mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 03:30:35 +00:00
rtpvp8: remove and move to -good
https://bugzilla.gnome.org/show_bug.cgi?id=687263
This commit is contained in:
Tim-Philipp Müller
parent
1f6944efc1
commit
854626c908
14 changed files with 2 additions and 1150 deletions
|
|
@ -67,7 +67,6 @@ GST_PLUGINS_BAD_BUILT_SOURCES := \
|
|||
gst/invtelecine/Android.mk \
|
||||
gst/hdvparse/Android.mk \
|
||||
gst/stereo/Android.mk \
|
||||
gst/rtpvp8/Android.mk \
|
||||
gst/mpegdemux/Android.mk \
|
||||
gst/ivfparse/Android.mk
|
||||
|
||||
|
|
@ -161,6 +160,5 @@ CONFIGURE_TARGETS += gst-plugins-bad-configure
|
|||
-include $(GST_PLUGINS_BAD_TOP)/gst/invtelecine/Android.mk
|
||||
-include $(GST_PLUGINS_BAD_TOP)/gst/hdvparse/Android.mk
|
||||
-include $(GST_PLUGINS_BAD_TOP)/gst/stereo/Android.mk
|
||||
-include $(GST_PLUGINS_BAD_TOP)/gst/rtpvp8/Android.mk
|
||||
-include $(GST_PLUGINS_BAD_TOP)/gst/mpegdemux/Android.mk
|
||||
-include $(GST_PLUGINS_BAD_TOP)/gst/ivfparse/Android.mk
|
||||
|
|
|
|||
|
|
@ -54,6 +54,7 @@ CRUFT_FILES = \
|
|||
$(top_builddir)/gst/imagefreeze/.libs/*.{so,dll,DLL,dylib} \
|
||||
$(top_builddir)/gst/mpeg4videoparse/.libs/*.{so,dll,DLL,dylib} \
|
||||
$(top_builddir)/gst/qtmux/.libs/*.{so,dll,DLL,dylib} \
|
||||
$(top_builddir)/gst/rtpvp8/.libs/*.{so,dll,DLL,dylib} \
|
||||
$(top_builddir)/gst/selector/.libs/*.{so,dll,DLL,dylib} \
|
||||
$(top_builddir)/gst/shapewipe/.libs/*.{so,dll,DLL,dylib} \
|
||||
$(top_builddir)/gst/valve/.libs/*.{so,dll,DLL,dylib} \
|
||||
|
|
@ -82,6 +83,7 @@ CRUFT_DIRS = \
|
|||
$(top_srcdir)/gst/invtelecine \
|
||||
$(top_srcdir)/gst/mpeg4videoparse \
|
||||
$(top_srcdir)/gst/qtmux \
|
||||
$(top_srcdir)/gst/rtpvp8 \
|
||||
$(top_srcdir)/gst/selector \
|
||||
$(top_srcdir)/gst/shapewipe \
|
||||
$(top_srcdir)/gst/valve \
|
||||
|
|
|
|||
|
|
@ -379,7 +379,6 @@ AG_GST_CHECK_PLUGIN(rawparse)
|
|||
AG_GST_CHECK_PLUGIN(real)
|
||||
AG_GST_CHECK_PLUGIN(removesilence)
|
||||
AG_GST_CHECK_PLUGIN(rtpmux)
|
||||
AG_GST_CHECK_PLUGIN(rtpvp8)
|
||||
AG_GST_CHECK_PLUGIN(scaletempo)
|
||||
AG_GST_CHECK_PLUGIN(sdi)
|
||||
AG_GST_CHECK_PLUGIN(sdp)
|
||||
|
|
@ -2065,7 +2064,6 @@ gst/rawparse/Makefile
|
|||
gst/real/Makefile
|
||||
gst/removesilence/Makefile
|
||||
gst/rtpmux/Makefile
|
||||
gst/rtpvp8/Makefile
|
||||
gst/scaletempo/Makefile
|
||||
gst/sdi/Makefile
|
||||
gst/sdp/Makefile
|
||||
|
|
|
|||
|
|
@ -1,55 +0,0 @@
|
|||
<plugin>
|
||||
<name>rtpvp8</name>
|
||||
<description>rtpvp8</description>
|
||||
<filename>../../gst/rtpvp8/.libs/libgstrtpvp8.so</filename>
|
||||
<basename>libgstrtpvp8.so</basename>
|
||||
<version>1.1.0.1</version>
|
||||
<license>LGPL</license>
|
||||
<source>gst-plugins-bad</source>
|
||||
<package>GStreamer Bad Plug-ins git</package>
|
||||
<origin>Unknown package origin</origin>
|
||||
<elements>
|
||||
<element>
|
||||
<name>rtpvp8depay</name>
|
||||
<longname>RTP VP8 depayloader</longname>
|
||||
<class>Codec/Depayloader/Network/RTP</class>
|
||||
<description>Extracts VP8 video from RTP packets)</description>
|
||||
<author>Sjoerd Simons <sjoerd@luon.net></author>
|
||||
<pads>
|
||||
<caps>
|
||||
<name>sink</name>
|
||||
<direction>sink</direction>
|
||||
<presence>always</presence>
|
||||
<details>application/x-rtp, payload=(int)[ 96, 127 ], clock-rate=(int)90000, media=(string)video, encoding-name=(string)VP8-DRAFT-IETF-01</details>
|
||||
</caps>
|
||||
<caps>
|
||||
<name>src</name>
|
||||
<direction>source</direction>
|
||||
<presence>always</presence>
|
||||
<details>video/x-vp8</details>
|
||||
</caps>
|
||||
</pads>
|
||||
</element>
|
||||
<element>
|
||||
<name>rtpvp8pay</name>
|
||||
<longname>RTP VP8 payloader</longname>
|
||||
<class>Codec/Payloader/Network/RTP</class>
|
||||
<description>Puts VP8 video in RTP packets)</description>
|
||||
<author>Sjoerd Simons <sjoerd@luon.net></author>
|
||||
<pads>
|
||||
<caps>
|
||||
<name>sink</name>
|
||||
<direction>sink</direction>
|
||||
<presence>always</presence>
|
||||
<details>video/x-vp8</details>
|
||||
</caps>
|
||||
<caps>
|
||||
<name>src</name>
|
||||
<direction>source</direction>
|
||||
<presence>always</presence>
|
||||
<details>application/x-rtp, payload=(int)[ 96, 127 ], clock-rate=(int)90000, encoding-name=(string)VP8-DRAFT-IETF-01</details>
|
||||
</caps>
|
||||
</pads>
|
||||
</element>
|
||||
</elements>
|
||||
</plugin>
|
||||
|
|
@ -317,7 +317,6 @@ make ERROR_CFLAGS='' ERROR_CXXFLAGS=''
|
|||
# %{_libdir}/gstreamer-%{majorminor}/libgstsndfile.so
|
||||
%{_libdir}/gstreamer-%{majorminor}/libgstfrei0r.so
|
||||
%{_libdir}/gstreamer-%{majorminor}/libgstopencv.so
|
||||
%{_libdir}/gstreamer-%{majorminor}/libgstrtpvp8.so
|
||||
%{_libdir}/gstreamer-%{majorminor}/libgstvoamrwbenc.so
|
||||
%{_datadir}/gstreamer-%{majorminor}/presets/*.prs
|
||||
|
||||
|
|
|
|||
|
|
@ -1,32 +0,0 @@
|
|||
plugin_LTLIBRARIES = libgstrtpvp8.la
|
||||
|
||||
libgstrtpvp8_la_SOURCES = gstrtpvp8.c \
|
||||
gstrtpvp8depay.c \
|
||||
gstrtpvp8pay.c \
|
||||
dboolhuff.c
|
||||
|
||||
noinst_HEADERS = gstrtpvp8depay.h \
|
||||
gstrtpvp8pay.h \
|
||||
dboolhuff.h
|
||||
|
||||
libgstrtpvp8_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) \
|
||||
$(GST_BASE_CFLAGS) $(GST_CFLAGS) \
|
||||
-Dvp8_norm=gst_rtpvp8_vp8_norm
|
||||
libgstrtpvp8_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstrtp-@GST_API_VERSION@ \
|
||||
$(GST_BASE_LIBS) $(GST_LIBS)
|
||||
libgstrtpvp8_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
|
||||
libgstrtpvp8_la_LIBTOOLFLAGS = --tag=disable-static
|
||||
|
||||
Android.mk: Makefile.am $(BUILT_SOURCES)
|
||||
androgenizer \
|
||||
-:PROJECT libgstrtpvp8 -:SHARED libgstrtpvp8 \
|
||||
-:TAGS eng debug \
|
||||
-:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
|
||||
-:SOURCES $(libgstrtpvp8_la_SOURCES) \
|
||||
-:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstrtpvp8_la_CFLAGS) \
|
||||
-:LDFLAGS $(libgstrtpvp8_la_LDFLAGS) \
|
||||
$(libgstrtpvp8_la_LIBADD) \
|
||||
-ldl \
|
||||
-:PASSTHROUGH LOCAL_ARM_MODE:=arm \
|
||||
LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-@GST_API_VERSION@' \
|
||||
> $@
|
||||
|
|
@ -1,30 +0,0 @@
|
|||
Copyright (c) 2010, Google Inc. All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
notice, this list of conditions and the following disclaimer in
|
||||
the documentation and/or other materials provided with the
|
||||
distribution.
|
||||
|
||||
* Neither the name of Google nor the names of its contributors may
|
||||
be used to endorse or promote products derived from this software
|
||||
without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
|
|
@ -1,68 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the dboolhuff.LICENSE file in this directory.
|
||||
* See the libvpx original distribution for more information,
|
||||
* including patent information, and author information.
|
||||
*/
|
||||
|
||||
|
||||
#include "dboolhuff.h"
|
||||
|
||||
const unsigned char vp8_norm[256] __attribute__ ((aligned (16))) = {
|
||||
0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
|
||||
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
|
||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
|
||||
|
||||
int
|
||||
vp8dx_start_decode (BOOL_DECODER * br,
|
||||
const unsigned char *source, unsigned int source_sz)
|
||||
{
|
||||
br->user_buffer_end = source + source_sz;
|
||||
br->user_buffer = source;
|
||||
br->value = 0;
|
||||
br->count = -8;
|
||||
br->range = 255;
|
||||
|
||||
if (source_sz && !source)
|
||||
return 1;
|
||||
|
||||
/* Populate the buffer */
|
||||
vp8dx_bool_decoder_fill (br);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
vp8dx_bool_decoder_fill (BOOL_DECODER * br)
|
||||
{
|
||||
const unsigned char *bufptr;
|
||||
const unsigned char *bufend;
|
||||
VP8_BD_VALUE value;
|
||||
int count;
|
||||
bufend = br->user_buffer_end;
|
||||
bufptr = br->user_buffer;
|
||||
value = br->value;
|
||||
count = br->count;
|
||||
|
||||
VP8DX_BOOL_DECODER_FILL (count, value, bufptr, bufend);
|
||||
|
||||
br->user_buffer = bufptr;
|
||||
br->value = value;
|
||||
br->count = count;
|
||||
}
|
||||
|
|
@ -1,151 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
||||
*
|
||||
* Use of this source code is governed by a BSD-style license
|
||||
* that can be found in the dboolhuff.LICENSE file in this directory.
|
||||
* See the libvpx original distribution for more information,
|
||||
* including patent information, and author information.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef DBOOLHUFF_H
|
||||
#define DBOOLHUFF_H
|
||||
#include <stddef.h>
|
||||
#include <limits.h>
|
||||
#include <glib.h>
|
||||
|
||||
typedef size_t VP8_BD_VALUE;
|
||||
|
||||
# define VP8_BD_VALUE_SIZE ((int)sizeof(VP8_BD_VALUE)*CHAR_BIT)
|
||||
/*This is meant to be a large, positive constant that can still be efficiently
|
||||
loaded as an immediate (on platforms like ARM, for example).
|
||||
Even relatively modest values like 100 would work fine.*/
|
||||
# define VP8_LOTS_OF_BITS (0x40000000)
|
||||
|
||||
typedef struct
|
||||
{
|
||||
const unsigned char *user_buffer_end;
|
||||
const unsigned char *user_buffer;
|
||||
VP8_BD_VALUE value;
|
||||
int count;
|
||||
unsigned int range;
|
||||
} BOOL_DECODER;
|
||||
|
||||
extern const unsigned char vp8_norm[256] __attribute__((aligned(16)));
|
||||
|
||||
int vp8dx_start_decode(BOOL_DECODER *br,
|
||||
const unsigned char *source,
|
||||
unsigned int source_sz);
|
||||
|
||||
void vp8dx_bool_decoder_fill(BOOL_DECODER *br);
|
||||
|
||||
/*The refill loop is used in several places, so define it in a macro to make
|
||||
sure they're all consistent.
|
||||
An inline function would be cleaner, but has a significant penalty, because
|
||||
multiple BOOL_DECODER fields must be modified, and the compiler is not smart
|
||||
enough to eliminate the stores to those fields and the subsequent reloads
|
||||
from them when inlining the function.*/
|
||||
#define VP8DX_BOOL_DECODER_FILL(_count,_value,_bufptr,_bufend) \
|
||||
do \
|
||||
{ \
|
||||
int shift = VP8_BD_VALUE_SIZE - 8 - ((_count) + 8); \
|
||||
int loop_end, x; \
|
||||
size_t bits_left = ((_bufend)-(_bufptr))*CHAR_BIT; \
|
||||
\
|
||||
x = shift + CHAR_BIT - bits_left; \
|
||||
loop_end = 0; \
|
||||
if(x >= 0) \
|
||||
{ \
|
||||
(_count) += VP8_LOTS_OF_BITS; \
|
||||
loop_end = x; \
|
||||
if(!bits_left) break; \
|
||||
} \
|
||||
while(shift >= loop_end) \
|
||||
{ \
|
||||
(_count) += CHAR_BIT; \
|
||||
(_value) |= (VP8_BD_VALUE)*(_bufptr)++ << shift; \
|
||||
shift -= CHAR_BIT; \
|
||||
} \
|
||||
} \
|
||||
while(0) \
|
||||
|
||||
|
||||
static int vp8dx_decode_bool(BOOL_DECODER *br, int probability) {
|
||||
unsigned int bit = 0;
|
||||
VP8_BD_VALUE value;
|
||||
unsigned int split;
|
||||
VP8_BD_VALUE bigsplit;
|
||||
int count;
|
||||
unsigned int range;
|
||||
|
||||
split = 1 + (((br->range - 1) * probability) >> 8);
|
||||
|
||||
if(br->count < 0)
|
||||
vp8dx_bool_decoder_fill(br);
|
||||
|
||||
value = br->value;
|
||||
count = br->count;
|
||||
|
||||
bigsplit = (VP8_BD_VALUE)split << (VP8_BD_VALUE_SIZE - 8);
|
||||
|
||||
range = split;
|
||||
|
||||
if (value >= bigsplit)
|
||||
{
|
||||
range = br->range - split;
|
||||
value = value - bigsplit;
|
||||
bit = 1;
|
||||
}
|
||||
|
||||
{
|
||||
register unsigned int shift = vp8_norm[range];
|
||||
range <<= shift;
|
||||
value <<= shift;
|
||||
count -= shift;
|
||||
}
|
||||
br->value = value;
|
||||
br->count = count;
|
||||
br->range = range;
|
||||
|
||||
return bit;
|
||||
}
|
||||
|
||||
static G_GNUC_UNUSED int vp8_decode_value(BOOL_DECODER *br, int bits)
|
||||
{
|
||||
int z = 0;
|
||||
int bit;
|
||||
|
||||
for (bit = bits - 1; bit >= 0; bit--)
|
||||
{
|
||||
z |= (vp8dx_decode_bool(br, 0x80) << bit);
|
||||
}
|
||||
|
||||
return z;
|
||||
}
|
||||
|
||||
static G_GNUC_UNUSED int vp8dx_bool_error(BOOL_DECODER *br)
|
||||
{
|
||||
/* Check if we have reached the end of the buffer.
|
||||
*
|
||||
* Variable 'count' stores the number of bits in the 'value' buffer, minus
|
||||
* 8. The top byte is part of the algorithm, and the remainder is buffered
|
||||
* to be shifted into it. So if count == 8, the top 16 bits of 'value' are
|
||||
* occupied, 8 for the algorithm and 8 in the buffer.
|
||||
*
|
||||
* When reading a byte from the user's buffer, count is filled with 8 and
|
||||
* one byte is filled into the value buffer. When we reach the end of the
|
||||
* data, count is additionally filled with VP8_LOTS_OF_BITS. So when
|
||||
* count == VP8_LOTS_OF_BITS - 1, the user's data has been exhausted.
|
||||
*/
|
||||
if ((br->count > VP8_BD_VALUE_SIZE) && (br->count < VP8_LOTS_OF_BITS))
|
||||
{
|
||||
/* We have tried to decode bits after the end of
|
||||
* stream was encountered.
|
||||
*/
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* No error. */
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include "gstrtpvp8pay.h"
|
||||
#include "gstrtpvp8depay.h"
|
||||
|
||||
static gboolean
|
||||
plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
gst_rtp_vp8_depay_plugin_init (plugin);
|
||||
gst_rtp_vp8_pay_plugin_init (plugin);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||
GST_VERSION_MINOR,
|
||||
rtpvp8,
|
||||
"rtpvp8",
|
||||
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|
||||
|
|
@ -1,209 +0,0 @@
|
|||
/*
|
||||
* gstrtpvp8depay.c - Source for GstRtpVP8Depay
|
||||
* Copyright (C) 2011 Sjoerd Simons <sjoerd@luon.net>
|
||||
* Copyright (C) 2011 Collabora Ltd.
|
||||
* Contact: Youness Alaoui <youness.alaoui@collabora.co.uk>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 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
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include "gstrtpvp8depay.h"
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (gst_rtp_vp8_depay_debug);
|
||||
#define GST_CAT_DEFAULT gst_rtp_vp8_depay_debug
|
||||
|
||||
G_DEFINE_TYPE (GstRtpVP8Depay, gst_rtp_vp8_depay, GST_TYPE_RTP_BASE_DEPAYLOAD);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_vp8_depay_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("video/x-vp8"));
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_vp8_depay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ","
|
||||
"clock-rate = (int) 90000,"
|
||||
"media = (string) \"video\","
|
||||
"encoding-name = (string) \"VP8-DRAFT-IETF-01\""));
|
||||
|
||||
static void
|
||||
gst_rtp_vp8_depay_init (GstRtpVP8Depay * self)
|
||||
{
|
||||
self->adapter = gst_adapter_new ();
|
||||
self->started = FALSE;
|
||||
}
|
||||
|
||||
static void gst_rtp_vp8_depay_dispose (GObject * object);
|
||||
static GstBuffer *gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depayload,
|
||||
GstBuffer * buf);
|
||||
static gboolean gst_rtp_vp8_depay_set_caps (GstRTPBaseDepayload * depayload,
|
||||
GstCaps * caps);
|
||||
|
||||
static void
|
||||
gst_rtp_vp8_depay_class_init (GstRtpVP8DepayClass * gst_rtp_vp8_depay_class)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (gst_rtp_vp8_depay_class);
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (gst_rtp_vp8_depay_class);
|
||||
GstRTPBaseDepayloadClass *depay_class =
|
||||
(GstRTPBaseDepayloadClass *) (gst_rtp_vp8_depay_class);
|
||||
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_vp8_depay_sink_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_vp8_depay_src_template));
|
||||
|
||||
gst_element_class_set_static_metadata (element_class, "RTP VP8 depayloader",
|
||||
"Codec/Depayloader/Network/RTP",
|
||||
"Extracts VP8 video from RTP packets)",
|
||||
"Sjoerd Simons <sjoerd@luon.net>");
|
||||
|
||||
object_class->dispose = gst_rtp_vp8_depay_dispose;
|
||||
|
||||
depay_class->process = gst_rtp_vp8_depay_process;
|
||||
depay_class->set_caps = gst_rtp_vp8_depay_set_caps;
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (gst_rtp_vp8_depay_debug, "rtpvp8depay", 0,
|
||||
"VP8 Video RTP Depayloader");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_vp8_depay_dispose (GObject * object)
|
||||
{
|
||||
GstRtpVP8Depay *self = GST_RTP_VP8_DEPAY (object);
|
||||
|
||||
if (self->adapter != NULL)
|
||||
g_object_unref (self->adapter);
|
||||
self->adapter = NULL;
|
||||
|
||||
/* release any references held by the object here */
|
||||
|
||||
if (G_OBJECT_CLASS (gst_rtp_vp8_depay_parent_class)->dispose)
|
||||
G_OBJECT_CLASS (gst_rtp_vp8_depay_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstBuffer * buf)
|
||||
{
|
||||
GstRtpVP8Depay *self = GST_RTP_VP8_DEPAY (depay);
|
||||
GstBuffer *payload;
|
||||
guint8 *data;
|
||||
guint offset;
|
||||
guint size;
|
||||
GstRTPBuffer rtpbuffer = GST_RTP_BUFFER_INIT;
|
||||
|
||||
if (G_UNLIKELY (GST_BUFFER_IS_DISCONT (buf))) {
|
||||
GST_LOG_OBJECT (self, "Discontinuity, flushing adapter");
|
||||
gst_adapter_clear (self->adapter);
|
||||
self->started = FALSE;
|
||||
}
|
||||
|
||||
gst_rtp_buffer_map (buf, GST_MAP_READ, &rtpbuffer);
|
||||
size = gst_rtp_buffer_get_payload_len (&rtpbuffer);
|
||||
|
||||
/* At least one header and one vp8 byte */
|
||||
if (G_UNLIKELY (size < 2))
|
||||
goto too_small;
|
||||
|
||||
data = gst_rtp_buffer_get_payload (&rtpbuffer);
|
||||
|
||||
if (G_UNLIKELY (!self->started)) {
|
||||
/* Check if this is the start of a VP8 frame, otherwise bail */
|
||||
/* S=1 and PartID= 0 */
|
||||
if ((data[0] & 0x1F) != 0x10)
|
||||
goto done;
|
||||
|
||||
self->started = TRUE;
|
||||
}
|
||||
|
||||
offset = 1;
|
||||
/* Check X optional header */
|
||||
if ((data[0] & 0x80) != 0) {
|
||||
offset++;
|
||||
/* Check I optional header */
|
||||
if ((data[1] & 0x80) != 0) {
|
||||
offset++;
|
||||
if (G_UNLIKELY (offset + 2 >= size))
|
||||
goto too_small;
|
||||
/* Check for 16 bits PictureID */
|
||||
if ((data[2] & 0x80) != 0)
|
||||
offset++;
|
||||
}
|
||||
/* Check L optional header */
|
||||
if ((data[1] & 0x40) != 0)
|
||||
offset++;
|
||||
/* Check T or K optional headers */
|
||||
if ((data[1] & 0x20) != 0 || (data[1] & 0x10) != 0)
|
||||
offset++;
|
||||
}
|
||||
|
||||
if (G_UNLIKELY (offset >= size))
|
||||
goto too_small;
|
||||
|
||||
payload = gst_rtp_buffer_get_payload_subbuffer (&rtpbuffer, offset, -1);
|
||||
gst_adapter_push (self->adapter, payload);
|
||||
|
||||
/* Marker indicates that it was the last rtp packet for this frame */
|
||||
if (gst_rtp_buffer_get_marker (&rtpbuffer)) {
|
||||
GstBuffer *out;
|
||||
|
||||
out = gst_adapter_take_buffer (self->adapter,
|
||||
gst_adapter_available (self->adapter));
|
||||
|
||||
self->started = FALSE;
|
||||
gst_rtp_buffer_unmap (&rtpbuffer);
|
||||
return out;
|
||||
}
|
||||
|
||||
done:
|
||||
gst_rtp_buffer_unmap (&rtpbuffer);
|
||||
return NULL;
|
||||
|
||||
too_small:
|
||||
GST_LOG_OBJECT (self, "Invalid rtp packet (too small), ignoring");
|
||||
gst_adapter_clear (self->adapter);
|
||||
self->started = FALSE;
|
||||
|
||||
goto done;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_vp8_depay_set_caps (GstRTPBaseDepayload * depayload, GstCaps * caps)
|
||||
{
|
||||
GstCaps *srccaps = gst_caps_new_simple ("video/x-vp8",
|
||||
"framerate", GST_TYPE_FRACTION, 0, 1,
|
||||
NULL);
|
||||
|
||||
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (depayload), srccaps);
|
||||
gst_caps_unref (srccaps);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_vp8_depay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtpvp8depay",
|
||||
GST_RANK_MARGINAL, GST_TYPE_RTP_VP8_DEPAY);
|
||||
}
|
||||
|
|
@ -1,63 +0,0 @@
|
|||
/*
|
||||
* gstrtpvp8depay.h - Header for GstRtpVP8Depay
|
||||
* Copyright (C) 2011 Sjoerd Simons <sjoerd@luon.net>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 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
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_VP8_DEPAY_H__
|
||||
#define __GST_RTP_VP8_DEPAY_H__
|
||||
|
||||
#include <glib-object.h>
|
||||
#include <gst/base/gstadapter.h>
|
||||
#include <gst/rtp/gstrtpbasedepayload.h>
|
||||
|
||||
G_BEGIN_DECLS typedef struct _GstRtpVP8Depay GstRtpVP8Depay;
|
||||
typedef struct _GstRtpVP8DepayClass GstRtpVP8DepayClass;
|
||||
|
||||
struct _GstRtpVP8DepayClass
|
||||
{
|
||||
GstRTPBaseDepayloadClass parent_class;
|
||||
};
|
||||
|
||||
struct _GstRtpVP8Depay
|
||||
{
|
||||
GstRTPBaseDepayload parent;
|
||||
GstAdapter *adapter;
|
||||
gboolean started;
|
||||
};
|
||||
|
||||
GType gst_rtp_vp8_depay_get_type (void);
|
||||
|
||||
/* TYPE MACROS */
|
||||
#define GST_TYPE_RTP_VP8_DEPAY \
|
||||
(gst_rtp_vp8_depay_get_type())
|
||||
#define GST_RTP_VP8_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_RTP_VP8_DEPAY, GstRtpVP8Depay))
|
||||
#define GST_RTP_VP8_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_RTP_VP8_DEPAY, \
|
||||
GstRtpVP8DepayClass))
|
||||
#define GST_IS_RTP_VP8_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_RTP_VP8_DEPAY))
|
||||
#define GST_IS_RTP_VP8_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_RTP_VP8_DEPAY))
|
||||
#define GST_RTP_VP8_DEPAY_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_VP8_DEPAY, \
|
||||
GstRtpVP8DepayClass))
|
||||
|
||||
gboolean gst_rtp_vp8_depay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* #ifndef __GST_RTP_VP8_DEPAY_H__ */
|
||||
|
|
@ -1,442 +0,0 @@
|
|||
/*
|
||||
* gstrtpvp8pay.c - Source for GstRtpVP8Pay
|
||||
* Copyright (C) 2011 Sjoerd Simons <sjoerd@luon.net>
|
||||
* Copyright (C) 2011 Collabora Ltd.
|
||||
* Contact: Youness Alaoui <youness.alaoui@collabora.co.uk>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 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
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <gst/base/gstbitreader.h>
|
||||
#include <gst/rtp/gstrtppayloads.h>
|
||||
#include <gst/rtp/gstrtpbuffer.h>
|
||||
#include "dboolhuff.h"
|
||||
#include "gstrtpvp8pay.h"
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (gst_rtp_vp8_pay_debug);
|
||||
#define GST_CAT_DEFAULT gst_rtp_vp8_pay_debug
|
||||
|
||||
#define DEFAULT_PICTURE_ID_MODE VP8_PAY_PICTURE_ID_7BITS
|
||||
|
||||
G_DEFINE_TYPE (GstRtpVP8Pay, gst_rtp_vp8_pay, GST_TYPE_RTP_BASE_PAYLOAD);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_vp8_pay_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ","
|
||||
"clock-rate = (int) 90000, encoding-name = (string) \"VP8-DRAFT-IETF-01\""));
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_vp8_pay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("video/x-vp8"));
|
||||
|
||||
static void
|
||||
gst_rtp_vp8_pay_init (GstRtpVP8Pay * obj)
|
||||
{
|
||||
/* TODO: Make it configurable */
|
||||
obj->picture_id_mode = DEFAULT_PICTURE_ID_MODE;
|
||||
if (obj->picture_id_mode == VP8_PAY_PICTURE_ID_7BITS)
|
||||
obj->picture_id = g_random_int_range (0, G_MAXUINT8) & 0x7F;
|
||||
else if (obj->picture_id_mode == VP8_PAY_PICTURE_ID_15BITS)
|
||||
obj->picture_id = g_random_int_range (0, G_MAXUINT16) & 0x7FFF;
|
||||
}
|
||||
|
||||
static GstFlowReturn gst_rtp_vp8_pay_handle_buffer (GstRTPBasePayload * payload,
|
||||
GstBuffer * buffer);
|
||||
static gboolean gst_rtp_vp8_pay_sink_event (GstRTPBasePayload * payload,
|
||||
GstEvent * event);
|
||||
static gboolean gst_rtp_vp8_pay_set_caps (GstRTPBasePayload * payload,
|
||||
GstCaps * caps);
|
||||
|
||||
|
||||
static void
|
||||
gst_rtp_vp8_pay_class_init (GstRtpVP8PayClass * gst_rtp_vp8_pay_class)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (gst_rtp_vp8_pay_class);
|
||||
GstRTPBasePayloadClass *pay_class =
|
||||
GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_vp8_pay_class);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_vp8_pay_sink_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_vp8_pay_src_template));
|
||||
|
||||
gst_element_class_set_static_metadata (element_class, "RTP VP8 payloader",
|
||||
"Codec/Payloader/Network/RTP",
|
||||
"Puts VP8 video in RTP packets)", "Sjoerd Simons <sjoerd@luon.net>");
|
||||
|
||||
pay_class->handle_buffer = gst_rtp_vp8_pay_handle_buffer;
|
||||
pay_class->sink_event = gst_rtp_vp8_pay_sink_event;
|
||||
pay_class->set_caps = gst_rtp_vp8_pay_set_caps;
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (gst_rtp_vp8_pay_debug, "rtpvp8pay", 0,
|
||||
"VP8 Video RTP Payloader");
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_vp8_pay_parse_frame (GstRtpVP8Pay * self, GstBuffer * buffer)
|
||||
{
|
||||
GstBitReader *reader = NULL;
|
||||
guint8 *data;
|
||||
gsize size;
|
||||
GstMapInfo map;
|
||||
int i;
|
||||
gboolean keyframe;
|
||||
guint32 partition0_size;
|
||||
guint8 version;
|
||||
guint8 tmp8 = 0;
|
||||
guint8 partitions;
|
||||
guint offset;
|
||||
BOOL_DECODER bc;
|
||||
guint8 *pdata;
|
||||
|
||||
if (G_UNLIKELY (gst_buffer_get_size (buffer) < 3))
|
||||
goto error;
|
||||
|
||||
if (!gst_buffer_map (buffer, &map, GST_MAP_READ) || !map.data)
|
||||
goto error;
|
||||
|
||||
data = map.data;
|
||||
size = map.size;
|
||||
reader = gst_bit_reader_new (data, size);
|
||||
|
||||
self->is_keyframe = keyframe = ((data[0] & 0x1) == 0);
|
||||
version = (data[0] >> 1) & 0x7;
|
||||
|
||||
if (G_UNLIKELY (version > 3)) {
|
||||
GST_ERROR_OBJECT (self, "Unknown VP8 version %u", version);
|
||||
goto error;
|
||||
}
|
||||
|
||||
/* keyframe, version and show_frame use 5 bits */
|
||||
partition0_size = data[2] << 11 | data[1] << 3 | (data[0] >> 5);
|
||||
|
||||
/* Include the uncompressed data blob in the first partition */
|
||||
offset = keyframe ? 10 : 3;
|
||||
partition0_size += offset;
|
||||
|
||||
if (!gst_bit_reader_skip (reader, 24))
|
||||
goto error;
|
||||
|
||||
if (keyframe) {
|
||||
/* check start tag: 0x9d 0x01 0x2a */
|
||||
if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 8) || tmp8 != 0x9d)
|
||||
goto error;
|
||||
|
||||
if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 8) || tmp8 != 0x01)
|
||||
goto error;
|
||||
|
||||
if (!gst_bit_reader_get_bits_uint8 (reader, &tmp8, 8) || tmp8 != 0x2a)
|
||||
goto error;
|
||||
|
||||
/* Skip horizontal size code (16 bits) vertical size code (16 bits) */
|
||||
if (!gst_bit_reader_skip (reader, 32))
|
||||
goto error;
|
||||
}
|
||||
|
||||
offset = keyframe ? 10 : 3;
|
||||
vp8dx_start_decode (&bc, data + offset, size - offset);
|
||||
|
||||
if (keyframe) {
|
||||
/* color space (1 bit) and clamping type (1 bit) */
|
||||
vp8dx_decode_bool (&bc, 0x80);
|
||||
vp8dx_decode_bool (&bc, 0x80);
|
||||
}
|
||||
|
||||
/* segmentation_enabled */
|
||||
if (vp8dx_decode_bool (&bc, 0x80)) {
|
||||
guint8 update_mb_segmentation_map = vp8dx_decode_bool (&bc, 0x80);
|
||||
guint8 update_segment_feature_data = vp8dx_decode_bool (&bc, 0x80);
|
||||
|
||||
if (update_segment_feature_data) {
|
||||
/* skip segment feature mode */
|
||||
vp8dx_decode_bool (&bc, 0x80);
|
||||
|
||||
/* quantizer update */
|
||||
for (i = 0; i < 4; i++) {
|
||||
/* skip flagged quantizer value (7 bits) and sign (1 bit) */
|
||||
if (vp8dx_decode_bool (&bc, 0x80))
|
||||
vp8_decode_value (&bc, 8);
|
||||
}
|
||||
|
||||
/* loop filter update */
|
||||
for (i = 0; i < 4; i++) {
|
||||
/* skip flagged lf update value (6 bits) and sign (1 bit) */
|
||||
if (vp8dx_decode_bool (&bc, 0x80))
|
||||
vp8_decode_value (&bc, 7);
|
||||
}
|
||||
}
|
||||
|
||||
if (update_mb_segmentation_map) {
|
||||
/* segment prob update */
|
||||
for (i = 0; i < 3; i++) {
|
||||
/* skip flagged segment prob */
|
||||
if (vp8dx_decode_bool (&bc, 0x80))
|
||||
vp8_decode_value (&bc, 8);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* skip filter type (1 bit), loop filter level (6 bits) and
|
||||
* sharpness level (3 bits) */
|
||||
vp8_decode_value (&bc, 1);
|
||||
vp8_decode_value (&bc, 6);
|
||||
vp8_decode_value (&bc, 3);
|
||||
|
||||
/* loop_filter_adj_enabled */
|
||||
if (vp8dx_decode_bool (&bc, 0x80)) {
|
||||
|
||||
/* delta update */
|
||||
if (vp8dx_decode_bool (&bc, 0x80)) {
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
/* 8 updates, 1 bit indicate whether there is one and if follow by a
|
||||
* 7 bit update */
|
||||
if (vp8dx_decode_bool (&bc, 0x80))
|
||||
vp8_decode_value (&bc, 7);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (vp8dx_bool_error (&bc))
|
||||
goto error;
|
||||
|
||||
tmp8 = vp8_decode_value (&bc, 2);
|
||||
|
||||
partitions = 1 << tmp8;
|
||||
|
||||
/* Check if things are still sensible */
|
||||
if (partition0_size + (partitions - 1) * 3 >= size)
|
||||
goto error;
|
||||
|
||||
/* partition data is right after the mode partition */
|
||||
pdata = data + partition0_size;
|
||||
|
||||
/* Set up mapping */
|
||||
self->n_partitions = partitions + 1;
|
||||
self->partition_offset[0] = 0;
|
||||
self->partition_size[0] = partition0_size + (partitions - 1) * 3;
|
||||
|
||||
self->partition_offset[1] = self->partition_size[0];
|
||||
for (i = 1; i < partitions; i++) {
|
||||
guint psize = (pdata[2] << 16 | pdata[1] << 8 | pdata[0]);
|
||||
|
||||
pdata += 3;
|
||||
self->partition_size[i] = psize;
|
||||
self->partition_offset[i + 1] = self->partition_offset[i] + psize;
|
||||
}
|
||||
|
||||
/* Check that our partition offsets and sizes don't go outsize the buffer
|
||||
* size. */
|
||||
if (self->partition_offset[i] >= size)
|
||||
goto error;
|
||||
|
||||
self->partition_size[i] = size - self->partition_offset[i];
|
||||
|
||||
self->partition_offset[i + 1] = size;
|
||||
|
||||
gst_bit_reader_free (reader);
|
||||
gst_buffer_unmap (buffer, &map);
|
||||
return TRUE;
|
||||
|
||||
error:
|
||||
GST_DEBUG ("Failed to parse frame");
|
||||
if (reader) {
|
||||
gst_bit_reader_free (reader);
|
||||
gst_buffer_unmap (buffer, &map);
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static guint
|
||||
gst_rtp_vp8_offset_to_partition (GstRtpVP8Pay * self, guint offset)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < self->n_partitions; i++) {
|
||||
if (offset >= self->partition_offset[i] &&
|
||||
offset < self->partition_offset[i + 1])
|
||||
return i;
|
||||
}
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
static gsize
|
||||
gst_rtp_vp8_calc_header_len (GstRtpVP8Pay * self)
|
||||
{
|
||||
switch (self->picture_id_mode) {
|
||||
case VP8_PAY_PICTURE_ID_7BITS:
|
||||
return 3;
|
||||
case VP8_PAY_PICTURE_ID_15BITS:
|
||||
return 4;
|
||||
case VP8_PAY_NO_PICTURE_ID:
|
||||
default:
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static gsize
|
||||
gst_rtp_vp8_calc_payload_len (GstRtpVP8Pay * self)
|
||||
{
|
||||
GstRTPBasePayload *payload = GST_RTP_BASE_PAYLOAD (self);
|
||||
return gst_rtp_buffer_calc_payload_len (GST_RTP_BASE_PAYLOAD_MTU (payload) -
|
||||
gst_rtp_vp8_calc_header_len (self), 0, 0);
|
||||
}
|
||||
|
||||
/* When growing the vp8 header keep gst_rtp_vp8_calc_payload_len in sync */
|
||||
static GstBuffer *
|
||||
gst_rtp_vp8_create_header_buffer (GstRtpVP8Pay * self, guint8 partid,
|
||||
gboolean start, gboolean mark, GstBuffer * in)
|
||||
{
|
||||
GstBuffer *out;
|
||||
guint8 *p;
|
||||
GstRTPBuffer rtpbuffer = GST_RTP_BUFFER_INIT;
|
||||
|
||||
out = gst_rtp_buffer_new_allocate (gst_rtp_vp8_calc_header_len (self), 0, 0);
|
||||
gst_rtp_buffer_map (out, GST_MAP_READWRITE, &rtpbuffer);
|
||||
p = gst_rtp_buffer_get_payload (&rtpbuffer);
|
||||
/* X=0,R=0,N=0,S=start,PartID=partid */
|
||||
p[0] = (start << 4) | partid;
|
||||
if (self->picture_id_mode != VP8_PAY_NO_PICTURE_ID) {
|
||||
/* Enable X=1 */
|
||||
p[0] |= 0x80;
|
||||
/* X: I=1,L=0,T=0,K=0,RSV=0 */
|
||||
p[1] = 0x80;
|
||||
if (self->picture_id_mode == VP8_PAY_PICTURE_ID_7BITS) {
|
||||
/* I: 7 bit picture_id */
|
||||
p[2] = self->picture_id & 0x7F;
|
||||
} else {
|
||||
/* I: 15 bit picture_id */
|
||||
p[2] = 0x80 | ((self->picture_id & 0x7FFF) >> 8);
|
||||
p[3] = self->picture_id & 0xFF;
|
||||
}
|
||||
}
|
||||
|
||||
gst_rtp_buffer_set_marker (&rtpbuffer, mark);
|
||||
|
||||
gst_rtp_buffer_unmap (&rtpbuffer);
|
||||
|
||||
GST_BUFFER_DURATION (out) = GST_BUFFER_DURATION (in);
|
||||
GST_BUFFER_PTS (out) = GST_BUFFER_PTS (in);
|
||||
|
||||
return out;
|
||||
}
|
||||
|
||||
|
||||
static guint
|
||||
gst_rtp_vp8_payload_next (GstRtpVP8Pay * self,
|
||||
GstBufferList * list, guint offset, GstBuffer * buffer)
|
||||
{
|
||||
guint partition;
|
||||
GstBuffer *header;
|
||||
GstBuffer *sub;
|
||||
GstBuffer *out;
|
||||
gboolean mark;
|
||||
gsize remaining;
|
||||
gsize available;
|
||||
|
||||
remaining = gst_buffer_get_size (buffer) - offset;
|
||||
available = gst_rtp_vp8_calc_payload_len (self);
|
||||
if (available > remaining)
|
||||
available = remaining;
|
||||
|
||||
partition = gst_rtp_vp8_offset_to_partition (self, offset);
|
||||
g_assert (partition < self->n_partitions);
|
||||
|
||||
mark = (remaining == available);
|
||||
/* whole set of partitions, payload them and done */
|
||||
header = gst_rtp_vp8_create_header_buffer (self, partition,
|
||||
offset == self->partition_offset[partition], mark, buffer);
|
||||
sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, offset, available);
|
||||
|
||||
out = gst_buffer_append (header, sub);
|
||||
|
||||
gst_buffer_list_insert (list, -1, out);
|
||||
|
||||
return available;
|
||||
}
|
||||
|
||||
|
||||
static GstFlowReturn
|
||||
gst_rtp_vp8_pay_handle_buffer (GstRTPBasePayload * payload, GstBuffer * buffer)
|
||||
{
|
||||
GstRtpVP8Pay *self = GST_RTP_VP8_PAY (payload);
|
||||
GstFlowReturn ret;
|
||||
GstBufferList *list;
|
||||
guint offset;
|
||||
|
||||
if (G_UNLIKELY (!gst_rtp_vp8_pay_parse_frame (self, buffer))) {
|
||||
g_message ("Failed to parse frame");
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
list = gst_buffer_list_new ();
|
||||
|
||||
for (offset = 0; offset < gst_buffer_get_size (buffer);)
|
||||
offset += gst_rtp_vp8_payload_next (self, list, offset, buffer);
|
||||
|
||||
ret = gst_rtp_base_payload_push_list (payload, list);
|
||||
|
||||
/* Incremenent and wrap the picture id if it overflows */
|
||||
if ((self->picture_id_mode == VP8_PAY_PICTURE_ID_7BITS &&
|
||||
++self->picture_id >= 0x80) ||
|
||||
(self->picture_id_mode == VP8_PAY_PICTURE_ID_15BITS &&
|
||||
++self->picture_id >= 0x8000))
|
||||
self->picture_id = 0;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_vp8_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
|
||||
{
|
||||
GstRtpVP8Pay *self = GST_RTP_VP8_PAY (payload);
|
||||
|
||||
if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START) {
|
||||
if (self->picture_id_mode == VP8_PAY_PICTURE_ID_7BITS)
|
||||
self->picture_id = g_random_int_range (0, G_MAXUINT8) & 0x7F;
|
||||
else if (self->picture_id_mode == VP8_PAY_PICTURE_ID_15BITS)
|
||||
self->picture_id = g_random_int_range (0, G_MAXUINT16) & 0x7FFF;
|
||||
}
|
||||
|
||||
return GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_vp8_pay_parent_class)->sink_event
|
||||
(payload, event);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_vp8_pay_set_caps (GstRTPBasePayload * payload, GstCaps * caps)
|
||||
{
|
||||
gst_rtp_base_payload_set_options (payload, "video", TRUE,
|
||||
"VP8-DRAFT-IETF-01", 90000);
|
||||
return gst_rtp_base_payload_set_outcaps (payload, NULL);
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_vp8_pay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtpvp8pay",
|
||||
GST_RANK_MARGINAL, GST_TYPE_RTP_VP8_PAY);
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
/*
|
||||
* gstrtpvp8pay.h - Header for GstRtpVP8Pay
|
||||
* Copyright (C) 2011 Sjoerd Simons <sjoerd@luon.net>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 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
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_VP8_PAY_H__
|
||||
#define __GST_RTP_VP8_PAY_H__
|
||||
|
||||
#include <glib-object.h>
|
||||
#include <gst/base/gstadapter.h>
|
||||
#include <gst/rtp/gstrtpbasepayload.h>
|
||||
|
||||
G_BEGIN_DECLS typedef struct _GstRtpVP8Pay GstRtpVP8Pay;
|
||||
typedef struct _GstRtpVP8PayClass GstRtpVP8PayClass;
|
||||
typedef enum _PictureIDMode PictureIDMode;
|
||||
|
||||
enum _PictureIDMode {
|
||||
VP8_PAY_NO_PICTURE_ID,
|
||||
VP8_PAY_PICTURE_ID_7BITS,
|
||||
VP8_PAY_PICTURE_ID_15BITS,
|
||||
};
|
||||
|
||||
struct _GstRtpVP8PayClass
|
||||
{
|
||||
GstRTPBasePayloadClass parent_class;
|
||||
};
|
||||
|
||||
struct _GstRtpVP8Pay
|
||||
{
|
||||
GstRTPBasePayload parent;
|
||||
gboolean is_keyframe;
|
||||
gint n_partitions;
|
||||
/* Treat frame header & tag & partition size block as the first partition,
|
||||
* folowed by max. 8 data partitions. last offset is the end of the buffer */
|
||||
guint partition_offset[10];
|
||||
guint partition_size[9];
|
||||
PictureIDMode picture_id_mode;
|
||||
guint16 picture_id;
|
||||
};
|
||||
|
||||
GType gst_rtp_vp8_pay_get_type (void);
|
||||
|
||||
/* TYPE MACROS */
|
||||
#define GST_TYPE_RTP_VP8_PAY \
|
||||
(gst_rtp_vp8_pay_get_type())
|
||||
#define GST_RTP_VP8_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_RTP_VP8_PAY, GstRtpVP8Pay))
|
||||
#define GST_RTP_VP8_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_RTP_VP8_PAY, GstRtpVP8PayClass))
|
||||
#define GST_IS_RTP_VP8_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_RTP_VP8_PAY))
|
||||
#define GST_IS_RTP_VP8_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_RTP_VP8_PAY))
|
||||
#define GST_RTP_VP8_PAY_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_VP8_PAY, GstRtpVP8PayClass))
|
||||
|
||||
gboolean gst_rtp_vp8_pay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* #ifndef __GST_RTP_VP8_PAY_H__ */
|
||||
Loading…
Reference in a new issue