mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-05 07:56:35 +00:00
4573d3eefe
If we do not have functional VPP, then cropping and video direction is non-functional and we should avoid calling any of the gst_vaapi_filter* APIs.
786 lines
25 KiB
C
786 lines
25 KiB
C
/*
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* gstvaapipostprocutil.h - VA-API video post processing utilities
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*
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2005-2012 David Schleef <ds@schleef.org>
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* Copyright (C) 2016 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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* Author: Victor Jaquez <victorx.jaquez@intel.com>
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*
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* This program 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 program 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 program; 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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#include <gst/vaapi/gstvaapifilter.h>
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#include "gstvaapipostprocutil.h"
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#include "gstvaapipluginutil.h"
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#define GST_CAT_DEFAULT (GST_VAAPI_PLUGIN_BASE (postproc)->debug_category)
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/* if format property is set */
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static void
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_transform_format (GstVaapiPostproc * postproc, GstCapsFeatures * features,
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GstStructure * structure)
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{
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GValue value = G_VALUE_INIT;
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if (postproc->format == DEFAULT_FORMAT)
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return;
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if (!gst_caps_features_is_equal (features,
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GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY)
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&& !gst_caps_features_contains (features,
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GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE))
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return;
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if (!gst_vaapi_value_set_format (&value, postproc->format))
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return;
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gst_structure_set_value (structure, "format", &value);
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g_value_unset (&value);
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}
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static void
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_set_int (GValue * value, gint val)
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{
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g_value_init (value, G_TYPE_INT);
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g_value_set_int (value, val);
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}
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static void
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_set_int_range (GValue * value)
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{
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g_value_init (value, GST_TYPE_INT_RANGE);
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gst_value_set_int_range (value, 1, G_MAXINT);
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}
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static void
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_transform_frame_size (GstVaapiPostproc * postproc, GstStructure * structure)
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{
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GValue width = G_VALUE_INIT;
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GValue height = G_VALUE_INIT;
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if (postproc->width && postproc->height) {
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_set_int (&width, postproc->width);
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_set_int (&height, postproc->height);
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} else if (postproc->width) {
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_set_int (&width, postproc->width);
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_set_int_range (&height);
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} else if (postproc->height) {
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_set_int_range (&width);
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_set_int (&height, postproc->height);
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} else {
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_set_int_range (&width);
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_set_int_range (&height);
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}
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gst_structure_set_value (structure, "width", &width);
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gst_structure_set_value (structure, "height", &height);
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}
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/**
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* gst_vaapipostproc_transform_srccaps:
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* @postproc: a #GstVaapiPostproc instance
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*
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* Early apply transformation of the src pad caps according to the set
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* properties.
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*
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* Returns: A new allocated #GstCaps
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**/
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GstCaps *
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gst_vaapipostproc_transform_srccaps (GstVaapiPostproc * postproc)
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{
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GstCaps *out_caps;
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GstStructure *structure;
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GstCapsFeatures *features;
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gint i, n;
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out_caps = gst_caps_new_empty ();
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n = gst_caps_get_size (postproc->allowed_srcpad_caps);
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for (i = 0; i < n; i++) {
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structure = gst_caps_get_structure (postproc->allowed_srcpad_caps, i);
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features = gst_caps_get_features (postproc->allowed_srcpad_caps, i);
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/* make copy */
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structure = gst_structure_copy (structure);
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if (postproc->keep_aspect)
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gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1,
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1, NULL);
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_transform_format (postproc, features, structure);
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_transform_frame_size (postproc, structure);
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gst_caps_append_structure_full (out_caps, structure,
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gst_caps_features_copy (features));
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}
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return out_caps;
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}
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gboolean
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is_deinterlace_enabled (GstVaapiPostproc * postproc, GstVideoInfo * vip)
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{
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gboolean deinterlace;
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switch (postproc->deinterlace_mode) {
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case GST_VAAPI_DEINTERLACE_MODE_AUTO:
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deinterlace = GST_VIDEO_INFO_IS_INTERLACED (vip);
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break;
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case GST_VAAPI_DEINTERLACE_MODE_INTERLACED:
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deinterlace = TRUE;
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break;
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default:
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deinterlace = FALSE;
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break;
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}
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return deinterlace;
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}
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static gboolean
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_fixate_frame_size (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
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GstStructure * outs)
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{
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const GValue *to_par;
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GValue tpar = G_VALUE_INIT;
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gboolean ret;
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ret = TRUE;
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to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
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if (!to_par) {
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g_value_init (&tpar, GST_TYPE_FRACTION_RANGE);
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gst_value_set_fraction_range_full (&tpar, 1, G_MAXINT, G_MAXINT, 1);
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to_par = &tpar;
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}
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/* we have both PAR but they might not be fixated */
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{
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gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
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gint w = 0, h = 0;
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gint from_dar_n, from_dar_d;
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gint num, den;
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from_par_n = GST_VIDEO_INFO_PAR_N (vinfo);
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from_par_d = GST_VIDEO_INFO_PAR_D (vinfo);
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from_w = GST_VIDEO_INFO_WIDTH (vinfo);
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from_h = GST_VIDEO_INFO_HEIGHT (vinfo);
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if (postproc->has_vpp) {
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/* adjust for crop settings */
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from_w -= postproc->crop_left + postproc->crop_right;
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from_h -= postproc->crop_top + postproc->crop_bottom;
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/* compensate for rotation if needed */
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switch (gst_vaapi_filter_get_video_direction (postproc->filter)) {
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case GST_VIDEO_ORIENTATION_90R:
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case GST_VIDEO_ORIENTATION_90L:
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case GST_VIDEO_ORIENTATION_UL_LR:
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case GST_VIDEO_ORIENTATION_UR_LL:
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G_PRIMITIVE_SWAP (gint, from_w, from_h);
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G_PRIMITIVE_SWAP (gint, from_par_n, from_par_d);
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default:
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break;
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}
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}
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gst_structure_get_int (outs, "width", &w);
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gst_structure_get_int (outs, "height", &h);
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/* if both width and height are already fixed, we can't do anything
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* about it anymore */
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if (w && h) {
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guint n, d;
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GST_DEBUG_OBJECT (postproc,
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"dimensions already set to %dx%d, not fixating", w, h);
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if (!gst_value_is_fixed (to_par)) {
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if (gst_video_calculate_display_ratio (&n, &d, from_w, from_h,
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from_par_n, from_par_d, w, h)) {
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GST_DEBUG_OBJECT (postproc, "fixating to_par to %dx%d", n, d);
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if (gst_structure_has_field (outs, "pixel-aspect-ratio"))
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gst_structure_fixate_field_nearest_fraction (outs,
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"pixel-aspect-ratio", n, d);
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else if (n != d)
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gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
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n, d, NULL);
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}
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}
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goto done;
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}
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/* Calculate input DAR */
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if (!gst_util_fraction_multiply (from_w, from_h, from_par_n, from_par_d,
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&from_dar_n, &from_dar_d))
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goto overflow_error;
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GST_DEBUG_OBJECT (postproc, "Input DAR is %d/%d", from_dar_n, from_dar_d);
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/* If either width or height are fixed there's not much we
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* can do either except choosing a height or width and PAR
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* that matches the DAR as good as possible
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*/
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if (h) {
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GstStructure *tmp;
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gint set_w, set_par_n, set_par_d;
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GST_DEBUG_OBJECT (postproc, "height is fixed (%d)", h);
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/* If the PAR is fixed too, there's not much to do
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* except choosing the width that is nearest to the
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* width with the same DAR */
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if (gst_value_is_fixed (to_par)) {
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to_par_n = gst_value_get_fraction_numerator (to_par);
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to_par_d = gst_value_get_fraction_denominator (to_par);
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GST_DEBUG_OBJECT (postproc, "PAR is fixed %d/%d", to_par_n, to_par_d);
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if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
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to_par_n, &num, &den))
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goto overflow_error;
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w = (guint) gst_util_uint64_scale_int (h, num, den);
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gst_structure_fixate_field_nearest_int (outs, "width", w);
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goto done;
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}
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/* The PAR is not fixed and it's quite likely that we can set
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* an arbitrary PAR. */
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/* Check if we can keep the input width */
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tmp = gst_structure_copy (outs);
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gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
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gst_structure_get_int (tmp, "width", &set_w);
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/* Might have failed but try to keep the DAR nonetheless by
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* adjusting the PAR */
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if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, h, set_w,
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&to_par_n, &to_par_d)) {
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gst_structure_free (tmp);
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goto overflow_error;
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}
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if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
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gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
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gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
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to_par_n, to_par_d);
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gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
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&set_par_d);
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gst_structure_free (tmp);
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/* Check if the adjusted PAR is accepted */
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if (set_par_n == to_par_n && set_par_d == to_par_d) {
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if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
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set_par_n != set_par_d)
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gst_structure_set (outs, "width", G_TYPE_INT, set_w,
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"pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
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NULL);
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goto done;
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}
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/* Otherwise scale the width to the new PAR and check if the
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* adjusted with is accepted. If all that fails we can't keep
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* the DAR */
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if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
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set_par_n, &num, &den))
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goto overflow_error;
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w = (guint) gst_util_uint64_scale_int (h, num, den);
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gst_structure_fixate_field_nearest_int (outs, "width", w);
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if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
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set_par_n != set_par_d)
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gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
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set_par_n, set_par_d, NULL);
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goto done;
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} else if (w) {
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GstStructure *tmp;
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gint set_h, set_par_n, set_par_d;
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GST_DEBUG_OBJECT (postproc, "width is fixed (%d)", w);
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/* If the PAR is fixed too, there's not much to do
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* except choosing the height that is nearest to the
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* height with the same DAR */
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if (gst_value_is_fixed (to_par)) {
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to_par_n = gst_value_get_fraction_numerator (to_par);
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to_par_d = gst_value_get_fraction_denominator (to_par);
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GST_DEBUG_OBJECT (postproc, "PAR is fixed %d/%d", to_par_n, to_par_d);
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if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
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to_par_n, &num, &den))
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goto overflow_error;
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h = (guint) gst_util_uint64_scale_int (w, den, num);
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gst_structure_fixate_field_nearest_int (outs, "height", h);
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|
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goto done;
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}
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|
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/* The PAR is not fixed and it's quite likely that we can set
|
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* an arbitrary PAR. */
|
|
|
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/* Check if we can keep the input height */
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tmp = gst_structure_copy (outs);
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gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
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gst_structure_get_int (tmp, "height", &set_h);
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|
|
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/* Might have failed but try to keep the DAR nonetheless by
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* adjusting the PAR */
|
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if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, w,
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&to_par_n, &to_par_d)) {
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gst_structure_free (tmp);
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goto overflow_error;
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}
|
|
|
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if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
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gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
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gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
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to_par_n, to_par_d);
|
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gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
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&set_par_d);
|
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gst_structure_free (tmp);
|
|
|
|
/* Check if the adjusted PAR is accepted */
|
|
if (set_par_n == to_par_n && set_par_d == to_par_d) {
|
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if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
|
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set_par_n != set_par_d)
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|
gst_structure_set (outs, "height", G_TYPE_INT, set_h,
|
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"pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
|
|
NULL);
|
|
goto done;
|
|
}
|
|
|
|
/* Otherwise scale the height to the new PAR and check if the
|
|
* adjusted with is accepted. If all that fails we can't keep
|
|
* the DAR */
|
|
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
|
|
set_par_n, &num, &den))
|
|
goto overflow_error;
|
|
|
|
h = (guint) gst_util_uint64_scale_int (w, den, num);
|
|
gst_structure_fixate_field_nearest_int (outs, "height", h);
|
|
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
|
|
set_par_n != set_par_d)
|
|
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
|
|
set_par_n, set_par_d, NULL);
|
|
|
|
goto done;
|
|
} else if (gst_value_is_fixed (to_par)) {
|
|
GstStructure *tmp;
|
|
gint set_h, set_w, f_h, f_w;
|
|
|
|
to_par_n = gst_value_get_fraction_numerator (to_par);
|
|
to_par_d = gst_value_get_fraction_denominator (to_par);
|
|
|
|
/* Calculate scale factor for the PAR change */
|
|
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_n,
|
|
to_par_d, &num, &den))
|
|
goto overflow_error;
|
|
|
|
/* Try to keep the input height (because of interlacing) */
|
|
tmp = gst_structure_copy (outs);
|
|
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
|
|
gst_structure_get_int (tmp, "height", &set_h);
|
|
|
|
/* This might have failed but try to scale the width
|
|
* to keep the DAR nonetheless */
|
|
w = (guint) gst_util_uint64_scale_int (set_h, num, den);
|
|
gst_structure_fixate_field_nearest_int (tmp, "width", w);
|
|
gst_structure_get_int (tmp, "width", &set_w);
|
|
gst_structure_free (tmp);
|
|
|
|
/* We kept the DAR and the height is nearest to the original height */
|
|
if (set_w == w) {
|
|
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
|
|
G_TYPE_INT, set_h, NULL);
|
|
goto done;
|
|
}
|
|
|
|
f_h = set_h;
|
|
f_w = set_w;
|
|
|
|
/* If the former failed, try to keep the input width at least */
|
|
tmp = gst_structure_copy (outs);
|
|
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
|
|
gst_structure_get_int (tmp, "width", &set_w);
|
|
|
|
/* This might have failed but try to scale the width
|
|
* to keep the DAR nonetheless */
|
|
h = (guint) gst_util_uint64_scale_int (set_w, den, num);
|
|
gst_structure_fixate_field_nearest_int (tmp, "height", h);
|
|
gst_structure_get_int (tmp, "height", &set_h);
|
|
gst_structure_free (tmp);
|
|
|
|
/* We kept the DAR and the width is nearest to the original width */
|
|
if (set_h == h) {
|
|
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
|
|
G_TYPE_INT, set_h, NULL);
|
|
goto done;
|
|
}
|
|
|
|
/* If all this failed, keep the height that was nearest to the orignal
|
|
* height and the nearest possible width. This changes the DAR but
|
|
* there's not much else to do here.
|
|
*/
|
|
gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT,
|
|
f_h, NULL);
|
|
goto done;
|
|
} else {
|
|
GstStructure *tmp;
|
|
gint set_h, set_w, set_par_n, set_par_d, tmp2;
|
|
|
|
/* width, height and PAR are not fixed but passthrough is not possible */
|
|
|
|
/* First try to keep the height and width as good as possible
|
|
* and scale PAR */
|
|
tmp = gst_structure_copy (outs);
|
|
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
|
|
gst_structure_get_int (tmp, "height", &set_h);
|
|
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
|
|
gst_structure_get_int (tmp, "width", &set_w);
|
|
|
|
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, set_w,
|
|
&to_par_n, &to_par_d)) {
|
|
gst_structure_free (tmp);
|
|
goto overflow_error;
|
|
}
|
|
|
|
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
|
|
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
|
|
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
|
|
to_par_n, to_par_d);
|
|
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
|
|
&set_par_d);
|
|
gst_structure_free (tmp);
|
|
|
|
if (set_par_n == to_par_n && set_par_d == to_par_d) {
|
|
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
|
|
G_TYPE_INT, set_h, NULL);
|
|
|
|
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
|
|
set_par_n != set_par_d)
|
|
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
|
|
set_par_n, set_par_d, NULL);
|
|
goto done;
|
|
}
|
|
|
|
/* Otherwise try to scale width to keep the DAR with the set
|
|
* PAR and height */
|
|
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
|
|
set_par_n, &num, &den))
|
|
goto overflow_error;
|
|
|
|
w = (guint) gst_util_uint64_scale_int (set_h, num, den);
|
|
tmp = gst_structure_copy (outs);
|
|
gst_structure_fixate_field_nearest_int (tmp, "width", w);
|
|
gst_structure_get_int (tmp, "width", &tmp2);
|
|
gst_structure_free (tmp);
|
|
|
|
if (tmp2 == w) {
|
|
gst_structure_set (outs, "width", G_TYPE_INT, tmp2, "height",
|
|
G_TYPE_INT, set_h, NULL);
|
|
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
|
|
set_par_n != set_par_d)
|
|
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
|
|
set_par_n, set_par_d, NULL);
|
|
goto done;
|
|
}
|
|
|
|
/* ... or try the same with the height */
|
|
h = (guint) gst_util_uint64_scale_int (set_w, den, num);
|
|
tmp = gst_structure_copy (outs);
|
|
gst_structure_fixate_field_nearest_int (tmp, "height", h);
|
|
gst_structure_get_int (tmp, "height", &tmp2);
|
|
gst_structure_free (tmp);
|
|
|
|
if (tmp2 == h) {
|
|
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
|
|
G_TYPE_INT, tmp2, NULL);
|
|
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
|
|
set_par_n != set_par_d)
|
|
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
|
|
set_par_n, set_par_d, NULL);
|
|
goto done;
|
|
}
|
|
|
|
/* If all fails we can't keep the DAR and take the nearest values
|
|
* for everything from the first try */
|
|
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
|
|
G_TYPE_INT, set_h, NULL);
|
|
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
|
|
set_par_n != set_par_d)
|
|
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
|
|
set_par_n, set_par_d, NULL);
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (to_par == &tpar)
|
|
g_value_unset (&tpar);
|
|
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
overflow_error:
|
|
{
|
|
ret = FALSE;
|
|
GST_ELEMENT_ERROR (postproc, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output scaled size - integer overflow"));
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
_fixate_frame_rate (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
|
|
GstStructure * outs)
|
|
{
|
|
gint fps_n, fps_d;
|
|
|
|
fps_n = GST_VIDEO_INFO_FPS_N (vinfo);
|
|
fps_d = GST_VIDEO_INFO_FPS_D (vinfo);
|
|
if (is_deinterlace_enabled (postproc, vinfo)) {
|
|
if (!gst_util_fraction_multiply (fps_n, fps_d, 2, 1, &fps_n, &fps_d))
|
|
goto overflow_error;
|
|
}
|
|
gst_structure_set (outs, "framerate", GST_TYPE_FRACTION, fps_n, fps_d, NULL);
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
overflow_error:
|
|
{
|
|
GST_ELEMENT_ERROR (postproc, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output framerate - integer overflow"));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
_set_multiview_mode (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
|
|
GstStructure * outs)
|
|
{
|
|
const gchar *caps_str;
|
|
|
|
caps_str =
|
|
gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
|
|
(vinfo));
|
|
if (!caps_str)
|
|
return TRUE;
|
|
|
|
gst_structure_set (outs, "multiview-mode", G_TYPE_STRING, caps_str,
|
|
"multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
|
|
GST_VIDEO_INFO_MULTIVIEW_FLAGS (vinfo), GST_FLAG_SET_MASK_EXACT, NULL);
|
|
|
|
if (GST_VIDEO_INFO_VIEWS (vinfo) > 1) {
|
|
gst_structure_set (outs, "views", G_TYPE_INT, GST_VIDEO_INFO_VIEWS (vinfo),
|
|
NULL);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
_set_colorimetry (GstVaapiPostproc * postproc, GstVideoInfo * sinkinfo,
|
|
GstVideoFormat format, GstStructure * outs)
|
|
{
|
|
GstVideoInfo vinfo;
|
|
GstVideoColorimetry colorimetry;
|
|
gchar *color;
|
|
gint width, height;
|
|
|
|
if (!gst_structure_get_int (outs, "width", &width)
|
|
|| !gst_structure_get_int (outs, "height", &height))
|
|
return FALSE;
|
|
|
|
/* Use the sink resolution and the src format to correctly determine the
|
|
* default src colorimetry. */
|
|
gst_video_info_set_format (&vinfo, format, GST_VIDEO_INFO_WIDTH (sinkinfo),
|
|
GST_VIDEO_INFO_HEIGHT (sinkinfo));
|
|
|
|
if (GST_VIDEO_INFO_CHROMA_SITE (&vinfo) != GST_VIDEO_CHROMA_SITE_UNKNOWN) {
|
|
gst_structure_set (outs, "chroma-site", G_TYPE_STRING,
|
|
gst_video_chroma_to_string (GST_VIDEO_INFO_CHROMA_SITE (&vinfo)), NULL);
|
|
}
|
|
|
|
/* if outs structure already specifies colorimetry, use it */
|
|
if (gst_structure_has_field (outs, "colorimetry"))
|
|
return TRUE;
|
|
|
|
/* make sure we set the RGB matrix for RGB formats */
|
|
colorimetry = GST_VIDEO_INFO_COLORIMETRY (&vinfo);
|
|
if (GST_VIDEO_FORMAT_INFO_IS_RGB (vinfo.finfo) &&
|
|
colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
|
|
GST_WARNING ("invalid matrix %d for RGB format, using RGB",
|
|
colorimetry.matrix);
|
|
colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
|
|
}
|
|
|
|
if ((color = gst_video_colorimetry_to_string (&colorimetry))) {
|
|
gst_structure_set (outs, "colorimetry", G_TYPE_STRING, color, NULL);
|
|
g_free (color);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
_set_interlace_mode (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
|
|
GstStructure * outs)
|
|
{
|
|
const gchar *interlace_mode = NULL;
|
|
|
|
if (is_deinterlace_enabled (postproc, vinfo)) {
|
|
interlace_mode = "progressive";
|
|
} else {
|
|
interlace_mode =
|
|
gst_video_interlace_mode_to_string (GST_VIDEO_INFO_INTERLACE_MODE
|
|
(vinfo));
|
|
}
|
|
|
|
if (!interlace_mode)
|
|
return FALSE;
|
|
|
|
gst_structure_set (outs, "interlace-mode", G_TYPE_STRING, interlace_mode,
|
|
NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
_set_preferred_format (GstStructure * outs, GstVideoFormat format)
|
|
{
|
|
GValue value = G_VALUE_INIT;
|
|
|
|
if (format == GST_VIDEO_FORMAT_UNKNOWN || format == GST_VIDEO_FORMAT_ENCODED)
|
|
return FALSE;
|
|
|
|
if (!gst_vaapi_value_set_format (&value, format))
|
|
return FALSE;
|
|
gst_structure_set_value (outs, "format", &value);
|
|
g_value_unset (&value);
|
|
return TRUE;
|
|
}
|
|
|
|
static GstCaps *
|
|
_get_preferred_caps (GstVaapiPostproc * postproc, GstVideoInfo * vinfo,
|
|
GstCaps * srccaps)
|
|
{
|
|
GstPad *srcpad;
|
|
GstVideoFormat format;
|
|
GstVaapiCapsFeature f;
|
|
const gchar *feature;
|
|
GstStructure *structure;
|
|
GstCapsFeatures *features;
|
|
GstCaps *outcaps;
|
|
gint i, n;
|
|
|
|
format = GST_VIDEO_FORMAT_UNKNOWN;
|
|
srcpad = GST_BASE_TRANSFORM_SRC_PAD (postproc);
|
|
f = gst_vaapi_find_preferred_caps_feature (srcpad, srccaps, &format);
|
|
if (f == GST_VAAPI_CAPS_FEATURE_NOT_NEGOTIATED)
|
|
return NULL;
|
|
|
|
feature = gst_vaapi_caps_feature_to_string (f);
|
|
if (!feature)
|
|
feature = GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY;
|
|
|
|
n = gst_caps_get_size (srccaps);
|
|
for (i = 0; i < n; i++) {
|
|
structure = gst_caps_get_structure (srccaps, i);
|
|
features = gst_caps_get_features (srccaps, i);
|
|
|
|
if (!gst_caps_features_is_any (features)
|
|
&& gst_caps_features_contains (features, feature))
|
|
break;
|
|
}
|
|
|
|
if (i >= n)
|
|
goto invalid_caps;
|
|
|
|
/* make copy */
|
|
structure = gst_structure_copy (structure);
|
|
|
|
if (!_set_preferred_format (structure, format))
|
|
goto fixate_failed;
|
|
if (!_fixate_frame_size (postproc, vinfo, structure))
|
|
goto fixate_failed;
|
|
if (!_fixate_frame_rate (postproc, vinfo, structure))
|
|
goto fixate_failed;
|
|
_set_multiview_mode (postproc, vinfo, structure);
|
|
|
|
if (!_set_colorimetry (postproc, vinfo, format, structure))
|
|
goto fixate_failed;
|
|
|
|
if (!_set_interlace_mode (postproc, vinfo, structure))
|
|
goto interlace_mode_failed;
|
|
|
|
outcaps = gst_caps_new_empty ();
|
|
gst_caps_append_structure_full (outcaps, structure,
|
|
gst_caps_features_copy (features));
|
|
|
|
/* we don't need to do format conversion if GL_TEXTURE_UPLOAD_META
|
|
* is negotiated */
|
|
if (f == GST_VAAPI_CAPS_FEATURE_GL_TEXTURE_UPLOAD_META) {
|
|
postproc->format = DEFAULT_FORMAT;
|
|
} else if (postproc->format != format) {
|
|
postproc->format = format;
|
|
}
|
|
|
|
return gst_caps_fixate (outcaps);
|
|
|
|
/* ERRORS */
|
|
fixate_failed:
|
|
{
|
|
GST_WARNING_OBJECT (postproc, "Could not fixate src caps");
|
|
gst_structure_free (structure);
|
|
return NULL;
|
|
}
|
|
invalid_caps:
|
|
{
|
|
GST_WARNING_OBJECT (postproc, "No valid src caps found");
|
|
return NULL;
|
|
}
|
|
interlace_mode_failed:
|
|
{
|
|
GST_WARNING_OBJECT (postproc, "Invalid sink caps interlace mode");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_vaapipostproc_fixate_srccaps:
|
|
* @postproc: a #GstVaapiPostproc instance
|
|
* @sinkcaps: fixed #GstCaps from sink pad
|
|
* @srccaps: #GstCaps from src pad to fixate
|
|
*
|
|
* Given @srccaps and @sinkcaps returns a new allocated #GstCaps with
|
|
* the fixated caps for the src pad.
|
|
*
|
|
* Returns: A new allocated #GstCaps
|
|
**/
|
|
GstCaps *
|
|
gst_vaapipostproc_fixate_srccaps (GstVaapiPostproc * postproc,
|
|
GstCaps * sinkcaps, GstCaps * srccaps)
|
|
{
|
|
GstVideoInfo vi;
|
|
|
|
if (!gst_video_info_from_caps (&vi, sinkcaps))
|
|
return NULL;
|
|
return _get_preferred_caps (postproc, &vi, srccaps);
|
|
}
|