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