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decoder/DsdLib: use offset_type instead of uint64_t

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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
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6
src/decoder/plugins/DsdLib.cxx
View File

@ -50,12 +50,12 @@ DsdId::Equals(const char *s) const
*/
bool
dsdlib_skip_to(Decoder *decoder, InputStream &is,
uint64_t offset)
offset_type offset)
{
if (is.IsSeekable())
return is.Seek(offset, IgnoreError());
if (uint64_t(is.GetOffset()) > offset)
if (is.GetOffset() > offset)
return false;
return dsdlib_skip(decoder, is, offset - is.GetOffset());
@ -66,7 +66,7 @@ dsdlib_skip_to(Decoder *decoder, InputStream &is,
*/
bool
dsdlib_skip(Decoder *decoder, InputStream &is,
uint64_t delta)
offset_type delta)
{
if (delta == 0)
return true;

5
src/decoder/plugins/DsdLib.hxx
View File

@ -21,6 +21,7 @@
#define MPD_DECODER_DSDLIB_HXX
#include "system/ByteOrder.hxx"
#include "input/Offset.hxx"
#include "Compiler.h"
#include <stddef.h>
@ -60,11 +61,11 @@ public:
bool
dsdlib_skip_to(Decoder *decoder, InputStream &is,
uint64_t offset);
offset_type offset);
bool
dsdlib_skip(Decoder *decoder, InputStream &is,
uint64_t delta);
offset_type delta);
/**
* Check if the sample frequency is a valid DSD frequency.

19
src/decoder/plugins/DsdiffDecoderPlugin.cxx
View File

@ -66,7 +66,7 @@ struct dsdiff_native_tag {
struct DsdiffMetaData {
unsigned sample_rate, channels;
bool bitreverse;
uint64_t chunk_size;
offset_type chunk_size;
};
static bool lsbitfirst;
@ -113,7 +113,7 @@ dsdiff_read_prop_snd(Decoder *decoder, InputStream &is,
offset_type end_offset)
{
DsdiffChunkHeader header;
while (offset_type(is.GetOffset() + sizeof(header)) <= end_offset) {
while (is.GetOffset() + sizeof(header) <= end_offset) {
if (!dsdiff_read_chunk_header(decoder, is, &header))
return false;
@ -252,7 +252,7 @@ dsdiff_read_metadata_extra(Decoder *decoder, InputStream &is,
and record their position and size */
do {
uint64_t chunk_size = chunk_header->GetSize();
offset_type chunk_size = chunk_header->GetSize();
/* DIIN chunk, is directly followed by other chunks */
if (chunk_header->id.Equals("DIIN"))
@ -328,12 +328,12 @@ dsdiff_read_metadata(Decoder *decoder, InputStream &is,
chunk_header))
return false;
} else if (chunk_header->id.Equals("DSD ")) {
const uint64_t chunk_size = chunk_header->GetSize();
const offset_type chunk_size = chunk_header->GetSize();
metadata->chunk_size = chunk_size;
return true;
} else {
/* ignore unknown chunk */
const uint64_t chunk_size = chunk_header->GetSize();
const offset_type chunk_size = chunk_header->GetSize();
const offset_type chunk_end_offset =
is.GetOffset() + chunk_size;
@ -356,7 +356,7 @@ bit_reverse_buffer(uint8_t *p, uint8_t *end)
static bool
dsdiff_decode_chunk(Decoder &decoder, InputStream &is,
unsigned channels, unsigned sample_rate,
uint64_t chunk_size)
offset_type chunk_size)
{
uint8_t buffer[8192];
@ -370,9 +370,8 @@ dsdiff_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 < (offset_type)now_size) {
unsigned now_frames = chunk_size / frame_size;
now_size = now_frames * frame_size;
}
@ -425,7 +424,7 @@ dsdiff_stream_decode(Decoder &decoder, InputStream &is)
}
/* 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;

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;