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decoder/dsf: fix big-endian bugs

This commit is contained in:
Max Kellermann 2014-08-23 13:35:29 +02:00
parent 8574bcd494
commit 67f0d26d17
2 changed files with 9 additions and 6 deletions
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1
NEWS
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@ -44,6 +44,7 @@ ver 0.19 (not yet released)
- dsdiff, dsf: report bit rate
- dsf: support DSD512
- dsf: support multi-channel files
- dsf: fix big-endian bugs
- dsf: fix noise at end of malformed file
- sndfile: support scanning remote files
- sndfile: support tags "comment", "album", "track", "genre"

14
src/decoder/plugins/DsfDecoderPlugin.cxx
View File

@ -127,14 +127,16 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
return false;
uint32_t samplefreq = FromLE32(dsf_fmt_chunk.sample_freq);
const unsigned channels = FromLE32(dsf_fmt_chunk.channelnum);
/* for now, only support version 1 of the standard, DSD raw stereo
files with a sample freq of 2822400 or 5644800 Hz */
if (dsf_fmt_chunk.version != 1 || dsf_fmt_chunk.formatid != 0
|| dsf_fmt_chunk.channeltype != 2
|| dsf_fmt_chunk.channelnum != 2
|| (!dsdlib_valid_freq(samplefreq)))
if (FromLE32(dsf_fmt_chunk.version) != 1 ||
FromLE32(dsf_fmt_chunk.formatid) != 0 ||
FromLE32(dsf_fmt_chunk.channeltype) != 2 ||
channels != 2 ||
!dsdlib_valid_freq(samplefreq))
return false;
uint32_t chblksize = FromLE32(dsf_fmt_chunk.block_size);
@ -170,13 +172,13 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
data_size = playable_size;
metadata->chunk_size = data_size;
metadata->channels = (unsigned) dsf_fmt_chunk.channelnum;
metadata->channels = channels;
metadata->sample_rate = samplefreq;
#ifdef HAVE_ID3TAG
metadata->id3_offset = metadata_offset;
#endif
/* check bits per sample format, determine if bitreverse is needed */
metadata->bitreverse = dsf_fmt_chunk.bitssample == 1;
metadata->bitreverse = FromLE32(dsf_fmt_chunk.bitssample) == 1;
return true;
}