diff options
Diffstat (limited to 'src/dssi-render.c')
| -rw-r--r-- | src/dssi-render.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/dssi-render.c b/src/dssi-render.c index feec1f2..c4b560f 100644 --- a/src/dssi-render.c +++ b/src/dssi-render.c @@ -4,6 +4,8 @@ #include "ladspa_run_synth.h" #include "midi/midi_loader.h" +#define DEBUG 1 + void print_usage(void) { fprintf(stderr, "Render a midi file with a DSSI instrument.\n"); @@ -21,11 +23,17 @@ print_usage(void) { fprintf(stderr, " [-b] (clip out-of-bounds values, including Inf and NaN, to within bounds\n (calls exit()) if -b is omitted)\n"); exit(1); } + +int file_exist (char *filename) +{ + struct stat buffer; + return (stat (filename, &buffer) == 0); +} const DSSI_Descriptor *descriptor; LADSPA_Handle instanceHandle; SNDFILE *outfile; -char *output_file = "output.wav"; +char *output_file = "output.wav"; //ask anton...needs malloc? char *midi_filename = "test.mid"; int clip = 0; int have_warned = 0; @@ -171,6 +179,16 @@ main(int argc, char **argv) { } } + //make sure input and output exist + if(!file_exist(midi_filename)){ + fprintf(stderr, "ERROR:Could not find %s\n Please specify an input file with -i\n", midi_filename); + exit(1); + } + if(!file_exist(output_file)){ + fprintf(stderr, "ERROR:Could not find %s\n Please specify an output file with -o\n", output_file); + exit(1); + } + if (DEBUG) { for (int i = 0; i < nkeys; i++) { printf("key %d: %s; value: %s\n", i, configure_key[i], @@ -357,8 +375,7 @@ main(int argc, char **argv) { pluginControlIns[controlIn] = def; } if (DEBUG) { - fprintf(stderr, - "port %3d; prhd %3d; lb %6.2f; ub %6.2f; val %6.2f (%s)\n", + fprintf(stderr, "port %3d; prhd %3d; lb %6.2f; ub %6.2f; val %6.2f (%s)\n", j, prhd, lb, ub, val, pname); } controlIn++; @@ -394,6 +411,7 @@ main(int argc, char **argv) { "%s: Warning: plugin doesn't like " "configure key-value pair: \"%s\"\n", my_name, rv); + exit(1); } } } |