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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 01:00:37 +00:00
rtpasfdepay: Port to 0.11
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parent
2dc2be5e7b
commit
77106101fa
1 changed files with 50 additions and 38 deletions
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@ -51,8 +51,8 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_STATIC_CAPS (SINK_CAPS)
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);
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GST_BOILERPLATE (GstRtpAsfDepay, gst_rtp_asf_depay, GstBaseRTPDepayload,
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GST_TYPE_BASE_RTP_DEPAYLOAD);
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#define gst_rtp_asf_depay_parent_class parent_class
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G_DEFINE_TYPE (GstRtpAsfDepay, gst_rtp_asf_depay, GST_TYPE_BASE_RTP_DEPAYLOAD);
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static void gst_rtp_asf_depay_finalize (GObject * object);
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@ -64,23 +64,6 @@ static gboolean gst_rtp_asf_depay_setcaps (GstBaseRTPDepayload * depay,
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static GstBuffer *gst_rtp_asf_depay_process (GstBaseRTPDepayload * basedepay,
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GstBuffer * buf);
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static void
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gst_rtp_asf_depay_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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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,
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"RTP ASF packet depayloader", "Codec/Depayloader/Network",
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"Extracts ASF streams from RTP",
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"Tim-Philipp Müller <tim centricular net>, "
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"Wim Taymans <wim.taymans@gmail.com>");
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}
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static void
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gst_rtp_asf_depay_class_init (GstRtpAsfDepayClass * klass)
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{
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@ -92,6 +75,17 @@ gst_rtp_asf_depay_class_init (GstRtpAsfDepayClass * klass)
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gstelement_class = (GstElementClass *) klass;
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gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
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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,
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"RTP ASF packet depayloader", "Codec/Depayloader/Network",
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"Extracts ASF streams from RTP",
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"Tim-Philipp Müller <tim centricular net>, "
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"Wim Taymans <wim.taymans@gmail.com>");
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gobject_class->finalize = gst_rtp_asf_depay_finalize;
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gstelement_class->change_state =
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@ -107,7 +101,7 @@ gst_rtp_asf_depay_class_init (GstRtpAsfDepayClass * klass)
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}
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static void
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gst_rtp_asf_depay_init (GstRtpAsfDepay * depay, GstRtpAsfDepayClass * klass)
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gst_rtp_asf_depay_init (GstRtpAsfDepay * depay)
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{
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depay->adapter = gst_adapter_new ();
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}
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@ -179,13 +173,11 @@ gst_rtp_asf_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
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src_caps = gst_caps_new_simple ("video/x-ms-asf", NULL);
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gst_pad_set_caps (depayload->srcpad, src_caps);
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gst_caps_unref (src_caps);
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buf = gst_buffer_new ();
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GST_BUFFER_DATA (buf) = headers;
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GST_BUFFER_MALLOCDATA (buf) = headers;
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GST_BUFFER_SIZE (buf) = headers_len;
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gst_buffer_set_caps (buf, src_caps);
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gst_caps_unref (src_caps);
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gst_buffer_take_memory (buf, -1,
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gst_memory_new_wrapped (0, headers, g_free, headers_len, 0, headers_len));
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gst_base_rtp_depayload_push (depayload, buf);
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@ -256,13 +248,18 @@ static void
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gst_rtp_asf_depay_set_padding (GstRtpAsfDepay * depayload,
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GstBuffer * buf, guint32 padding)
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{
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guint8 *data = GST_BUFFER_DATA (buf);
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gpointer bufdata;
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gsize bufsize;
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guint8 *data;
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gint offset = 0;
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guint8 aux;
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guint8 seq_type;
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guint8 pad_type;
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guint8 pkt_type;
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bufdata = gst_buffer_map (buf, &bufsize, NULL, GST_MAP_READ);
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data = bufdata;
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aux = data[offset++];
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if (aux & 0x80) {
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guint8 err_len = 0;
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@ -270,6 +267,7 @@ gst_rtp_asf_depay_set_padding (GstRtpAsfDepay * depayload,
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GST_WARNING_OBJECT (depayload, "Error correction length type should be "
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"set to 0");
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/* this packet doesn't follow the spec */
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gst_buffer_unmap (buf, bufdata, bufsize);
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return;
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}
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err_len = aux & 0x0F;
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@ -307,6 +305,7 @@ gst_rtp_asf_depay_set_padding (GstRtpAsfDepay * depayload,
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default:
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break;
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}
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gst_buffer_unmap (buf, bufdata, bufsize);
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}
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/* Docs: 'RTSP Protocol PDF' document from http://sdp.ppona.com/ (page 8) */
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@ -321,6 +320,10 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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guint payload_len, hdr_len, offset;
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guint len_offs;
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GstClockTime timestamp;
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gpointer bufdata;
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guint8 *data;
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gsize bufsize;
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GstRTPBuffer rtpbuf;
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depay = GST_RTP_ASF_DEPAY (depayload);
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@ -331,10 +334,11 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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depay->discont = TRUE;
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}
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gst_rtp_buffer_map (buf, GST_MAP_READ, &rtpbuf);
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timestamp = GST_BUFFER_TIMESTAMP (buf);
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payload_len = gst_rtp_buffer_get_payload_len (buf);
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payload = gst_rtp_buffer_get_payload (buf);
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payload_len = gst_rtp_buffer_get_payload_len (&rtpbuf);
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payload = gst_rtp_buffer_get_payload (&rtpbuf);
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offset = 0;
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GST_LOG_OBJECT (depay, "got payload len of %u", payload_len);
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@ -430,10 +434,11 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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if (len_offs == (available = gst_adapter_available (depay->adapter))) {
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/* fragment aligns with what we have, add it */
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GST_LOG_OBJECT (depay, "collecting fragment");
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sub = gst_rtp_buffer_get_payload_subbuffer (buf, offset, packet_len);
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sub =
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gst_rtp_buffer_get_payload_subbuffer (&rtpbuf, offset, packet_len);
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gst_adapter_push (depay->adapter, sub);
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/* RTP marker bit M is set if this is last fragment */
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if (gst_rtp_buffer_get_marker (buf)) {
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if (gst_rtp_buffer_get_marker (&rtpbuf)) {
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GST_LOG_OBJECT (depay, "last fragment, assembling packet");
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outbuf =
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gst_adapter_take_buffer (depay->adapter, available + packet_len);
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@ -448,7 +453,8 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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}
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} else {
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GST_LOG_OBJECT (depay, "collecting packet");
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outbuf = gst_rtp_buffer_get_payload_subbuffer (buf, offset, packet_len);
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outbuf =
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gst_rtp_buffer_get_payload_subbuffer (&rtpbuf, offset, packet_len);
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}
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/* If we haven't completed a full ASF packet, return */
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@ -456,25 +462,27 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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return NULL;
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/* we need to pad with zeroes to packet_size if it's smaller */
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g_assert (packet_len == GST_BUFFER_SIZE (outbuf));
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packet_len = GST_BUFFER_SIZE (outbuf);
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bufdata = gst_buffer_map (outbuf, &bufsize, NULL, GST_MAP_READ);
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g_assert (packet_len == bufsize);
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packet_len = bufsize;
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if (packet_len < depay->packet_size) {
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GstBuffer *tmp;
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GST_LOG_OBJECT (depay, "padding buffer size %d to packet size %d",
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packet_len, depay->packet_size);
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tmp = gst_buffer_new_and_alloc (depay->packet_size);
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memcpy (GST_BUFFER_DATA (tmp), GST_BUFFER_DATA (outbuf), packet_len);
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gst_buffer_copy_into (tmp, outbuf, GST_BUFFER_COPY_ALL, 0, packet_len);
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gst_buffer_unmap (outbuf, bufdata, bufsize);
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gst_buffer_unref (outbuf);
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outbuf = tmp;
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memset (GST_BUFFER_DATA (outbuf) + packet_len, 0,
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depay->packet_size - packet_len);
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bufdata = gst_buffer_map (outbuf, &bufsize, NULL, GST_MAP_WRITE);
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data = (guint8 *) bufdata;
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memset (data + packet_len, 0, depay->packet_size - packet_len);
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gst_rtp_asf_depay_set_padding (depay, outbuf,
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depay->packet_size - packet_len);
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}
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (depayload->srcpad));
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if (!S)
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GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
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@ -486,6 +494,7 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
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gst_buffer_unmap (outbuf, bufdata, bufsize);
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gst_base_rtp_depayload_push (depayload, outbuf);
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/* only apply the timestamp to the first buffer of this packet */
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@ -497,11 +506,14 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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payload_len -= packet_len;
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} while (payload_len > 0);
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gst_rtp_buffer_unmap (&rtpbuf);
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return NULL;
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/* ERRORS */
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too_small:
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{
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gst_rtp_buffer_unmap (&rtpbuf);
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GST_WARNING_OBJECT (depayload, "Payload too small, expected at least 4 "
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"bytes for header, but got only %d bytes", payload_len);
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return NULL;
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