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basedepay: add support for buffer lists in the depayloader

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Add support for buffer lists in the depayloader.
This commit is contained in:
Wim Taymans 2010-12-15 12:58:47 +01:00
parent a5994446b3
commit 1c2c9c10b5
2 changed files with 98 additions and 33 deletions
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129
gst-libs/gst/rtp/gstbasertpdepayload.c
View file

@ -496,30 +496,58 @@ create_segment_event (GstBaseRTPDepayload * filter, gboolean update,
return event;
}
static GstFlowReturn
gst_base_rtp_depayload_push_full (GstBaseRTPDepayload * filter,
gboolean do_ts, guint32 rtptime, GstBuffer * out_buf)
typedef struct
{
GstFlowReturn ret;
GstCaps *srccaps;
GstBaseRTPDepayload *depayload;
GstBaseRTPDepayloadClass *bclass;
GstCaps *caps;
gboolean do_ts;
gboolean rtptime;
} HeaderData;
static GstBufferListItem
set_headers (GstBuffer ** buffer, guint group, guint idx, HeaderData * data)
{
GstBaseRTPDepayload *depayload = data->depayload;
*buffer = gst_buffer_make_metadata_writable (*buffer);
gst_buffer_set_caps (*buffer, data->caps);
/* set the timestamp if we must and can */
if (data->bclass->set_gst_timestamp && data->do_ts)
data->bclass->set_gst_timestamp (depayload, data->rtptime, *buffer);
if (G_UNLIKELY (depayload->priv->discont)) {
GST_LOG_OBJECT (depayload, "Marking DISCONT on output buffer");
GST_BUFFER_FLAG_SET (*buffer, GST_BUFFER_FLAG_DISCONT);
depayload->priv->discont = FALSE;
}
return GST_BUFFER_LIST_SKIP_GROUP;
}
static GstFlowReturn
gst_base_rtp_depayload_prepare_push (GstBaseRTPDepayload * filter,
gboolean do_ts, guint32 rtptime, gboolean is_list, gpointer obj)
{
GstBaseRTPDepayloadPrivate *priv;
HeaderData data;
priv = filter->priv;
/* almost certainly required */
out_buf = gst_buffer_make_metadata_writable (out_buf);
data.depayload = filter;
data.caps = GST_PAD_CAPS (filter->srcpad);
data.rtptime = rtptime;
data.do_ts = do_ts;
data.bclass = GST_BASE_RTP_DEPAYLOAD_GET_CLASS (filter);
/* set the caps if any */
srccaps = GST_PAD_CAPS (filter->srcpad);
if (G_LIKELY (srccaps))
gst_buffer_set_caps (out_buf, srccaps);
bclass = GST_BASE_RTP_DEPAYLOAD_GET_CLASS (filter);
/* set the timestamp if we must and can */
if (bclass->set_gst_timestamp && do_ts)
bclass->set_gst_timestamp (filter, rtptime, out_buf);
if (is_list) {
gst_buffer_list_foreach (GST_BUFFER_LIST_CAST (obj),
(GstBufferListFunc) set_headers, &data);
} else {
GstBuffer *buf = GST_BUFFER_CAST (obj);
set_headers (&buf, 0, 0, &data);
}
/* if this is the first buffer send a NEWSEGMENT */
if (G_UNLIKELY (filter->need_newsegment)) {
@ -533,20 +561,7 @@ gst_base_rtp_depayload_push_full (GstBaseRTPDepayload * filter,
GST_DEBUG_OBJECT (filter, "Pushed newsegment event on this first buffer");
}
if (G_UNLIKELY (priv->discont)) {
GST_LOG_OBJECT (filter, "Marking DISCONT on output buffer");
GST_BUFFER_FLAG_SET (out_buf, GST_BUFFER_FLAG_DISCONT);
priv->discont = FALSE;
}
/* push it */
GST_LOG_OBJECT (filter, "Pushing buffer size %d, timestamp %" GST_TIME_FORMAT,
GST_BUFFER_SIZE (out_buf),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (out_buf)));
ret = gst_pad_push (filter->srcpad, out_buf);
return ret;
return GST_FLOW_OK;
}
/**
@ -569,7 +584,18 @@ GstFlowReturn
gst_base_rtp_depayload_push_ts (GstBaseRTPDepayload * filter, guint32 timestamp,
GstBuffer * out_buf)
{
return gst_base_rtp_depayload_push_full (filter, TRUE, timestamp, out_buf);
GstFlowReturn res;
res =
gst_base_rtp_depayload_prepare_push (filter, TRUE, timestamp, FALSE,
out_buf);
if (G_LIKELY (res == GST_FLOW_OK))
res = gst_pad_push (filter->srcpad, out_buf);
else
gst_buffer_unref (out_buf);
return res;
}
/**
@ -589,7 +615,44 @@ gst_base_rtp_depayload_push_ts (GstBaseRTPDepayload * filter, guint32 timestamp,
GstFlowReturn
gst_base_rtp_depayload_push (GstBaseRTPDepayload * filter, GstBuffer * out_buf)
{
return gst_base_rtp_depayload_push_full (filter, FALSE, 0, out_buf);
GstFlowReturn res;
res = gst_base_rtp_depayload_prepare_push (filter, FALSE, 0, FALSE, out_buf);
if (G_LIKELY (res == GST_FLOW_OK))
res = gst_pad_push (filter->srcpad, out_buf);
else
gst_buffer_unref (out_buf);
return res;
}
/**
* gst_base_rtp_depayload_push_list:
* @filter: a #GstBaseRTPDepayload
* @out_list: a #GstBufferList
*
* Push @out_list to the peer of @filter. This function takes ownership of
* @out_list.
*
* Returns: a #GstFlowReturn.
*
* Since: 0.10.32
*/
GstFlowReturn
gst_base_rtp_depayload_push_list (GstBaseRTPDepayload * filter,
GstBufferList * out_list)
{
GstFlowReturn res;
res = gst_base_rtp_depayload_prepare_push (filter, TRUE, 0, TRUE, out_list);
if (G_LIKELY (res == GST_FLOW_OK))
res = gst_pad_push_list (filter->srcpad, out_list);
else
gst_buffer_list_unref (out_list);
return res;
}
/* convert the PacketLost event form a jitterbuffer to a segment update.

2
gst-libs/gst/rtp/gstbasertpdepayload.h
View file

@ -128,6 +128,8 @@ GType gst_base_rtp_depayload_get_type (void);
GstFlowReturn gst_base_rtp_depayload_push (GstBaseRTPDepayload *filter, GstBuffer *out_buf);
GstFlowReturn gst_base_rtp_depayload_push_ts (GstBaseRTPDepayload *filter,
guint32 timestamp, GstBuffer *out_buf);
GstFlowReturn gst_base_rtp_depayload_push_list (GstBaseRTPDepayload *filter, GstBufferList *out_list);
G_END_DECLS