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- /*
- * LAME DLL Sample Code.
- *
- * Copyright (c) 2000 A.L. Faber
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
- #include <windows.h>
- #include <stdio.h>
- #include <io.h>
- #include <fcntl.h>
- #include <sys/stat.h>
- #include "BladeMP3EncDLL.h"
-
- BEINITSTREAM beInitStream=NULL;
- BEENCODECHUNK beEncodeChunk=NULL;
- BEDEINITSTREAM beDeinitStream=NULL;
- BECLOSESTREAM beCloseStream=NULL;
- BEVERSION beVersion=NULL;
- BEWRITEVBRHEADER beWriteVBRHeader=NULL;
-
-
- // Main program
- int main(int argc, char *argv[])
- {
- HINSTANCE hDLL =NULL;
- FILE* pFileIn =NULL;
- FILE* pFileOut =NULL;
- BE_VERSION Version ={0,};
- BE_CONFIG beConfig ={0,};
-
- CHAR strFileIn[255] ={'0',};
- CHAR strFileOut[255] ={'0',};
-
- DWORD dwSamples =0;
- DWORD dwMP3Buffer =0;
- HBE_STREAM hbeStream =0;
- BE_ERR err =0;
-
- PBYTE pMP3Buffer =NULL;
- PSHORT pWAVBuffer =NULL;
-
- // check number of arguments
- if(argc != 2)
- {
- fprintf(stderr,"Usage: %s <filename.wav>\n", argv[0]);
- fprintf(stderr,"Descr: Short demo to show how to use the lame_enc.dll library file\n");
- fprintf(stderr,"Note : WAV file is assumed to to have the following parameters\n");
- fprintf(stderr," : 44100 Hz, stereo, 16 Bits per sample\n");
- return -1;
- }
-
- // Setup the file names
- strcpy(strFileIn ,argv[1]);
- strcpy(strFileOut,argv[1]);
-
- // Add mp3 extention
- strcat(strFileOut,".mp3");
-
- // Load lame_enc.dll library (Make sure though that you set the
- // project/settings/debug Working Directory correctly, otherwhise the DLL can't be loaded
-
- hDLL=LoadLibrary(".\\Debug\\lame_enc.dll");
-
- #ifdef _DEBUG
- hDLL=LoadLibrary(".\\Debug\\lame_enc.dll");
- #else
- hDLL=LoadLibrary(".\\Release\\lame_enc.dll");
- #endif
-
- if(hDLL==NULL)
- {
- fprintf(stderr,"Error loading lame_enc.DLL");
- return -1;
- }
-
- // Get Interface functions
- beInitStream = (BEINITSTREAM) GetProcAddress(hDLL, TEXT_BEINITSTREAM);
- beEncodeChunk = (BEENCODECHUNK) GetProcAddress(hDLL, TEXT_BEENCODECHUNK);
- beDeinitStream = (BEDEINITSTREAM) GetProcAddress(hDLL, TEXT_BEDEINITSTREAM);
- beCloseStream = (BECLOSESTREAM) GetProcAddress(hDLL, TEXT_BECLOSESTREAM);
- beVersion = (BEVERSION) GetProcAddress(hDLL, TEXT_BEVERSION);
- beWriteVBRHeader= (BEWRITEVBRHEADER) GetProcAddress(hDLL,TEXT_BEWRITEVBRHEADER);
-
- // Check if all interfaces are present
- if(!beInitStream || !beEncodeChunk || !beDeinitStream || !beCloseStream || !beVersion || !beWriteVBRHeader)
- {
-
- printf("Unable to get LAME interfaces");
- return -1;
- }
-
- // Get the version number
- beVersion(&Version);
-
- printf(
- "lame_enc.dll version %u.%02u (%u/%u/%u)\n"
- "lame_enc Engine %u.%02u\n"
- "lame_enc homepage at %s\n\n",
- Version.byDLLMajorVersion, Version.byDLLMinorVersion,
- Version.byDay, Version.byMonth, Version.wYear,
- Version.byMajorVersion, Version.byMinorVersion,
- Version.zHomepage);
-
- // Try to open the WAV file, be sure to open it as a binary file!
- pFileIn = fopen(strFileIn,"rb");
-
- // Check file open result
- if(pFileIn == NULL)
- {
- fprintf(stderr,"Error opening %s", argv[1]);
- return -1;
- }
-
- // Open MP3 file
- pFileOut= fopen(strFileOut,"wb+");
-
- // Check file open result
- if(pFileOut == NULL)
- {
- fprintf(stderr,"Error creating file %s", strFileOut);
- return -1;
- }
-
- memset(&beConfig,0,sizeof(beConfig)); // clear all fields
-
- // use the LAME config structure
- beConfig.dwConfig = BE_CONFIG_LAME;
-
- // this are the default settings for testcase.wav
- beConfig.format.LHV1.dwStructVersion = 1;
- beConfig.format.LHV1.dwStructSize = sizeof(beConfig);
- beConfig.format.LHV1.dwSampleRate = 44100; // INPUT FREQUENCY
- beConfig.format.LHV1.dwReSampleRate = 0; // DON"T RESAMPLE
- beConfig.format.LHV1.nMode = BE_MP3_MODE_JSTEREO; // OUTPUT IN STREO
- beConfig.format.LHV1.dwBitrate = 128; // MINIMUM BIT RATE
- beConfig.format.LHV1.nPreset = LQP_HIGH_QUALITY; // QUALITY PRESET SETTING
- beConfig.format.LHV1.dwMpegVersion = MPEG1; // MPEG VERSION (I or II)
- beConfig.format.LHV1.dwPsyModel = 0; // USE DEFAULT PSYCHOACOUSTIC MODEL
- beConfig.format.LHV1.dwEmphasis = 0; // NO EMPHASIS TURNED ON
- beConfig.format.LHV1.bOriginal = TRUE; // SET ORIGINAL FLAG
-
- // beConfig.format.LHV1.dwMaxBitrate = 320; // MAXIMUM BIT RATE
- // beConfig.format.LHV1.bCRC = TRUE; // INSERT CRC
- // beConfig.format.LHV1.bCopyright = TRUE; // SET COPYRIGHT FLAG
- // beConfig.format.LHV1.bPrivate = TRUE; // SET PRIVATE FLAG
- // beConfig.format.LHV1.bWriteVBRHeader = TRUE; // YES, WRITE THE XING VBR HEADER
- // beConfig.format.LHV1.bEnableVBR = TRUE; // USE VBR
- // beConfig.format.LHV1.nVBRQuality = 5; // SET VBR QUALITY
- beConfig.format.LHV1.bNoRes = TRUE; // No Bit resorvoir
-
- // Preset Test
- // beConfig.format.LHV1.nPreset = LQP_PHONE;
-
- // Init the MP3 Stream
- err = beInitStream(&beConfig, &dwSamples, &dwMP3Buffer, &hbeStream);
-
- // Check result
- if(err != BE_ERR_SUCCESSFUL)
- {
- fprintf(stderr,"Error opening encoding stream (%lu)", err);
- return -1;
- }
-
-
- // Allocate MP3 buffer
- pMP3Buffer = new BYTE[dwMP3Buffer];
-
- // Allocate WAV buffer
- pWAVBuffer = new SHORT[dwSamples];
-
- // Check if Buffer are allocated properly
- if(!pMP3Buffer || !pWAVBuffer)
- {
- printf("Out of memory");
- return -1;
- }
-
- DWORD dwRead=0;
- DWORD dwWrite=0;
- DWORD dwDone=0;
- DWORD dwFileSize=0;
-
- // Seek to end of file
- fseek(pFileIn,0,SEEK_END);
-
- // Get the file size
- dwFileSize=ftell(pFileIn);
-
- // Seek back to start of WAV file,
- // but skip the first 44 bytes, since that's the WAV header
- fseek(pFileIn,44,SEEK_SET);
-
-
- // Convert All PCM samples
- while ( (dwRead=fread(pWAVBuffer,sizeof(SHORT),dwSamples,pFileIn)) >0 )
- {
- // Encode samples
- err = beEncodeChunk(hbeStream, dwRead, pWAVBuffer, pMP3Buffer, &dwWrite);
-
- // Check result
- if(err != BE_ERR_SUCCESSFUL)
- {
- beCloseStream(hbeStream);
- fprintf(stderr,"beEncodeChunk() failed (%lu)", err);
- return -1;
- }
-
- // write dwWrite bytes that are returned in tehe pMP3Buffer to disk
- if(fwrite(pMP3Buffer,1,dwWrite,pFileOut) != dwWrite)
- {
- fprintf(stderr,"Output file write error");
- return -1;
- }
-
- dwDone += dwRead*sizeof(SHORT);
-
- printf("Done: %0.2f%% \r", 100 * (float)dwDone/(float)(dwFileSize));
- }
-
- // Deinit the stream
- err = beDeinitStream(hbeStream, pMP3Buffer, &dwWrite);
-
- // Check result
- if(err != BE_ERR_SUCCESSFUL)
- {
-
- beCloseStream(hbeStream);
- fprintf(stderr,"beExitStream failed (%lu)", err);
- return -1;
- }
-
- // Are there any bytes returned from the DeInit call?
- // If so, write them to disk
- if(dwWrite)
- {
- if(fwrite(pMP3Buffer,1,dwWrite,pFileOut) != dwWrite)
- {
- fprintf(stderr,"Output file write error");
- return -1;
- }
- }
-
- // close the MP3 Stream
- beCloseStream(hbeStream);
-
- // Delete WAV buffer
- delete [] pWAVBuffer;
-
- // Delete MP3 Buffer
- delete [] pMP3Buffer;
-
- // Close input file
- fclose(pFileIn);
-
- // Close output file
- fclose(pFileOut);
-
- // Write the VBR Tag
- beWriteVBRHeader(strFileOut);
-
- // Were done, return OK result
- return 0;
- }
-
-