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Diffstat (limited to 'src/client/snd_codec.cpp')
| -rw-r--r-- | src/client/snd_codec.cpp | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/src/client/snd_codec.cpp b/src/client/snd_codec.cpp new file mode 100644 index 0000000..a794b90 --- /dev/null +++ b/src/client/snd_codec.cpp @@ -0,0 +1,239 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2013 Darklegion Development +Copyright (C) 2005 Stuart Dalton (badcdev@gmail.com) +Copyright (C) 2015-2019 GrangerHub + +This file is part of Tremulous. + +Tremulous is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 3 of the License, +or (at your option) any later version. + +Tremulous 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Tremulous; if not, see <https://www.gnu.org/licenses/> + +=========================================================================== +*/ + +#include "client.h" +#include "snd_codec.h" + +static snd_codec_t *codecs; + +/* +================= +S_CodecGetSound + +Opens/loads a sound, tries codec based on the sound's file extension +then tries all supported codecs. +================= +*/ +static void *S_CodecGetSound(const char *filename, snd_info_t *info) +{ + snd_codec_t *codec; + snd_codec_t *orgCodec = NULL; + bool orgNameFailed = false; + char localName[ MAX_QPATH ]; + const char *ext; + char altName[ MAX_QPATH ]; + void *rtn = NULL; + + Q_strncpyz(localName, filename, MAX_QPATH); + + ext = COM_GetExtension(localName); + + if( *ext ) + { + // Look for the correct loader and use it + for( codec = codecs; codec; codec = codec->next ) + { + if( !Q_stricmp( ext, codec->ext ) ) + { + // Load + if( info ) + rtn = codec->load(localName, info); + else + rtn = codec->open(localName); + break; + } + } + + // A loader was found + if( codec ) + { + if( !rtn ) + { + // Loader failed, most likely because the file isn't there; + // try again without the extension + orgNameFailed = true; + orgCodec = codec; + COM_StripExtension( filename, localName, MAX_QPATH ); + } + else + { + // Something loaded + return rtn; + } + } + } + + // Try and find a suitable match using all + // the sound codecs supported + for( codec = codecs; codec; codec = codec->next ) + { + if( codec == orgCodec ) + continue; + + Com_sprintf( altName, sizeof (altName), "%s.%s", localName, codec->ext ); + + // Load + if( info ) + rtn = codec->load(altName, info); + else + rtn = codec->open(altName); + + if( rtn ) + { + if( orgNameFailed ) + { + Com_DPrintf(S_COLOR_YELLOW "WARNING: %s not present, using %s instead\n", + filename, altName ); + } + + return rtn; + } + } + + Com_Printf(S_COLOR_YELLOW "WARNING: Failed to %s sound %s!\n", info ? "load" : "open", filename); + + return NULL; +} + +/* +================= +S_CodecInit +================= +*/ +void S_CodecInit() +{ + codecs = NULL; + +#ifdef USE_CODEC_OPUS + S_CodecRegister(&opus_codec); +#endif + +#ifdef USE_CODEC_VORBIS + S_CodecRegister(&ogg_codec); +#endif + +// Register wav codec last so that it is always tried first when a file extension was not found + S_CodecRegister(&wav_codec); +} + +/* +================= +S_CodecShutdown +================= +*/ +void S_CodecShutdown() +{ + codecs = NULL; +} + +/* +================= +S_CodecRegister +================= +*/ +void S_CodecRegister(snd_codec_t *codec) +{ + codec->next = codecs; + codecs = codec; +} + +/* +================= +S_CodecLoad +================= +*/ +void *S_CodecLoad(const char *filename, snd_info_t *info) +{ + return S_CodecGetSound(filename, info); +} + +/* +================= +S_CodecOpenStream +================= +*/ +snd_stream_t *S_CodecOpenStream(const char *filename) +{ + return (snd_stream_t*)S_CodecGetSound(filename, NULL); +} + +void S_CodecCloseStream(snd_stream_t *stream) +{ + stream->codec->close(stream); +} + +int S_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer) +{ + return stream->codec->read(stream, bytes, buffer); +} + +//======================================================================= +// Util functions (used by codecs) + +/* +================= +S_CodecUtilOpen +================= +*/ +snd_stream_t *S_CodecUtilOpen(const char *filename, snd_codec_t *codec) +{ + snd_stream_t *stream; + fileHandle_t hnd; + int length; + + // Try to open the file + length = FS_FOpenFileRead(filename, &hnd, true); + if(!hnd) + { + Com_DPrintf("Can't read sound file %s\n", filename); + return NULL; + } + + // Allocate a stream + stream = (snd_stream_t*)Z_Malloc(sizeof(snd_stream_t)); + if(!stream) + { + FS_FCloseFile(hnd); + return NULL; + } + + // Copy over, return + stream->codec = codec; + stream->file = hnd; + stream->length = length; + return stream; +} + +/* +================= +S_CodecUtilClose +================= +*/ +void S_CodecUtilClose(snd_stream_t **stream) +{ + FS_FCloseFile((*stream)->file); + Z_Free(*stream); + *stream = NULL; +} |