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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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21dd66b5e4
This commit tries to centralize the selection of vaCreateSurfaces version, instead of having fallbacks everywhere. These fallbacks are hacks, added because new drivers use the latest version of vaCreateSurfaces (with surface attributes) [1], meanwhile old drivers (or profiles as JPEG decoder in i965) might rather use the old version. In order to select which method, there's detected hack: each config context has a list of valid formats, in the case of JPEG decoder the list only contains "rare" 4:2:2 formats (ICM3, GRAY8) which aren't handled correctly by the current gstreamer-vaapi code [2]. The hack consist in identify if the format list contains an arbitrary preferred format (which is suposedly well supported by gstreamer-vaapi, mostly NV12). If no prefered colour format is found, the the old version of vaCreateSurfaces is used, and the surfaces wil be mapped into a image with their own color format. 1. https://bugzilla.gnome.org/show_bug.cgi?id=797143 2. https://bugzilla.gnome.org/show_bug.cgi?id=797222
172 lines
4.7 KiB
C
172 lines
4.7 KiB
C
/*
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* gstvaapicontext.h - VA context abstraction (private)
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_CONTEXT_H
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#define GST_VAAPI_CONTEXT_H
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#include "gstvaapiobject.h"
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#include "gstvaapiobject_priv.h"
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#include "gstvaapiprofile.h"
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#include "gstvaapidisplay.h"
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#include "gstvaapisurface.h"
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#include "gstvaapiutils_core.h"
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#include "gstvaapivideopool.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_CONTEXT(obj) \
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((GstVaapiContext *) (obj))
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typedef struct _GstVaapiConfigInfoEncoder GstVaapiConfigInfoEncoder;
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typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
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typedef struct _GstVaapiContext GstVaapiContext;
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/**
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* GstVaapiContextUsage:
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* @GST_VAAPI_CONTEXT_MODE_DECODE: context used for decoding.
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* @GST_VAAPI_CONTEXT_MODE_ENCODE: context used for encoding.
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* @GST_VAAPI_CONTEXT_MODE_VPP: context used for video processing.
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*
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* The set of supported VA context usages.
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*/
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typedef enum {
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GST_VAAPI_CONTEXT_USAGE_DECODE = 1,
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GST_VAAPI_CONTEXT_USAGE_ENCODE,
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GST_VAAPI_CONTEXT_USAGE_VPP,
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} GstVaapiContextUsage;
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/**
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* GstVaapiConfigInfoEncoder:
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* @rc_mode: rate-control mode (#GstVaapiRateControl).
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* @packed_headers: notify encoder that packed headers are submitted (mask).
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* @roi_capability: if encoder supports regions-of-interest.
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* @roi_num_supported: The number of regions-of-interest supported.
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*
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* Extra configuration for encoding.
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*/
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struct _GstVaapiConfigInfoEncoder
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{
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GstVaapiRateControl rc_mode;
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guint packed_headers;
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gboolean roi_capability;
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guint roi_num_supported;
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};
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/**
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* GstVaapiContextInfo:
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*
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* Structure holding VA context info like encoded size, decoder
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* profile and entry-point to use, and maximum number of reference
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* frames reported by the bitstream.
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*/
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struct _GstVaapiContextInfo
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{
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GstVaapiContextUsage usage;
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GstVaapiProfile profile;
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GstVaapiEntrypoint entrypoint;
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GstVaapiChromaType chroma_type;
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guint width;
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guint height;
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guint ref_frames;
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union _GstVaapiConfigInfo {
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GstVaapiConfigInfoEncoder encoder;
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} config;
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};
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/**
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* GstVaapiContext:
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*
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* A VA context wrapper.
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*/
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struct _GstVaapiContext
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{
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/*< private >*/
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volatile gint ref_count;
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GstVaapiDisplay *display;
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GstVaapiID object_id;
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/*< public >*/
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GstVaapiContextInfo info;
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VAProfile va_profile;
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VAEntrypoint va_entrypoint;
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VAConfigID va_config;
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GPtrArray *surfaces;
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GstVaapiVideoPool *surfaces_pool;
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gboolean reset_on_resize;
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GstVaapiConfigSurfaceAttributes *attribs;
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GstVideoFormat preferred_format;
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};
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#define GST_VAAPI_CONTEXT_ID(context) (((GstVaapiContext *)(context))->object_id)
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#define GST_VAAPI_CONTEXT_DISPLAY(context) (((GstVaapiContext *)(context))->display)
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G_GNUC_INTERNAL
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GstVaapiContext *
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gst_vaapi_context_new (GstVaapiDisplay * display,
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const GstVaapiContextInfo * cip);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_context_reset (GstVaapiContext * context,
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const GstVaapiContextInfo * new_cip);
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G_GNUC_INTERNAL
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GstVaapiID
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gst_vaapi_context_get_id (GstVaapiContext * context);
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G_GNUC_INTERNAL
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GstVaapiSurfaceProxy *
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gst_vaapi_context_get_surface_proxy (GstVaapiContext * context);
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G_GNUC_INTERNAL
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guint
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gst_vaapi_context_get_surface_count (GstVaapiContext * context);
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G_GNUC_INTERNAL
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void
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gst_vaapi_context_reset_on_resize (GstVaapiContext * context,
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gboolean reset_on_resize);
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G_GNUC_INTERNAL
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GArray *
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gst_vaapi_context_get_surface_formats (GstVaapiContext * context);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_context_get_surface_attributes (GstVaapiContext * context,
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GstVaapiConfigSurfaceAttributes * out_attribs);
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G_GNUC_INTERNAL
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GstVaapiContext *
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gst_vaapi_context_ref (GstVaapiContext * context);
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G_GNUC_INTERNAL
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void
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gst_vaapi_context_unref (GstVaapiContext * context);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaapiContext, gst_vaapi_context_unref)
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G_END_DECLS
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#endif /* GST_VAAPI_CONTEXT_H */
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