On Tue, Mar 28, 2017 at 10:19:46AM +0200, Clément Bœsch wrote:
[...]
> diff --git a/libavutil/utils.c b/libavutil/utils.c
> index 36e4dd5fdb..29f2746338 100644
> --- a/libavutil/utils.c
> +++ b/libavutil/utils.c
> @@ -121,6 +121,29 @@ unsigned av_int_list_length_for_size(unsigned elsize,
> return i;
> }
>
> +char *av_fourcc_make_string(char *buf, uint32_t fourcc)
> +{
> + int i;
> + char *orig_buf = buf;
> + size_t buf_size = AV_FOURCC_MAX_STRING_SIZE;
> +
> + for (i = 0; i < 4; i++) {
> + const char c = fourcc & 0xff;
> + const int print_chr = (c >= '0' && c <= '9') ||
> + (c >= 'a' && c <= 'z') ||
> + (c >= 'A' && c <= 'Z') ||
> + (c && strchr(". -_", c));
> + const int len = snprintf(buf, buf_size, print_chr ? "%c" : "[%d]",
> c);this prints values over 127 as negative if char is signed [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The bravest are surely those who have the clearest vision of what is before them, glory and danger alike, and yet notwithstanding go out to meet it. -- Thucydides
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