2017-09-25 18:04 GMT+08:00 Luca Barbato <lu_z...@gentoo.org>:
> Should improve the performance on multiple transcoding from a single
> source.
> ---
> libavcodec/qsv.c | 5 +++++
> libavfilter/qsvvpp.c | 3 +++
> 2 files changed, 8 insertions(+)
>
> diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
> index 56bfbb33d2..76a0e26bb4 100644
> --- a/libavcodec/qsv.c
> +++ b/libavcodec/qsv.c
> @@ -594,6 +594,11 @@ int ff_qsv_init_session_device(AVCodecContext
> *avctx, mfxSession *psession,
> "Error setting a HW handle");
> }
>
> + err = MFXJoinSession(parent_session, session);
> + if (err != MFX_ERR_NONE)
> + return ff_qsv_print_error(avctx, err,
> + "Error joining session");
> +
> ret = qsv_load_plugins(session, load_plugins, avctx);
> if (ret < 0) {
> av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
> diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
> index 0b639c2d67..5d20a383fc 100644
> --- a/libavfilter/qsvvpp.c
> +++ b/libavfilter/qsvvpp.c
> @@ -515,6 +515,9 @@ static int init_vpp_session(AVFilterContext *avctx,
> QSVVPPContext *s)
> if (ret != MFX_ERR_NONE)
> return AVERROR_UNKNOWN;
> }
> + ret = MFXJoinSession(device_hwctx->session, s->session);
> + if (ret != MFX_ERR_NONE)
> + return AVERROR_UNKNOWN;
>
> if (IS_OPAQUE_MEMORY(s->in_mem_mode) ||
> IS_OPAQUE_MEMORY(s->out_mem_mode))
> {
> s->opaque_alloc.In.Surfaces = s->surface_ptrs_in;
> --
> 2.11.1
>
> _______________________________________________
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> libav-devel@libav.org
> https://lists.libav.org/mailman/listinfo/libav-devel
>
Works fine on my side.
LGTM
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