On Fri, Oct 7, 2016 at 3:46 PM, Hendrik Leppkes <h.lepp...@gmail.com> wrote:
> Recent changes to ffmpeg.c tied output file init to stream init, which broke
> stream-less files, specifically ffmetadata output.
> ---
> ffmpeg.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/ffmpeg.c b/ffmpeg.c
> index 454e193..b3e23ef 100644
> --- a/ffmpeg.c
> +++ b/ffmpeg.c
> @@ -3460,6 +3460,16 @@ static int transcode_init(void)
> }
> }
>
> + /* write headers for files with no streams */
> + for (i = 0; i < nb_output_files; i++) {
> + oc = output_files[i]->ctx;
> + if (oc->oformat->flags & AVFMT_NOSTREAMS) {
Locally added a check here that nb_streams is actually 0, because
AVFMT_NOSTREAMS doesn't forbid having streams, just allows zero.
Once it has a single stream, its initialized with the stream.
> + ret = check_init_output_file(output_files[i], i);
> + if (ret < 0)
> + goto dump_format;
> + }
> + }
> +
> dump_format:
> /* dump the stream mapping */
> av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
> --
> 2.10.0.windows.1
>
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