Initial commit

Simple modified gst-template to use BaseCameraSrc
Incorporate Broadcom mmal headers

.gitignore

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+aclocal.m4
+autom4te.cache
+autoregen.sh
+.deps/
+.libs/
+*.la
+*.lo
+config.*
+configure
+libtool
+INSTALL
+Makefile.in
+Makefile
+depcomp
+install-sh
+ltmain.sh
+missing
+stamp-*
+gstrpicamsrc-*.tar.*
+*~

AUTHORS

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+Jan Schmidt <jan@centricular.com>

COPYING

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+This package is primarily LGPL (See COPYING.LGPL) except the mmal/ subdir.
+
+The mmal headers in the mmal/ dir are copyright:
+
+Copyright (c) 2012, Broadcom Europe Ltd
+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 the copyright holder 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.
+

Makefile.am

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+SUBDIRS = src
+
+EXTRA_DIST = autogen.sh COPYING.LGPL

NEWS

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+Initial release - working camera capture

README

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+This is a GStreamer wrapper around the raspivid/raspistill
+functionality of the RaspberryPi, providing a GStreamer
+source element capturing from the Rpi camera.

autogen.sh

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+#!/bin/sh
+# you can either set the environment variables AUTOCONF, AUTOHEADER, AUTOMAKE,
+# ACLOCAL, AUTOPOINT and/or LIBTOOLIZE to the right versions, or leave them
+# unset and get the defaults
+
+autoreconf --verbose --force --install --make || {
+ echo 'autogen.sh failed';
+ exit 1;
+}
+
+./configure || {
+ echo 'configure failed';
+ exit 1;
+}
+
+echo
+echo "Now type 'make' to compile this module."
+echo

configure.ac

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+dnl required version of autoconf
+AC_PREREQ([2.53])
+
+AC_INIT([gstrpicamsrc],[1.0.0])
+
+dnl required versions of gstreamer and plugins-base
+GST_REQUIRED=1.0.0
+GSTPB_REQUIRED=1.0.0
+GSTPB_BAD_REQUIRED=1.0.0
+
+AC_CONFIG_SRCDIR([src/gstrpicamsrc.c])
+AC_CONFIG_HEADERS([config.h])
+
+dnl required version of automake
+AM_INIT_AUTOMAKE([1.10])
+
+dnl enable mainainer mode by default
+AM_MAINTAINER_MODE([enable])
+
+dnl check for tools (compiler etc.)
+AC_PROG_CC
+
+dnl required version of libtool
+LT_PREREQ([2.2.6])
+LT_INIT
+
+dnl give error and exit if we don't have pkgconfig
+AC_CHECK_PROG(HAVE_PKGCONFIG, pkg-config, [ ], [
+  AC_MSG_ERROR([You need to have pkg-config installed!])
+])
+
+dnl Ensure we have basic Raspberry Pi headers and libs
+dnl we need.
+oldCFLAGS="$CFLAGS"
+RPI_INCLUDEPATH="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
+CFLAGS="$CFLAGS $RPI_INCLUDEPATH"
+AC_CHECK_HEADER([bcm_host.h], [], [AC_MSG_ERROR([Raspberry Pi files not found in /opt/vc])],  [AC_INCLUDES_DEFAULT])
+AC_SUBST(RPI_INCLUDEPATH)
+CFLAGS="$oldCFLAGS"
+
+PKG_CHECK_MODULES(GST, [
+  gstreamer-1.0 >= $GST_REQUIRED
+  gstreamer-base-1.0 >= $GST_REQUIRED
+  gstreamer-video-1.0 >= $GSTPB_REQUIRED
+  gstreamer-plugins-bad-1.0 >= GSTPB_BAD_REQUIRED
+], [
+  AC_SUBST(GST_CFLAGS)
+  AC_SUBST(GST_LIBS)
+], [
+  AC_MSG_ERROR([
+      You need to install or upgrade the GStreamer development
+      packages on your system. On debian-based systems these are
+      libgstreamer1.0-dev and libgstreamer-plugins-base1.0-dev.
+      on RPM-based systems gstreamer1.0-devel, libgstreamer1.0-devel
+      or similar. The minimum version required is $GST_REQUIRED.
+  ])
+])
+
+dnl check if compiler understands -Wall (if yes, add -Wall to GST_CFLAGS)
+AC_MSG_CHECKING([to see if compiler understands -Wall])
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wall"
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ ], [ ])], [
+  GST_CFLAGS="$GST_CFLAGS -Wall"
+  AC_MSG_RESULT([yes])
+], [
+  AC_MSG_RESULT([no])
+])
+
+dnl set the plugindir where plugins should be installed (for src/Makefile.am)
+if test "x${prefix}" = "x$HOME"; then
+  plugindir="$HOME/.gstreamer-1.0/plugins"
+else
+  plugindir="\$(libdir)/gstreamer-1.0"
+fi
+AC_SUBST(plugindir)
+
+dnl set proper LDFLAGS for plugins
+GST_PLUGIN_LDFLAGS='-module -avoid-version -export-symbols-regex [_]*\(gst_\|Gst\|GST_\).*'
+AC_SUBST(GST_PLUGIN_LDFLAGS)
+
+AC_CONFIG_FILES([Makefile src/Makefile])
+AC_OUTPUT
+

interface/mmal/core/mmal_buffer_private.h

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+/*
+Copyright (c) 2012, Broadcom Europe Ltd
+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 the copyright holder 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.
+*/
+
+#ifndef MMAL_BUFFER_PRIVATE_H
+#define MMAL_BUFFER_PRIVATE_H
+
+/** Typedef for the private area the framework reserves for the driver / communication layer */
+typedef struct MMAL_DRIVER_BUFFER_T MMAL_DRIVER_BUFFER_T;
+
+/** Size of the private area the framework reserves for the driver / communication layer */
+#define MMAL_DRIVER_BUFFER_SIZE 32
+
+/** Typedef for the framework's private area in the buffer header */
+typedef struct MMAL_BUFFER_HEADER_PRIVATE_T
+{
+   /** Callback invoked just prior to actually releasing the buffer header. Returns TRUE if
+    * release should be delayed. */
+   MMAL_BH_PRE_RELEASE_CB_T pf_pre_release;
+   void *pre_release_userdata;
+
+   /** Callback used to release / recycle the buffer header. This needs to be set by
+    * whoever allocates the buffer header. */
+   void (*pf_release)(struct MMAL_BUFFER_HEADER_T *header);
+   void *owner;               /**< Context set by the allocator of the buffer header and passed
+                                   during the release callback */
+
+   int32_t refcount;          /**< Reference count of the buffer header. When it reaches 0,
+                                   the release callback will be called. */
+
+   MMAL_BUFFER_HEADER_T *reference; /**< Reference to another acquired buffer header. */
+
+   /** Callback used to free the payload associated with this buffer header. This is only
+    * used if the buffer header was created by MMAL with a payload associated with it. */
+   void   (*pf_payload_free)(void *payload_context, void *payload);
+   void    *payload;          /**< Pointer / handle to the allocated payload buffer */
+   void    *payload_context;  /**< Pointer to the context of the payload allocator */
+   uint32_t payload_size;     /**< Allocated size in bytes of payload buffer */
+
+   void *component_data;      /**< Field reserved for use by the component */
+   void *payload_handle;      /**< Field reserved for mmal_buffer_header_mem_lock */
+
+   uint8_t driver_area[MMAL_DRIVER_BUFFER_SIZE];
+
+} MMAL_BUFFER_HEADER_PRIVATE_T;
+
+/** Get the size in bytes of a fully initialised MMAL_BUFFER_HEADER_T */
+unsigned int mmal_buffer_header_size(MMAL_BUFFER_HEADER_T *header);
+
+/** Initialise a MMAL_BUFFER_HEADER_T */
+MMAL_BUFFER_HEADER_T *mmal_buffer_header_initialise(void *mem, unsigned int length);
+
+/** Return a pointer to the area reserved for the driver.
+  */
+MMAL_DRIVER_BUFFER_T *mmal_buffer_header_driver_data(MMAL_BUFFER_HEADER_T *);
+
+/** Return a pointer to a referenced buffer header.
+ * It is the caller's responsibility to ensure that the reference is still
+ * valid when using it.
+ */
+MMAL_BUFFER_HEADER_T *mmal_buffer_header_reference(MMAL_BUFFER_HEADER_T *header);
+
+#endif /* MMAL_BUFFER_PRIVATE_H */