[FFmpeg-devel] [PATCH] img2enc: mention -frames:v in error message

[Kieran O Leary]

On Tue, 15 Jan 2019, 00:25 Lou Logan <lou at lrcd.com wrote:

> Signed-off-by: Lou Logan <lou at lrcd.com>
> ---
>  libavformat/img2enc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/img2enc.c b/libavformat/img2enc.c
> index a09cc8ec50..bec4bf81dd 100644
> --- a/libavformat/img2enc.c
> +++ b/libavformat/img2enc.c
> @@ -110,7 +110,8 @@ static int write_packet(AVFormatContext *s, AVPacket
> *pkt)
>
>  AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0 &&
>                     img->img_number > 1) {
>              av_log(s, AV_LOG_ERROR,
> -                   "Could not get frame filename number %d from pattern
> '%s' (either set update or use a pattern like %%03d within the filename
> pattern)\n",
> +                   "Could not get frame filename number %d from pattern
> '%s'. "
> +                   "Use '-frames:v 1' for a single image, or '-update'
> option, or use a pattern such as %%03d within the filename.\n",
>

Looks good to me. The adding of a dash is useful as my colleagues and I
have seen that error many times and I never really new what 'set update'
meant. I only now looked up -update in the documentation.

-Kieran

                    img->img_number, img->path);
>              return AVERROR(EINVAL);
>          }
> --
> 2.20.1
>
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