From c654c7630aad220a4935c34b076e107b6b0561a5 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 9 Apr 2013 01:24:52 +0200
Subject: pcm_*: move to src/pcm/

---
 src/dsd2pcm/main.cpp | 120 ---------------------------------------------------
 1 file changed, 120 deletions(-)
 delete mode 100644 src/dsd2pcm/main.cpp

(limited to 'src/dsd2pcm/main.cpp')

diff --git a/src/dsd2pcm/main.cpp b/src/dsd2pcm/main.cpp
deleted file mode 100644
index 0b58888a8..000000000
--- a/src/dsd2pcm/main.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-#include <iostream>
-#include <vector>
-#include <cstring>
-
-#include "dsd2pcm.hpp"
-#include "noiseshape.hpp"
-
-namespace {
-
-const float my_ns_coeffs[] = {
-//     b1           b2           a1           a2
-  -1.62666423,  0.79410094,  0.61367127,  0.23311013,  // section 1
-  -1.44870017,  0.54196219,  0.03373857,  0.70316556   // section 2
-};
-
-const int my_ns_soscount = sizeof(my_ns_coeffs)/(sizeof(my_ns_coeffs[0])*4);
-
-inline long myround(float x)
-{
-	return static_cast<long>(x + (x>=0 ? 0.5f : -0.5f));
-}
-
-template<typename T>
-struct id { typedef T type; };
-
-template<typename T>
-inline T clip(
-	typename id<T>::type min,
-	T v,
-	typename id<T>::type max)
-{
-	if (v<min) return min;
-	if (v>max) return max;
-	return v;
-}
-
-inline void write_intel16(unsigned char * ptr, unsigned word)
-{
-	ptr[0] =  word       & 0xFF;
-	ptr[1] = (word >> 8) & 0xFF;
-}
-
-inline void write_intel24(unsigned char * ptr, unsigned long word)
-{
-	ptr[0] =  word        & 0xFF;
-	ptr[1] = (word >>  8) & 0xFF;
-	ptr[2] = (word >> 16) & 0xFF;
-}
-
-} // anonymous namespace
-
-using std::vector;
-using std::cin;
-using std::cout;
-using std::cerr;
-
-int main(int argc, char *argv[])
-{
-	const int block = 16384;
-	int channels   = -1;
-	int lsbitfirst = -1;
-	int bits       = -1;
-	if (argc==4) {
-		if ('1'<=argv[1][0] && argv[1][0]<='9') channels = 1 + (argv[1][0]-'1');
-		if (argv[2][0]=='m' || argv[2][0]=='M') lsbitfirst=0;
-		if (argv[2][0]=='l' || argv[2][0]=='L') lsbitfirst=1;
-		if (!strcmp(argv[3],"16")) bits = 16;
-		if (!strcmp(argv[3],"24")) bits = 24;
-	}
-	if (channels<1 || lsbitfirst<0 || bits<0) {
-		cerr << "\n"
-			"DSD2PCM filter (raw DSD64 --> 352 kHz raw PCM)\n"
-			"(c) 2009 Sebastian Gesemann\n\n"
-			"(filter as in \"reads data from stdin and writes to stdout\")\n\n"
-			"Syntax: dsd2pcm <channels> <bitorder> <bitdepth>\n"
-			"channels = 1,2,3,...,9 (number of channels in DSD stream)\n"
-			"bitorder = L (lsb first), M (msb first) (DSD stream option)\n"
-			"bitdepth = 16 or 24 (intel byte order, output option)\n\n"
-			"Note: At 16 bits/sample a noise shaper kicks in that can preserve\n"
-			"a dynamic range of 135 dB below 30 kHz.\n\n";
-		return 1;
-	}
-	int bytespersample = bits/8;
-	vector<dxd> dxds (channels);
-	vector<noise_shaper> ns;
-	if (bits==16) {
-		ns.resize(channels, noise_shaper(my_ns_soscount, my_ns_coeffs) );
-	}
-	vector<unsigned char> dsd_data (block * channels);
-	vector<float> float_data (block);
-	vector<unsigned char> pcm_data (block * channels * bytespersample);
-	char * const dsd_in  = reinterpret_cast<char*>(&dsd_data[0]);
-	char * const pcm_out = reinterpret_cast<char*>(&pcm_data[0]);
-	while (cin.read(dsd_in,block * channels)) {
-		for (int c=0; c<channels; ++c) {
-			dxds[c].translate(block,&dsd_data[0]+c,channels,
-				lsbitfirst,
-				&float_data[0],1);
-			unsigned char * out = &pcm_data[0] + c*bytespersample;
-			if (bits==16) {
-				for (int s=0; s<block; ++s) {
-					float r = float_data[s]*32768 + ns[c].get();
-					long smp = clip(-32768,myround(r),32767);
-					ns[c].update( clip(-1,smp-r,1) );
-					write_intel16(out,smp);
-					out += channels*bytespersample;
-				}
-			} else {
-				for (int s=0; s<block; ++s) {
-					float r = float_data[s]*8388608;
-					long smp = clip(-8388608,myround(r),8388607);
-					write_intel24(out,smp);
-					out += channels*bytespersample;
-				}
-			}
-		}
-		cout.write(pcm_out,block*channels*bytespersample);
-	}
-}
-
-- 
cgit v1.2.3