gst_asf_parse_packet (GstBuffer * buffer, GstAsfPacketInfo * packet,
gboolean trust_delta_flag, guint packet_size)
{
+ gboolean ret;
+ GstMapInfo map;
+
+ gst_buffer_map (buffer, &map, GST_MAP_READ);
+ ret = gst_asf_parse_packet_from_data (map.data, map.size, buffer, packet,
+ trust_delta_flag, packet_size);
+ gst_buffer_unmap (buffer, &map);
+
+ return ret;
+}
+
+gboolean
+gst_asf_parse_packet_from_data (guint8 * data, gsize size, GstBuffer * buffer,
+ GstAsfPacketInfo * packet, gboolean trust_delta_flag, guint packet_size)
+{
/* Might be useful in future:
guint8 rep_data_len_type;
guint8 mo_number_len_type;
gboolean has_keyframe;
GstMapInfo map;
- if (packet_size != 0 && gst_buffer_get_size (buffer) != packet_size) {
+ if (packet_size != 0 && size != packet_size) {
GST_WARNING ("ASF packets should be aligned with buffers");
return FALSE;
}
- gst_buffer_map (buffer, &map, GST_MAP_READ);
- reader = gst_byte_reader_new (map.data, map.size);
+ reader = gst_byte_reader_new (data, size);
- GST_LOG ("Starting packet parsing, size: %" G_GSIZE_FORMAT,
- gst_buffer_get_size (buffer));
+ GST_LOG ("Starting packet parsing, size: %" G_GSIZE_FORMAT, size);
if (!gst_byte_reader_get_uint8 (reader, &first))
goto error;
packet->seq_field_type = seq_len_type;
packet->err_cor_len = err_length;
- gst_buffer_unmap (buffer, &map);
gst_byte_reader_free (reader);
return ret;
return ret;
}
+static GstFlowReturn
+gst_asf_parse_parse_packet (GstAsfParse * asfparse, GstBaseParseFrame * frame,
+ GstMapInfo * map)
+{
+ GstBuffer *buffer = frame->buffer;
+ GstAsfPacketInfo *packetinfo = asfparse->packetinfo;
+
+ /* gst_asf_parse_packet_* won't accept size larger than the packet size, so we assume
+ * it will always be packet_size here */
+ g_return_val_if_fail (map->size >= asfparse->asfinfo->packet_size,
+ GST_FLOW_ERROR);
+
+ if (!gst_asf_parse_packet_from_data (map->data,
+ asfparse->asfinfo->packet_size, buffer, packetinfo, FALSE,
+ asfparse->asfinfo->packet_size))
+ goto error;
+
+ GST_DEBUG_OBJECT (asfparse, "Received packet of length %" G_GUINT32_FORMAT
+ ", padding %" G_GUINT32_FORMAT ", send time %" G_GUINT32_FORMAT
+ ", duration %" G_GUINT16_FORMAT " and %s keyframe(s)",
+ packetinfo->packet_size, packetinfo->padding,
+ packetinfo->send_time, packetinfo->duration,
+ (packetinfo->has_keyframe) ? "with" : "without");
+
+ /* set gstbuffer fields */
+ if (!packetinfo->has_keyframe) {
+ GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
+ }
+ GST_BUFFER_TIMESTAMP (buffer) = ((GstClockTime) packetinfo->send_time)
+ * GST_MSECOND;
+ GST_BUFFER_DURATION (buffer) = ((GstClockTime) packetinfo->duration)
+ * GST_MSECOND;
+
+ return GST_FLOW_OK;
+
+error:
+ GST_ERROR_OBJECT (asfparse, "Error while parsing data packet");
+ return GST_FLOW_ERROR;
+}
+
+
/* reads the next object and pushes it through without parsing */
static GstFlowReturn
gst_asf_parse_handle_frame_push_object (GstAsfParse * asfparse,
GST_LOG_OBJECT (asfparse, "Packet parsing");
gst_buffer_map (buffer, &map, GST_MAP_READ);
if (G_LIKELY (map.size >= asfparse->asfinfo->packet_size)) {
- gst_buffer_unmap (buffer, &map);
GST_DEBUG_OBJECT (asfparse, "Parsing packet %" G_GUINT64_FORMAT,
asfparse->parsed_packets);
- asfparse->parsed_packets++;
- gst_base_parse_finish_frame (GST_BASE_PARSE_CAST (asfparse), frame,
- asfparse->asfinfo->packet_size);
- /* test if all packets have been processed */
- if (G_UNLIKELY (!asfparse->asfinfo->broadcast &&
- asfparse->parsed_packets == asfparse->asfinfo->packets_count)) {
- GST_INFO_OBJECT (asfparse,
- "All %" G_GUINT64_FORMAT " packets processed",
- asfparse->parsed_packets);
- asfparse->parse_state = ASF_PARSING_INDEXES;
- gst_base_parse_set_min_frame_size (GST_BASE_PARSE_CAST (asfparse),
- ASF_GUID_OBJSIZE_SIZE);
- }
+ ret = gst_asf_parse_parse_packet (asfparse, frame, &map);
+ gst_buffer_unmap (buffer, &map);
+
+ if (ret == GST_FLOW_OK) {
+ asfparse->parsed_packets++;
+ gst_base_parse_finish_frame (GST_BASE_PARSE_CAST (asfparse), frame,
+ asfparse->asfinfo->packet_size);
+
+ /* test if all packets have been processed */
+ if (G_UNLIKELY (!asfparse->asfinfo->broadcast &&
+ asfparse->parsed_packets == asfparse->asfinfo->packets_count)) {
+ GST_INFO_OBJECT (asfparse,
+ "All %" G_GUINT64_FORMAT " packets processed",
+ asfparse->parsed_packets);
+ asfparse->parse_state = ASF_PARSING_INDEXES;
+ gst_base_parse_set_min_frame_size (GST_BASE_PARSE_CAST (asfparse),
+ ASF_GUID_OBJSIZE_SIZE);
+ }
+ }
} else {
gst_base_parse_set_min_frame_size (GST_BASE_PARSE_CAST (asfparse),
asfparse->asfinfo->packet_size);
return GST_FLOW_ERROR;
}
-
-#if 0
-static GstFlowReturn
-gst_asf_parse_parse_packet (GstAsfParse * asfparse, GstBuffer * buffer)
-{
- GstAsfPacketInfo *packetinfo = asfparse->packetinfo;
-
- if (!gst_asf_parse_packet (buffer, packetinfo, FALSE,
- asfparse->asfinfo->packet_size))
- goto error;
-
- GST_DEBUG_OBJECT (asfparse, "Received packet of length %" G_GUINT32_FORMAT
- ", padding %" G_GUINT32_FORMAT ", send time %" G_GUINT32_FORMAT
- ", duration %" G_GUINT16_FORMAT " and %s keyframe(s)",
- packetinfo->packet_size, packetinfo->padding,
- packetinfo->send_time, packetinfo->duration,
- (packetinfo->has_keyframe) ? "with" : "without");
-
- /* set gstbuffer fields */
- if (!packetinfo->has_keyframe) {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
- GST_BUFFER_TIMESTAMP (buffer) = ((GstClockTime) packetinfo->send_time)
- * GST_MSECOND;
- GST_BUFFER_DURATION (buffer) = ((GstClockTime) packetinfo->duration)
- * GST_MSECOND;
-
- return gst_asf_parse_push (asfparse, buffer);
-
-error:
- GST_ERROR_OBJECT (asfparse, "Error while parsing data packet");
- return GST_FLOW_ERROR;
-}
-
-#endif
-
static void
gst_asf_parse_finalize (GObject * object)
{