*
* 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 <string.h>
#include <gst/rtp/gstrtpbuffer.h>
+#include <gst/video/video.h>
#include "gstrtpvrawpay.h"
+#include "gstrtputils.h"
+
+enum
+{
+ PROP_CHUNKS_PER_FRAME = 1
+};
+
+#define DEFAULT_CHUNKS_PER_FRAME 10
GST_DEBUG_CATEGORY_STATIC (rtpvrawpay_debug);
#define GST_CAT_DEFAULT (rtpvrawpay_debug)
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
- "format = (string) { RGB, RGBA, BGR, BGRA, AYUYV, UYVY, I420, Y41B, UYVP, I420, Y42B, Y444 }, "
+ "format = (string) { RGB, RGBA, BGR, BGRA, AYUV, UYVY, I420, Y41B, UYVP }, "
"width = (int) [ 1, 32767 ], " "height = (int) [ 1, 32767 ]; ")
);
)
);
-static gboolean gst_rtp_vraw_pay_setcaps (GstBaseRTPPayload * payload,
+static gboolean gst_rtp_vraw_pay_setcaps (GstRTPBasePayload * payload,
GstCaps * caps);
-static GstFlowReturn gst_rtp_vraw_pay_handle_buffer (GstBaseRTPPayload *
+static GstFlowReturn gst_rtp_vraw_pay_handle_buffer (GstRTPBasePayload *
payload, GstBuffer * buffer);
+static void gst_rtp_vraw_pay_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_rtp_vraw_pay_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
-G_DEFINE_TYPE (GstRtpVRawPay, gst_rtp_vraw_pay, GST_TYPE_BASE_RTP_PAYLOAD)
+G_DEFINE_TYPE (GstRtpVRawPay, gst_rtp_vraw_pay, GST_TYPE_RTP_BASE_PAYLOAD)
static void gst_rtp_vraw_pay_class_init (GstRtpVRawPayClass * klass)
{
- GstBaseRTPPayloadClass *gstbasertppayload_class;
+ GstRTPBasePayloadClass *gstrtpbasepayload_class;
GstElementClass *gstelement_class;
+ GObjectClass *gobject_class;
+ gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
- gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
+ gstrtpbasepayload_class = (GstRTPBasePayloadClass *) klass;
+
+ gobject_class->set_property = gst_rtp_vraw_pay_set_property;
+ gobject_class->get_property = gst_rtp_vraw_pay_get_property;
- gstbasertppayload_class->set_caps = gst_rtp_vraw_pay_setcaps;
- gstbasertppayload_class->handle_buffer = gst_rtp_vraw_pay_handle_buffer;
+ g_object_class_install_property (gobject_class,
+ PROP_CHUNKS_PER_FRAME,
+ g_param_spec_int ("chunks-per-frame", "Chunks per Frame",
+ "Split and send out each frame in multiple chunks to reduce overhead",
+ 1, G_MAXINT, DEFAULT_CHUNKS_PER_FRAME,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
+ );
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_vraw_pay_src_template));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_rtp_vraw_pay_sink_template));
+ gstrtpbasepayload_class->set_caps = gst_rtp_vraw_pay_setcaps;
+ gstrtpbasepayload_class->handle_buffer = gst_rtp_vraw_pay_handle_buffer;
- gst_element_class_set_details_simple (gstelement_class,
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_rtp_vraw_pay_src_template);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_rtp_vraw_pay_sink_template);
+
+ gst_element_class_set_static_metadata (gstelement_class,
"RTP Raw Video payloader", "Codec/Payloader/Network/RTP",
"Payload raw video as RTP packets (RFC 4175)",
"Wim Taymans <wim.taymans@gmail.com>");
static void
gst_rtp_vraw_pay_init (GstRtpVRawPay * rtpvrawpay)
{
+ rtpvrawpay->chunks_per_frame = DEFAULT_CHUNKS_PER_FRAME;
}
static gboolean
-gst_rtp_vraw_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
+gst_rtp_vraw_pay_setcaps (GstRTPBasePayload * payload, GstCaps * caps)
{
GstRtpVRawPay *rtpvrawpay;
gboolean res;
gint pgroup, xinc, yinc;
const gchar *depthstr, *samplingstr, *colorimetrystr;
gchar *wstr, *hstr;
- gint depth;
GstVideoInfo info;
rtpvrawpay = GST_RTP_VRAW_PAY (payload);
/* these values are the only thing we can do */
depthstr = "8";
- depth = 8;
switch (GST_VIDEO_INFO_FORMAT (&info)) {
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_RGB:
samplingstr = "RGB";
pgroup = 3;
+ break;
case GST_VIDEO_FORMAT_BGR:
samplingstr = "BGR";
pgroup = 3;
break;
case GST_VIDEO_FORMAT_UYVP:
samplingstr = "YCbCr-4:2:2";
- pgroup = 4;
+ pgroup = 5;
xinc = 2;
- depth = 10;
depthstr = "10";
break;
default:
break;
}
- if (info.flags & GST_VIDEO_FLAG_INTERLACED) {
+ if (GST_VIDEO_INFO_IS_INTERLACED (&info)) {
yinc *= 2;
}
rtpvrawpay->pgroup = pgroup;
rtpvrawpay->xinc = xinc;
rtpvrawpay->yinc = yinc;
- rtpvrawpay->depth = depth;
GST_DEBUG_OBJECT (payload, "width %d, height %d, sampling %s",
GST_VIDEO_INFO_WIDTH (&info), GST_VIDEO_INFO_HEIGHT (&info), samplingstr);
wstr = g_strdup_printf ("%d", GST_VIDEO_INFO_WIDTH (&info));
hstr = g_strdup_printf ("%d", GST_VIDEO_INFO_HEIGHT (&info));
- gst_basertppayload_set_options (payload, "video", TRUE, "RAW", 90000);
- if (info.flags & GST_VIDEO_FLAG_INTERLACED) {
- res = gst_basertppayload_set_outcaps (payload, "sampling", G_TYPE_STRING,
+ gst_rtp_base_payload_set_options (payload, "video", TRUE, "RAW", 90000);
+ if (GST_VIDEO_INFO_IS_INTERLACED (&info)) {
+ res = gst_rtp_base_payload_set_outcaps (payload, "sampling", G_TYPE_STRING,
samplingstr, "depth", G_TYPE_STRING, depthstr, "width", G_TYPE_STRING,
wstr, "height", G_TYPE_STRING, hstr, "colorimetry", G_TYPE_STRING,
colorimetrystr, "interlace", G_TYPE_STRING, "true", NULL);
} else {
- res = gst_basertppayload_set_outcaps (payload, "sampling", G_TYPE_STRING,
+ res = gst_rtp_base_payload_set_outcaps (payload, "sampling", G_TYPE_STRING,
samplingstr, "depth", G_TYPE_STRING, depthstr, "width", G_TYPE_STRING,
wstr, "height", G_TYPE_STRING, hstr, "colorimetry", G_TYPE_STRING,
colorimetrystr, NULL);
}
static GstFlowReturn
-gst_rtp_vraw_pay_handle_buffer (GstBaseRTPPayload * payload, GstBuffer * buffer)
+gst_rtp_vraw_pay_handle_buffer (GstRTPBasePayload * payload, GstBuffer * buffer)
{
GstRtpVRawPay *rtpvrawpay;
GstFlowReturn ret = GST_FLOW_OK;
+ gfloat packets_per_packline;
+ guint pgroups_per_packet;
+ guint packlines_per_list, buffers_per_list;
+ guint lines_delay; /* after how many packed lines we push out a buffer list */
+ guint last_line; /* last pack line number we pushed out a buffer list */
guint line, offset;
- guint8 *yp, *up, *vp;
+ guint8 *p0, *yp, *up, *vp;
guint ystride, uvstride;
+ guint xinc, yinc;
guint pgroup;
guint mtu;
guint width, height;
- gint field;
+ gint field, fields;
+ GstVideoFormat format;
GstVideoFrame frame;
gint interlaced;
- GstRTPBuffer rtp;
+ gboolean use_buffer_lists;
+ GstBufferList *list = NULL;
+ GstRTPBuffer rtp = { NULL, };
rtpvrawpay = GST_RTP_VRAW_PAY (payload);
- gst_video_frame_map (&frame, &rtpvrawpay->vinfo, buffer, GST_MAP_READ);
+ if (!gst_video_frame_map (&frame, &rtpvrawpay->vinfo, buffer, GST_MAP_READ)) {
+ gst_buffer_unref (buffer);
+ return GST_FLOW_ERROR;
+ }
- GST_LOG_OBJECT (rtpvrawpay, "new frame of %u bytes",
+ GST_LOG_OBJECT (rtpvrawpay, "new frame of %" G_GSIZE_FORMAT " bytes",
gst_buffer_get_size (buffer));
/* get pointer and strides of the planes */
+ p0 = GST_VIDEO_FRAME_PLANE_DATA (&frame, 0);
yp = GST_VIDEO_FRAME_COMP_DATA (&frame, 0);
up = GST_VIDEO_FRAME_COMP_DATA (&frame, 1);
vp = GST_VIDEO_FRAME_COMP_DATA (&frame, 2);
ystride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 0);
uvstride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 1);
- mtu = GST_BASE_RTP_PAYLOAD_MTU (payload);
+ mtu = GST_RTP_BASE_PAYLOAD_MTU (payload);
/* amount of bytes for one pixel */
pgroup = rtpvrawpay->pgroup;
width = GST_VIDEO_INFO_WIDTH (&rtpvrawpay->vinfo);
height = GST_VIDEO_INFO_HEIGHT (&rtpvrawpay->vinfo);
- interlaced = ! !(rtpvrawpay->vinfo.flags & GST_VIDEO_FLAG_INTERLACED);
+ interlaced = GST_VIDEO_INFO_IS_INTERLACED (&rtpvrawpay->vinfo);
+
+ format = GST_VIDEO_INFO_FORMAT (&rtpvrawpay->vinfo);
+
+ yinc = rtpvrawpay->yinc;
+ xinc = rtpvrawpay->xinc;
+
+ /* after how many packed lines we push out a buffer list */
+ lines_delay = GST_ROUND_UP_4 (height / rtpvrawpay->chunks_per_frame);
+
+ /* calculate how many buffers we expect to store in a single buffer list */
+ pgroups_per_packet = (mtu - (12 + 14)) / pgroup;
+ packets_per_packline = width / (xinc * pgroups_per_packet * 1.0);
+ packlines_per_list = height / (yinc * rtpvrawpay->chunks_per_frame);
+ buffers_per_list = packlines_per_list * packets_per_packline;
+ buffers_per_list = GST_ROUND_UP_8 (buffers_per_list);
+
+ use_buffer_lists = (rtpvrawpay->chunks_per_frame < (height / yinc));
+
+ fields = 1 + interlaced;
/* start with line 0, offset 0 */
- for (field = 0; field < 1 + interlaced; field++) {
+ for (field = 0; field < fields; field++) {
line = field;
offset = 0;
+ last_line = 0;
+
+ if (use_buffer_lists)
+ list = gst_buffer_list_new_sized (buffers_per_list);
/* write all lines */
while (line < height) {
- guint left;
+ guint left, pack_line;
GstBuffer *out;
guint8 *outdata, *headers;
- gboolean next_line;
+ gboolean next_line, complete = FALSE;
guint length, cont, pixels;
/* get the max allowed payload length size, we try to fill the complete MTU */
out = gst_rtp_buffer_new_allocate (left, 0, 0);
if (field == 0) {
- GST_BUFFER_TIMESTAMP (out) = GST_BUFFER_TIMESTAMP (buffer);
+ GST_BUFFER_PTS (out) = GST_BUFFER_PTS (buffer);
} else {
- GST_BUFFER_TIMESTAMP (out) = GST_BUFFER_TIMESTAMP (buffer) +
+ GST_BUFFER_PTS (out) = GST_BUFFER_PTS (buffer) +
GST_BUFFER_DURATION (buffer) / 2;
}
/* the headers start here */
headers = outdata;
+ /* make sure we can fit at least *one* header and pixel */
+ if (!(left > (6 + pgroup))) {
+ gst_rtp_buffer_unmap (&rtp);
+ gst_buffer_unref (out);
+ goto too_small;
+ }
+
/* while we can fit at least one header and one pixel */
while (left > (6 + pgroup)) {
/* we need a 6 bytes header */
/* get how may bytes we need for the remaining pixels */
pixels = width - offset;
- length = (pixels * pgroup) / rtpvrawpay->xinc;
+ length = (pixels * pgroup) / xinc;
if (left >= length) {
/* pixels and header fit completely, we will write them and skip to the
next_line = TRUE;
} else {
/* line does not fit completely, see how many pixels fit */
- pixels = (left / pgroup) * rtpvrawpay->xinc;
- length = (pixels * pgroup) / rtpvrawpay->xinc;
+ pixels = (left / pgroup) * xinc;
+ length = (pixels * pgroup) / xinc;
next_line = FALSE;
}
GST_LOG_OBJECT (rtpvrawpay, "filling %u bytes in %u pixels", length,
if (next_line) {
/* go to next line we do this here to make the check below easier */
- line += rtpvrawpay->yinc;
+ line += yinc;
}
/* calculate continuation marker */
"writing length %u, line %u, offset %u, cont %d", length, lin, offs,
cont);
- switch (GST_VIDEO_INFO_FORMAT (&rtpvrawpay->vinfo)) {
+ switch (format) {
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_UYVY:
- offs /= rtpvrawpay->xinc;
- memcpy (outdata, yp + (lin * ystride) + (offs * pgroup), length);
+ case GST_VIDEO_FORMAT_UYVP:
+ offs /= xinc;
+ memcpy (outdata, p0 + (lin * ystride) + (offs * pgroup), length);
outdata += length;
break;
case GST_VIDEO_FORMAT_AYUV:
gint i;
guint8 *datap;
- datap = yp + (lin * ystride) + (offs * 4);
+ datap = p0 + (lin * ystride) + (offs * 4);
for (i = 0; i < pixels; i++) {
*outdata++ = datap[2];
yd1p = yp + (lin * ystride) + (offs);
yd2p = yd1p + ystride;
- uvoff =
- (lin / rtpvrawpay->yinc * uvstride) + (offs / rtpvrawpay->xinc);
+ uvoff = (lin / yinc * uvstride) + (offs / xinc);
udp = up + uvoff;
vdp = vp + uvoff;
guint8 *ydp, *udp, *vdp;
ydp = yp + (lin * ystride) + offs;
- uvoff =
- (lin / rtpvrawpay->yinc * uvstride) + (offs / rtpvrawpay->xinc);
+ uvoff = (lin / yinc * uvstride) + (offs / xinc);
udp = up + uvoff;
vdp = vp + uvoff;
if (line >= height) {
GST_LOG_OBJECT (rtpvrawpay, "field/frame complete, set marker");
gst_rtp_buffer_set_marker (&rtp, TRUE);
+ complete = TRUE;
}
gst_rtp_buffer_unmap (&rtp);
if (left > 0) {
gst_buffer_resize (out, 0, gst_buffer_get_size (out) - left);
}
- /* push buffer */
- ret = gst_basertppayload_push (payload, out);
+ gst_rtp_copy_meta (GST_ELEMENT_CAST (rtpvrawpay), out, buffer,
+ g_quark_from_static_string (GST_META_TAG_VIDEO_STR));
+
+
+ /* Now either push out the buffer directly */
+ if (!use_buffer_lists) {
+ ret = gst_rtp_base_payload_push (payload, out);
+ continue;
+ }
+
+ /* or add the buffer to buffer list ... */
+ gst_buffer_list_add (list, out);
+
+ /* .. and check if we need to push out the list */
+ pack_line = (line - field) / fields;
+ if (complete || (pack_line > last_line && pack_line % lines_delay == 0)) {
+ GST_LOG_OBJECT (rtpvrawpay, "pushing list of %u buffers up to pack "
+ "line %u", gst_buffer_list_length (list), pack_line);
+ ret = gst_rtp_base_payload_push_list (payload, list);
+ list = NULL;
+ if (!complete)
+ list = gst_buffer_list_new_sized (buffers_per_list);
+ last_line = pack_line;
+ }
}
}
gst_buffer_unref (buffer);
return GST_FLOW_NOT_SUPPORTED;
}
+too_small:
+ {
+ GST_ELEMENT_ERROR (payload, RESOURCE, NO_SPACE_LEFT,
+ (NULL), ("not enough space to send at least one pixel"));
+ gst_video_frame_unmap (&frame);
+ gst_buffer_unref (buffer);
+ return GST_FLOW_NOT_SUPPORTED;
+ }
+}
+
+static void
+gst_rtp_vraw_pay_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstRtpVRawPay *rtpvrawpay;
+
+ rtpvrawpay = GST_RTP_VRAW_PAY (object);
+
+ switch (prop_id) {
+ case PROP_CHUNKS_PER_FRAME:
+ rtpvrawpay->chunks_per_frame = g_value_get_int (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_rtp_vraw_pay_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstRtpVRawPay *rtpvrawpay;
+
+ rtpvrawpay = GST_RTP_VRAW_PAY (object);
+
+ switch (prop_id) {
+ case PROP_CHUNKS_PER_FRAME:
+ g_value_set_int (value, rtpvrawpay->chunks_per_frame);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
gboolean
projects / platform / upstream / gst-plugins-good.git / blobdiff