*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <stdio.h>
#include <gst/rtp/gstrtpbuffer.h>
+#include <gst/video/video.h>
#include "gstrtph263ppay.h"
+#include "gstrtputils.h"
#define DEFAULT_FRAGMENTATION_MODE GST_FRAGMENTATION_MODE_NORMAL
DEFAULT_FRAGMENTATION_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_h263p_pay_src_template));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_h263p_pay_sink_template));
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_rtp_h263p_pay_src_template);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_rtp_h263p_pay_sink_template);
gst_element_class_set_static_metadata (gstelement_class, "RTP H263 payloader",
"Codec/Payloader/Network/RTP",
GST_DEBUG_CATEGORY_INIT (rtph263ppay_debug, "rtph263ppay",
0, "rtph263ppay (RFC 4629)");
+
+#ifndef TIZEN_FEATURE_GST_UPSTREAM_AVOID_BUILD_BREAK
+ gst_type_mark_as_plugin_api (GST_TYPE_FRAGMENTATION_MODE, 0);
+#endif
}
static void
peercaps =
gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), NULL);
if (peercaps) {
- GstCaps *intersect = gst_caps_intersect (peercaps,
- gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload)));
+ GstCaps *tcaps =
+ gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
+ GstCaps *intersect = gst_caps_intersect (peercaps, tcaps);
+ gst_caps_unref (tcaps);
gst_caps_unref (peercaps);
if (!gst_caps_is_empty (intersect)) {
rtph263ppay = GST_RTP_H263P_PAY (payload);
peercaps =
- gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), filter);
+ gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), NULL);
/* if we're just outputting to udpsink or fakesink or so, we should also
* accept any input compatible with our sink template caps */
- if (!peercaps || gst_caps_is_any (peercaps))
- return
+ if (!peercaps || gst_caps_is_any (peercaps)) {
+ if (peercaps)
+ gst_caps_unref (peercaps);
+ caps =
gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
+ goto done;
+ }
/* We basically need to differentiate two use-cases here: One where there's
* a capsfilter after the payloader with caps created from an SDP; in this
* we want it to produce. The second case is simply payloader ! depayloader
* where we are dealing with the depayloader's template caps. In this case
* we should accept any input compatible with our sink template caps. */
- if (!gst_caps_is_fixed (peercaps))
- return
+ if (!gst_caps_is_fixed (peercaps)) {
+ gst_caps_unref (peercaps);
+ caps =
gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
+ goto done;
+ }
templ = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
intersect = gst_caps_intersect (peercaps, templ);
gst_caps_unref (intersect);
+done:
+
+ if (filter) {
+ GstCaps *tmp;
+
+ GST_DEBUG_OBJECT (payload, "Intersect %" GST_PTR_FORMAT " and filter %"
+ GST_PTR_FORMAT, caps, filter);
+ tmp = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (caps);
+ caps = tmp;
+ }
+
return caps;
}
gst_rtp_h263p_pay_flush (GstRtpH263PPay * rtph263ppay)
{
guint avail;
- GstBuffer *outbuf;
+ GstBufferList *list = NULL;
+ GstBuffer *outbuf = NULL;
GstFlowReturn ret;
- gboolean fragmented;
+ gboolean fragmented = FALSE;
avail = gst_adapter_available (rtph263ppay->adapter);
if (avail == 0)
* This algorithm separates large frames at synchronisation points (Segments)
* (See RFC 4629 section 6). It would be interesting to have a property such as network
* quality to select between both packetization methods */
- /* TODO Add VRC supprt (See RFC 4629 section 5.2) */
+ /* TODO Add VRC support (See RFC 4629 section 5.2) */
while (avail > 0) {
guint towrite;
guint8 *payload;
- guint payload_len;
gint header_len;
guint next_gop = 0;
gboolean found_gob = FALSE;
GstRTPBuffer rtp = { NULL };
+ GstBuffer *payload_buf;
if (rtph263ppay->fragmentation_mode == GST_FRAGMENTATION_MODE_SYNC) {
/* start after 1st gop possible */
- guint parsed_len = 3;
- const guint8 *parse_data = NULL;
-
- parse_data = gst_adapter_map (rtph263ppay->adapter, avail);
/* Check if we have a gob or eos , eossbs */
/* FIXME EOS and EOSSBS packets should never contain any gobs and vice-versa */
- if (avail >= 3 && *parse_data == 0 && *(parse_data + 1) == 0
- && *(parse_data + 2) >= 0x80) {
+ next_gop =
+ gst_adapter_masked_scan_uint32 (rtph263ppay->adapter, 0xffff8000,
+ 0x00008000, 0, avail);
+ if (next_gop == 0) {
GST_DEBUG_OBJECT (rtph263ppay, " Found GOB header");
found_gob = TRUE;
}
+
/* Find next and cut the packet accordingly */
/* TODO we should get as many gobs as possible until MTU is reached, this
* code seems to just get one GOB per packet */
- while (parsed_len + 2 < avail) {
- if (parse_data[parsed_len] == 0 && parse_data[parsed_len + 1] == 0
- && parse_data[parsed_len + 2] >= 0x80) {
- next_gop = parsed_len;
- GST_DEBUG_OBJECT (rtph263ppay, " Next GOB Detected at : %d",
- next_gop);
- break;
- }
- parsed_len++;
- }
- gst_adapter_unmap (rtph263ppay->adapter);
+ if (next_gop == 0 && avail > 3)
+ next_gop =
+ gst_adapter_masked_scan_uint32 (rtph263ppay->adapter, 0xffff8000,
+ 0x00008000, 3, avail - 3);
+ GST_DEBUG_OBJECT (rtph263ppay, " Next GOB Detected at : %d", next_gop);
+ if (next_gop == -1)
+ next_gop = 0;
}
/* for picture start frames (non-fragmented), we need to remove the first
* two 0x00 bytes and set P=1 */
- header_len = (fragmented && !found_gob) ? 2 : 0;
+ if (!fragmented || found_gob) {
+ gst_adapter_flush (rtph263ppay->adapter, 2);
+ avail -= 2;
+ }
+ header_len = 2;
towrite = MIN (avail, gst_rtp_buffer_calc_payload_len
(GST_RTP_BASE_PAYLOAD_MTU (rtph263ppay) - header_len, 0, 0));
if (next_gop > 0)
towrite = MIN (next_gop, towrite);
- payload_len = header_len + towrite;
-
- outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0);
+ outbuf = gst_rtp_buffer_new_allocate (header_len, 0, 0);
gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp);
/* last fragment gets the marker bit set */
payload = gst_rtp_buffer_get_payload (&rtp);
- gst_adapter_copy (rtph263ppay->adapter, &payload[header_len], 0, towrite);
-
/* 0 1
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
payload[0] = (fragmented && !found_gob) ? 0x00 : 0x04;
payload[1] = 0;
- GST_BUFFER_TIMESTAMP (outbuf) = rtph263ppay->first_timestamp;
+ GST_BUFFER_PTS (outbuf) = rtph263ppay->first_timestamp;
GST_BUFFER_DURATION (outbuf) = rtph263ppay->first_duration;
gst_rtp_buffer_unmap (&rtp);
- gst_adapter_flush (rtph263ppay->adapter, towrite);
+ payload_buf = gst_adapter_take_buffer_fast (rtph263ppay->adapter, towrite);
+ gst_rtp_copy_video_meta (rtph263ppay, outbuf, payload_buf);
+ outbuf = gst_buffer_append (outbuf, payload_buf);
+ avail -= towrite;
+
+ /* If more data is available and this is our first iteration,
+ * we create a buffer list and remember that we're fragmented.
+ *
+ * If we're fragmented already, add buffers to the previously
+ * created buffer list.
+ *
+ * Otherwise fragmented will be FALSE and we just push the single output
+ * buffer, and no list is allocated.
+ */
+ if (avail && !fragmented) {
+ fragmented = TRUE;
+ list = gst_buffer_list_new ();
+ gst_buffer_list_add (list, outbuf);
+ } else if (fragmented) {
+ gst_buffer_list_add (list, outbuf);
+ }
+ }
+ if (fragmented) {
+ ret =
+ gst_rtp_base_payload_push_list (GST_RTP_BASE_PAYLOAD (rtph263ppay),
+ list);
+ } else {
ret =
gst_rtp_base_payload_push (GST_RTP_BASE_PAYLOAD (rtph263ppay), outbuf);
-
- avail -= towrite;
- fragmented = TRUE;
}
return ret;
rtph263ppay = GST_RTP_H263P_PAY (payload);
- rtph263ppay->first_timestamp = GST_BUFFER_TIMESTAMP (buffer);
+ rtph263ppay->first_timestamp = GST_BUFFER_PTS (buffer);
rtph263ppay->first_duration = GST_BUFFER_DURATION (buffer);
/* we always encode and flush a full picture */
projects / platform / upstream / gst-plugins-good.git / blobdiff