[FFmpeg-devel] [PATCH v1 1/2] lavc/libdavs2: add davs2_flush

[Liu Steven]

> 在 2019年3月21日，上午9:58，hwrenx <hwrenx at 126.com> 写道：
> 
> Signed-off-by: hwrenx <hwrenx at 126.com>
> ---
> libavcodec/libdavs2.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
> 
> diff --git a/libavcodec/libdavs2.c b/libavcodec/libdavs2.c
> index 0808721..b0eb4fd 100644
> --- a/libavcodec/libdavs2.c
> +++ b/libavcodec/libdavs2.c
> @@ -129,6 +129,21 @@ static int davs2_dump_frames(AVCodecContext *avctx, davs2_picture_t *pic, int *g
>     return 0;
> }
> 
> +static void davs2_flush(AVCodecContext *avctx)
> +{
> +    DAVS2Context *cad      = avctx->priv_data;
> +    int           ret      = DAVS2_GOT_FRAME;
> +
> +    while (ret == DAVS2_GOT_FRAME) {
> +        ret = davs2_decoder_flush(cad->decoder, &cad->headerset, &cad->out_frame);
> +        davs2_decoder_frame_unref(cad->decoder, &cad->out_frame);
> +    }
> +
> +    if (ret == DAVS2_ERROR) {
> +        av_log(avctx, AV_LOG_WARNING, "Decoder flushing failed.\n");
> +    }
> +}
> +
> static int send_delayed_frame(AVCodecContext *avctx, AVFrame *frame, int *got_frame)
> {
>     DAVS2Context *cad      = avctx->priv_data;
> @@ -205,6 +220,7 @@ AVCodec ff_libdavs2_decoder = {
>     .init           = davs2_init,
>     .close          = davs2_end,
>     .decode         = davs2_decode_frame,
> +    .flush          = davs2_flush,
>     .capabilities   =  AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
>     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
>                                                      AV_PIX_FMT_NONE },
> -- 
> 2.7.4
> 
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patchset look good to me


Thanks