/* * Blade DLL Interface for LAME. * * Copyright (c) 1999 - 2002 A.L. Faber * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library 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 #include #include "BladeMP3EncDLL.h" #include #include #include #ifdef __cplusplus extern "C" { #endif #define Min(A, B) ((A) < (B) ? (A) : (B)) #define Max(A, B) ((A) > (B) ? (A) : (B)) #define _RELEASEDEBUG 0 // lame_enc DLL version number const BYTE MAJORVERSION = 1; const BYTE MINORVERSION = 32; // Local variables static DWORD dwSampleBufferSize = 0; static HMODULE gs_hModule = NULL; static BOOL gs_bLogFile = FALSE; static lame_global_flags* gfp_save = NULL; // Local function prototypes static void dump_config(lame_global_flags* gfp); static void DebugPrintf(const char* pzFormat, ...); static void DispErr(wchar_t const* strErr); static void PresetOptions(lame_global_flags* gfp, LONG myPreset); static void DebugPrintf(const char* pzFormat, ...) { char szBuffer[1024] = { '\0', }; char szFileName[MAX_PATH + 1] = { '\0', }; va_list ap; // Get the full module (DLL) file name GetModuleFileNameA(gs_hModule, szFileName, sizeof(szFileName)); // change file name extention szFileName[strlen(szFileName) - 3] = 't'; szFileName[strlen(szFileName) - 2] = 'x'; szFileName[strlen(szFileName) - 1] = 't'; // start at beginning of the list va_start(ap, pzFormat); // copy it to the string buffer _vsnprintf(szBuffer, sizeof(szBuffer), pzFormat, ap); // log it to the file? if (gs_bLogFile) { FILE* fp = NULL; // try to open the log file fp = fopen(szFileName, "a+"); // check file open result if (fp) { // write string to the file fputs(szBuffer, fp); // close the file fclose(fp); } } #if defined _DEBUG || defined _RELEASEDEBUG OutputDebugStringA(szBuffer); #endif va_end(ap); } static void PresetOptions(lame_global_flags* gfp, LONG myPreset) { switch (myPreset) { /*-1*/case LQP_NOPRESET: break; /*0*/case LQP_NORMAL_QUALITY: /* lame_set_quality( gfp, 5 );*/ break; /*1*/case LQP_LOW_QUALITY: lame_set_quality(gfp, 9); break; /*2*/case LQP_HIGH_QUALITY: lame_set_quality(gfp, 2); break; /*3*/case LQP_VOICE_QUALITY: // --voice flag for experimental voice mode lame_set_mode(gfp, MONO); lame_set_preset(gfp, 56); break; /*4*/case LQP_R3MIX: // --R3MIX lame_set_preset(gfp, R3MIX); break; /*5*/case LQP_VERYHIGH_QUALITY: lame_set_quality(gfp, 0); break; /*6*/case LQP_STANDARD: // --PRESET STANDARD lame_set_preset(gfp, STANDARD); break; /*7*/case LQP_FAST_STANDARD: // --PRESET FAST STANDARD lame_set_preset(gfp, STANDARD_FAST); break; /*8*/case LQP_EXTREME: // --PRESET EXTREME lame_set_preset(gfp, EXTREME); break; /*9*/case LQP_FAST_EXTREME: // --PRESET FAST EXTREME: lame_set_preset(gfp, EXTREME_FAST); break; /*10*/case LQP_INSANE: // --PRESET INSANE lame_set_preset(gfp, INSANE); break; /*11*/case LQP_ABR: // --PRESET ABR // handled in beInitStream break; /*12*/case LQP_CBR: // --PRESET CBR // handled in beInitStream break; /*13*/case LQP_MEDIUM: // --PRESET MEDIUM lame_set_preset(gfp, MEDIUM); break; /*14*/case LQP_FAST_MEDIUM: // --PRESET FAST MEDIUM lame_set_preset(gfp, MEDIUM_FAST); break; /*1000*/case LQP_PHONE: lame_set_mode(gfp, MONO); lame_set_preset(gfp, 16); break; /*2000*/case LQP_SW: lame_set_mode(gfp, MONO); lame_set_preset(gfp, 24); break; /*3000*/case LQP_AM: lame_set_mode(gfp, MONO); lame_set_preset(gfp, 40); break; /*4000*/case LQP_FM: lame_set_preset(gfp, 112); break; /*5000*/case LQP_VOICE: lame_set_mode(gfp, MONO); lame_set_preset(gfp, 56); break; /*6000*/case LQP_RADIO: lame_set_preset(gfp, 112); break; /*7000*/case LQP_TAPE: lame_set_preset(gfp, 112); break; /*8000*/case LQP_HIFI: lame_set_preset(gfp, 160); break; /*9000*/case LQP_CD: lame_set_preset(gfp, 192); break; /*10000*/case LQP_STUDIO: lame_set_preset(gfp, 256); break; } } __declspec(dllexport) BE_ERR beInitStream(PBE_CONFIG pbeConfig, PDWORD dwSamples, PDWORD dwBufferSize, PHBE_STREAM phbeStream) { int actual_bitrate; //2001-12-18 BE_CONFIG lameConfig = { 0, }; int nInitReturn = 0; lame_global_flags* gfp = NULL; // Init the global flags structure gfp = lame_init(); *phbeStream = (HBE_STREAM)gfp; // clear out structure memset(&lameConfig, 0x00, CURRENT_STRUCT_SIZE); // Check if this is a regular BLADE_ENCODER header if (pbeConfig->dwConfig != BE_CONFIG_LAME) { int nCRC = pbeConfig->format.mp3.bCRC; int nVBR = (nCRC >> 12) & 0x0F; // Copy parameter from old Blade structure lameConfig.format.LHV1.dwSampleRate = pbeConfig->format.mp3.dwSampleRate; //for low bitrates, LAME will automatically downsample for better //sound quality. Forcing output samplerate = input samplerate is not a good idea //unless the user specifically requests it: //lameConfig.format.LHV1.dwReSampleRate=pbeConfig->format.mp3.dwSampleRate; lameConfig.format.LHV1.nMode = (pbeConfig->format.mp3.byMode & 0x0F); lameConfig.format.LHV1.dwBitrate = pbeConfig->format.mp3.wBitrate; lameConfig.format.LHV1.bPrivate = pbeConfig->format.mp3.bPrivate; lameConfig.format.LHV1.bOriginal = pbeConfig->format.mp3.bOriginal; lameConfig.format.LHV1.bCRC = nCRC & 0x01; lameConfig.format.LHV1.bCopyright = pbeConfig->format.mp3.bCopyright; // Fill out the unknowns lameConfig.format.LHV1.dwStructSize = CURRENT_STRUCT_SIZE; lameConfig.format.LHV1.dwStructVersion = CURRENT_STRUCT_VERSION; // Get VBR setting from fourth nibble if (nVBR > 0) { lameConfig.format.LHV1.bWriteVBRHeader = TRUE; lameConfig.format.LHV1.bEnableVBR = TRUE; lameConfig.format.LHV1.nVBRQuality = nVBR - 1; } // Get Quality from third nibble lameConfig.format.LHV1.nPreset = ((nCRC >> 8) & 0x0F); } else { // Copy the parameters memcpy(&lameConfig, pbeConfig, pbeConfig->format.LHV1.dwStructSize); } // --------------- Set arguments to LAME encoder ------------------------- // Set input sample frequency lame_set_in_samplerate(gfp, lameConfig.format.LHV1.dwSampleRate); // disable INFO/VBR tag by default. // if this tag is used, the calling program must call beWriteVBRTag() // after encoding. But the original DLL documentation does not // require the // app to call beWriteVBRTag() unless they have specifically // set LHV1.bWriteVBRHeader=TRUE. Thus the default setting should // be disabled. lame_set_bWriteVbrTag(gfp, 0); //2001-12-18 Dibrom's ABR preset stuff if (lameConfig.format.LHV1.nPreset == LQP_ABR) // --ALT-PRESET ABR { actual_bitrate = lameConfig.format.LHV1.dwVbrAbr_bps / 1000; // limit range if (actual_bitrate > 320) { actual_bitrate = 320; } if (actual_bitrate < 8) { actual_bitrate = 8; } lame_set_preset(gfp, actual_bitrate); } // end Dibrom's ABR preset 2001-12-18 ****** START OF CBR if (lameConfig.format.LHV1.nPreset == LQP_CBR) // --ALT-PRESET CBR { actual_bitrate = lameConfig.format.LHV1.dwBitrate; lame_set_preset(gfp, actual_bitrate); lame_set_VBR(gfp, vbr_off); } // end Dibrom's CBR preset 2001-12-18 // The following settings only used when preset is not one of the LAME QUALITY Presets if ((int)lameConfig.format.LHV1.nPreset < (int)LQP_STANDARD) { switch (lameConfig.format.LHV1.nMode) { case BE_MP3_MODE_STEREO: lame_set_mode(gfp, STEREO); lame_set_num_channels(gfp, 2); break; case BE_MP3_MODE_JSTEREO: lame_set_mode(gfp, JOINT_STEREO); //lame_set_force_ms( gfp, bForceMS ); // no check box to force this? lame_set_num_channels(gfp, 2); break; case BE_MP3_MODE_MONO: lame_set_mode(gfp, MONO); lame_set_num_channels(gfp, 1); break; case BE_MP3_MODE_DUALCHANNEL: lame_set_mode(gfp, DUAL_CHANNEL); lame_set_num_channels(gfp, 2); break; default: { DebugPrintf("Invalid lameConfig.format.LHV1.nMode, value is %d\n", lameConfig.format.LHV1.nMode); return BE_ERR_INVALID_FORMAT_PARAMETERS; } } if (lameConfig.format.LHV1.bEnableVBR) { /* set VBR quality */ lame_set_VBR_q(gfp, lameConfig.format.LHV1.nVBRQuality); /* select proper VBR method */ switch (lameConfig.format.LHV1.nVbrMethod) { case VBR_METHOD_NONE: lame_set_VBR(gfp, vbr_off); break; case VBR_METHOD_DEFAULT: lame_set_VBR(gfp, vbr_default); break; case VBR_METHOD_OLD: lame_set_VBR(gfp, vbr_rh); break; case VBR_METHOD_MTRH: case VBR_METHOD_NEW: /* * the --vbr-mtrh commandline switch is obsolete. * now --vbr-mtrh is known as --vbr-new */ lame_set_VBR(gfp, vbr_mtrh); break; case VBR_METHOD_ABR: lame_set_VBR(gfp, vbr_abr); break; default: /* unsupported VBR method */ assert(FALSE); } } else { /* use CBR encoding method, so turn off VBR */ lame_set_VBR(gfp, vbr_off); } /* Set bitrate. (CDex users always specify bitrate=Min bitrate when using VBR) */ lame_set_brate(gfp, lameConfig.format.LHV1.dwBitrate); /* check if we have to use ABR, in order to backwards compatible, this * condition should still be checked indepedent of the nVbrMethod method */ if (lameConfig.format.LHV1.dwVbrAbr_bps > 0) { /* set VBR method to ABR */ lame_set_VBR(gfp, vbr_abr); /* calculate to kbps, round to nearest kbps */ lame_set_VBR_mean_bitrate_kbps(gfp, (lameConfig.format.LHV1.dwVbrAbr_bps + 500) / 1000); /* limit range */ if (lame_get_VBR_mean_bitrate_kbps(gfp) > 320) { lame_set_VBR_mean_bitrate_kbps(gfp, 320); } if (lame_get_VBR_mean_bitrate_kbps(gfp) < 8) { lame_set_VBR_mean_bitrate_kbps(gfp, 8); } } } // First set all the preset options if (LQP_NOPRESET != lameConfig.format.LHV1.nPreset) { PresetOptions(gfp, lameConfig.format.LHV1.nPreset); } // Set frequency resampling rate, if specified if (lameConfig.format.LHV1.dwReSampleRate > 0) { lame_set_out_samplerate(gfp, lameConfig.format.LHV1.dwReSampleRate); } switch (lameConfig.format.LHV1.nMode) { case BE_MP3_MODE_MONO: lame_set_mode(gfp, MONO); lame_set_num_channels(gfp, 1); break; default: break; } // Use strict ISO encoding? lame_set_strict_ISO(gfp, (lameConfig.format.LHV1.bStrictIso) ? 1 : 0); // Set copyright flag? if (lameConfig.format.LHV1.bCopyright) { lame_set_copyright(gfp, 1); } // Do we have to tag it as non original if (!lameConfig.format.LHV1.bOriginal) { lame_set_original(gfp, 0); } else { lame_set_original(gfp, 1); } // Add CRC? if (lameConfig.format.LHV1.bCRC) { lame_set_error_protection(gfp, 1); } else { lame_set_error_protection(gfp, 0); } // Set private bit? if (lameConfig.format.LHV1.bPrivate) { lame_set_extension(gfp, 1); } else { lame_set_extension(gfp, 0); } // Set VBR min bitrate, if specified if (lameConfig.format.LHV1.dwBitrate > 0) { lame_set_VBR_min_bitrate_kbps(gfp, lameConfig.format.LHV1.dwBitrate); } // Set Maxbitrate, if specified if (lameConfig.format.LHV1.dwMaxBitrate > 0) { lame_set_VBR_max_bitrate_kbps(gfp, lameConfig.format.LHV1.dwMaxBitrate); } // Set bit resovoir option if (lameConfig.format.LHV1.bNoRes) { lame_set_disable_reservoir(gfp, 1); } // check if the VBR tag is required if (lameConfig.format.LHV1.bWriteVBRHeader) { lame_set_bWriteVbrTag(gfp, 1); } else { lame_set_bWriteVbrTag(gfp, 0); } // Override Quality setting, use HIGHBYTE = NOT LOWBYTE to be backwards compatible if ((lameConfig.format.LHV1.nQuality & 0xFF) == ((~(lameConfig.format.LHV1.nQuality >> 8)) & 0xFF)) { lame_set_quality(gfp, lameConfig.format.LHV1.nQuality & 0xFF); } if (0 != (nInitReturn = lame_init_params(gfp))) { return nInitReturn; } //LAME encoding call will accept any number of samples. if (0 == lame_get_version(gfp)) { // For MPEG-II, only 576 samples per frame per channel *dwSamples = 576 * lame_get_num_channels(gfp); } else { // For MPEG-I, 1152 samples per frame per channel *dwSamples = 1152 * lame_get_num_channels(gfp); } // Set the input sample buffer size, so we know what we can expect dwSampleBufferSize = *dwSamples; // Set MP3 buffer size, conservative estimate *dwBufferSize = (DWORD)(1.25 * (*dwSamples / lame_get_num_channels(gfp)) + 7200); // For debugging purposes dump_config(gfp); // Everything went OK, thus return SUCCESSFUL return BE_ERR_SUCCESSFUL; } __declspec(dllexport) BE_ERR beFlushNoGap(HBE_STREAM hbeStream, PBYTE pOutput, PDWORD pdwOutput) { int nOutputSamples = 0; lame_global_flags* gfp = (lame_global_flags*)hbeStream; // Init the global flags structure nOutputSamples = lame_encode_flush_nogap(gfp, pOutput, LAME_MAXMP3BUFFER); if (nOutputSamples < 0) { *pdwOutput = 0; return BE_ERR_BUFFER_TOO_SMALL; } else { *pdwOutput = nOutputSamples; } return BE_ERR_SUCCESSFUL; } __declspec(dllexport) BE_ERR beDeinitStream(HBE_STREAM hbeStream, PBYTE pOutput, PDWORD pdwOutput) { int nOutputSamples = 0; lame_global_flags* gfp = (lame_global_flags*)hbeStream; nOutputSamples = lame_encode_flush(gfp, pOutput, 0); if (nOutputSamples < 0) { *pdwOutput = 0; return BE_ERR_BUFFER_TOO_SMALL; } else { *pdwOutput = nOutputSamples; } return BE_ERR_SUCCESSFUL; } __declspec(dllexport) BE_ERR beCloseStream(HBE_STREAM hbeStream) { lame_global_flags* gfp = (lame_global_flags*)hbeStream; // lame will be close in VbrWriteTag function if (!lame_get_bWriteVbrTag(gfp)) { // clean up of allocated memory lame_close(gfp); gfp_save = NULL; } else { gfp_save = (lame_global_flags*)hbeStream; } // DeInit encoder return BE_ERR_SUCCESSFUL; } __declspec(dllexport) VOID beVersion(PBE_VERSION pbeVersion) { // DLL Release date char lpszDate[20] = { '\0', }; char lpszTemp[5] = { '\0', }; lame_version_t lv = { 0, }; // Set DLL interface version pbeVersion->byDLLMajorVersion = MAJORVERSION; pbeVersion->byDLLMinorVersion = MINORVERSION; get_lame_version_numerical(&lv); // Set Engine version number (Same as Lame version) pbeVersion->byMajorVersion = (BYTE)lv.major; pbeVersion->byMinorVersion = (BYTE)lv.minor; pbeVersion->byAlphaLevel = (BYTE)lv.alpha; pbeVersion->byBetaLevel = (BYTE)lv.beta; #ifdef MMX_choose_table pbeVersion->byMMXEnabled = 1; #else pbeVersion->byMMXEnabled = 0; #endif memset(pbeVersion->btReserved, 0, sizeof(pbeVersion->btReserved)); // Get compilation date strcpy(lpszDate, __DATE__); // Get the first three character, which is the month strncpy(lpszTemp, lpszDate, 3); lpszTemp[3] = '\0'; pbeVersion->byMonth = 1; // Set month if (strcmp(lpszTemp, "Jan") == 0) pbeVersion->byMonth = 1; if (strcmp(lpszTemp, "Feb") == 0) pbeVersion->byMonth = 2; if (strcmp(lpszTemp, "Mar") == 0) pbeVersion->byMonth = 3; if (strcmp(lpszTemp, "Apr") == 0) pbeVersion->byMonth = 4; if (strcmp(lpszTemp, "May") == 0) pbeVersion->byMonth = 5; if (strcmp(lpszTemp, "Jun") == 0) pbeVersion->byMonth = 6; if (strcmp(lpszTemp, "Jul") == 0) pbeVersion->byMonth = 7; if (strcmp(lpszTemp, "Aug") == 0) pbeVersion->byMonth = 8; if (strcmp(lpszTemp, "Sep") == 0) pbeVersion->byMonth = 9; if (strcmp(lpszTemp, "Oct") == 0) pbeVersion->byMonth = 10; if (strcmp(lpszTemp, "Nov") == 0) pbeVersion->byMonth = 11; if (strcmp(lpszTemp, "Dec") == 0) pbeVersion->byMonth = 12; // Get day of month string (char [4..5]) pbeVersion->byDay = (BYTE)atoi(lpszDate + 4); // Get year of compilation date (char [7..10]) pbeVersion->wYear = (WORD)atoi(lpszDate + 7); memset(pbeVersion->zHomepage, 0x00, BE_MAX_HOMEPAGE); strcpy(pbeVersion->zHomepage, "http://www.mp3dev.org/"); } __declspec(dllexport) BE_ERR beEncodeChunk(HBE_STREAM hbeStream, DWORD nSamples, PSHORT pSamples, PBYTE pOutput, PDWORD pdwOutput) { // Encode it int dwSamples; int nOutputSamples = 0; lame_global_flags* gfp = (lame_global_flags*)hbeStream; dwSamples = nSamples / lame_get_num_channels(gfp); // old versions of lame_enc.dll required exactly 1152 samples // and worked even if nSamples accidently set to 2304 // simulate this behavoir: if (1 == lame_get_num_channels(gfp) && nSamples == 2304) { dwSamples /= 2; } if (1 == lame_get_num_channels(gfp)) { nOutputSamples = lame_encode_buffer(gfp, pSamples, pSamples, dwSamples, pOutput, 0); } else { nOutputSamples = lame_encode_buffer_interleaved(gfp, pSamples, dwSamples, pOutput, 0); } if (nOutputSamples < 0) { *pdwOutput = 0; return BE_ERR_BUFFER_TOO_SMALL; } else { *pdwOutput = (DWORD)nOutputSamples; } return BE_ERR_SUCCESSFUL; } // accept floating point audio samples, scaled to the range of a signed 16-bit // integer (within +/- 32768), in non-interleaved channels -- DSPguru, jd __declspec(dllexport) BE_ERR beEncodeChunkFloatS16NI(HBE_STREAM hbeStream, DWORD nSamples, PFLOAT buffer_l, PFLOAT buffer_r, PBYTE pOutput, PDWORD pdwOutput) { int nOutputSamples; lame_global_flags* gfp = (lame_global_flags*)hbeStream; nOutputSamples = lame_encode_buffer_float(gfp, buffer_l, buffer_r, nSamples, pOutput, 0); if (nOutputSamples >= 0) { *pdwOutput = (DWORD)nOutputSamples; } else { *pdwOutput = 0; return BE_ERR_BUFFER_TOO_SMALL; } return BE_ERR_SUCCESSFUL; } static int maybeSyncWord(FILE* fpStream) { unsigned char mp3_frame_header[4]; size_t nbytes = fread(mp3_frame_header, 1, sizeof(mp3_frame_header), fpStream); if (nbytes != sizeof(mp3_frame_header)) { return -1; } if (mp3_frame_header[0] != 0xffu) { return -1; /* doesn't look like a sync word */ } if ((mp3_frame_header[1] & 0xE0u) != 0xE0u) { return -1; /* doesn't look like a sync word */ } return 0; } static int skipId3v2(FILE* fpStream, size_t lametag_frame_size) { size_t nbytes; size_t id3v2TagSize = 0; unsigned char id3v2Header[10]; /* seek to the beginning of the stream */ if (fseek(fpStream, 0, SEEK_SET) != 0) { return -2; /* not seekable, abort */ } /* read 10 bytes in case there's an ID3 version 2 header here */ nbytes = fread(id3v2Header, 1, sizeof(id3v2Header), fpStream); if (nbytes != sizeof(id3v2Header)) { return -3; /* not readable, maybe opened Write-Only */ } /* does the stream begin with the ID3 version 2 file identifier? */ if (!strncmp((char*)id3v2Header, "ID3", 3)) { /* the tag size (minus the 10-byte header) is encoded into four * bytes where the most significant bit is clear in each byte */ id3v2TagSize = (((id3v2Header[6] & 0x7f) << 21) | ((id3v2Header[7] & 0x7f) << 14) | ((id3v2Header[8] & 0x7f) << 7) | (id3v2Header[9] & 0x7f)) + sizeof id3v2Header; } /* Seek to the beginning of the audio stream */ if (fseek(fpStream, id3v2TagSize, SEEK_SET) != 0) { return -2; } if (maybeSyncWord(fpStream) != 0) { return -1; } if (fseek(fpStream, id3v2TagSize + lametag_frame_size, SEEK_SET) != 0) { return -2; } if (maybeSyncWord(fpStream) != 0) { return -1; } /* OK, it seems we found our LAME-Tag/Xing frame again */ /* Seek to the beginning of the audio stream */ if (fseek(fpStream, id3v2TagSize, SEEK_SET) != 0) { return -2; } return 0; } static BE_ERR updateLameTagFrame(lame_global_flags* gfp, FILE* fpStream) { size_t n = lame_get_lametag_frame(gfp, 0, 0); /* ask for bufer size */ if (n > 0) { unsigned char* buffer = 0; size_t m = 1; if (0 != skipId3v2(fpStream, n)) { DispErr("Error updating LAME-tag frame:\n\n" "can't locate old frame\n"); return BE_ERR_INVALID_FORMAT_PARAMETERS; } buffer = (unsigned char*)malloc(n); if (buffer == 0) { DispErr("Error updating LAME-tag frame:\n\n" "can't allocate frame buffer\n"); return BE_ERR_INVALID_FORMAT_PARAMETERS; } /* Put it all to disk again */ n = lame_get_lametag_frame(gfp, buffer, n); if (n > 0) { m = fwrite(buffer, n, 1, fpStream); } free(buffer); if (m != 1) { DispErr("Error updating LAME-tag frame:\n\n" "couldn't write frame into file\n"); return BE_ERR_INVALID_FORMAT_PARAMETERS; } } return BE_ERR_SUCCESSFUL; } __declspec(dllexport) BE_ERR beWriteInfoTag(HBE_STREAM hbeStream, LPCSTR lpszFileName) { FILE* fpStream = NULL; BE_ERR beResult = BE_ERR_SUCCESSFUL; lame_global_flags* gfp = (lame_global_flags*)hbeStream; if (NULL != gfp) { // Do we have to write the VBR tag? if (lame_get_bWriteVbrTag(gfp)) { // Try to open the file fpStream = fopen(lpszFileName, "rb+"); // Check file open result if (NULL == fpStream) { beResult = BE_ERR_INVALID_FORMAT_PARAMETERS; DispErr("Error updating LAME-tag frame:\n\n" "can't open file for reading and writing\n"); } else { beResult = updateLameTagFrame(gfp, fpStream); // Close the file stream fclose(fpStream); } } // clean up of allocated memory lame_close(gfp); } else { beResult = BE_ERR_INVALID_FORMAT_PARAMETERS; } // return result return beResult; } // for backwards compatiblity __declspec(dllexport) BE_ERR beWriteVBRHeader(LPCSTR lpszFileName) { return beWriteInfoTag((HBE_STREAM)gfp_save, lpszFileName); } BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { (void)lpReserved; gs_hModule = (HMODULE)hModule; switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: // Enable debug/logging? gs_bLogFile = GetPrivateProfileIntA("Debug", "WriteLogFile", gs_bLogFile, "lame_enc.ini"); break; case DLL_THREAD_ATTACH: break; case DLL_THREAD_DETACH: break; case DLL_PROCESS_DETACH: break; } return TRUE; } static void dump_config(lame_global_flags* gfp) { DebugPrintf("\n\nLame_enc configuration options:\n"); DebugPrintf("==========================================================\n"); DebugPrintf("version =%d\n", lame_get_version(gfp)); DebugPrintf("Layer =3\n"); DebugPrintf("mode ="); switch (lame_get_mode(gfp)) { case STEREO: DebugPrintf("Stereo\n"); break; case JOINT_STEREO: DebugPrintf("Joint-Stereo\n"); break; case DUAL_CHANNEL: DebugPrintf("Forced Stereo\n"); break; case MONO: DebugPrintf("Mono\n"); break; case NOT_SET: /* FALLTROUGH */ default: DebugPrintf("Error (unknown)\n"); break; } DebugPrintf("Input sample rate =%.1f kHz\n", lame_get_in_samplerate(gfp) / 1000.0); DebugPrintf("Output sample rate =%.1f kHz\n", lame_get_out_samplerate(gfp) / 1000.0); DebugPrintf("bitrate =%d kbps\n", lame_get_brate(gfp)); DebugPrintf("Quality Setting =%d\n", lame_get_quality(gfp)); DebugPrintf("Low pass frequency =%d\n", lame_get_lowpassfreq(gfp)); DebugPrintf("Low pass width =%d\n", lame_get_lowpasswidth(gfp)); DebugPrintf("High pass frequency =%d\n", lame_get_highpassfreq(gfp)); DebugPrintf("High pass width =%d\n", lame_get_highpasswidth(gfp)); DebugPrintf("No short blocks =%d\n", lame_get_no_short_blocks(gfp)); DebugPrintf("Force short blocks =%d\n", lame_get_force_short_blocks(gfp)); DebugPrintf("de-emphasis =%d\n", lame_get_emphasis(gfp)); DebugPrintf("private flag =%d\n", lame_get_extension(gfp)); DebugPrintf("copyright flag =%d\n", lame_get_copyright(gfp)); DebugPrintf("original flag =%d\n", lame_get_original(gfp)); DebugPrintf("CRC =%s\n", lame_get_error_protection(gfp) ? "on" : "off"); DebugPrintf("Fast mode =%s\n", (lame_get_quality(gfp)) ? "enabled" : "disabled"); DebugPrintf("Force mid/side stereo =%s\n", (lame_get_force_ms(gfp)) ? "enabled" : "disabled"); DebugPrintf("Disable Reservoir =%d\n", lame_get_disable_reservoir(gfp)); DebugPrintf("Allow diff-short =%d\n", lame_get_allow_diff_short(gfp)); DebugPrintf("Interchannel masking =%f\n", lame_get_interChRatio(gfp)); DebugPrintf("Strict ISO Encoding =%s\n", (lame_get_strict_ISO(gfp)) ? "Yes" : "No"); DebugPrintf("Scale =%5.2f\n", lame_get_scale(gfp)); DebugPrintf("VBR =%s, VBR_q =%d, VBR method =", (lame_get_VBR(gfp) != vbr_off) ? "enabled" : "disabled", lame_get_VBR_q(gfp)); switch (lame_get_VBR(gfp)) { case vbr_off: DebugPrintf("vbr_off\n"); break; case vbr_mt: DebugPrintf("vbr_mt \n"); break; case vbr_rh: DebugPrintf("vbr_rh \n"); break; case vbr_mtrh: DebugPrintf("vbr_mtrh \n"); break; case vbr_abr: DebugPrintf("vbr_abr (average bitrate %d kbps)\n", lame_get_VBR_mean_bitrate_kbps(gfp)); break; default: DebugPrintf("error, unknown VBR setting\n"); break; } DebugPrintf("Vbr Min bitrate =%d kbps\n", lame_get_VBR_min_bitrate_kbps(gfp)); DebugPrintf("Vbr Max bitrate =%d kbps\n", lame_get_VBR_max_bitrate_kbps(gfp)); DebugPrintf("Write VBR Header =%s\n", (lame_get_bWriteVbrTag(gfp)) ? "Yes" : "No"); DebugPrintf("VBR Hard min =%d\n", lame_get_VBR_hard_min(gfp)); DebugPrintf("ATH Only =%d\n", lame_get_ATHonly(gfp)); DebugPrintf("ATH short =%d\n", lame_get_ATHshort(gfp)); DebugPrintf("ATH no =%d\n", lame_get_noATH(gfp)); DebugPrintf("ATH type =%d\n", lame_get_ATHtype(gfp)); DebugPrintf("ATH lower =%f\n", lame_get_ATHlower(gfp)); DebugPrintf("ATH aa =%d\n", lame_get_athaa_type(gfp)); //DebugPrintf("ATH aa loudapprox =%d\n", lame_get_athaa_loudapprox( gfp ) ); DebugPrintf("ATH aa sensitivity =%f\n", lame_get_athaa_sensitivity(gfp)); DebugPrintf("Experimental nspsytune =%d\n", lame_get_exp_nspsytune(gfp)); DebugPrintf("Experimental X =%d\n", lame_get_experimentalX(gfp)); DebugPrintf("Experimental Y =%d\n", lame_get_experimentalY(gfp)); DebugPrintf("Experimental Z =%d\n", lame_get_experimentalZ(gfp)); } static void DispErr(wchar_t const* strErr) { MessageBox(NULL, strErr, L"LAME_ENC.DLL", MB_OK | MB_ICONHAND); } #ifdef __cplusplus } #endif