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f7c1ac036d
Implement all the appending of frame size restrictions in caps, for encoders and decoders, in a new source file.
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* gstvaapiprofilecaps.h - VA config attributes as gstreamer capabilities
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*
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* Copyright (C) 2019 Igalia, S.L.
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* Author: Víctor Jáquez <vjaquez@igalia.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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/**
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* SECTION:gstvaapiprofilecaps
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* @short_description: VA config attributes as gstreamer capabilities
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*/
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#include "sysdeps.h"
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#include "gstvaapicompat.h"
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#include "gstvaapicontext.h"
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#include "gstvaapiprofilecaps.h"
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#include "gstvaapiutils.h"
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static gboolean
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init_context_info (GstVaapiDisplay * display, GstVaapiContextInfo * cip)
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{
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guint value = 0;
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/* XXX: Only try a context from he first RTFormat in config. */
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if (!gst_vaapi_get_config_attribute (display,
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gst_vaapi_profile_get_va_profile (cip->profile),
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gst_vaapi_entrypoint_get_va_entrypoint (cip->entrypoint),
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VAConfigAttribRTFormat, &value)) {
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return FALSE;
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}
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cip->chroma_type = to_GstVaapiChromaType (value);
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return cip->chroma_type != 0;
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}
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static GstVaapiContext *
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create_context (GstVaapiDisplay * display, GstVaapiContextInfo * cip)
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{
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if (!init_context_info (display, cip))
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return NULL;
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return gst_vaapi_context_new (display, cip);
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}
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static gboolean
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append_caps (GstVaapiContext * context, GstStructure * structure)
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{
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GstVaapiConfigSurfaceAttributes attribs = { 0, };
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if (!gst_vaapi_context_get_surface_attributes (context, &attribs))
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return FALSE;
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if (attribs.min_width >= attribs.max_width ||
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attribs.min_height >= attribs.max_height)
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return FALSE;
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gst_structure_set (structure, "width", GST_TYPE_INT_RANGE, attribs.min_width,
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attribs.max_width, "height", GST_TYPE_INT_RANGE, attribs.min_height,
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attribs.max_height, NULL);
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return TRUE;
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}
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/**
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* gst_vaapi_decoder_add_profile_caps:
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* @display: a #GstVaapiDisplay
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* @profile: a #GstVaapiProfile
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* @structure: a #GstStructure
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*
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* Extracts the config's surface attributes, from @profile, in an
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* decoder context, and transforms it into a caps formats and appended
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* into @structure.
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*
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* Returns: %TRUE if the capabilities could be extracted and appended
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* into @structure; otherwise %FALSE
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**/
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gboolean
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gst_vaapi_profile_caps_append_decoder (GstVaapiDisplay * display,
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GstVaapiProfile profile, GstStructure * structure)
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{
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GstVaapiContext *context;
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GstVaapiContextInfo cip = {
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GST_VAAPI_CONTEXT_USAGE_DECODE, profile, GST_VAAPI_ENTRYPOINT_VLD, 0,
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};
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gboolean ret;
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g_return_val_if_fail (display != NULL, FALSE);
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g_return_val_if_fail (structure != NULL, FALSE);
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context = create_context (display, &cip);
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if (!context)
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return FALSE;
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ret = append_caps (context, structure);
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gst_vaapi_object_unref (context);
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return ret;
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}
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gboolean
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gst_vaapi_profile_caps_append_encoder (GstVaapiDisplay * display,
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GstVaapiProfile profile, GstStructure * structure)
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{
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return TRUE;
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}
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