mirror of
git://nv-tegra.nvidia.com/tegra/gst-src/gst-nvvideo4linux2.git
synced 2025-12-22 09:22:34 +03:00
Updating prebuilts and/or headers
ad68a394611e57debf3d91f0c030d659d03138b5 - v4l2_nv_extensions.h ed8273ff6102bb0b4fa7975a401b12b3e95a7187 - nvbufsurface.h d27a433ddeaefb9f42d0312c23472514b0cd6a45 - gst-nvcustomevent.h 49a66f0ce02abc71f33e096a65645ddedf5c7f46 - gst-v4l2/gstv4l2bufferpool.c 5948d70c07e87f9b1dc403789dcbed6acfa47ad9 - gst-v4l2/gstv4l2av1enc.c 99d65d620807b5ba1ca29a838e032940c9b019cc - gst-v4l2/sei_parse.c c2099692cdb374440c2a040cb6ad01bbc1549ce5 - gst-v4l2/gstv4l2h26xparser.h d89a680415f6ff5acec2571cde0fce9054d8e81f - gst-v4l2/gstv4l2vp9enc.h 3465c61330f2f59d307b660aed6f2a65e053e2a2 - gst-v4l2/gstv4l2.c 9681f7b98dfdfbc4d845f9ce7f11c3692b923195 - gst-v4l2/gstv4l2videoenc.c 39fcb2f599e6906ab0fd7ab9a46fef3ea58a8cab - gst-v4l2/gstv4l2vp8enc.h 71be284b547ee68fb0e2cd14b0aeb14734a915a1 - gst-v4l2/gstv4l2bufferpool.h 65de802e5f162aa04518b7ade5841cc3ced01111 - gst-v4l2/Makefile 884e5b97b9fa8d07b6153e6efe6999884922b813 - gst-v4l2/gstv4l2object.c e8e973c103725b65232d32817e0305d12d6ff309 - gst-v4l2/gstv4l2h264enc.c b827fd6cb1e3b8ecebd6a07f8556e846e26cba17 - gst-v4l2/gstv4l2allocator.h 02d142337f4b96fcb0c9f2405a3cbe90c5917cca - gst-v4l2/gstv4l2vp9enc.c 3f7cafe5beb4395caf2e1591bf0a835e5076031a - gst-v4l2/gstv4l2object.h d5952b0286c34bf13fbf5e09fe552ced0da49368 - gst-v4l2/gstv4l2videodec.h c81eacb7d88c4fb839506dd70055e30d7a9feeec - gst-v4l2/v4l2-utils.h cbc84dccd2506afa4c8f03849c95bb28c83ef4a3 - gst-v4l2/gstv4l2av1enc.h d29e3a719400c3cb27314366d48ec792a3c12363 - gst-v4l2/gstv4l2h265enc.h 4e79cf75c4fa29791e1f5141318dc8aec13a7835 - gst-v4l2/nalutils.h bb104683f5e4f7402e3f765a891e149edc794e02 - gst-v4l2/gstv4l2h264enc.h b1cd923335aa60985ff9866fba91a2068e8671c7 - gst-v4l2/LICENSE.gst-nvvideo4linux2 c09037afe2c6b01dcb5ed56f30f07c3d6482e150 - gst-v4l2/gstv4l2videodec.c a002edef13a3bbbdc41e42a7fca40e574ad1bb3e - gst-v4l2/v4l2-utils.c 489fde70531590e94d1d211a42f10f81ae68d2b9 - gst-v4l2/gstv4l2videoenc.h 73b03969d7ae0a8adb374c93999c43af88ea93b2 - gst-v4l2/v4l2_calls.c 398c24d1eef98ec9003a06587bc3784050602cd2 - gst-v4l2/gstv4l2h26xparser.c 5ecd059e5ef9be4014eface37e5e2f7598960f4e - gst-v4l2/nalutils.c 807bc9859585a540b0f85e98f147756aab24e1bd - gst-v4l2/gstv4l2vp8enc.c 9f726e4439379bb399f29c68736242f21dab3dd0 - gst-v4l2/gstv4l2allocator.c dc1a3f7292873f1f71dc27300f97f3ab918ed79f - gst-v4l2/gstv4l2h265enc.c 499a9feb17ceabf1f1443923dffa1e0180bf5972 - gst-v4l2/gst/glib-compat-private.h 20c4f7c0cb89c83256650bc3353ed82154cf3a9d - gst-v4l2/gst/gst-i18n-plugin.h e864ee6647f3572b144403d799f68152e9900da1 - gst-v4l2/gst/gettext.h 522ab8fc8531a2c758b9278d29642f5b763fd3e7 - gst-v4l2/ext/videodev2.h a745675b051a2b8434a430c80fde3f245864ca89 - gst-v4l2/ext/v4l2-common.h 1636366b5a062e4bc1791b7bc3012ccf5635b363 - gst-v4l2/ext/v4l2-controls.h 72a34a694337f8f6da3bb94c9faced6730cbd2fc - gst-v4l2/ext/types-compat.h Change-Id: I5578de0db34980a48c655a5079a792fd7de76270
This commit is contained in:
svcmobrel-release
449
gst-v4l2/gstv4l2.c
Normal file
449
gst-v4l2/gstv4l2.c
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@@ -0,0 +1,449 @@
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/* GStreamer
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*
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* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* 2006 Edgard Lima <edgard.lima@gmail.com>
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* Copyright (c) 2018-2022, NVIDIA CORPORATION. All rights reserved.
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*
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* gstv4l2.c: plugin for v4l2 elements
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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 Library General Public
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||||
* License as published by the Free Software Foundation; either
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* version 2 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
|
||||
* Library General Public License for more details.
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||||
*
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||||
* You should have received a copy of the GNU Library General Public
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||||
* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE /* O_CLOEXEC */
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#endif
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#include "gst/gst-i18n-plugin.h"
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#include <gst/gst.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "linux/videodev2.h"
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#include "v4l2-utils.h"
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#include "gstv4l2object.h"
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#ifndef USE_V4L2_TARGET_NV
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#include "gstv4l2src.h"
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#include "gstv4l2sink.h"
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#include "gstv4l2radio.h"
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#include "gstv4l2h263enc.h"
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#include "gstv4l2mpeg4enc.h"
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#include "gstv4l2deviceprovider.h"
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#include "gstv4l2transform.h"
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#endif
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#include "gstv4l2videodec.h"
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#include "gstv4l2h264enc.h"
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#include "gstv4l2h265enc.h"
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#include "gstv4l2vp8enc.h"
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#include "gstv4l2vp9enc.h"
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#include "gstv4l2av1enc.h"
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/* used in gstv4l2object.c and v4l2_calls.c */
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GST_DEBUG_CATEGORY (v4l2_debug);
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#define GST_CAT_DEFAULT v4l2_debug
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#ifndef USE_V4L2_TARGET_NV_X86
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gboolean is_cuvid;
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#else
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gboolean is_cuvid = TRUE;
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#endif
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#ifdef GST_V4L2_ENABLE_PROBE
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/* This is a minimalist probe, for speed, we only enumerate formats */
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static GstCaps *
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gst_v4l2_probe_template_caps (const gchar * device, gint video_fd,
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enum v4l2_buf_type type)
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{
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gint n;
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struct v4l2_fmtdesc format;
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GstCaps *caps;
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GST_DEBUG ("Getting %s format enumerations", device);
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caps = gst_caps_new_empty ();
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for (n = 0;; n++) {
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GstStructure *template;
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memset (&format, 0, sizeof (format));
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format.index = n;
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format.type = type;
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if (ioctl (video_fd, VIDIOC_ENUM_FMT, &format) < 0)
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break; /* end of enumeration */
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GST_LOG ("index: %u", format.index);
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GST_LOG ("type: %d", format.type);
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GST_LOG ("flags: %08x", format.flags);
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GST_LOG ("description: '%s'", format.description);
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GST_LOG ("pixelformat: %" GST_FOURCC_FORMAT,
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GST_FOURCC_ARGS (format.pixelformat));
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template = gst_v4l2_object_v4l2fourcc_to_structure (format.pixelformat);
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if (template) {
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GstStructure *alt_t = NULL;
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switch (format.pixelformat) {
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case V4L2_PIX_FMT_RGB32:
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alt_t = gst_structure_copy (template);
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gst_structure_set (alt_t, "format", G_TYPE_STRING, "ARGB", NULL);
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break;
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case V4L2_PIX_FMT_BGR32:
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alt_t = gst_structure_copy (template);
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gst_structure_set (alt_t, "format", G_TYPE_STRING, "BGRA", NULL);
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default:
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break;
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}
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gst_caps_append_structure (caps, template);
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if (alt_t)
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gst_caps_append_structure (caps, alt_t);
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}
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}
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return gst_caps_simplify (caps);
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}
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static gboolean
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gst_v4l2_probe_and_register (GstPlugin * plugin)
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{
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GstV4l2Iterator *it;
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gint video_fd = -1;
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struct v4l2_capability vcap;
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guint32 device_caps;
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it = gst_v4l2_iterator_new ();
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while (gst_v4l2_iterator_next (it)) {
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GstCaps *src_caps, *sink_caps;
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gchar *basename;
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if (video_fd >= 0)
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close (video_fd);
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video_fd = open (it->device_path, O_RDWR | O_CLOEXEC);
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if (video_fd == -1) {
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GST_DEBUG ("Failed to open %s: %s", it->device_path, g_strerror (errno));
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continue;
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}
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memset (&vcap, 0, sizeof (vcap));
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if (ioctl (video_fd, VIDIOC_QUERYCAP, &vcap) < 0) {
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GST_DEBUG ("Failed to get device capabilities: %s", g_strerror (errno));
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continue;
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}
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if (vcap.capabilities & V4L2_CAP_DEVICE_CAPS)
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device_caps = vcap.device_caps;
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else
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device_caps = vcap.capabilities;
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if (!((device_caps & (V4L2_CAP_VIDEO_M2M | V4L2_CAP_VIDEO_M2M_MPLANE)) ||
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/* But legacy driver may expose both CAPTURE and OUTPUT */
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((device_caps &
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(V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_CAPTURE_MPLANE)) &&
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(device_caps &
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(V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_MPLANE)))))
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continue;
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GST_DEBUG ("Probing '%s' located at '%s'",
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it->device_name ? it->device_name : (const gchar *) vcap.driver,
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it->device_path);
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/* get sink supported format (no MPLANE for codec) */
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sink_caps = gst_caps_merge (gst_v4l2_probe_template_caps (it->device_path,
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video_fd, V4L2_BUF_TYPE_VIDEO_OUTPUT),
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gst_v4l2_probe_template_caps (it->device_path, video_fd,
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V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE));
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/* get src supported format */
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src_caps = gst_caps_merge (gst_v4l2_probe_template_caps (it->device_path,
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video_fd, V4L2_BUF_TYPE_VIDEO_CAPTURE),
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gst_v4l2_probe_template_caps (it->device_path, video_fd,
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V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE));
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/* Skip devices without any supported formats */
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if (gst_caps_is_empty (sink_caps) || gst_caps_is_empty (src_caps)) {
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gst_caps_unref (sink_caps);
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gst_caps_unref (src_caps);
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continue;
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}
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basename = g_path_get_basename (it->device_path);
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if (gst_v4l2_is_video_dec (sink_caps, src_caps)) {
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gst_v4l2_video_dec_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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} else if (gst_v4l2_is_video_enc (sink_caps, src_caps, NULL)) {
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if (gst_v4l2_is_h264_enc (sink_caps, src_caps))
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gst_v4l2_h264_enc_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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if (gst_v4l2_is_mpeg4_enc (sink_caps, src_caps))
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gst_v4l2_mpeg4_enc_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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if (gst_v4l2_is_h263_enc (sink_caps, src_caps))
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gst_v4l2_h263_enc_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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if (gst_v4l2_is_vp8_enc (sink_caps, src_caps))
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gst_v4l2_vp8_enc_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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if (gst_v4l2_is_vp9_enc (sink_caps, src_caps))
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gst_v4l2_vp9_enc_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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if (gst_v4l2_is_av1_enc (sink_caps, src_caps))
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gst_v4l2_av1_enc_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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} else if (gst_v4l2_is_transform (sink_caps, src_caps)) {
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gst_v4l2_transform_register (plugin, basename, it->device_path,
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sink_caps, src_caps);
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}
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/* else if ( ... etc. */
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gst_caps_unref (sink_caps);
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gst_caps_unref (src_caps);
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g_free (basename);
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}
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if (video_fd >= 0)
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close (video_fd);
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gst_v4l2_iterator_free (it);
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return TRUE;
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}
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#endif
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#ifndef USE_V4L2_TARGET_NV
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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const gchar *paths[] = { "/dev", "/dev/v4l2", NULL };
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const gchar *names[] = { "video", NULL };
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GST_DEBUG_CATEGORY_INIT (v4l2_debug, "v4l2", 0, "V4L2 API calls");
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/* Add some depedency, so the dynamic features get updated upon changes in
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* /dev/video* */
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gst_plugin_add_dependency (plugin,
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NULL, paths, names, GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX);
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if (!gst_element_register (plugin, "v4l2src", GST_RANK_PRIMARY,
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GST_TYPE_V4L2SRC) ||
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!gst_element_register (plugin, "v4l2sink", GST_RANK_NONE,
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GST_TYPE_V4L2SINK) ||
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!gst_element_register (plugin, "v4l2radio", GST_RANK_NONE,
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GST_TYPE_V4L2RADIO) ||
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!gst_device_provider_register (plugin, "v4l2deviceprovider",
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GST_RANK_PRIMARY, GST_TYPE_V4L2_DEVICE_PROVIDER)
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/* etc. */
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#ifdef GST_V4L2_ENABLE_PROBE
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|| !gst_v4l2_probe_and_register (plugin)
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#endif
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)
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return FALSE;
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#ifdef ENABLE_NLS
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bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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#endif /* ENABLE_NLS */
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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video4linux2,
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"elements for Video 4 Linux",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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#else
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static gboolean
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gst_v4l2_has_vp8_encoder(void)
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{
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gboolean ret = FALSE;
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int fd = -1;
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long len = -1;
|
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struct stat statbuf;
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char info[128];
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if (access (V4L2_DEVICE_PATH_TEGRA_INFO, F_OK) == 0) {
|
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stat(V4L2_DEVICE_PATH_TEGRA_INFO, &statbuf);
|
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if (statbuf.st_size > 0 && statbuf.st_size < 128)
|
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{
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fd = open(V4L2_DEVICE_PATH_TEGRA_INFO, O_RDONLY);
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read(fd, info, statbuf.st_size);
|
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len = statbuf.st_size - 8;
|
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for (int i = 0; i < len; i ++)
|
||||
{
|
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if (strncmp(&info[i], "tegra", 5) == 0)
|
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{
|
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if (strncmp(&info[i], "tegra186", 8) == 0 ||
|
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strncmp(&info[i], "tegra210", 8) == 0)
|
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ret = TRUE;
|
||||
break;
|
||||
}
|
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}
|
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close(fd);
|
||||
}
|
||||
}
|
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return ret;
|
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}
|
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|
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static gboolean
|
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plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
gboolean ret = TRUE;
|
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|
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g_setenv ("GST_V4L2_USE_LIBV4L2", "1", FALSE);
|
||||
|
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GST_DEBUG_CATEGORY_INIT (v4l2_debug, "v4l2", 0, "V4L2 API calls");
|
||||
|
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#ifndef USE_V4L2_TARGET_NV_X86
|
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int igpu = -1, dgpu = -1;
|
||||
igpu = system("lsmod | grep 'nvgpu' > /dev/null");
|
||||
dgpu = system("modprobe -D -q nvidia | grep 'dkms' > /dev/null");
|
||||
if (igpu == -1 || dgpu == -1)
|
||||
return FALSE;
|
||||
else if (dgpu == 0)
|
||||
is_cuvid = TRUE;
|
||||
else
|
||||
is_cuvid = FALSE;
|
||||
|
||||
if (getenv("AARCH64_DGPU"))
|
||||
is_cuvid = TRUE;
|
||||
else if (getenv("AARCH64_IGPU"))
|
||||
is_cuvid = FALSE;
|
||||
#endif
|
||||
|
||||
if (is_cuvid == TRUE)
|
||||
gst_v4l2_video_dec_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVDEC,
|
||||
V4L2_DEVICE_PATH_NVDEC_MCCOY,
|
||||
NULL,
|
||||
NULL);
|
||||
else if (access (V4L2_DEVICE_PATH_NVDEC, F_OK) == 0)
|
||||
gst_v4l2_video_dec_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVDEC,
|
||||
V4L2_DEVICE_PATH_NVDEC,
|
||||
NULL,
|
||||
NULL);
|
||||
else
|
||||
gst_v4l2_video_dec_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVDEC,
|
||||
V4L2_DEVICE_PATH_NVDEC_ALT,
|
||||
NULL,
|
||||
NULL);
|
||||
|
||||
if (access (V4L2_DEVICE_PATH_NVENC, F_OK) == 0) {
|
||||
gst_v4l2_h264_enc_register(plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC,
|
||||
NULL,
|
||||
NULL);
|
||||
gst_v4l2_h265_enc_register(plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC,
|
||||
NULL,
|
||||
NULL);
|
||||
} else {
|
||||
gst_v4l2_h264_enc_register(plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC_ALT,
|
||||
NULL,
|
||||
NULL);
|
||||
gst_v4l2_h265_enc_register(plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC_ALT,
|
||||
NULL,
|
||||
NULL);
|
||||
}
|
||||
|
||||
if (is_cuvid == FALSE) {
|
||||
if (access (V4L2_DEVICE_PATH_NVENC, F_OK) == 0) {
|
||||
if (gst_v4l2_has_vp8_encoder()) {
|
||||
gst_v4l2_vp8_enc_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC,
|
||||
NULL,
|
||||
NULL);
|
||||
}
|
||||
gst_v4l2_vp9_enc_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC,
|
||||
NULL,
|
||||
NULL);
|
||||
gst_v4l2_av1_enc_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC,
|
||||
NULL,
|
||||
NULL);
|
||||
} else {
|
||||
gst_v4l2_vp8_enc_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC_ALT,
|
||||
NULL,
|
||||
NULL);
|
||||
gst_v4l2_vp9_enc_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC_ALT,
|
||||
NULL,
|
||||
NULL);
|
||||
gst_v4l2_av1_enc_register (plugin,
|
||||
V4L2_DEVICE_BASENAME_NVENC,
|
||||
V4L2_DEVICE_PATH_NVENC_ALT,
|
||||
NULL,
|
||||
NULL);
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#ifndef PACKAGE
|
||||
#define PACKAGE "nvvideo4linux2"
|
||||
#endif
|
||||
|
||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||
GST_VERSION_MINOR,
|
||||
nvvideo4linux2,
|
||||
"Nvidia elements for Video 4 Linux",
|
||||
plugin_init,
|
||||
"1.14.0",
|
||||
"LGPL",
|
||||
"nvvideo4linux2",
|
||||
"http://nvidia.com/")
|
||||
#endif
|
||||
Reference in New Issue
Block a user