diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/hrtf.c | 97 | ||||
| -rw-r--r-- | Alc/hrtf.h | 2 |
2 files changed, 83 insertions, 16 deletions
@@ -30,6 +30,8 @@ #include "alu.h" #include "hrtf.h" +#include "compat.h" + /* Current data set limits defined by the makehrtf utility. */ #define MIN_IR_SIZE (8) @@ -52,6 +54,7 @@ struct Hrtf { const ALshort *coeffs; const ALubyte *delays; + al_string filename; struct Hrtf *next; }; @@ -444,7 +447,7 @@ static struct Hrtf *LoadHrtf00(FILE *f, ALuint deviceRate) evCount = fgetc(f); - if(rate != deviceRate) + if(deviceRate && rate != deviceRate) { ERR("HRIR rate does not match device rate: rate=%d (%d)\n", rate, deviceRate); @@ -572,6 +575,7 @@ static struct Hrtf *LoadHrtf00(FILE *f, ALuint deviceRate) Hrtf->evOffset = evOffset; Hrtf->coeffs = coeffs; Hrtf->delays = delays; + AL_STRING_INIT(Hrtf->filename); Hrtf->next = NULL; return Hrtf; } @@ -606,7 +610,7 @@ static struct Hrtf *LoadHrtf01(FILE *f, ALuint deviceRate) evCount = fgetc(f); - if(rate != deviceRate) + if(deviceRate && rate != deviceRate) { ERR("HRIR rate does not match device rate: rate=%d (%d)\n", rate, deviceRate); @@ -717,6 +721,7 @@ static struct Hrtf *LoadHrtf01(FILE *f, ALuint deviceRate) Hrtf->evOffset = evOffset; Hrtf->coeffs = coeffs; Hrtf->delays = delays; + AL_STRING_INIT(Hrtf->filename); Hrtf->next = NULL; return Hrtf; } @@ -731,19 +736,75 @@ static struct Hrtf *LoadHrtf01(FILE *f, ALuint deviceRate) static void AddFileEntry(vector_HrtfEntry *list, al_string *filename) { - HrtfEntry entry = { AL_STRING_INIT_STATIC(), *filename }; + HrtfEntry entry = { AL_STRING_INIT_STATIC(), *filename, NULL }; HrtfEntry *iter; const char *name; - int i = 0; + int i; name = strrchr(al_string_get_cstr(entry.filename), '/'); if(!name) name = strrchr(al_string_get_cstr(entry.filename), '\\'); if(!name) name = al_string_get_cstr(entry.filename); else ++name; - /* TODO: Open the file, and get a human-readable name (possibly coming in a + entry.hrtf = LoadedHrtfs; + while(entry.hrtf) + { + if(al_string_cmp(entry.filename, entry.hrtf->filename) == 0) + break; + entry.hrtf = entry.hrtf->next; + } + + if(!entry.hrtf) + { + struct Hrtf *hrtf = NULL; + ALchar magic[8]; + FILE *f; + + TRACE("Loading %s...\n", al_string_get_cstr(entry.filename)); + f = al_fopen(al_string_get_cstr(entry.filename), "rb"); + if(f == NULL) + { + ERR("Could not open %s\n", al_string_get_cstr(entry.filename)); + goto error; + } + + if(fread(magic, 1, sizeof(magic), f) != sizeof(magic)) + ERR("Failed to read header from %s\n", al_string_get_cstr(entry.filename)); + else + { + if(memcmp(magic, magicMarker00, sizeof(magicMarker00)) == 0) + { + TRACE("Detected data set format v0\n"); + hrtf = LoadHrtf00(f, 0); + } + else if(memcmp(magic, magicMarker01, sizeof(magicMarker01)) == 0) + { + TRACE("Detected data set format v1\n"); + hrtf = LoadHrtf01(f, 0); + } + else + ERR("Invalid header in %s: \"%.8s\"\n", al_string_get_cstr(entry.filename), magic); + } + fclose(f); + + if(!hrtf) + { + ERR("Failed to load %s\n", al_string_get_cstr(entry.filename)); + goto error; + } + + al_string_copy(&hrtf->filename, entry.filename); + hrtf->next = LoadedHrtfs; + LoadedHrtfs = hrtf; + TRACE("Loaded HRTF support for format: %s %uhz\n", + DevFmtChannelsString(DevFmtStereo), hrtf->sampleRate); + entry.hrtf = hrtf; + } + + /* TODO: Get a human-readable name from the HRTF data (possibly coming in a * format update). */ + i = 0; do { al_string_copy_cstr(&entry.name, name); if(i != 0) @@ -762,20 +823,12 @@ static void AddFileEntry(vector_HrtfEntry *list, al_string *filename) TRACE("Adding entry \"%s\" from file \"%s\"\n", al_string_get_cstr(entry.name), al_string_get_cstr(entry.filename)); VECTOR_PUSH_BACK(*list, entry); -} + return; -void FreeHrtfList(vector_HrtfEntry *list) -{ -#define CLEAR_ENTRY(i) do { \ - al_string_deinit(&(i)->name); \ - al_string_deinit(&(i)->filename); \ -} while(0) - VECTOR_FOR_EACH(HrtfEntry, *list, CLEAR_ENTRY); - VECTOR_DEINIT(*list); -#undef CLEAR_ENTRY +error: + al_string_deinit(&entry.filename); } - vector_HrtfEntry EnumerateHrtf(const_al_string devname) { vector_HrtfEntry list = VECTOR_INIT_STATIC(); @@ -819,6 +872,17 @@ vector_HrtfEntry EnumerateHrtf(const_al_string devname) return list; } +void FreeHrtfList(vector_HrtfEntry *list) +{ +#define CLEAR_ENTRY(i) do { \ + al_string_deinit(&(i)->name); \ + al_string_deinit(&(i)->filename); \ +} while(0) + VECTOR_FOR_EACH(HrtfEntry, *list, CLEAR_ENTRY); + VECTOR_DEINIT(*list); +#undef CLEAR_ENTRY +} + static struct Hrtf *LoadHrtf(const_al_string devname, ALuint deviceRate) { @@ -968,6 +1032,7 @@ void FreeHrtfs(void) free((void*)Hrtf->evOffset); free((void*)Hrtf->coeffs); free((void*)Hrtf->delays); + al_string_deinit(&Hrtf->filename); free(Hrtf); } } @@ -13,6 +13,8 @@ struct Hrtf; typedef struct HrtfEntry { al_string name; al_string filename; + + const struct Hrtf *hrtf; } HrtfEntry; TYPEDEF_VECTOR(HrtfEntry, vector_HrtfEntry) |