AuroraMiddleware/flac
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change the command line usage to match flac, tweak the look of the output

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This commit is contained in:
Josh Coalson 2001-06-27 06:45:06 +00:00
parent a36c9d1175
commit 9e17b47f1e
1 changed files with 49 additions and 46 deletions
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95
src/metaflac/main.c
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@ -42,11 +42,11 @@ static int usage(const char *message, ...);
static FLAC__bool list(FILE *f, FLAC__bool verbose); static FLAC__bool list(FILE *f, FLAC__bool verbose);
static FLAC__uint32 unpack_uint32(FLAC__byte *b, unsigned bytes); static FLAC__uint32 unpack_uint32(FLAC__byte *b, unsigned bytes);
static FLAC__uint64 unpack_uint64(FLAC__byte *b, unsigned bytes); static FLAC__uint64 unpack_uint64(FLAC__byte *b, unsigned bytes);
static void hexdump(const FLAC__byte *buf, unsigned bytes); static void hexdump(const FLAC__byte *buf, unsigned bytes, const char *indent);
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int i; int i, first_file, retval = 0;
FLAC__bool verbose = false, list_mode = true; FLAC__bool verbose = false, list_mode = true;
if(argc <= 1) if(argc <= 1)
@ -66,24 +66,29 @@ int main(int argc, char *argv[])
return usage("ERROR: invalid option '%s'\n", argv[i]); return usage("ERROR: invalid option '%s'\n", argv[i]);
} }
} }
if(i + (list_mode? 1:2) != argc) if(i == argc)
return usage("ERROR: invalid arguments (more/less than %d filename%s?)\n", (list_mode? 1:2), (list_mode? "":"s")); return usage(0);
if(list_mode) { if(list_mode) {
FILE *f = fopen(argv[i], "r"); for(first_file = i; i < argc; i++) {
FILE *f = fopen(argv[i], "r");
if(0 == f) { if(0 == f) {
fprintf(stderr, "ERROR opening %s\n", argv[i]); fprintf(stderr, "ERROR opening %s\n", argv[i]);
return 1; retval = 1;
}
else {
printf("%sfile: %s\n", i==first_file? "" : "\n", argv[i]);
if(!list(f, verbose))
retval = 1;
fclose(f);
}
} }
if(!list(f, verbose))
return 1;
fclose(f);
} }
return 0; return retval;
} }
int usage(const char *message, ...) int usage(const char *message, ...)
@ -117,13 +122,13 @@ int usage(const char *message, ...)
printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"); printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
printf("==============================================================================\n"); printf("==============================================================================\n");
printf("Usage:\n"); printf("Usage:\n");
printf(" metaflac [options] infile [outfile]\n"); printf(" metaflac [options] flacfile [...]\n");
printf("\n"); printf("\n");
printf("options:\n"); printf("options:\n");
printf(" -l : list metadata blocks\n"); printf(" -l : list metadata blocks\n");
printf(" -v : verbose\n"); printf(" -v : verbose\n");
return 1; return message? 1 : 0;
} }
FLAC__bool list(FILE *f, FLAC__bool verbose) FLAC__bool list(FILE *f, FLAC__bool verbose)
@ -153,19 +158,19 @@ FLAC__bool list(FILE *f, FLAC__bool verbose)
/* print header */ /* print header */
printf("METADATA block #%u\n", blocknum); printf("METADATA block #%u\n", blocknum);
printf("byte offset: %u\n", byte_offset); printf(" byte offset: %u\n", byte_offset);
printf("type: %u (%s)\n", (unsigned)metadata.type, metadata.type<=FLAC__METADATA_TYPE_SEEKTABLE? metadata_type_string_[metadata.type] : "UNKNOWN"); printf(" type: %u (%s)\n", (unsigned)metadata.type, metadata.type<=FLAC__METADATA_TYPE_SEEKTABLE? metadata_type_string_[metadata.type] : "UNKNOWN");
printf("is last: %s\n", metadata.is_last? "true":"false"); printf(" is last: %s\n", metadata.is_last? "true":"false");
printf("length: %u\n", metadata.length); printf(" length: %u\n", metadata.length);
if(metadata.length > sizeof(buf)) { if(metadata.length > sizeof(buf)) {
printf("SKIPPING large block\n\n"); printf(" SKIPPING large block\n");
continue; continue;
} }
/* read the metadata block data */ /* read the metadata block data */
if(fread(buf, 1, metadata.length, f) < metadata.length) { if(fread(buf, 1, metadata.length, f) < metadata.length) {
fprintf(stderr, "ERROR: short count reading metadata block data\n\n"); fprintf(stderr, "ERROR: short count reading metadata block data\n");
return false; return false;
} }
switch(metadata.type) { switch(metadata.type) {
@ -195,55 +200,53 @@ FLAC__bool list(FILE *f, FLAC__bool verbose)
b = buf; /* we leave the points in buf for printing later */ b = buf; /* we leave the points in buf for printing later */
break; break;
default: default:
printf("SKIPPING block of unknown type\n\n"); printf("SKIPPING block of unknown type\n");
continue; continue;
} }
/* print data */ /* print data */
switch(metadata.type) { switch(metadata.type) {
case FLAC__METADATA_TYPE_STREAMINFO: case FLAC__METADATA_TYPE_STREAMINFO:
printf("minumum blocksize: %u samples\n", metadata.data.stream_info.min_blocksize); printf(" minumum blocksize: %u samples\n", metadata.data.stream_info.min_blocksize);
printf("maximum blocksize: %u samples\n", metadata.data.stream_info.max_blocksize); printf(" maximum blocksize: %u samples\n", metadata.data.stream_info.max_blocksize);
printf("minimum framesize: %u bytes\n", metadata.data.stream_info.min_framesize); printf(" minimum framesize: %u bytes\n", metadata.data.stream_info.min_framesize);
printf("maximum framesize: %u bytes\n", metadata.data.stream_info.max_framesize); printf(" maximum framesize: %u bytes\n", metadata.data.stream_info.max_framesize);
printf("sample_rate: %u Hz\n", metadata.data.stream_info.sample_rate); printf(" sample_rate: %u Hz\n", metadata.data.stream_info.sample_rate);
printf("channels: %u\n", metadata.data.stream_info.channels); printf(" channels: %u\n", metadata.data.stream_info.channels);
printf("bits-per-sample: %u\n", metadata.data.stream_info.bits_per_sample); printf(" bits-per-sample: %u\n", metadata.data.stream_info.bits_per_sample);
printf("total samples: %llu\n", metadata.data.stream_info.total_samples); printf(" total samples: %llu\n", metadata.data.stream_info.total_samples);
printf("MD5 signature: "); printf(" MD5 signature: ");
for(i = 0; i < 16; i++) for(i = 0; i < 16; i++)
printf("%02x", metadata.data.stream_info.md5sum[i]); printf("%02x", metadata.data.stream_info.md5sum[i]);
printf("\n"); printf("\n");
break; break;
case FLAC__METADATA_TYPE_PADDING: case FLAC__METADATA_TYPE_PADDING:
if(verbose) { if(verbose) {
printf("pad contents:\n"); printf(" pad contents:\n");
hexdump(buf, metadata.length); hexdump(buf, metadata.length, " ");
} }
break; break;
case FLAC__METADATA_TYPE_APPLICATION: case FLAC__METADATA_TYPE_APPLICATION:
printf("Application ID: "); printf(" application ID: ");
for(i = 0; i < 4; i++) for(i = 0; i < 4; i++)
printf("%02x", metadata.data.application.id[i]); printf("%02x", metadata.data.application.id[i]);
printf("\n"); printf("\n");
if(verbose) { if(verbose) {
printf("data contents:\n"); printf(" data contents:\n");
hexdump(metadata.data.application.data, metadata.length); hexdump(metadata.data.application.data, metadata.length, " ");
} }
break; break;
case FLAC__METADATA_TYPE_SEEKTABLE: case FLAC__METADATA_TYPE_SEEKTABLE:
printf("seek points: %u\n", metadata.data.seek_table.num_points); printf(" seek points: %u\n", metadata.data.seek_table.num_points);
for(i = 0; i < metadata.data.seek_table.num_points; i++, b += SEEKPOINT_LEN_) { if(verbose) {
printf("\tpoint %d: sample_number=%llu, stream_offset=%llu, frame_samples=%u\n", i, unpack_uint64(b, 8), unpack_uint64(b+8, 8), unpack_uint32(b+16, 2)); for(i = 0; i < metadata.data.seek_table.num_points; i++, b += SEEKPOINT_LEN_)
printf(" point %d: sample_number=%llu, stream_offset=%llu, frame_samples=%u\n", i, unpack_uint64(b, 8), unpack_uint64(b+8, 8), unpack_uint32(b+16, 2));
} }
break; break;
default: default:
FLAC__ASSERT(0); FLAC__ASSERT(0);
} }
if(!metadata.is_last)
printf("\n");
blocknum++; blocknum++;
byte_offset += (4 + metadata.length); byte_offset += (4 + metadata.length);
} while (!metadata.is_last); } while (!metadata.is_last);
@ -273,17 +276,17 @@ FLAC__uint64 unpack_uint64(FLAC__byte *b, unsigned bytes)
return ret; return ret;
} }
void hexdump(const FLAC__byte *buf, unsigned bytes) void hexdump(const FLAC__byte *buf, unsigned bytes, const char *indent)
{ {
unsigned i, left = bytes; unsigned i, left = bytes;
const FLAC__byte *b = buf; const FLAC__byte *b = buf;
for(i = 0; i < bytes; i += 16) { for(i = 0; i < bytes; i += 16) {
printf("%08X: " printf("%s%08X: "
"%02X %02X %02X %02X %02X %02X %02X %02X " "%02X %02X %02X %02X %02X %02X %02X %02X "
"%02X %02X %02X %02X %02X %02X %02X %02X " "%02X %02X %02X %02X %02X %02X %02X %02X "
"%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",
i, indent, i,
left > 0? (unsigned char)b[ 0] : 0, left > 0? (unsigned char)b[ 0] : 0,
left > 1? (unsigned char)b[ 1] : 0, left > 1? (unsigned char)b[ 1] : 0,
left > 2? (unsigned char)b[ 2] : 0, left > 2? (unsigned char)b[ 2] : 0,