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msdkcontext: Remove unused codes in msdkcontext

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We don't maintain three list (i.e. avail, locked and used) surfaces
as the old way did to achieve memory management, so remove the
correcponding codes for old memory management.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4276>
This commit is contained in:
Mengkejiergeli Ba 2022-12-01 15:25:59 +08:00 committed by GStreamer Marge Bot
parent ec2ef6e2d3
commit 471f3b3b93
2 changed files with 0 additions and 144 deletions
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132
subprojects/gst-plugins-bad/sys/msdk/gstmsdkcontext.c
View file

@ -736,20 +736,6 @@ gst_msdk_context_get_cached_alloc_responses_by_request (GstMsdkContext *
return NULL;
}
static void
free_surface (gpointer surface)
{
g_slice_free1 (sizeof (mfxFrameSurface1), surface);
}
static void
remove_surfaces (GstMsdkContext * context, GstMsdkAllocResponse * resp)
{
g_list_free_full (resp->surfaces_used, free_surface);
g_list_free_full (resp->surfaces_avail, free_surface);
g_list_free_full (resp->surfaces_locked, free_surface);
}
void
gst_msdk_context_add_alloc_response (GstMsdkContext * context,
GstMsdkAllocResponse * resp)
@ -772,8 +758,6 @@ gst_msdk_context_remove_alloc_response (GstMsdkContext * context,
msdk_resp = l->data;
remove_surfaces (context, msdk_resp);
g_slice_free1 (sizeof (GstMsdkAllocResponse), msdk_resp);
priv->cached_alloc_responses =
g_list_delete_link (priv->cached_alloc_responses, l);
@ -781,122 +765,6 @@ gst_msdk_context_remove_alloc_response (GstMsdkContext * context,
return TRUE;
}
static gboolean
check_surfaces_available (GstMsdkContext * context, GstMsdkAllocResponse * resp)
{
GList *l;
mfxFrameSurface1 *surface = NULL;
GstMsdkContextPrivate *priv = context->priv;
gboolean ret = FALSE;
g_mutex_lock (&priv->mutex);
for (l = resp->surfaces_locked; l;) {
surface = l->data;
l = l->next;
if (!surface->Data.Locked) {
resp->surfaces_locked = g_list_remove (resp->surfaces_locked, surface);
resp->surfaces_avail = g_list_prepend (resp->surfaces_avail, surface);
ret = TRUE;
}
}
g_mutex_unlock (&priv->mutex);
return ret;
}
/*
* There are 3 lists here in GstMsdkContext as the following:
* 1. surfaces_avail : surfaces which are free and unused anywhere
* 2. surfaces_used : surfaces coupled with a gst buffer and being used now.
* 3. surfaces_locked : surfaces still locked even after the gst buffer is released.
*
* Note that they need to be protected by mutex to be thread-safe.
*/
mfxFrameSurface1 *
gst_msdk_context_get_surface_available (GstMsdkContext * context,
mfxFrameAllocResponse * resp)
{
GList *l;
mfxFrameSurface1 *surface = NULL;
GstMsdkAllocResponse *msdk_resp =
gst_msdk_context_get_cached_alloc_responses (context, resp);
gint retry = 0;
GstMsdkContextPrivate *priv = context->priv;
retry:
g_mutex_lock (&priv->mutex);
for (l = msdk_resp->surfaces_avail; l;) {
surface = l->data;
l = l->next;
if (!surface->Data.Locked) {
msdk_resp->surfaces_avail =
g_list_remove (msdk_resp->surfaces_avail, surface);
msdk_resp->surfaces_used =
g_list_prepend (msdk_resp->surfaces_used, surface);
break;
}
}
g_mutex_unlock (&priv->mutex);
/*
* If a msdk context is shared by multiple msdk elements,
* upstream msdk element sometimes needs to wait for a gst buffer
* to be released in downstream.
*
* Poll the pool for a maximum of 20 millisecond.
*
* FIXME: Is there any better way to handle this case?
*/
if (!surface && retry < 20) {
/* If there's no surface available, find unlocked surfaces in the locked list,
* take it back to the available list and then search again.
*/
check_surfaces_available (context, msdk_resp);
retry++;
g_usleep (1000);
goto retry;
}
return surface;
}
void
gst_msdk_context_put_surface_locked (GstMsdkContext * context,
mfxFrameAllocResponse * resp, mfxFrameSurface1 * surface)
{
GstMsdkContextPrivate *priv = context->priv;
GstMsdkAllocResponse *msdk_resp =
gst_msdk_context_get_cached_alloc_responses (context, resp);
g_mutex_lock (&priv->mutex);
if (!g_list_find (msdk_resp->surfaces_locked, surface)) {
msdk_resp->surfaces_used =
g_list_remove (msdk_resp->surfaces_used, surface);
msdk_resp->surfaces_locked =
g_list_prepend (msdk_resp->surfaces_locked, surface);
}
g_mutex_unlock (&priv->mutex);
}
void
gst_msdk_context_put_surface_available (GstMsdkContext * context,
mfxFrameAllocResponse * resp, mfxFrameSurface1 * surface)
{
GstMsdkContextPrivate *priv = context->priv;
GstMsdkAllocResponse *msdk_resp =
gst_msdk_context_get_cached_alloc_responses (context, resp);
g_mutex_lock (&priv->mutex);
if (!g_list_find (msdk_resp->surfaces_avail, surface)) {
msdk_resp->surfaces_used =
g_list_remove (msdk_resp->surfaces_used, surface);
msdk_resp->surfaces_avail =
g_list_prepend (msdk_resp->surfaces_avail, surface);
}
g_mutex_unlock (&priv->mutex);
}
void
gst_msdk_context_set_alloc_pool (GstMsdkContext * context, GstBufferPool * pool)
{

12
subprojects/gst-plugins-bad/sys/msdk/gstmsdkcontext.h
View file

@ -114,9 +114,6 @@ struct _GstMsdkAllocResponse {
gint refcount;
mfxFrameAllocResponse response;
mfxFrameAllocRequest request;
GList *surfaces_avail;
GList *surfaces_used;
GList *surfaces_locked;
};
GstMsdkAllocResponse *
@ -135,15 +132,6 @@ gboolean
gst_msdk_context_remove_alloc_response (GstMsdkContext * context,
mfxFrameAllocResponse * resp);
mfxFrameSurface1 *
gst_msdk_context_get_surface_available (GstMsdkContext * context, mfxFrameAllocResponse * resp);
void
gst_msdk_context_put_surface_locked (GstMsdkContext * context, mfxFrameAllocResponse * resp, mfxFrameSurface1 * surface);
void
gst_msdk_context_put_surface_available (GstMsdkContext * context, mfxFrameAllocResponse * resp, mfxFrameSurface1 * surface);
void
gst_msdk_context_set_alloc_pool (GstMsdkContext * context, GstBufferPool * pool);