oysteikt/mpd
0
0
Fork 0
Code Issues Pull Requests Releases Activity

decoder/DsdLib: use offset_type instead of uint64_t

Browse Source
This commit is contained in:
Max Kellermann
2014-08-19 22:39:44 +02:00
parent bb472206de
commit e2adb82e29
4 changed files with 26 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/decoder/plugins/DsfDecoderPlugin.cxx
View File

@@ -42,7 +42,7 @@
struct DsfMetaData {
unsigned sample_rate, channels;
bool bitreverse;
uint64_t chunk_size;
offset_type chunk_size;
#ifdef HAVE_ID3TAG
offset_type id3_offset;
uint64_t id3_size;
@@ -104,12 +104,12 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
!dsf_header.id.Equals("DSD "))
return false;
const uint64_t chunk_size = dsf_header.size.Read();
const offset_type chunk_size = dsf_header.size.Read();
if (sizeof(dsf_header) != chunk_size)
return false;
#ifdef HAVE_ID3TAG
const uint64_t metadata_offset = dsf_header.pmeta.Read();
const offset_type metadata_offset = dsf_header.pmeta.Read();
#endif
/* read the 'fmt ' chunk of the DSF file */
@@ -148,7 +148,7 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
/* data size of DSF files are padded to multiple of 4096,
we use the actual data size as chunk size */
uint64_t data_size = data_chunk.size.Read();
offset_type data_size = data_chunk.size.Read();
if (data_size < sizeof(data_chunk))
return false;
@@ -156,7 +156,7 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
/* data_size cannot be bigger or equal to total file size */
if (is.KnownSize()) {
const uint64_t size = (uint64_t)is.GetSize();
const offset_type size = is.GetSize();
if (data_size >= size)
return false;
}
@@ -165,7 +165,7 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
bound, because some DSF files contain junk at the end of
the "data" chunk */
const uint64_t samplecnt = dsf_fmt_chunk.scnt.Read();
const uint64_t playable_size = samplecnt * 2 / 8;
const offset_type playable_size = samplecnt * 2 / 8;
if (data_size > playable_size)
data_size = playable_size;
@@ -173,7 +173,7 @@ dsf_read_metadata(Decoder *decoder, InputStream &is,
metadata->channels = (unsigned) dsf_fmt_chunk.channelnum;
metadata->sample_rate = samplefreq;
#ifdef HAVE_ID3TAG
metadata->id3_offset = (offset_type)metadata_offset;
metadata->id3_offset = metadata_offset;
#endif
/* check bits per sample format, determine if bitreverse is needed */
metadata->bitreverse = dsf_fmt_chunk.bitssample == 1;
@@ -218,7 +218,7 @@ dsf_to_pcm_order(uint8_t *dest, uint8_t *scratch, size_t nrbytes)
static bool
dsf_decode_chunk(Decoder &decoder, InputStream &is,
unsigned channels, unsigned sample_rate,
uint64_t chunk_size,
offset_type chunk_size,
bool bitreverse)
{
uint8_t buffer[8192];
@@ -237,9 +237,8 @@ dsf_decode_chunk(Decoder &decoder, InputStream &is,
/* see how much aligned data from the remaining chunk
fits into the local buffer */
size_t now_size = buffer_size;
if (chunk_size < (uint64_t)now_size) {
unsigned now_frames =
(unsigned)chunk_size / frame_size;
if (chunk_size < now_size) {
unsigned now_frames = chunk_size / frame_size;
now_size = now_frames * frame_size;
}
@@ -291,7 +290,7 @@ dsf_stream_decode(Decoder &decoder, InputStream &is)
return;
}
/* Calculate song time from DSD chunk size and sample frequency */
uint64_t chunk_size = metadata.chunk_size;
offset_type chunk_size = metadata.chunk_size;
float songtime = ((chunk_size / metadata.channels) * 8) /
(float) metadata.sample_rate;