*
* 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_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw-rgb, "
- "bpp = (int) 24, "
- "depth = (int) 24, "
- "endianness = (int) BIG_ENDIAN, "
- "red_mask = (int) 0xFF000000, "
- "green_mask = (int) 0x00FF0000, "
- "blue_mask = (int) 0x0000FF00, "
- "width = (int) [ 1, 32767 ], "
- "height = (int) [ 1, 32767 ]; "
- "video/x-raw-rgb, "
- "bpp = (int) 32, "
- "depth = (int) 32, "
- "endianness = (int) BIG_ENDIAN, "
- "red_mask = (int) 0xFF000000, "
- "green_mask = (int) 0x00FF0000, "
- "blue_mask = (int) 0x0000FF00, "
- "alpha_mask = (int) 0x000000FF, "
- "width = (int) [ 1, 32767 ], "
- "height = (int) [ 1, 32767 ]; "
- "video/x-raw-rgb, "
- "bpp = (int) 24, "
- "depth = (int) 24, "
- "endianness = (int) BIG_ENDIAN, "
- "red_mask = (int) 0x0000FF00, "
- "green_mask = (int) 0x00FF0000, "
- "blue_mask = (int) 0xFF000000, "
- "width = (int) [ 1, 32767 ], "
- "height = (int) [ 1, 32767 ]; "
- "video/x-raw-rgb, "
- "bpp = (int) 32, "
- "depth = (int) 32, "
- "endianness = (int) BIG_ENDIAN, "
- "red_mask = (int) 0x0000FF00, "
- "green_mask = (int) 0x00FF0000, "
- "blue_mask = (int) 0xFF000000, "
- "alpha_mask = (int) 0x000000FF, "
- "width = (int) [ 1, 32767 ], "
- "height = (int) [ 1, 32767 ]; "
- "video/x-raw-yuv, "
- "format = (fourcc) { AYUV, UYVY, I420, Y41B }, "
+ GST_STATIC_CAPS ("video/x-raw, "
+ "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);
-GST_BOILERPLATE (GstRtpVRawPay, gst_rtp_vraw_pay, GstBaseRTPPayload,
- GST_TYPE_BASE_RTP_PAYLOAD)
+G_DEFINE_TYPE (GstRtpVRawPay, gst_rtp_vraw_pay, GST_TYPE_RTP_BASE_PAYLOAD)
- static void gst_rtp_vraw_pay_base_init (gpointer klass)
+ static void gst_rtp_vraw_pay_class_init (GstRtpVRawPayClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtp_vraw_pay_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtp_vraw_pay_sink_template));
-
- gst_element_class_set_details_simple (element_class,
- "RTP Raw Video payloader", "Codec/Payloader/Network",
+ GstRTPBasePayloadClass *gstrtpbasepayload_class;
+ GstElementClass *gstelement_class;
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) 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;
+
+ 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)
+ );
+
+ gstrtpbasepayload_class->set_caps = gst_rtp_vraw_pay_setcaps;
+ gstrtpbasepayload_class->handle_buffer = gst_rtp_vraw_pay_handle_buffer;
+
+ 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_class_init (GstRtpVRawPayClass * klass)
-{
- GstBaseRTPPayloadClass *gstbasertppayload_class;
-
- gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
-
- gstbasertppayload_class->set_caps = gst_rtp_vraw_pay_setcaps;
- gstbasertppayload_class->handle_buffer = gst_rtp_vraw_pay_handle_buffer;
GST_DEBUG_CATEGORY_INIT (rtpvrawpay_debug, "rtpvrawpay", 0,
"Raw video RTP Payloader");
}
static void
-gst_rtp_vraw_pay_init (GstRtpVRawPay * rtpvrawpay, GstRtpVRawPayClass * klass)
+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;
- GstStructure *s;
gboolean res;
- const gchar *name;
- gint width, height;
- gint yp, up, vp;
- gint pgroup, ystride, uvstride = 0, xinc, yinc;
- GstVideoFormat sampling;
+ gint pgroup, xinc, yinc;
const gchar *depthstr, *samplingstr, *colorimetrystr;
gchar *wstr, *hstr;
- gboolean interlaced;
+ GstVideoInfo info;
rtpvrawpay = GST_RTP_VRAW_PAY (payload);
- s = gst_caps_get_structure (caps, 0);
+ if (!gst_video_info_from_caps (&info, caps))
+ goto invalid_caps;
+
+ rtpvrawpay->vinfo = info;
+
+ if (gst_video_colorimetry_matches (&info.colorimetry,
+ GST_VIDEO_COLORIMETRY_BT601)) {
+ colorimetrystr = "BT601-5";
+ } else if (gst_video_colorimetry_matches (&info.colorimetry,
+ GST_VIDEO_COLORIMETRY_BT709)) {
+ colorimetrystr = "BT709-2";
+ } else if (gst_video_colorimetry_matches (&info.colorimetry,
+ GST_VIDEO_COLORIMETRY_SMPTE240M)) {
+ colorimetrystr = "SMPTE240M";
+ } else {
+ colorimetrystr = "SMPTE240M";
+ }
- /* start parsing the format */
- name = gst_structure_get_name (s);
+ xinc = yinc = 1;
/* these values are the only thing we can do */
depthstr = "8";
- colorimetrystr = "SMPTE240M";
- /* parse common width/height */
- res = gst_structure_get_int (s, "width", &width);
- res &= gst_structure_get_int (s, "height", &height);
- if (!res)
- goto missing_dimension;
-
- /* fail on interlaced video for now */
- if (!gst_structure_get_boolean (s, "interlaced", &interlaced))
- interlaced = FALSE;
-
- if (interlaced)
- goto interlaced;
-
- yp = up = vp = 0;
- xinc = yinc = 1;
-
- if (!strcmp (name, "video/x-raw-rgb")) {
- gint amask, rmask;
- gboolean has_alpha;
-
- has_alpha = gst_structure_get_int (s, "alpha_mask", &amask);
-
- if (!gst_structure_get_int (s, "red_mask", &rmask))
- goto unknown_mask;
-
- if (has_alpha) {
+ switch (GST_VIDEO_INFO_FORMAT (&info)) {
+ case GST_VIDEO_FORMAT_RGBA:
+ samplingstr = "RGBA";
pgroup = 4;
- ystride = width * 4;
- if (rmask == 0xFF000000) {
- sampling = GST_VIDEO_FORMAT_RGBA;
- samplingstr = "RGBA";
- } else {
- sampling = GST_VIDEO_FORMAT_BGRA;
- samplingstr = "BGRA";
- }
- } else {
+ break;
+ case GST_VIDEO_FORMAT_BGRA:
+ samplingstr = "BGRA";
+ pgroup = 4;
+ break;
+ case GST_VIDEO_FORMAT_RGB:
+ samplingstr = "RGB";
pgroup = 3;
- ystride = GST_ROUND_UP_4 (width * 3);
- if (rmask == 0xFF000000) {
- sampling = GST_VIDEO_FORMAT_RGB;
- samplingstr = "RGB";
- } else {
- sampling = GST_VIDEO_FORMAT_BGR;
- samplingstr = "BGR";
- }
- }
- } else if (!strcmp (name, "video/x-raw-yuv")) {
- guint32 fourcc;
-
- if (!gst_structure_get_fourcc (s, "format", &fourcc))
- goto unknown_fourcc;
-
- GST_LOG_OBJECT (payload, "have fourcc %" GST_FOURCC_FORMAT,
- GST_FOURCC_ARGS (fourcc));
-
- switch (fourcc) {
- case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
- sampling = GST_VIDEO_FORMAT_AYUV;
- samplingstr = "YCbCr-4:4:4";
- pgroup = 3;
- ystride = width * 4;
- break;
- case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
- sampling = GST_VIDEO_FORMAT_UYVY;
- samplingstr = "YCbCr-4:2:2";
- pgroup = 4;
- xinc = 2;
- ystride = GST_ROUND_UP_2 (width) * 2;
- break;
- case GST_MAKE_FOURCC ('Y', '4', '1', 'B'):
- sampling = GST_VIDEO_FORMAT_Y41B;
- samplingstr = "YCbCr-4:1:1";
- pgroup = 6;
- xinc = 4;
- ystride = GST_ROUND_UP_4 (width);
- uvstride = GST_ROUND_UP_8 (width) / 4;
- up = ystride * height;
- vp = up + uvstride * height;
- break;
- case GST_MAKE_FOURCC ('I', '4', '2', '0'):
- sampling = GST_VIDEO_FORMAT_I420;
- samplingstr = "YCbCr-4:2:0";
- pgroup = 6;
- xinc = yinc = 2;
- ystride = GST_ROUND_UP_4 (width);
- uvstride = GST_ROUND_UP_8 (width) / 2;
- up = ystride * GST_ROUND_UP_2 (height);
- vp = up + uvstride * GST_ROUND_UP_2 (height) / 2;
- break;
- default:
- goto unknown_fourcc;
- }
- } else
- goto unknown_format;
+ break;
+ case GST_VIDEO_FORMAT_BGR:
+ samplingstr = "BGR";
+ pgroup = 3;
+ break;
+ case GST_VIDEO_FORMAT_AYUV:
+ samplingstr = "YCbCr-4:4:4";
+ pgroup = 3;
+ break;
+ case GST_VIDEO_FORMAT_UYVY:
+ samplingstr = "YCbCr-4:2:2";
+ pgroup = 4;
+ xinc = 2;
+ break;
+ case GST_VIDEO_FORMAT_Y41B:
+ samplingstr = "YCbCr-4:1:1";
+ pgroup = 6;
+ xinc = 4;
+ break;
+ case GST_VIDEO_FORMAT_I420:
+ samplingstr = "YCbCr-4:2:0";
+ pgroup = 6;
+ xinc = yinc = 2;
+ break;
+ case GST_VIDEO_FORMAT_UYVP:
+ samplingstr = "YCbCr-4:2:2";
+ pgroup = 5;
+ xinc = 2;
+ depthstr = "10";
+ break;
+ default:
+ goto unknown_format;
+ break;
+ }
+
+ if (GST_VIDEO_INFO_IS_INTERLACED (&info)) {
+ yinc *= 2;
+ }
- rtpvrawpay->width = width;
- rtpvrawpay->height = height;
- rtpvrawpay->sampling = sampling;
rtpvrawpay->pgroup = pgroup;
rtpvrawpay->xinc = xinc;
rtpvrawpay->yinc = yinc;
- rtpvrawpay->yp = yp;
- rtpvrawpay->up = up;
- rtpvrawpay->vp = vp;
- rtpvrawpay->ystride = ystride;
- rtpvrawpay->uvstride = uvstride;
-
- GST_DEBUG_OBJECT (payload, "width %d, height %d, sampling %d", width, height,
- sampling);
- GST_DEBUG_OBJECT (payload, "yp %d, up %d, vp %d", yp, up, vp);
- GST_DEBUG_OBJECT (payload, "pgroup %d, ystride %d, uvstride %d", pgroup,
- ystride, uvstride);
-
- wstr = g_strdup_printf ("%d", rtpvrawpay->width);
- hstr = g_strdup_printf ("%d", rtpvrawpay->height);
-
- gst_basertppayload_set_options (payload, "video", TRUE, "RAW", 90000);
- res = gst_basertppayload_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);
+
+ GST_DEBUG_OBJECT (payload, "width %d, height %d, sampling %s",
+ GST_VIDEO_INFO_WIDTH (&info), GST_VIDEO_INFO_HEIGHT (&info), samplingstr);
+ GST_DEBUG_OBJECT (payload, "xinc %d, yinc %d, pgroup %d", xinc, yinc, pgroup);
+
+ wstr = g_strdup_printf ("%d", GST_VIDEO_INFO_WIDTH (&info));
+ hstr = g_strdup_printf ("%d", GST_VIDEO_INFO_HEIGHT (&info));
+
+ 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_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);
+ }
g_free (wstr);
g_free (hstr);
return res;
/* ERRORS */
-unknown_mask:
+invalid_caps:
{
- GST_ERROR_OBJECT (payload, "unknown red mask specified");
+ GST_ERROR_OBJECT (payload, "could not parse caps");
return FALSE;
}
unknown_format:
GST_ERROR_OBJECT (payload, "unknown caps format");
return FALSE;
}
-unknown_fourcc:
- {
- GST_ERROR_OBJECT (payload, "invalid or missing fourcc");
- return FALSE;
- }
-interlaced:
- {
- GST_ERROR_OBJECT (payload, "interlaced video not supported yet");
- return FALSE;
- }
-missing_dimension:
- {
- GST_ERROR_OBJECT (payload, "missing width or height property");
- return FALSE;
- }
}
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 *data, *yp, *up, *vp;
+ guint8 *p0, *yp, *up, *vp;
guint ystride, uvstride;
- guint size, pgroup;
+ guint xinc, yinc;
+ guint pgroup;
guint mtu;
guint width, height;
+ gint field, fields;
+ GstVideoFormat format;
+ GstVideoFrame frame;
+ gint interlaced;
+ gboolean use_buffer_lists;
+ GstBufferList *list = NULL;
+ GstRTPBuffer rtp = { NULL, };
rtpvrawpay = GST_RTP_VRAW_PAY (payload);
- data = GST_BUFFER_DATA (buffer);
- size = GST_BUFFER_SIZE (buffer);
+ 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", size);
+ GST_LOG_OBJECT (rtpvrawpay, "new frame of %" G_GSIZE_FORMAT " bytes",
+ gst_buffer_get_size (buffer));
/* get pointer and strides of the planes */
- yp = data + rtpvrawpay->yp;
- up = data + rtpvrawpay->up;
- vp = data + rtpvrawpay->vp;
+ 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 = rtpvrawpay->ystride;
- uvstride = rtpvrawpay->uvstride;
+ 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 = rtpvrawpay->width;
- height = rtpvrawpay->height;
+ width = GST_VIDEO_INFO_WIDTH (&rtpvrawpay->vinfo);
+ height = GST_VIDEO_INFO_HEIGHT (&rtpvrawpay->vinfo);
+
+ 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 */
- line = 0;
- offset = 0;
-
- /* write all lines */
- while (line < height) {
- guint left;
- GstBuffer *out;
- guint8 *outdata, *headers;
- gboolean next_line;
- guint length, cont, pixels, fieldid;
-
- /* get the max allowed payload length size, we try to fill the complete MTU */
- left = gst_rtp_buffer_calc_payload_len (mtu, 0, 0);
- out = gst_rtp_buffer_new_allocate (left, 0, 0);
-
- GST_BUFFER_TIMESTAMP (out) = GST_BUFFER_TIMESTAMP (buffer);
-
- outdata = gst_rtp_buffer_get_payload (out);
-
- GST_LOG_OBJECT (rtpvrawpay, "created buffer of size %u for MTU %u", left,
- mtu);
-
- /*
- * 0 1 2 3
- * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | Extended Sequence Number | Length |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |F| Line No |C| Offset |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | Length |F| Line No |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * |C| Offset | .
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ .
- * . .
- * . Two (partial) lines of video data .
- * . .
- * +---------------------------------------------------------------+
- */
-
- /* need 2 bytes for the extended sequence number */
- *outdata++ = 0;
- *outdata++ = 0;
- left -= 2;
-
- /* the headers start here */
- headers = outdata;
-
- /* while we can fit at least one header and one pixel */
- while (left > (6 + pgroup)) {
- /* we need a 6 bytes header */
- left -= 6;
-
- /* get how may bytes we need for the remaining pixels */
- pixels = width - offset;
- length = (pixels * pgroup) / rtpvrawpay->xinc;
-
- if (left >= length) {
- /* pixels and header fit completely, we will write them and skip to the
- * next line. */
- next_line = TRUE;
+ 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, pack_line;
+ GstBuffer *out;
+ guint8 *outdata, *headers;
+ gboolean next_line, complete = FALSE;
+ guint length, cont, pixels;
+
+ /* get the max allowed payload length size, we try to fill the complete MTU */
+ left = gst_rtp_buffer_calc_payload_len (mtu, 0, 0);
+ out = gst_rtp_buffer_new_allocate (left, 0, 0);
+
+ if (field == 0) {
+ GST_BUFFER_PTS (out) = GST_BUFFER_PTS (buffer);
} else {
- /* line does not fit completely, see how many pixels fit */
- pixels = (left / pgroup) * rtpvrawpay->xinc;
- length = (pixels * pgroup) / rtpvrawpay->xinc;
- next_line = FALSE;
+ GST_BUFFER_PTS (out) = GST_BUFFER_PTS (buffer) +
+ GST_BUFFER_DURATION (buffer) / 2;
}
- GST_LOG_OBJECT (rtpvrawpay, "filling %u bytes in %u pixels", length,
- pixels);
- left -= length;
- /* write length */
- *outdata++ = (length >> 8) & 0xff;
- *outdata++ = length & 0xff;
+ gst_rtp_buffer_map (out, GST_MAP_WRITE, &rtp);
+ outdata = gst_rtp_buffer_get_payload (&rtp);
+
+ GST_LOG_OBJECT (rtpvrawpay, "created buffer of size %u for MTU %u", left,
+ mtu);
+
+ /*
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Extended Sequence Number | Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |F| Line No |C| Offset |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Length |F| Line No |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |C| Offset | .
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ .
+ * . .
+ * . Two (partial) lines of video data .
+ * . .
+ * +---------------------------------------------------------------+
+ */
+
+ /* need 2 bytes for the extended sequence number */
+ *outdata++ = 0;
+ *outdata++ = 0;
+ left -= 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;
+ }
- /* always 0 for now */
- fieldid = 0x00;
+ /* while we can fit at least one header and one pixel */
+ while (left > (6 + pgroup)) {
+ /* we need a 6 bytes header */
+ left -= 6;
+
+ /* get how may bytes we need for the remaining pixels */
+ pixels = width - offset;
+ length = (pixels * pgroup) / xinc;
+
+ if (left >= length) {
+ /* pixels and header fit completely, we will write them and skip to the
+ * next line. */
+ next_line = TRUE;
+ } else {
+ /* line does not fit completely, see how many pixels fit */
+ pixels = (left / pgroup) * xinc;
+ length = (pixels * pgroup) / xinc;
+ next_line = FALSE;
+ }
+ GST_LOG_OBJECT (rtpvrawpay, "filling %u bytes in %u pixels", length,
+ pixels);
+ left -= length;
- /* write line no */
- *outdata++ = ((line >> 8) & 0x7f) | fieldid;
- *outdata++ = line & 0xff;
+ /* write length */
+ *outdata++ = (length >> 8) & 0xff;
+ *outdata++ = length & 0xff;
- if (next_line) {
- /* go to next line we do this here to make the check below easier */
- line += rtpvrawpay->yinc;
- }
+ /* write line no */
+ *outdata++ = ((line >> 8) & 0x7f) | ((field << 7) & 0x80);
+ *outdata++ = line & 0xff;
- /* calculate continuation marker */
- cont = (left > (6 + pgroup) && line < height) ? 0x80 : 0x00;
+ if (next_line) {
+ /* go to next line we do this here to make the check below easier */
+ line += yinc;
+ }
- /* write offset and continuation marker */
- *outdata++ = ((offset >> 8) & 0x7f) | cont;
- *outdata++ = offset & 0xff;
+ /* calculate continuation marker */
+ cont = (left > (6 + pgroup) && line < height) ? 0x80 : 0x00;
- if (next_line) {
- /* reset offset */
- offset = 0;
- GST_LOG_OBJECT (rtpvrawpay, "go to next line %u", line);
- } else {
- offset += pixels;
- GST_LOG_OBJECT (rtpvrawpay, "next offset %u", offset);
- }
+ /* write offset and continuation marker */
+ *outdata++ = ((offset >> 8) & 0x7f) | cont;
+ *outdata++ = offset & 0xff;
- if (!cont)
- break;
- }
- GST_LOG_OBJECT (rtpvrawpay, "consumed %u bytes",
- (guint) (outdata - headers));
-
- /* second pass, read headers and write the data */
- while (TRUE) {
- guint offs, lin;
-
- /* read length and cont */
- length = (headers[0] << 8) | headers[1];
- lin = ((headers[2] & 0x7f) << 8) | headers[3];
- offs = ((headers[4] & 0x7f) << 8) | headers[5];
- cont = headers[4] & 0x80;
- pixels = length / pgroup;
- headers += 6;
-
- GST_LOG_OBJECT (payload, "writing length %u, line %u, offset %u, cont %d",
- length, lin, offs, cont);
-
- switch (rtpvrawpay->sampling) {
- 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);
- outdata += length;
+ if (next_line) {
+ /* reset offset */
+ offset = 0;
+ GST_LOG_OBJECT (rtpvrawpay, "go to next line %u", line);
+ } else {
+ offset += pixels;
+ GST_LOG_OBJECT (rtpvrawpay, "next offset %u", offset);
+ }
+
+ if (!cont)
break;
- case GST_VIDEO_FORMAT_AYUV:
- {
- gint i;
- guint8 *datap;
-
- datap = yp + (lin * ystride) + (offs * 4);
-
- for (i = 0; i < pixels; i++) {
- *outdata++ = datap[2];
- *outdata++ = datap[1];
- *outdata++ = datap[3];
- datap += 4;
+ }
+ GST_LOG_OBJECT (rtpvrawpay, "consumed %u bytes",
+ (guint) (outdata - headers));
+
+ /* second pass, read headers and write the data */
+ while (TRUE) {
+ guint offs, lin;
+
+ /* read length and cont */
+ length = (headers[0] << 8) | headers[1];
+ lin = ((headers[2] & 0x7f) << 8) | headers[3];
+ offs = ((headers[4] & 0x7f) << 8) | headers[5];
+ cont = headers[4] & 0x80;
+ pixels = length / pgroup;
+ headers += 6;
+
+ GST_LOG_OBJECT (payload,
+ "writing length %u, line %u, offset %u, cont %d", length, lin, offs,
+ cont);
+
+ 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:
+ 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 = p0 + (lin * ystride) + (offs * 4);
+
+ for (i = 0; i < pixels; i++) {
+ *outdata++ = datap[2];
+ *outdata++ = datap[1];
+ *outdata++ = datap[3];
+ datap += 4;
+ }
+ break;
}
- break;
- }
- case GST_VIDEO_FORMAT_I420:
- {
- gint i;
- guint uvoff;
- guint8 *yd1p, *yd2p, *udp, *vdp;
-
- yd1p = yp + (lin * ystride) + (offs);
- yd2p = yd1p + ystride;
- uvoff =
- (lin / rtpvrawpay->yinc * uvstride) + (offs / rtpvrawpay->xinc);
- udp = up + uvoff;
- vdp = vp + uvoff;
-
- for (i = 0; i < pixels; i++) {
- *outdata++ = *yd1p++;
- *outdata++ = *yd1p++;
- *outdata++ = *yd2p++;
- *outdata++ = *yd2p++;
- *outdata++ = *udp++;
- *outdata++ = *vdp++;
+ case GST_VIDEO_FORMAT_I420:
+ {
+ gint i;
+ guint uvoff;
+ guint8 *yd1p, *yd2p, *udp, *vdp;
+
+ yd1p = yp + (lin * ystride) + (offs);
+ yd2p = yd1p + ystride;
+ uvoff = (lin / yinc * uvstride) + (offs / xinc);
+ udp = up + uvoff;
+ vdp = vp + uvoff;
+
+ for (i = 0; i < pixels; i++) {
+ *outdata++ = *yd1p++;
+ *outdata++ = *yd1p++;
+ *outdata++ = *yd2p++;
+ *outdata++ = *yd2p++;
+ *outdata++ = *udp++;
+ *outdata++ = *vdp++;
+ }
+ break;
}
- break;
- }
- case GST_VIDEO_FORMAT_Y41B:
- {
- gint i;
- guint uvoff;
- guint8 *ydp, *udp, *vdp;
-
- ydp = yp + (lin * ystride) + offs;
- uvoff =
- (lin / rtpvrawpay->yinc * uvstride) + (offs / rtpvrawpay->xinc);
- udp = up + uvoff;
- vdp = vp + uvoff;
-
- for (i = 0; i < pixels; i++) {
- *outdata++ = *udp++;
- *outdata++ = *ydp++;
- *outdata++ = *ydp++;
- *outdata++ = *vdp++;
- *outdata++ = *ydp++;
- *outdata++ = *ydp++;
+ case GST_VIDEO_FORMAT_Y41B:
+ {
+ gint i;
+ guint uvoff;
+ guint8 *ydp, *udp, *vdp;
+
+ ydp = yp + (lin * ystride) + offs;
+ uvoff = (lin / yinc * uvstride) + (offs / xinc);
+ udp = up + uvoff;
+ vdp = vp + uvoff;
+
+ for (i = 0; i < pixels; i++) {
+ *outdata++ = *udp++;
+ *outdata++ = *ydp++;
+ *outdata++ = *ydp++;
+ *outdata++ = *vdp++;
+ *outdata++ = *ydp++;
+ *outdata++ = *ydp++;
+ }
+ break;
}
- break;
+ default:
+ gst_rtp_buffer_unmap (&rtp);
+ gst_buffer_unref (out);
+ goto unknown_sampling;
}
- default:
- gst_buffer_unref (out);
- goto unknown_sampling;
+
+ if (!cont)
+ break;
}
- if (!cont)
- break;
- }
+ 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_LOG_OBJECT (rtpvrawpay, "we have %u bytes left", left);
+ gst_buffer_resize (out, 0, gst_buffer_get_size (out) - left);
+ }
- if (line >= height) {
- GST_LOG_OBJECT (rtpvrawpay, "frame complete, set marker");
- gst_rtp_buffer_set_marker (out, TRUE);
- }
- if (left > 0) {
- GST_LOG_OBJECT (rtpvrawpay, "we have %u bytes left", left);
- GST_BUFFER_SIZE (out) -= left;
+ 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;
+ }
}
- /* push buffer */
- ret = gst_basertppayload_push (payload, out);
}
+
+ gst_video_frame_unmap (&frame);
gst_buffer_unref (buffer);
return ret;
{
GST_ELEMENT_ERROR (payload, STREAM, FORMAT,
(NULL), ("unimplemented sampling"));
+ gst_video_frame_unmap (&frame);
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