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c60312c78f
Query the GstVaapiDisplay to know if the driver supports video postprocessing. If does, then register vaapipostproc and vaapidecodebin elements. This patch will simplify the design of vaapidecodebin. https://bugzilla.gnome.org/show_bug.cgi?id=724352
150 lines
4.4 KiB
C
150 lines
4.4 KiB
C
/*
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* gstvaapi.c - VA-API element registration
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*
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* Copyright (C) 2011-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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* Copyright (C) 2011 Collabora Ltd.
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* Author: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
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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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#include "gstcompat.h"
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#include "gstvaapidecode.h"
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#include "gstvaapipostproc.h"
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#include "gstvaapisink.h"
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#include "gstvaapidecodebin.h"
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#if USE_ENCODERS
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#include "gstvaapiencode_h264.h"
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#include "gstvaapiencode_mpeg2.h"
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#if USE_JPEG_ENCODER
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#include "gstvaapiencode_jpeg.h"
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#endif
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#if USE_VP8_ENCODER
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#include "gstvaapiencode_vp8.h"
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#endif
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#if USE_H265_ENCODER
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#include "gstvaapiencode_h265.h"
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#endif
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#if USE_VP9_ENCODER
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#include "gstvaapiencode_vp9.h"
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#endif
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#endif
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#define PLUGIN_NAME "vaapi"
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#define PLUGIN_DESC "VA-API based elements"
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#define PLUGIN_LICENSE "LGPL"
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static void
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plugin_add_dependencies (GstPlugin * plugin)
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{
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const gchar *envvars[] = { "GST_VAAPI_ALL_DRIVERS", "LIBVA_DRIVER_NAME",
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NULL
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};
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const gchar *kernel_paths[] = { "/dev/dri", NULL };
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const gchar *kernel_names[] = { "card", "render" };
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/* features get updated upon changes in /dev/dri/card* */
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gst_plugin_add_dependency (plugin, NULL, kernel_paths, kernel_names,
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GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX);
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/* features get updated upon changes in VA environment variables */
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gst_plugin_add_dependency (plugin, envvars, NULL, NULL,
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GST_PLUGIN_DEPENDENCY_FLAG_NONE);
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/* features get updated upon changes in default VA drivers
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* directory */
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gst_plugin_add_dependency_simple (plugin, "LIBVA_DRIVERS_PATH",
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VA_DRIVERS_PATH, "_drv_video.so",
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GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_SUFFIX |
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GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_DEFAULT_ONLY);
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GstVaapiDisplay *display;
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plugin_add_dependencies (plugin);
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display = gst_vaapi_create_test_display ();
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if (!display)
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goto error_no_display;
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if (!gst_vaapi_driver_is_whitelisted (display))
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goto unsupported_driver;
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gst_vaapidecode_register (plugin);
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if (gst_vaapi_display_has_video_processing (display)) {
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gst_element_register (plugin, "vaapipostproc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIPOSTPROC);
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gst_element_register (plugin, "vaapidecodebin",
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GST_RANK_PRIMARY + 2, GST_TYPE_VAAPI_DECODE_BIN);
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}
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gst_element_register (plugin, "vaapisink",
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GST_RANK_PRIMARY, GST_TYPE_VAAPISINK);
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#if USE_ENCODERS
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gst_element_register (plugin, "vaapih264enc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIENCODE_H264);
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gst_element_register (plugin, "vaapimpeg2enc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIENCODE_MPEG2);
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#if USE_JPEG_ENCODER
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gst_element_register (plugin, "vaapijpegenc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIENCODE_JPEG);
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#endif
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#if USE_VP8_ENCODER
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gst_element_register (plugin, "vaapivp8enc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIENCODE_VP8);
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#endif
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#if USE_H265_ENCODER
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gst_element_register (plugin, "vaapih265enc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIENCODE_H265);
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#endif
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#if USE_VP9_ENCODER
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gst_element_register (plugin, "vaapivp9enc",
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GST_RANK_PRIMARY, GST_TYPE_VAAPIENCODE_VP9);
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#endif
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#endif
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gst_vaapi_display_unref (display);
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return TRUE;
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/* ERRORS: */
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error_no_display:
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{
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GST_ERROR ("Cannot create a VA display");
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/* Avoid blacklisting: failure to create a display could be a
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* transient condition */
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return TRUE;
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}
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unsupported_driver:
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{
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gst_vaapi_display_unref (display);
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return TRUE; /* return TRUE to avoid get blacklisted */
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}
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR,
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vaapi, PLUGIN_DESC, plugin_init,
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PACKAGE_VERSION, PLUGIN_LICENSE, PACKAGE, PACKAGE_BUGREPORT)
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