/* GStreamer
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- * 2006 Edgard Lima <edgard.lima@indt.org.br>
+ * 2006 Edgard Lima <edgard.lima@gmail.com>
*
* gstv4l2.c: plugin for v4l2 elements
*
*
* 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE /* O_CLOEXEC */
+#endif
+
#include "gst/gst-i18n-plugin.h"
#include <gst/gst.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "ext/videodev2.h"
+#include "v4l2-utils.h"
+
#include "gstv4l2object.h"
#include "gstv4l2src.h"
#include "gstv4l2sink.h"
#include "gstv4l2radio.h"
-/* #include "gstv4l2jpegsrc.h" */
-/* #include "gstv4l2mjpegsrc.h" */
-/* #include "gstv4l2mjpegsink.h" */
+#include "gstv4l2videodec.h"
+#include "gstv4l2fwhtenc.h"
+#include "gstv4l2h263enc.h"
+#include "gstv4l2h264enc.h"
+#include "gstv4l2h265enc.h"
+#include "gstv4l2jpegenc.h"
+#include "gstv4l2mpeg4enc.h"
+#include "gstv4l2vp8enc.h"
+#include "gstv4l2vp9enc.h"
+#include "gstv4l2deviceprovider.h"
+#include "gstv4l2transform.h"
-/* used in v4l2_calls.c and v4l2src_calls.c */
+/* used in gstv4l2object.c and v4l2_calls.c */
GST_DEBUG_CATEGORY (v4l2_debug);
-GST_DEBUG_CATEGORY (GST_CAT_PERFORMANCE);
+#define GST_CAT_DEFAULT v4l2_debug
+
+#ifdef GST_V4L2_ENABLE_PROBE
+/* This is a minimalist probe, for speed, we only enumerate formats */
+static GstCaps *
+gst_v4l2_probe_template_caps (const gchar * device, gint video_fd,
+ enum v4l2_buf_type type)
+{
+ gint n;
+ struct v4l2_fmtdesc format;
+ GstCaps *caps;
+
+ GST_DEBUG ("Getting %s format enumerations", device);
+ caps = gst_caps_new_empty ();
+
+ for (n = 0;; n++) {
+ GstStructure *template;
+
+ memset (&format, 0, sizeof (format));
+
+ format.index = n;
+ format.type = type;
+
+ if (ioctl (video_fd, VIDIOC_ENUM_FMT, &format) < 0)
+ break; /* end of enumeration */
+
+ GST_LOG ("index: %u", format.index);
+ GST_LOG ("type: %d", format.type);
+ GST_LOG ("flags: %08x", format.flags);
+ GST_LOG ("description: '%s'", format.description);
+ GST_LOG ("pixelformat: %" GST_FOURCC_FORMAT,
+ GST_FOURCC_ARGS (format.pixelformat));
+
+ template = gst_v4l2_object_v4l2fourcc_to_structure (format.pixelformat);
+
+ if (template) {
+ GstStructure *alt_t = NULL;
+
+ switch (format.pixelformat) {
+#ifdef TIZEN_FEATURE_V4L2_TBM_SUPPORT
+ case V4L2_PIX_FMT_YUV420:
+ alt_t = gst_structure_copy (template);
+ gst_structure_set (alt_t, "format", G_TYPE_STRING, "S420", NULL);
+ break;
+ case V4L2_PIX_FMT_NV12:
+ alt_t = gst_structure_copy (template);
+ gst_structure_set (alt_t, "format", G_TYPE_STRING, "SN12", NULL);
+ break;
+#endif /* TIZEN_FEATURE_V4L2_TBM_SUPPORT */
+ case V4L2_PIX_FMT_RGB32:
+ alt_t = gst_structure_copy (template);
+ gst_structure_set (alt_t, "format", G_TYPE_STRING, "ARGB", NULL);
+ break;
+ case V4L2_PIX_FMT_BGR32:
+ alt_t = gst_structure_copy (template);
+ gst_structure_set (alt_t, "format", G_TYPE_STRING, "BGRA", NULL);
+ default:
+ break;
+ }
+
+ gst_caps_append_structure (caps, template);
+
+ if (alt_t)
+ gst_caps_append_structure (caps, alt_t);
+ }
+ }
+
+ return gst_caps_simplify (caps);
+}
+
+static gboolean
+gst_v4l2_probe_and_register (GstPlugin * plugin)
+{
+ GstV4l2Iterator *it;
+ gint video_fd = -1;
+ struct v4l2_capability vcap;
+ guint32 device_caps;
+
+ GST_DEBUG ("Probing devices");
+
+ it = gst_v4l2_iterator_new ();
+
+ while (gst_v4l2_iterator_next (it)) {
+ GstCaps *src_caps, *sink_caps;
+ gchar *basename;
+
+ if (video_fd >= 0)
+ close (video_fd);
+
+ video_fd = open (it->device_path, O_RDWR | O_CLOEXEC);
+
+ if (video_fd == -1) {
+ GST_DEBUG ("Failed to open %s: %s", it->device_path, g_strerror (errno));
+ continue;
+ }
+
+ memset (&vcap, 0, sizeof (vcap));
+
+ if (ioctl (video_fd, VIDIOC_QUERYCAP, &vcap) < 0) {
+ GST_DEBUG ("Failed to get device capabilities: %s", g_strerror (errno));
+ continue;
+ }
+
+ if (vcap.capabilities & V4L2_CAP_DEVICE_CAPS)
+ device_caps = vcap.device_caps;
+ else
+ device_caps = vcap.capabilities;
+
+ if (!GST_V4L2_IS_M2M (device_caps))
+ continue;
+
+ GST_DEBUG ("Probing '%s' located at '%s'",
+ it->device_name ? it->device_name : (const gchar *) vcap.driver,
+ it->device_path);
+
+ /* get sink supported format (no MPLANE for codec) */
+ sink_caps = gst_caps_merge (gst_v4l2_probe_template_caps (it->device_path,
+ video_fd, V4L2_BUF_TYPE_VIDEO_OUTPUT),
+ gst_v4l2_probe_template_caps (it->device_path, video_fd,
+ V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE));
+
+ /* get src supported format */
+ src_caps = gst_caps_merge (gst_v4l2_probe_template_caps (it->device_path,
+ video_fd, V4L2_BUF_TYPE_VIDEO_CAPTURE),
+ gst_v4l2_probe_template_caps (it->device_path, video_fd,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE));
+
+ /* Skip devices without any supported formats */
+ if (gst_caps_is_empty (sink_caps) || gst_caps_is_empty (src_caps)) {
+ gst_caps_unref (sink_caps);
+ gst_caps_unref (src_caps);
+ continue;
+ }
+
+ basename = g_path_get_basename (it->device_path);
+
+ /* Caps won't be freed if the subclass is not instantiated */
+ GST_MINI_OBJECT_FLAG_SET (sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
+ GST_MINI_OBJECT_FLAG_SET (src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
+
+ if (gst_v4l2_is_video_dec (sink_caps, src_caps)) {
+ gst_v4l2_video_dec_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+ } else if (gst_v4l2_is_video_enc (sink_caps, src_caps, NULL)) {
+ if (gst_v4l2_is_fwht_enc (sink_caps, src_caps))
+ gst_v4l2_fwht_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_h264_enc (sink_caps, src_caps))
+ gst_v4l2_h264_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_h265_enc (sink_caps, src_caps))
+ gst_v4l2_h265_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_mpeg4_enc (sink_caps, src_caps))
+ gst_v4l2_mpeg4_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_h263_enc (sink_caps, src_caps))
+ gst_v4l2_h263_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_jpeg_enc (sink_caps, src_caps))
+ gst_v4l2_jpeg_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_vp8_enc (sink_caps, src_caps))
+ gst_v4l2_vp8_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+
+ if (gst_v4l2_is_vp9_enc (sink_caps, src_caps))
+ gst_v4l2_vp9_enc_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+ } else if (gst_v4l2_is_transform (sink_caps, src_caps)) {
+ gst_v4l2_transform_register (plugin, basename, it->device_path,
+ sink_caps, src_caps);
+ }
+ /* else if ( ... etc. */
+
+ gst_caps_unref (sink_caps);
+ gst_caps_unref (src_caps);
+ g_free (basename);
+ }
+
+ if (video_fd >= 0)
+ close (video_fd);
+
+ gst_v4l2_iterator_free (it);
+
+ return TRUE;
+}
+#endif
static gboolean
plugin_init (GstPlugin * plugin)
{
+#ifndef TIZEN_FEATURE_DISABLE_V4L2_DEPENDENCY
+ const gchar *paths[] = { "/dev", "/dev/v4l2", NULL };
+ const gchar *names[] = { "video", NULL };
+#endif /* TIZEN_FEATURE_DISABLE_V4L2_DEPENDENCY */
+
GST_DEBUG_CATEGORY_INIT (v4l2_debug, "v4l2", 0, "V4L2 API calls");
- GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
+#ifndef TIZEN_FEATURE_DISABLE_V4L2_DEPENDENCY
+ /* Add some depedency, so the dynamic features get updated upon changes in
+ * /dev/video* */
+ gst_plugin_add_dependency (plugin,
+ NULL, paths, names, GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX);
+#endif /* TIZEN_FEATURE_DISABLE_V4L2_DEPENDENCY */
if (!gst_element_register (plugin, "v4l2src", GST_RANK_PRIMARY,
GST_TYPE_V4L2SRC) ||
GST_TYPE_V4L2SINK) ||
!gst_element_register (plugin, "v4l2radio", GST_RANK_NONE,
GST_TYPE_V4L2RADIO) ||
- /* !gst_element_register (plugin, "v4l2jpegsrc", */
- /* GST_RANK_NONE, GST_TYPE_V4L2JPEGSRC) || */
- /* !gst_element_register (plugin, "v4l2mjpegsrc", */
- /* GST_RANK_NONE, GST_TYPE_V4L2MJPEGSRC) || */
- /* !gst_element_register (plugin, "v4l2mjpegsink", */
- /* GST_RANK_NONE, GST_TYPE_V4L2MJPEGSINK)) */
- FALSE)
+ !gst_device_provider_register (plugin, "v4l2deviceprovider",
+ GST_RANK_PRIMARY, GST_TYPE_V4L2_DEVICE_PROVIDER)
+ /* etc. */
+#ifdef GST_V4L2_ENABLE_PROBE
+ || !gst_v4l2_probe_and_register (plugin)
+#endif
+ )
return FALSE;
#ifdef ENABLE_NLS
- setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif /* ENABLE_NLS */
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
- "video4linux2",
+ video4linux2,
"elements for Video 4 Linux",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
projects / platform / upstream / gst-plugins-good.git / blobdiff