[FFmpeg-devel] [PATCH 1/2] avformat: add av_stream_get_codec_timebase()

[wm4]

On Mon, 26 Sep 2016 14:39:12 -0300
James Almer <jamrial at gmail.com> wrote:

> This will allow ffmpeg.c to stop using AVStream.codec in some cases
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
> TODO: Version bump, APIChanges entry.
> 
>  libavformat/avformat.h |  7 +++++++
>  libavformat/utils.c    | 10 ++++++++++
>  2 files changed, 17 insertions(+)
> 
> diff --git a/libavformat/avformat.h b/libavformat/avformat.h
> index ae70cc8..057f8c5 100644
> --- a/libavformat/avformat.h
> +++ b/libavformat/avformat.h
> @@ -2922,6 +2922,13 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
>                                                    enum AVTimebaseSource copy_tb);
>  
>  /**
> + * Get the internal codec timebase from a stream.
> + *
> + * @param st  input stream to extract the timebase from
> + */
> +AVRational av_stream_get_codec_timebase(const AVStream *st);
> +
> +/**
>   * @}
>   */
>  
> diff --git a/libavformat/utils.c b/libavformat/utils.c
> index 3e0f57d..abb5fb9 100644
> --- a/libavformat/utils.c
> +++ b/libavformat/utils.c
> @@ -5383,3 +5383,13 @@ int avformat_transfer_internal_stream_timing_info(const AVOutputFormat *ofmt,
>  
>      return 0;
>  }
> +
> +AVRational av_stream_get_codec_timebase(const AVStream *st)
> +{
> +    // See avformat_transfer_internal_stream_timing_info() TODO.
> +#if FF_API_LAVF_AVCTX
> +FF_DISABLE_DEPRECATION_WARNINGS
> +    return st->codec->time_base;
> +FF_ENABLE_DEPRECATION_WARNINGS
> +#endif
> +}

So if FF_API_LAVF_AVCTX is finally removed, this function changes its
behavior to launching nethack? I don't get it.