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msdk: implements GstMsdkContext.

Browse source 
Makes GstMsdkContext to be a descendant of GstObject so that
we could track the life-cycle of the session of the driver.

Also replaces MsdkContext with this one.
Keeps msdk_d3d.c alive for the future.

https://bugzilla.gnome.org/show_bug.cgi?id=790752
This commit is contained in:
Hyunjun Ko 2018-02-13 12:41:28 -09:00 committed by Sreerenj Balachandran
parent 3f9d0fcaa9
commit 6ce9a66b80
15 changed files with 339 additions and 154 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/msdk/Makefile.am
View file

@ -1,6 +1,7 @@
plugin_LTLIBRARIES = libgstmsdk.la
libgstmsdk_la_SOURCES = \
gstmsdkcontext.c \
gstmsdkh264dec.c \
gstmsdkh264enc.c \
gstmsdkh265dec.c \
@ -20,6 +21,7 @@ nodist_EXTRA_libgstmsdk_la_SOURCES = not_present.cxx
noinst_HEADERS = \
msdk.h \
gstmsdkcontext.h \
gstmsdkh264dec.h \
gstmsdkh264enc.h \
gstmsdkh265dec.h \

213
sys/msdk/gstmsdkcontext.c Normal file
View file

@ -0,0 +1,213 @@
/* GStreamer Intel MSDK plugin
* Copyright (c) 2018, Intel Corporation
* Copyright (c) 2018, Igalia S.L.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "gstmsdkcontext.h"
#ifndef _WIN32
#include <fcntl.h>
#include <unistd.h>
#include <va/va_drm.h>
#endif
GST_DEBUG_CATEGORY_STATIC (gst_debug_msdkcontext);
#define GST_CAT_DEFAULT gst_debug_msdkcontext
#define GST_MSDK_CONTEXT_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GST_TYPE_MSDK_CONTEXT, \
GstMsdkContextPrivate))
#define gst_msdk_context_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstMsdkContext, gst_msdk_context, GST_TYPE_OBJECT,
GST_DEBUG_CATEGORY_INIT (gst_debug_msdkcontext, "msdkcontext", 0,
"MSDK Context"));
struct _GstMsdkContextPrivate
{
mfxSession session;
GList *cached_alloc_responses;
#ifndef _WIN32
gint fd;
VADisplay dpy;
#endif
};
#ifndef _WIN32
static gboolean
gst_msdk_context_use_vaapi (GstMsdkContext * context)
{
gint fd;
gint maj_ver, min_ver;
VADisplay va_dpy = NULL;
VAStatus va_status;
mfxStatus status;
GstMsdkContextPrivate *priv = context->priv;
/* maybe /dev/dri/renderD128 */
static const gchar *dri_path = "/dev/dri/card0";
fd = open (dri_path, O_RDWR);
if (fd < 0) {
GST_ERROR ("Couldn't open %s", dri_path);
return FALSE;
}
va_dpy = vaGetDisplayDRM (fd);
if (!va_dpy) {
GST_ERROR ("Couldn't get a VA DRM display");
goto failed;
}
va_status = vaInitialize (va_dpy, &maj_ver, &min_ver);
if (va_status != VA_STATUS_SUCCESS) {
GST_ERROR ("Couldn't initialize VA DRM display");
goto failed;
}
status = MFXVideoCORE_SetHandle (priv->session, MFX_HANDLE_VA_DISPLAY,
(mfxHDL) va_dpy);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Setting VAAPI handle failed (%s)",
msdk_status_to_string (status));
goto failed;
}
priv->fd = fd;
priv->dpy = va_dpy;
return TRUE;
failed:
if (va_dpy)
vaTerminate (va_dpy);
close (fd);
return FALSE;
}
#endif
static gboolean
gst_msdk_context_open (GstMsdkContext * context, gboolean hardware)
{
GstMsdkContextPrivate *priv = context->priv;
priv->session = msdk_open_session (hardware);
if (!priv->session)
goto failed;
#ifndef _WIN32
priv->fd = -1;
if (hardware) {
if (!gst_msdk_context_use_vaapi (context))
goto failed;
}
#endif
return TRUE;
failed:
msdk_close_session (priv->session);
gst_object_unref (context);
return FALSE;
}
static void
gst_msdk_context_init (GstMsdkContext * context)
{
GstMsdkContextPrivate *priv = GST_MSDK_CONTEXT_GET_PRIVATE (context);
context->priv = priv;
}
static void
gst_msdk_context_finalize (GObject * obj)
{
GstMsdkContext *context = GST_MSDK_CONTEXT_CAST (obj);
GstMsdkContextPrivate *priv = context->priv;
msdk_close_session (priv->session);
#ifndef _WIN32
if (priv->dpy)
vaTerminate (priv->dpy);
if (priv->fd >= 0)
close (priv->fd);
#endif
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
static void
gst_msdk_context_class_init (GstMsdkContextClass * klass)
{
GObjectClass *const g_object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (GstMsdkContextPrivate));
g_object_class->finalize = gst_msdk_context_finalize;
}
GstMsdkContext *
gst_msdk_context_new (gboolean hardware)
{
GstMsdkContext *obj = g_object_new (GST_TYPE_MSDK_CONTEXT, NULL);
if (obj && !gst_msdk_context_open (obj, hardware)) {
if (obj)
gst_object_unref (obj);
return NULL;
}
return obj;
}
mfxSession
gst_msdk_context_get_session (GstMsdkContext * context)
{
return context->priv->session;
}
gpointer
gst_msdk_context_get_handle (GstMsdkContext * context)
{
#ifndef _WIN32
return context->priv->dpy;
#else
return NULL;
#endif
}
gint
gst_msdk_context_get_fd (GstMsdkContext * context)
{
#ifndef _WIN32
return context->priv->fd;
#else
return -1;
#endif
}

89
sys/msdk/gstmsdkcontext.h Normal file
View file

@ -0,0 +1,89 @@
/* GStreamer Intel MSDK plugin
* Copyright (c) 2018, Intel Corporation
* Copyright (c) 2018, Igalia S.L.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GST_MSDK_CONTEXT_H
#define GST_MSDK_CONTEXT_H
#include "msdk.h"
#ifndef _WIN32
#include <va/va.h>
#endif
G_BEGIN_DECLS
#define GST_TYPE_MSDK_CONTEXT \
(gst_msdk_context_get_type ())
#define GST_MSDK_CONTEXT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_CONTEXT, \
GstMsdkContext))
#define GST_MSDK_CONTEXT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MSDK_CONTEXT, \
GstMsdkContextClass))
#define GST_IS_MSDK_CONTEXT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_CONTEXT))
#define GST_IS_MSDK_CONTEXT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MSDK_CONTEXT))
#define GST_MSDK_CONTEXT_CAST(obj) ((GstMsdkContext*)(obj))
typedef struct _GstMsdkContext GstMsdkContext;
typedef struct _GstMsdkContextClass GstMsdkContextClass;
typedef struct _GstMsdkContextPrivate GstMsdkContextPrivate;
/*
* GstMsdkContext:
*/
struct _GstMsdkContext
{
GstObject parent_instance;
GstMsdkContextPrivate *priv;
};
/*
* GstMsdkContextClass:
*/
struct _GstMsdkContextClass
{
GstObjectClass parent_class;
};
GType gst_msdk_context_get_type (void);
GstMsdkContext * gst_msdk_context_new (gboolean hardware);
mfxSession gst_msdk_context_get_session (GstMsdkContext * context);
gpointer gst_msdk_context_get_handle (GstMsdkContext * context);
gint gst_msdk_context_get_fd (GstMsdkContext * context);
G_END_DECLS
#endif /* GST_MSDK_CONTEXT_H */

28
sys/msdk/gstmsdkdec.c
View file

@ -190,7 +190,7 @@ gst_msdkdec_close_decoder (GstMsdkDec * thiz)
GST_DEBUG_OBJECT (thiz, "Closing decoder 0x%p", thiz->context);
status = MFXVideoDECODE_Close (msdk_context_get_session (thiz->context));
status = MFXVideoDECODE_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "Decoder close failed (%s)",
msdk_status_to_string (status));
@ -200,8 +200,8 @@ gst_msdkdec_close_decoder (GstMsdkDec * thiz)
g_array_set_size (thiz->surfaces, 0);
g_ptr_array_set_size (thiz->extra_params, 0);
msdk_close_context (thiz->context);
thiz->context = NULL;
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
memset (&thiz->param, 0, sizeof (thiz->param));
}
@ -224,7 +224,7 @@ gst_msdkdec_init_decoder (GstMsdkDec * thiz)
/* make sure that the decoder is closed */
gst_msdkdec_close_decoder (thiz);
thiz->context = msdk_open_context (thiz->hardware);
thiz->context = gst_msdk_context_new (thiz->hardware);
if (!thiz->context) {
GST_ERROR_OBJECT (thiz, "Context creation failed");
return FALSE;
@ -257,7 +257,7 @@ gst_msdkdec_init_decoder (GstMsdkDec * thiz)
thiz->param.NumExtParam = thiz->extra_params->len;
thiz->param.ExtParam = (mfxExtBuffer **) thiz->extra_params->pdata;
session = msdk_context_get_session (thiz->context);
session = gst_msdk_context_get_session (thiz->context);
/* validate parameters and allow the Media SDK to make adjustments */
status = MFXVideoDECODE_Query (session, &thiz->param, &thiz->param);
if (status < MFX_ERR_NONE) {
@ -324,7 +324,7 @@ gst_msdkdec_init_decoder (GstMsdkDec * thiz)
failed:
GST_OBJECT_UNLOCK (thiz);
msdk_close_context (thiz->context);
gst_object_replace ((GstObject **) & thiz->context, NULL);
thiz->context = NULL;
return FALSE;
}
@ -392,8 +392,8 @@ gst_msdkdec_finish_task (GstMsdkDec * thiz, MsdkDecTask * task)
if (G_LIKELY (task->sync_point)) {
status =
MFXVideoCORE_SyncOperation (msdk_context_get_session (thiz->context),
task->sync_point, 10000);
MFXVideoCORE_SyncOperation (gst_msdk_context_get_session
(thiz->context), task->sync_point, 10000);
if (status != MFX_ERR_NONE)
return GST_FLOW_ERROR;
frame = gst_video_decoder_get_oldest_frame (decoder);
@ -426,10 +426,10 @@ static gboolean
gst_msdkdec_close (GstVideoDecoder * decoder)
{
GstMsdkDec *thiz = GST_MSDKDEC (decoder);
if (thiz->context) {
msdk_close_context (thiz->context);
thiz->context = NULL;
}
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
return TRUE;
}
@ -493,7 +493,7 @@ gst_msdkdec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
bitstream.DataLength = map_info.size;
bitstream.MaxLength = map_info.size;
session = msdk_context_get_session (thiz->context);
session = gst_msdk_context_get_session (thiz->context);
for (;;) {
task = &g_array_index (thiz->tasks, MsdkDecTask, thiz->next_task);
flow = gst_msdkdec_finish_task (thiz, task);
@ -684,7 +684,7 @@ gst_msdkdec_drain (GstVideoDecoder * decoder)
if (!thiz->context)
return GST_FLOW_OK;
session = msdk_context_get_session (thiz->context);
session = gst_msdk_context_get_session (thiz->context);
for (;;) {
task = &g_array_index (thiz->tasks, MsdkDecTask, thiz->next_task);

3
sys/msdk/gstmsdkdec.h
View file

@ -35,6 +35,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include "msdk.h"
#include "gstmsdkcontext.h"
G_BEGIN_DECLS
@ -66,7 +67,7 @@ struct _GstMsdkDec
GstVideoInfo pool_info;
/* MFX context */
MsdkContext *context;
GstMsdkContext *context;
mfxVideoParam param;
GPtrArray *extra_params;
GArray *surfaces;

23
sys/msdk/gstmsdkenc.c
View file

@ -231,14 +231,14 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
/* make sure that the encoder is closed */
gst_msdkenc_close_encoder (thiz);
thiz->context = msdk_open_context (thiz->hardware);
thiz->context = gst_msdk_context_new (thiz->hardware);
if (!thiz->context) {
GST_ERROR_OBJECT (thiz, "Context creation failed");
return FALSE;
}
GST_OBJECT_LOCK (thiz);
session = msdk_context_get_session (thiz->context);
session = gst_msdk_context_get_session (thiz->context);
thiz->has_vpp = FALSE;
if (info->finfo->format != GST_VIDEO_FORMAT_NV12) {
@ -477,8 +477,8 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
no_vpp:
failed:
GST_OBJECT_UNLOCK (thiz);
msdk_close_context (thiz->context);
thiz->context = NULL;
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
return FALSE;
}
@ -493,7 +493,7 @@ gst_msdkenc_close_encoder (GstMsdkEnc * thiz)
GST_DEBUG_OBJECT (thiz, "Closing encoder 0x%p", thiz->context);
status = MFXVideoENCODE_Close (msdk_context_get_session (thiz->context));
status = MFXVideoENCODE_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "Encoder close failed (%s)",
msdk_status_to_string (status));
@ -513,7 +513,7 @@ gst_msdkenc_close_encoder (GstMsdkEnc * thiz)
/* Close VPP before freeing the surfaces. They are shared between encoder
* and VPP */
if (thiz->has_vpp) {
status = MFXVideoVPP_Close (msdk_context_get_session (thiz->context));
status = MFXVideoVPP_Close (gst_msdk_context_get_session (thiz->context));
if (status != MFX_ERR_NONE && status != MFX_ERR_NOT_INITIALIZED) {
GST_WARNING_OBJECT (thiz, "VPP close failed (%s)",
msdk_status_to_string (status));
@ -538,8 +538,9 @@ gst_msdkenc_close_encoder (GstMsdkEnc * thiz)
thiz->vpp_surfaces = NULL;
}
msdk_close_context (thiz->context);
thiz->context = NULL;
if (thiz->context)
gst_object_replace ((GstObject **) & thiz->context, NULL);
memset (&thiz->param, 0, sizeof (thiz->param));
thiz->num_extra_params = 0;
}
@ -663,7 +664,7 @@ gst_msdkenc_finish_frame (GstMsdkEnc * thiz, MsdkEncTask * task,
}
/* Wait for encoding operation to complete */
MFXVideoCORE_SyncOperation (msdk_context_get_session (thiz->context),
MFXVideoCORE_SyncOperation (gst_msdk_context_get_session (thiz->context),
task->sync_point, 10000);
if (!discard && task->output_bitstream.DataLength) {
GstBuffer *out_buf = NULL;
@ -706,7 +707,7 @@ gst_msdkenc_encode_frame (GstMsdkEnc * thiz, mfxFrameSurface1 * surface,
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (thiz), input_frame);
return GST_FLOW_NOT_NEGOTIATED;
}
session = msdk_context_get_session (thiz->context);
session = gst_msdk_context_get_session (thiz->context);
task = gst_msdkenc_get_free_task (thiz);
@ -895,7 +896,7 @@ gst_msdkenc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame)
surface->Data.TimeStamp = MFX_TIMESTAMP_UNKNOWN;
}
session = msdk_context_get_session (thiz->context);
session = gst_msdk_context_get_session (thiz->context);
for (;;) {
status =
MFXVideoVPP_RunFrameVPPAsync (session, vpp_surface, surface, NULL,

3
sys/msdk/gstmsdkenc.h
View file

@ -35,6 +35,7 @@
#include <gst/gst.h>
#include <gst/video/gstvideoencoder.h>
#include "msdk.h"
#include "gstmsdkcontext.h"
G_BEGIN_DECLS
@ -69,7 +70,7 @@ struct _GstMsdkEnc
GList *pending_frames;
/* MFX context */
MsdkContext *context;
GstMsdkContext *context;
mfxVideoParam param;
guint num_surfaces;
mfxFrameSurface1 *surfaces;

2
sys/msdk/gstmsdkh265dec.c
View file

@ -65,7 +65,7 @@ gst_msdkh265dec_configure (GstMsdkDec * decoder)
mfxStatus status;
const mfxPluginUID *uid;
session = msdk_context_get_session (decoder->context);
session = gst_msdk_context_get_session (decoder->context);
if (decoder->hardware)
uid = &MFX_PLUGINID_HEVCD_HW;

2
sys/msdk/gstmsdkh265enc.c
View file

@ -71,7 +71,7 @@ gst_msdkh265enc_configure (GstMsdkEnc * encoder)
mfxStatus status;
const mfxPluginUID *uid;
session = msdk_context_get_session (encoder->context);
session = gst_msdk_context_get_session (encoder->context);
if (encoder->hardware)
uid = &MFX_PLUGINID_HEVCE_HW;

2
sys/msdk/gstmsdkvp8dec.c
View file

@ -64,7 +64,7 @@ gst_msdkvp8dec_configure (GstMsdkDec * decoder)
mfxStatus status;
const mfxPluginUID *uid;
session = msdk_context_get_session (decoder->context);
session = gst_msdk_context_get_session (decoder->context);
uid = &MFX_PLUGINID_VP8D_HW;

2
sys/msdk/gstmsdkvp8enc.c
View file

@ -119,7 +119,7 @@ gst_msdkvp8enc_configure (GstMsdkEnc * encoder)
mfxStatus status;
if (encoder->hardware) {
session = msdk_context_get_session (encoder->context);
session = gst_msdk_context_get_session (encoder->context);
status = MFXVideoUSER_Load (session, &MFX_PLUGINID_VP8E_HW, 1);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (thiz, "Media SDK Plugin load failed (%s)",

1
sys/msdk/meson.build
View file

@ -1,5 +1,6 @@
msdk_sources = [
'gstmsdk.c',
'gstmsdkcontext.c',
'gstmsdkdec.c',
'gstmsdkenc.c',
'gstmsdkh264dec.c',

6
sys/msdk/msdk.h
View file

@ -49,17 +49,11 @@
G_BEGIN_DECLS
typedef struct _MsdkContext MsdkContext;
mfxSession msdk_open_session (gboolean hardware);
void msdk_close_session (mfxSession session);
gboolean msdk_is_available (void);
MsdkContext *msdk_open_context (gboolean hardware);
void msdk_close_context (MsdkContext * context);
mfxSession msdk_context_get_session (MsdkContext * context);
mfxFrameSurface1 *msdk_get_free_surface (mfxFrameSurface1 * surfaces,
guint size);
void msdk_frame_to_surface (GstVideoFrame * frame, mfxFrameSurface1 * surface);

18
sys/msdk/msdk_d3d.c
View file

@ -30,21 +30,3 @@
*/
#include "msdk.h"
MsdkContext *
msdk_open_context (gboolean hardware)
{
return (MsdkContext *) msdk_open_session (hardware);
}
void
msdk_close_context (MsdkContext * context)
{
msdk_close_session ((mfxSession) context);
}
mfxSession
msdk_context_get_session (MsdkContext * context)
{
return (mfxSession) context;
}

99
sys/msdk/msdk_libva.c
View file

@ -79,105 +79,6 @@ static const struct rt_map gst_msdk_rt_mfx_to_va[] = {
{0, 0}
};
struct _MsdkContext
{
mfxSession session;
gint fd;
VADisplay dpy;
};
static gboolean
msdk_use_vaapi_on_context (MsdkContext * context)
{
gint fd;
gint maj_ver, min_ver;
VADisplay va_dpy = NULL;
VAStatus va_status;
mfxStatus status;
/* maybe /dev/dri/renderD128 */
static const gchar *dri_path = "/dev/dri/card0";
fd = open (dri_path, O_RDWR);
if (fd < 0) {
GST_ERROR ("Couldn't open %s", dri_path);
return FALSE;
}
va_dpy = vaGetDisplayDRM (fd);
if (!va_dpy) {
GST_ERROR ("Couldn't get a VA DRM display");
goto failed;
}
va_status = vaInitialize (va_dpy, &maj_ver, &min_ver);
if (va_status != VA_STATUS_SUCCESS) {
GST_ERROR ("Couldn't initialize VA DRM display");
goto failed;
}
status = MFXVideoCORE_SetHandle (context->session, MFX_HANDLE_VA_DISPLAY,
(mfxHDL) va_dpy);
if (status != MFX_ERR_NONE) {
GST_ERROR ("Setting VAAPI handle failed (%s)",
msdk_status_to_string (status));
goto failed;
}
context->fd = fd;
context->dpy = va_dpy;
return TRUE;
failed:
if (va_dpy)
vaTerminate (va_dpy);
close (fd);
return FALSE;
}
MsdkContext *
msdk_open_context (gboolean hardware)
{
MsdkContext *context = g_slice_new0 (MsdkContext);
context->fd = -1;
context->session = msdk_open_session (hardware);
if (!context->session)
goto failed;
if (hardware) {
if (!msdk_use_vaapi_on_context (context))
goto failed;
}
return context;
failed:
msdk_close_session (context->session);
g_slice_free (MsdkContext, context);
return NULL;
}
void
msdk_close_context (MsdkContext * context)
{
if (!context)
return;
msdk_close_session (context->session);
if (context->dpy)
vaTerminate (context->dpy);
if (context->fd >= 0)
close (context->fd);
g_slice_free (MsdkContext, context);
}
mfxSession
msdk_context_get_session (MsdkContext * context)
{
return context->session;
}
mfxStatus
gst_msdk_get_mfx_status_from_va_status (VAStatus va_res)
{