[FFmpeg-devel] [PATCH 2/2] avformat/mp3enc: Avoid SEEK_END as it is unsupported

[James Almer]

On 5/14/2019 8:04 AM, Michael Niedermayer wrote:
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavformat/mp3enc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
> index dd662f5473..f4814be80e 100644
> --- a/libavformat/mp3enc.c
> +++ b/libavformat/mp3enc.c
> @@ -391,6 +391,7 @@ static void mp3_update_xing(AVFormatContext *s)
>      uint16_t tag_crc;
>      uint8_t *toc;
>      int i, rg_size;
> +    int64_t old_pos = avio_tell(s->pb);
>  
>      /* replace "Xing" identification string with "Info" for CBR files. */
>      if (!mp3->has_variable_bitrate)
> @@ -450,7 +451,7 @@ static void mp3_update_xing(AVFormatContext *s)
>  
>      avio_seek(s->pb,  mp3->xing_frame_offset, SEEK_SET);
>      avio_write(s->pb, mp3->xing_frame, mp3->xing_frame_size);
> -    avio_seek(s->pb, 0, SEEK_END);
> +    avio_seek(s->pb, old_pos, SEEK_SET);

What do you mean unsupported?

>  }
>  
>  static int mp3_write_trailer(struct AVFormatContext *s)
>