1 files changed, 107 insertions, 0 deletions

diff --git a/apps/codecs/demac/wavwrite.c b/apps/codecs/demac/wavwrite.c
new file mode 100644
index 0000000000..5fb82e148a
--- /dev/null
+++ b/apps/codecs/demac/wavwrite.c
@@ -0,0 +1,107 @@
+/*
+
+demac - A Monkey's Audio decoder
+
+$Id:$
+
+Copyright (C) Dave Chapman 2007
+
+This program 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 2 of the License, or
+(at your option) any later version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
+
+*/
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "parser.h"
+
+
+static unsigned char wav_header[44]={
+    'R','I','F','F',//  0 - ChunkID
+    0,0,0,0,        //  4 - ChunkSize (filesize-8)
+    'W','A','V','E',//  8 - Format
+    'f','m','t',' ',// 12 - SubChunkID
+    16,0,0,0,       // 16 - SubChunk1ID  // 16 for PCM
+    1,0,            // 20 - AudioFormat (1=Uncompressed)
+    2,0,            // 22 - NumChannels
+    0,0,0,0,        // 24 - SampleRate in Hz
+    0,0,0,0,        // 28 - Byte Rate (SampleRate*NumChannels*(BitsPerSample/8)
+    4,0,            // 32 - BlockAlign (== NumChannels * BitsPerSample/8)
+    16,0,           // 34 - BitsPerSample
+    'd','a','t','a',// 36 - Subchunk2ID
+    0,0,0,0         // 40 - Subchunk2Size
+};
+
+int open_wav(struct ape_ctx_t* ape_ctx, char* filename)
+{
+    int fd;
+    int x;
+    int filesize;
+    int bytespersample;
+
+    fd=creat(filename,0644);
+    if (fd < 0)
+        return fd;
+
+    bytespersample=ape_ctx->bps/8;
+
+    filesize=ape_ctx->totalsamples*bytespersample*ape_ctx->channels+44;
+
+    // ChunkSize
+    x=filesize-8;
+    wav_header[4]=(x&0xff);
+    wav_header[5]=(x&0xff00)>>8;
+    wav_header[6]=(x&0xff0000)>>16;
+    wav_header[7]=(x&0xff000000)>>24;
+
+    // Number of channels
+    wav_header[22]=ape_ctx->channels;
+
+    // Samplerate
+    wav_header[24]=ape_ctx->samplerate&0xff;
+    wav_header[25]=(ape_ctx->samplerate&0xff00)>>8;
+    wav_header[26]=(ape_ctx->samplerate&0xff0000)>>16;
+    wav_header[27]=(ape_ctx->samplerate&0xff000000)>>24;
+
+    // ByteRate
+    x=ape_ctx->samplerate*(ape_ctx->bps/8)*ape_ctx->channels;
+    wav_header[28]=(x&0xff);
+    wav_header[29]=(x&0xff00)>>8;
+    wav_header[30]=(x&0xff0000)>>16;
+    wav_header[31]=(x&0xff000000)>>24;
+
+    // BlockAlign
+    wav_header[32]=(ape_ctx->bps/8)*ape_ctx->channels;
+
+    // Bits per sample
+    wav_header[34]=ape_ctx->bps;
+    
+    // Subchunk2Size
+    x=filesize-44;
+    wav_header[40]=(x&0xff);
+    wav_header[41]=(x&0xff00)>>8;
+    wav_header[42]=(x&0xff0000)>>16;
+    wav_header[43]=(x&0xff000000)>>24;
+
+    write(fd,wav_header,sizeof(wav_header));
+
+    return fd;
+}