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configure.ac: enable building of GDP elements
Original commit message from CVS: * configure.ac: enable building of GDP elements * gst/gdp/gstgdpdepay.c: (gst_gdp_depay_chain): * gst/gdp/gstgdppay.c: (gst_gdp_pay_class_init), (gst_gdp_pay_init), (gst_gdp_buffer_from_caps), (gst_gdp_pay_buffer_from_buffer), (gst_gdp_buffer_from_event), (gst_gdp_pay_reset_streamheader), (gst_gdp_pay_sink_event), (gst_gdp_pay_set_property), (gst_gdp_pay_get_property), (gst_gdp_pay_change_state): * gst/gdp/gstgdppay.h: add version 1.0
This commit is contained in:
Thomas Vander Stichele
Tim-Philipp Müller
parent
a5ef603d20
commit
10c57d9254
3 changed files with 120 additions and 38 deletions
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@ -282,6 +282,8 @@ gst_gdp_depay_chain (GstPad * pad, GstBuffer * buffer)
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goto done;
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}
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/* FIXME: set me as source ? */
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GST_DEBUG_OBJECT (this, "sending deserialized event %p of type %s",
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event, gst_event_type_get_name (event->type));
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gst_pad_push_event (this->srcpad, event);
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GST_LOG_OBJECT (this, "switching to state HEADER");
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@ -61,12 +61,14 @@ GST_DEBUG_CATEGORY (gst_gdp_pay_debug);
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#define DEFAULT_CRC_HEADER TRUE
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#define DEFAULT_CRC_PAYLOAD FALSE
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#define DEFAULT_VERSION GST_DP_VERSION_1_0
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enum
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{
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PROP_0,
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PROP_CRC_HEADER,
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PROP_CRC_PAYLOAD,
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PROP_VERSION,
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};
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#define _do_init(x) \
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@ -125,6 +127,10 @@ gst_gdp_pay_class_init (GstGDPPayClass * klass)
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g_param_spec_boolean ("crc-payload", "CRC Payload",
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"Calculate and store a CRC checksum on the payload",
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DEFAULT_CRC_PAYLOAD, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_VERSION,
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g_param_spec_enum ("version", "Version",
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"Version of the GStreamer Data Protocol",
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GST_TYPE_DP_VERSION, DEFAULT_VERSION, G_PARAM_READWRITE));
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}
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static void
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@ -147,6 +153,7 @@ gst_gdp_pay_init (GstGDPPay * gdppay, GstGDPPayClass * g_class)
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gdppay->crc_header = DEFAULT_CRC_HEADER;
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gdppay->crc_payload = DEFAULT_CRC_PAYLOAD;
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gdppay->header_flag = gdppay->crc_header | gdppay->crc_payload;
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gdppay->version = DEFAULT_VERSION;
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}
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static void
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@ -182,8 +189,8 @@ gst_gdp_buffer_from_caps (GstGDPPay * this, GstCaps * caps)
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guint8 *header, *payload;
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guint len;
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if (!gst_dp_packet_from_caps (caps, this->header_flag, &len, &header,
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&payload)) {
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if (!this->packetizer->packet_from_caps (caps, this->header_flag, &len,
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&header, &payload)) {
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GST_WARNING_OBJECT (this, "could not create GDP header from caps");
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return NULL;
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}
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@ -208,7 +215,8 @@ gst_gdp_pay_buffer_from_buffer (GstGDPPay * this, GstBuffer * buffer)
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guint8 *header;
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guint len;
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if (!gst_dp_header_from_buffer (buffer, this->header_flag, &len, &header)) {
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if (!this->packetizer->header_from_buffer (buffer, this->header_flag, &len,
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&header)) {
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GST_WARNING_OBJECT (this, "could not create GDP header from buffer");
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return NULL;
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}
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@ -230,9 +238,13 @@ gst_gdp_buffer_from_event (GstGDPPay * this, GstEvent * event)
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GstBuffer *payloadbuf;
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guint8 *header, *payload;
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guint len;
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gboolean ret;
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if (!gst_dp_packet_from_event (event, this->header_flag, &len, &header,
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&payload)) {
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ret =
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this->packetizer->packet_from_event (event, this->header_flag, &len,
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&header, &payload);
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if (!ret) {
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GST_WARNING_OBJECT (this, "could not create GDP header from event %s (%d)",
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gst_event_type_get_name (event->type), event->type);
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return NULL;
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@ -259,28 +271,45 @@ gst_gdp_pay_reset_streamheader (GstGDPPay * this)
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{
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GstCaps *caps;
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GstStructure *structure;
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GstBuffer *new_segment_buf, *caps_buf;
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GstBuffer *new_segment_buf = NULL, *caps_buf, *tag_buf = NULL;
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GstFlowReturn r = GST_FLOW_OK;
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gboolean version_one_zero = TRUE;
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GValue array = { 0 };
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GValue value = { 0 };
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/* we need both new segment and caps before we can set streamheader */
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/* In version 0.2, we didn't need or send new segment or tags */
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if (this->version == GST_DP_VERSION_0_2)
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version_one_zero = FALSE;
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if (version_one_zero) {
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if (!this->new_segment_buf || !this->caps_buf)
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return GST_FLOW_OK;
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/* we copy to avoid circular refcounts */
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new_segment_buf = gst_buffer_copy (this->new_segment_buf);
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caps_buf = gst_buffer_copy (this->caps_buf);
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} else {
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if (!this->caps_buf)
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return GST_FLOW_OK;
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}
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/* put copies of the buffers in a fixed list */
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g_value_init (&array, GST_TYPE_ARRAY);
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if (version_one_zero) {
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new_segment_buf = gst_buffer_copy (this->new_segment_buf);
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g_value_init (&value, GST_TYPE_BUFFER);
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gst_value_set_buffer (&value, new_segment_buf);
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gst_value_array_append_value (&array, &value);
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g_value_unset (&value);
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if (this->tag_buf) {
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tag_buf = gst_buffer_copy (this->tag_buf);
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g_value_init (&value, GST_TYPE_BUFFER);
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gst_value_set_buffer (&value, tag_buf);
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gst_value_array_append_value (&array, &value);
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g_value_unset (&value);
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}
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}
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caps_buf = gst_buffer_copy (this->caps_buf);
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g_value_init (&value, GST_TYPE_BUFFER);
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gst_value_set_buffer (&value, caps_buf);
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gst_value_array_append_value (&array, &value);
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@ -325,6 +354,7 @@ gst_gdp_pay_reset_streamheader (GstGDPPay * this)
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g_value_unset (&array);
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/* Unref our copies */
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if (new_segment_buf)
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gst_buffer_unref (new_segment_buf);
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gst_buffer_unref (caps_buf);
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@ -353,6 +383,15 @@ gst_gdp_pay_reset_streamheader (GstGDPPay * this)
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GST_WARNING_OBJECT (this, "pushing GDP newsegment buffer returned %d", r);
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return r;
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}
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if (this->tag_buf) {
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GST_DEBUG_OBJECT (this, "Pushing GDP tag buffer %p", this->tag_buf);
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/* we stored these bufs with refcount 1, so make sure we keep a ref */
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r = gst_pad_push (this->srcpad, gst_buffer_ref (this->tag_buf));
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if (r != GST_FLOW_OK) {
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GST_WARNING_OBJECT (this, "pushing GDP tag buffer returned %d", r);
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return r;
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}
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}
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GST_DEBUG_OBJECT (this, "Pushing GDP caps buffer %p", this->new_segment_buf);
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r = gst_pad_push (this->srcpad, gst_buffer_ref (this->caps_buf));
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if (r != GST_FLOW_OK) {
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@ -498,14 +537,15 @@ gst_gdp_pay_sink_event (GstPad * pad, GstEvent * event)
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GstFlowReturn flowret;
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gboolean ret = TRUE;
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GST_DEBUG_OBJECT (this, "received event %s (%d)",
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gst_event_type_get_name (event->type), event->type);
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GST_DEBUG_OBJECT (this, "received event %p of type %s (%d)",
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event, gst_event_type_get_name (event->type), event->type);
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/* now turn the event into a buffer */
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outbuffer = gst_gdp_buffer_from_event (this, event);
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if (!outbuffer) {
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GST_ELEMENT_WARNING (this, STREAM, ENCODE, (NULL),
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("Could not create GDP buffer from received event"));
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("Could not create GDP buffer from received event (type %s)",
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gst_event_type_get_name (event->type)));
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ret = FALSE;
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goto done;
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}
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@ -515,22 +555,37 @@ gst_gdp_pay_sink_event (GstPad * pad, GstEvent * event)
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/* if we got a new segment, we should put it on our streamheader,
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* and not send it on */
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if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) {
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_NEWSEGMENT:
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GST_DEBUG_OBJECT (this, "received new_segment event");
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if (this->new_segment_buf) {
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gst_buffer_unref (this->new_segment_buf);
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}
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GST_DEBUG_OBJECT (this, "Storing buffer %p as new_segment_buf", outbuffer);
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GST_DEBUG_OBJECT (this, "Storing buffer %p as new_segment_buf",
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outbuffer);
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this->new_segment_buf = outbuffer;
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gst_gdp_pay_reset_streamheader (this);
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} else {
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break;
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case GST_EVENT_TAG:
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GST_DEBUG_OBJECT (this, "received tag event");
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if (this->tag_buf) {
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gst_buffer_unref (this->tag_buf);
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}
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GST_DEBUG_OBJECT (this, "Storing buffer %p as tag_buf", outbuffer);
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this->tag_buf = outbuffer;
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gst_gdp_pay_reset_streamheader (this);
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break;
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default:
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GST_DEBUG_OBJECT (this, "queuing GDP buffer %p of event %p", outbuffer,
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event);
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flowret = gst_gdp_queue_buffer (this, outbuffer);
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if (flowret != GST_FLOW_OK) {
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GST_WARNING_OBJECT (this, "queueing GDP caps buffer returned %d",
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GST_WARNING_OBJECT (this, "queueing GDP event buffer returned %d",
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flowret);
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ret = FALSE;
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goto done;
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}
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break;
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}
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/* if we have EOS, we should send on EOS ourselves */
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@ -556,13 +611,18 @@ gst_gdp_pay_set_property (GObject * object, guint prop_id,
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switch (prop_id) {
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case PROP_CRC_HEADER:
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this->crc_header = g_value_get_boolean (value);
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this->crc_header =
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g_value_get_boolean (value) ? GST_DP_HEADER_FLAG_CRC_HEADER : 0;
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this->header_flag = this->crc_header | this->crc_payload;
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break;
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case PROP_CRC_PAYLOAD:
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this->crc_payload = g_value_get_boolean (value);
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this->crc_payload =
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g_value_get_boolean (value) ? GST_DP_HEADER_FLAG_CRC_PAYLOAD : 0;
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this->header_flag = this->crc_header | this->crc_payload;
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break;
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case PROP_VERSION:
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this->version = g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -585,6 +645,9 @@ gst_gdp_pay_get_property (GObject * object, guint prop_id,
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case PROP_CRC_PAYLOAD:
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g_value_set_boolean (value, this->crc_payload);
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break;
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case PROP_VERSION:
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g_value_set_enum (value, this->version);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@ -597,9 +660,23 @@ gst_gdp_pay_change_state (GstElement * element, GstStateChange transition)
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GstStateChangeReturn ret;
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GstGDPPay *this = GST_GDP_PAY (element);
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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this->packetizer = gst_dp_get_packetizer (this->version);
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (this->packetizer) {
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g_free (this->packetizer);
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this->packetizer = NULL;
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}
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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if (this->caps) {
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gst_caps_unref (this->caps);
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@ -48,6 +48,7 @@ struct _GstGDPPay
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GstBuffer *caps_buf;
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GstBuffer *new_segment_buf;
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GstBuffer *tag_buf;
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gboolean sent_streamheader; /* TRUE after the first streamheaders are sent */
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GList *queue; /* list of queued buffers before streamheaders are sent */
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@ -56,6 +57,8 @@ struct _GstGDPPay
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gboolean crc_header;
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gboolean crc_payload;
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GstDPHeaderFlag header_flag;
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GstDPVersion version;
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GstDPPacketizer *packetizer;
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};
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struct _GstGDPPayClass
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