GST_MESSAGE_ELEMENT

[Shubham Shrivastava]

case GST_MESSAGE_ELEMENT:
    s = gst_message_get_structure (msg);
 if (gst_structure_has_name(s, "GstMultiFileSink"))
    {
         g_print("########################GST_MESSAGE_ELEMENT START#################\n");
         g_print("File written.");
         //gboolean fields=gst_structure_has_field(GstMultiFileSink,const gchar *filename);
         g_print(s->filename);
         g_print(s->index);
         g_print(s->post_messages);
         g_print(s->max_files);
         g_print(s->max_file_size);
         g_print(s->max_file_duration);
         g_print(s->aggregate_gops);
         g_print(s->gop_adapter);
         g_print(s->next_segmen);
         g_print("########################GST_MESSAGE_ELEMENT END#################\n");
    }

    break;

  const GstStructure *s;

Its showinig

‘GstStructure {aka const struct _GstStructure}’ has no member named ‘filename’
          g_print(s->filename);
                   ^
GVideo.c:623:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘index’
          g_print(s->index);
                   ^
GVideo.c:624:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘post_messages’
          g_print(s->post_messages);
                   ^
GVideo.c:625:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘max_files’
          g_print(s->max_files);
                   ^
GVideo.c:626:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘max_file_size’
          g_print(s->max_file_size);
                   ^
GVideo.c:627:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘max_file_duration’
          g_print(s->max_file_duration);
                   ^
GVideo.c:628:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘aggregate_gops’
          g_print(s->aggregate_gops);
                   ^
GVideo.c:629:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘gop_adapter’
          g_print(s->gop_adapter);
                   ^
GVideo.c:630:19: error: ‘GstStructure {aka const struct _GstStructure}’ has no member named ‘next_segmen’
          g_print(s->next_segmen);
                   ^

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[Gst-Geek]

Shubham,

Your understanding about GstStructure is wrong. GstStructure is not data
data structure but is a GObject.
A GstStructure is a collection of key/value pairs. The keys are expressed as
GQuarks and the values can be of any GType.

Use gst_structure_get_string, gst_structure_get_int,
gst_structure_get_double and etc for respective data type.

Refer for more information
https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html
<https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html>  



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