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-rw-r--r--Alc/ambdec.c566
1 files changed, 0 insertions, 566 deletions
diff --git a/Alc/ambdec.c b/Alc/ambdec.c
deleted file mode 100644
index da114335..00000000
--- a/Alc/ambdec.c
+++ /dev/null
@@ -1,566 +0,0 @@
-
-#include "config.h"
-
-#include "ambdec.h"
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "compat.h"
-
-
-static char *lstrip(char *line)
-{
- while(isspace(line[0]))
- line++;
- return line;
-}
-
-static char *rstrip(char *line)
-{
- size_t len = strlen(line);
- while(len > 0 && isspace(line[len-1]))
- len--;
- line[len] = 0;
- return line;
-}
-
-static int readline(FILE *f, char **output, size_t *maxlen)
-{
- size_t len = 0;
- int c;
-
- while((c=fgetc(f)) != EOF && (c == '\r' || c == '\n'))
- ;
- if(c == EOF)
- return 0;
-
- do {
- if(len+1 >= *maxlen)
- {
- void *temp = NULL;
- size_t newmax;
-
- newmax = (*maxlen ? (*maxlen)<<1 : 32);
- if(newmax > *maxlen)
- temp = realloc(*output, newmax);
- if(!temp)
- {
- ERR("Failed to realloc "SZFMT" bytes from "SZFMT"!\n", newmax, *maxlen);
- return 0;
- }
-
- *output = temp;
- *maxlen = newmax;
- }
- (*output)[len++] = c;
- (*output)[len] = '\0';
- } while((c=fgetc(f)) != EOF && c != '\r' && c != '\n');
-
- return 1;
-}
-
-
-/* Custom strtok_r, since we can't rely on it existing. */
-static char *my_strtok_r(char *str, const char *delim, char **saveptr)
-{
- /* Sanity check and update internal pointer. */
- if(!saveptr || !delim) return NULL;
- if(str) *saveptr = str;
- str = *saveptr;
-
- /* Nothing more to do with this string. */
- if(!str) return NULL;
-
- /* Find the first non-delimiter character. */
- while(*str != '\0' && strchr(delim, *str) != NULL)
- str++;
- if(*str == '\0')
- {
- /* End of string. */
- *saveptr = NULL;
- return NULL;
- }
-
- /* Find the next delimiter character. */
- *saveptr = strpbrk(str, delim);
- if(*saveptr) *((*saveptr)++) = '\0';
-
- return str;
-}
-
-static char *read_int(ALint *num, const char *line, int base)
-{
- char *end;
- *num = strtol(line, &end, base);
- if(end && *end != '\0')
- end = lstrip(end);
- return end;
-}
-
-static char *read_uint(ALuint *num, const char *line, int base)
-{
- char *end;
- *num = strtoul(line, &end, base);
- if(end && *end != '\0')
- end = lstrip(end);
- return end;
-}
-
-static char *read_float(ALfloat *num, const char *line)
-{
- char *end;
-#ifdef HAVE_STRTOF
- *num = strtof(line, &end);
-#else
- *num = (ALfloat)strtod(line, &end);
-#endif
- if(end && *end != '\0')
- end = lstrip(end);
- return end;
-}
-
-
-char *read_clipped_line(FILE *f, char **buffer, size_t *maxlen)
-{
- while(readline(f, buffer, maxlen))
- {
- char *line, *comment;
-
- line = lstrip(*buffer);
- comment = strchr(line, '#');
- if(comment) *(comment++) = 0;
-
- line = rstrip(line);
- if(line[0]) return line;
- }
- return NULL;
-}
-
-static int load_ambdec_speakers(AmbDecConf *conf, FILE *f, char **buffer, size_t *maxlen, char **saveptr)
-{
- ALsizei cur = 0;
- while(cur < conf->NumSpeakers)
- {
- const char *cmd = my_strtok_r(NULL, " \t", saveptr);
- if(!cmd)
- {
- char *line = read_clipped_line(f, buffer, maxlen);
- if(!line)
- {
- ERR("Unexpected end of file\n");
- return 0;
- }
- cmd = my_strtok_r(line, " \t", saveptr);
- }
-
- if(strcmp(cmd, "add_spkr") == 0)
- {
- const char *name = my_strtok_r(NULL, " \t", saveptr);
- const char *dist = my_strtok_r(NULL, " \t", saveptr);
- const char *az = my_strtok_r(NULL, " \t", saveptr);
- const char *elev = my_strtok_r(NULL, " \t", saveptr);
- const char *conn = my_strtok_r(NULL, " \t", saveptr);
-
- if(!name) WARN("Name not specified for speaker %u\n", cur+1);
- else alstr_copy_cstr(&conf->Speakers[cur].Name, name);
- if(!dist) WARN("Distance not specified for speaker %u\n", cur+1);
- else read_float(&conf->Speakers[cur].Distance, dist);
- if(!az) WARN("Azimuth not specified for speaker %u\n", cur+1);
- else read_float(&conf->Speakers[cur].Azimuth, az);
- if(!elev) WARN("Elevation not specified for speaker %u\n", cur+1);
- else read_float(&conf->Speakers[cur].Elevation, elev);
- if(!conn) TRACE("Connection not specified for speaker %u\n", cur+1);
- else alstr_copy_cstr(&conf->Speakers[cur].Connection, conn);
-
- cur++;
- }
- else
- {
- ERR("Unexpected speakers command: %s\n", cmd);
- return 0;
- }
-
- cmd = my_strtok_r(NULL, " \t", saveptr);
- if(cmd)
- {
- ERR("Unexpected junk on line: %s\n", cmd);
- return 0;
- }
- }
-
- return 1;
-}
-
-static int load_ambdec_matrix(ALfloat *gains, ALfloat (*matrix)[MAX_AMBI_COEFFS], ALsizei maxrow, FILE *f, char **buffer, size_t *maxlen, char **saveptr)
-{
- int gotgains = 0;
- ALsizei cur = 0;
- while(cur < maxrow)
- {
- const char *cmd = my_strtok_r(NULL, " \t", saveptr);
- if(!cmd)
- {
- char *line = read_clipped_line(f, buffer, maxlen);
- if(!line)
- {
- ERR("Unexpected end of file\n");
- return 0;
- }
- cmd = my_strtok_r(line, " \t", saveptr);
- }
-
- if(strcmp(cmd, "order_gain") == 0)
- {
- ALuint curgain = 0;
- char *line;
- while((line=my_strtok_r(NULL, " \t", saveptr)) != NULL)
- {
- ALfloat value;
- line = read_float(&value, line);
- if(line && *line != '\0')
- {
- ERR("Extra junk on gain %u: %s\n", curgain+1, line);
- return 0;
- }
- if(curgain < MAX_AMBI_ORDER+1)
- gains[curgain] = value;
- curgain++;
- }
- while(curgain < MAX_AMBI_ORDER+1)
- gains[curgain++] = 0.0f;
- gotgains = 1;
- }
- else if(strcmp(cmd, "add_row") == 0)
- {
- ALuint curidx = 0;
- char *line;
- while((line=my_strtok_r(NULL, " \t", saveptr)) != NULL)
- {
- ALfloat value;
- line = read_float(&value, line);
- if(line && *line != '\0')
- {
- ERR("Extra junk on matrix element %ux%u: %s\n", cur, curidx, line);
- return 0;
- }
- if(curidx < MAX_AMBI_COEFFS)
- matrix[cur][curidx] = value;
- curidx++;
- }
- while(curidx < MAX_AMBI_COEFFS)
- matrix[cur][curidx++] = 0.0f;
- cur++;
- }
- else
- {
- ERR("Unexpected speakers command: %s\n", cmd);
- return 0;
- }
-
- cmd = my_strtok_r(NULL, " \t", saveptr);
- if(cmd)
- {
- ERR("Unexpected junk on line: %s\n", cmd);
- return 0;
- }
- }
-
- if(!gotgains)
- {
- ERR("Matrix order_gain not specified\n");
- return 0;
- }
-
- return 1;
-}
-
-void ambdec_init(AmbDecConf *conf)
-{
- ALsizei i;
-
- memset(conf, 0, sizeof(*conf));
- AL_STRING_INIT(conf->Description);
- for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
- {
- AL_STRING_INIT(conf->Speakers[i].Name);
- AL_STRING_INIT(conf->Speakers[i].Connection);
- }
-}
-
-void ambdec_deinit(AmbDecConf *conf)
-{
- ALsizei i;
-
- alstr_reset(&conf->Description);
- for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
- {
- alstr_reset(&conf->Speakers[i].Name);
- alstr_reset(&conf->Speakers[i].Connection);
- }
- memset(conf, 0, sizeof(*conf));
-}
-
-int ambdec_load(AmbDecConf *conf, const char *fname)
-{
- char *buffer = NULL;
- size_t maxlen = 0;
- char *line;
- FILE *f;
-
- f = al_fopen(fname, "r");
- if(!f)
- {
- ERR("Failed to open: %s\n", fname);
- return 0;
- }
-
- while((line=read_clipped_line(f, &buffer, &maxlen)) != NULL)
- {
- char *saveptr;
- char *command;
-
- command = my_strtok_r(line, "/ \t", &saveptr);
- if(!command)
- {
- ERR("Malformed line: %s\n", line);
- goto fail;
- }
-
- if(strcmp(command, "description") == 0)
- {
- char *value = my_strtok_r(NULL, "", &saveptr);
- alstr_copy_cstr(&conf->Description, lstrip(value));
- }
- else if(strcmp(command, "version") == 0)
- {
- line = my_strtok_r(NULL, "", &saveptr);
- line = read_uint(&conf->Version, line, 10);
- if(line && *line != '\0')
- {
- ERR("Extra junk after version: %s\n", line);
- goto fail;
- }
- if(conf->Version != 3)
- {
- ERR("Unsupported version: %u\n", conf->Version);
- goto fail;
- }
- }
- else if(strcmp(command, "dec") == 0)
- {
- const char *dec = my_strtok_r(NULL, "/ \t", &saveptr);
- if(strcmp(dec, "chan_mask") == 0)
- {
- line = my_strtok_r(NULL, "", &saveptr);
- line = read_uint(&conf->ChanMask, line, 16);
- if(line && *line != '\0')
- {
- ERR("Extra junk after mask: %s\n", line);
- goto fail;
- }
- }
- else if(strcmp(dec, "freq_bands") == 0)
- {
- line = my_strtok_r(NULL, "", &saveptr);
- line = read_uint(&conf->FreqBands, line, 10);
- if(line && *line != '\0')
- {
- ERR("Extra junk after freq_bands: %s\n", line);
- goto fail;
- }
- if(conf->FreqBands != 1 && conf->FreqBands != 2)
- {
- ERR("Invalid freq_bands value: %u\n", conf->FreqBands);
- goto fail;
- }
- }
- else if(strcmp(dec, "speakers") == 0)
- {
- line = my_strtok_r(NULL, "", &saveptr);
- line = read_int(&conf->NumSpeakers, line, 10);
- if(line && *line != '\0')
- {
- ERR("Extra junk after speakers: %s\n", line);
- goto fail;
- }
- if(conf->NumSpeakers > MAX_OUTPUT_CHANNELS)
- {
- ERR("Unsupported speaker count: %u\n", conf->NumSpeakers);
- goto fail;
- }
- }
- else if(strcmp(dec, "coeff_scale") == 0)
- {
- line = my_strtok_r(NULL, " \t", &saveptr);
- if(strcmp(line, "n3d") == 0)
- conf->CoeffScale = ADS_N3D;
- else if(strcmp(line, "sn3d") == 0)
- conf->CoeffScale = ADS_SN3D;
- else if(strcmp(line, "fuma") == 0)
- conf->CoeffScale = ADS_FuMa;
- else
- {
- ERR("Unsupported coeff scale: %s\n", line);
- goto fail;
- }
- }
- else
- {
- ERR("Unexpected /dec option: %s\n", dec);
- goto fail;
- }
- }
- else if(strcmp(command, "opt") == 0)
- {
- const char *opt = my_strtok_r(NULL, "/ \t", &saveptr);
- if(strcmp(opt, "xover_freq") == 0)
- {
- line = my_strtok_r(NULL, "", &saveptr);
- line = read_float(&conf->XOverFreq, line);
- if(line && *line != '\0')
- {
- ERR("Extra junk after xover_freq: %s\n", line);
- goto fail;
- }
- }
- else if(strcmp(opt, "xover_ratio") == 0)
- {
- line = my_strtok_r(NULL, "", &saveptr);
- line = read_float(&conf->XOverRatio, line);
- if(line && *line != '\0')
- {
- ERR("Extra junk after xover_ratio: %s\n", line);
- goto fail;
- }
- }
- else if(strcmp(opt, "input_scale") == 0 || strcmp(opt, "nfeff_comp") == 0 ||
- strcmp(opt, "delay_comp") == 0 || strcmp(opt, "level_comp") == 0)
- {
- /* Unused */
- my_strtok_r(NULL, " \t", &saveptr);
- }
- else
- {
- ERR("Unexpected /opt option: %s\n", opt);
- goto fail;
- }
- }
- else if(strcmp(command, "speakers") == 0)
- {
- const char *value = my_strtok_r(NULL, "/ \t", &saveptr);
- if(strcmp(value, "{") != 0)
- {
- ERR("Expected { after %s command, got %s\n", command, value);
- goto fail;
- }
- if(!load_ambdec_speakers(conf, f, &buffer, &maxlen, &saveptr))
- goto fail;
- value = my_strtok_r(NULL, "/ \t", &saveptr);
- if(!value)
- {
- line = read_clipped_line(f, &buffer, &maxlen);
- if(!line)
- {
- ERR("Unexpected end of file\n");
- goto fail;
- }
- value = my_strtok_r(line, "/ \t", &saveptr);
- }
- if(strcmp(value, "}") != 0)
- {
- ERR("Expected } after speaker definitions, got %s\n", value);
- goto fail;
- }
- }
- else if(strcmp(command, "lfmatrix") == 0 || strcmp(command, "hfmatrix") == 0 ||
- strcmp(command, "matrix") == 0)
- {
- const char *value = my_strtok_r(NULL, "/ \t", &saveptr);
- if(strcmp(value, "{") != 0)
- {
- ERR("Expected { after %s command, got %s\n", command, value);
- goto fail;
- }
- if(conf->FreqBands == 1)
- {
- if(strcmp(command, "matrix") != 0)
- {
- ERR("Unexpected \"%s\" type for a single-band decoder\n", command);
- goto fail;
- }
- if(!load_ambdec_matrix(conf->HFOrderGain, conf->HFMatrix, conf->NumSpeakers,
- f, &buffer, &maxlen, &saveptr))
- goto fail;
- }
- else
- {
- if(strcmp(command, "lfmatrix") == 0)
- {
- if(!load_ambdec_matrix(conf->LFOrderGain, conf->LFMatrix, conf->NumSpeakers,
- f, &buffer, &maxlen, &saveptr))
- goto fail;
- }
- else if(strcmp(command, "hfmatrix") == 0)
- {
- if(!load_ambdec_matrix(conf->HFOrderGain, conf->HFMatrix, conf->NumSpeakers,
- f, &buffer, &maxlen, &saveptr))
- goto fail;
- }
- else
- {
- ERR("Unexpected \"%s\" type for a dual-band decoder\n", command);
- goto fail;
- }
- }
- value = my_strtok_r(NULL, "/ \t", &saveptr);
- if(!value)
- {
- line = read_clipped_line(f, &buffer, &maxlen);
- if(!line)
- {
- ERR("Unexpected end of file\n");
- goto fail;
- }
- value = my_strtok_r(line, "/ \t", &saveptr);
- }
- if(strcmp(value, "}") != 0)
- {
- ERR("Expected } after matrix definitions, got %s\n", value);
- goto fail;
- }
- }
- else if(strcmp(command, "end") == 0)
- {
- line = my_strtok_r(NULL, "/ \t", &saveptr);
- if(line)
- {
- ERR("Unexpected junk on end: %s\n", line);
- goto fail;
- }
-
- fclose(f);
- free(buffer);
- return 1;
- }
- else
- {
- ERR("Unexpected command: %s\n", command);
- goto fail;
- }
-
- line = my_strtok_r(NULL, "/ \t", &saveptr);
- if(line)
- {
- ERR("Unexpected junk on line: %s\n", line);
- goto fail;
- }
- }
- ERR("Unexpected end of file\n");
-
-fail:
- fclose(f);
- free(buffer);
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 15:56:20 +0000