On Sun, Feb 28, 2021 at 04:01:21AM +0100, Andreas Rheinhardt wrote:
> The WTV demuxer's oledata_to_iso8601 reads a value via avio_rl64
> and reinterprets it as a double via av_int2double. This does not
> work on big endian systems. So swap it to native endianness before
> av_int2double.
>
> law-and-order-partial.wtv from the FATE-suite exhibited the problem.
>
> Thanks-to: Andriy Gelman <andriy.gel...@gmail.com>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
> ---
> libavformat/wtvdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c
> index 7def9d2348..bb84e5dc9f 100644
> --- a/libavformat/wtvdec.c
> +++ b/libavformat/wtvdec.c
> @@ -418,7 +418,7 @@ static int crazytime_to_iso8601(char *buf, int buf_size,
> int64_t value)
> */
> static int oledate_to_iso8601(char *buf, int buf_size, int64_t value)
> {
> - time_t t = (av_int2double(value) - 25569.0) * 86400;
> + time_t t = (av_int2double(av_le2ne64(value)) - 25569.0) * 86400;
> struct tm tmbuf;
> struct tm *tm= gmtime_r(&t, &tmbuf);
> if (!tm)
> --
> 2.27.0ok, please apply. -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
