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Update stb_vobis.h to af1a5bc.

Browse source 
This brings several small bugfixes and more robust handling of files
without comment / tag header. It's not mentioned in the changelog,
but at least for dhewm3 updating to this latest version fixed some
problems with missdecoded files on MacOS when running on the M1 aarch64
CPUs.
This commit is contained in:
Yamagi 2021-11-01 16:49:47 +01:00
parent 67f22cce17
commit 76b501b64b
1 changed files with 80 additions and 51 deletions
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131
src/client/sound/header/stb_vorbis.h
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@ -1,4 +1,4 @@
// Ogg Vorbis audio decoder - v1.19 - public domain
// Ogg Vorbis audio decoder - v1.22 - public domain
// http://nothings.org/stb_vorbis/
//
// Original version written by Sean Barrett in 2007.
@ -29,11 +29,16 @@
// Bernhard Wodo Evan Balster github:alxprd
// Tom Beaumont Ingo Leitgeb Nicolas Guillemot
// Phillip Bennefall Rohit Thiago Goulart
// github:manxorist saga musix github:infatum
// github:manxorist Saga Musix github:infatum
// Timur Gagiev Maxwell Koo Peter Waller
// github:audinowho Dougall Johnson
// github:audinowho Dougall Johnson David Reid
// github:Clownacy Pedro J. Estebanez Remi Verschelde
// AnthoFoxo github:morlat Gabriel Ravier
//
// Partial history:
// 1.22 - 2021-07-11 - various small fixes
// 1.21 - 2021-07-02 - fix bug for files with no comments
// 1.20 - 2020-07-11 - several small fixes
// 1.19 - 2020-02-05 - warnings
// 1.18 - 2020-02-02 - fix seek bugs; parse header comments; misc warnings etc.
// 1.17 - 2019-07-08 - fix CVE-2019-13217..CVE-2019-13223 (by ForAllSecure)
@ -218,6 +223,12 @@ extern int stb_vorbis_decode_frame_pushdata(
// channel. In other words, (*output)[0][0] contains the first sample from
// the first channel, and (*output)[1][0] contains the first sample from
// the second channel.
//
// *output points into stb_vorbis's internal output buffer storage; these
// buffers are owned by stb_vorbis and application code should not free
// them or modify their contents. They are transient and will be overwritten
// once you ask for more data to get decoded, so be sure to grab any data
// you need before then.
extern void stb_vorbis_flush_pushdata(stb_vorbis *f);
// inform stb_vorbis that your next datablock will not be contiguous with
@ -577,7 +588,7 @@ enum STBVorbisError
#if defined(_MSC_VER) || defined(__MINGW32__)
#include <malloc.h>
#endif
#if defined(__linux__) || defined(__linux) || defined(__EMSCRIPTEN__)
#if defined(__linux__) || defined(__linux) || defined(__sun__) || defined(__EMSCRIPTEN__) || defined(__NEWLIB__)
#include <alloca.h>
#endif
#else // STB_VORBIS_NO_CRT
@ -599,7 +610,9 @@ enum STBVorbisError
#undef __forceinline
#endif
#define __forceinline
#ifndef alloca
#define alloca __builtin_alloca
#endif
#elif !defined(_MSC_VER)
#if __GNUC__
#define __forceinline inline
@ -642,6 +655,12 @@ typedef signed int int32;
typedef float codetype;
#ifdef _MSC_VER
#define STBV_NOTUSED(v) (void)(v)
#else
#define STBV_NOTUSED(v) (void)sizeof(v)
#endif
// @NOTE
//
// Some arrays below are tagged "//varies", which means it's actually
@ -961,7 +980,7 @@ static void *setup_temp_malloc(vorb *f, int sz)
static void setup_temp_free(vorb *f, void *p, int sz)
{
if (f->alloc.alloc_buffer) {
f->temp_offset += (sz+3)&~3;
f->temp_offset += (sz+7)&~7;
return;
}
free(p);
@ -1042,7 +1061,7 @@ static float float32_unpack(uint32 x)
uint32 sign = x & 0x80000000;
uint32 exp = (x & 0x7fe00000) >> 21;
double res = sign ? -(double)mantissa : (double)mantissa;
return (float) ldexp((float)res, exp-788);
return (float) ldexp((float)res, (int)exp-788);
}
@ -1073,6 +1092,7 @@ static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values)
// find the first entry
for (k=0; k < n; ++k) if (len[k] < NO_CODE) break;
if (k == n) { assert(c->sorted_entries == 0); return TRUE; }
assert(len[k] < 32); // no error return required, code reading lens checks this
// add to the list
add_entry(c, 0, k, m++, len[k], values);
// add all available leaves
@ -1086,6 +1106,7 @@ static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values)
uint32 res;
int z = len[i], y;
if (z == NO_CODE) continue;
assert(z < 32); // no error return required, code reading lens checks this
// find lowest available leaf (should always be earliest,
// which is what the specification calls for)
// note that this property, and the fact we can never have
@ -1095,12 +1116,10 @@ static int compute_codewords(Codebook *c, uint8 *len, int n, uint32 *values)
while (z > 0 && !available[z]) --z;
if (z == 0) { return FALSE; }
res = available[z];
assert(z >= 0 && z < 32);
available[z] = 0;
add_entry(c, bit_reverse(res), i, m++, len[i], values);
// propagate availability up the tree
if (z != len[i]) {
assert(len[i] >= 0 && len[i] < 32);
for (y=len[i]; y > z; --y) {
assert(available[y] == 0);
available[y] = res + (1 << (32-y));
@ -1600,7 +1619,8 @@ static uint32 get_bits(vorb *f, int n)
f->valid_bits += 8;
}
}
if (f->valid_bits < 0) return 0;
assert(f->valid_bits >= n);
z = f->acc & ((1 << n)-1);
f->acc >>= n;
f->valid_bits -= n;
@ -2572,34 +2592,33 @@ static void imdct_step3_inner_s_loop_ld654(int n, float *e, int i_off, float *A,
while (z > base) {
float k00,k11;
float l00,l11;
k00 = z[-0] - z[-8];
k11 = z[-1] - z[-9];
z[-0] = z[-0] + z[-8];
z[-1] = z[-1] + z[-9];
z[-8] = k00;
z[-9] = k11 ;
k00 = z[-0] - z[ -8];
k11 = z[-1] - z[ -9];
l00 = z[-2] - z[-10];
l11 = z[-3] - z[-11];
z[ -0] = z[-0] + z[ -8];
z[ -1] = z[-1] + z[ -9];
z[ -2] = z[-2] + z[-10];
z[ -3] = z[-3] + z[-11];
z[ -8] = k00;
z[ -9] = k11;
z[-10] = (l00+l11) * A2;
z[-11] = (l11-l00) * A2;
k00 = z[ -2] - z[-10];
k11 = z[ -3] - z[-11];
z[ -2] = z[ -2] + z[-10];
z[ -3] = z[ -3] + z[-11];
z[-10] = (k00+k11) * A2;
z[-11] = (k11-k00) * A2;
k00 = z[-12] - z[ -4]; // reverse to avoid a unary negation
k00 = z[ -4] - z[-12];
k11 = z[ -5] - z[-13];
l00 = z[ -6] - z[-14];
l11 = z[ -7] - z[-15];
z[ -4] = z[ -4] + z[-12];
z[ -5] = z[ -5] + z[-13];
z[-12] = k11;
z[-13] = k00;
k00 = z[-14] - z[ -6]; // reverse to avoid a unary negation
k11 = z[ -7] - z[-15];
z[ -6] = z[ -6] + z[-14];
z[ -7] = z[ -7] + z[-15];
z[-14] = (k00+k11) * A2;
z[-15] = (k00-k11) * A2;
z[-12] = k11;
z[-13] = -k00;
z[-14] = (l11-l00) * A2;
z[-15] = (l00+l11) * -A2;
iter_54(z);
iter_54(z-8);
@ -3064,6 +3083,7 @@ static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *f
for (q=1; q < g->values; ++q) {
j = g->sorted_order[q];
#ifndef STB_VORBIS_NO_DEFER_FLOOR
STBV_NOTUSED(step2_flag);
if (finalY[j] >= 0)
#else
if (step2_flag[j])
@ -3166,6 +3186,7 @@ static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start,
// WINDOWING
STBV_NOTUSED(left_end);
n = f->blocksize[m->blockflag];
map = &f->mapping[m->mapping];
@ -3363,7 +3384,7 @@ static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start,
// this isn't to spec, but spec would require us to read ahead
// and decode the size of all current frames--could be done,
// but presumably it's not a commonly used feature
f->current_loc = -n2; // start of first frame is positioned for discard
f->current_loc = 0u - n2; // start of first frame is positioned for discard (NB this is an intentional unsigned overflow/wrap-around)
// we might have to discard samples "from" the next frame too,
// if we're lapping a large block then a small at the start?
f->discard_samples_deferred = n - right_end;
@ -3630,17 +3651,24 @@ static int start_decoder(vorb *f)
//file vendor
len = get32_packet(f);
f->vendor = (char*)setup_malloc(f, sizeof(char) * (len+1));
if (f->vendor == NULL) return error(f, VORBIS_outofmem);
for(i=0; i < len; ++i) {
f->vendor[i] = get8_packet(f);
}
f->vendor[len] = (char)'\0';
//user comments
f->comment_list_length = get32_packet(f);
f->comment_list = (char**)setup_malloc(f, sizeof(char*) * (f->comment_list_length));
f->comment_list = NULL;
if (f->comment_list_length > 0)
{
f->comment_list = (char**) setup_malloc(f, sizeof(char*) * (f->comment_list_length));
if (f->comment_list == NULL) return error(f, VORBIS_outofmem);
}
for(i=0; i < f->comment_list_length; ++i) {
len = get32_packet(f);
f->comment_list[i] = (char*)setup_malloc(f, sizeof(char) * (len+1));
if (f->comment_list[i] == NULL) return error(f, VORBIS_outofmem);
for(j=0; j < len; ++j) {
f->comment_list[i][j] = get8_packet(f);
@ -3857,8 +3885,7 @@ static int start_decoder(vorb *f)
unsigned int div=1;
for (k=0; k < c->dimensions; ++k) {
int off = (z / div) % c->lookup_values;
float val = mults[off];
val = mults[off]*c->delta_value + c->minimum_value + last;
float val = mults[off]*c->delta_value + c->minimum_value + last;
c->multiplicands[j*c->dimensions + k] = val;
if (c->sequence_p)
last = val;
@ -3941,7 +3968,7 @@ static int start_decoder(vorb *f)
if (g->class_masterbooks[j] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
}
for (k=0; k < 1 << g->class_subclasses[j]; ++k) {
g->subclass_books[j][k] = get_bits(f,8)-1;
g->subclass_books[j][k] = (int16)get_bits(f,8)-1;
if (g->subclass_books[j][k] >= f->codebook_count) return error(f, VORBIS_invalid_setup);
}
}
@ -4253,7 +4280,7 @@ static void vorbis_init(stb_vorbis *p, const stb_vorbis_alloc *z)
memset(p, 0, sizeof(*p)); // NULL out all malloc'd pointers to start
if (z) {
p->alloc = *z;
p->alloc.alloc_buffer_length_in_bytes = (p->alloc.alloc_buffer_length_in_bytes+3) & ~3;
p->alloc.alloc_buffer_length_in_bytes &= ~7;
p->temp_offset = p->alloc.alloc_buffer_length_in_bytes;
}
p->eof = 0;
@ -4499,6 +4526,7 @@ stb_vorbis *stb_vorbis_open_pushdata(
*error = VORBIS_need_more_data;
else
*error = p.error;
vorbis_deinit(&p);
return NULL;
}
f = vorbis_alloc(&p);
@ -4556,7 +4584,7 @@ static uint32 vorbis_find_page(stb_vorbis *f, uint32 *end, uint32 *last)
header[i] = get8(f);
if (f->eof) return 0;
if (header[4] != 0) goto invalid;
goal = header[22] + (header[23] << 8) + (header[24]<<16) + (header[25]<<24);
goal = header[22] + (header[23] << 8) + (header[24]<<16) + ((uint32)header[25]<<24);
for (i=22; i < 26; ++i)
header[i] = 0;
crc = 0;
@ -4960,7 +4988,7 @@ unsigned int stb_vorbis_stream_length_in_samples(stb_vorbis *f)
// set. whoops!
break;
}
previous_safe = last_page_loc+1;
//previous_safe = last_page_loc+1; // NOTE: not used after this point, but note for debugging
last_page_loc = stb_vorbis_get_file_offset(f);
}
@ -5071,7 +5099,10 @@ stb_vorbis * stb_vorbis_open_filename(const char *filename, int *error, const st
stb_vorbis * stb_vorbis_open_memory(const unsigned char *data, int len, int *error, const stb_vorbis_alloc *alloc)
{
stb_vorbis *f, p;
if (data == NULL) return NULL;
if (!data) {
if (error) *error = VORBIS_unexpected_eof;
return NULL;
}
vorbis_init(&p, alloc);
p.stream = (uint8 *) data;
p.stream_end = (uint8 *) data + len;
@ -5146,11 +5177,11 @@ static void copy_samples(short *dest, float *src, int len)
static void compute_samples(int mask, short *output, int num_c, float **data, int d_offset, int len)
{
#define BUFFER_SIZE 32
float buffer[BUFFER_SIZE];
int i,j,o,n = BUFFER_SIZE;
#define STB_BUFFER_SIZE 32
float buffer[STB_BUFFER_SIZE];
int i,j,o,n = STB_BUFFER_SIZE;
check_endianness();
for (o = 0; o < len; o += BUFFER_SIZE) {
for (o = 0; o < len; o += STB_BUFFER_SIZE) {
memset(buffer, 0, sizeof(buffer));
if (o + n > len) n = len - o;
for (j=0; j < num_c; ++j) {
@ -5167,16 +5198,17 @@ static void compute_samples(int mask, short *output, int num_c, float **data, in
output[o+i] = v;
}
}
#undef STB_BUFFER_SIZE
}
static void compute_stereo_samples(short *output, int num_c, float **data, int d_offset, int len)
{
#define BUFFER_SIZE 32
float buffer[BUFFER_SIZE];
int i,j,o,n = BUFFER_SIZE >> 1;
#define STB_BUFFER_SIZE 32
float buffer[STB_BUFFER_SIZE];
int i,j,o,n = STB_BUFFER_SIZE >> 1;
// o is the offset in the source data
check_endianness();
for (o = 0; o < len; o += BUFFER_SIZE >> 1) {
for (o = 0; o < len; o += STB_BUFFER_SIZE >> 1) {
// o2 is the offset in the output data
int o2 = o << 1;
memset(buffer, 0, sizeof(buffer));
@ -5206,6 +5238,7 @@ static void compute_stereo_samples(short *output, int num_c, float **data, int d
output[o2+i] = v;
}
}
#undef STB_BUFFER_SIZE
}
static void convert_samples_short(int buf_c, short **buffer, int b_offset, int data_c, float **data, int d_offset, int samples)
@ -5278,8 +5311,6 @@ int stb_vorbis_get_samples_short_interleaved(stb_vorbis *f, int channels, short
float **outputs;
int len = num_shorts / channels;
int n=0;
int z = f->channels;
if (z > channels) z = channels;
while (n < len) {
int k = f->channel_buffer_end - f->channel_buffer_start;
if (n+k >= len) k = len - n;
@ -5298,8 +5329,6 @@ int stb_vorbis_get_samples_short(stb_vorbis *f, int channels, short **buffer, in
{
float **outputs;
int n=0;
int z = f->channels;
if (z > channels) z = channels;
while (n < len) {
int k = f->channel_buffer_end - f->channel_buffer_start;
if (n+k >= len) k = len - n;