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Update FLAC decoder.

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This commit is contained in:
David Reid
2020-08-30 11:41:37 +10:00
parent 2012c93cc9
commit 6562e6a0c8
2 changed files with 18 additions and 9 deletions
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extras/dr_flac.h
+11 -5
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@@ -1,6 +1,6 @@
/*
FLAC audio decoder. Choice of public domain or MIT-0. See license statements at the end of this file.
dr_flac - v0.12.18 - 2020-08-14
dr_flac - v0.12.19 - 2020-08-30
David Reid - mackron@gmail.com
@@ -232,7 +232,7 @@ extern "C" {
#define DRFLAC_VERSION_MAJOR 0
#define DRFLAC_VERSION_MINOR 12
#define DRFLAC_VERSION_REVISION 18
#define DRFLAC_VERSION_REVISION 19
#define DRFLAC_VERSION_STRING DRFLAC_XSTRINGIFY(DRFLAC_VERSION_MAJOR) "." DRFLAC_XSTRINGIFY(DRFLAC_VERSION_MINOR) "." DRFLAC_XSTRINGIFY(DRFLAC_VERSION_REVISION)
#include <stddef.h> /* For size_t. */
@@ -2389,7 +2389,6 @@ static DRFLAC_INLINE drflac_bool32 drflac__read_uint32(drflac_bs* bs, unsigned i
static drflac_bool32 drflac__read_int32(drflac_bs* bs, unsigned int bitCount, drflac_int32* pResult)
{
drflac_uint32 result;
drflac_uint32 signbit;
DRFLAC_ASSERT(bs != NULL);
DRFLAC_ASSERT(pResult != NULL);
@@ -2400,8 +2399,12 @@ static drflac_bool32 drflac__read_int32(drflac_bs* bs, unsigned int bitCount, dr
return DRFLAC_FALSE;
}
signbit = ((result >> (bitCount-1)) & 0x01);
result |= (~signbit + 1) << bitCount;
/* Do not attempt to shift by 32 as it's undefined. */
if (bitCount < 32) {
drflac_uint32 signbit;
signbit = ((result >> (bitCount-1)) & 0x01);
result |= (~signbit + 1) << bitCount;
}
*pResult = (drflac_int32)result;
return DRFLAC_TRUE;
@@ -11769,6 +11772,9 @@ DRFLAC_API drflac_bool32 drflac_next_cuesheet_track(drflac_cuesheet_track_iterat
/*
REVISION HISTORY
================
v0.12.19 - 2020-08-30
- Fix a bug due to an undefined 32-bit shift.
v0.12.18 - 2020-08-14
- Fix a crash when compiling with clang-cl.