static void init()
{
decoder_ = FLAC__file_decoder_new();
strcpy(lastfn_, "");
InitConfig();
ReadConfig();
InitInfobox();
}
const char *grabbag__replaygain_analyze_file(const char *filename, float *title_gain, float *title_peak)
{
DecoderInstance instance;
FLAC__FileDecoder *decoder = FLAC__file_decoder_new();
if(0 == decoder)
return "memory allocation error";
instance.error = false;
/* It does these three by default but lets be explicit: */
FLAC__file_decoder_set_md5_checking(decoder, false);
FLAC__file_decoder_set_metadata_ignore_all(decoder);
FLAC__file_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_STREAMINFO);
FLAC__file_decoder_set_filename(decoder, filename);
FLAC__file_decoder_set_write_callback(decoder, write_callback_);
FLAC__file_decoder_set_metadata_callback(decoder, metadata_callback_);
FLAC__file_decoder_set_error_callback(decoder, error_callback_);
FLAC__file_decoder_set_client_data(decoder, &instance);
if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK) {
FLAC__file_decoder_delete(decoder);
return "initializing decoder";
}
if(!FLAC__file_decoder_process_until_end_of_file(decoder) || instance.error) {
FLAC__file_decoder_delete(decoder);
return "decoding file";
}
FLAC__file_decoder_delete(decoder);
grabbag__replaygain_get_title(title_gain, title_peak);
return 0;
}
static FLAC__bool seek_barrage_native_flac(const char *filename, off_t filesize, unsigned count)
{
FLAC__FileDecoder *decoder;
decoder_client_data_struct decoder_client_data;
unsigned i;
long int n;
decoder_client_data.got_data = false;
decoder_client_data.total_samples = 0;
decoder_client_data.ignore_errors = false;
decoder_client_data.error_occurred = false;
printf("\n+++ seek test: FLAC__FileDecoder\n\n");
decoder = FLAC__file_decoder_new();
if(0 == decoder)
return die_("FLAC__file_decoder_new() FAILED, returned NULL\n");
if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);
if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);
if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);
if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);
if(!FLAC__file_decoder_set_filename(decoder, filename))
return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);
if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
return die_f_("FLAC__file_decoder_init() FAILED", decoder);
if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
printf("file's total_samples is %llu\n", decoder_client_data.total_samples);
#if !defined _MSC_VER && !defined __MINGW32__ && !defined __EMX__
if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
printf("ERROR: must be total_samples < %u\n", (unsigned)RAND_MAX);
return false;
}
#endif
n = (long int)decoder_client_data.total_samples;
/* if we don't have a total samples count, just guess based on the file size */
/* @@@ should get it from last page's granulepos */
if(n == 0) {
/* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */
n = 9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample);
#if !defined _MSC_VER && !defined __MINGW32__
if(n > RAND_MAX)
n = RAND_MAX;
#endif
}
printf("Begin seek barrage, count=%u\n", count);
for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
FLAC__uint64 pos;
/* for the first 10, seek to the first 10 samples */
if (n >= 10 && i < 10) {
pos = i;
}
/* for the second 10, seek to the last 10 samples */
else if (n >= 10 && i < 20) {
pos = n - 1 - (i-10);
}
/* for the third 10, seek past the end and make sure we fail properly as expected */
else if (i < 30) {
pos = n + (i-20);
}
else {
#if !defined _MSC_VER && !defined __MINGW32__
pos = (FLAC__uint64)(random() % n);
#else
/* RAND_MAX is only 32767 in my MSVC */
pos = (FLAC__uint64)((rand()<<15|rand()) % n);
#endif
}
printf("seek(%llu)... ", pos);
fflush(stdout);
if(!FLAC__file_decoder_seek_absolute(decoder, pos)) {
if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
return die_f_("FLAC__file_decoder_seek_absolute() FAILED", decoder);
else if(decoder_client_data.total_samples == 0)
printf("seek failed, assuming it was past EOF... ");
else
printf("seek past end failed as expected... ");
/* hack to work around a deficiency in the seek API's behavior */
/* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
if(!FLAC__file_decoder_finish(decoder))
return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);
if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);
if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);
if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);
if(!FLAC__file_decoder_set_filename(decoder, filename))
return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);
if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
return die_f_("FLAC__file_decoder_init() FAILED", decoder);
if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
}
else {
printf("decode_frame... ");
fflush(stdout);
if(!FLAC__file_decoder_process_single(decoder))
return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
printf("decode_frame... ");
fflush(stdout);
if(!FLAC__file_decoder_process_single(decoder))
return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
}
printf("OK\n");
fflush(stdout);
}
if(FLAC__file_decoder_get_state(decoder) != FLAC__FILE_DECODER_UNINITIALIZED) {
if(!FLAC__file_decoder_finish(decoder))
return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
}
printf("\nPASSED!\n");
return true;
}
static libaudio_prop_t *
loader_flc_open_prop(const char *filename, libaudio_prop_t *prop)
{
flc_data_t *data;
FLAC__FileDecoder *decoder;
data = (flc_data_t *)malloc(sizeof(flc_data_t));
if (data == NULL)
return NULL;
decoder = FLAC__file_decoder_new();
if (decoder == NULL)
return NULL;
if (!flac_init(decoder, data, filename))
{
FLAC__file_decoder_delete(decoder);
free(data);
return NULL;
}
if (FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
{
FLAC__file_decoder_delete(decoder);
free(data);
return NULL;
}
/*
* The metadata callback should fill the sample_rate, channels
* and bits_per_sample values in our data structure.
*/
data->sample_rate = 0;
if (!FLAC__file_decoder_process_metadata(decoder))
{
FLAC__file_decoder_delete(decoder);
free(data);
return NULL;
}
if (data->sample_rate == 0)
{
/*
* We got no stream info while processing the metadata, odd.
*/
FLAC__file_decoder_delete(decoder);
free(data);
return NULL;
}
data->eof = 0;
data->idx = 0;
data->size = 0;
data->decoder = decoder;
prop->type = LIBAUDIO_TYPE_FLC;
prop->loader = self;
prop->loader_data = data;
prop->sample_freq = data->sample_rate;
prop->sample_size = data->bits_per_sample;
prop->channels = data->channels;
return prop;
}
void init()
{
decoder_ = FLAC__file_decoder_new();
strcpy(lastfn_, "");
}
