bool_t read_metadata(FLAC__StreamDecoder *decoder, callback_info *info)
{
FLAC__StreamDecoderState ret;
reset_info(info);
/* Reset the decoder */
if (FLAC__stream_decoder_reset(decoder) == false)
{
FLACNG_ERROR("Could not reset the decoder!\n");
return FALSE;
}
/* Try to decode the metadata */
if (FLAC__stream_decoder_process_until_end_of_metadata(decoder) == false)
{
ret = FLAC__stream_decoder_get_state(decoder);
AUDDBG("Could not read the metadata: %s(%d)!\n",
FLAC__StreamDecoderStateString[ret], ret);
reset_info(info);
return FALSE;
}
return TRUE;
}
FLAC_API FLAC__bool FLAC__seekable_stream_decoder_reset(FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(0 != decoder);
FLAC__ASSERT(0 != decoder->private_);
FLAC__ASSERT(0 != decoder->protected_);
if(!FLAC__seekable_stream_decoder_flush(decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
if(!FLAC__stream_decoder_reset(decoder->private_->stream_decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
decoder->private_->seek_table = 0;
decoder->private_->do_md5_checking = decoder->protected_->md5_checking;
/* We initialize the FLAC__MD5Context even though we may never use it. This
* is because md5 checking may be turned on to start and then turned off if
* a seek occurs. So we always init the context here and finalize it in
* FLAC__seekable_stream_decoder_finish() to make sure things are always
* cleaned up properly.
*/
FLAC__MD5Init(&decoder->private_->md5context);
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_OK;
return true;
}
FLAC__bool EasyFLAC__reset(EasyFLAC__StreamDecoder *decoder)
{
if (decoder->is_oggflac)
return OggFLAC__stream_decoder_reset(decoder->oggflac);
else
return FLAC__stream_decoder_reset(decoder->flac);
}
flac_header_extractor_c::~flac_header_extractor_c() {
FLAC__stream_decoder_reset(decoder);
FLAC__stream_decoder_delete(decoder);
ogg_sync_clear(&oy);
ogg_stream_clear(&os);
delete file;
}
FLAC__bool OggFLAC__stream_decoder_reset(OggFLAC__StreamDecoder *decoder)
{
FLAC__ASSERT(0 != decoder);
FLAC__ASSERT(0 != decoder->private_);
FLAC__ASSERT(0 != decoder->protected_);
if(!OggFLAC__stream_decoder_flush(decoder)) {
decoder->protected_->state = OggFLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
return false;
}
if(!FLAC__stream_decoder_reset(decoder->private_->FLAC_stream_decoder)) {
decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
return false;
}
decoder->protected_->state = OggFLAC__STREAM_DECODER_OK;
return true;
}
FLAC_API FLAC__bool FLAC__seekable_stream_decoder_seek_absolute(FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 sample)
{
FLAC__uint64 length;
FLAC__ASSERT(0 != decoder);
FLAC__ASSERT(decoder->protected_->state == FLAC__SEEKABLE_STREAM_DECODER_OK || decoder->protected_->state == FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM);
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_SEEKING;
/* turn off md5 checking if a seek is attempted */
decoder->private_->do_md5_checking = false;
if(!FLAC__stream_decoder_reset(decoder->private_->stream_decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
/* get the file length */
if(decoder->private_->length_callback(decoder, &length, decoder->private_->client_data) != FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR;
return false;
}
/* rewind */
if(decoder->private_->seek_callback(decoder, 0, decoder->private_->client_data) != FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR;
return false;
}
if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder->private_->stream_decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
if(decoder->private_->stream_info.total_samples > 0 && sample >= decoder->private_->stream_info.total_samples) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR;
return false;
}
return seek_to_absolute_sample_(decoder, length, sample);
}
static FLAC__bool test_stream_decoder(Layer layer, FLAC__bool is_ogg)
{
FLAC__StreamDecoder *decoder;
FLAC__StreamDecoderInitStatus init_status;
FLAC__StreamDecoderState state;
StreamDecoderClientData decoder_client_data;
FLAC__bool expect;
decoder_client_data.layer = layer;
printf("\n+++ libFLAC unit test: FLAC__StreamDecoder (layer: %s, format: %s)\n\n", LayerString[layer], is_ogg? "Ogg FLAC" : "FLAC");
printf("testing FLAC__stream_decoder_new()... ");
decoder = FLAC__stream_decoder_new();
if(0 == decoder) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing FLAC__stream_decoder_delete()... ");
FLAC__stream_decoder_delete(decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_new()... ");
decoder = FLAC__stream_decoder_new();
if(0 == decoder) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
switch(layer) {
case LAYER_STREAM:
case LAYER_SEEKABLE_STREAM:
printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_stream(decoder, 0, 0, 0, 0, 0, 0, 0, 0, 0) :
FLAC__stream_decoder_init_stream(decoder, 0, 0, 0, 0, 0, 0, 0, 0, 0);
break;
case LAYER_FILE:
printf("testing FLAC__stream_decoder_init_%sFILE()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_FILE(decoder, stdin, 0, 0, 0, 0) :
FLAC__stream_decoder_init_FILE(decoder, stdin, 0, 0, 0, 0);
break;
case LAYER_FILENAME:
printf("testing FLAC__stream_decoder_init_%sfile()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_file(decoder, flacfilename(is_ogg), 0, 0, 0, 0) :
FLAC__stream_decoder_init_file(decoder, flacfilename(is_ogg), 0, 0, 0, 0);
break;
default:
die_("internal error 003");
return false;
}
if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_INVALID_CALLBACKS)
return die_s_(0, decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_delete()... ");
FLAC__stream_decoder_delete(decoder);
printf("OK\n");
num_expected_ = 0;
expected_metadata_sequence_[num_expected_++] = &streaminfo_;
printf("testing FLAC__stream_decoder_new()... ");
decoder = FLAC__stream_decoder_new();
if(0 == decoder) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
if(is_ogg) {
printf("testing FLAC__stream_decoder_set_ogg_serial_number()... ");
if(!FLAC__stream_decoder_set_ogg_serial_number(decoder, file_utils__ogg_serial_number))
return die_s_("returned false", decoder);
printf("OK\n");
}
printf("testing FLAC__stream_decoder_set_md5_checking()... ");
if(!FLAC__stream_decoder_set_md5_checking(decoder, true))
return die_s_("returned false", decoder);
printf("OK\n");
if(layer < LAYER_FILENAME) {
printf("opening %sFLAC file... ", is_ogg? "Ogg ":"");
decoder_client_data.file = fopen(flacfilename(is_ogg), "rb");
if(0 == decoder_client_data.file) {
printf("ERROR (%s)\n", strerror(errno));
return false;
}
printf("OK\n");
}
switch(layer) {
case LAYER_STREAM:
printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_stream(decoder, stream_decoder_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) :
FLAC__stream_decoder_init_stream(decoder, stream_decoder_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data);
break;
case LAYER_SEEKABLE_STREAM:
printf("testing FLAC__stream_decoder_init_%sstream()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_stream(decoder, stream_decoder_read_callback_, stream_decoder_seek_callback_, stream_decoder_tell_callback_, stream_decoder_length_callback_, stream_decoder_eof_callback_, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) :
FLAC__stream_decoder_init_stream(decoder, stream_decoder_read_callback_, stream_decoder_seek_callback_, stream_decoder_tell_callback_, stream_decoder_length_callback_, stream_decoder_eof_callback_, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data);
break;
case LAYER_FILE:
printf("testing FLAC__stream_decoder_init_%sFILE()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_FILE(decoder, decoder_client_data.file, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) :
FLAC__stream_decoder_init_FILE(decoder, decoder_client_data.file, stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data);
break;
case LAYER_FILENAME:
printf("testing FLAC__stream_decoder_init_%sfile()... ", is_ogg? "ogg_":"");
init_status = is_ogg?
FLAC__stream_decoder_init_ogg_file(decoder, flacfilename(is_ogg), stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data) :
FLAC__stream_decoder_init_file(decoder, flacfilename(is_ogg), stream_decoder_write_callback_, stream_decoder_metadata_callback_, stream_decoder_error_callback_, &decoder_client_data);
break;
default:
die_("internal error 009");
return false;
}
if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK)
return die_s_(0, decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_get_state()... ");
state = FLAC__stream_decoder_get_state(decoder);
printf("returned state = %u (%s)... OK\n", state, FLAC__StreamDecoderStateString[state]);
decoder_client_data.current_metadata_number = 0;
decoder_client_data.ignore_errors = false;
decoder_client_data.error_occurred = false;
printf("testing FLAC__stream_decoder_get_md5_checking()... ");
if(!FLAC__stream_decoder_get_md5_checking(decoder)) {
printf("FAILED, returned false, expected true\n");
return false;
}
printf("OK\n");
printf("testing FLAC__stream_decoder_process_until_end_of_metadata()... ");
if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_process_single()... ");
if(!FLAC__stream_decoder_process_single(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_skip_single_frame()... ");
if(!FLAC__stream_decoder_skip_single_frame(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
if(layer < LAYER_FILE) {
printf("testing FLAC__stream_decoder_flush()... ");
if(!FLAC__stream_decoder_flush(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
decoder_client_data.ignore_errors = true;
printf("testing FLAC__stream_decoder_process_single()... ");
if(!FLAC__stream_decoder_process_single(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
decoder_client_data.ignore_errors = false;
}
expect = (layer != LAYER_STREAM);
printf("testing FLAC__stream_decoder_seek_absolute()... ");
if(FLAC__stream_decoder_seek_absolute(decoder, 0) != expect)
return die_s_(expect? "returned false" : "returned true", decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_process_until_end_of_stream()... ");
if(!FLAC__stream_decoder_process_until_end_of_stream(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
expect = (layer != LAYER_STREAM);
printf("testing FLAC__stream_decoder_seek_absolute()... ");
if(FLAC__stream_decoder_seek_absolute(decoder, 0) != expect)
return die_s_(expect? "returned false" : "returned true", decoder);
printf("OK\n");
printf("testing FLAC__stream_decoder_get_channels()... ");
{
unsigned channels = FLAC__stream_decoder_get_channels(decoder);
if(channels != streaminfo_.data.stream_info.channels) {
printf("FAILED, returned %u, expected %u\n", channels, streaminfo_.data.stream_info.channels);
return false;
}
}
printf("OK\n");
printf("testing FLAC__stream_decoder_get_bits_per_sample()... ");
{
unsigned bits_per_sample = FLAC__stream_decoder_get_bits_per_sample(decoder);
if(bits_per_sample != streaminfo_.data.stream_info.bits_per_sample) {
printf("FAILED, returned %u, expected %u\n", bits_per_sample, streaminfo_.data.stream_info.bits_per_sample);
return false;
}
}
printf("OK\n");
printf("testing FLAC__stream_decoder_get_sample_rate()... ");
{
unsigned sample_rate = FLAC__stream_decoder_get_sample_rate(decoder);
if(sample_rate != streaminfo_.data.stream_info.sample_rate) {
printf("FAILED, returned %u, expected %u\n", sample_rate, streaminfo_.data.stream_info.sample_rate);
return false;
}
}
printf("OK\n");
printf("testing FLAC__stream_decoder_get_blocksize()... ");
{
unsigned blocksize = FLAC__stream_decoder_get_blocksize(decoder);
/* value could be anything since we're at the last block, so accept any reasonable answer */
printf("returned %u... %s\n", blocksize, blocksize>0? "OK" : "FAILED");
if(blocksize == 0)
return false;
}
printf("testing FLAC__stream_decoder_get_channel_assignment()... ");
{
FLAC__ChannelAssignment ca = FLAC__stream_decoder_get_channel_assignment(decoder);
printf("returned %u (%s)... OK\n", (unsigned)ca, FLAC__ChannelAssignmentString[ca]);
}
if(layer < LAYER_FILE) {
printf("testing FLAC__stream_decoder_reset()... ");
if(!FLAC__stream_decoder_reset(decoder)) {
state = FLAC__stream_decoder_get_state(decoder);
printf("FAILED, returned false, state = %u (%s)\n", state, FLAC__StreamDecoderStateString[state]);
return false;
}
printf("OK\n");
if(layer == LAYER_STREAM) {
/* after a reset() we have to rewind the input ourselves */
printf("rewinding input... ");
if(fseeko(decoder_client_data.file, 0, SEEK_SET) < 0) {
printf("FAILED, errno = %d\n", errno);
return false;
}
printf("OK\n");
}
decoder_client_data.current_metadata_number = 0;
printf("testing FLAC__stream_decoder_process_until_end_of_stream()... ");
if(!FLAC__stream_decoder_process_until_end_of_stream(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
}
printf("testing FLAC__stream_decoder_finish()... ");
if(!FLAC__stream_decoder_finish(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
/*
* respond all
*/
printf("testing FLAC__stream_decoder_set_metadata_respond_all()... ");
if(!FLAC__stream_decoder_set_metadata_respond_all(decoder))
return die_s_("returned false", decoder);
printf("OK\n");
num_expected_ = 0;
if(is_ogg) { /* encoder moves vorbis comment after streaminfo according to ogg mapping */
expected_metadata_sequence_[num_expected_++] = &streaminfo_;
expected_metadata_sequence_[num_expected_++] = &vorbiscomment_;
expected_metadata_sequence_[num_expected_++] = &padding_;
expected_metadata_sequence_[num_expected_++] = &seektable_;
expected_metadata_sequence_[num_expected
bool
flac_reader_c::parse_file() {
FLAC__StreamDecoder *decoder;
FLAC__StreamDecoderState state;
flac_block_t block;
uint64_t u, old_pos;
int result, progress, old_progress;
bool ok;
m_in->setFilePointer(0);
metadata_parsed = false;
mxinfo(Y("+-> Parsing the FLAC file. This can take a LONG time.\n"));
decoder = FLAC__stream_decoder_new();
if (decoder == NULL)
mxerror(Y("flac_reader: FLAC__stream_decoder_new() failed.\n"));
if (!FLAC__stream_decoder_set_metadata_respond_all(decoder))
mxerror(Y("flac_reader: Could not set metadata_respond_all.\n"));
if (FLAC__stream_decoder_init_stream(decoder, flac_read_cb, flac_seek_cb, flac_tell_cb, flac_length_cb, flac_eof_cb, flac_write_cb,
flac_metadata_cb, flac_error_cb, this) != FLAC__STREAM_DECODER_INIT_STATUS_OK)
mxerror(Y("flac_reader: Could not initialize the FLAC decoder.\n"));
result = FLAC__stream_decoder_process_until_end_of_metadata(decoder);
mxverb(2, boost::format("flac_reader: extract->metadata, result: %1%, mdp: %2%, num blocks: %3%\n") % result % metadata_parsed % blocks.size());
if (!metadata_parsed)
mxerror_fn(m_ti.m_fname, Y("No metadata block found. This file is broken.\n"));
FLAC__stream_decoder_get_decode_position(decoder, &u);
block.type = FLAC_BLOCK_TYPE_HEADERS;
block.filepos = 0;
block.len = u;
old_pos = u;
blocks.push_back(block);
mxverb(2, boost::format("flac_reader: headers: block at %1% with size %2%\n") % block.filepos % block.len);
old_progress = -5;
ok = FLAC__stream_decoder_skip_single_frame(decoder);
while (ok) {
state = FLAC__stream_decoder_get_state(decoder);
progress = m_in->getFilePointer() * 100 / m_size;
if ((progress - old_progress) >= 5) {
mxinfo(boost::format(Y("+-> Pre-parsing FLAC file: %1%%%%2%")) % progress % "\r");
old_progress = progress;
}
if (FLAC__stream_decoder_get_decode_position(decoder, &u) && (u != old_pos)) {
block.type = FLAC_BLOCK_TYPE_DATA;
block.filepos = old_pos;
block.len = u - old_pos;
old_pos = u;
blocks.push_back(block);
mxverb(2, boost::format("flac_reader: skip/decode frame, block at %1% with size %2%\n") % block.filepos % block.len);
}
if (state > FLAC__STREAM_DECODER_READ_FRAME)
break;
ok = FLAC__stream_decoder_skip_single_frame(decoder);
}
if (100 != old_progress)
mxinfo(Y("+-> Pre-parsing FLAC file: 100%\n"));
else
mxinfo("\n");
if ((blocks.size() == 0) || (blocks[0].type != FLAC_BLOCK_TYPE_HEADERS))
mxerror(Y("flac_reader: Could not read all header packets.\n"));
FLAC__stream_decoder_reset(decoder);
FLAC__stream_decoder_delete(decoder);
m_in->setFilePointer(0);
blocks[0].len -= 4;
blocks[0].filepos = 4;
return metadata_parsed;
}
