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lavu/hwcontext_qsv: Join the download/upload session to the main session 

This may reduce the number of internal threads when using hwupload or
hwdownload filter.

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Haihao Xiang 2024-03-11 12:56:02 +08:00
parent 697251bb0c
commit 74a8e080d0
1 changed files with 24 additions and 0 deletions
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24
libavutil/hwcontext_qsv.c
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@ -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) {