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778 lines
25 KiB
C
778 lines
25 KiB
C
/*
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* gstmsdkvpputil.c - MediaSDK 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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* Copyright (C) 2018 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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* Author: Sreerenj Balachandran <sreerenj.balachandran@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 "gstmsdkvpputil.h"
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#include "msdk-enums.h"
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#include "gstmsdkcaps.h"
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#ifndef _WIN32
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#include <drm_fourcc.h>
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#include <gst/va/gstvavideoformat.h>
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#else
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#include <gst/d3d11/gstd3d11.h>
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#endif
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#define SWAP_GINT(a, b) do { \
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const gint t = a; a = b; b = t; \
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} while (0)
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gboolean
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gst_msdkvpp_is_deinterlace_enabled (GstMsdkVPP * msdkvpp, GstVideoInfo * vip)
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{
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gboolean deinterlace;
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switch (msdkvpp->deinterlace_mode) {
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case GST_MSDKVPP_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_MSDKVPP_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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/* This help function is to fixate output format for vpp src caps,
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* when downstream element does not set a specific format, i.e. queried
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* caps contains a list of formats, vpp src caps will loop the format
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* list and find one format that matches the vpp sink caps format (in vinfo);
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* if downstream has set a specific format, we use this format for vpp src caps.
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*/
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static GstCaps *
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fixate_output_format (GstMsdkVPP * thiz, GstVideoInfo * vinfo, GstCaps * caps)
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{
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GstVideoFormat fmt = GST_VIDEO_FORMAT_UNKNOWN;
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guint i, size, fixated_idx = 0;
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GstStructure *s, *out = NULL;
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GstCapsFeatures *features;
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GstCaps *ret;
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const GValue *format;
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gboolean is_va = FALSE, is_dma = FALSE, is_d3d = FALSE;
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gboolean fixate = FALSE;
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#ifndef _WIN32
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guint64 modifier = DRM_FORMAT_MOD_INVALID;
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guint32 fourcc;
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#endif
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if (!caps)
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return NULL;
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size = gst_caps_get_size (caps);
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for (i = 0; i < size; i++) {
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s = gst_caps_get_structure (caps, i);
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features = gst_caps_get_features (caps, i);
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is_va = is_dma = is_d3d = FALSE;
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if (gst_caps_features_contains (features, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
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format = gst_structure_get_value (s, "drm-format");
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is_dma = TRUE;
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} else {
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format = gst_structure_get_value (s, "format");
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#ifndef _WIN32
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if (gst_caps_features_contains (features, GST_CAPS_FEATURE_MEMORY_VA))
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is_va = TRUE;
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#else
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if (gst_caps_features_contains (features,
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GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY))
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is_d3d = TRUE;
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#endif
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}
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if (format == NULL)
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continue;
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if (GST_VALUE_HOLDS_LIST (format)) {
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gint j, len;
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len = gst_value_list_get_size (format);
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GST_DEBUG_OBJECT (thiz, "have %d formats", len);
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for (j = 0; j < len; j++) {
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const GValue *val;
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val = gst_value_list_get_value (format, j);
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if (G_VALUE_HOLDS_STRING (val)) {
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#ifndef _WIN32
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if (is_dma) {
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fourcc = gst_video_dma_drm_fourcc_from_string
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(g_value_get_string (val), &modifier);
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fmt = gst_va_video_format_from_drm_fourcc (fourcc);
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} else {
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fmt = gst_video_format_from_string (g_value_get_string (val));
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}
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#else
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fmt = gst_video_format_from_string (g_value_get_string (val));
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#endif
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if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
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continue;
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if (fmt == GST_VIDEO_INFO_FORMAT (vinfo)) {
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fixate = TRUE;
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fixated_idx = i;
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break;
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}
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}
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}
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} else if (G_VALUE_HOLDS_STRING (format)) {
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#ifndef _WIN32
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if (is_dma) {
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fourcc = gst_video_dma_drm_fourcc_from_string
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(g_value_get_string (format), &modifier);
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fmt = gst_va_video_format_from_drm_fourcc (fourcc);
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} else {
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fmt = gst_video_format_from_string (g_value_get_string (format));
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}
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#else
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fmt = gst_video_format_from_string (g_value_get_string (format));
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#endif
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if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
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continue;
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/* size > 1 means downstream doesn't specify the caps directly, so we
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* still need to compare fmt with the one in vpp sinkcaps */
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if (size > 1 && fmt != GST_VIDEO_INFO_FORMAT (vinfo))
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continue;
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fixate = TRUE;
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break;
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}
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if (fixate)
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break;
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}
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if (!fixate)
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fmt = GST_VIDEO_FORMAT_NV12;
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out = gst_structure_copy (gst_caps_get_structure (caps, fixated_idx));
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features = gst_caps_features_copy (gst_caps_get_features (caps, fixated_idx));
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#ifndef _WIN32
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if (is_dma) {
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gchar *drm_fmt_name;
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g_assert (modifier != DRM_FORMAT_MOD_INVALID);
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drm_fmt_name = gst_video_dma_drm_fourcc_to_string
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(gst_va_drm_fourcc_from_video_format (fmt), modifier);
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gst_structure_set (out, "drm-format", G_TYPE_STRING, drm_fmt_name, NULL);
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g_free (drm_fmt_name);
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} else {
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gst_structure_set (out, "format", G_TYPE_STRING,
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gst_video_format_to_string (fmt), NULL);
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}
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#else
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gst_structure_set (out, "format", G_TYPE_STRING,
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gst_video_format_to_string (fmt), NULL);
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#endif
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ret = gst_caps_new_full (out, NULL);
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gst_caps_set_features_simple (ret, features);
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#ifndef _WIN32
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if (is_va)
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gst_caps_set_features (ret, 0,
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gst_caps_features_new_single_static_str (GST_CAPS_FEATURE_MEMORY_VA));
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#else
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if (is_d3d)
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gst_caps_set_features (ret, 0,
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gst_caps_features_new_single_static_str
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(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY));
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#endif
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else if (is_dma)
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gst_caps_set_features (ret, 0,
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gst_caps_features_new_single_static_str
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(GST_CAPS_FEATURE_MEMORY_DMABUF));
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return ret;
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}
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static gboolean
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fixate_output_frame_size (GstMsdkVPP * thiz, 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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/* adjust for crop settings (NOTE: msdk min frame size is 2x2) */
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if ((thiz->crop_left + thiz->crop_right >= from_w - 1)
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|| (thiz->crop_top + thiz->crop_bottom >= from_h - 1)) {
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GST_WARNING_OBJECT (thiz, "ignoring crop... cropping too much!");
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} else {
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from_w -= thiz->crop_left + thiz->crop_right;
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from_h -= thiz->crop_top + thiz->crop_bottom;
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}
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/* compensate for rotation if needed */
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if (thiz->rotation == 90 || thiz->rotation == 270) {
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SWAP_GINT (from_w, from_h);
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SWAP_GINT (from_par_n, from_par_d);
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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 (thiz,
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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 (thiz, "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 (thiz, "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 (thiz, "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 (thiz, "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 (thiz, "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 (thiz, "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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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 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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/* 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);
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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, "height", G_TYPE_INT, set_h,
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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 height 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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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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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 (gst_value_is_fixed (to_par)) {
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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 original
|
|
* 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 (thiz, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output scaled size - integer overflow"));
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
fixate_frame_rate (GstMsdkVPP * thiz, GstVideoInfo * vinfo, GstStructure * outs)
|
|
{
|
|
gint fps_n = 0, fps_d;
|
|
|
|
/* fixate the srcpad fps */
|
|
if (gst_structure_fixate_field (outs, "framerate"))
|
|
gst_structure_get (outs, "framerate", GST_TYPE_FRACTION, &fps_n, &fps_d,
|
|
NULL);
|
|
|
|
/* if we don't have a fixed non-zero fps_n, use the sinkpad fps */
|
|
if (!fps_n) {
|
|
fps_n = GST_VIDEO_INFO_FPS_N (vinfo);
|
|
fps_d = GST_VIDEO_INFO_FPS_D (vinfo);
|
|
}
|
|
|
|
if (gst_msdkvpp_is_deinterlace_enabled (thiz, vinfo)) {
|
|
/* Fixme: set double framerate?:
|
|
* msdk is not outputting double framerate for bob or adv deinterlace */
|
|
if (!gst_util_fraction_multiply (fps_n, fps_d, 1, 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 (thiz, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output framerate - integer overflow"));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
set_multiview_mode (GstMsdkVPP * thiz, 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_interlace_mode (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
|
|
GstStructure * outs)
|
|
{
|
|
const gchar *interlace_mode = NULL;
|
|
|
|
if (gst_msdkvpp_is_deinterlace_enabled (thiz, 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 GstCaps *
|
|
_get_preferred_src_caps (GstMsdkVPP * thiz, GstVideoInfo * vinfo,
|
|
GstCaps * srccaps)
|
|
{
|
|
GstStructure *structure = NULL;
|
|
GstCaps *outcaps, *fixate_caps;
|
|
GstCapsFeatures *features;
|
|
gchar *colorimetry = NULL;
|
|
|
|
/* Fixate the format */
|
|
fixate_caps = fixate_output_format (thiz, vinfo, srccaps);
|
|
if (!fixate_caps)
|
|
goto fixate_failed;
|
|
|
|
structure = gst_caps_get_structure (fixate_caps, 0);
|
|
features = gst_caps_get_features (fixate_caps, 0);
|
|
/* make a copy */
|
|
structure = gst_structure_copy (structure);
|
|
features = gst_caps_features_copy (features);
|
|
|
|
gst_caps_unref (fixate_caps);
|
|
|
|
if (thiz->keep_aspect)
|
|
gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1,
|
|
1, NULL);
|
|
|
|
/* Fixate the frame size */
|
|
if (!fixate_output_frame_size (thiz, vinfo, structure))
|
|
goto fixate_failed;
|
|
|
|
/* Fixate the framerate */
|
|
if (!fixate_frame_rate (thiz, vinfo, structure))
|
|
goto fixate_failed;
|
|
|
|
/* set multiview mode based on input caps */
|
|
if (!set_multiview_mode (thiz, vinfo, structure))
|
|
goto fixate_failed;
|
|
|
|
/* set colorimetry based on input info */
|
|
if ((colorimetry = gst_video_colorimetry_to_string (&vinfo->colorimetry))) {
|
|
gst_structure_set (structure, "colorimetry", G_TYPE_STRING, colorimetry,
|
|
NULL);
|
|
g_free (colorimetry);
|
|
}
|
|
|
|
/* set interlace mode */
|
|
if (!set_interlace_mode (thiz, vinfo, structure))
|
|
goto interlace_mode_failed;
|
|
|
|
outcaps = gst_caps_new_empty ();
|
|
gst_caps_append_structure (outcaps, structure);
|
|
gst_caps_set_features (outcaps, 0, features);
|
|
|
|
return outcaps;
|
|
|
|
/* ERRORS */
|
|
fixate_failed:
|
|
{
|
|
GST_WARNING_OBJECT (thiz, "Could not fixate src caps");
|
|
if (structure)
|
|
gst_structure_free (structure);
|
|
return NULL;
|
|
}
|
|
interlace_mode_failed:
|
|
{
|
|
GST_WARNING_OBJECT (thiz, "Invalid sink caps interlace mode");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_msdkvpp_fixate_srccaps:
|
|
* @vpp: a #GstMsdkVPP 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_msdkvpp_fixate_srccaps (GstMsdkVPP * msdkvpp,
|
|
GstCaps * sinkcaps, GstCaps * srccaps)
|
|
{
|
|
GstVideoInfo vi;
|
|
|
|
if (!gst_msdkcaps_video_info_from_caps (sinkcaps, &vi, NULL))
|
|
return FALSE;
|
|
|
|
return _get_preferred_src_caps (msdkvpp, &vi, srccaps);
|
|
}
|