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rtpasfdepay: Port to 0.11

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This commit is contained in:
Thiago Santos 2011-06-18 20:24:42 -03:00
parent 2dc2be5e7b
commit 77106101fa
1 changed files with 50 additions and 38 deletions
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88
gst/asfdemux/gstrtpasfdepay.c
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@ -51,8 +51,8 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_CAPS (SINK_CAPS)
);
GST_BOILERPLATE (GstRtpAsfDepay, gst_rtp_asf_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
#define gst_rtp_asf_depay_parent_class parent_class
G_DEFINE_TYPE (GstRtpAsfDepay, gst_rtp_asf_depay, GST_TYPE_BASE_RTP_DEPAYLOAD);
static void gst_rtp_asf_depay_finalize (GObject * object);
@ -64,23 +64,6 @@ static gboolean gst_rtp_asf_depay_setcaps (GstBaseRTPDepayload * depay,
static GstBuffer *gst_rtp_asf_depay_process (GstBaseRTPDepayload * basedepay,
GstBuffer * buf);
static void
gst_rtp_asf_depay_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details_simple (element_class,
"RTP ASF packet depayloader", "Codec/Depayloader/Network",
"Extracts ASF streams from RTP",
"Tim-Philipp Müller <tim centricular net>, "
"Wim Taymans <wim.taymans@gmail.com>");
}
static void
gst_rtp_asf_depay_class_init (GstRtpAsfDepayClass * klass)
{
@ -92,6 +75,17 @@ gst_rtp_asf_depay_class_init (GstRtpAsfDepayClass * klass)
gstelement_class = (GstElementClass *) klass;
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details_simple (gstelement_class,
"RTP ASF packet depayloader", "Codec/Depayloader/Network",
"Extracts ASF streams from RTP",
"Tim-Philipp Müller <tim centricular net>, "
"Wim Taymans <wim.taymans@gmail.com>");
gobject_class->finalize = gst_rtp_asf_depay_finalize;
gstelement_class->change_state =
@ -107,7 +101,7 @@ gst_rtp_asf_depay_class_init (GstRtpAsfDepayClass * klass)
}
static void
gst_rtp_asf_depay_init (GstRtpAsfDepay * depay, GstRtpAsfDepayClass * klass)
gst_rtp_asf_depay_init (GstRtpAsfDepay * depay)
{
depay->adapter = gst_adapter_new ();
}
@ -179,13 +173,11 @@ gst_rtp_asf_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
src_caps = gst_caps_new_simple ("video/x-ms-asf", NULL);
gst_pad_set_caps (depayload->srcpad, src_caps);
gst_caps_unref (src_caps);
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = headers;
GST_BUFFER_MALLOCDATA (buf) = headers;
GST_BUFFER_SIZE (buf) = headers_len;
gst_buffer_set_caps (buf, src_caps);
gst_caps_unref (src_caps);
gst_buffer_take_memory (buf, -1,
gst_memory_new_wrapped (0, headers, g_free, headers_len, 0, headers_len));
gst_base_rtp_depayload_push (depayload, buf);
@ -256,13 +248,18 @@ static void
gst_rtp_asf_depay_set_padding (GstRtpAsfDepay * depayload,
GstBuffer * buf, guint32 padding)
{
guint8 *data = GST_BUFFER_DATA (buf);
gpointer bufdata;
gsize bufsize;
guint8 *data;
gint offset = 0;
guint8 aux;
guint8 seq_type;
guint8 pad_type;
guint8 pkt_type;
bufdata = gst_buffer_map (buf, &bufsize, NULL, GST_MAP_READ);
data = bufdata;
aux = data[offset++];
if (aux & 0x80) {
guint8 err_len = 0;
@ -270,6 +267,7 @@ gst_rtp_asf_depay_set_padding (GstRtpAsfDepay * depayload,
GST_WARNING_OBJECT (depayload, "Error correction length type should be "
"set to 0");
/* this packet doesn't follow the spec */
gst_buffer_unmap (buf, bufdata, bufsize);
return;
}
err_len = aux & 0x0F;
@ -307,6 +305,7 @@ gst_rtp_asf_depay_set_padding (GstRtpAsfDepay * depayload,
default:
break;
}
gst_buffer_unmap (buf, bufdata, bufsize);
}
/* Docs: 'RTSP Protocol PDF' document from http://sdp.ppona.com/ (page 8) */
@ -321,6 +320,10 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
guint payload_len, hdr_len, offset;
guint len_offs;
GstClockTime timestamp;
gpointer bufdata;
guint8 *data;
gsize bufsize;
GstRTPBuffer rtpbuf;
depay = GST_RTP_ASF_DEPAY (depayload);
@ -331,10 +334,11 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
depay->discont = TRUE;
}
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtpbuf);
timestamp = GST_BUFFER_TIMESTAMP (buf);
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
payload_len = gst_rtp_buffer_get_payload_len (&rtpbuf);
payload = gst_rtp_buffer_get_payload (&rtpbuf);
offset = 0;
GST_LOG_OBJECT (depay, "got payload len of %u", payload_len);
@ -430,10 +434,11 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
if (len_offs == (available = gst_adapter_available (depay->adapter))) {
/* fragment aligns with what we have, add it */
GST_LOG_OBJECT (depay, "collecting fragment");
sub = gst_rtp_buffer_get_payload_subbuffer (buf, offset, packet_len);
sub =
gst_rtp_buffer_get_payload_subbuffer (&rtpbuf, offset, packet_len);
gst_adapter_push (depay->adapter, sub);
/* RTP marker bit M is set if this is last fragment */
if (gst_rtp_buffer_get_marker (buf)) {
if (gst_rtp_buffer_get_marker (&rtpbuf)) {
GST_LOG_OBJECT (depay, "last fragment, assembling packet");
outbuf =
gst_adapter_take_buffer (depay->adapter, available + packet_len);
@ -448,7 +453,8 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
}
} else {
GST_LOG_OBJECT (depay, "collecting packet");
outbuf = gst_rtp_buffer_get_payload_subbuffer (buf, offset, packet_len);
outbuf =
gst_rtp_buffer_get_payload_subbuffer (&rtpbuf, offset, packet_len);
}
/* If we haven't completed a full ASF packet, return */
@ -456,25 +462,27 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
return NULL;
/* we need to pad with zeroes to packet_size if it's smaller */
g_assert (packet_len == GST_BUFFER_SIZE (outbuf));
packet_len = GST_BUFFER_SIZE (outbuf);
bufdata = gst_buffer_map (outbuf, &bufsize, NULL, GST_MAP_READ);
g_assert (packet_len == bufsize);
packet_len = bufsize;
if (packet_len < depay->packet_size) {
GstBuffer *tmp;
GST_LOG_OBJECT (depay, "padding buffer size %d to packet size %d",
packet_len, depay->packet_size);
tmp = gst_buffer_new_and_alloc (depay->packet_size);
memcpy (GST_BUFFER_DATA (tmp), GST_BUFFER_DATA (outbuf), packet_len);
gst_buffer_copy_into (tmp, outbuf, GST_BUFFER_COPY_ALL, 0, packet_len);
gst_buffer_unmap (outbuf, bufdata, bufsize);
gst_buffer_unref (outbuf);
outbuf = tmp;
memset (GST_BUFFER_DATA (outbuf) + packet_len, 0,
depay->packet_size - packet_len);
bufdata = gst_buffer_map (outbuf, &bufsize, NULL, GST_MAP_WRITE);
data = (guint8 *) bufdata;
memset (data + packet_len, 0, depay->packet_size - packet_len);
gst_rtp_asf_depay_set_padding (depay, outbuf,
depay->packet_size - packet_len);
}
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (depayload->srcpad));
if (!S)
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
@ -486,6 +494,7 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
gst_buffer_unmap (outbuf, bufdata, bufsize);
gst_base_rtp_depayload_push (depayload, outbuf);
/* only apply the timestamp to the first buffer of this packet */
@ -497,11 +506,14 @@ gst_rtp_asf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
payload_len -= packet_len;
} while (payload_len > 0);
gst_rtp_buffer_unmap (&rtpbuf);
return NULL;
/* ERRORS */
too_small:
{
gst_rtp_buffer_unmap (&rtpbuf);
GST_WARNING_OBJECT (depayload, "Payload too small, expected at least 4 "
"bytes for header, but got only %d bytes", payload_len);
return NULL;