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Commit 4397b271 authored by Josh Coalson's avatar Josh Coalson
Browse files

add support for MD5 checking and a test mode

parent f8a4877e
Hide whitespace changes
Inline Side-by-side
src/flac/decode.c
View file @ 4397b271
......@@ -30,6 +30,7 @@
typedef struct {
FILE *fout;
bool abort_flag;
bool test_only;
bool is_wave_out;
bool is_big_endian;
bool is_unsigned_samples;
......@@ -57,23 +58,27 @@ static void print_stats(const stream_info_struct *stream_info);
int decode_wav(const char *infile, const char *outfile, bool verbose, uint64 skip)
{
bool md5_failure = false;
stream_info_struct stream_info;
decoder = 0;
stream_info.abort_flag = false;
stream_info.test_only = (outfile == 0);
stream_info.is_wave_out = true;
stream_info.verbose = verbose;
stream_info.skip = skip;
stream_info.samples_processed = 0;
stream_info.frame_counter = 0;
if(0 == strcmp(outfile, "-")) {
stream_info.fout = stdout;
}
else {
if(0 == (stream_info.fout = fopen(outfile, "wb"))) {
fprintf(stderr, "ERROR: can't open output file %s\n", outfile);
return false;
if(!stream_info.test_only) {
if(0 == strcmp(outfile, "-")) {
stream_info.fout = stdout;
}
else {
if(0 == (stream_info.fout = fopen(outfile, "wb"))) {
fprintf(stderr, "ERROR: can't open output file %s\n", outfile);
return false;
}
}
}
......@@ -82,42 +87,52 @@ int decode_wav(const char *infile, const char *outfile, bool verbose, uint64 ski
if(skip > 0) {
if(!FLAC__file_decoder_process_metadata(decoder)) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto wav_abort_;
}
if(!FLAC__file_decoder_seek_absolute(decoder, skip)) {
fprintf(stderr, "ERROR seeking while skipping bytes in input file %s\n", infile);
fprintf(stderr, "%s: ERROR seeking while skipping bytes\n", infile);
goto wav_abort_;
}
if(!FLAC__file_decoder_process_remaining_frames(decoder)) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto wav_abort_;
}
if(decoder->state != FLAC__FILE_DECODER_OK && decoder->state != FLAC__FILE_DECODER_END_OF_FILE) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto wav_abort_;
}
}
else {
if(!FLAC__file_decoder_process_whole_file(decoder)) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto wav_abort_;
}
if(decoder->state != FLAC__FILE_DECODER_OK && decoder->state != FLAC__FILE_DECODER_END_OF_FILE) {
fprintf(stderr, "ERROR during decoding, state=%d:%s\n", decoder->state, FLAC__FileDecoderStateString[decoder->state]);
fprintf(stderr, "%s: ERROR during decoding, state=%d:%s\n", infile, decoder->state, FLAC__FileDecoderStateString[decoder->state]);
goto wav_abort_;
}
}
if(decoder) {
if(decoder->state != FLAC__FILE_DECODER_UNINITIALIZED)
FLAC__file_decoder_finish(decoder);
md5_failure = !FLAC__file_decoder_finish(decoder);
print_stats(&stream_info);
FLAC__file_decoder_free_instance(decoder);
}
fclose(stream_info.fout);
if(!stream_info.test_only)
fclose(stream_info.fout);
if(verbose)
printf("\n");
fflush(stdout);
if(md5_failure) {
fprintf(stderr, "%s: WARNING, MD5 signature mismatch\n", infile);
return 1;
}
else {
if(stream_info.test_only)
printf("%s: ok\n", infile);
}
return 0;
wav_abort_:
if(decoder) {
......@@ -125,17 +140,21 @@ wav_abort_:
FLAC__file_decoder_finish(decoder);
FLAC__file_decoder_free_instance(decoder);
}
fclose(stream_info.fout);
unlink(outfile);
if(!stream_info.test_only) {
fclose(stream_info.fout);
unlink(outfile);
}
return 1;
}
int decode_raw(const char *infile, const char *outfile, bool verbose, uint64 skip, bool is_big_endian, bool is_unsigned_samples)
{
bool md5_failure = false;
stream_info_struct stream_info;
decoder = 0;
stream_info.abort_flag = false;
stream_info.test_only = (outfile == 0);
stream_info.is_wave_out = false;
stream_info.is_big_endian = is_big_endian;
stream_info.is_unsigned_samples = is_unsigned_samples;
......@@ -144,13 +163,15 @@ int decode_raw(const char *infile, const char *outfile, bool verbose, uint64 ski
stream_info.samples_processed = 0;
stream_info.frame_counter = 0;
if(0 == strcmp(outfile, "-")) {
stream_info.fout = stdout;
}
else {
if(0 == (stream_info.fout = fopen(outfile, "wb"))) {
fprintf(stderr, "ERROR: can't open output file %s\n", outfile);
return false;
if(!stream_info.test_only) {
if(0 == strcmp(outfile, "-")) {
stream_info.fout = stdout;
}
else {
if(0 == (stream_info.fout = fopen(outfile, "wb"))) {
fprintf(stderr, "ERROR: can't open output file %s\n", outfile);
return false;
}
}
}
......@@ -159,42 +180,52 @@ int decode_raw(const char *infile, const char *outfile, bool verbose, uint64 ski
if(skip > 0) {
if(!FLAC__file_decoder_process_metadata(decoder)) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto raw_abort_;
}
if(!FLAC__file_decoder_seek_absolute(decoder, skip)) {
fprintf(stderr, "ERROR seeking while skipping bytes in input file %s\n", infile);
fprintf(stderr, "%s: ERROR seeking while skipping bytes\n", infile);
goto raw_abort_;
}
if(!FLAC__file_decoder_process_remaining_frames(decoder)) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto raw_abort_;
}
if(decoder->state != FLAC__FILE_DECODER_OK && decoder->state != FLAC__FILE_DECODER_END_OF_FILE) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto raw_abort_;
}
}
else {
if(!FLAC__file_decoder_process_whole_file(decoder)) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto raw_abort_;
}
if(decoder->state != FLAC__FILE_DECODER_OK && decoder->state != FLAC__FILE_DECODER_END_OF_FILE) {
fprintf(stderr, "ERROR during decoding\n");
fprintf(stderr, "%s: ERROR during decoding\n", infile);
goto raw_abort_;
}
}
if(decoder) {
if(decoder->state != FLAC__FILE_DECODER_UNINITIALIZED)
FLAC__file_decoder_finish(decoder);
md5_failure = !FLAC__file_decoder_finish(decoder);
print_stats(&stream_info);
FLAC__file_decoder_free_instance(decoder);
}
fclose(stream_info.fout);
if(!stream_info.test_only)
fclose(stream_info.fout);
if(verbose)
printf("\n");
fflush(stdout);
if(md5_failure) {
fprintf(stderr, "%s: WARNING, MD5 signature mismatch\n", infile);
return 1;
}
else {
if(stream_info.test_only)
printf("%s: ok\n", infile);
}
return 0;
raw_abort_:
if(decoder) {
......@@ -202,8 +233,10 @@ raw_abort_:
FLAC__file_decoder_finish(decoder);
FLAC__file_decoder_free_instance(decoder);
}
fclose(stream_info.fout);
unlink(outfile);
if(!stream_info.test_only) {
fclose(stream_info.fout);
unlink(outfile);
}
return 1;
}
......@@ -218,6 +251,7 @@ bool init(const char *infile, stream_info_struct *stream_info)
fprintf(stderr, "ERROR creating the decoder instance\n");
return false;
}
decoder->check_md5 = true;
if(FLAC__file_decoder_init(decoder, infile, write_callback, metadata_callback, error_callback, stream_info) != FLAC__FILE_DECODER_OK) {
fprintf(stderr, "ERROR initializing decoder, state = %d\n", decoder->state);
......@@ -272,41 +306,43 @@ FLAC__StreamDecoderWriteStatus write_callback(const FLAC__FileDecoder *decoder,
if(stream_info->verbose && !(stream_info->frame_counter & 0x1f))
print_stats(stream_info);
if(bps == 8) {
if(is_unsigned_samples) {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
ucbuffer[sample] = buffer[channel][wide_sample] + 128;
}
else {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
scbuffer[sample] = buffer[channel][wide_sample];
}
if(fwrite(ucbuffer, 1, sample, fout) != sample)
return FLAC__STREAM_DECODER_WRITE_ABORT;
}
else { /* bps == 16 */
if(is_unsigned_samples) {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
usbuffer[sample] = buffer[channel][wide_sample] + 32768;
}
else {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
ssbuffer[sample] = buffer[channel][wide_sample];
if(!stream_info->test_only) {
if(bps == 8) {
if(is_unsigned_samples) {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
ucbuffer[sample] = buffer[channel][wide_sample] + 128;
}
else {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
scbuffer[sample] = buffer[channel][wide_sample];
}
if(fwrite(ucbuffer, 1, sample, fout) != sample)
return FLAC__STREAM_DECODER_WRITE_ABORT;
}
if(is_big_endian != is_big_endian_host) {
unsigned char tmp;
for(byte = 0; byte < sample<<1; byte += 2) {
tmp = ucbuffer[byte];
ucbuffer[byte] = ucbuffer[byte+1];
ucbuffer[byte+1] = tmp;
else { /* bps == 16 */
if(is_unsigned_samples) {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
usbuffer[sample] = buffer[channel][wide_sample] + 32768;
}
else {
for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
for(channel = 0; channel < channels; channel++, sample++)
ssbuffer[sample] = buffer[channel][wide_sample];
}
if(is_big_endian != is_big_endian_host) {
unsigned char tmp;
for(byte = 0; byte < sample<<1; byte += 2) {
tmp = ucbuffer[byte];
ucbuffer[byte] = ucbuffer[byte+1];
ucbuffer[byte+1] = tmp;
}
}
if(fwrite(usbuffer, 2, sample, fout) != sample)
return FLAC__STREAM_DECODER_WRITE_ABORT;
}
if(fwrite(usbuffer, 2, sample, fout) != sample)
return FLAC__STREAM_DECODER_WRITE_ABORT;
}
return FLAC__STREAM_DECODER_WRITE_CONTINUE;
}
......@@ -328,7 +364,7 @@ void metadata_callback(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaD
}
/* write the WAVE headers if necessary */
if(stream_info->is_wave_out) {
if(!stream_info->test_only && stream_info->is_wave_out) {
uint64 data_size = stream_info->total_samples * stream_info->channels * ((stream_info->bps+7)/8);
if(data_size >= 0xFFFFFFDC) {
fprintf(stderr, "ERROR: stream is too big for a wave file\n");
......@@ -362,7 +398,8 @@ void error_callback(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorSt
void print_stats(const stream_info_struct *stream_info)
{
if(stream_info->verbose) {
printf("\rwrote %u of %u samples, %6.2f%% complete",
printf("\r%s %u of %u samples, %6.2f%% complete",
stream_info->test_only? "tested" : "wrote",
(unsigned)stream_info->samples_processed,
(unsigned)stream_info->total_samples,
#ifdef _MSC_VER
......
src/flac/decode.h
View file @ 4397b271
......@@ -19,6 +19,7 @@
#ifndef flac__decode_h
#define flac__decode_h
/* outfile == 0 => test only */
int decode_wav(const char *infile, const char *outfile, bool verbose, uint64 skip);
int decode_raw(const char *infile, const char *outfile, bool verbose, uint64 skip, bool is_big_endian, bool is_unsigned_samples);
......
src/flac/main.c
View file @ 4397b271
......@@ -31,7 +31,8 @@ static int usage(const char *message, ...);
int main(int argc, char *argv[])
{
int i;
bool verify = false, verbose = true, lax = false, mode_decode = false, do_mid_side = true, do_exhaustive_model_search = false, do_qlp_coeff_prec_search = false;
bool verify = false, verbose = true, lax = false, mode_decode = false, test_only = false;
bool do_mid_side = true, do_exhaustive_model_search = false, do_qlp_coeff_prec_search = false;
unsigned max_lpc_order = 8;
unsigned qlp_coeff_precision = 0;
uint64 skip = 0;
......@@ -48,6 +49,10 @@ int main(int argc, char *argv[])
break;
if(0 == strcmp(argv[i], "-d"))
mode_decode = true;
else if(0 == strcmp(argv[i], "-t")) {
mode_decode = true;
test_only = true;
}
else if(0 == strcmp(argv[i], "-s"))
verbose = false;
else if(0 == strcmp(argv[i], "-s-"))
......@@ -158,8 +163,8 @@ int main(int argc, char *argv[])
return usage("ERROR: invalid option '%s'\n", argv[i]);
}
}
if(i + 2 != argc)
return usage("ERROR: invalid arguments (more/less than 2 filenames?)\n");
if(i + (test_only? 1:2) != argc)
return usage("ERROR: invalid arguments (more/less than %d filename%s?)\n", (test_only? 1:2), (test_only? "":"s"));
/* tweak options based on the filenames; validate the values */
if(!mode_decode) {
......@@ -191,15 +196,17 @@ int main(int argc, char *argv[])
}
}
else {
if(format_is_wave < 0) {
if(strstr(argv[i+1], ".wav") == argv[i+1] + (strlen(argv[i+1]) - strlen(".wav")))
format_is_wave = true;
else
format_is_wave = false;
}
if(!format_is_wave) {
if(format_is_big_endian < 0)
return usage("ERROR: for decoding to a raw file you must specify -fb or -fl\n");
if(!test_only) {
if(format_is_wave < 0) {
if(strstr(argv[i+1], ".wav") == argv[i+1] + (strlen(argv[i+1]) - strlen(".wav")))
format_is_wave = true;
else
format_is_wave = false;
}
if(!format_is_wave) {
if(format_is_big_endian < 0)
return usage("ERROR: for decoding to a raw file you must specify -fb or -fl\n");
}
}
}
......@@ -225,7 +232,7 @@ int main(int argc, char *argv[])
}
/* turn off verbosity if the output stream is going to stdout */
if(0 == strcmp(argv[i+1], "-"))
if(!test_only && 0 == strcmp(argv[i+1], "-"))
verbose = false;
if(verbose) {
......@@ -246,9 +253,9 @@ int main(int argc, char *argv[])
if(mode_decode)
if(format_is_wave)
return decode_wav(argv[i], argv[i+1], verbose, skip);
return decode_wav(argv[i], test_only? 0 : argv[i+1], verbose, skip);
else
return decode_raw(argv[i], argv[i+1], verbose, skip, format_is_big_endian, format_is_unsigned_samples);
return decode_raw(argv[i], test_only? 0 : argv[i+1], verbose, skip, format_is_big_endian, format_is_unsigned_samples);
else
if(format_is_wave)
return encode_wav(argv[i], argv[i+1], verbose, skip, verify, lax, do_mid_side, do_exhaustive_model_search, do_qlp_coeff_prec_search, rice_optimization_level, max_lpc_order, (unsigned)blocksize, qlp_coeff_precision);
......@@ -263,8 +270,6 @@ int usage(const char *message, ...)
va_list args;
if(message) {
fprintf(stderr, message);
fprintf(stderr, "\n");
va_start(args, message);
(void) vfprintf(stderr, message, args);
......
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