Imported Upstream version 1.1.11upstream/1.1.11upstream

1 files changed, 157 insertions, 0 deletions

diff --git a/icedax/wav.c b/icedax/wav.c
new file mode 100644
index 0000000..b30ed9b
--- /dev/null
+++ b/icedax/wav.c
@@ -0,0 +1,157 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)wav.c	1.4 01/10/27 Copyright 1998,1999 Heiko Eissfeldt */
+/***
+ * CopyPolicy: GNU Public License 2 applies
+ * Copyright (C) by Heiko Eissfeldt
+ *
+ *
+ */
+#include "config.h"
+#include <stdio.h>
+#include <unixstd.h>
+#include "byteorder.h"
+#include "sndfile.h"
+
+/***
+ * ---------------------------------------------------------------------
+ *  definitions for RIFF-output (from windows MMSYSTEM)
+ * ---------------------------------------------------------------------
+ */
+
+typedef unsigned int FOURCC;	/* a four character code */
+
+typedef struct CHUNKHDR {
+  FOURCC ckid;		/* chunk ID */
+  unsigned int dwSize; 	/* chunk size */
+} CHUNKHDR;
+
+/* flags for 'wFormatTag' field of WAVEFORMAT */
+#define WAVE_FORMAT_PCM 1
+
+/* specific waveform format structure for PCM data */
+typedef struct pcmwaveformat_tag {
+  unsigned short wFormatTag;	/* format type */
+  unsigned short nChannels;	/* number of channels (i.e. mono, stereo, etc.) */
+  unsigned int nSamplesPerSec; /* sample rate */
+  unsigned int nAvgBytesPerSec;/* for buffer size estimate */
+  unsigned short nBlockAlign;	/* block size of data */
+  unsigned short wBitsPerSample;
+} PCMWAVEFORMAT;
+typedef PCMWAVEFORMAT *PPCMWAVEFORMAT;
+
+
+/* MMIO macros */
+#define mmioFOURCC(ch0, ch1, ch2, ch3) \
+  ((unsigned int)(unsigned char)(ch0) | ((unsigned int)(unsigned char)(ch1) << 8) | \
+  ((unsigned int)(unsigned char)(ch2) << 16) | ((unsigned int)(unsigned char)(ch3) << 24))
+
+#define FOURCC_RIFF	mmioFOURCC ('R', 'I', 'F', 'F')
+#define FOURCC_LIST	mmioFOURCC ('L', 'I', 'S', 'T')
+#define FOURCC_WAVE	mmioFOURCC ('W', 'A', 'V', 'E')
+#define FOURCC_FMT	mmioFOURCC ('f', 'm', 't', ' ')
+#define FOURCC_DATA	mmioFOURCC ('d', 'a', 't', 'a')
+
+
+/* simplified Header for standard WAV files */
+typedef struct WAVEHDR {
+  CHUNKHDR chkRiff;
+  FOURCC fccWave;
+  CHUNKHDR chkFmt;
+  unsigned short wFormatTag;	/* format type */
+  unsigned short nChannels;	/* number of channels (i.e. mono, stereo, etc.) */
+  unsigned int nSamplesPerSec; /* sample rate */
+  unsigned int nAvgBytesPerSec;/* for buffer estimation */
+  unsigned short nBlockAlign;	/* block size of data */
+  unsigned short wBitsPerSample;
+  CHUNKHDR chkData;
+} WAVEHDR;
+
+#define IS_STD_WAV_HEADER(waveHdr) ( \
+  waveHdr.chkRiff.ckid == FOURCC_RIFF && \
+  waveHdr.fccWave == FOURCC_WAVE && \
+  waveHdr.chkFmt.ckid == FOURCC_FMT && \
+  waveHdr.chkData.ckid == FOURCC_DATA && \
+  waveHdr.wFormatTag == WAVE_FORMAT_PCM)
+
+static WAVEHDR waveHdr;
+
+static int _InitSound(int audio, long channels, unsigned long rate, 
+							 long nBitsPerSample, unsigned long expected_bytes);
+
+static int _InitSound(int audio, long channels, unsigned long rate, 
+                      long nBitsPerSample, unsigned long expected_bytes)
+{
+  unsigned long nBlockAlign = channels * ((nBitsPerSample + 7) / 8);
+  unsigned long nAvgBytesPerSec = nBlockAlign * rate;
+  unsigned long temp = expected_bytes + sizeof(WAVEHDR) - sizeof(CHUNKHDR);
+
+  waveHdr.chkRiff.ckid    = cpu_to_le32(FOURCC_RIFF);
+  waveHdr.fccWave         = cpu_to_le32(FOURCC_WAVE);
+  waveHdr.chkFmt.ckid     = cpu_to_le32(FOURCC_FMT);
+  waveHdr.chkFmt.dwSize   = cpu_to_le32(sizeof (PCMWAVEFORMAT));
+  waveHdr.wFormatTag      = cpu_to_le16(WAVE_FORMAT_PCM);
+  waveHdr.nChannels       = cpu_to_le16(channels);
+  waveHdr.nSamplesPerSec  = cpu_to_le32(rate);
+  waveHdr.nBlockAlign     = cpu_to_le16(nBlockAlign);
+  waveHdr.nAvgBytesPerSec = cpu_to_le32(nAvgBytesPerSec);
+  waveHdr.wBitsPerSample  = cpu_to_le16(nBitsPerSample);
+  waveHdr.chkData.ckid    = cpu_to_le32(FOURCC_DATA);
+  waveHdr.chkRiff.dwSize  = cpu_to_le32(temp);
+  waveHdr.chkData.dwSize  = cpu_to_le32(expected_bytes);
+
+  return write (audio, &waveHdr, sizeof (waveHdr));
+}
+
+static int _ExitSound(int audio, unsigned long nBytesDone);
+
+static int _ExitSound(int audio, unsigned long nBytesDone)
+{
+  unsigned long temp = nBytesDone + sizeof(WAVEHDR) - sizeof(CHUNKHDR);
+
+  waveHdr.chkRiff.dwSize = cpu_to_le32(temp);
+  waveHdr.chkData.dwSize = cpu_to_le32(nBytesDone);
+
+  /* goto beginning */
+  if (lseek(audio, 0L, SEEK_SET) == -1) {
+    return 0;
+  }
+  return write (audio, &waveHdr, sizeof (waveHdr));
+}
+
+static unsigned long _GetHdrSize(void);
+
+static unsigned long _GetHdrSize(void)
+{
+  return sizeof( waveHdr );
+}
+
+static unsigned long InSizeToOutSize(unsigned long BytesToDo);
+
+static unsigned long InSizeToOutSize(unsigned long BytesToDo)
+{
+	return BytesToDo;
+}
+
+struct soundfile wavsound =
+{
+	_InitSound,		/* init header method */
+	_ExitSound,		/* exit header method */
+	_GetHdrSize,		/* report header size method */
+	/* get sound samples out */
+	(int (*)(int audio, unsigned char *buf, unsigned long BytesToDo)) write,
+	InSizeToOutSize,	/* compressed? output file size */
+	0			/* needs big endian samples */
+};
+
+