/** * @file vorbisencode.h * @brief Vorbis encoding routine routine for Indra. * * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * 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; * version 2.1 of the License only. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_VORBISENCODE_H #define LL_VORBISENCODE_H const S32 LLVORBISENC_NOERR = 0; // no error const S32 LLVORBISENC_SOURCE_OPEN_ERR = 1; // error opening source const S32 LLVORBISENC_DEST_OPEN_ERR = 2; // error opening destination const S32 LLVORBISENC_WAV_FORMAT_ERR = 3; // not a WAV const S32 LLVORBISENC_PCM_FORMAT_ERR = 4; // not a PCM const S32 LLVORBISENC_MONO_ERR = 5; // can't do mono const S32 LLVORBISENC_STEREO_ERR = 6; // can't do stereo const S32 LLVORBISENC_MULTICHANNEL_ERR = 7; // can't do stereo const S32 LLVORBISENC_UNSUPPORTED_SAMPLE_RATE = 8; // unsupported sample rate const S32 LLVORBISENC_UNSUPPORTED_WORD_SIZE = 9; // unsupported word size const S32 LLVORBISENC_CLIP_TOO_LONG = 10; // source file is too long const S32 LLVORBISENC_CHUNK_SIZE_ERR = 11; // chunk size is wrong const F32 LLVORBIS_CLIP_MAX_TIME = 30.0f; const U8 LLVORBIS_CLIP_MAX_CHANNELS = 2; const U32 LLVORBIS_CLIP_SAMPLE_RATE = 44100; const U32 LLVORBIS_CLIP_MAX_SAMPLES_PER_CHANNEL = (U32)(LLVORBIS_CLIP_MAX_TIME * LLVORBIS_CLIP_SAMPLE_RATE); const U32 LLVORBIS_CLIP_MAX_SAMPLES = LLVORBIS_CLIP_MAX_SAMPLES_PER_CHANNEL * LLVORBIS_CLIP_MAX_CHANNELS; const size_t LLVORBIS_CLIP_MAX_SAMPLE_DATA = LLVORBIS_CLIP_MAX_SAMPLES * 2; // 2 = 16-bit // Treat anything this long as a bad asset. A little fudge factor at the end: // Make that a lot of fudge factor. We're allowing 30 sec for now - 3x legal upload const size_t LLVORBIS_CLIP_REJECT_SAMPLES = LLVORBIS_CLIP_MAX_SAMPLES * 3; const size_t LLVORBIS_CLIP_REJECT_SIZE = LLVORBIS_CLIP_MAX_SAMPLE_DATA * 3; S32 check_for_invalid_wav_formats(const std::string& in_fname, std::string& error_msg); S32 encode_vorbis_file(const std::string& in_fname, const std::string& out_fname); #endif