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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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camerabin2: Implement tagsetter interface
This commit is contained in:
Thiago Santos
parent
a90f8210bb
commit
a715b46c7f
3 changed files with 261 additions and 0 deletions
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@ -103,6 +103,11 @@ GType
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gst_camera_bin_get_type (void)
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{
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static GType gst_camera_bin_type = 0;
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static const GInterfaceInfo camerabin_tagsetter_info = {
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NULL,
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NULL,
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NULL,
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};
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if (!gst_camera_bin_type) {
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static const GTypeInfo gst_camera_bin_info = {
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@ -121,6 +126,9 @@ gst_camera_bin_get_type (void)
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gst_camera_bin_type =
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g_type_register_static (GST_TYPE_PIPELINE, "GstCameraBin2",
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&gst_camera_bin_info, 0);
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g_type_add_interface_static (gst_camera_bin_type, GST_TYPE_TAG_SETTER,
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&camerabin_tagsetter_info);
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}
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return gst_camera_bin_type;
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@ -149,7 +157,30 @@ gst_camera_bin_new_event_renegotiate (void)
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static void
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gst_camera_bin_start_capture (GstCameraBin * camerabin)
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{
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const GstTagList *taglist;
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GST_DEBUG_OBJECT (camerabin, "Received start-capture");
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taglist = gst_tag_setter_get_tag_list (GST_TAG_SETTER (camerabin));
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if (taglist) {
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GstPad *active_pad;
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GST_DEBUG_OBJECT (camerabin, "Pushing tags from application: %"
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GST_PTR_FORMAT, taglist);
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if (camerabin->mode == MODE_IMAGE) {
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active_pad = gst_element_get_static_pad (camerabin->src,
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GST_BASE_CAMERA_SRC_IMAGE_PAD_NAME);
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} else {
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active_pad = gst_element_get_static_pad (camerabin->src,
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GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME);
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}
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gst_pad_push_event (active_pad,
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gst_event_new_tag (gst_tag_list_copy (taglist)));
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gst_object_unref (active_pad);
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}
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g_signal_emit_by_name (camerabin->src, "start-capture", NULL);
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}
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@ -559,6 +590,7 @@ gst_camera_bin_change_state (GstElement * element, GstStateChange trans)
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switch (trans) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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gst_tag_setter_reset_tags (GST_TAG_SETTER (camera));
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gst_element_set_state (camera->videosink, GST_STATE_READY);
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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@ -201,6 +201,7 @@ elements_camerabin2_CFLAGS = \
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elements_camerabin2_LDADD = \
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$(top_builddir)/gst-libs/gst/interfaces/libgstphotography-@GST_MAJORMINOR@.la \
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$(top_builddir)/gst-libs/gst/basecamerabinsrc/libgstbasecamerabinsrc-@GST_MAJORMINOR@.la \
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-lgstpbutils-$(GST_MAJORMINOR) \
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$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(LDADD)
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elements_camerabin2_SOURCES = elements/camerabin2.c
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@ -31,6 +31,7 @@
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#include <gst/video/video.h>
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#include <gst/check/gstcheck.h>
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#include <gst/basecamerabinsrc/gstbasecamerasrc.h>
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#include <gst/pbutils/encoding-profile.h>
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#define IMAGE_FILENAME "image"
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#define VIDEO_FILENAME "video"
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@ -171,6 +172,26 @@ guint32 test_id = 0;
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static GstBuffer *preview_buffer;
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static GstCaps *preview_caps;
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static GstTagList *tags_found;
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static gboolean
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validity_bus_cb (GstBus * bus, GstMessage * message, gpointer data);
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static void
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validate_taglist_foreach (const GstTagList * list, const gchar * tag,
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gpointer user_data)
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{
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GstTagList *other = GST_TAG_LIST (user_data);
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const GValue *val1 = gst_tag_list_get_value_index (list, tag, 0);
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const GValue *val2 = gst_tag_list_get_value_index (other, tag, 0);
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fail_if (val1 == NULL);
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fail_if (val2 == NULL);
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fail_unless (gst_value_can_intersect (val1, val2));
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}
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/* helper function for filenames */
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static const gchar *
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@ -271,6 +292,31 @@ check_preview_image (void)
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}
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}
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static void
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extract_jpeg_tags (const gchar * filename, gint num)
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{
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GstBus *bus;
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GMainLoop *loop = g_main_loop_new (NULL, FALSE);
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const gchar *filepath = make_test_file_name (filename, num);
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gchar *pipeline_str = g_strdup_printf ("filesrc location=%s ! "
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"jpegparse ! fakesink", filepath);
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GstElement *pipeline;
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pipeline = gst_parse_launch (pipeline_str, NULL);
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fail_unless (pipeline != NULL);
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g_free (pipeline_str);
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bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_add_watch (bus, (GstBusFunc) validity_bus_cb, loop);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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g_main_loop_run (loop);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (bus);
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gst_object_unref (pipeline);
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}
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static void
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setup_wrappercamerabinsrc_videotestsrc (void)
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{
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@ -334,6 +380,10 @@ teardown (void)
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gst_buffer_unref (preview_buffer);
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preview_buffer = NULL;
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if (tags_found)
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gst_tag_list_free (tags_found);
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tags_found = NULL;
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GST_INFO ("done");
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}
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@ -360,12 +410,32 @@ validity_bus_cb (GstBus * bus, GstMessage * message, gpointer data)
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g_main_loop_quit (loop);
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GST_DEBUG ("eos");
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break;
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case GST_MESSAGE_TAG:{
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GstTagList *taglist = NULL;
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gst_message_parse_tag (message, &taglist);
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if (tags_found) {
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gst_tag_list_insert (tags_found, taglist, GST_TAG_MERGE_REPLACE);
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gst_tag_list_free (taglist);
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} else {
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tags_found = taglist;
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}
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}
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break;
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default:
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break;
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}
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return TRUE;
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}
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/* checks that tags in @tags_a are in @tags_b */
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static gboolean
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taglist_is_subset (GstTagList * tags_a, GstTagList * tags_b)
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{
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gst_tag_list_foreach (tags_a, validate_taglist_foreach, tags_b);
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return TRUE;
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}
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/* Validate captured files by playing them with playbin
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* and checking that no errors occur. */
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static gboolean
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@ -417,6 +487,17 @@ check_file_validity (const gchar * filename, gint num, GstTagList * taglist,
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g_main_loop_run (loop);
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gst_element_set_state (playbin, GST_STATE_NULL);
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/* special handling for images (jpg) as jpegparse isn't plugged by
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* default due to its current low rank */
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if (taglist && strstr (filename, "image")) {
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extract_jpeg_tags (filename, num);
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}
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if (taglist) {
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fail_unless (tags_found != NULL);
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fail_unless (taglist_is_subset (taglist, tags_found));
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}
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g_free (uri);
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gst_object_unref (bus);
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gst_object_unref (playbin);
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@ -703,6 +784,150 @@ GST_START_TEST (test_image_capture_previews)
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GST_END_TEST;
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GST_START_TEST (test_image_capture_with_tags)
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{
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gint i;
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GstTagList *taglists[3];
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if (!camera)
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return;
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taglists[0] = gst_tag_list_new_full (GST_TAG_COMMENT, "test1",
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GST_TAG_GEO_LOCATION_LATITUDE, 36.6, GST_TAG_GEO_LOCATION_LONGITUDE,
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-12.5,
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GST_TAG_COPYRIGHT, "My copyright notice",
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GST_TAG_DEVICE_MANUFACTURER, "MyFavoriteBrand",
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GST_TAG_DEVICE_MODEL, "123v42.1",
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GST_TAG_DESCRIPTION, "some description",
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GST_TAG_APPLICATION_NAME, "camerabin2 test",
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GST_TAG_GEO_LOCATION_ELEVATION, 300.85, NULL);
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taglists[1] = gst_tag_list_new_full (GST_TAG_COMMENT, "test2",
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GST_TAG_GEO_LOCATION_LATITUDE, 1.6, GST_TAG_GEO_LOCATION_LONGITUDE,
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0.0,
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GST_TAG_COPYRIGHT, "some cp",
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GST_TAG_DEVICE_MANUFACTURER, "ABRAND",
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GST_TAG_DEVICE_MODEL, "abcd",
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GST_TAG_DESCRIPTION, "desc",
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GST_TAG_APPLICATION_NAME, "another cam test",
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GST_TAG_GEO_LOCATION_ELEVATION, 10.0, NULL);
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taglists[2] = gst_tag_list_new_full (GST_TAG_COMMENT, "test3",
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GST_TAG_GEO_LOCATION_LATITUDE, 1.3, GST_TAG_GEO_LOCATION_LONGITUDE,
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-5.0,
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GST_TAG_COPYRIGHT, "CC",
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GST_TAG_DEVICE_MANUFACTURER, "Homemade",
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GST_TAG_DEVICE_MODEL, "xpto",
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GST_TAG_DESCRIPTION, "another description",
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GST_TAG_APPLICATION_NAME, "cam2 test",
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GST_TAG_GEO_LOCATION_ELEVATION, 0.0, NULL);
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/* set still image mode */
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g_object_set (camera, "mode", 1,
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"location", make_test_file_name (IMAGE_FILENAME, -1), NULL);
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if (gst_element_set_state (GST_ELEMENT (camera), GST_STATE_PLAYING) ==
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GST_STATE_CHANGE_FAILURE) {
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GST_WARNING ("setting camerabin to PLAYING failed");
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gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
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gst_object_unref (camera);
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camera = NULL;
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}
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fail_unless (camera != NULL);
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GST_INFO ("starting capture");
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for (i = 0; i < 3; i++) {
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gst_tag_setter_merge_tags (GST_TAG_SETTER (camera), taglists[i],
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GST_TAG_MERGE_REPLACE);
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g_signal_emit_by_name (camera, "start-capture", NULL);
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g_timeout_add_seconds (3, (GSourceFunc) g_main_loop_quit, main_loop);
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g_main_loop_run (main_loop);
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}
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gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
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for (i = 0; i < 2; i++) {
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check_file_validity (IMAGE_FILENAME, i, taglists[i], 0, 0);
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gst_tag_list_free (taglists[i]);
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}
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}
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GST_END_TEST;
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GST_START_TEST (test_video_capture_with_tags)
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{
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gint i;
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GstTagList *taglists[3];
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if (!camera)
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return;
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taglists[0] = gst_tag_list_new_full (GST_TAG_COMMENT, "test1", NULL);
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taglists[1] = gst_tag_list_new_full (GST_TAG_COMMENT, "test2", NULL);
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taglists[2] = gst_tag_list_new_full (GST_TAG_COMMENT, "test3", NULL);
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/* set video mode */
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g_object_set (camera, "mode", 2,
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"location", make_test_file_name (VIDEO_FILENAME, -1), NULL);
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/* set a profile that has xmp support for more tags being saved */
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{
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GstEncodingContainerProfile *profile;
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GstCaps *caps;
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caps =
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gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING,
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"apple", NULL);
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profile = gst_encoding_container_profile_new ("qt", "jpeg+qt", caps, NULL);
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gst_caps_unref (caps);
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caps = gst_caps_new_simple ("image/jpeg", NULL);
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if (!gst_encoding_container_profile_add_profile (profile,
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(GstEncodingProfile *) gst_encoding_video_profile_new (caps,
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NULL, NULL, 1))) {
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GST_WARNING_OBJECT (camera, "Failed to create encoding profiles");
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}
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gst_caps_unref (caps);
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g_object_set (camera, "video-profile", profile, NULL);
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gst_encoding_profile_unref (profile);
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}
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if (gst_element_set_state (GST_ELEMENT (camera), GST_STATE_PLAYING) ==
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GST_STATE_CHANGE_FAILURE) {
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GST_WARNING ("setting camerabin to PLAYING failed");
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gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
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gst_object_unref (camera);
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camera = NULL;
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}
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fail_unless (camera != NULL);
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GST_INFO ("starting capture");
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for (i = 0; i < 3; i++) {
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gst_tag_setter_merge_tags (GST_TAG_SETTER (camera), taglists[i],
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GST_TAG_MERGE_REPLACE);
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g_signal_emit_by_name (camera, "start-capture", NULL);
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g_timeout_add_seconds (3, (GSourceFunc) g_main_loop_quit, main_loop);
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g_main_loop_run (main_loop);
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g_signal_emit_by_name (camera, "stop-capture", NULL);
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g_usleep (G_USEC_PER_SEC * 3);
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}
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gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
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for (i = 0; i < 2; i++) {
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check_file_validity (VIDEO_FILENAME, i, taglists[i], 0, 0);
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gst_tag_list_free (taglists[i]);
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}
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}
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GST_END_TEST;
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GST_START_TEST (test_supported_caps)
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{
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GstCaps *padcaps = NULL;
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@ -798,6 +1023,9 @@ camerabin_suite (void)
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tcase_add_test (tc_basic, test_multiple_video_recordings);
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tcase_add_test (tc_basic, test_image_capture_previews);
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tcase_add_test (tc_basic, test_image_capture_with_tags);
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tcase_add_test (tc_basic, test_video_capture_with_tags);
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}
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end:
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