}
break;
}
+ case FOURCC_av01:
+ {
+ gint len = QT_UINT32 (stsd_entry_data) - 0x56;
+ const guint8 *av1_data = stsd_entry_data + 0x56;
+
+ /* find av1C */
+ while (len >= 0x8) {
+ gint size;
+
+ if (QT_UINT32 (av1_data) <= len)
+ size = QT_UINT32 (av1_data) - 0x8;
+ else
+ size = len - 0x8;
+
+ if (size < 1)
+ /* No real data, so break out */
+ break;
+
+ switch (QT_FOURCC (av1_data + 0x4)) {
+ case FOURCC_av1C:
+ {
+ /* parse, if found */
+ GstBuffer *buf;
+ guint8 pres_delay_field;
+
+ GST_DEBUG_OBJECT (qtdemux,
+ "found av1C codec_data in stsd of size %d", size);
+
+ /* not enough data, just ignore and hope for the best */
+ if (size < 5)
+ break;
+
+ /* Content is:
+ * 4 bytes: atom length
+ * 4 bytes: fourcc
+ * 1 byte: version
+ * 3 bytes: flags
+ * 3 bits: reserved
+ * 1 bits: initial_presentation_delay_present
+ * 4 bits: initial_presentation_delay (if present else reserved
+ * rest: OBUs.
+ */
+
+ if (av1_data[9] != 0) {
+ GST_WARNING ("Unknown version %d of av1C box", av1_data[9]);
+ break;
+ }
+
+ /* We skip initial_presentation_delay* for now */
+ pres_delay_field = *(av1_data + 12);
+ if (pres_delay_field & (1 << 5)) {
+ gst_caps_set_simple (entry->caps,
+ "presentation-delay", G_TYPE_INT,
+ (gint) (pres_delay_field & 0x0F) + 1, NULL);
+ }
+ if (size > 5) {
+ buf = gst_buffer_new_and_alloc (size - 5);
+ GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
+ gst_buffer_fill (buf, 0, av1_data + 13, size - 5);
+ gst_caps_set_simple (entry->caps,
+ "codec_data", GST_TYPE_BUFFER, buf, NULL);
+ gst_buffer_unref (buf);
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ len -= size + 8;
+ av1_data += size + 8;
+ }
+
+ break;
+ }
default:
break;
}