- } else if (!gst_structure_has_name (s, "video/x-h264")) {
- return caps;
- }
-
- GST_DEBUG_OBJECT (avi, "checking caps %" GST_PTR_FORMAT, caps);
-
- /* some muxers put invalid bytestream stuff in h264 extra data */
- val = gst_structure_get_value (s, "codec_data");
- if (val && (buf = gst_value_get_buffer (val))) {
- guint8 *data;
- gint size;
- GstMapInfo map;
-
- gst_buffer_map (buf, &map, GST_MAP_READ);
- data = map.data;
- size = map.size;
- if (size >= 4) {
- guint32 h = GST_READ_UINT32_BE (data);
- gst_buffer_unmap (buf, &map);
- if (h == 0x01) {
- /* can hardly be valid AVC codec data */
- GST_DEBUG_OBJECT (avi,
- "discarding invalid codec_data containing byte-stream");
- /* so do not pretend to downstream that it is packetized avc */
- gst_structure_remove_field (s, "codec_data");
- /* ... but rather properly parsed bytestream */
- gst_structure_set (s, "stream-format", G_TYPE_STRING, "byte-stream",
- "alignment", G_TYPE_STRING, "au", NULL);
+ } else if (gst_structure_has_name (s, "video/x-h264")) {
+ GST_DEBUG_OBJECT (avi, "checking caps %" GST_PTR_FORMAT, caps);
+
+ /* some muxers put invalid bytestream stuff in h264 extra data */
+ val = gst_structure_get_value (s, "codec_data");
+ if (val && (buf = gst_value_get_buffer (val))) {
+ guint8 *data;
+ gint size;
+ GstMapInfo map;
+
+ gst_buffer_map (buf, &map, GST_MAP_READ);
+ data = map.data;
+ size = map.size;
+ if (size >= 4) {
+ guint32 h = GST_READ_UINT32_BE (data);
+
+ gst_buffer_unmap (buf, &map);
+ if (h == 0x01 || (h >> 8) == 0x01) {
+ /* can hardly be valid AVC codec data */
+ GST_DEBUG_OBJECT (avi,
+ "discarding invalid codec_data containing byte-stream");
+ /* so do not pretend to downstream that it is packetized avc */
+ gst_structure_remove_field (s, "codec_data");
+ /* ... but rather properly parsed bytestream */
+ gst_structure_set (s, "stream-format", G_TYPE_STRING, "byte-stream",
+ "alignment", G_TYPE_STRING, "au", NULL);
+ }
+ } else {
+ gst_buffer_unmap (buf, &map);