mirror of
https://github.com/UberGames/ioef.git
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237 lines
4.7 KiB
C
237 lines
4.7 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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Copyright (C) 2005 Stuart Dalton (badcdev@gmail.com)
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "client.h"
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#include "snd_codec.h"
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static snd_codec_t *codecs;
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/*
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=================
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S_CodecGetSound
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Opens/loads a sound, tries codec based on the sound's file extension
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then tries all supported codecs.
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=================
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*/
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static void *S_CodecGetSound(const char *filename, snd_info_t *info)
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{
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snd_codec_t *codec;
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snd_codec_t *orgCodec = NULL;
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qboolean orgNameFailed = qfalse;
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char localName[ MAX_QPATH ];
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const char *ext;
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char altName[ MAX_QPATH ];
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void *rtn = NULL;
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Q_strncpyz(localName, filename, MAX_QPATH);
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ext = COM_GetExtension(localName);
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if( *ext )
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{
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// Look for the correct loader and use it
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for( codec = codecs; codec; codec = codec->next )
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{
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if( !Q_stricmp( ext, codec->ext ) )
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{
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// Load
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if( info )
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rtn = codec->load(localName, info);
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else
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rtn = codec->open(localName);
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break;
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}
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}
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// A loader was found
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if( codec )
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{
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if( !rtn )
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{
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// Loader failed, most likely because the file isn't there;
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// try again without the extension
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orgNameFailed = qtrue;
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orgCodec = codec;
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COM_StripExtension( filename, localName, MAX_QPATH );
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}
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else
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{
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// Something loaded
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return rtn;
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}
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}
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}
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// Try and find a suitable match using all
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// the sound codecs supported
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for( codec = codecs; codec; codec = codec->next )
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{
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if( codec == orgCodec )
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continue;
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Com_sprintf( altName, sizeof (altName), "%s.%s", localName, codec->ext );
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// Load
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if( info )
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rtn = codec->load(altName, info);
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else
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rtn = codec->open(altName);
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if( rtn )
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{
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if( orgNameFailed )
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{
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Com_DPrintf(S_COLOR_YELLOW "WARNING: %s not present, using %s instead\n",
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filename, altName );
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}
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return rtn;
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}
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}
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Com_Printf(S_COLOR_YELLOW "WARNING: Failed to %s sound %s!\n", info ? "load" : "open", filename);
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return NULL;
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}
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/*
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=================
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S_CodecInit
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=================
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*/
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void S_CodecInit()
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{
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codecs = NULL;
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#ifdef USE_CODEC_OPUS
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S_CodecRegister(&opus_codec);
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#endif
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#ifdef USE_CODEC_VORBIS
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S_CodecRegister(&ogg_codec);
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#endif
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// Register wav codec last so that it is always tried first when a file extension was not found
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S_CodecRegister(&wav_codec);
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}
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/*
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=================
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S_CodecShutdown
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=================
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*/
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void S_CodecShutdown()
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{
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codecs = NULL;
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}
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/*
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=================
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S_CodecRegister
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=================
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*/
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void S_CodecRegister(snd_codec_t *codec)
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{
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codec->next = codecs;
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codecs = codec;
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}
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/*
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=================
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S_CodecLoad
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=================
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*/
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void *S_CodecLoad(const char *filename, snd_info_t *info)
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{
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return S_CodecGetSound(filename, info);
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}
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/*
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=================
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S_CodecOpenStream
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=================
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*/
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snd_stream_t *S_CodecOpenStream(const char *filename)
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{
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return S_CodecGetSound(filename, NULL);
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}
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void S_CodecCloseStream(snd_stream_t *stream)
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{
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stream->codec->close(stream);
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}
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int S_CodecReadStream(snd_stream_t *stream, int bytes, void *buffer)
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{
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return stream->codec->read(stream, bytes, buffer);
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}
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//=======================================================================
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// Util functions (used by codecs)
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/*
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=================
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S_CodecUtilOpen
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=================
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*/
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snd_stream_t *S_CodecUtilOpen(const char *filename, snd_codec_t *codec)
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{
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snd_stream_t *stream;
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fileHandle_t hnd;
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int length;
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// Try to open the file
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length = FS_FOpenFileRead(filename, &hnd, qtrue);
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if(!hnd)
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{
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Com_DPrintf("Can't read sound file %s\n", filename);
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return NULL;
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}
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// Allocate a stream
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stream = Z_Malloc(sizeof(snd_stream_t));
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if(!stream)
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{
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FS_FCloseFile(hnd);
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return NULL;
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}
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// Copy over, return
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stream->codec = codec;
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stream->file = hnd;
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stream->length = length;
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return stream;
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}
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/*
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=================
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S_CodecUtilClose
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=================
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*/
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void S_CodecUtilClose(snd_stream_t **stream)
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{
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FS_FCloseFile((*stream)->file);
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Z_Free(*stream);
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*stream = NULL;
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}
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