removed binary - added convert function

[sound-tools/hdrec.git] / hdrec.c

diff --git a/hdrec.c b/hdrec.c
index ac6348e..42d86a7 100644 (file)
--- a/hdrec.c
+++ b/hdrec.c
@@ -22,12 +22,14 @@
 int usage(void) {
        printf("usage:\n\n");
        printf("-h \t\t print this help\n");
+       printf("-i \t\t use/print file info\n");
        printf("-r <file> \t record to <file>\n");
        printf("-p <file> \t play from <file>\n");
        printf("-s \t\t stereo\n");
        printf("-m \t\t mono\n");
        printf("-f <format> \t 1=8bit - 2=16bit (le)\n");
        printf("-F <hz> \t frequency\n");
+       printf("-c <src> <dst> \t converts raw to wav (specify f/m,s/F)\n");
        
        return 1;
 }
@@ -45,6 +47,10 @@ int main(int argc,char **argv) {
        char play_file[MAX_C_FILE];
        dsp_set set;
        unsigned char *buf;
+       unsigned char print_info=0;
+       unsigned char info[8];
+       int info_int;
+       int tmp;
 
        /* defaults */
        strcpy(device,"");
@@ -59,6 +65,9 @@ int main(int argc,char **argv) {
                                case 'h':
                                        usage();
                                        return 1;
+                               case 'i':
+                                       print_info=1;
+                                       break;
                                case 'r':
                                        mode=RECORD;
                                        strcpy(record_file,argv[++i]);
@@ -84,6 +93,11 @@ int main(int argc,char **argv) {
                                case 'd':
                                        strncpy(device,argv[++i],MAX_C_DEVICE-1);
                                        break;
+                               case 'c':
+                                       mode=CONVERT;
+                                       strcpy(play_file,argv[++i]);
+                                       strcpy(record_file,argv[++i]);
+                                       break;
                                default:
                                        usage();
                                        return -1;
@@ -106,19 +120,50 @@ int main(int argc,char **argv) {
        }
 
        /* file fd's */
-       if(mode&PLAY) {
+       if((mode&PLAY) || (mode&CONVERT)) {
                if((pfile_fd=open_file(play_file,O_RDONLY))==-1) {
                        printf("unable to open file %s for reading\n",play_file);
                        return -1;
                }
        }
-       if(mode&RECORD) {
+       if((mode&RECORD) || (mode&CONVERT)) {
                if((sfile_fd=open_file(record_file,O_CREAT|O_WRONLY))==-1) {
                        printf("unable to open file %s for writing\n",record_file);
                        return -1;
                }
        }
 
+       if(print_info) {
+               if(mode&PLAY) {
+                       printf("file info:\n");
+                       lseek(pfile_fd,4,SEEK_SET);
+                       read(pfile_fd,&info_int,4);
+                       printf("file size: %d\n",info_int);
+                       lseek(pfile_fd,8,SEEK_CUR);
+                       read(pfile_fd,&info_int,4);
+                       printf("fmtsize: %d\n",info_int);
+                       if(info_int==16) set.format=AFMT_S16_LE;
+                       if(info_int==8) set.format=AFMT_U8;
+                       read(pfile_fd,&info_int,4);
+                       printf("format tag: %d\n",info_int&0xffff);
+                       printf("channels: %d\n",(info_int>>16)&0xffff);
+                       set.channel=(info_int>>16)&0xffff;
+                       read(pfile_fd,&info_int,4);
+                       printf("samples/sec: %d\n",info_int);
+                       set.freq=info_int;
+                       read(pfile_fd,&info_int,4);
+                       printf("bytes/sec: %d\n",info_int);
+                       read(pfile_fd,&info_int,4);
+                       printf("block allign: %d\n",info_int&0xffff);
+                       printf("bits/sample: %d\n",(info_int>>16)&0xffff);
+                       lseek(pfile_fd,4,SEEK_CUR);
+                       read(pfile_fd,&info_int,4);
+                       printf("datasize: %d\n\n",info_int);
+                       /* return to start */
+                       lseek(pfile_fd,0,SEEK_SET);
+               }
+       }
+
        /* set dsp and get capabilities */
        if(get_dsp_cap(audio_fd,&set,1)==-1) {
                printf("unable to get capabilities :(\n");
@@ -135,7 +180,7 @@ int main(int argc,char **argv) {
                perror("malloc");
                return -1;
        }
-       
+
        if(mode&PLAY) {
                printf("playing file %s ...\n",play_file);
                rw=1;
@@ -154,5 +199,45 @@ int main(int argc,char **argv) {
                }
        }
 
+       if(mode&CONVERT) {
+               if((tmp=lseek(pfile_fd,0,SEEK_END))==-1) {
+                       printf("cannot determine filesize :(\n");
+                       perror("lseek");
+                       return -1;
+               }
+               lseek(pfile_fd,0,SEEK_SET);
+               strcpy(info,"RIFF");
+               write(sfile_fd,info,4);
+               info_int=tmp+36;
+               write(sfile_fd,&info_int,4);
+               strcpy(info,"WAVEfmt ");
+               write(sfile_fd,info,8);
+               if(set.format==AFMT_S16_LE) info_int=16;
+               if(set.format==AFMT_U8) info_int=8;
+               write(sfile_fd,&info_int,4);
+               info_int=set.channel<<16;
+               info_int|=1;
+               write(sfile_fd,&info_int,4);
+               info_int=set.freq;
+               write(sfile_fd,&info_int,4);
+               info_int=set.freq*set.channel;
+               if(set.format==AFMT_S16_LE) info_int*=2;
+               write(sfile_fd,&info_int,4);
+               info_int=(set.channel*8)<<16;
+               info_int|=set.channel;
+               write(sfile_fd,&info_int,4);
+               strcpy(info,"data");
+               write(sfile_fd,info,4);
+               info_int=tmp;
+               write(sfile_fd,&info_int,4);
+               /* write data now ... */
+               for(j=0;j<tmp/set.bufsize;j++) {
+                       i=read(pfile_fd,buf,set.bufsize);
+                       k=write(sfile_fd,buf,set.bufsize);
+                       printf("read %d, wrote %d\n",i,k);
+               }
+               printf("\ndone ...\n");
+       }
+                       
        return 1;
 }