[FFmpeg-devel] [PATCH 1/1] libavformat/dashenc : Prevent writing manifest files multiple times

[Jeyapal, Karthick]

On 4/8/19 6:23 PM, joepadmiraal wrote:
> ---
>  libavformat/dashenc.c | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
> index f8d71166d4..4585a46202 100644
> --- a/libavformat/dashenc.c
> +++ b/libavformat/dashenc.c
> @@ -145,6 +145,8 @@ typedef struct DASHContext {
>      int ignore_io_errors;
>      int lhls;
>      int master_publish_rate;
> +    int nr_of_streams_to_flush;
> +    int nr_of_streams_flushed;
>  } DASHContext;
>
>  static struct codec_string {
> @@ -1089,6 +1091,7 @@ static int dash_init(AVFormatContext *s)
>      char *ptr;
>      char basename[1024];
>
> +    c->nr_of_streams_to_flush = 0;
>      if (c->single_file_name)
>          c->single_file = 1;
>      if (c->single_file)
> @@ -1302,12 +1305,18 @@ static int dash_init(AVFormatContext *s)
>          os->max_pts = AV_NOPTS_VALUE;
>          os->last_dts = AV_NOPTS_VALUE;
>          os->segment_index = 1;
> +
> +        if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
> +            c->nr_of_streams_to_flush++;
>      }
>
>      if (!c->has_video && c->seg_duration <= 0) {
>          av_log(s, AV_LOG_WARNING, "no video stream and no seg duration set\n");
>          return AVERROR(EINVAL);
>      }
> +
> +    c->nr_of_streams_flushed = 0;
> +
>      return 0;
>  }
>
> @@ -1616,8 +1625,16 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
>              }
>          }
>      }
> -    if (ret >= 0)
> +    if (ret >= 0) {
> +        if (c->has_video) {
> +            c->nr_of_streams_flushed++;
> +            if (c->nr_of_streams_flushed != c->nr_of_streams_to_flush)
> +                return ret;
> +
> +            c->nr_of_streams_flushed = 0;
> +        }
>          ret = write_manifest(s, final);
> +    }
>      return ret;
>  }
Pushed.

Thanks and regards,
Karthick
>
> --
> 2.17.0
>
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