[FFmpeg-devel] [PATCH] libavformat/mpegts.c: fix to check end of each descriptor of SDT

Marton Balint cus at passwd.hu
Sat Apr 9 21:29:20 EEST 2022



On Sun, 3 Apr 2022, TADANO Tokumei wrote:

> Current code incorrectly check against end of section rather than
> end of descriptor.

Thanks, applied.

Regards,
Marton

>
> Signed-off-by: TADANO Tokumei <aimingoff at pc.nifty.jp>
> ---
> libavformat/mpegts.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
> index da77b50669..ecffb01562 100644
> --- a/libavformat/mpegts.c
> +++ b/libavformat/mpegts.c
> @@ -2718,13 +2718,13 @@ static void sdt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
>
>             switch (desc_tag) {
>             case 0x48:
> -                service_type = get8(&p, p_end);
> +                service_type = get8(&p, desc_end);
>                 if (service_type < 0)
>                     break;
> -                provider_name = getstr8(&p, p_end);
> +                provider_name = getstr8(&p, desc_end);
>                 if (!provider_name)
>                     break;
> -                name = getstr8(&p, p_end);
> +                name = getstr8(&p, desc_end);
>                 if (name) {
>                     AVProgram *program = av_new_program(ts->stream, sid);
>                     if (program) {
> -- 
> 2.30.2
>
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