C++ (Cpp) mxf_primer_pack_reset Examples

Example #1

File: mxfmux.c Project: ChinnaSuhas/ossbuild

static void
gst_mxf_mux_reset (GstMXFMux * mux)
{
  GSList *sl;

  while ((sl = mux->collect->data) != NULL) {
    GstMXFMuxPad *cpad = (GstMXFMuxPad *) sl->data;

    g_object_unref (cpad->adapter);
    g_free (cpad->mapping_data);

    gst_collect_pads_remove_pad (mux->collect, cpad->collect.pad);
  }

  mux->state = GST_MXF_MUX_STATE_HEADER;
  mux->n_pads = 0;

  if (mux->metadata) {
    g_hash_table_destroy (mux->metadata);
    mux->preface = NULL;
    g_list_free (mux->metadata_list);
    mux->metadata_list = NULL;
  }
  mux->metadata = mxf_metadata_hash_table_new ();

  mxf_partition_pack_reset (&mux->partition);
  mxf_primer_pack_reset (&mux->primer);
  memset (&mux->min_edit_rate, 0, sizeof (MXFFraction));
  mux->last_gc_timestamp = 0;
  mux->last_gc_position = 0;
  mux->offset = 0;
}

Example #2

File: mxfmux.c Project: ndufresne/gst-plugins-bad

static void
gst_mxf_mux_reset (GstMXFMux * mux)
{
  GList *l;

  GST_OBJECT_LOCK (mux);
  while ((l = GST_ELEMENT_CAST (mux)->sinkpads) != NULL) {
    GstPad *pad = (GstPad *) l->data;

    gst_object_ref (pad);
    GST_OBJECT_UNLOCK (mux);
    gst_element_release_request_pad (GST_ELEMENT_CAST (mux), pad);
    gst_object_unref (pad);
    GST_OBJECT_LOCK (mux);
  }
  GST_OBJECT_UNLOCK (mux);

  mux->state = GST_MXF_MUX_STATE_HEADER;
  mux->n_pads = 0;

  if (mux->metadata) {
    g_hash_table_destroy (mux->metadata);
    mux->preface = NULL;
    g_list_free (mux->metadata_list);
    mux->metadata_list = NULL;
  }
  mux->metadata = mxf_metadata_hash_table_new ();

  mxf_partition_pack_reset (&mux->partition);
  mxf_primer_pack_reset (&mux->primer);
  memset (&mux->min_edit_rate, 0, sizeof (MXFFraction));
  mux->last_gc_timestamp = 0;
  mux->last_gc_position = 0;
  mux->offset = 0;
}

Example #3

File: mxfparse.c Project: prajnashi/gst-plugins-bad

gboolean
mxf_primer_pack_parse (const MXFUL * key, MXFPrimerPack * pack,
    const guint8 * data, guint size)
{
  guint i;
  guint32 n;

  g_return_val_if_fail (data != NULL, FALSE);
  g_return_val_if_fail (size >= 8, FALSE);

  memset (pack, 0, sizeof (MXFPrimerPack));

  GST_DEBUG ("Parsing primer pack:");

  pack->mappings =
      g_hash_table_new_full (g_direct_hash, g_direct_equal,
      (GDestroyNotify) NULL, (GDestroyNotify) _mxf_mapping_ul_free);

  n = GST_READ_UINT32_BE (data);
  data += 4;

  GST_DEBUG ("  number of mappings = %u", n);

  if (GST_READ_UINT32_BE (data) != 18)
    goto error;
  data += 4;

  if (size < 8 + n * 18)
    goto error;

  for (i = 0; i < n; i++) {
    guint local_tag;
#ifndef GST_DISABLE_GST_DEBUG
    gchar str[48];
#endif
    MXFUL *uid;

    local_tag = GST_READ_UINT16_BE (data);
    data += 2;

    if (g_hash_table_lookup (pack->mappings, GUINT_TO_POINTER (local_tag)))
      continue;

    uid = g_slice_new (MXFUL);
    memcpy (uid, data, 16);
    data += 16;

    g_hash_table_insert (pack->mappings, GUINT_TO_POINTER (local_tag), uid);
    GST_DEBUG ("  Adding mapping = 0x%04x -> %s", local_tag,
        mxf_ul_to_string (uid, str));
  }

  pack->valid = TRUE;

  return TRUE;

error:
  GST_DEBUG ("Invalid primer pack");
  mxf_primer_pack_reset (pack);
  return FALSE;
}