-#if FF_API_TAG_STRING
-size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
-{
- int i, len, ret = 0;
-
-#define TAG_PRINT(x) \
- (((x) >= '0' && (x) <= '9') || \
- ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
- ((x) == '.' || (x) == ' ' || (x) == '-' || (x) == '_'))
-
- for (i = 0; i < 4; i++) {
- len = snprintf(buf, buf_size,
- TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
- buf += len;
- buf_size = buf_size > len ? buf_size - len : 0;
- ret += len;
- codec_tag >>= 8;
- }
- return ret;
-}
-#endif
-