[FFmpeg-devel] [PATCH v2 2/3] avformat/avio{, buf}: introduce public AVIOContext::bytes_{read, written}

[Michael Niedermayer]

On Thu, Oct 14, 2021 at 12:10:37AM +0300, Jan Ekström wrote:
> Such fields can be seen as generally useful in cases where the
> API user is not implementing custom AVIO callbacks, but still would
> like to know if data is being read or written out, such as in case
> data is being read from input but no AVPacket has been received yet.
> ---
>  doc/APIchanges        |  3 +++
>  libavformat/avio.h    | 10 ++++++++++
>  libavformat/aviobuf.c |  4 +++-
>  libavformat/version.h |  2 +-
>  4 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/doc/APIchanges b/doc/APIchanges
> index 7b267a79ac..806eaf4c83 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -14,6 +14,9 @@ libavutil:     2021-04-27
>  
>  API changes, most recent first:
>  
> +2021-09-26 - xxxxxxxxxx - lavf 59.7.100 - avio.h
> +  Introduce public bytes_{read,written} statistic fields to AVIOContext.
> +
>  2021-09-21 - xxxxxxxxxx - lavu 57.7.100 - pixfmt.h
>    Add AV_PIX_FMT_X2BGR10.
>  
> diff --git a/libavformat/avio.h b/libavformat/avio.h
> index a7b56ab667..0f9a0f909f 100644
> --- a/libavformat/avio.h
> +++ b/libavformat/avio.h
> @@ -297,6 +297,16 @@ typedef struct AVIOContext {
>       * used keeping track of already written data for a later flush.
>       */
>      unsigned char *buf_ptr_max;
> +
> +    /**
> +     * Read-only statistic of bytes read for this AVIOContext.
> +     */
> +    int64_t bytes_read;
> +
> +    /**
> +     * Read-only statistic of bytes written for this AVIOContext.
> +     */
> +    int64_t bytes_written;
>  } AVIOContext;

ok

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is a danger to trust the dream we wish for rather than
the science we have, -- Dr. Kenneth Brown
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