X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=wav.c;fp=wav.c;h=0000000000000000000000000000000000000000;hp=ad3458d1b2be3bbebd96fb71b27af2af5d33fca5;hb=dd0b1f12758ac877de6834b34f8c7f9291d4311d;hpb=89a0e510df07bc7210ca9e73381763fdd183df75

diff --git a/wav.c b/wav.c
deleted file mode 100644
index ad3458d1..00000000
--- a/wav.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2005-2008 Andre Noll <maan@systemlinux.org>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
-
-/** \file wav.c a filter that inserts a wave header */
-
-#include "para.h"
-
-#include "list.h"
-#include "sched.h"
-#include "filter.h"
-#include "string.h"
-
-/** size of the output buffer */
-#define WAV_OUTBUF_SIZE 81920
-/** a wav header is always 44 bytes */
-#define WAV_HEADER_LEN 44
-/** always write 16 bit header */
-#define BITS 16
-
-/**
- * write a 32 bit unsigned value to a buffer
- *
- * \param buf the buffer to write to
- * \param x the value to write
- */
-#define WRITE_U32(buf, x) (buf)[0] = (unsigned char)((x) & 0xff);\
-	(buf)[1] = (unsigned char)(((x) >> 8) & 0xff);\
-	(buf)[2] = (unsigned char)(((x) >> 16) & 0xff);\
-	(buf)[3] = (unsigned char)(((x) >> 24) & 0xff);
-
-/**
- * write a 16 bit unsigned value to a buffer
- *
- * \param buf the buffer to write to
- * \param x the value to write
- */
-#define WRITE_U16(buf, x) (buf)[0] = (unsigned char)((x) & 0xff);
-
-static void make_wav_header(unsigned int channels, unsigned int samplerate,
-		struct filter_node *fn)
-{
-
-	char *headbuf = fn->buf;
-	unsigned int size = 0x7fffffff;
-	int bytespersec = channels * samplerate * BITS / 8;
-	int align = channels * BITS / 8;
-
-	assert(channels);
-	PARA_DEBUG_LOG("writing wave header: %d channels, %d KHz\n", channels, samplerate);
-	memset(headbuf, 0, WAV_HEADER_LEN);
-	memcpy(headbuf, "RIFF", 4);
-	WRITE_U32(headbuf + 4, size - 8);
-	memcpy(headbuf + 8, "WAVE", 4);
-	memcpy(headbuf + 12, "fmt ", 4);
-	WRITE_U32(headbuf + 16, 16);
-	WRITE_U16(headbuf + 20, 1);	/* format */
-	WRITE_U16(headbuf + 22, channels);
-	WRITE_U32(headbuf + 24, samplerate);
-	WRITE_U32(headbuf + 28, bytespersec);
-	WRITE_U16(headbuf + 32, align);
-	WRITE_U16(headbuf + 34, BITS);
-	memcpy(headbuf + 36, "data", 4);
-	WRITE_U32(headbuf + 40, size - 44);
-}
-
-static ssize_t wav_convert(char *inbuf, size_t len, struct filter_node *fn)
-{
-	size_t copy;
-	int *bof = fn->private_data;
-
-	if (*bof) {
-		if (!len)
-			return 0;
-		make_wav_header(fn->fc->channels, fn->fc->samplerate, fn);
-		fn->loaded = WAV_HEADER_LEN;
-		*bof = 0;
-//		return 0;
-	}
-	copy = PARA_MIN(len, fn->bufsize - fn->loaded);
-	memmove(fn->buf + fn->loaded, inbuf, copy);
-	fn->loaded += copy;
-//	PARA_DEBUG_LOG("len = %d, copy = %d\n", len, copy);
-	return copy;
-}
-
-static void wav_close(struct filter_node *fn)
-{
-	free(fn->buf);
-	fn->buf = NULL;
-	free(fn->private_data);
-	fn->private_data = NULL;
-}
-
-static void wav_open(struct filter_node *fn)
-{
-	int *bof;
-
-	fn->bufsize = WAV_OUTBUF_SIZE;
-	fn->buf = para_malloc(fn->bufsize);
-	fn->private_data = para_malloc(sizeof(int));
-	bof = fn->private_data;
-	fn->loaded = 0;
-	*bof = 1;
-	PARA_INFO_LOG("wav filter node: %p, output buffer: %p, loaded: %zd\n",
-		fn, fn->buf, fn->loaded);
-}
-
-/**
- * the init function of the wav filter
- *
- * \param f struct to initialize
- */
-void wav_filter_init(struct filter *f)
-{
-	f->convert = wav_convert;
-	f->close = wav_close;
-	f->open = wav_open;
-}