コード例 #1
0
/**
   char* upload_pick(void* data)

   If applicable, brings up a file chooser in which the user selects a file
   to upload for a particular task.  If the file is valid for the given action,
   returns the string to the full path filename, else returns NULL.
   Data is the load filter for the type of file as defined in LLFilePicker.
**/
const std::string upload_pick(void* data)
{
 	if( gAgent.cameraMouselook() )
	{
		gAgent.changeCameraToDefault();
		// This doesn't seem necessary. JC
		// display();
	}

	LLFilePicker::ELoadFilter type;
	if(data)
	{
		type = (LLFilePicker::ELoadFilter)((intptr_t)data);
	}
	else
	{
		type = LLFilePicker::FFLOAD_ALL;
	}

	LLFilePicker& picker = LLFilePicker::instance();
	if (!picker.getOpenFile(type))
	{
		llinfos << "Couldn't import objects from file" << llendl;
		return std::string();
	}

	
	const std::string& filename = picker.getFirstFile();
	std::string ext = gDirUtilp->getExtension(filename);

	//strincmp doesn't like NULL pointers
	if (ext.empty())
	{
		std::string short_name = gDirUtilp->getBaseFileName(filename);
		
		// No extension
		LLSD args;
		args["FILE"] = short_name;
		LLNotifications::instance().add("NoFileExtension", args);
		return std::string();
	}
	else
	{
		//so there is an extension
		//loop over the valid extensions and compare to see
		//if the extension is valid

		//now grab the set of valid file extensions
		std::string valid_extensions = build_extensions_string(type);

		BOOL ext_valid = FALSE;
		
		typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
		boost::char_separator<char> sep(" ");
		tokenizer tokens(valid_extensions, sep);
		tokenizer::iterator token_iter;

		//now loop over all valid file extensions
		//and compare them to the extension of the file
		//to be uploaded
		for( token_iter = tokens.begin();
			 token_iter != tokens.end() && ext_valid != TRUE;
			 ++token_iter)
		{
			const std::string& cur_token = *token_iter;

			if (cur_token == ext || cur_token == "*.*")
			{
				//valid extension
				//or the acceptable extension is any
				ext_valid = TRUE;
			}
		}//end for (loop over all tokens)

		if (ext_valid == FALSE)
		{
			//should only get here if the extension exists
			//but is invalid
			LLSD args;
			args["EXTENSION"] = ext;
			args["VALIDS"] = valid_extensions;
			LLNotifications::instance().add("InvalidFileExtension", args);
			return NULL;
		}
	}//end else (non-null extension)

	//valid file extension
	
	//now we check to see
	//if the file is actually a valid image/sound/etc.
	if (type == LLFilePicker::FFLOAD_WAV)
	{
		// pre-qualify wavs to make sure the format is acceptable
		std::string error_msg;
		if (check_for_invalid_wav_formats(filename,error_msg))
		{
			llinfos << error_msg << ": " << filename << llendl;
			LLSD args;
			args["FILE"] = filename;
			LLNotifications::instance().add( error_msg, args );
			return std::string();
		}
	}//end if a wave/sound file

	
	return filename;
}
コード例 #2
0
/**
   char* upload_pick(void* data)

   If applicable, brings up a file chooser in which the user selects a file
   to upload for a particular task.  If the file is valid for the given action,
   returns the string to the full path filename, else returns NULL.
   Data is the load filter for the type of file as defined in LLFilePicker.
**/
const char* upload_pick(void* data)
{
 	if( gAgent.cameraMouselook() )
	{
		gAgent.changeCameraToDefault();
		// This doesn't seem necessary. JC
		// display();
	}

	LLFilePicker::ELoadFilter type;
	if(data)
	{
		type = (LLFilePicker::ELoadFilter)((intptr_t)data);
	}
	else
	{
		type = LLFilePicker::FFLOAD_ALL;
	}

	LLFilePicker& picker = LLFilePicker::instance();
	if (!picker.getOpenFile(type))
	{
		llinfos << "Couldn't import objects from file" << llendl;
		return NULL;
	}

 	const char* filename = picker.getFirstFile();
	const char* ext = strrchr(filename, '.');

	//strincmp doesn't like NULL pointers
	if (ext == NULL)
	{
		const char* short_name = strrchr(filename,
										 *gDirUtilp->getDirDelimiter().c_str());
		
		// No extension
		LLStringBase<char>::format_map_t args;
		args["[FILE]"] = LLString(short_name + 1);
		gViewerWindow->alertXml("NoFileExtension", args);
		return NULL;
	}
	else
	{
		//so there is an extension
		//loop over the valid extensions and compare to see
		//if the extension is valid

		//now grab the set of valid file extensions
		const char* valids = build_extensions_string(type);
		std::string valid_extensions = std::string(valids);

		BOOL ext_valid = FALSE;
		
		typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
		boost::char_separator<char> sep(" ");
		tokenizer tokens(valid_extensions, sep);
		tokenizer::iterator token_iter;

		//now loop over all valid file extensions
		//and compare them to the extension of the file
		//to be uploaded
		for( token_iter = tokens.begin();
			 token_iter != tokens.end() && ext_valid != TRUE;
			 ++token_iter)
		{
			const char* cur_token = token_iter->c_str();

			if (0 == strnicmp(cur_token, ext, strlen(cur_token)) ||		/* Flawfinder: ignore */
				0 == strnicmp(cur_token, "*.*", strlen(cur_token))) 		/* Flawfinder: ignore */
			{
				//valid extension
				//or the acceptable extension is any
				ext_valid = TRUE;
			}
		}//end for (loop over all tokens)

		if (ext_valid == FALSE)
		{
			//should only get here if the extension exists
			//but is invalid
			LLStringBase<char>::format_map_t args;
			args["[EXTENSION]"] = ext;
			args["[VALIDS]"] = valids;
			gViewerWindow->alertXml("InvalidFileExtension", args);
			return NULL;
		}
	}//end else (non-null extension)

	//valid file extension
	
	//now we check to see
	//if the file is actually a valid image/sound/etc.
	if (type == LLFilePicker::FFLOAD_WAV)
	{
		// pre-qualify wavs to make sure the format is acceptable
		char error_msg[MAX_STRING];		/* Flawfinder: ignore */	
		if (check_for_invalid_wav_formats(filename,error_msg))
		{
			llinfos << error_msg << ": " << filename << llendl;
			LLStringBase<char>::format_map_t args;
			args["[FILE]"] = filename;
			gViewerWindow->alertXml( error_msg, args );
			return NULL;
		}
	}//end if a wave/sound file

	
	return filename;
}
コード例 #3
0
S32 encode_vorbis_file(const std::string& in_fname, const std::string& out_fname)
{
#define READ_BUFFER 1024
	unsigned char readbuffer[READ_BUFFER*4+44];   /* out of the data segment, not the stack */	/*Flawfinder: ignore*/

	ogg_stream_state os; /* take physical pages, weld into a logical stream of packets */
	ogg_page         og; /* one Ogg bitstream page.  Vorbis packets are inside */
	ogg_packet       op; /* one raw packet of data for decode */
	
	vorbis_info      vi; /* struct that stores all the static vorbis bitstream settings */
	vorbis_comment   vc; /* struct that stores all the user comments */
	
	vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
	vorbis_block     vb; /* local working space for packet->PCM decode */
	
	int eos=0;
	int result;

	U16 num_channels = 0;
	U32 sample_rate = 0;
	U32 bits_per_sample = 0;

	S32 format_error = 0;
	std::string error_msg;
	if ((format_error = check_for_invalid_wav_formats(in_fname, error_msg)))
	{
		llwarns << error_msg << ": " << in_fname << llendl;
		return(format_error);
	}

#if 1
	unsigned char wav_header[44];	/*Flawfinder: ignore*/

	S32 data_left = 0;

	LLAPRFile infile ;
	infile.open(in_fname,LL_APR_RB);
	if (!infile.getFileHandle())
	{
		llwarns << "Couldn't open temporary ogg file for writing: " << in_fname
			<< llendl;
		return(LLVORBISENC_SOURCE_OPEN_ERR);
	}

	LLAPRFile outfile ;
	outfile.open(out_fname,LL_APR_WPB);
	if (!outfile.getFileHandle())
	{
		llwarns << "Couldn't open upload sound file for reading: " << in_fname
			<< llendl;
		return(LLVORBISENC_DEST_OPEN_ERR);
	}
	
	 // parse the chunks
	 U32 chunk_length = 0;
	 U32 file_pos = 12;  // start at the first chunk (usually fmt but not always)
	 
	 while (infile.eof() != APR_EOF)
	 {
		 infile.seek(APR_SET,file_pos);
		 infile.read(wav_header, 44);
		 
		 chunk_length = ((U32) wav_header[7] << 24) 
			 + ((U32) wav_header[6] << 16) 
			 + ((U32) wav_header[5] << 8) 
			 + wav_header[4];
		 
//		 llinfos << "chunk found: '" << wav_header[0] << wav_header[1] << wav_header[2] << wav_header[3] << "'" << llendl;
		 
		 if (!(strncmp((char *)&(wav_header[0]),"fmt ",4)))
		 {
			 num_channels = ((U16) wav_header[11] << 8) + wav_header[10];
			 sample_rate = ((U32) wav_header[15] << 24) 
				 + ((U32) wav_header[14] << 16) 
				 + ((U32) wav_header[13] << 8) 
				 + wav_header[12];
			 bits_per_sample = ((U16) wav_header[23] << 8) + wav_header[22];
		 }
	 	 else if (!(strncmp((char *)&(wav_header[0]),"data",4)))
		 {
			 infile.seek(APR_SET,file_pos+8);
			 // leave the file pointer at the beginning of the data chunk data
			 data_left = chunk_length;			
			 break;
		 }
		 file_pos += (chunk_length + 8);
		 chunk_length = 0;
	 } 
	 

	 /********** Encode setup ************/
	 
	 /* choose an encoding mode */
	 /* (mode 0: 44kHz stereo uncoupled, roughly 128kbps VBR) */
	 vorbis_info_init(&vi);

	 // always encode to mono

	 // SL-52913 & SL-53779 determined this quality level to be our 'good
	 // enough' general-purpose quality level with a nice low bitrate.
	 // Equivalent to oggenc -q0.5
	 F32 quality = 0.05f;
//	 quality = (bitrate==128000 ? 0.4f : 0.1);

//	 if (vorbis_encode_init(&vi, /* num_channels */ 1 ,sample_rate, -1, bitrate, -1))
	 if (vorbis_encode_init_vbr(&vi, /* num_channels */ 1 ,sample_rate, quality))
//	 if (vorbis_encode_setup_managed(&vi,1,sample_rate,-1,bitrate,-1) ||
//		vorbis_encode_ctl(&vi,OV_ECTL_RATEMANAGE_AVG,NULL) ||
//		vorbis_encode_setup_init(&vi))
	{
		llwarns << "unable to initialize vorbis codec at quality " << quality << llendl;
		//		llwarns << "unable to initialize vorbis codec at bitrate " << bitrate << llendl;
		return(LLVORBISENC_DEST_OPEN_ERR);
	}
	 
	 /* add a comment */
	 vorbis_comment_init(&vc);
//	 vorbis_comment_add(&vc,"Linden");
	 
	 /* set up the analysis state and auxiliary encoding storage */
	 vorbis_analysis_init(&vd,&vi);
	 vorbis_block_init(&vd,&vb);
	 
	 /* set up our packet->stream encoder */
	 /* pick a random serial number; that way we can more likely build
		chained streams just by concatenation */
	 ogg_stream_init(&os, ll_rand());
	 
	 /* Vorbis streams begin with three headers; the initial header (with
		most of the codec setup parameters) which is mandated by the Ogg
		bitstream spec.  The second header holds any comment fields.  The
		third header holds the bitstream codebook.  We merely need to
		make the headers, then pass them to libvorbis one at a time;
		libvorbis handles the additional Ogg bitstream constraints */
	 
	 {
		 ogg_packet header;
		 ogg_packet header_comm;
		 ogg_packet header_code;
		 
		 vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
		 ogg_stream_packetin(&os,&header); /* automatically placed in its own
											  page */
		 ogg_stream_packetin(&os,&header_comm);
		 ogg_stream_packetin(&os,&header_code);
		 
		 /* We don't have to write out here, but doing so makes streaming 
		  * much easier, so we do, flushing ALL pages. This ensures the actual
		  * audio data will start on a new page
		  */
		 while(!eos){
			 int result=ogg_stream_flush(&os,&og);
			 if(result==0)break;
			 outfile.write(og.header, og.header_len);
			 outfile.write(og.body, og.body_len);
		 }
		 
	 }
	 
	 
	 while(!eos)
	 {
		 long bytes_per_sample = bits_per_sample/8;

		 long bytes=(long)infile.read(readbuffer,llclamp((S32)(READ_BUFFER*num_channels*bytes_per_sample),0,data_left)); /* stereo hardwired here */
		 
		 if (bytes==0)
		 {
			 /* end of file.  this can be done implicitly in the mainline,
				but it's easier to see here in non-clever fashion.
				Tell the library we're at end of stream so that it can handle
				the last frame and mark end of stream in the output properly */

			 vorbis_analysis_wrote(&vd,0);
//			 eos = 1;
			 
		 }
		 else
		 {
			 long i;
			 long samples;
			 int temp;

			 data_left -= bytes;
             /* data to encode */
			 
			 /* expose the buffer to submit data */
			 float **buffer=vorbis_analysis_buffer(&vd,READ_BUFFER);
			
			 i = 0;
			 samples = bytes / (num_channels * bytes_per_sample);

			 if (num_channels == 2)
			 {
				 if (bytes_per_sample == 2)
				 {
					 /* uninterleave samples */
					 for(i=0; i<samples ;i++)
					 {
					 	 temp =  ((signed char *)readbuffer)[i*4+1];	/*Flawfinder: ignore*/
						 temp += ((signed char *)readbuffer)[i*4+3];	/*Flawfinder: ignore*/
						 temp <<= 8;
						 temp += readbuffer[i*4];
						 temp += readbuffer[i*4+2];

						 buffer[0][i] = ((float)temp) / 65536.f;
					 }
				 }
				 else // presume it's 1 byte per which is unsigned (F#@%ing wav "standard")
				 {
					 /* uninterleave samples */
					 for(i=0; i<samples ;i++)
					 {
					 	 temp  = readbuffer[i*2+0];
						 temp += readbuffer[i*2+1];
						 temp -= 256;
						 buffer[0][i] = ((float)temp) / 256.f;
					 }
				 } 
			 }
			 else if (num_channels == 1)
			 {
				 if (bytes_per_sample == 2)
				 {
					 for(i=0; i < samples ;i++)
					 {
					 	 temp = ((signed char*)readbuffer)[i*2+1];
						 temp <<= 8;
						 temp += readbuffer[i*2];
						 buffer[0][i] = ((float)temp) / 32768.f;
					 }
				 }
				 else // presume it's 1 byte per which is unsigned (F#@%ing wav "standard")
				 {
					 for(i=0; i < samples ;i++)
					 {
						 temp = readbuffer[i];
						 temp -= 128;
						 buffer[0][i] = ((float)temp) / 128.f;
					 }
				 }
			 }
				
			 /* tell the library how much we actually submitted */
			 vorbis_analysis_wrote(&vd,i);
		 }
			 
		 /* vorbis does some data preanalysis, then divvies up blocks for
			more involved (potentially parallel) processing.  Get a single
			block for encoding now */
		 while(vorbis_analysis_blockout(&vd,&vb)==1)
		 {
			 
			 /* analysis */
			/* Do the main analysis, creating a packet */
			vorbis_analysis(&vb, NULL);
			vorbis_bitrate_addblock(&vb);

			while(vorbis_bitrate_flushpacket(&vd, &op)) 
			{
			 
			 /* weld the packet into the bitstream */
			 ogg_stream_packetin(&os,&op);
			 
			 /* write out pages (if any) */
			 while(!eos)
			 {
				 result = ogg_stream_pageout(&os,&og);

				 if(result==0)
				 	break;

				 outfile.write(og.header, og.header_len);
				 outfile.write(og.body, og.body_len);
				 
				 /* this could be set above, but for illustrative purposes, I do
					it here (to show that vorbis does know where the stream ends) */
				 
				 if(ogg_page_eos(&og))
				 	eos=1;
				 
			 }
			}
		 }
	 }
	 
	 
	 
	 /* clean up and exit.  vorbis_info_clear() must be called last */
	 
	 ogg_stream_clear(&os);
	 vorbis_block_clear(&vb);
	 vorbis_dsp_clear(&vd);
	 vorbis_comment_clear(&vc);
	 vorbis_info_clear(&vi);
	 
	 /* ogg_page and ogg_packet structs always point to storage in
		libvorbis.  They're never freed or manipulated directly */
	 
//	 fprintf(stderr,"Vorbis encoding: Done.\n");
	 llinfos << "Vorbis encoding: Done." << llendl;
	 
#endif
	 return(LLVORBISENC_NOERR);
	 
}
コード例 #4
0
bool AIFileUpload::is_valid(std::string const& filename, ELoadFilter type)
{
	std::string ext = gDirUtilp->getExtension(filename);

	//strincmp doesn't like NULL pointers
	if (ext.empty())
	{
		std::string short_name = gDirUtilp->getBaseFileName(filename);
		
		// No extension
		LLSD args;
		args["FILE"] = short_name;
		LLNotificationsUtil::add("NoFileExtension", args);
		return false;
	}
	else
	{
		//so there is an extension
		//loop over the valid extensions and compare to see
		//if the extension is valid

		//now grab the set of valid file extensions
		std::string valid_extensions = build_extensions_string(type);

		BOOL ext_valid = FALSE;
		
		typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
		boost::char_separator<char> sep(" ");
		tokenizer tokens(valid_extensions, sep);
		tokenizer::iterator token_iter;

		//now loop over all valid file extensions
		//and compare them to the extension of the file
		//to be uploaded
		for( token_iter = tokens.begin();
			 token_iter != tokens.end() && ext_valid != TRUE;
			 ++token_iter)
		{
			const std::string& cur_token = *token_iter;

			if (cur_token == ext || cur_token == "*.*")
			{
				//valid extension
				//or the acceptable extension is any
				ext_valid = TRUE;
			}
		}//end for (loop over all tokens)

		if (ext_valid == FALSE)
		{
			//should only get here if the extension exists
			//but is invalid
			LLSD args;
			args["EXTENSION"] = ext;
			args["VALIDS"] = valid_extensions;
			LLNotificationsUtil::add("InvalidFileExtension", args);
			return false;
		}
	}//end else (non-null extension)

	//valid file extension
	
	//now we check to see
	//if the file is actually a valid image/sound/etc.
	//Consider completely disabling this, see how SL handles it. Maybe we can get full song uploads again! -HgB
	if (type == FFLOAD_WAV)
	{
		// pre-qualify wavs to make sure the format is acceptable
		std::string error_msg;
		if (check_for_invalid_wav_formats(filename,error_msg))
		{
			llinfos << error_msg << ": " << filename << llendl;
			LLSD args;
			args["FILE"] = filename;
			LLNotifications::instance().add( error_msg, args );
			return false;
		}
	}//end if a wave/sound file

	return true;
}