mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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multipart: port to 0.11
This commit is contained in:
Wim Taymans
parent
caf1760694
commit
8926a8f753
3 changed files with 80 additions and 114 deletions
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@ -126,23 +126,8 @@ static void gst_multipart_get_property (GObject * object, guint prop_id,
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static void gst_multipart_demux_finalize (GObject * object);
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GST_BOILERPLATE (GstMultipartDemux, gst_multipart_demux, GstElement,
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GST_TYPE_ELEMENT);
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static void
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gst_multipart_demux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&multipart_demux_sink_template_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&multipart_demux_src_template_factory));
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gst_element_class_set_details_simple (element_class, "Multipart demuxer",
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"Codec/Demuxer",
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"demux multipart streams",
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"Wim Taymans <wim.taymans@gmail.com>, Sjoerd Simons <sjoerd@luon.net>");
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}
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#define gst_multipart_demux_parent_class parent_class
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G_DEFINE_TYPE (GstMultipartDemux, gst_multipart_demux, GST_TYPE_ELEMENT);
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static void
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gst_multipart_demux_class_init (GstMultipartDemuxClass * klass)
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@ -189,11 +174,19 @@ gst_multipart_demux_class_init (GstMultipartDemuxClass * klass)
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}
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gstelement_class->change_state = gst_multipart_demux_change_state;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&multipart_demux_sink_template_factory));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&multipart_demux_src_template_factory));
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gst_element_class_set_details_simple (gstelement_class, "Multipart demuxer",
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"Codec/Demuxer",
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"demux multipart streams",
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"Wim Taymans <wim.taymans@gmail.com>, Sjoerd Simons <sjoerd@luon.net>");
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}
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static void
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gst_multipart_demux_init (GstMultipartDemux * multipart,
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GstMultipartDemuxClass * g_class)
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gst_multipart_demux_init (GstMultipartDemux * multipart)
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{
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/* create the sink pad */
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multipart->sinkpad =
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@ -392,7 +385,7 @@ multipart_parse_header (GstMultipartDemux * multipart)
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guint8 *end, *next;
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datalen = gst_adapter_available (multipart->adapter);
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data = gst_adapter_peek (multipart->adapter, datalen);
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data = gst_adapter_map (multipart->adapter, datalen);
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dataend = data + datalen;
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/* Skip leading whitespace, pos endposition should at least leave space for
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@ -400,9 +393,8 @@ multipart_parse_header (GstMultipartDemux * multipart)
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for (pos = (guint8 *) data; pos < dataend - 4 && g_ascii_isspace (*pos);
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pos++);
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if (pos >= dataend - 4) {
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return MULTIPART_NEED_MORE_DATA;
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}
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if (pos >= dataend - 4)
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goto need_more_data;
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if (G_UNLIKELY (pos[0] != '-' || pos[1] != '-')) {
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GST_DEBUG_OBJECT (multipart, "No boundary available");
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@ -411,7 +403,7 @@ multipart_parse_header (GstMultipartDemux * multipart)
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/* First the boundary */
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if (!get_line_end (pos, dataend, &end, &next))
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return MULTIPART_NEED_MORE_DATA;
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goto need_more_data;
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/* Ignore the leading -- */
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boundary_len = end - pos - 2;
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@ -430,9 +422,9 @@ multipart_parse_header (GstMultipartDemux * multipart)
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* invalid */
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if (G_UNLIKELY (boundary_len == multipart->boundary_len + 2 &&
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!strncmp (boundary, multipart->boundary, multipart->boundary_len) &&
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!strncmp (boundary + multipart->boundary_len, "--", 2))) {
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return MULTIPART_DATA_EOS;
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}
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!strncmp (boundary + multipart->boundary_len, "--", 2)))
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goto eos;
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GST_DEBUG_OBJECT (multipart,
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"Boundary length doesn't match detected boundary (%d <> %d",
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boundary_len, multipart->boundary_len);
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@ -442,7 +434,6 @@ multipart_parse_header (GstMultipartDemux * multipart)
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goto wrong_header;
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}
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pos = next;
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while (get_line_end (pos, dataend, &end, &next)) {
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guint len = end - pos;
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@ -452,6 +443,7 @@ multipart_parse_header (GstMultipartDemux * multipart)
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GST_DEBUG_OBJECT (multipart,
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"Parsed the header - boundary: %s, mime-type: %s, content-length: %d",
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multipart->boundary, multipart->mime_type, multipart->content_length);
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gst_adapter_unmap (multipart->adapter, 0);
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return next - data;
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}
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@ -471,15 +463,26 @@ multipart_parse_header (GstMultipartDemux * multipart)
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}
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pos = next;
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}
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need_more_data:
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GST_DEBUG_OBJECT (multipart, "Need more data for the header");
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gst_adapter_unmap (multipart->adapter, 0);
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return MULTIPART_NEED_MORE_DATA;
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wrong_header:
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{
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GST_ELEMENT_ERROR (multipart, STREAM, DEMUX, (NULL),
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("Boundary not found in the multipart header"));
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gst_adapter_unmap (multipart->adapter, 0);
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return MULTIPART_DATA_ERROR;
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}
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eos:
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{
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GST_DEBUG_OBJECT (multipart, "we are EOS");
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gst_adapter_unmap (multipart->adapter, 0);
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return MULTIPART_DATA_EOS;
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}
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}
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static gint
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@ -495,14 +498,16 @@ multipart_find_boundary (GstMultipartDemux * multipart, gint * datalen)
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len = multipart->content_length;
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if (gst_adapter_available (multipart->adapter) >= len + 2) {
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*datalen = len;
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data = gst_adapter_peek (multipart->adapter, len + 1);
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data = gst_adapter_map (multipart->adapter, len + 1);
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/* If data[len] contains \r then assume a newline is \r\n */
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if (data[len] == '\r')
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len += 2;
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else if (data[len] == '\n')
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len += 1;
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/* Don't check if boundary is actually there, but let the header parsing
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gst_adapter_unmap (multipart->adapter, 0);
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/* Don't check if boundary is actually there, but let the header parsing
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* bail out if it isn't */
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return len;
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} else {
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@ -514,7 +519,7 @@ multipart_find_boundary (GstMultipartDemux * multipart, gint * datalen)
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len = gst_adapter_available (multipart->adapter);
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if (len == 0)
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return MULTIPART_NEED_MORE_DATA;
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data = gst_adapter_peek (multipart->adapter, len);
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data = gst_adapter_map (multipart->adapter, len);
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dataend = data + len;
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for (pos = data + multipart->scanpos;
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@ -530,10 +535,12 @@ multipart_find_boundary (GstMultipartDemux * multipart, gint * datalen)
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len -= 1;
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*datalen = len;
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gst_adapter_unmap (multipart->adapter, 0);
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multipart->scanpos = 0;
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return pos - data;
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}
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}
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gst_adapter_unmap (multipart->adapter, 0);
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multipart->scanpos = pos - data;
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return MULTIPART_NEED_MORE_DATA;
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}
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@ -591,13 +598,14 @@ gst_multipart_demux_chain (GstPad * pad, GstBuffer * buf)
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outbuf = gst_adapter_take_buffer (adapter, datalen);
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gst_adapter_flush (adapter, size - datalen);
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (srcpad->pad));
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if (created) {
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GstTagList *tags;
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GstSegment segment;
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gst_segment_init (&segment, GST_FORMAT_TIME);
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/* Push new segment, first buffer has 0 timestamp */
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gst_pad_push_event (srcpad->pad,
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gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
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gst_pad_push_event (srcpad->pad, gst_event_new_segment (&segment));
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tags =
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gst_tag_list_new_full (GST_TAG_CONTAINER_FORMAT, "Multipart", NULL);
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@ -610,8 +618,6 @@ gst_multipart_demux_chain (GstPad * pad, GstBuffer * buf)
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GST_DEBUG_OBJECT (multipart,
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"pushing buffer with timestamp %" GST_TIME_FORMAT,
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
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GST_DEBUG_OBJECT (multipart, "buffer has caps %" GST_PTR_FORMAT,
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GST_BUFFER_CAPS (outbuf));
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res = gst_pad_push (srcpad->pad, outbuf);
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res = gst_multipart_combine_flows (multipart, srcpad, res);
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if (res != GST_FLOW_OK)
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@ -75,16 +75,12 @@ static const MimeTypeMap mimetypes[] = {
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{NULL, NULL}
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};
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static void gst_multipart_mux_base_init (gpointer g_class);
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static void gst_multipart_mux_class_init (GstMultipartMuxClass * klass);
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static void gst_multipart_mux_init (GstMultipartMux * multipart_mux);
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static void gst_multipart_mux_finalize (GObject * object);
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static gboolean gst_multipart_mux_handle_src_event (GstPad * pad,
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GstEvent * event);
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static GstPad *gst_multipart_mux_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name);
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GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
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static GstStateChangeReturn gst_multipart_mux_change_state (GstElement *
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element, GstStateChange transition);
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@ -96,46 +92,8 @@ static void gst_multipart_mux_set_property (GObject * object, guint prop_id,
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static void gst_multipart_mux_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstElementClass *parent_class = NULL;
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GType
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gst_multipart_mux_get_type (void)
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{
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static GType multipart_mux_type = 0;
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if (!multipart_mux_type) {
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static const GTypeInfo multipart_mux_info = {
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sizeof (GstMultipartMuxClass),
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gst_multipart_mux_base_init,
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NULL,
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(GClassInitFunc) gst_multipart_mux_class_init,
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NULL,
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NULL,
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sizeof (GstMultipartMux),
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0,
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(GInstanceInitFunc) gst_multipart_mux_init,
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};
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multipart_mux_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstMultipartMux",
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&multipart_mux_info, 0);
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}
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return multipart_mux_type;
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}
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static void
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gst_multipart_mux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_set_details_simple (element_class, "Multipart muxer",
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"Codec/Muxer", "mux multipart streams", "Wim Taymans <wim@fluendo.com>");
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}
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#define gst_multipart_mux_parent_class parent_class
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G_DEFINE_TYPE (GstMultipartMux, gst_multipart_mux, GST_TYPE_ELEMENT);
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static void
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gst_multipart_mux_class_init (GstMultipartMuxClass * klass)
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@ -160,6 +118,14 @@ gst_multipart_mux_class_init (GstMultipartMuxClass * klass)
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gstelement_class->request_new_pad = gst_multipart_mux_request_new_pad;
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gstelement_class->change_state = gst_multipart_mux_change_state;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_factory));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_set_details_simple (gstelement_class, "Multipart muxer",
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"Codec/Muxer", "mux multipart streams", "Wim Taymans <wim@fluendo.com>");
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/* populate mime types */
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klass->mimetypes = g_hash_table_new (g_str_hash, g_str_equal);
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for (i = 0; mimetypes[i].key; i++) {
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@ -205,7 +171,7 @@ gst_multipart_mux_finalize (GObject * object)
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static GstPad *
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gst_multipart_mux_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * req_name)
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GstPadTemplate * templ, const gchar * req_name, const GstCaps * caps)
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{
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GstMultipartMux *multipart_mux;
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GstPad *newpad;
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@ -232,6 +198,7 @@ gst_multipart_mux_request_new_pad (GstElement * element,
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sizeof (GstMultipartPadData));
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/* save a pointer to our data in the pad */
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multipartpad->pad = newpad;
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gst_pad_set_element_private (newpad, multipartpad);
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multipart_mux->numpads++;
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}
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@ -430,6 +397,7 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
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GstBuffer *footerbuf = NULL;
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GstBuffer *databuf = NULL;
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GstStructure *structure = NULL;
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GstCaps *caps;
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const gchar *mime;
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GST_DEBUG_OBJECT (mux, "all pads are collected");
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@ -460,8 +428,8 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
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/* see if we need to push a segment */
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if (mux->need_segment) {
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GstEvent *event;
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GstClockTime time;
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GstSegment segment;
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if (best->timestamp != -1)
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time = best->timestamp;
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@ -470,32 +438,35 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
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/* for the segment, we take the first timestamp we see, we don't know the
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* length and the position is 0 */
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event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
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time, -1, 0);
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gst_segment_init (&segment, GST_FORMAT_TIME);
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segment.start = time;
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gst_pad_push_event (mux->srcpad, event);
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gst_pad_push_event (mux->srcpad, gst_event_new_segment (&segment));
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mux->need_segment = FALSE;
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}
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structure = gst_caps_get_structure (GST_BUFFER_CAPS (best->buffer), 0);
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if (!structure)
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caps = gst_pad_get_current_caps (best->pad);
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if (caps == NULL)
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goto no_caps;
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structure = gst_caps_get_structure (caps, 0);
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if (!structure) {
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gst_caps_unref (caps);
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goto no_caps;
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}
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/* get the mime type for the structure */
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mime = gst_multipart_mux_get_mime (mux, structure);
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gst_caps_unref (caps);
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header = g_strdup_printf ("--%s\r\nContent-Type: %s\r\n"
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"Content-Length: %u\r\n\r\n",
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mux->boundary, mime, GST_BUFFER_SIZE (best->buffer));
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"Content-Length: %" G_GSIZE_FORMAT "\r\n\r\n",
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mux->boundary, mime, gst_buffer_get_size (best->buffer));
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headerlen = strlen (header);
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ret = gst_pad_alloc_buffer_and_set_caps (mux->srcpad, GST_BUFFER_OFFSET_NONE,
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headerlen, GST_PAD_CAPS (mux->srcpad), &headerbuf);
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if (ret != GST_FLOW_OK)
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goto alloc_failed;
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memcpy (GST_BUFFER_DATA (headerbuf), header, headerlen);
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headerbuf = gst_buffer_new_allocate (NULL, headerlen, 1);
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gst_buffer_fill (headerbuf, 0, header, headerlen);
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g_free (header);
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/* the header has the same timestamp as the data buffer (which we will push
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@ -516,31 +487,26 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
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/* take best->buffer, we don't need to unref it later as we will push it
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* now. */
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databuf = gst_buffer_make_metadata_writable (best->buffer);
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databuf = gst_buffer_make_writable (best->buffer);
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best->buffer = NULL;
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gst_buffer_set_caps (databuf, GST_PAD_CAPS (mux->srcpad));
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/* we need to updated the timestamp to match the running_time */
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GST_BUFFER_TIMESTAMP (databuf) = best->timestamp;
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GST_BUFFER_OFFSET (databuf) = mux->offset;
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mux->offset += GST_BUFFER_SIZE (databuf);
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mux->offset += gst_buffer_get_size (databuf);
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GST_BUFFER_OFFSET_END (databuf) = mux->offset;
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GST_BUFFER_FLAG_SET (databuf, GST_BUFFER_FLAG_DELTA_UNIT);
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GST_DEBUG_OBJECT (mux, "pushing %u bytes data buffer",
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GST_BUFFER_SIZE (databuf));
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GST_DEBUG_OBJECT (mux, "pushing %" G_GSIZE_FORMAT " bytes data buffer",
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gst_buffer_get_size (databuf));
|
||||
ret = gst_pad_push (mux->srcpad, databuf);
|
||||
if (ret != GST_FLOW_OK)
|
||||
/* push always takes ownership of the buffer, even after an error, so we
|
||||
* don't need to unref headerbuf here. */
|
||||
goto beach;
|
||||
|
||||
ret = gst_pad_alloc_buffer_and_set_caps (mux->srcpad, GST_BUFFER_OFFSET_NONE,
|
||||
2, GST_PAD_CAPS (mux->srcpad), &footerbuf);
|
||||
if (ret != GST_FLOW_OK)
|
||||
goto alloc_failed;
|
||||
|
||||
memcpy (GST_BUFFER_DATA (footerbuf), "\r\n", 2);
|
||||
footerbuf = gst_buffer_new_allocate (NULL, 2, 1);
|
||||
gst_buffer_fill (footerbuf, 0, "\r\n", 2);
|
||||
|
||||
/* the footer has the same timestamp as the data buffer and has a
|
||||
* duration of 0 */
|
||||
|
|
@ -590,13 +556,6 @@ no_caps:
|
|||
ret = GST_FLOW_NOT_NEGOTIATED;
|
||||
goto beach;
|
||||
}
|
||||
alloc_failed:
|
||||
{
|
||||
GST_WARNING_OBJECT (mux,
|
||||
"failed allocating a %" G_GSIZE_FORMAT " bytes buffer", headerlen);
|
||||
g_free (header);
|
||||
goto beach;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
|||
|
|
@ -47,6 +47,7 @@ typedef struct
|
|||
GstBuffer *buffer; /* the queued buffer for this pad */
|
||||
GstClockTime timestamp; /* its timestamp, converted to running_time so that we can
|
||||
correctly sort over multiple segments. */
|
||||
GstPad *pad;
|
||||
}
|
||||
GstMultipartPadData;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue