- const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
- void *dst;
- if (o_out)
- *o_out= o;
- if (!o)
- return AVERROR_OPTION_NOT_FOUND;
+ AVClass *class = *(AVClass**)obj;
+ if (!last && class->option[0].name) return class->option;
+ if (last && last[1].name) return ++last;
+ return NULL;
+}
+
+static int read_number(const AVOption *o, void *dst, double *num, int *den, int64_t *intnum)
+{
+ switch (o->type) {
+ case AV_OPT_TYPE_FLAGS: *intnum = *(unsigned int*)dst;return 0;
+ case AV_OPT_TYPE_INT: *intnum = *(int *)dst;return 0;
+ case AV_OPT_TYPE_INT64: *intnum = *(int64_t *)dst;return 0;
+ case AV_OPT_TYPE_FLOAT: *num = *(float *)dst;return 0;
+ case AV_OPT_TYPE_DOUBLE: *num = *(double *)dst;return 0;
+ case AV_OPT_TYPE_RATIONAL: *intnum = ((AVRational*)dst)->num;
+ *den = ((AVRational*)dst)->den;
+ return 0;
+ }
+ return AVERROR(EINVAL);
+}
- 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:
+ case AV_OPT_TYPE_FLAGS:
+ case AV_OPT_TYPE_INT: *(int *)dst= llrint(num/den)*intnum; break;
+ case AV_OPT_TYPE_INT64: *(int64_t *)dst= llrint(num/den)*intnum; break;
+ case AV_OPT_TYPE_FLOAT: *(float *)dst= num*intnum/den; break;
+ case AV_OPT_TYPE_DOUBLE:*(double *)dst= num*intnum/den; break;
+ case AV_OPT_TYPE_RATIONAL:
int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out)
{
const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out)
{
const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
- case FF_OPT_TYPE_STRING: return set_string(obj, o, val, dst);
- case FF_OPT_TYPE_BINARY: return set_string_binary(obj, o, val, dst);
- case FF_OPT_TYPE_FLAGS:
- case FF_OPT_TYPE_INT:
- case FF_OPT_TYPE_INT64:
- case FF_OPT_TYPE_FLOAT:
- case FF_OPT_TYPE_DOUBLE:
- case FF_OPT_TYPE_RATIONAL: return set_string_number(obj, o, val, dst);
+ case AV_OPT_TYPE_STRING: return set_string(obj, o, val, dst);
+ case AV_OPT_TYPE_BINARY: return set_string_binary(obj, o, val, dst);
+ case AV_OPT_TYPE_FLAGS:
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_INT64:
+ case AV_OPT_TYPE_FLOAT:
+ case AV_OPT_TYPE_DOUBLE:
+ case AV_OPT_TYPE_RATIONAL: return set_string_number(obj, o, val, dst);
-static const AVOption *set_number(void *obj, const char *name, double num, int den, int64_t intnum)
+#define OPT_EVAL_NUMBER(name, opttype, vartype)\
+ int av_opt_eval_ ## name(void *obj, const AVOption *o, const char *val, vartype *name ## _out)\
+ {\
+ if (!o || o->type != opttype)\
+ return AVERROR(EINVAL);\
+ return set_string_number(obj, o, val, name ## _out);\
+ }
+
+OPT_EVAL_NUMBER(flags, AV_OPT_TYPE_FLAGS, int)
+OPT_EVAL_NUMBER(int, AV_OPT_TYPE_INT, int)
+OPT_EVAL_NUMBER(int64, AV_OPT_TYPE_INT64, int64_t)
+OPT_EVAL_NUMBER(float, AV_OPT_TYPE_FLOAT, float)
+OPT_EVAL_NUMBER(double, AV_OPT_TYPE_DOUBLE, double)
+OPT_EVAL_NUMBER(q, AV_OPT_TYPE_RATIONAL, AVRational)
+
+static int set_number(void *obj, const char *name, double num, int den, int64_t intnum,
+ int search_flags)
- const AVOption *o = NULL;
- if (write_number(obj, name, num, den, intnum, &o) < 0)
- return NULL;
- else
- return o;
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+
+ dst = ((uint8_t*)target_obj) + o->offset;
+ return write_number(obj, o, dst, num, den, intnum);
- return set_number(obj, name, 1, 1, n);
+ const AVOption *o = av_opt_find(obj, name, NULL, 0, 0);
+ if (set_number(obj, name, 1, 1, n, 0) < 0)
+ return NULL;
+ return o;
+}
+#endif
+
+int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
+{
+ return set_number(obj, name, 1, 1, val, search_flags);
+}
+
+int av_opt_set_double(void *obj, const char *name, double val, int search_flags)
+{
+ return set_number(obj, name, val, 1, 1, search_flags);
- 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:
+ case AV_OPT_TYPE_FLAGS: snprintf(buf, buf_len, "0x%08X",*(int *)dst);break;
+ case AV_OPT_TYPE_INT: snprintf(buf, buf_len, "%d" , *(int *)dst);break;
+ case AV_OPT_TYPE_INT64: snprintf(buf, buf_len, "%"PRId64, *(int64_t*)dst);break;
+ case AV_OPT_TYPE_FLOAT: snprintf(buf, buf_len, "%f" , *(float *)dst);break;
+ case AV_OPT_TYPE_DOUBLE: snprintf(buf, buf_len, "%f" , *(double *)dst);break;
+ case AV_OPT_TYPE_RATIONAL: snprintf(buf, buf_len, "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break;
+ case AV_OPT_TYPE_STRING: return *(void**)dst;
+ case AV_OPT_TYPE_BINARY:
- 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 AV_OPT_TYPE_FLAGS: ret = snprintf(buf, sizeof(buf), "0x%08X", *(int *)dst);break;
+ case AV_OPT_TYPE_INT: ret = snprintf(buf, sizeof(buf), "%d" , *(int *)dst);break;
+ case AV_OPT_TYPE_INT64: ret = snprintf(buf, sizeof(buf), "%"PRId64, *(int64_t*)dst);break;
+ case AV_OPT_TYPE_FLOAT: ret = snprintf(buf, sizeof(buf), "%f" , *(float *)dst);break;
+ case AV_OPT_TYPE_DOUBLE: ret = snprintf(buf, sizeof(buf), "%f" , *(double *)dst);break;
+ case AV_OPT_TYPE_RATIONAL: ret = snprintf(buf, sizeof(buf), "%d/%d", ((AVRational*)dst)->num, ((AVRational*)dst)->den);break;
+ case AV_OPT_TYPE_STRING:
+ if (*(uint8_t**)dst)
+ *out_val = av_strdup(*(uint8_t**)dst);
+ else
+ *out_val = av_strdup("");
+ return 0;
+ case AV_OPT_TYPE_BINARY:
+ len = *(int*)(((uint8_t *)dst) + sizeof(uint8_t *));
+ if ((uint64_t)len*2 + 1 > INT_MAX)
+ return AVERROR(EINVAL);
+ if (!(*out_val = av_malloc(len*2 + 1)))
+ return AVERROR(ENOMEM);
+ bin = *(uint8_t**)dst;
+ for (i = 0; i < len; i++)
+ snprintf(*out_val + i*2, 3, "%02X", bin[i]);
+ return 0;
+ default:
+ return AVERROR(EINVAL);
+
+ if (ret >= sizeof(buf))
+ return AVERROR(EINVAL);
+ *out_val = av_strdup(buf);
+ return 0;
+}
+
+static int get_number(void *obj, const char *name, const AVOption **o_out, double *num, int *den, int64_t *intnum,
+ int search_flags)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ if (!o || !target_obj)
+ goto error;
+
+ dst = ((uint8_t*)target_obj) + o->offset;
+
+ if (o_out) *o_out= o;
+
+ return read_number(o, dst, num, den, intnum);
+
+#endif
+
+int av_opt_get_int(void *obj, const char *name, int search_flags, int64_t *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+ *out_val = num*intnum/den;
+ return 0;
+}
+
+int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+ *out_val = num*intnum/den;
+ return 0;
+}
+
+int av_opt_get_q(void *obj, const char *name, int search_flags, AVRational *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+
+ if (num == 1.0 && (int)intnum == intnum)
+ *out_val = (AVRational){intnum, den};
+ else
+ *out_val = av_d2q(num*intnum/den, 1<<24);
+ return 0;
+}
- const AVOption *field = av_find_opt(obj, field_name, NULL, 0, 0);
- const AVOption *flag = av_find_opt(obj, flag_name, NULL, 0, 0);
+ const AVOption *field = av_opt_find(obj, field_name, NULL, 0, 0);
+ const AVOption *flag = av_opt_find(obj, flag_name,
+ field ? field->unit : NULL, 0, 0);
+ int64_t res;
- if (c->opt_find && search_flags & AV_OPT_SEARCH_CHILDREN &&
- (o = c->opt_find(obj, name, unit, opt_flags, search_flags)))
- return o;
+ if (search_flags & AV_OPT_SEARCH_CHILDREN) {
+ if (search_flags & AV_OPT_SEARCH_FAKE_OBJ) {
+ const AVClass *child = NULL;
+ while (child = av_opt_child_class_next(c, child))
+ if (o = av_opt_find2(&child, name, unit, opt_flags, search_flags, NULL))
+ return o;
+ } else {
+ void *child = NULL;
+ while (child = av_opt_child_next(obj, child))
+ if (o = av_opt_find2(child, name, unit, opt_flags, search_flags, target_obj))
+ return o;
+ }
+ }
-{"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" },
+{"num", "set num", OFFSET(num), AV_OPT_TYPE_INT, {0}, 0, 100 },
+{"toggle", "set toggle", OFFSET(toggle), AV_OPT_TYPE_INT, {0}, 0, 1 },
+{"rational", "set rational", OFFSET(rational), AV_OPT_TYPE_RATIONAL, {0}, 0, 10 },
+{"string", "set string", OFFSET(string), AV_OPT_TYPE_STRING, {0}, CHAR_MIN, CHAR_MAX },
+{"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {0}, 0, INT_MAX, 0, "flags" },
+{"cool", "set cool flag ", 0, AV_OPT_TYPE_CONST, {TEST_FLAG_COOL}, INT_MIN, INT_MAX, 0, "flags" },
+{"lame", "set lame flag ", 0, AV_OPT_TYPE_CONST, {TEST_FLAG_LAME}, INT_MIN, INT_MAX, 0, "flags" },
+{"mu", "set mu flag ", 0, AV_OPT_TYPE_CONST, {TEST_FLAG_MU}, INT_MIN, INT_MAX, 0, "flags" },