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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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launcher: Re activate smart rendering support
Trying to get the best encoding profile for smart rendering when the user didn't specify anything. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/198>
This commit is contained in:
Thibault Saunier
parent
6f7d4ac525
commit
3a6530a127
1 changed files with 135 additions and 10 deletions
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@ -105,10 +105,111 @@ _set_restriction_caps (GESTimeline * timeline, GESLauncherParsedOptions * opts)
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}
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static void
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_check_has_audio_video (GESLauncher * self, gint * n_audio, gint * n_video)
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{
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GList *tmp, *tracks = ges_timeline_get_tracks (self->priv->timeline);
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*n_video = *n_audio = 0;
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for (tmp = tracks; tmp; tmp = tmp->next) {
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if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_VIDEO)
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*n_video = *n_video + 1;
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else if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_AUDIO)
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*n_audio = *n_audio + 1;
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}
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}
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#define N_INSTANCES "__n_instances"
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static gint
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sort_encoding_profiles (gconstpointer a, gconstpointer b)
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{
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const gint acount =
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GPOINTER_TO_INT (g_object_get_data ((GObject *) a, N_INSTANCES));
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const gint bcount =
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GPOINTER_TO_INT (g_object_get_data ((GObject *) b, N_INSTANCES));
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if (acount < bcount)
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return -1;
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if (acount == bcount)
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return 0;
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return 1;
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}
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static GstEncodingProfile *
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get_smart_profile (GESLauncher * self)
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{
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gint n_audio, n_video;
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GList *tmp, *assets, *possible_profiles = NULL;
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GstEncodingProfile *res = NULL;
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GESProject *proj =
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GES_PROJECT (ges_extractable_get_asset (GES_EXTRACTABLE (self->
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priv->timeline)));
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_check_has_audio_video (self, &n_audio, &n_video);
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assets = ges_project_list_assets (proj, GES_TYPE_URI_CLIP);
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for (tmp = assets; tmp; tmp = tmp->next) {
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GESAsset *asset = tmp->data;
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GList *audio_streams, *video_streams;
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GstDiscovererInfo *info;
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if (!GES_IS_URI_CLIP_ASSET (asset))
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continue;
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info = ges_uri_clip_asset_get_info (GES_URI_CLIP_ASSET (asset));
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audio_streams = gst_discoverer_info_get_audio_streams (info);
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video_streams = gst_discoverer_info_get_video_streams (info);
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if (g_list_length (audio_streams) >= n_audio
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&& g_list_length (video_streams) >= n_video) {
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GstEncodingProfile *prof = gst_encoding_profile_from_discoverer (info);
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GList *prevprof;
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prevprof =
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g_list_find_custom (possible_profiles, prof,
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(GCompareFunc) gst_encoding_profile_is_equal);
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if (prevprof) {
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g_object_unref (prof);
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prof = prevprof->data;
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} else {
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possible_profiles = g_list_prepend (possible_profiles, prof);
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}
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g_object_set_data ((GObject *) prof, N_INSTANCES,
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GINT_TO_POINTER (GPOINTER_TO_INT (g_object_get_data ((GObject *) prof,
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N_INSTANCES)) + 1));
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}
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gst_discoverer_stream_info_list_free (audio_streams);
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gst_discoverer_stream_info_list_free (video_streams);
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}
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g_list_free_full (assets, gst_object_unref);
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if (possible_profiles) {
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possible_profiles = g_list_sort (possible_profiles, sort_encoding_profiles);
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res = gst_object_ref (possible_profiles->data);
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g_list_free_full (possible_profiles, gst_object_unref);
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}
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return res;
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}
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static void
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disable_bframe_for_smart_rendering_cb (GstBin * bin, GstBin * sub_bin,
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GstElement * child)
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{
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GstElementFactory *factory = gst_element_get_factory (child);
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if (factory && !g_strcmp0 (GST_OBJECT_NAME (factory), "x264enc")) {
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g_object_set (child, "b-adapt", FALSE, "b-pyramid", FALSE, "bframes", 0,
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NULL);
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}
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}
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static gboolean
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_set_rendering_details (GESLauncher * self)
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{
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GESLauncherParsedOptions *opts = &self->priv->parsed_options;
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gboolean smart_profile = FALSE;
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GESPipelineFlags cmode = ges_pipeline_get_mode (self->priv->pipeline);
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if (cmode & GES_PIPELINE_MODE_RENDER
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@ -138,8 +239,14 @@ _set_rendering_details (GESLauncher * self)
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if (!prof) {
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if (opts->format == NULL) {
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if (opts->smartrender)
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prof = get_smart_profile (self);
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if (prof)
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smart_profile = TRUE;
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else {
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opts->format = get_file_extension (opts->outputuri);
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prof = parse_encoding_profile (opts->format);
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}
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} else {
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prof = parse_encoding_profile (opts->format);
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if (!prof)
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@ -161,11 +268,17 @@ _set_rendering_details (GESLauncher * self)
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}
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g_print ("Output: %s\n", opts->outputuri);
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g_print ("Encoding to:\n");
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g_print ("Encoding to:%s\n", smart_profile ?
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" (Selected from input files format for efficient smart rendering)" :
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"");
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describe_encoding_profile (prof);
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}
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opts->outputuri = ensure_uri (opts->outputuri);
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if (opts->smartrender) {
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g_signal_connect (self->priv->pipeline, "deep-element-added",
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G_CALLBACK (disable_bframe_for_smart_rendering_cb), NULL);
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}
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if (!prof
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|| !ges_pipeline_set_render_settings (self->priv->pipeline,
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opts->outputuri, prof)
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@ -182,6 +295,19 @@ _set_rendering_details (GESLauncher * self)
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return TRUE;
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}
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static void
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_track_set_mixing (GESTrack * track, GESLauncherParsedOptions * opts)
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{
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static gboolean printed_mixing_disabled = FALSE;
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if (opts->disable_mixing || opts->smartrender)
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ges_track_set_mixing (track, FALSE);
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if (!opts->disable_mixing && opts->smartrender && !printed_mixing_disabled) {
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g_print ("**Mixing is disabled for smart rendering to work**\n");
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printed_mixing_disabled = TRUE;
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}
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}
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static gboolean
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_timeline_set_user_options (GESLauncher * self, GESTimeline * timeline,
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const gchar * load_path)
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@ -199,9 +325,7 @@ retry:
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else if (GES_TRACK (tmp->data)->type == GES_TRACK_TYPE_AUDIO)
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has_audio = TRUE;
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if (opts->disable_mixing)
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ges_track_set_mixing (tmp->data, FALSE);
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_track_set_mixing (tmp->data, opts);
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if (!(GES_TRACK (tmp->data)->type & opts->track_types)) {
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ges_timeline_remove_track (timeline, tmp->data);
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goto retry;
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@ -215,8 +339,7 @@ retry:
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if (!_set_track_restriction_caps (trackv, opts->video_track_caps))
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return FALSE;
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if (opts->disable_mixing)
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ges_track_set_mixing (trackv, FALSE);
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_track_set_mixing (trackv, opts);
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if (!(ges_timeline_add_track (timeline, trackv)))
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return FALSE;
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@ -228,8 +351,7 @@ retry:
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if (!_set_track_restriction_caps (tracka, opts->audio_track_caps))
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return FALSE;
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if (opts->disable_mixing)
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ges_track_set_mixing (tracka, FALSE);
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_track_set_mixing (tracka, opts);
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if (!(ges_timeline_add_track (timeline, tracka)))
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return FALSE;
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@ -720,6 +842,9 @@ ges_launcher_get_rendering_option_group (GESLauncherParsedOptions * opts)
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"See ges-launch-1.0 help profile for more information. "
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"This will have no effect if no outputuri has been specified.",
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"<profile-name>"},
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{"smart-rendering", 0, 0, G_OPTION_ARG_NONE, &opts->smartrender,
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"Avoid reencoding when rendering. This option implies --disable-mixing.",
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NULL},
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{NULL}
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};
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