Jabber: initial version of Jingle support

4 files changed, 331 insertions, 0 deletions

diff --git a/include/gst/basecamerabinsrc/basecamerabinsrc-prelude.h b/include/gst/basecamerabinsrc/basecamerabinsrc-prelude.h
new file mode 100644
index 0000000000..ec9a766085
--- /dev/null
+++ b/include/gst/basecamerabinsrc/basecamerabinsrc-prelude.h
@@ -0,0 +1,35 @@
+/* GStreamer BaseCameraBinSrc Library
+ * Copyright (C) 2018 GStreamer developers
+ *
+ * basecamerasrc-prelude.h: prelude include header for gst-basecamerasrc 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_BASE_CAMERA_BIN_SRC_PRELUDE_H__
+#define __GST_BASE_CAMERA_BIN_SRC_PRELUDE_H__
+
+#include <gst/gst.h>
+
+#ifndef GST_BASE_CAMERA_BIN_SRC_API
+# ifdef BUILDING_GST_BASE_CAMERA_BIN_SRC
+#  define GST_BASE_CAMERA_BIN_SRC_API GST_API_EXPORT         /* from config.h */
+# else
+#  define GST_BASE_CAMERA_BIN_SRC_API GST_API_IMPORT
+# endif
+#endif
+
+#endif /* __GST_BASE_CAMERA_BIN_SRC_PRELUDE_H__ */
diff --git a/include/gst/basecamerabinsrc/gstbasecamerasrc.h b/include/gst/basecamerabinsrc/gstbasecamerasrc.h
new file mode 100644
index 0000000000..9318c01c68
--- /dev/null
+++ b/include/gst/basecamerabinsrc/gstbasecamerasrc.h
@@ -0,0 +1,159 @@
+/*
+ * GStreamer
+ * Copyright (C) 2010 Texas Instruments, Inc
+ * Copyright (C) 2011 Thiago Santos <thiago.sousa.santos@collabora.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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef __GST_BASE_CAMERA_SRC_H__
+#define __GST_BASE_CAMERA_SRC_H__
+
+#ifndef GST_USE_UNSTABLE_API
+#warning "GstBaseCameraSrc is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
+#include <gst/gst.h>
+#include <gst/gstbin.h>
+#include "basecamerabinsrc-prelude.h"
+#include "gstcamerabin-enum.h"
+#include "gstcamerabinpreview.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_BASE_CAMERA_SRC \
+  (gst_base_camera_src_get_type())
+#define GST_BASE_CAMERA_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_CAMERA_SRC,GstBaseCameraSrc))
+#define GST_BASE_CAMERA_SRC_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASE_CAMERA_SRC, GstBaseCameraSrcClass))
+#define GST_BASE_CAMERA_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_CAMERA_SRC,GstBaseCameraSrcClass))
+#define GST_IS_BASE_CAMERA_SRC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_CAMERA_SRC))
+#define GST_IS_BASE_CAMERA_SRC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_CAMERA_SRC))
+#define GST_BASE_CAMERA_SRC_CAST(obj) \
+  ((GstBaseCameraSrc *) (obj))
+GST_BASE_CAMERA_BIN_SRC_API
+GType gst_base_camera_src_get_type (void);
+
+typedef struct _GstBaseCameraSrc GstBaseCameraSrc;
+typedef struct _GstBaseCameraSrcClass GstBaseCameraSrcClass;
+
+#define GST_BASE_CAMERA_SRC_VIEWFINDER_PAD_NAME "vfsrc"
+#define GST_BASE_CAMERA_SRC_IMAGE_PAD_NAME "imgsrc"
+#define GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME "vidsrc"
+
+#define GST_BASE_CAMERA_SRC_PREVIEW_MESSAGE_NAME "preview-image"
+
+/**
+ * GstBaseCameraSrc:
+ */
+struct _GstBaseCameraSrc
+{
+  GstBin parent;
+
+  GstCameraBinMode mode;
+
+  gboolean auto_start;
+  gboolean capturing;
+  GMutex capturing_mutex;
+
+  /* Preview convert pipeline */
+  GstCaps *preview_caps;
+  gboolean post_preview;
+  GstElement *preview_filter;
+  GstCameraBinPreviewPipelineData *preview_pipeline;
+
+  /* Resolution of the buffers configured to camerabin */
+  gint width;
+  gint height;
+
+  gfloat zoom;
+  gfloat max_zoom;
+
+  gpointer _gst_reserved[GST_PADDING_LARGE];
+};
+
+
+/**
+ * GstBaseCameraSrcClass:
+ * @construct_pipeline: construct pipeline
+ * @setup_pipeline: configure pipeline for the chosen settings
+ * @set_zoom: set the zoom
+ * @set_mode: set the mode
+ */
+struct _GstBaseCameraSrcClass
+{
+  GstBinClass parent;
+
+  /* Construct pipeline. (called in GST_STATE_CHANGE_NULL_TO_READY) Optional. */
+  gboolean    (*construct_pipeline)  (GstBaseCameraSrc *self);
+
+  /* (called in GST_STATE_CHANGE_READY_TO_PAUSED). Optional. */
+  gboolean    (*setup_pipeline)      (GstBaseCameraSrc *self);
+
+  /* Set the zoom. If set, called when changing 'zoom' property. Optional. */
+  void        (*set_zoom)            (GstBaseCameraSrc *self, gfloat zoom);
+
+  /* Set the mode. If set, called when changing 'mode' property. Optional. */
+  gboolean    (*set_mode)            (GstBaseCameraSrc *self,
+                                      GstCameraBinMode mode);
+
+  /* Set preview caps. If set, called called when setting new 'preview-caps'. Optional. */
+  gboolean    (*set_preview)         (GstBaseCameraSrc *self,
+                                      GstCaps *preview_caps);
+
+  /* Called by the handler for 'start-capture'. Mandatory. */
+  gboolean (*start_capture) (GstBaseCameraSrc * src);
+
+  /* Called by the handler for 'stop-capture'. Mandatory. */
+  void (*stop_capture) (GstBaseCameraSrc * src);
+
+  gpointer _gst_reserved[GST_PADDING_LARGE];
+};
+
+
+/* FIXME: these should be properly namespaced if they're meant as exposed API */
+#ifndef __GI_SCANNER__
+#define MIN_ZOOM 1.0f
+#define MAX_ZOOM 10.0f
+#define ZOOM_1X MIN_ZOOM
+#endif /* !__GI_SCANNER__ */
+
+GST_BASE_CAMERA_BIN_SRC_API
+gboolean gst_base_camera_src_set_mode (GstBaseCameraSrc *self, GstCameraBinMode mode);
+
+GST_BASE_CAMERA_BIN_SRC_API
+void gst_base_camera_src_setup_zoom (GstBaseCameraSrc * self);
+
+GST_BASE_CAMERA_BIN_SRC_API
+void gst_base_camera_src_setup_preview (GstBaseCameraSrc * self, GstCaps * preview_caps);
+
+GST_BASE_CAMERA_BIN_SRC_API
+void gst_base_camera_src_finish_capture (GstBaseCameraSrc *self);
+
+
+GST_BASE_CAMERA_BIN_SRC_API
+void gst_base_camera_src_post_preview (GstBaseCameraSrc *self, GstSample * sample);
+// XXX add methods to get/set img capture and vid capture caps..
+
+G_END_DECLS
+
+#endif /* __GST_BASE_CAMERA_SRC_H__ */
diff --git a/include/gst/basecamerabinsrc/gstcamerabin-enum.h b/include/gst/basecamerabinsrc/gstcamerabin-enum.h
new file mode 100644
index 0000000000..bba15c0b1f
--- /dev/null
+++ b/include/gst/basecamerabinsrc/gstcamerabin-enum.h
@@ -0,0 +1,68 @@
+/*
+ * GStreamer
+ * Copyright (C) 2009 Nokia Corporation <multimedia@maemo.org>
+ *
+ * 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_CAMERABIN_ENUM_H__
+#define __GST_CAMERABIN_ENUM_H__
+
+#ifndef GST_USE_UNSTABLE_API
+#warning "camerabin enums are unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
+#include <gst/gst.h>
+#include "basecamerabinsrc-prelude.h"
+
+G_BEGIN_DECLS
+
+/* FIXME: these should be properly namespaced if they're meant as exposed API */
+#ifndef __GI_SCANNER__
+#define DEFAULT_WIDTH 640
+#define DEFAULT_HEIGHT 480
+#define DEFAULT_CAPTURE_WIDTH 800
+#define DEFAULT_CAPTURE_HEIGHT 600
+#define DEFAULT_FPS_N 0         /* makes it use the default */
+#define DEFAULT_FPS_D 1
+#define DEFAULT_ZOOM MIN_ZOOM
+#endif /* !__GI_SCANNER__ */
+
+
+/* FIXME: properly namespace these enums */
+/**
+ * GstCameraBinMode:
+ * @MODE_IMAGE: image capture
+ * @MODE_VIDEO: video capture
+ *
+ * Capture mode to use.
+ */
+typedef enum
+{
+  /* MODE_PREVIEW = 0, No use for this */
+  MODE_IMAGE = 1,
+  MODE_VIDEO = 2,
+} GstCameraBinMode;
+
+/* FIXME: should be CAMERA_BIN_MODE and camera_bin_mode */
+#define GST_TYPE_CAMERABIN_MODE (gst_camerabin_mode_get_type ())
+GST_BASE_CAMERA_BIN_SRC_API
+GType gst_camerabin_mode_get_type (void);
+
+G_END_DECLS
+
+#endif                          /* #ifndef __GST_CAMERABIN_ENUM_H__ */
diff --git a/include/gst/basecamerabinsrc/gstcamerabinpreview.h b/include/gst/basecamerabinsrc/gstcamerabinpreview.h
new file mode 100644
index 0000000000..a0f3c0f0ce
--- /dev/null
+++ b/include/gst/basecamerabinsrc/gstcamerabinpreview.h
@@ -0,0 +1,69 @@
+/*
+ * GStreamer
+ * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
+ * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
+ *
+ * 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 __CAMERABIN_PREVIEW_H_
+#define __CAMERABIN_PREVIEW_H_
+
+#ifndef GST_USE_UNSTABLE_API
+#warning "camera bin preview is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
+#include <gst/gst.h>
+#include "basecamerabinsrc-prelude.h"
+
+/**
+ * GstCameraBinPreviewPipelineData: (skip)
+ */
+typedef struct
+{
+  GstElement *pipeline;
+
+  GstElement *appsrc;
+  GstElement *filter;
+  GstElement *appsink;
+  GstElement *vscale;
+
+  GstElement *element;
+
+  GstCaps *pending_preview_caps;
+  guint processing;
+  GMutex processing_lock;
+  GCond processing_cond;
+
+} GstCameraBinPreviewPipelineData;
+
+GST_BASE_CAMERA_BIN_SRC_API
+GstCameraBinPreviewPipelineData *gst_camerabin_create_preview_pipeline (GstElement * element, GstElement * filter);
+
+GST_BASE_CAMERA_BIN_SRC_API
+void gst_camerabin_destroy_preview_pipeline (GstCameraBinPreviewPipelineData * preview);
+
+GST_BASE_CAMERA_BIN_SRC_API
+gboolean gst_camerabin_preview_pipeline_post (GstCameraBinPreviewPipelineData * preview, GstSample * sample);
+
+GST_BASE_CAMERA_BIN_SRC_API
+void gst_camerabin_preview_set_caps (GstCameraBinPreviewPipelineData * preview, GstCaps * caps);
+
+GST_BASE_CAMERA_BIN_SRC_API
+gboolean gst_camerabin_preview_set_filter (GstCameraBinPreviewPipelineData * preview, GstElement * filter);
+
+#endif /* #ifndef __CAMERABIN_PREVIEW_H_ */