[FFmpeg-devel] [PATCH 4/6] doc/examples/transcode: improve reporting when the encoder is not found

[Paul B Mahol]

On Sat, Sep 2, 2023 at 1:15 AM Stefano Sabatini <stefasab at gmail.com> wrote:

> Also return EINVAL in place of INVALIDDATA.
>

Better return also name, id number is meaningless to user.


> ---
>  doc/examples/transcode.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/doc/examples/transcode.c b/doc/examples/transcode.c
> index 1ec4a3c230..aa6594f4ec 100644
> --- a/doc/examples/transcode.c
> +++ b/doc/examples/transcode.c
> @@ -161,8 +161,8 @@ static int open_output_file(const char *filename)
>              /* in this example, we choose transcoding to same codec */
>              encoder = avcodec_find_encoder(dec_ctx->codec_id);
>              if (!encoder) {
> -                av_log(NULL, AV_LOG_FATAL, "Necessary encoder not
> found\n");
> -                return AVERROR_INVALIDDATA;
> +                av_log(NULL, AV_LOG_FATAL, "Necessary encoder with ID %d
> not found\n", dec_ctx->codec_id);
> +                return AVERROR(EINVAL);
>              }
>              enc_ctx = avcodec_alloc_context3(encoder);
>              if (!enc_ctx) {
> --
> 2.34.1
>
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