->SelEncBuffer, i);
		gf_bs_write_data(bs, (char*)sb->cipher_Id, 16);
		gf_bs_write_int(bs, sb->syncBoundary, 8);
		gf_bs_write_int(bs, sb->Stream_Cipher_Specific_Init_Info ? 0 : 1, 1);
		gf_bs_write_int(bs, 0, 7);
		if (sb->Stream_Cipher_Specific_Init_Info) {
			GF_IPMPX_WriteByteArray(bs, sb->Stream_Cipher_Specific_Init_Info);
		} else {
			gf_bs_write_int(bs, sb->mode, 8);
			gf_bs_write_int(bs, sb->blockSize, 16);
			gf_bs_write_int(bs, sb->keySize, 16);
		}
	}
	gf_bs_write_int(bs, p->RLE_Data ? 0 : 1, 1);
	gf_bs_write_int(bs, 0, 7);
	if (p->RLE_Data) {
		gf_bs_write_int(bs, p->RLE_DataLength, 16);
		for (i=0; i<p->RLE_DataLength; i++) gf_bs_write_int(bs, p->RLE_Data[i], 16);
	} else {
		count = gf_list_count(p->SelEncFields);
		gf_bs_write_int(bs, count, 8);
		for (i=0; i<count; i++) {
			GF_IPMPX_SelEncField *sf = (GF_IPMPX_SelEncField *)gf_list_get(p->SelEncFields, i);
			gf_bs_write_int(bs, sf->field_Id, 8);
			gf_bs_write_int(bs, sf->field_Scope, 3);
			gf_bs_write_int(bs, 0, 5);
			gf_bs_write_int(bs, sf->buf, 8);
			gf_bs_write_int(bs, (sf->mappingTable || sf->shuffleSpecificInfo) ? 1 : 0, 1);
			gf_bs_write_int(bs, 0, 7);
			if (sf->mappingTable || sf->shuffleSpecificInfo) {
				gf_bs_write_int(bs, sf->mappingTable ? 1 : 0, 1);
				gf_bs_write_int(bs, sf->shuffleSpecificInfo ? 1 : 0, 1);
				gf_bs_write_int(bs, 0, 6);
				if (sf->mappingTable) {
					gf_bs_write_int(bs, sf->mappingTableSize, 16);
					for (i=0; i<sf->mappingTableSize; i++) gf_bs_write_int(bs, sf->mappingTable[i], 16);
				}
				if (sf->shuffleSpecificInfo) GF_IPMPX_WriteByteArray(bs, sf->shuffleSpecificInfo);
			}
		}
	}
	return GF_OK;
}
static GF_IPMPX_Data *NewGF_IPMPX_WatermarkingInit(u8 tag)
{
	GF_IPMPX_WatermarkingInit *ptr;
	GF_IPMPX_DATA_ALLOC(ptr, GF_IPMPX_WatermarkingInit, tag);
	return (GF_IPMPX_Data *) ptr;
}
static void DelGF_IPMPX_WatermarkingInit(GF_IPMPX_Data *_p)
{
	GF_IPMPX_WatermarkingInit *p = (GF_IPMPX_WatermarkingInit*)_p;
	if (p->wmPayload) free(p->wmPayload);
	if (p->opaqueData) free(p->opaqueData);
	free(p);
}
static GF_Err ReadGF_IPMPX_WatermarkingInit(GF_BitStream *bs, GF_IPMPX_Data *_p, u32 size)
{
	Bool has_opaque_data;
	GF_IPMPX_WatermarkingInit *p = (GF_IPMPX_WatermarkingInit*)_p;

	p->inputFormat = gf_bs_read_int(bs, 8);
	p->requiredOp = gf_bs_read_int(bs, 4);
	has_opaque_data = gf_bs_read_int(bs, 1);
	gf_bs_read_int(bs, 3);
	if (p->inputFormat==0x01) {
		if (p->tag == GF_IPMPX_AUDIO_WM_INIT_TAG) {
			p->nChannels = gf_bs_read_int(bs, 8);
			p->bitPerSample = gf_bs_read_int(bs, 8);
			p->frequency = gf_bs_read_int(bs, 32);
		} else {
			p->frame_horizontal_size = gf_bs_read_int(bs, 16);
			p->frame_vertical_size = gf_bs_read_int(bs, 16);
			p->chroma_format = gf_bs_read_int(bs, 8);
		}
	}
	switch (p->requiredOp) {
	case GF_IPMPX_WM_INSERT:
	case GF_IPMPX_WM_REMARK:
		p->wmPayloadLen = gf_bs_read_int(bs, 16);
		p->wmPayload = (char*)malloc(sizeof(u8) * p->wmPayloadLen);
		gf_bs_read_data(bs, p->wmPayload, p->wmPayloadLen);
		break;
	case GF_IPMPX_WM_EXTRACT:
	case GF_IPMPX_WM_DETECT_COMPRESSION:
		p->wmRecipientId = gf_bs_read_int(bs, 16);
		break;
	}
	if (has_opaque_data) {
		p->opaqueDataSize = gf_bs_read_int(bs, 16);
		p->opaqueData = (char*)malloc(sizeof(u8) * p->wmPayloadLen);
		gf_bs_read_data(bs, p->opaqueData, p->opaqueDataSize);
	}
	return GF_OK;
}
static u32 SizeGF_IPMPX_WatermarkingInit(GF_IPMPX_Data *_p)
{
	u32 size;
	GF_IPMPX_WatermarkingInit *p = (GF_IPMPX_WatermarkingInit*)_p;
	size = 2;
	if (p->inputFormat==0x01) size += (p->tag == GF_IPMPX_AUDIO_WM_INIT_TAG) ? 6 : 5;
	switch (p->requiredOp) {
	case GF_IPMPX_WM_INSERT:
	case GF_IPMPX_WM_REMARK:
		size += 2+p->wmPayloadLen;
		break;
	case GF_IPMPX_WM_EXTRACT:
	case GF_IPMPX_WM_DETECT_COMPRESSION:
		size += 2;
		break;
	}
	if (p->opaqueData) size += p->opaqueDataSize + 2;
	return size;
}
static GF_Err WriteGF_IPMPX_WatermarkingInit(GF_BitStream *bs, GF_IPMPX_Data *_p)
{
	GF_IPMPX_WatermarkingInit*p = (GF_IPMPX_WatermarkingInit*)_p;

	gf_bs_write_int(bs, p->inputFormat, 8);
	gf_bs_write_int(bs, p->requiredOp, 4);
	gf_bs_write_int(bs, p->opaqueData ? 1 : 0, 1);
	gf_bs_write_int(bs, 0, 3);
	if (p->inputFormat==0x01) {
		if (p->tag == GF_IPMPX_AUDIO_WM_INIT_TAG) {
			gf_bs_write_int(bs, p->nChannels, 8);
			gf_bs_write_int(bs, p->bitPerSample, 8);
			gf_bs_write_int(bs, p->frequency, 32);
		} else {
			gf_bs_write_int(bs, p->frame_horizontal_size, 16);
			gf_bs_write_int(bs, p->frame_vertical_size, 16);
			gf_bs_write_int(bs, p->chroma_format, 8);
		}
	}
	switch (p->requiredOp) {
	case GF_IPMPX_WM_INSERT:
	case GF_IPMPX_WM_REMARK:
		gf_bs_write_int(bs, p->wmPayloadLen, 16);
		gf_bs_write_data(bs, p->wmPayload, p->wmPayloadLen);
		break;
	case GF_IPMPX_WM_EXTRACT:
	case GF_IPMPX_WM_DETECT_COMPRESSION:
		gf_bs_write_int(bs, p->wmRecipientId, 16);
		break;
	}
	if (p->opaqueData) {
		gf_bs_write_int(bs, p->opaqueDataSize, 16);