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msdk: use MFXJoinSession() to join the parent and child sessions

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1503>
This commit is contained in:
Haihao Xiang 2021-03-01 12:09:43 +08:00
parent cd3a3534c4
commit bda11a3e73
1 changed files with 66 additions and 17 deletions
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83
sys/msdk/gstmsdkcontext.c
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@ -315,17 +315,80 @@ gst_msdk_context_new_with_parent (GstMsdkContext * parent)
GstMsdkContext *obj = g_object_new (GST_TYPE_MSDK_CONTEXT, NULL); GstMsdkContext *obj = g_object_new (GST_TYPE_MSDK_CONTEXT, NULL);
GstMsdkContextPrivate *priv = obj->priv; GstMsdkContextPrivate *priv = obj->priv;
GstMsdkContextPrivate *parent_priv = parent->priv; GstMsdkContextPrivate *parent_priv = parent->priv;
mfxVersion version;
mfxIMPL impl;
MsdkSession child_msdk_session;
mfxHandleType handle_type = 0;
mfxHDL handle = NULL;
status = MFXQueryIMPL (parent_priv->session.session, &impl);
if (status == MFX_ERR_NONE)
status = MFXQueryVersion (parent_priv->session.session, &version);
status =
MFXCloneSession (parent_priv->session.session, &priv->session.session);
if (status != MFX_ERR_NONE) { if (status != MFX_ERR_NONE) {
GST_ERROR ("Failed to clone mfx session"); GST_ERROR ("Failed to query the session attributes (%s)",
msdk_status_to_string (status));
g_object_unref (obj); g_object_unref (obj);
return NULL; return NULL;
} }
if (MFX_IMPL_VIA_VAAPI == (0x0f00 & (impl)))
handle_type = MFX_HANDLE_VA_DISPLAY;
if (handle_type) {
status =
MFXVideoCORE_GetHandle (parent_priv->session.session, handle_type,
&handle);
if (status != MFX_ERR_NONE || !handle) {
GST_ERROR ("Failed to get session handle (%s)",
msdk_status_to_string (status));
g_object_unref (obj);
return NULL;
}
}
child_msdk_session.loader = parent_priv->session.loader;
child_msdk_session.session = NULL;
status = msdk_init_msdk_session (impl, &version, &child_msdk_session);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Failed to create a child mfx session (%s)",
msdk_status_to_string (status));
g_object_unref (obj);
return NULL;
}
if (handle) {
status =
MFXVideoCORE_SetHandle (child_msdk_session.session, handle_type,
handle);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Failed to set a HW handle (%s)",
msdk_status_to_string (status));
MFXClose (child_msdk_session.session);
g_object_unref (obj);
return NULL;
}
}
#if (MFX_VERSION >= 1025)
status =
MFXJoinSession (parent_priv->session.session, child_msdk_session.session);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Failed to join two sessions (%s)",
msdk_status_to_string (status));
MFXClose (child_msdk_session.session);
g_object_unref (obj);
return NULL;
}
#endif
/* Set loader to NULL for child session */ /* Set loader to NULL for child session */
priv->session.loader = NULL; priv->session.loader = NULL;
priv->session.session = child_msdk_session.session;
priv->is_joined = TRUE; priv->is_joined = TRUE;
priv->hardware = parent_priv->hardware; priv->hardware = parent_priv->hardware;
priv->job_type = parent_priv->job_type; priv->job_type = parent_priv->job_type;
@ -334,20 +397,6 @@ gst_msdk_context_new_with_parent (GstMsdkContext * parent)
#ifndef _WIN32 #ifndef _WIN32
priv->dpy = parent_priv->dpy; priv->dpy = parent_priv->dpy;
priv->fd = parent_priv->fd; priv->fd = parent_priv->fd;
if (priv->hardware) {
status =
MFXVideoCORE_SetHandle (priv->session.session, MFX_HANDLE_VA_DISPLAY,
(mfxHDL) parent_priv->dpy);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Setting VA handle failed (%s)",
msdk_status_to_string (status));
g_object_unref (obj);
return NULL;
}
}
#endif #endif
return obj; return obj;