[FFmpeg-devel] [PATCH v2] avformat/hlsenc: remove duplicate code block

[mypopy at gmail.com]

On Fri, Nov 29, 2019 at 12:46 PM Steven Liu <lq at chinaffmpeg.org> wrote:
>
> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
> ---
>  libavformat/hlsenc.c | 27 ++++++---------------------
>  1 file changed, 6 insertions(+), 21 deletions(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 043438368e..34ffab49a0 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -2486,8 +2486,12 @@ static void hls_free_variant_streams(struct HLSContext *hls)
>          if (vtt_oc) {
>              av_freep(&vs->vtt_basename);
>              av_freep(&vs->vtt_m3u8_name);
> +            avformat_free_context(vtt_oc);
>          }
>
> +        if (vs->avf)
> +            avformat_free_context(vs->avf);
avformat_free_context can handle the NULL case, so don't need to check
the NULL before this call
> +
>          hls_free_segments(vs->segments);
>          hls_free_segments(vs->old_segments);
>          av_freep(&vs->m3u8_name);
> @@ -2619,7 +2623,6 @@ failed:
>                  av_write_trailer(vtt_oc);
>              vs->size = avio_tell(vs->vtt_avf->pb) - vs->start_pos;
>              ff_format_io_close(s, &vtt_oc->pb);
> -            avformat_free_context(vtt_oc);
>          }
>          ret = hls_window(s, 1, vs);
>          if (ret < 0) {
> @@ -2628,7 +2631,6 @@ failed:
>              hls_window(s, 1, vs);
>          }
>          ffio_free_dyn_buf(&oc->pb);
> -        avformat_free_context(oc);
>
>          vs->avf = NULL;
>          av_free(old_filename);
> @@ -2956,31 +2958,14 @@ static int hls_init(AVFormatContext *s)
>
>  fail:
>      if (ret < 0) {
> -        av_freep(&hls->key_basename);
> -        for (i = 0; i < hls->nb_varstreams && hls->var_streams; i++) {
> -            vs = &hls->var_streams[i];
> -            av_freep(&vs->basename);
> -            av_freep(&vs->vtt_basename);
> -            av_freep(&vs->fmp4_init_filename);
> -            av_freep(&vs->m3u8_name);
> -            av_freep(&vs->vtt_m3u8_name);
> -            av_freep(&vs->streams);
> -            av_freep(&vs->language);
> -            av_freep(&vs->agroup);
> -            av_freep(&vs->ccgroup);
> -            av_freep(&vs->baseurl);
> -            av_freep(&vs->varname);
> -            if (vs->avf)
> -                avformat_free_context(vs->avf);
> -            if (vs->vtt_avf)
> -                avformat_free_context(vs->vtt_avf);
> -        }
> +        hls_free_variant_streams(hls);
>          for (i = 0; i < hls->nb_ccstreams; i++) {
>              ClosedCaptionsStream *ccs = &hls->cc_streams[i];
>              av_freep(&ccs->ccgroup);
>              av_freep(&ccs->instreamid);
>              av_freep(&ccs->language);
>          }
> +        av_freep(&hls->key_basename);
>          av_freep(&hls->var_streams);
>          av_freep(&hls->cc_streams);
>          av_freep(&hls->master_m3u8_url);
> --
> 2.15.1