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Store the HRTF's filename separate from the entry storage

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This commit is contained in:
Chris Robinson 2017-04-05 07:09:16 -07:00
parent 26144ca9df
commit e7ca61e8b5
2 changed files with 72 additions and 48 deletions
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117
Alc/hrtf.c
View File

@ -53,7 +53,11 @@ static const ALchar magicMarker01[8] = "MinPHR01";
* directional sounds. */
static const ALfloat PassthruCoeff = 0.707106781187f/*sqrt(0.5)*/;
static struct Hrtf *LoadedHrtfs = NULL;
static struct LoadedHrtfEntry {
struct LoadedHrtfEntry *next;
struct Hrtf *hrtf;
char filename[];
} *LoadedHrtfs = NULL;
/* Calculate the elevation index given the polar elevation in radians. This
@ -252,11 +256,10 @@ static struct Hrtf *CreateHrtfStore(ALuint rate, ALsizei irSize, ALsizei evCount
total = RoundUp(total, sizeof(ALfloat)); /* Align for float fields */
total += sizeof(Hrtf->coeffs[0])*irSize*irCount;
total += sizeof(Hrtf->delays[0])*irCount;
total += alstr_length(filename)+1;
Hrtf = al_calloc(16, total);
if(Hrtf == NULL)
ERR("Out of memory.\n");
ERR("Out of memory allocating storage for %s.\n", alstr_get_cstr(filename));
else
{
uintptr_t offset = sizeof(struct Hrtf);
@ -265,7 +268,6 @@ static struct Hrtf *CreateHrtfStore(ALuint rate, ALsizei irSize, ALsizei evCount
ALubyte *_azCount;
ALubyte *_delays;
ALfloat *_coeffs;
char *_name;
ALsizei i;
Hrtf->sampleRate = rate;
@ -287,20 +289,12 @@ static struct Hrtf *CreateHrtfStore(ALuint rate, ALsizei irSize, ALsizei evCount
_delays = (ALubyte*)(base + offset); Hrtf->delays = _delays;
offset += sizeof(_delays[0])*irCount;
_name = (char*)(base + offset); Hrtf->filename = _name;
offset += sizeof(_name[0])*(alstr_length(filename)+1);
Hrtf->next = NULL;
/* Copy input data to storage. */
for(i = 0;i < evCount;i++) _azCount[i] = azCount[i];
for(i = 0;i < evCount;i++) _evOffset[i] = evOffset[i];
for(i = 0;i < irSize*irCount;i++)
_coeffs[i] = coeffs[i] / 32768.0f;
for(i = 0;i < irCount;i++) _delays[i] = delays[i];
for(i = 0;i < (ALsizei)alstr_length(filename);i++)
_name[i] = VECTOR_ELEM(filename, i);
_name[i] = '\0';
assert(offset == total);
}
@ -619,6 +613,7 @@ static struct Hrtf *LoadHrtf01(const ALubyte *data, size_t datalen, const_al_str
static void AddFileEntry(vector_HrtfEntry *list, const_al_string filename)
{
HrtfEntry entry = { AL_STRING_INIT_STATIC(), NULL };
struct LoadedHrtfEntry *loaded_entry;
struct Hrtf *hrtf = NULL;
const HrtfEntry *iter;
struct FileMapping fmap;
@ -626,24 +621,27 @@ static void AddFileEntry(vector_HrtfEntry *list, const_al_string filename)
const char *ext;
int i;
#define MATCH_FNAME(i) (alstr_cmp_cstr(filename, (i)->hrtf->filename) == 0)
VECTOR_FIND_IF(iter, const HrtfEntry, *list, MATCH_FNAME);
if(iter != VECTOR_END(*list))
/* Check if this file has already been loaded globally. */
loaded_entry = LoadedHrtfs;
while(loaded_entry)
{
TRACE("Skipping duplicate file entry %s\n", alstr_get_cstr(filename));
return;
}
if(alstr_cmp_cstr(filename, loaded_entry->filename) == 0)
{
/* Check if this entry has already been added to the list. */
#define MATCH_ENTRY(i) (loaded_entry->hrtf == (i)->hrtf)
VECTOR_FIND_IF(iter, const HrtfEntry, *list, MATCH_ENTRY);
if(iter != VECTOR_END(*list))
{
TRACE("Skipping duplicate file entry %s\n", alstr_get_cstr(filename));
return;
}
#undef MATCH_FNAME
entry.hrtf = LoadedHrtfs;
while(entry.hrtf)
{
if(alstr_cmp_cstr(filename, entry.hrtf->filename) == 0)
{
TRACE("Skipping load of already-loaded file %s\n", alstr_get_cstr(filename));
hrtf = loaded_entry->hrtf;
goto skip_load;
}
entry.hrtf = entry.hrtf->next;
loaded_entry = loaded_entry->next;
}
TRACE("Loading %s...\n", alstr_get_cstr(filename));
@ -680,11 +678,16 @@ static void AddFileEntry(vector_HrtfEntry *list, const_al_string filename)
return;
}
hrtf->next = LoadedHrtfs;
LoadedHrtfs = hrtf;
loaded_entry = al_calloc(DEF_ALIGN,
offsetof(struct LoadedHrtfEntry, filename[alstr_length(filename)+1])
);
loaded_entry->next = LoadedHrtfs;
loaded_entry->hrtf = hrtf;
strcpy(loaded_entry->filename, alstr_get_cstr(filename));
LoadedHrtfs = loaded_entry;
TRACE("Loaded HRTF support for format: %s %uhz\n",
DevFmtChannelsString(DevFmtStereo), hrtf->sampleRate);
entry.hrtf = hrtf;
skip_load:
/* TODO: Get a human-readable name from the HRTF data (possibly coming in a
@ -714,6 +717,7 @@ skip_load:
VECTOR_FIND_IF(iter, const HrtfEntry, *list, MATCH_NAME);
#undef MATCH_NAME
} while(iter != VECTOR_END(*list));
entry.hrtf = hrtf;
TRACE("Adding entry \"%s\" from file \"%s\"\n", alstr_get_cstr(entry.name),
alstr_get_cstr(filename));
@ -726,28 +730,32 @@ skip_load:
static void AddBuiltInEntry(vector_HrtfEntry *list, const ALubyte *data, size_t datalen, const_al_string filename)
{
HrtfEntry entry = { AL_STRING_INIT_STATIC(), NULL };
struct LoadedHrtfEntry *loaded_entry;
struct Hrtf *hrtf = NULL;
const HrtfEntry *iter;
const char *name;
const char *ext;
int i;
#define MATCH_FNAME(i) (alstr_cmp_cstr(filename, (i)->hrtf->filename) == 0)
VECTOR_FIND_IF(iter, const HrtfEntry, *list, MATCH_FNAME);
if(iter != VECTOR_END(*list))
loaded_entry = LoadedHrtfs;
while(loaded_entry)
{
TRACE("Skipping duplicate file entry %s\n", alstr_get_cstr(filename));
return;
}
if(alstr_cmp_cstr(filename, loaded_entry->filename) == 0)
{
#define MATCH_ENTRY(i) (loaded_entry->hrtf == (i)->hrtf)
VECTOR_FIND_IF(iter, const HrtfEntry, *list, MATCH_ENTRY);
if(iter != VECTOR_END(*list))
{
TRACE("Skipping duplicate file entry %s\n", alstr_get_cstr(filename));
return;
}
#undef MATCH_FNAME
entry.hrtf = LoadedHrtfs;
while(entry.hrtf)
{
if(alstr_cmp_cstr(filename, entry.hrtf->filename) == 0)
{
TRACE("Skipping load of already-loaded file %s\n", alstr_get_cstr(filename));
hrtf = loaded_entry->hrtf;
goto skip_load;
}
entry.hrtf = entry.hrtf->next;
loaded_entry = loaded_entry->next;
}
TRACE("Loading %s...\n", alstr_get_cstr(filename));
@ -780,16 +788,33 @@ static void AddBuiltInEntry(vector_HrtfEntry *list, const ALubyte *data, size_t
return;
}
hrtf->next = LoadedHrtfs;
LoadedHrtfs = hrtf;
loaded_entry = al_calloc(DEF_ALIGN,
offsetof(struct LoadedHrtfEntry, filename[alstr_length(filename)+1])
);
loaded_entry->next = LoadedHrtfs;
loaded_entry->hrtf = hrtf;
strcpy(loaded_entry->filename, alstr_get_cstr(filename));
LoadedHrtfs = loaded_entry;
TRACE("Loaded HRTF support for format: %s %uhz\n",
DevFmtChannelsString(DevFmtStereo), hrtf->sampleRate);
entry.hrtf = hrtf;
skip_load:
/* TODO: Get a human-readable name from the HRTF data (possibly coming in a
* format update). */
name = strrchr(alstr_get_cstr(filename), '/');
if(!name) name = strrchr(alstr_get_cstr(filename), '\\');
if(!name) name = alstr_get_cstr(filename);
else ++name;
ext = strrchr(name, '.');
i = 0;
do {
alstr_copy(&entry.name, filename);
if(!ext)
alstr_copy_cstr(&entry.name, name);
else
alstr_copy_range(&entry.name, name, ext);
if(i != 0)
{
char str[64];
@ -802,6 +827,7 @@ skip_load:
VECTOR_FIND_IF(iter, const HrtfEntry, *list, MATCH_NAME);
#undef MATCH_NAME
} while(iter != VECTOR_END(*list));
entry.hrtf = hrtf;
TRACE("Adding built-in entry \"%s\"\n", alstr_get_cstr(entry.name));
VECTOR_PUSH_BACK(*list, entry);
@ -1015,12 +1041,13 @@ void FreeHrtfList(vector_HrtfEntry *list)
void FreeHrtfs(void)
{
struct Hrtf *Hrtf = LoadedHrtfs;
struct LoadedHrtfEntry *Hrtf = LoadedHrtfs;
LoadedHrtfs = NULL;
while(Hrtf != NULL)
{
struct Hrtf *next = Hrtf->next;
struct LoadedHrtfEntry *next = Hrtf->next;
al_free(Hrtf->hrtf);
al_free(Hrtf);
Hrtf = next;
}

3
Alc/hrtf.h
View File

@ -17,9 +17,6 @@ struct Hrtf {
const ALushort *evOffset;
const ALfloat *coeffs;
const ALubyte *delays;
const char *filename;
struct Hrtf *next;
};
#define HRTFDELAY_BITS (20)