On 8/1/2020 8:22 AM, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
> 
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
>  libavcodec/libsvtav1.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
> index d34c6b3..eb6043b 100644
> --- a/libavcodec/libsvtav1.c
> +++ b/libavcodec/libsvtav1.c
> @@ -273,23 +273,17 @@ static av_cold int eb_enc_init(AVCodecContext *avctx)
>  
>      ret = config_enc_params(&svt_enc->enc_params, avctx);
>      if (ret < 0) {
> -        svt_av1_enc_deinit_handle(svt_enc->svt_handle);
> -        svt_enc->svt_handle = NULL;
>          av_log(avctx, AV_LOG_ERROR, "Error configuring encoder 
> parameters\n");
>          return ret;
>      }
>  
>      svt_ret = svt_av1_enc_set_parameter(svt_enc->svt_handle, 
> &svt_enc->enc_params);
>      if (svt_ret != EB_ErrorNone) {
> -        svt_av1_enc_deinit_handle(svt_enc->svt_handle);
> -        svt_enc->svt_handle = NULL;
>          return svt_print_error(avctx, svt_ret, "Error setting encoder 
> parameters");
>      }
>  
>      svt_ret = svt_av1_enc_init(svt_enc->svt_handle);
>      if (svt_ret != EB_ErrorNone) {
> -        svt_av1_enc_deinit_handle(svt_enc->svt_handle);
> -        svt_enc->svt_handle = NULL;
>          return svt_print_error(avctx, svt_ret, "Error initializing encoder");
>      }

Did you try to trigger one of these paths without the code you're
removing? Afaik these were added because otherwise the library would
segfault during close(), because svt_av1_enc_deinit() was called on it
on an scenario where svt_av1_enc_init() hadn't ever been called.

A proper change would be to ensure the above doesn't happen.
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