Re: [FFmpeg-devel] [PATCH] libavformat/segment: strftime date sub-directories

[James Dutton <james.dutton@gmail.com>]

Hi,

This is a follow on from:
https://patchwork.ffmpeg.org/project/ffmpeg/patch/CAAMvbhG9QsKSXfUzrt3REsRR89J5scYd84ec6OLEARqx4CUD-A@mail.gmail.com/


On Tue, 21 Dec 2021 at 21:39, James Dutton <james.dutton@gmail.com> wrote:
>
> Automatically create sub-directories if needed based on date.
> E.g.
> ffmpeg ... -timelimit 2147483647 -f segment -strftime 1 -segment_time
> 10 "%Y/%m/%d/%Y-%m-%d_%H-%M-%S.mkv"
>
> Signed-off-by: James Courtier-Dutton <james.dutton@gmail.com>
> ---
>  libavformat/segment.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/libavformat/segment.c b/libavformat/segment.c
> index e9b0aa4fa8..86ca243ae6 100644
> --- a/libavformat/segment.c
> +++ b/libavformat/segment.c
> @@ -198,12 +198,27 @@ static int set_segment_filename(AVFormatContext *s)
>      if (seg->use_strftime) {
>          time_t now0;
>          struct tm *tm, tmpbuf;
> +        const char *dir;
> +        char *fn_copy;
>          time(&now0);
>          tm = localtime_r(&now0, &tmpbuf);
>          if (!strftime(buf, sizeof(buf), s->url, tm)) {
>              av_log(oc, AV_LOG_ERROR, "Could not get segment filename
> with strftime\n");
>              return AVERROR(EINVAL);
>          }
> +        /* Automatically create directories if needed */
> +        /* E.g. %Y/%m/%d/%Y-%m-%d_%H-%M-%S.mkv */
> +        fn_copy = av_strdup(buf);
> +        if (!fn_copy) {
> +            return AVERROR(ENOMEM);
> +        }
> +        dir = av_dirname(fn_copy);
> +        if (ff_mkdir_p(dir) == -1 && errno != EEXIST) {
> +            av_log(oc, AV_LOG_ERROR, "Could not create directory %s
> with use_localtime_mkdir\n", dir);
> +            av_free(fn_copy);
> +            return AVERROR(errno);
> +        }
> +        av_free(fn_copy);
>      } else if (av_get_frame_filename(buf, sizeof(buf),
>                                       s->url, seg->segment_idx) < 0) {
>          av_log(oc, AV_LOG_ERROR, "Invalid segment filename template
> '%s'\n", s->url);
> --
> 2.25.1
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