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allocators: Add GstPhysMemoryAllocator abstraction

Browse source 
This can be used in a generic way as common interface by all platforms that,
in one way or another, pass around physical memory addresses.

https://bugzilla.gnome.org/show_bug.cgi?id=779067
This commit is contained in:
Sebastian Dröge 2017-02-17 19:26:41 +02:00
parent 2132ba9a94
commit 5cdf3a3976
9 changed files with 265 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
configure.ac
View file

@ -3584,6 +3584,7 @@ gst-libs/gst/player/Makefile
gst-libs/gst/video/Makefile
gst-libs/gst/audio/Makefile
gst-libs/gst/opencv/Makefile
gst-libs/gst/allocators/Makefile
sys/Makefile
sys/dshowdecwrapper/Makefile
sys/acmenc/Makefile
@ -3734,6 +3735,8 @@ pkgconfig/gstreamer-bad-video.pc
pkgconfig/gstreamer-bad-video-uninstalled.pc
pkgconfig/gstreamer-bad-audio.pc
pkgconfig/gstreamer-bad-audio-uninstalled.pc
pkgconfig/gstreamer-bad-allocators.pc
pkgconfig/gstreamer-bad-allocators-uninstalled.pc
tools/Makefile
m4/Makefile
)

6
gst-libs/gst/Makefile.am
View file

@ -15,12 +15,12 @@ OPENCV_DIR=opencv
endif
SUBDIRS = uridownloader adaptivedemux interfaces basecamerabinsrc codecparsers \
insertbin mpegts base video audio player $(GL_DIR) $(WAYLAND_DIR) \
insertbin mpegts base video audio player allocators $(GL_DIR) $(WAYLAND_DIR) \
$(OPENCV_DIR)
noinst_HEADERS = gst-i18n-plugin.h gettext.h glib-compat-private.h
DIST_SUBDIRS = uridownloader adaptivedemux interfaces gl basecamerabinsrc \
codecparsers insertbin mpegts wayland opencv base video audio player
codecparsers insertbin mpegts wayland opencv base video audio player allocators
#dependencies
video, audio: base
@ -29,7 +29,7 @@ adaptivedemux: uridownloader
INDEPENDENT_SUBDIRS = \
interfaces basecamerabinsrc codecparsers insertbin uridownloader \
mpegts base player $(GL_DIR) $(WAYLAND_DIR) $(OPENCV_DIR)
mpegts base player allocators $(GL_DIR) $(WAYLAND_DIR) $(OPENCV_DIR)
.PHONY: independent-subdirs $(INDEPENDENT_SUBDIRS)

65
gst-libs/gst/allocators/Makefile.am Normal file
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@ -0,0 +1,65 @@
lib_LTLIBRARIES = libgstbadallocators-@GST_API_VERSION@.la
libgstbadallocators_@GST_API_VERSION@_includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/allocators
libgstbadallocators_@GST_API_VERSION@_include_HEADERS = \
badallocators.h \
gstphysmemory.h
noinst_HEADERS =
libgstbadallocators_@GST_API_VERSION@_la_SOURCES = \
gstphysmemory.c
libgstbadallocators_@GST_API_VERSION@_la_LIBADD = $(GST_LIBS) $(LIBM)
libgstbadallocators_@GST_API_VERSION@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
libgstbadallocators_@GST_API_VERSION@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
if HAVE_INTROSPECTION
BUILT_GIRSOURCES = GstBadAllocators-@GST_API_VERSION@.gir
gir_headers=$(patsubst %,$(srcdir)/%, $(libgstbadallocators_@GST_API_VERSION@_include_HEADERS))
gir_sources=$(patsubst %,$(srcdir)/%, $(libgstbadallocators_@GST_API_VERSION@_la_SOURCES))
gir_cincludes=$(patsubst %,--c-include='gst/badallocators/%',$(libgstbadallocators_@GST_API_VERSION@_include_HEADERS))
GstBadAllocators-@GST_API_VERSION@.gir: $(INTROSPECTION_SCANNER) libgstbadallocators-@GST_API_VERSION@.la
$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" GI_SCANNER_DISABLE_CACHE=yes\
GST_PLUGIN_SYSTEM_PATH="" GST_PLUGIN_PATH="" GST_REGISTRY_UPDATE=no \
CPPFLAGS="$(CPPFLAGS)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" CC="$(CC)" PKG_CONFIG="$(PKG_CONFIG)" DLLTOOL="$(DLLTOOL)" \
$(INTROSPECTION_SCANNER) -v --namespace GstBadAllocators \
--nsversion=@GST_API_VERSION@ \
--identifier-prefix=Gst \
--symbol-prefix=gst \
--warn-all \
--c-include "gst/allocators/badallocators.h" \
-I$(top_srcdir)/gst-libs \
-I$(top_builddir)/gst-libs \
--add-include-path=`PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" $(PKG_CONFIG) --variable=girdir gstreamer-@GST_API_VERSION@` \
--library=libgstbadallocators-@GST_API_VERSION@.la \
--include=Gst-@GST_API_VERSION@ \
--libtool="$(top_builddir)/libtool" \
--pkg gstreamer-@GST_API_VERSION@ \
--pkg-export gstreamer-badallocators-@GST_API_VERSION@ \
--output $@ \
$(gir_headers) \
$(gir_sources)
# INTROSPECTION_GIRDIR/INTROSPECTION_TYPELIBDIR aren't the right place to
# install anything - we need to install inside our prefix.
girdir = $(datadir)/gir-1.0
gir_DATA = $(BUILT_GIRSOURCES)
typelibsdir = $(libdir)/girepository-1.0/
typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
%.typelib: %.gir $(INTROSPECTION_COMPILER)
$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
$(INTROSPECTION_COMPILER) \
--includedir=$(srcdir) \
--includedir=$(builddir) \
--includedir=`PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" $(PKG_CONFIG) --variable=girdir gstreamer-@GST_API_VERSION@` \
$(INTROSPECTION_COMPILER_OPTS) $< -o $(@F)
CLEANFILES = $(BUILT_GIRSOURCES) $(typelibs_DATA)
endif

28
gst-libs/gst/allocators/badallocators.h Normal file
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@ -0,0 +1,28 @@
/* GStreamer
* Copyright (C) 2017 GStreamer developers
*
* allocatorsbad.h: single include header for gst-allocators-bad library
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_ALLOCATORS_BAD_H__
#define __GST_ALLOCATORS_BAD_H__
#include <gst/allocators/gstphysmemory.h>
#endif /* __GST_ALLOCATORS_BAD_H__ */

69
gst-libs/gst/allocators/gstphysmemory.c Normal file
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@ -0,0 +1,69 @@
/* GStreamer
* Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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 "gstphysmemory.h"
G_DEFINE_INTERFACE (GstPhysMemoryAllocator, gst_phys_memory_allocator,
GST_TYPE_ALLOCATOR);
static void
gst_phys_memory_allocator_default_init (GstPhysMemoryAllocatorInterface * iface)
{
}
/**
* gst_is_phys_memory:
* @mem: a #GstMemory
*
* Returns: whether the memory at @mem is backed by physical memory
*
* Since: 1.12
*/
gboolean
gst_is_phys_memory (GstMemory * mem)
{
return mem != NULL && mem->allocator != NULL
&& g_type_is_a (G_OBJECT_TYPE (mem->allocator),
GST_TYPE_PHYS_MEMORY_ALLOCATOR);
}
/**
* gst_phys_memory_get_phys_addr:
* @mem: a #GstMemory
*
* Returns: Physical memory address that is backing @mem, or 0 if none
*
* Since: 1.12
*/
guintptr
gst_phys_memory_get_phys_addr (GstMemory * mem)
{
GstPhysMemoryAllocatorInterface *iface;
g_return_val_if_fail (gst_is_phys_memory (mem), 0);
iface = GST_PHYS_MEMORY_ALLOCATOR_GET_INTERFACE (mem->allocator);
g_return_val_if_fail (iface->get_phys_addr != NULL, 0);
return iface->get_phys_addr ((GstPhysMemoryAllocator *) mem->allocator, mem);
}

59
gst-libs/gst/allocators/gstphysmemory.h Normal file
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@ -0,0 +1,59 @@
/* GStreamer
* Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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_PHYS_MEMORY_H__
#define __GST_PHYS_MEMORY_H__
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _GstPhysMemoryAllocator GstPhysMemoryAllocator;
typedef struct _GstPhysMemoryAllocatorInterface GstPhysMemoryAllocatorInterface;
#define GST_TYPE_PHYS_MEMORY_ALLOCATOR (gst_phys_memory_allocator_get_type())
#define GST_IS_PHYS_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PHYS_MEMORY_ALLOCATOR))
#define GST_IS_PHYS_MEMORY_ALLOCATOR_INTERFACE(iface) (G_TYPE_CHECK_INTERFACE_TYPE ((iface), GST_TYPE_PHYS_MEMORY_ALLOCATOR))
#define GST_PHYS_MEMORY_ALLOCATOR_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_PHYS_MEMORY_ALLOCATOR, GstPhysMemoryAllocatorInterface))
#define GST_PHYS_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PHYS_MEMORY_ALLOCATOR, GstPhysMemoryAllocator))
#define GST_PHYS_MEMORY_ALLOCATOR_INTERFACE(iface) (G_TYPE_CHECK_INTERFACE_CAST ((iface), GST_TYPE_PHYS_MEMORY_ALLOCATOR, GstPhysMemoryAllocatorInterface))
#define GST_PHYS_MEMORY_ALLOCATOR_CAST(obj) ((GstPhysMemoryAllocator *)(obj))
/**
* GstPhysMemoryAllocatorInterface:
*
* Marker interface for allocators with physical address backed memory
*
* Since: 1.12
*/
struct _GstPhysMemoryAllocatorInterface
{
GTypeInterface parent_iface;
guintptr (*get_phys_addr) (GstPhysMemoryAllocator * allocator, GstMemory * mem);
};
GType gst_phys_memory_allocator_get_type (void);
gboolean gst_is_phys_memory (GstMemory *mem);
guintptr gst_phys_memory_get_phys_addr (GstMemory * mem);
G_END_DECLS
#endif /* __GST_PHYS_MEMORY_H__ */

9
pkgconfig/Makefile.am
View file

@ -8,7 +8,8 @@ pcverfiles = \
gstreamer-player-@GST_API_VERSION@.pc \
gstreamer-bad-base-@GST_API_VERSION@.pc \
gstreamer-bad-audio-@GST_API_VERSION@.pc \
gstreamer-bad-video-@GST_API_VERSION@.pc
gstreamer-bad-video-@GST_API_VERSION@.pc \
gstreamer-bad-allocators-@GST_API_VERSION@.pc
pcverfiles_uninstalled = \
gstreamer-plugins-bad-@GST_API_VERSION@-uninstalled.pc \
@ -18,7 +19,8 @@ pcverfiles_uninstalled = \
gstreamer-player-@GST_API_VERSION@-uninstalled.pc \
gstreamer-bad-base-@GST_API_VERSION@-uninstalled.pc \
gstreamer-bad-audio-@GST_API_VERSION@-uninstalled.pc \
gstreamer-bad-video-@GST_API_VERSION@-uninstalled.pc
gstreamer-bad-video-@GST_API_VERSION@-uninstalled.pc \
gstreamer-bad-allocators-@GST_API_VERSION@-uninstalled.pc
if HAVE_GST_GL
pcverfiles += gstreamer-gl-@GST_API_VERSION@.pc
@ -64,7 +66,8 @@ pcinfiles = \
gstreamer-player.pc.in gstreamer-player-uninstalled.pc.in \
gstreamer-bad-audio.pc.in gstreamer-bad-audio-uninstalled.pc.in \
gstreamer-bad-video.pc.in gstreamer-bad-video-uninstalled.pc.in \
gstreamer-bad-base.pc.in gstreamer-bad-base-uninstalled.pc.in
gstreamer-bad-base.pc.in gstreamer-bad-base-uninstalled.pc.in \
gstreamer-bad-allocators.pc.in gstreamer-bad-allocators-uninstalled.pc.in
DISTCLEANFILES = $(pcinfiles:.in=)
EXTRA_DIST = $(pcinfiles)

16
pkgconfig/gstreamer-bad-allocators-uninstalled.pc.in Normal file
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@ -0,0 +1,16 @@
# the standard variables don't make sense for an uninstalled copy
prefix=
exec_prefix=
libdir=@abs_top_builddir@/gst-libs/gst/allocators/.libs
# includedir is builddir because it is used to find gstconfig.h in places
includedir=@abs_top_builddir@/gst-libs
girdir=@abs_top_builddir@/gst-libs/gst/allocators
typelibdir=@abs_top_builddir@/gst-libs/gst/allocators
Name: GStreamer Bad Allocators Library, Uninstalled
Description: Bad Allocators implementation, uninstalled
Version: @VERSION@
Requires: gstreamer-@GST_API_VERSION@
Libs: -L${libdir} -lgstbadallocators-@GST_API_VERSION@
Cflags: -I@abs_top_srcdir@/gst-libs -I@abs_top_builddir@/gst-libs

16
pkgconfig/gstreamer-bad-allocators.pc.in Normal file
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@ -0,0 +1,16 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@/gstreamer-@GST_API_VERSION@
datarootdir=${prefix}/share
datadir=${datarootdir}
girdir=${datadir}/gir-1.0
typelibdir=${libdir}/girepository-1.0
Name: GStreamer Bad Allocators Library
Description: Bad Allocators implementation
Requires: gstreamer-@GST_API_VERSION@
Version: @VERSION@
Libs: -L${libdir} -lgstbadallocators-@GST_API_VERSION@
Cflags: -I${includedir}