Re: [FFmpeg-devel] [PATCH] avcodec/h2645_parse: Avoid EAGAIN

[Kieran Kunhya <kierank@obe.tv>]

Sent from my mobile device

On Sun, 1 Oct 2023, 20:01 Michael Niedermayer, <michael@niedermayer.cc>
wrote:

> EAGAIN causes an assertion failure when it is returned from the decoder
>
> Fixes: Assertion consumed != (-(11)) failed at libavcodec/decode.c:462
> Fixes: assertion_IOT_instruction_decode_c_462/poc
>
> Found-by: Hardik Shah of Vehere (Dawn Treaders team)
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
>  libavcodec/h2645_parse.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/h2645_parse.h b/libavcodec/h2645_parse.h
> index 787ce971ee4..128dea09efb 100644
> --- a/libavcodec/h2645_parse.h
> +++ b/libavcodec/h2645_parse.h
> @@ -123,7 +123,7 @@ static inline int get_nalsize(int nal_length_size,
> const uint8_t *buf,
>
>      if (*buf_index >= buf_size - nal_length_size) {
>          // the end of the buffer is reached, refill it
> -        return AVERROR(EAGAIN);
> +        return AVERROR_INVALIDDATA;
>      }
>
>      for (i = 0; i < nal_length_size; i++)
> --
> 2.17.1
>

But these are not the same for an API user?

Kieran

>
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