[FFmpeg-devel] [PATCH] lavu/hwcontext_qsv: Join the download/upload session to the main session
Xiang, Haihao
haihao.xiang at intel.com
Fri Mar 15 04:52:19 EET 2024
On Ma, 2024-03-11 at 12:56 +0800, Xiang, Haihao wrote:
> From: Haihao Xiang <haihao.xiang at intel.com>
>
> This may reduce the number of internal threads when using hwupload or
> hwdownload filter.
>
> Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>
> ---
> libavutil/hwcontext_qsv.c | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/libavutil/hwcontext_qsv.c b/libavutil/hwcontext_qsv.c
> index 378cd5e826..e5e043d2d1 100644
> --- a/libavutil/hwcontext_qsv.c
> +++ b/libavutil/hwcontext_qsv.c
> @@ -55,6 +55,10 @@
> (MFX_VERSION_MAJOR > (MAJOR) || \
> MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
>
> +#define QSV_RUNTIME_VERSION_ATLEAST(MFX_VERSION, MAJOR, MINOR) \
> + ((MFX_VERSION.Major > (MAJOR)) || \
> + (MFX_VERSION.Major == (MAJOR) && MFX_VERSION.Minor >= (MINOR)))
> +
> #define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
> #define QSV_ONEVPL QSV_VERSION_ATLEAST(2, 0)
> #define QSV_HAVE_OPAQUE !QSV_ONEVPL
> @@ -1136,6 +1140,17 @@ static int qsv_init_internal_session(AVHWFramesContext
> *ctx,
> int ret = AVERROR_UNKNOWN;
> /* hwctx->loader is non-NULL for oneVPL user and NULL for non-oneVPL user
> */
> void **loader = &hwctx->loader;
> + mfxSession parent_session = hwctx->session;
> + mfxIMPL impl;
> + mfxVersion ver;
> +
> + err = MFXQueryIMPL(parent_session, &impl);
> + if (err == MFX_ERR_NONE)
> + err = MFXQueryVersion(parent_session, &ver);
> + if (err != MFX_ERR_NONE) {
> + av_log(ctx, AV_LOG_ERROR, "Error querying the session
> attributes.\n");
> + return AVERROR_UNKNOWN;
> + }
>
> #if QSV_HAVE_OPAQUE
> QSVFramesContext *s = ctx->hwctx;
> @@ -1156,6 +1171,15 @@ static int qsv_init_internal_session(AVHWFramesContext
> *ctx,
> }
> }
>
> + if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
> + err = MFXJoinSession(parent_session, *session);
> + if (err != MFX_ERR_NONE) {
> + av_log(ctx, AV_LOG_ERROR, "Error joining session.\n");
> + ret = AVERROR_UNKNOWN;
> + goto fail;
> + }
> + }
> +
> if (!opaque) {
> err = MFXVideoCORE_SetFrameAllocator(*session, &frame_allocator);
> if (err != MFX_ERR_NONE) {
Will apply
- Haihao
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