| /* |
| * AVOptions |
| * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * AVOptions |
| * @author Michael Niedermayer <michaelni@gmx.at> |
| */ |
| |
| #include "avutil.h" |
| #include "avstring.h" |
| #include "opt.h" |
| #include "eval.h" |
| #include "dict.h" |
| |
| #if FF_API_FIND_OPT |
| //FIXME order them and do a bin search |
| const AVOption *av_find_opt(void *v, const char *name, const char *unit, int mask, int flags) |
| { |
| const AVOption *o = NULL; |
| |
| while ((o = av_next_option(v, o))) { |
| if (!strcmp(o->name, name) && (!unit || (o->unit && !strcmp(o->unit, unit))) && (o->flags & mask) == flags) |
| return o; |
| } |
| return NULL; |
| } |
| #endif |
| |
| const AVOption *av_next_option(void *obj, const AVOption *last) |
| { |
| if (last && last[1].name) return ++last; |
| else if (last || !(*(AVClass**)obj)->option->name) return NULL; |
| else return (*(AVClass**)obj)->option; |
| } |
| |
| static int av_set_number2(void *obj, const char *name, double num, int den, int64_t intnum, const AVOption **o_out) |
| { |
| const AVOption *o = av_opt_find(obj, name, NULL, 0, 0); |
| void *dst; |
| if (o_out) |
| *o_out= o; |
| if (!o || o->offset<=0) |
| return AVERROR_OPTION_NOT_FOUND; |
| |
| if (o->max*den < num*intnum || o->min*den > num*intnum) { |
| av_log(obj, AV_LOG_ERROR, "Value %lf for parameter '%s' out of range\n", num, name); |
| return AVERROR(ERANGE); |
| } |
| |
| dst= ((uint8_t*)obj) + o->offset; |
| |
| switch (o->type) { |
| case FF_OPT_TYPE_FLAGS: |
| case FF_OPT_TYPE_INT: *(int *)dst= llrint(num/den)*intnum; break; |
| case FF_OPT_TYPE_INT64: *(int64_t *)dst= llrint(num/den)*intnum; break; |
| case FF_OPT_TYPE_FLOAT: *(float *)dst= num*intnum/den; break; |
| case FF_OPT_TYPE_DOUBLE:*(double *)dst= num*intnum/den; break; |
| case FF_OPT_TYPE_RATIONAL: |
| if ((int)num == num) *(AVRational*)dst= (AVRational){num*intnum, den}; |
| else *(AVRational*)dst= av_d2q(num*intnum/den, 1<<24); |
| break; |
| default: |
| return AVERROR(EINVAL); |
| } |
| return 0; |
| } |
| |
| static const AVOption *av_set_number(void *obj, const char *name, double num, int den, int64_t intnum) |
| { |
| const AVOption *o = NULL; |
| if (av_set_number2(obj, name, num, den, intnum, &o) < 0) |
| return NULL; |
| else |
| return o; |
| } |
| |
| static const double const_values[] = { |
| M_PI, |
| M_E, |
| FF_QP2LAMBDA, |
| 0 |
| }; |
| |
| static const char * const const_names[] = { |
| "PI", |
| "E", |
| "QP2LAMBDA", |
| 0 |
| }; |
| |
| static int hexchar2int(char c) { |
| if (c >= '0' && c <= '9') return c - '0'; |
| if (c >= 'a' && c <= 'f') return c - 'a' + 10; |
| if (c >= 'A' && c <= 'F') return c - 'A' + 10; |
| return -1; |
| } |
| |
| int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out) |
| { |
| int ret; |
| const AVOption *o = av_opt_find(obj, name, NULL, 0, 0); |
| if (o_out) |
| *o_out = o; |
| if (!o) |
| return AVERROR_OPTION_NOT_FOUND; |
| if ((!val && o->type != FF_OPT_TYPE_STRING) || o->offset<=0) |
| return AVERROR(EINVAL); |
| |
| if (o->type == FF_OPT_TYPE_BINARY) { |
| uint8_t **dst = (uint8_t **)(((uint8_t*)obj) + o->offset); |
| int *lendst = (int *)(dst + 1); |
| uint8_t *bin, *ptr; |
| int len = strlen(val); |
| av_freep(dst); |
| *lendst = 0; |
| if (len & 1) return AVERROR(EINVAL); |
| len /= 2; |
| ptr = bin = av_malloc(len); |
| while (*val) { |
| int a = hexchar2int(*val++); |
| int b = hexchar2int(*val++); |
| if (a < 0 || b < 0) { |
| av_free(bin); |
| return AVERROR(EINVAL); |
| } |
| *ptr++ = (a << 4) | b; |
| } |
| *dst = bin; |
| *lendst = len; |
| return 0; |
| } |
| if (o->type != FF_OPT_TYPE_STRING) { |
| int notfirst=0; |
| for (;;) { |
| int i; |
| char buf[256]; |
| int cmd=0; |
| double d; |
| |
| if (*val == '+' || *val == '-') |
| cmd= *(val++); |
| |
| for (i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+' && val[i]!='-'; i++) |
| buf[i]= val[i]; |
| buf[i]=0; |
| |
| { |
| const AVOption *o_named = av_opt_find(obj, buf, o->unit, 0, 0); |
| if (o_named && o_named->type == FF_OPT_TYPE_CONST) |
| d= o_named->default_val.dbl; |
| else if (!strcmp(buf, "default")) d= o->default_val.dbl; |
| else if (!strcmp(buf, "max" )) d= o->max; |
| else if (!strcmp(buf, "min" )) d= o->min; |
| else if (!strcmp(buf, "none" )) d= 0; |
| else if (!strcmp(buf, "all" )) d= ~0; |
| else { |
| int res = av_expr_parse_and_eval(&d, buf, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, obj); |
| if (res < 0) { |
| av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\"\n", val); |
| return res; |
| } |
| } |
| } |
| if (o->type == FF_OPT_TYPE_FLAGS) { |
| if (cmd=='+') d= av_get_int(obj, name, NULL) | (int64_t)d; |
| else if (cmd=='-') d= av_get_int(obj, name, NULL) &~(int64_t)d; |
| } else { |
| if (cmd=='+') d= notfirst*av_get_double(obj, name, NULL) + d; |
| else if (cmd=='-') d= notfirst*av_get_double(obj, name, NULL) - d; |
| } |
| |
| if ((ret = av_set_number2(obj, name, d, 1, 1, o_out)) < 0) |
| return ret; |
| val+= i; |
| if (!*val) |
| return 0; |
| notfirst=1; |
| } |
| return AVERROR(EINVAL); |
| } |
| |
| if (alloc) { |
| av_free(*(void**)(((uint8_t*)obj) + o->offset)); |
| val= av_strdup(val); |
| } |
| |
| memcpy(((uint8_t*)obj) + o->offset, &val, sizeof(val)); |
| return 0; |
| } |
| |
| const AVOption *av_set_double(void *obj, const char *name, double n) |
| { |
| return av_set_number(obj, name, n, 1, 1); |
| } |
| |
| const AVOption *av_set_q(void *obj, const char *name, AVRational n) |
| { |
| return av_set_number(obj, name, n.num, n.den, 1); |
| } |
| |
| const AVOption *av_set_int(void *obj, const char *name, int64_t n) |
| { |
| return av_set_number(obj, name, 1, 1, n); |
| } |
| |
| /** |
| * |
| * @param buf a buffer which is used for returning non string values as strings, can be NULL |
| * @param buf_len allocated length in bytes of buf |
| */ |
| const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len) |
| { |
| const AVOption *o = av_opt_find(obj, name, NULL, 0, 0); |
| void *dst; |
| uint8_t *bin; |
| int len, i; |
| if (!o || o->offset<=0) |
| return NULL; |
| if (o->type != FF_OPT_TYPE_STRING && (!buf || !buf_len)) |
| return NULL; |
| |
| dst= ((uint8_t*)obj) + o->offset; |
| if (o_out) *o_out= o; |
| |
| switch (o->type) { |
| case FF_OPT_TYPE_FLAGS: snprintf(buf, buf_len, "0x%08X",*(int *)dst);break; |
| case FF_OPT_TYPE_INT: snprintf(buf, buf_len, "%d" , *(int *)dst);break; |
| case FF_OPT_TYPE_INT64: snprintf(buf, buf_len, "%"PRId64, *(int64_t*)dst);break; |
| case FF_OPT_TYPE_FLOAT: snprintf(buf, buf_len, "%f" , *(float *)dst);break; |
| case FF_OPT_TYPE_DOUBLE: snprintf(buf, buf_len, "%f" , *(double *)dst);break; |
| case FF_OPT_TYPE_RATIONAL: snprintf(buf, buf_len, "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break; |
| case FF_OPT_TYPE_STRING: return *(void**)dst; |
| case FF_OPT_TYPE_BINARY: |
| len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *)); |
| if (len >= (buf_len + 1)/2) return NULL; |
| bin = *(uint8_t**)dst; |
| for (i = 0; i < len; i++) snprintf(buf + i*2, 3, "%02X", bin[i]); |
| break; |
| default: return NULL; |
| } |
| return buf; |
| } |
| |
| static int av_get_number(void *obj, const char *name, const AVOption **o_out, double *num, int *den, int64_t *intnum) |
| { |
| const AVOption *o = av_opt_find(obj, name, NULL, 0, 0); |
| void *dst; |
| if (!o || (o->offset<=0 && o->type != FF_OPT_TYPE_CONST)) |
| goto error; |
| |
| dst= ((uint8_t*)obj) + o->offset; |
| |
| if (o_out) *o_out= o; |
| |
| switch (o->type) { |
| case FF_OPT_TYPE_FLAGS: *intnum= *(unsigned int*)dst;return 0; |
| case FF_OPT_TYPE_INT: *intnum= *(int *)dst;return 0; |
| case FF_OPT_TYPE_INT64: *intnum= *(int64_t*)dst;return 0; |
| case FF_OPT_TYPE_FLOAT: *num= *(float *)dst;return 0; |
| case FF_OPT_TYPE_DOUBLE: *num= *(double *)dst;return 0; |
| case FF_OPT_TYPE_RATIONAL: *intnum= ((AVRational*)dst)->num; |
| *den = ((AVRational*)dst)->den; |
| return 0; |
| case FF_OPT_TYPE_CONST: *intnum= o->default_val.dbl;return 0; |
| } |
| error: |
| *den=*intnum=0; |
| return -1; |
| } |
| |
| double av_get_double(void *obj, const char *name, const AVOption **o_out) |
| { |
| int64_t intnum=1; |
| double num=1; |
| int den=1; |
| |
| if (av_get_number(obj, name, o_out, &num, &den, &intnum) < 0) |
| return NAN; |
| return num*intnum/den; |
| } |
| |
| AVRational av_get_q(void *obj, const char *name, const AVOption **o_out) |
| { |
| int64_t intnum=1; |
| double num=1; |
| int den=1; |
| |
| if (av_get_number(obj, name, o_out, &num, &den, &intnum) < 0) |
| return (AVRational){0, 0}; |
| if (num == 1.0 && (int)intnum == intnum) |
| return (AVRational){intnum, den}; |
| else |
| return av_d2q(num*intnum/den, 1<<24); |
| } |
| |
| int64_t av_get_int(void *obj, const char *name, const AVOption **o_out) |
| { |
| int64_t intnum=1; |
| double num=1; |
| int den=1; |
| |
| if (av_get_number(obj, name, o_out, &num, &den, &intnum) < 0) |
| return -1; |
| return num*intnum/den; |
| } |
| |
| int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name) |
| { |
| const AVOption *field = av_find_opt(obj, field_name, NULL, 0, 0); |
| const AVOption *flag = av_find_opt(obj, flag_name, NULL, 0, 0); |
| |
| if (!field || !flag || flag->type != FF_OPT_TYPE_CONST) |
| return 0; |
| return av_get_int(obj, field_name, NULL) & (int) flag->default_val.dbl; |
| } |
| |
| static void opt_list(void *obj, void *av_log_obj, const char *unit, |
| int req_flags, int rej_flags) |
| { |
| const AVOption *opt=NULL; |
| |
| while ((opt= av_next_option(obj, opt))) { |
| if (!(opt->flags & req_flags) || (opt->flags & rej_flags)) |
| continue; |
| |
| /* Don't print CONST's on level one. |
| * Don't print anything but CONST's on level two. |
| * Only print items from the requested unit. |
| */ |
| if (!unit && opt->type==FF_OPT_TYPE_CONST) |
| continue; |
| else if (unit && opt->type!=FF_OPT_TYPE_CONST) |
| continue; |
| else if (unit && opt->type==FF_OPT_TYPE_CONST && strcmp(unit, opt->unit)) |
| continue; |
| else if (unit && opt->type == FF_OPT_TYPE_CONST) |
| av_log(av_log_obj, AV_LOG_INFO, " %-15s ", opt->name); |
| else |
| av_log(av_log_obj, AV_LOG_INFO, "-%-17s ", opt->name); |
| |
| switch (opt->type) { |
| case FF_OPT_TYPE_FLAGS: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<flags>"); |
| break; |
| case FF_OPT_TYPE_INT: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<int>"); |
| break; |
| case FF_OPT_TYPE_INT64: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<int64>"); |
| break; |
| case FF_OPT_TYPE_DOUBLE: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<double>"); |
| break; |
| case FF_OPT_TYPE_FLOAT: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<float>"); |
| break; |
| case FF_OPT_TYPE_STRING: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<string>"); |
| break; |
| case FF_OPT_TYPE_RATIONAL: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<rational>"); |
| break; |
| case FF_OPT_TYPE_BINARY: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", "<binary>"); |
| break; |
| case FF_OPT_TYPE_CONST: |
| default: |
| av_log(av_log_obj, AV_LOG_INFO, "%-7s ", ""); |
| break; |
| } |
| av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_ENCODING_PARAM) ? 'E' : '.'); |
| av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_DECODING_PARAM) ? 'D' : '.'); |
| av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_VIDEO_PARAM ) ? 'V' : '.'); |
| av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_AUDIO_PARAM ) ? 'A' : '.'); |
| av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) ? 'S' : '.'); |
| |
| if (opt->help) |
| av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help); |
| av_log(av_log_obj, AV_LOG_INFO, "\n"); |
| if (opt->unit && opt->type != FF_OPT_TYPE_CONST) { |
| opt_list(obj, av_log_obj, opt->unit, req_flags, rej_flags); |
| } |
| } |
| } |
| |
| int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags) |
| { |
| if (!obj) |
| return -1; |
| |
| av_log(av_log_obj, AV_LOG_INFO, "%s AVOptions:\n", (*(AVClass**)obj)->class_name); |
| |
| opt_list(obj, av_log_obj, NULL, req_flags, rej_flags); |
| |
| return 0; |
| } |
| |
| /** Set the values of the AVCodecContext or AVFormatContext structure. |
| * They are set to the defaults specified in the according AVOption options |
| * array default_val field. |
| * |
| * @param s AVCodecContext or AVFormatContext for which the defaults will be set |
| */ |
| void av_opt_set_defaults2(void *s, int mask, int flags) |
| { |
| const AVOption *opt = NULL; |
| while ((opt = av_next_option(s, opt)) != NULL) { |
| if ((opt->flags & mask) != flags) |
| continue; |
| switch (opt->type) { |
| case FF_OPT_TYPE_CONST: |
| /* Nothing to be done here */ |
| break; |
| case FF_OPT_TYPE_FLAGS: |
| case FF_OPT_TYPE_INT: { |
| int val; |
| val = opt->default_val.dbl; |
| av_set_int(s, opt->name, val); |
| } |
| break; |
| case FF_OPT_TYPE_INT64: |
| if ((double)(opt->default_val.dbl+0.6) == opt->default_val.dbl) |
| av_log(s, AV_LOG_DEBUG, "loss of precision in default of %s\n", opt->name); |
| av_set_int(s, opt->name, opt->default_val.dbl); |
| break; |
| case FF_OPT_TYPE_DOUBLE: |
| case FF_OPT_TYPE_FLOAT: { |
| double val; |
| val = opt->default_val.dbl; |
| av_set_double(s, opt->name, val); |
| } |
| break; |
| case FF_OPT_TYPE_RATIONAL: { |
| AVRational val; |
| val = av_d2q(opt->default_val.dbl, INT_MAX); |
| av_set_q(s, opt->name, val); |
| } |
| break; |
| case FF_OPT_TYPE_STRING: |
| av_set_string3(s, opt->name, opt->default_val.str, 1, NULL); |
| break; |
| case FF_OPT_TYPE_BINARY: |
| /* Cannot set default for binary */ |
| break; |
| default: |
| av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n", opt->type, opt->name); |
| } |
| } |
| } |
| |
| void av_opt_set_defaults(void *s) |
| { |
| av_opt_set_defaults2(s, 0, 0); |
| } |
| |
| /** |
| * Store the value in the field in ctx that is named like key. |
| * ctx must be an AVClass context, storing is done using AVOptions. |
| * |
| * @param buf the string to parse, buf will be updated to point at the |
| * separator just after the parsed key/value pair |
| * @param key_val_sep a 0-terminated list of characters used to |
| * separate key from value |
| * @param pairs_sep a 0-terminated list of characters used to separate |
| * two pairs from each other |
| * @return 0 if the key/value pair has been successfully parsed and |
| * set, or a negative value corresponding to an AVERROR code in case |
| * of error: |
| * AVERROR(EINVAL) if the key/value pair cannot be parsed, |
| * the error code issued by av_set_string3() if the key/value pair |
| * cannot be set |
| */ |
| static int parse_key_value_pair(void *ctx, const char **buf, |
| const char *key_val_sep, const char *pairs_sep) |
| { |
| char *key = av_get_token(buf, key_val_sep); |
| char *val; |
| int ret; |
| |
| if (*key && strspn(*buf, key_val_sep)) { |
| (*buf)++; |
| val = av_get_token(buf, pairs_sep); |
| } else { |
| av_log(ctx, AV_LOG_ERROR, "Missing key or no key/value separator found after key '%s'\n", key); |
| av_free(key); |
| return AVERROR(EINVAL); |
| } |
| |
| av_log(ctx, AV_LOG_DEBUG, "Setting value '%s' for key '%s'\n", val, key); |
| |
| ret = av_set_string3(ctx, key, val, 1, NULL); |
| if (ret == AVERROR_OPTION_NOT_FOUND) |
| av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key); |
| |
| av_free(key); |
| av_free(val); |
| return ret; |
| } |
| |
| int av_set_options_string(void *ctx, const char *opts, |
| const char *key_val_sep, const char *pairs_sep) |
| { |
| int ret, count = 0; |
| |
| if (!opts) |
| return 0; |
| while (*opts) { |
| if ((ret = parse_key_value_pair(ctx, &opts, key_val_sep, pairs_sep)) < 0) |
| return ret; |
| count++; |
| |
| if (*opts) |
| opts++; |
| } |
| |
| return count; |
| } |
| |
| void av_opt_free(void *obj) |
| { |
| const AVOption *o = NULL; |
| while ((o = av_next_option(obj, o))) |
| if (o->type == FF_OPT_TYPE_STRING || o->type == FF_OPT_TYPE_BINARY) |
| av_freep((uint8_t *)obj + o->offset); |
| } |
| |
| int av_opt_set_dict(void *obj, AVDictionary **options) |
| { |
| AVDictionaryEntry *t = NULL; |
| AVDictionary *tmp = NULL; |
| int ret = 0; |
| |
| while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) { |
| ret = av_set_string3(obj, t->key, t->value, 1, NULL); |
| if (ret == AVERROR_OPTION_NOT_FOUND) |
| av_dict_set(&tmp, t->key, t->value, 0); |
| else if (ret < 0) { |
| av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value); |
| break; |
| } |
| ret = 0; |
| } |
| av_dict_free(options); |
| *options = tmp; |
| return ret; |
| } |
| |
| const AVOption *av_opt_find(void *obj, const char *name, const char *unit, |
| int opt_flags, int search_flags) |
| { |
| AVClass *c = *(AVClass**)obj; |
| const AVOption *o = NULL; |
| |
| if (c->opt_find && search_flags & AV_OPT_SEARCH_CHILDREN && |
| (o = c->opt_find(obj, name, unit, opt_flags, search_flags))) |
| return o; |
| |
| while (o = av_next_option(obj, o)) { |
| if (!strcmp(o->name, name) && (!unit || (o->unit && !strcmp(o->unit, unit))) && |
| (o->flags & opt_flags) == opt_flags) |
| return o; |
| } |
| return NULL; |
| } |
| |
| #ifdef TEST |
| |
| #undef printf |
| |
| typedef struct TestContext |
| { |
| const AVClass *class; |
| int num; |
| int toggle; |
| char *string; |
| int flags; |
| AVRational rational; |
| } TestContext; |
| |
| #define OFFSET(x) offsetof(TestContext, x) |
| |
| #define TEST_FLAG_COOL 01 |
| #define TEST_FLAG_LAME 02 |
| #define TEST_FLAG_MU 04 |
| |
| static const AVOption test_options[]= { |
| {"num", "set num", OFFSET(num), FF_OPT_TYPE_INT, 0, 0, 100 }, |
| {"toggle", "set toggle", OFFSET(toggle), FF_OPT_TYPE_INT, 0, 0, 1 }, |
| {"rational", "set rational", OFFSET(rational), FF_OPT_TYPE_RATIONAL, 0, 0, 10 }, |
| {"string", "set string", OFFSET(string), FF_OPT_TYPE_STRING, 0, CHAR_MIN, CHAR_MAX }, |
| {"flags", "set flags", OFFSET(flags), FF_OPT_TYPE_FLAGS, 0, 0, INT_MAX, 0, "flags" }, |
| {"cool", "set cool flag ", 0, FF_OPT_TYPE_CONST, TEST_FLAG_COOL, INT_MIN, INT_MAX, 0, "flags" }, |
| {"lame", "set lame flag ", 0, FF_OPT_TYPE_CONST, TEST_FLAG_LAME, INT_MIN, INT_MAX, 0, "flags" }, |
| {"mu", "set mu flag ", 0, FF_OPT_TYPE_CONST, TEST_FLAG_MU, INT_MIN, INT_MAX, 0, "flags" }, |
| {NULL}, |
| }; |
| |
| static const char *test_get_name(void *ctx) |
| { |
| return "test"; |
| } |
| |
| static const AVClass test_class = { |
| "TestContext", |
| test_get_name, |
| test_options |
| }; |
| |
| int main(void) |
| { |
| int i; |
| |
| printf("\nTesting av_set_options_string()\n"); |
| { |
| TestContext test_ctx; |
| const char *options[] = { |
| "", |
| ":", |
| "=", |
| "foo=:", |
| ":=foo", |
| "=foo", |
| "foo=", |
| "foo", |
| "foo=val", |
| "foo==val", |
| "toggle=:", |
| "string=:", |
| "toggle=1 : foo", |
| "toggle=100", |
| "toggle==1", |
| "flags=+mu-lame : num=42: toggle=0", |
| "num=42 : string=blahblah", |
| "rational=0 : rational=1/2 : rational=1/-1", |
| "rational=-1/0", |
| }; |
| |
| test_ctx.class = &test_class; |
| av_opt_set_defaults2(&test_ctx, 0, 0); |
| test_ctx.string = av_strdup("default"); |
| |
| av_log_set_level(AV_LOG_DEBUG); |
| |
| for (i=0; i < FF_ARRAY_ELEMS(options); i++) { |
| av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]); |
| if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0) |
| av_log(&test_ctx, AV_LOG_ERROR, "Error setting options string: '%s'\n", options[i]); |
| printf("\n"); |
| } |
| } |
| |
| return 0; |
| } |
| |
| #endif |
