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Diffstat (limited to 'attic/muse2-oom/muse2/grepmidi/grepmidi.cpp')
-rw-r--r--attic/muse2-oom/muse2/grepmidi/grepmidi.cpp348
1 files changed, 0 insertions, 348 deletions
diff --git a/attic/muse2-oom/muse2/grepmidi/grepmidi.cpp b/attic/muse2-oom/muse2/grepmidi/grepmidi.cpp
deleted file mode 100644
index 1d33b4ac..00000000
--- a/attic/muse2-oom/muse2/grepmidi/grepmidi.cpp
+++ /dev/null
@@ -1,348 +0,0 @@
-//=========================================================
-// MusE
-// Linux Music Editor
-// $Id: grepmidi.cpp,v 1.1.1.1.2.1 2009/03/09 02:05:17 terminator356 Exp $
-//
-// (C) Copyright 1999/2000 Werner Schweer (ws@seh.de)
-//=========================================================
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#define XCHG_SHORT(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF))
-#ifdef __i486__
-#define XCHG_LONG(x) \
- ({ int __value; \
- asm ("bswap %1; movl %1,%0" : "=g" (__value) : "r" (x)); \
- __value; })
-#else
-#define XCHG_LONG(x) ((((x)&0xFF)<<24) | \
- (((x)&0xFF00)<<8) | \
- (((x)&0xFF0000)>>8) | \
- (((x)>>24)&0xFF))
-#endif
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define BE_SHORT(x) XCHG_SHORT(x)
-#define BE_LONG(x) XCHG_LONG(x)
-#else
-#define BE_SHORT(x) x
-#define BE_LONG(x) x
-#endif
-
-
-int cpos;
-bool printName = false;
-const char* curName;
-
-//---------------------------------------------------------
-// readLong
-//---------------------------------------------------------
-
-int readLong(FILE* f)
- {
- int format;
- if (fread(&format, 4, 1, f) != 1) {
- printf("read long failed\n");
- exit(1);
- }
- cpos += 4;
- return BE_LONG(format);
- }
-
-//---------------------------------------------------------
-// readShort
-//---------------------------------------------------------
-
-int readShort(FILE* f)
- {
- short format;
- if (fread(&format, 2, 1, f) != 1) {
- printf("read short failed\n");
- exit(1);
- }
- cpos += 2;
- return BE_SHORT(format);
- }
-
-/*---------------------------------------------------------
- * getvl
- * Read variable-length number (7 bits per byte, MSB first)
- *---------------------------------------------------------*/
-
-int getvl(FILE* f)
- {
- int l = 0;
- for (int i = 0;i < 8; i++) {
- int c = getc(f);
- ++cpos;
- if (c == EOF)
- break;
- c &= 0xff;
- l += (c & 0x7f);
- if (!(c & 0x80))
- return l;
- l <<= 7;
- }
- printf("Variable Len too long\n");
- return -1;
- }
-
-//---------------------------------------------------------
-// skip
-//---------------------------------------------------------
-
-void skip(FILE* f, int n)
- {
- while (n--) {
- ++cpos;
- if (getc(f) == EOF) {
- printf("skip %d failed\n", n);
- exit(1);
- }
- }
- }
-
-//---------------------------------------------------------
-// grepTrack
-//---------------------------------------------------------
-
-int grepTrack(FILE* f, int trackno)
- {
-// printf("TRACK %d\n", trackno);
- int mtype, mlen;
- int b;
- char* buffer;
-
- char tmp[4];
- fread(tmp, 4, 1, f);
- if (memcmp(tmp, "MTrk", 4))
- return -5;
- int len = readLong(f);
- int endpos = cpos + len;
- int runstate = -1;
-
- for (;;) {
-/* int nclick = */ getvl(f);
- int me = getc(f);
- ++cpos;
- int a = -1;
- if ((me & 0x80) == 0) {
- if (runstate == -1)
- return -6;
- a = me;
- me = runstate;
- }
- switch (me & 0xf0) {
- case 0x80:
- case 0x90:
- case 0xa0:
- case 0xb0:
- case 0xe0:
- b = getc(f);
- ++cpos;
- case 0xc0:
- case 0xd0:
- if (a == -1) {
- a = getc(f);
- ++cpos;
- }
- runstate = me;
- break;
- case 0xf0:
- switch(me & 0xf) {
- case 0: // SYSEX
- mlen = getvl(f);
- skip(f, mlen);
- break;
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- if (printName)
- printf("%s: ", curName);
- printf("unknown Message\n");
- break;
- case 7: // EOX
- case 8: // timing clock
- case 9: // undefined
- case 0xa: // start
- case 0xb: // continue
- case 0xc: // stop
- case 0xd: // undefined
- case 0xe: // active sensing
- if (printName)
- printf("%s: ", curName);
- printf("RT Message??\n");
- break;
- case 0xf: // META
- mtype = getc(f);
- ++cpos;
- mlen = getvl(f);
- buffer = new char[mlen+1];
- if (mlen) {
- if (fread(buffer, mlen, 1, f) != 1) {
- if (printName)
- printf("%s: ", curName);
- printf("---meta %d too short (%d)\n", mtype, mlen);
- exit(1);
- }
- cpos += mlen;
- }
- switch(mtype) {
- case 0x2f:
- delete buffer;
- goto end;
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- case 6: // Marker
- case 7:
- case 8:
- case 9:
- case 10:
- case 11:
- case 12:
- case 13:
- case 14:
- case 15:
- buffer[mlen] = 0;
- if (printName)
- printf("%s: ", curName);
- printf("%02d Meta %0d: <%s>\n", trackno, mtype, buffer);
- default:
- break;
- }
- delete buffer;
- break;
- }
- break;
- }
- }
-end:
- if (cpos != endpos) {
- if (printName)
- printf("%s: ", curName);
- printf(" %d zu kurz\n", cpos - endpos);
- }
- if (endpos-cpos > 0)
- skip(f, endpos-cpos);
- return 0;
- }
-
-//---------------------------------------------------------
-// grep
-//---------------------------------------------------------
-
-int grep(FILE* f)
- {
- char tmp[4];
-
- fread(tmp, 4, 1, f);
- if (memcmp(tmp, "MThd", 4) != 0)
- return -2;
- int len = readLong(f);
- if (len < 6)
- return -3;
- cpos += 8;
- int format = readShort(f);
- int ntracks = readShort(f);
- readShort(f); // division
- if (len > 6)
- skip(f, len-6); /* skip the excess */
- int rv = 0;
- switch (format) {
- case 0: rv = grepTrack(f, 0); break;
- case 1:
- for (int i = 0; i < ntracks; i++) {
- rv = grepTrack(f, i);
- if (rv != 0)
- return rv;
- }
- break;
- default:
- return -4;
- }
-
- return 0;
- }
-
-//---------------------------------------------------------
-// grep
-//---------------------------------------------------------
-
-int grepMidi(const char* name)
- {
- curName = name;
- const char*p = strrchr(name, '.');
- FILE* f;
- if (p && strcmp(p, ".gz") == 0) {
- char buffer[512];
- sprintf(buffer, "gunzip < %s", name);
- f = popen(buffer, "r");
- }
- else {
- p = 0;
- f = fopen(name, "r");
- }
- if (f == 0)
- return -1;
- cpos = 0;
- int rc = grep(f);
- if (p)
- pclose(f);
- else
- fclose(f);
- return rc;
- }
-
-//---------------------------------------------------------
-// usage
-//---------------------------------------------------------
-
-void usage(const char* fname, const char* txt)
- {
- fprintf(stderr, "%s: %s\n", fname, txt);
-// fprintf(stderr, "usage:\n");
- }
-
-//---------------------------------------------------------
-// main
-//---------------------------------------------------------
-
-int main(int argc, char* argv[])
- {
- int c;
- while ((c = getopt(argc, argv, "f")) != EOF) {
- switch (c) {
- case 'f': printName = true; break;
- default: usage(argv[0], "bad argument"); return -1;
- }
- }
- argc -= optind;
- ++argc;
- const char* p = 0;
- for (int i = 1; i < argc; ++i) {
- switch (grepMidi(argv[i])) {
- case 0: break;
- case -1: p = "not found"; break;
- case -2: p = "no 'MThd': not a midi file"; break;
- case -3: p = "file too short"; break;
- case -4: p = "bad file type"; break;
- case -5: p = "no 'MTrk': not a midi file"; break;
- case -6: p = "no running state"; break;
- default:
- printf("was??\n");
- return -1;
- }
- }
- if (p)
- printf("Error: <%s>\n", p);
- return 0;
- }
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 06:35:11 +0000