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j2kdepay: add support for buffer lists

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This commit is contained in:
Wim Taymans 2010-12-15 13:12:09 +01:00
parent 0c3333da04
commit 184c4219a7
2 changed files with 84 additions and 4 deletions
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87
gst/rtp/gstrtpj2kdepay.c
View file

@ -56,11 +56,25 @@ typedef enum
J2K_MARKER_EOC = 0xD9
} RtpJ2KMarker;
#define DEFAULT_BUFFER_LIST TRUE
enum
{
PROP_0,
PROP_BUFFER_LIST,
PROP_LAST
};
GST_BOILERPLATE (GstRtpJ2KDepay, gst_rtp_j2k_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static void gst_rtp_j2k_depay_finalize (GObject * object);
static void gst_rtp_j2k_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtp_j2k_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn
gst_rtp_j2k_depay_change_state (GstElement * element,
GstStateChange transition);
@ -99,6 +113,14 @@ gst_rtp_j2k_depay_class_init (GstRtpJ2KDepayClass * klass)
gobject_class->finalize = gst_rtp_j2k_depay_finalize;
gobject_class->set_property = gst_rtp_j2k_depay_set_property;
gobject_class->get_property = gst_rtp_j2k_depay_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_LIST,
g_param_spec_boolean ("buffer-list", "Buffer List",
"Use Buffer Lists",
DEFAULT_BUFFER_LIST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = gst_rtp_j2k_depay_change_state;
gstbasertpdepayload_class->set_caps = gst_rtp_j2k_depay_setcaps;
@ -112,6 +134,8 @@ static void
gst_rtp_j2k_depay_init (GstRtpJ2KDepay * rtpj2kdepay,
GstRtpJ2KDepayClass * klass)
{
rtpj2kdepay->buffer_list = DEFAULT_BUFFER_LIST;
rtpj2kdepay->pu_adapter = gst_adapter_new ();
rtpj2kdepay->t_adapter = gst_adapter_new ();
rtpj2kdepay->f_adapter = gst_adapter_new ();
@ -350,7 +374,7 @@ gst_rtp_j2k_depay_flush_frame (GstBaseRTPDepayload * depayload)
guint8 end[2];
guint8 *data;
guint avail;
GstBuffer *outbuf;
GstFlowReturn ret = GST_FLOW_OK;
rtpj2kdepay = GST_RTP_J2K_DEPAY (depayload);
@ -364,6 +388,8 @@ gst_rtp_j2k_depay_flush_frame (GstBaseRTPDepayload * depayload)
goto done;
if (avail > 2) {
GstBuffer *outbuf;
/* take the last bytes of the JPEG 2000 data to see if there is an EOC
* marker */
gst_adapter_copy (rtpj2kdepay->f_adapter, end, avail - 2, 2);
@ -381,9 +407,26 @@ gst_rtp_j2k_depay_flush_frame (GstBaseRTPDepayload * depayload)
avail += 2;
}
GST_DEBUG_OBJECT (rtpj2kdepay, "pushing %u bytes", avail);
outbuf = gst_adapter_take_buffer (rtpj2kdepay->f_adapter, avail);
ret = gst_base_rtp_depayload_push (depayload, outbuf);
if (rtpj2kdepay->buffer_list) {
GList *list;
GstBufferList *buflist;
GstBufferListIterator *it;
GST_DEBUG_OBJECT (rtpj2kdepay, "pushing buffer list of %u bytes", avail);
list = gst_adapter_take_list (rtpj2kdepay->f_adapter, avail);
buflist = gst_buffer_list_new ();
it = gst_buffer_list_iterate (buflist);
gst_buffer_list_iterator_add_group (it);
gst_buffer_list_iterator_add_list (it, list);
gst_buffer_list_iterator_free (it);
ret = gst_base_rtp_depayload_push_list (depayload, buflist);
} else {
GST_DEBUG_OBJECT (rtpj2kdepay, "pushing buffer of %u bytes", avail);
outbuf = gst_adapter_take_buffer (rtpj2kdepay->f_adapter, avail);
ret = gst_base_rtp_depayload_push (depayload, outbuf);
}
} else {
GST_WARNING_OBJECT (rtpj2kdepay, "empty packet");
gst_adapter_clear (rtpj2kdepay->f_adapter);
@ -555,6 +598,42 @@ wrong_mh_id:
}
}
static void
gst_rtp_j2k_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpJ2KDepay *rtpj2kdepay;
rtpj2kdepay = GST_RTP_J2K_DEPAY (object);
switch (prop_id) {
case PROP_BUFFER_LIST:
rtpj2kdepay->buffer_list = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtp_j2k_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRtpJ2KDepay *rtpj2kdepay;
rtpj2kdepay = GST_RTP_J2K_DEPAY (object);
switch (prop_id) {
case PROP_BUFFER_LIST:
g_value_set_boolean (value, rtpj2kdepay->buffer_list);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtp_j2k_depay_change_state (GstElement * element, GstStateChange transition)
{

1
gst/rtp/gstrtpj2kdepay.h
View file

@ -58,6 +58,7 @@ struct _GstRtpJ2KDepay
guint next_frag;
gboolean have_sync;
gboolean buffer_list;
gint width, height;
};