/* GStreamer * Copyright (C) 2020 Collabora Ltd. * Author: Nicolas Dufresne * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstv4l2codecdevice.h" #include "gstv4l2codech264dec.h" #include "gstv4l2codecmpeg2dec.h" #include "gstv4l2codecvp8dec.h" #include "gstv4l2codecvp9dec.h" #include "gstv4l2decoder.h" #include "linux/v4l2-controls.h" #include "linux/media.h" #define GST_CAT_DEFAULT gstv4l2codecs_debug GST_DEBUG_CATEGORY (gstv4l2codecs_debug); static void register_video_decoder (GstPlugin * plugin, GstV4l2CodecDevice * device) { GstV4l2Decoder *decoder = gst_v4l2_decoder_new (device); gint i; guint32 fmt; if (!gst_v4l2_decoder_open (decoder)) { g_object_unref (decoder); return; } for (i = 0; gst_v4l2_decoder_enum_sink_fmt (decoder, i, &fmt); i++) { switch (fmt) { case V4L2_PIX_FMT_H264_SLICE: GST_INFO_OBJECT (decoder, "Registering %s as H264 Decoder", device->name); gst_v4l2_codec_h264_dec_register (plugin, decoder, device, GST_RANK_PRIMARY + 1); break; case V4L2_PIX_FMT_VP8_FRAME: GST_INFO_OBJECT (decoder, "Registering %s as VP8 Decoder", device->name); gst_v4l2_codec_vp8_dec_register (plugin, decoder, device, GST_RANK_PRIMARY + 1); break; case V4L2_PIX_FMT_MPEG2_SLICE: GST_INFO_OBJECT (decoder, "Registering %s as Mpeg2 Decoder", device->name); gst_v4l2_codec_mpeg2_dec_register (plugin, device, GST_RANK_PRIMARY + 1); break; case V4L2_PIX_FMT_VP9_FRAME: GST_INFO_OBJECT (decoder, "Registering %s as VP9 Decoder", device->name); gst_v4l2_codec_vp9_dec_register (plugin, device, GST_RANK_PRIMARY + 1); break; default: GST_FIXME_OBJECT (decoder, "%" GST_FOURCC_FORMAT " is not supported.", GST_FOURCC_ARGS (fmt)); break; } } g_object_unref (decoder); } static gboolean plugin_init (GstPlugin * plugin) { GList *devices, *d; const gchar *paths[] = { "/dev", NULL }; const gchar *names[] = { "media", NULL }; GST_DEBUG_CATEGORY_INIT (gstv4l2codecs_debug, "v4l2codecs", 0, "V4L2 CODECs general debug"); /* Add some dependency, so the dynamic features get updated upon changes in * /dev/media* */ gst_plugin_add_dependency (plugin, NULL, paths, names, GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX); devices = gst_v4l2_codec_find_devices (); for (d = devices; d; d = g_list_next (d)) { GstV4l2CodecDevice *device = d->data; if (device->function == MEDIA_ENT_F_PROC_VIDEO_DECODER) register_video_decoder (plugin, device); } gst_v4l2_codec_device_list_free (devices); return TRUE; } GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, v4l2codecs, "V4L2 CODEC Accelerators plugin", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)