mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 10:11:08 +00:00
gst/rtp/: Caps extra properties must be defined as strings for depayloaders because they are generated from an SDP.
Original commit message from CVS: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpmp4gdepay.c: Caps extra properties must be defined as strings for depayloaders because they are generated from an SDP. * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtph264depay.c: (gst_rtp_h264_depay_base_init), (gst_rtp_h264_depay_class_init), (gst_rtp_h264_depay_init), (gst_rtp_h264_depay_finalize), (decode_base64), (gst_rtp_h264_depay_setcaps), (gst_rtp_h264_depay_process), (gst_rtp_h264_depay_set_property), (gst_rtp_h264_depay_get_property), (gst_rtp_h264_depay_change_state), (gst_rtp_h264_depay_plugin_init): * gst/rtp/gstrtph264depay.h: Added basic, not completely functional RFC 3984 H264 depayloader.
This commit is contained in:
parent
6eedcfbc8c
commit
ffed349b0b
7 changed files with 600 additions and 15 deletions
20
ChangeLog
20
ChangeLog
|
@ -1,3 +1,23 @@
|
|||
2006-08-16 Wim Taymans <wim@fluendo.com>
|
||||
|
||||
* gst/rtp/gstrtpamrdepay.c:
|
||||
* gst/rtp/gstrtpmp4gdepay.c:
|
||||
Caps extra properties must be defined as strings for
|
||||
depayloaders because they are generated from an SDP.
|
||||
|
||||
* gst/rtp/Makefile.am:
|
||||
* gst/rtp/gstrtp.c: (plugin_init):
|
||||
* gst/rtp/gstrtph264depay.c: (gst_rtp_h264_depay_base_init),
|
||||
(gst_rtp_h264_depay_class_init), (gst_rtp_h264_depay_init),
|
||||
(gst_rtp_h264_depay_finalize), (decode_base64),
|
||||
(gst_rtp_h264_depay_setcaps), (gst_rtp_h264_depay_process),
|
||||
(gst_rtp_h264_depay_set_property),
|
||||
(gst_rtp_h264_depay_get_property),
|
||||
(gst_rtp_h264_depay_change_state),
|
||||
(gst_rtp_h264_depay_plugin_init):
|
||||
* gst/rtp/gstrtph264depay.h:
|
||||
Added basic, not completely functional RFC 3984 H264 depayloader.
|
||||
|
||||
2006-08-16 Wim Taymans <wim@fluendo.com>
|
||||
|
||||
* gst/rtsp/gstrtpdec.c: (gst_rtpdec_init), (gst_rtpdec_getcaps):
|
||||
|
|
|
@ -16,6 +16,7 @@ libgstrtp_la_SOURCES = \
|
|||
gstrtph263pdepay.c \
|
||||
gstrtph263ppay.c \
|
||||
gstrtph263pay.c \
|
||||
gstrtph264depay.c \
|
||||
gstasteriskh263.c \
|
||||
gstrtpmp2tdepay.c \
|
||||
gstrtpmp4vdepay.c \
|
||||
|
@ -54,6 +55,7 @@ noinst_HEADERS = \
|
|||
gstrtph263pdepay.h \
|
||||
gstrtph263ppay.h \
|
||||
gstrtph263pay.h \
|
||||
gstrtph264depay.h \
|
||||
gstrtpmp2tdepay.h \
|
||||
gstrtpmp4vdepay.h \
|
||||
gstrtpmp4vpay.h \
|
||||
|
|
|
@ -35,6 +35,7 @@
|
|||
#include "gstrtph263pdepay.h"
|
||||
#include "gstrtph263ppay.h"
|
||||
#include "gstrtph263pay.h"
|
||||
#include "gstrtph264depay.h"
|
||||
#include "gstasteriskh263.h"
|
||||
#include "gstrtpmp2tdepay.h"
|
||||
#include "gstrtpmp4vdepay.h"
|
||||
|
@ -89,6 +90,9 @@ plugin_init (GstPlugin * plugin)
|
|||
if (!gst_rtp_h263_pay_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_rtp_h264_depay_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_asteriskh263_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
|
|
|
@ -65,6 +65,8 @@ GST_STATIC_PAD_TEMPLATE ("sink",
|
|||
"clock-rate = (int) 8000, "
|
||||
"encoding-name = (string) \"AMR\", "
|
||||
"encoding-params = (string) \"1\", "
|
||||
/* NOTE that all values must be strings in orde to be able to do SDP <->
|
||||
* GstCaps mapping. */
|
||||
"octet-align = (string) \"1\", "
|
||||
"crc = (string) { \"0\", \"1\" }, "
|
||||
"robust-sorting = (string) \"0\", " "interleaving = (string) \"0\""
|
||||
|
|
495
gst/rtp/gstrtph264depay.c
Normal file
495
gst/rtp/gstrtph264depay.c
Normal file
|
@ -0,0 +1,495 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2006> Wim Taymans <wim@fluendo.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#include <gst/rtp/gstrtpbuffer.h>
|
||||
#include "gstrtph264depay.h"
|
||||
|
||||
/* elementfactory information */
|
||||
static const GstElementDetails gst_rtp_h264depay_details =
|
||||
GST_ELEMENT_DETAILS ("RTP packet parser",
|
||||
"Codec/Depayr/Network",
|
||||
"Extracts H264 video from RTP packets (RFC 3984)",
|
||||
"Wim Taymans <wim@fluendo.com>");
|
||||
|
||||
/* RtpH264Depay signals and args */
|
||||
enum
|
||||
{
|
||||
/* FILL ME */
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
ARG_0,
|
||||
ARG_FREQUENCY
|
||||
};
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_h264_depay_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("video/x-h264")
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_h264_depay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"media = (string) \"video\", "
|
||||
"clock-rate = (int) 90000, " "encoding-name = (string) \"H264\"")
|
||||
/** optional parameters **/
|
||||
/* "profile-level-id = (string) ANY, " */
|
||||
/* "max-mbps = (string) ANY, " */
|
||||
/* "max-fs = (string) ANY, " */
|
||||
/* "max-cpb = (string) ANY, " */
|
||||
/* "max-dpb = (string) ANY, " */
|
||||
/* "max-br = (string) ANY, " */
|
||||
/* "redundant-pic-cap = (string) { \"0\", \"1\" }, " */
|
||||
/* "sprop-parameter-sets = (string) ANY, " */
|
||||
/* "parameter-add = (string) { \"0\", \"1\" }, " */
|
||||
/* "packetization-mode = (string) { \"0\", \"1\", \"2\" }, " */
|
||||
/* "sprop-interleaving-depth = (string) ANY, " */
|
||||
/* "sprop-deint-buf-req = (string) ANY, " */
|
||||
/* "deint-buf-cap = (string) ANY, " */
|
||||
/* "sprop-init-buf-time = (string) ANY, " */
|
||||
/* "sprop-max-don-diff = (string) ANY, " */
|
||||
/* "max-rcmd-nalu-size = (string) ANY " */
|
||||
);
|
||||
|
||||
GST_BOILERPLATE (GstRtpH264Depay, gst_rtp_h264_depay, GstBaseRTPDepayload,
|
||||
GST_TYPE_BASE_RTP_DEPAYLOAD);
|
||||
|
||||
static void gst_rtp_h264_depay_finalize (GObject * object);
|
||||
static void gst_rtp_h264_depay_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec);
|
||||
static void gst_rtp_h264_depay_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec);
|
||||
|
||||
static GstStateChangeReturn gst_rtp_h264_depay_change_state (GstElement *
|
||||
element, GstStateChange transition);
|
||||
|
||||
static GstBuffer *gst_rtp_h264_depay_process (GstBaseRTPDepayload * depayload,
|
||||
GstBuffer * buf);
|
||||
static gboolean gst_rtp_h264_depay_setcaps (GstBaseRTPDepayload * filter,
|
||||
GstCaps * caps);
|
||||
|
||||
static void
|
||||
gst_rtp_h264_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 (&gst_rtp_h264_depay_src_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_h264_depay_sink_template));
|
||||
|
||||
gst_element_class_set_details (element_class, &gst_rtp_h264depay_details);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_h264_depay_class_init (GstRtpH264DepayClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
|
||||
|
||||
parent_class = g_type_class_peek_parent (klass);
|
||||
|
||||
gstbasertpdepayload_class->process = gst_rtp_h264_depay_process;
|
||||
gstbasertpdepayload_class->set_caps = gst_rtp_h264_depay_setcaps;
|
||||
|
||||
gobject_class->finalize = gst_rtp_h264_depay_finalize;
|
||||
|
||||
gobject_class->set_property = gst_rtp_h264_depay_set_property;
|
||||
gobject_class->get_property = gst_rtp_h264_depay_get_property;
|
||||
|
||||
gstelement_class->change_state = gst_rtp_h264_depay_change_state;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_h264_depay_init (GstRtpH264Depay * rtph264depay,
|
||||
GstRtpH264DepayClass * klass)
|
||||
{
|
||||
rtph264depay->adapter = gst_adapter_new ();
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_h264_depay_finalize (GObject * object)
|
||||
{
|
||||
GstRtpH264Depay *rtph264depay;
|
||||
|
||||
rtph264depay = GST_RTP_H264_DEPAY (object);
|
||||
|
||||
g_object_unref (rtph264depay->adapter);
|
||||
rtph264depay->adapter = NULL;
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static const guint8 a2bin[256] = {
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
|
||||
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
|
||||
64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
||||
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
|
||||
64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
|
||||
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
|
||||
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
|
||||
};
|
||||
|
||||
static guint
|
||||
decode_base64 (gchar * in, guint8 * out)
|
||||
{
|
||||
guint8 v1, v2;
|
||||
guint len = 0;
|
||||
|
||||
v1 = a2bin[(gint) * in];
|
||||
while (v1 < 63) {
|
||||
/* read 4 bytes, write 3 bytes, invalid base64 are zeroes */
|
||||
v2 = a2bin[(gint) * ++in];
|
||||
*out++ = (v1 << 2) | ((v2 & 0x3f) >> 4);
|
||||
v1 = (v2 > 63 ? 64 : a2bin[(gint) * ++in]);
|
||||
*out++ = (v2 << 4) | ((v1 & 0x3f) >> 2);
|
||||
v2 = (v1 > 63 ? 64 : a2bin[(gint) * ++in]);
|
||||
*out++ = (v1 << 6) | (v2 & 0x3f);
|
||||
v1 = (v2 > 63 ? 64 : a2bin[(gint) * ++in]);
|
||||
len += 3;
|
||||
}
|
||||
/* move to '\0' */
|
||||
while (*in != '\0')
|
||||
in++;
|
||||
|
||||
/* subtract padding */
|
||||
while (len > 0 && *--in == '=')
|
||||
len--;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_h264_depay_setcaps (GstBaseRTPDepayload * filter, GstCaps * caps)
|
||||
{
|
||||
GstCaps *srccaps = NULL;
|
||||
gint clock_rate = 90000;
|
||||
GstStructure *structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
if (gst_structure_has_field (structure, "clock-rate")) {
|
||||
gst_structure_get_int (structure, "clock-rate", &clock_rate);
|
||||
}
|
||||
|
||||
srccaps = gst_caps_new_simple ("video/x-h264", NULL);
|
||||
|
||||
if (gst_structure_has_field (structure, "sprop-parameter-sets")) {
|
||||
const gchar *ps;
|
||||
gchar **params;
|
||||
guint len, total;
|
||||
gint i;
|
||||
GstBuffer *codec_data;
|
||||
guint8 *b64;
|
||||
|
||||
/* Base64 encoded, comma separated config NALs */
|
||||
ps = gst_structure_get_string (structure, "sprop-parameter-sets");
|
||||
params = g_strsplit (ps, ",", 0);
|
||||
|
||||
/* count total number of bytes in base64 */
|
||||
len = 0;
|
||||
for (i = 0; params[i]; i++) {
|
||||
len += strlen (params[i]);
|
||||
}
|
||||
/* we seriously overshoot the length, but it's fine. */
|
||||
codec_data = gst_buffer_new_and_alloc (len);
|
||||
b64 = GST_BUFFER_DATA (codec_data);
|
||||
|
||||
total = 0;
|
||||
for (i = 0; params[i]; i++) {
|
||||
*b64++ = 0;
|
||||
*b64++ = 0;
|
||||
*b64++ = 1;
|
||||
len = decode_base64 (params[i], b64);
|
||||
total += (len + 3);
|
||||
b64 += len;
|
||||
}
|
||||
GST_BUFFER_SIZE (codec_data) = total;
|
||||
|
||||
gst_caps_set_simple (srccaps,
|
||||
"codec_data", GST_TYPE_BUFFER, codec_data, NULL);
|
||||
}
|
||||
|
||||
filter->clock_rate = clock_rate;
|
||||
|
||||
gst_pad_set_caps (filter->srcpad, srccaps);
|
||||
gst_caps_unref (srccaps);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
gst_rtp_h264_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
|
||||
{
|
||||
|
||||
GstRtpH264Depay *rtph264depay;
|
||||
GstBuffer *outbuf;
|
||||
|
||||
rtph264depay = GST_RTP_H264_DEPAY (depayload);
|
||||
|
||||
if (!gst_rtp_buffer_validate (buf))
|
||||
goto bad_packet;
|
||||
|
||||
{
|
||||
gint payload_len;
|
||||
guint8 *payload;
|
||||
guint header_len;
|
||||
guint8 nal_ref_idc, nal_unit_type;
|
||||
|
||||
payload_len = gst_rtp_buffer_get_payload_len (buf);
|
||||
payload = gst_rtp_buffer_get_payload (buf);
|
||||
|
||||
/* +---------------+
|
||||
* |0|1|2|3|4|5|6|7|
|
||||
* +-+-+-+-+-+-+-+-+
|
||||
* |F|NRI| Type |
|
||||
* +---------------+
|
||||
*
|
||||
* F must be 0.
|
||||
*/
|
||||
nal_ref_idc = (payload[0] & 0x60) >> 5;
|
||||
nal_unit_type = payload[0] & 0x1f;
|
||||
|
||||
GST_DEBUG_OBJECT (rtph264depay, "NRI %d, Type %d", nal_ref_idc,
|
||||
nal_unit_type);
|
||||
|
||||
switch (nal_unit_type) {
|
||||
case 0:
|
||||
case 30:
|
||||
case 31:
|
||||
/* undefined */
|
||||
goto undefined_type;
|
||||
case 24:
|
||||
/* STAP-A Single-time aggregation packet 5.7.1 */
|
||||
header_len = 1;
|
||||
break;
|
||||
case 25:
|
||||
/* STAP-B Single-time aggregation packet 5.7.1 */
|
||||
case 26:
|
||||
/* MTAP16 Multi-time aggregation packet 5.7.2 */
|
||||
case 27:
|
||||
/* MTAP24 Multi-time aggregation packet 5.7.2 */
|
||||
header_len = 3;
|
||||
break;
|
||||
case 28:
|
||||
case 29:
|
||||
{
|
||||
/* FU-A Fragmentation unit 5.8 */
|
||||
/* FU-B Fragmentation unit 5.8 */
|
||||
gboolean S, E;
|
||||
|
||||
/* +---------------+
|
||||
* |0|1|2|3|4|5|6|7|
|
||||
* +-+-+-+-+-+-+-+-+
|
||||
* |S|E|R| Type |
|
||||
* +---------------+
|
||||
*
|
||||
* R is reserved and always 0
|
||||
*/
|
||||
S = (payload[1] & 0x80) == 0x80;
|
||||
E = (payload[1] & 0x40) == 0x40;
|
||||
|
||||
GST_DEBUG_OBJECT (rtph264depay, "S %d, E %d", S, E);
|
||||
|
||||
if (S) {
|
||||
/* NAL unit starts here */
|
||||
guint8 *outdata;
|
||||
guint outsize;
|
||||
|
||||
outsize = payload_len - 1;
|
||||
|
||||
outbuf = gst_buffer_new_and_alloc (outsize + 3);
|
||||
outdata = GST_BUFFER_DATA (outbuf);
|
||||
memcpy (outdata + 3, payload + 1, outsize);
|
||||
/* reconstruct NAL header */
|
||||
outdata[0] = 0x00;
|
||||
outdata[1] = 0x00;
|
||||
outdata[2] = 0x01;
|
||||
outdata[3] = (payload[0] & 0xe0) | (payload[1] & 0x1f);
|
||||
|
||||
/* and assemble in the adapter */
|
||||
gst_adapter_push (rtph264depay->adapter, outbuf);
|
||||
} else {
|
||||
/* NAL unit data */
|
||||
guint outsize;
|
||||
guint8 *outdata;
|
||||
|
||||
/* strip off 2 header bytes */
|
||||
outsize = payload_len - 2;
|
||||
|
||||
outbuf = gst_buffer_new_and_alloc (outsize);
|
||||
outdata = GST_BUFFER_DATA (outbuf);
|
||||
memcpy (outdata, payload + 2, outsize);
|
||||
|
||||
/* and assemble in the adapter */
|
||||
gst_adapter_push (rtph264depay->adapter, outbuf);
|
||||
}
|
||||
|
||||
/* if NAL unit ends, flush the adapter */
|
||||
if (E) {
|
||||
guint outsize;
|
||||
guint8 *outdata;
|
||||
|
||||
outsize = gst_adapter_available (rtph264depay->adapter);
|
||||
outdata = gst_adapter_take (rtph264depay->adapter, outsize);
|
||||
|
||||
outbuf = gst_buffer_new ();
|
||||
GST_BUFFER_SIZE (outbuf) = outsize;
|
||||
GST_BUFFER_DATA (outbuf) = outdata;
|
||||
GST_BUFFER_MALLOCDATA (outbuf) = outdata;
|
||||
|
||||
gst_buffer_set_caps (outbuf,
|
||||
(GstCaps *) gst_pad_get_pad_template_caps (depayload->srcpad));
|
||||
|
||||
GST_DEBUG_OBJECT (rtph264depay, "output %d bytes", outsize);
|
||||
|
||||
return outbuf;
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
guint outsize;
|
||||
guint8 *outdata;
|
||||
|
||||
/* 1-23 NAL unit Single NAL unit packet per H.264 5.6 */
|
||||
/* the entire payload is the output buffer */
|
||||
outsize = payload_len + 3;
|
||||
outbuf = gst_buffer_new_and_alloc (outsize);
|
||||
outdata = GST_BUFFER_DATA (outbuf);
|
||||
outdata[0] = 0;
|
||||
outdata[1] = 0;
|
||||
outdata[2] = 1;
|
||||
memcpy (&outdata[3], payload, payload_len);
|
||||
|
||||
gst_buffer_set_caps (outbuf,
|
||||
(GstCaps *) gst_pad_get_pad_template_caps (depayload->srcpad));
|
||||
|
||||
return outbuf;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
|
||||
/* ERRORS */
|
||||
bad_packet:
|
||||
{
|
||||
GST_ELEMENT_WARNING (rtph264depay, STREAM, DECODE,
|
||||
("Packet did not validate"), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
undefined_type:
|
||||
{
|
||||
GST_ELEMENT_WARNING (rtph264depay, STREAM, DECODE,
|
||||
("Undefined packet type"), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_h264_depay_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstRtpH264Depay *rtph264depay;
|
||||
|
||||
rtph264depay = GST_RTP_H264_DEPAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_h264_depay_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstRtpH264Depay *rtph264depay;
|
||||
|
||||
rtph264depay = GST_RTP_H264_DEPAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_rtp_h264_depay_change_state (GstElement * element,
|
||||
GstStateChange transition)
|
||||
{
|
||||
GstRtpH264Depay *rtph264depay;
|
||||
GstStateChangeReturn ret;
|
||||
|
||||
rtph264depay = GST_RTP_H264_DEPAY (element);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||
gst_adapter_clear (rtph264depay->adapter);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_h264_depay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtph264depay",
|
||||
GST_RANK_NONE, GST_TYPE_RTP_H264_DEPAY);
|
||||
}
|
61
gst/rtp/gstrtph264depay.h
Normal file
61
gst/rtp/gstrtph264depay.h
Normal file
|
@ -0,0 +1,61 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2006> Wim Taymans <wim@fluendo.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_H264_DEPAY_H__
|
||||
#define __GST_RTP_H264_DEPAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/base/gstadapter.h>
|
||||
#include <gst/rtp/gstbasertpdepayload.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_RTP_H264_DEPAY \
|
||||
(gst_rtp_h264_depay_get_type())
|
||||
#define GST_RTP_H264_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H264_DEPAY,GstRtpH264Depay))
|
||||
#define GST_RTP_H264_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H264_DEPAY,GstRtpH264DepayClass))
|
||||
#define GST_IS_RTP_H264_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H264_DEPAY))
|
||||
#define GST_IS_RTP_H264_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H264_DEPAY))
|
||||
|
||||
typedef struct _GstRtpH264Depay GstRtpH264Depay;
|
||||
typedef struct _GstRtpH264DepayClass GstRtpH264DepayClass;
|
||||
|
||||
struct _GstRtpH264Depay
|
||||
{
|
||||
GstBaseRTPDepayload depayload;
|
||||
|
||||
GstAdapter *adapter;
|
||||
|
||||
guint frequency;
|
||||
};
|
||||
|
||||
struct _GstRtpH264DepayClass
|
||||
{
|
||||
GstBaseRTPDepayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_h264_depay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_RTP_H264_DEPAY_H__ */
|
|
@ -68,24 +68,25 @@ GST_STATIC_PAD_TEMPLATE ("sink",
|
|||
"clock-rate = (int) [1, MAX ], "
|
||||
"encoding-name = (string) \"mpeg4-generic\", "
|
||||
/* required string params */
|
||||
"streamtype = (int) { \"4\", \"5\" }, " /* 4 = video, 5 = audio */
|
||||
"profile-level-id = (int) [1,MAX], "
|
||||
"streamtype = (string) { \"4\", \"5\" }, " /* 4 = video, 5 = audio */
|
||||
/* "profile-level-id = (string) [1,MAX], " */
|
||||
/* "config = (string) [1,MAX]" */
|
||||
"mode = (string) { \"generic\", \"CELP-cbr\", \"CELP-vbr\", \"AAC-lbr\", \"AAC-hbr\" }, "
|
||||
"mode = (string) { \"generic\", \"CELP-cbr\", \"CELP-vbr\", \"AAC-lbr\", \"AAC-hbr\" } "
|
||||
/* Optional general parameters */
|
||||
"objecttype = (int) [1,MAX], " "constantsize = (int) [1,MAX], " /* constant size of each AU */
|
||||
"constantduration = (int) [1,MAX], " /* constant duration of each AU */
|
||||
"maxdisplacement = (int) [1,MAX], "
|
||||
"de-interleavebuffersize = (int) [1,MAX], "
|
||||
/* "objecttype = (string) [1,MAX], " */
|
||||
/* "constantsize = (string) [1,MAX], " *//* constant size of each AU */
|
||||
/* "constantduration = (string) [1,MAX], " *//* constant duration of each AU */
|
||||
/* "maxdisplacement = (string) [1,MAX], " */
|
||||
/* "de-interleavebuffersize = (string) [1,MAX], " */
|
||||
/* Optional configuration parameters */
|
||||
"sizelength = (int) [1, 16], " /* max 16 bits, should be enough... */
|
||||
"indexlength = (int) [1, 8], "
|
||||
"indexdeltalength = (int) [1, 8], "
|
||||
"ctsdeltalength = (int) [1, 64], "
|
||||
"dtsdeltalength = (int) [1, 64], "
|
||||
"randomaccessindication = (int) {0, 1}, "
|
||||
"streamstateindication = (int) [0, 64], "
|
||||
"auxiliarydatasizelength = (int) [0, 64]")
|
||||
/* "sizelength = (string) [1, 16], " *//* max 16 bits, should be enough... */
|
||||
/* "indexlength = (string) [1, 8], " */
|
||||
/* "indexdeltalength = (string) [1, 8], " */
|
||||
/* "ctsdeltalength = (string) [1, 64], " */
|
||||
/* "dtsdeltalength = (string) [1, 64], " */
|
||||
/* "randomaccessindication = (string) {0, 1}, " */
|
||||
/* "streamstateindication = (string) [0, 64], " */
|
||||
/* "auxiliarydatasizelength = (string) [0, 64]" */ )
|
||||
);
|
||||
|
||||
GST_BOILERPLATE (GstRtpMP4GDepay, gst_rtp_mp4g_depay, GstBaseRTPDepayload,
|
||||
|
|
Loading…
Reference in a new issue