On Wed, Feb 16, 2022 at 7:02 AM Andreas Rheinhardt <
andreas.rheinha...@outlook.com> wrote:
> Forgotten in 03c8fe49ea3f2a2444607e541dff15a1ccd7f0c2.
>
> Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
> ---
> What is actually the use-case of these filters? The documentation states
> that they are auto-inserted, yet this is no longer true any more since
> 4ca1fb9d2a91757c8c4c34dd456abf340e3f765f.
>
Now avfilter buffers internally if needed, so filters are no longer useful.
Also they seems to call malloc for every input frame.
>
> libavfilter/fifo.c | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/libavfilter/fifo.c b/libavfilter/fifo.c
> index 1c7be88ae1..8b34055fde 100644
> --- a/libavfilter/fifo.c
> +++ b/libavfilter/fifo.c
> @@ -38,13 +38,6 @@ typedef struct Buf {
> typedef struct FifoContext {
> Buf root;
> Buf *last; ///< last buffered frame
> -
> - /**
> - * When a specific number of output samples is requested, the partial
> - * buffer is stored here
> - */
> - AVFrame *out;
> - int allocated_samples; ///< number of samples out was allocated
> for
> } FifoContext;
>
> static av_cold int init(AVFilterContext *ctx)
> @@ -65,8 +58,6 @@ static av_cold void uninit(AVFilterContext *ctx)
> av_frame_free(&buf->frame);
> av_free(buf);
> }
> -
> - av_frame_free(&s->out);
> }
>
> static int add_to_queue(AVFilterLink *inlink, AVFrame *frame)
> --
> 2.32.0
>
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