From f02dfce6e6c34b3d8a7b8a0e784b506178e331fa Mon Sep 17 00:00:00 2001
From: "erdgeist@erdgeist.org" <erdgeist@bauklotz.fritz.box>
Date: Thu, 4 Jul 2019 23:26:09 +0200
Subject: stripdown of version 0.9

---
 stripdown.sh | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100755 stripdown.sh

(limited to 'stripdown.sh')

diff --git a/stripdown.sh b/stripdown.sh
new file mode 100755
index 0000000..2e4466e
--- /dev/null
+++ b/stripdown.sh
@@ -0,0 +1,120 @@
+#!/bin/sh
+
+BUILDDIR=build_stripped
+DESTDIR=codec2lite
+
+LIBSRC="codebook.c codebookd.c codebookge.c codebookjvm.c codebooknewamp1.c codebooknewamp1_energy.c codec2.c codec2_fft.c interp.c kiss_fft.c kiss_fftr.c lpc.c lsp.c mbest.c newamp1.c newamp2.c nlp.c pack.c phase.c postfilter.c quantise.c sine.c"
+LIBGENSRC="codebooklspmelvq.c codebookmel.c codebooknewamp2.c codebooknewamp2_energy.c"
+
+LIBINC="_kiss_fft_guts.h comp_prim.h lpc.h os.h bpf.h lsp.h phase.h bpfb.h defines.h machdep.h postfilter.h mbest.h quantise.h codec2_fft.h interp.h newamp1.h sine.h codec2_internal.h kiss_fft.h newamp2.h comp.h kiss_fftr.h nlp.h"
+LIBGENINC="version.h"
+
+EMPTYINC="c2wideband.h dump.h"
+
+rm -rf "${BUILDDIR}" "${DESTDIR}"
+mkdir "${BUILDDIR}" "${DESTDIR}"
+
+# copy LICENSE
+cp COPYING "${DESTDIR}"/
+
+# copy static sources
+for file in ${LIBSRC} ${LIBINC}; do
+    cp src/"${file}" "${DESTDIR}"/
+done
+
+# fixup one include
+sed s:codec2/version.h:version.h: src/codec2.h > "${DESTDIR}"/codec2.h
+
+cat > "${DESTDIR}"/debug_alloc.h <<'EOF'
+#define FREE free
+#define MALLOC malloc
+EOF
+
+for file in ${EMPTYINC}; do
+    touch "${DESTDIR}"/"${file}"
+done
+
+cd ${BUILDDIR}
+cmake ..
+make tnewamp1
+
+# copy generated files
+for file in ${LIBGENSRC}; do
+    cp src/"${file}" ../"${DESTDIR}"/
+done
+
+for file in ${LIBGENINC}; do
+    cp codec2/"${file}" ../"${DESTDIR}"/
+done
+
+cd ..
+rm -r "${BUILDDIR}"
+
+cat > "${DESTDIR}"/Makefile <<'EOF'
+CFLAGS =  -Wall -Wno-strict-overflow -std=gnu11 -fPIC -g -O2 -I.
+CFLAGS += -DHORUS_L2_RX -DINTERLEAVER -DRUN_TIME_TABLES -DSCRAMBLER -Dcodec2_EXPORTS
+CFLAGS += -Wno-incompatible-pointer-types-discards-qualifiers
+
+LIBSRC=codebook.c codebookd.c codebookge.c codebookmel.c codebooklspmelvq.c codebookjvm.c \
+	codebooknewamp1.c codebooknewamp1_energy.c codebooknewamp2.c codebooknewamp2_energy.c \
+	codec2.c codec2_fft.c interp.c kiss_fft.c kiss_fftr.c lpc.c lsp.c mbest.c \
+	newamp1.c newamp2.c nlp.c pack.c phase.c postfilter.c quantise.c sine.c
+
+all: main
+
+main: main.c $(LIBSRC)
+	clang $(CFLAGS) -o $@ $^
+
+.PHONY: clean
+clean:
+	rm -f main
+EOF
+
+cat > "${DESTDIR}"/main.c <<'EOF'
+#include <time.h>
+#include <stdio.h>
+
+#include "codec2.h"
+
+int main() {
+    struct timespec tstart={0,0}, tend={0,0};
+    short input[976692];
+    FILE * recoded = fopen("count-recoded.raw", "w+");
+    FILE * f = fopen("count.raw", "r");
+    void * codec2 = codec2_create(CODEC2_MODE_700C);
+    int nsam = codec2_samples_per_frame(codec2);
+    int nbit = codec2_bits_per_frame(codec2);
+    int off = 0;
+    unsigned char bits[128];
+
+    fread(input, 976692, 1, f);
+    fclose(f);
+
+    clock_gettime(CLOCK_MONOTONIC, &tstart);
+
+    while (off < 976692 / 2) {
+        codec2_encode(codec2, bits, input + off);
+        codec2_decode(codec2, input + off, bits);
+        off += 320;
+    }
+
+    clock_gettime(CLOCK_MONOTONIC, &tend);
+    printf("%lf\n", ((double)tend.tv_sec + 1.0e-9*tend.tv_nsec) - ((double)tstart.tv_sec + 1.0e-9*tstart.tv_nsec));
+
+    fwrite(input, 976692, 1, recoded);
+
+    codec2_destroy(codec2);
+}
+EOF
+
+cat > ${DESTDIR}/README <<'EOF'
+
+This project is meant to generate a subset of the amazing codec2 library containing only the actual speech codec and having no further dependencies than a C99 compiler.
+
+The generate a stripped down version of codec2 that does not need CMake etc, just copy the stripdown.sh file to your codec2 directory and run it. This will generate the directory you see here.
+
+Codec 2 is an open source (LGPL 2.1) low bit rate speech codec:
+
+http://rowetel.com/codec2.html
+
+EOF
-- 
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