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466ca5d460
Add image-formatter property in order to let application configure the formatter element for metadata.
776 lines
22 KiB
C
776 lines
22 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:camerabinimage
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* @short_description: image capturing module of #GstCameraBin
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*
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* <refsect2>
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* <para>
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*
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* The pipeline for this module is:
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*
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* <informalexample>
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* <programlisting>
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*-----------------------------------------------------------------------------
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*
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* -> [post proc] -> csp -> imageenc -> metadatamuxer -> filesink
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*
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*-----------------------------------------------------------------------------
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* </programlisting>
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* </informalexample>
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*
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* The image bin opens file for image writing in READY to PAUSED state change.
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* The image bin closes the file in PAUSED to READY state change.
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*
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* </para>
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* </refsect2>
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*/
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/*
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* includes
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*/
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#include <gst/gst.h>
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#include "camerabinimage.h"
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#include "camerabindebug.h"
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#include "camerabingeneral.h"
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#include "gstcamerabin-enum.h"
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#include "string.h"
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/* default internal element names */
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#define DEFAULT_SINK "filesink"
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#define DEFAULT_ENC "jpegenc"
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#define DEFAULT_FORMATTER "jifmux"
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#define DEFAULT_FLAGS GST_CAMERABIN_FLAG_IMAGE_COLOR_CONVERSION
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enum
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{
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PROP_0,
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PROP_FILENAME
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};
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static gboolean gst_camerabin_image_create_elements (GstCameraBinImage * img);
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static void gst_camerabin_image_destroy_elements (GstCameraBinImage * img);
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static void gst_camerabin_image_dispose (GstCameraBinImage * sink);
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static GstStateChangeReturn
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gst_camerabin_image_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_camerabin_image_send_event (GstElement * element,
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GstEvent * event);
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static void gst_camerabin_image_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_camerabin_image_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean metadata_write_probe (GstPad * pad, GstBuffer * buffer,
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gpointer u_data);
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static gboolean prepare_element (GList ** result,
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const gchar * default_element_name, GstElement * app_elem,
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GstElement ** res_elem);
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GST_BOILERPLATE (GstCameraBinImage, gst_camerabin_image, GstBin, GST_TYPE_BIN);
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static void
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gst_camerabin_image_base_init (gpointer klass)
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{
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GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (eklass,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_set_details_simple (eklass,
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"Image capture bin for camerabin", "Bin/Image",
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"Process and store image data",
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"Edgard Lima <edgard.lima@indt.org.br>, "
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"Nokia Corporation <multimedia@maemo.org>");
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}
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static void
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gst_camerabin_image_class_init (GstCameraBinImageClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
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gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->dispose =
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(GObjectFinalizeFunc) GST_DEBUG_FUNCPTR (gst_camerabin_image_dispose);
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eklass->change_state = GST_DEBUG_FUNCPTR (gst_camerabin_image_change_state);
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eklass->send_event = GST_DEBUG_FUNCPTR (gst_camerabin_image_send_event);
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gobject_class->set_property =
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GST_DEBUG_FUNCPTR (gst_camerabin_image_set_property);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_camerabin_image_get_property);
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/**
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* GstCameraBinImage:filename
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*
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* This property can be used to specify the filename of the image.
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*
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**/
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g_object_class_install_property (gobject_class, PROP_FILENAME,
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g_param_spec_string ("filename", "Filename",
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"Filename of the image to save", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_camerabin_image_init (GstCameraBinImage * img,
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GstCameraBinImageClass * g_class)
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{
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img->filename = g_string_new ("");
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img->post = NULL;
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img->csp = NULL;
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img->enc = NULL;
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img->app_enc = NULL;
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img->formatter = NULL;
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img->app_formatter = NULL;
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img->sink = NULL;
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/* Create src and sink ghost pads */
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img->sinkpad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK);
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gst_element_add_pad (GST_ELEMENT (img), img->sinkpad);
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img->flags = DEFAULT_FLAGS;
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}
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static void
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gst_camerabin_image_dispose (GstCameraBinImage * img)
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{
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GST_DEBUG_OBJECT (img, "disposing");
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g_string_free (img->filename, TRUE);
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img->filename = NULL;
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if (img->elements) {
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g_list_free (img->elements);
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img->elements = NULL;
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}
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if (img->sink) {
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->sink), GST_OBJECT_REFCOUNT_VALUE (img->sink));
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gst_object_unref (img->sink);
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img->sink = NULL;
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}
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if (img->formatter) {
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->formatter),
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GST_OBJECT_REFCOUNT_VALUE (img->formatter));
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gst_object_unref (img->formatter);
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img->formatter = NULL;
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}
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if (img->app_formatter) {
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gst_object_sink (img->app_formatter);
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->app_formatter),
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GST_OBJECT_REFCOUNT_VALUE (img->app_formatter));
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gst_object_unref (img->app_formatter);
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img->app_formatter = NULL;
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}
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if (img->enc) {
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->enc), GST_OBJECT_REFCOUNT_VALUE (img->enc));
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gst_object_unref (img->enc);
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img->enc = NULL;
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}
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if (img->csp) {
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->csp), GST_OBJECT_REFCOUNT_VALUE (img->csp));
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gst_object_unref (img->csp);
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img->csp = NULL;
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}
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/* Note: if imagebin was never set to READY state the
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ownership of elements created by application were never
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taken by bin and therefore gst_object_sink is called for
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these elements (they may still be in floating state
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and not unreffed properly without sinking first)
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*/
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if (img->app_enc) {
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gst_object_sink (img->app_enc);
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->app_enc),
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GST_OBJECT_REFCOUNT_VALUE (img->app_enc));
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gst_object_unref (img->app_enc);
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img->app_enc = NULL;
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}
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if (img->post) {
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gst_object_sink (img->post);
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GST_LOG_OBJECT (img, "disposing %s with refcount %d",
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GST_ELEMENT_NAME (img->post), GST_OBJECT_REFCOUNT_VALUE (img->post));
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gst_object_unref (img->post);
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img->post = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose ((GObject *) img);
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}
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static GstStateChangeReturn
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gst_camerabin_image_change_state (GstElement * element,
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GstStateChange transition)
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{
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GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
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GstCameraBinImage *img = GST_CAMERABIN_IMAGE (element);
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GST_DEBUG_OBJECT (element, "changing state: %s -> %s",
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gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
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gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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if (!gst_camerabin_image_create_elements (img)) {
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return GST_STATE_CHANGE_FAILURE;
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}
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/* Allow setting filename when image bin in READY state */
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gst_element_set_locked_state (img->sink, TRUE);
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GST_INFO_OBJECT (img, "locking imagebin->sink state to %s",
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gst_element_state_get_name (GST_STATE (img->sink)));
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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if (!g_str_equal (img->filename->str, "")) {
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GST_INFO_OBJECT (img, "preparing image with filename: %s",
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img->filename->str);
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gst_element_set_locked_state (img->sink, FALSE);
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} else {
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GST_INFO_OBJECT (img, "keep sink locked, we have no filename yet");
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}
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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/* Set sink to NULL in order to write the file _now_ */
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GST_INFO_OBJECT (img, "write image with filename: %s",
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img->filename->str);
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gst_element_set_locked_state (img->sink, TRUE);
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gst_element_set_state (img->sink, GST_STATE_NULL);
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g_string_assign (img->filename, "");
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
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/* Write debug graph to file */
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GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (GST_ELEMENT_PARENT (img)),
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GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE |
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GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS, "imagebin.playing");
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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gst_camerabin_image_destroy_elements (img);
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break;
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default:
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break;
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}
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GST_DEBUG_OBJECT (element, "changed state: %s -> %s = %s",
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gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
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gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)),
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gst_element_state_change_return_get_name (ret));
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return ret;
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}
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gboolean
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gst_camerabin_image_send_event (GstElement * element, GstEvent * event)
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{
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GstCameraBinImage *bin = GST_CAMERABIN_IMAGE (element);
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gboolean ret = FALSE;
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GST_INFO ("got %s event", GST_EVENT_TYPE_NAME (event));
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if (GST_EVENT_IS_DOWNSTREAM (event)) {
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ret = gst_pad_send_event (bin->sinkpad, event);
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} else {
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if (bin->sink) {
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ret = gst_element_send_event (bin->sink, event);
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} else {
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GST_WARNING ("upstream event handling failed");
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}
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}
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return ret;
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}
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static void
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gst_camerabin_image_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstCameraBinImage *bin = GST_CAMERABIN_IMAGE (object);
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switch (prop_id) {
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case PROP_FILENAME:
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g_string_assign (bin->filename, g_value_get_string (value));
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GST_INFO_OBJECT (bin, "received filename: '%s'", bin->filename->str);
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if (bin->sink) {
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if (!g_str_equal (bin->filename->str, "")) {
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g_object_set (G_OBJECT (bin->sink), "location", bin->filename->str,
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NULL);
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gst_element_set_locked_state (bin->sink, FALSE);
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gst_element_sync_state_with_parent (bin->sink);
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} else {
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GST_INFO_OBJECT (bin, "empty filename");
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}
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} else {
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GST_INFO_OBJECT (bin, "no sink, not setting name yet");
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_camerabin_image_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstCameraBinImage *bin = GST_CAMERABIN_IMAGE (object);
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switch (prop_id) {
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case PROP_FILENAME:
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g_value_set_string (value, bin->filename->str);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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/*
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* gst_camerabin_image_prepare_elements:
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* @imagebin: a pointer to #GstCameraBinImage object
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*
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* This function creates an ordered list of elements configured for imagebin
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* pipeline and creates the elements if necessary. It also stores pointers
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* to created elements for re-using them.
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*
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* Image bin:
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* img->sinkpad ! [ post process !] [ csp !] encoder ! metadata ! filesink
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*
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* Returns: %FALSE if there was error creating element, %TRUE otherwise
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*/
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gboolean
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gst_camerabin_image_prepare_elements (GstCameraBinImage * imagebin)
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{
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gboolean ret = FALSE;
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GstPad *sinkpad = NULL;
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g_return_val_if_fail (imagebin != NULL, FALSE);
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GST_DEBUG_OBJECT (imagebin, "preparing image capture elements");
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if (imagebin->elements != NULL) {
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g_list_free (imagebin->elements);
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imagebin->elements = NULL;
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}
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/* Create file sink element */
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if (!prepare_element (&imagebin->elements, DEFAULT_SINK, NULL,
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&imagebin->sink)) {
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goto done;
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} else {
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g_object_set (G_OBJECT (imagebin->sink), "location",
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imagebin->filename->str, "async", FALSE, "buffer-mode", 2,
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/* non buffered io */ NULL);
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}
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/* Create metadata muxer element */
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if (!prepare_element (&imagebin->elements, DEFAULT_FORMATTER,
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imagebin->app_formatter, &imagebin->formatter)) {
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goto done;
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} else if (!imagebin->metadata_probe_id) {
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/* Add probe for default XMP metadata writing */
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sinkpad = gst_element_get_static_pad (imagebin->formatter, "sink");
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imagebin->metadata_probe_id =
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gst_pad_add_buffer_probe (sinkpad, G_CALLBACK (metadata_write_probe),
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imagebin);
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gst_object_unref (sinkpad);
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}
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/* Create image encoder element */
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if (!prepare_element (&imagebin->elements, DEFAULT_ENC, imagebin->app_enc,
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&imagebin->enc)) {
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goto done;
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}
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/* Create optional colorspace conversion element */
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if (imagebin->flags & GST_CAMERABIN_FLAG_IMAGE_COLOR_CONVERSION) {
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if (!prepare_element (&imagebin->elements, "ffmpegcolorspace", NULL,
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&imagebin->csp)) {
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goto done;
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}
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}
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/* Add optional image post processing element */
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if (!prepare_element (&imagebin->elements, NULL, imagebin->post,
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&imagebin->post)) {
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goto done;
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}
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ret = TRUE;
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done:
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GST_DEBUG_OBJECT (imagebin, "preparing finished %s", ret ? "OK" : "NOK");
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return ret;
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}
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/*
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* static helper functions implementation
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*/
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/*
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* metadata_write_probe:
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* @pad: sink pad of metadata muxer
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* @buffer: received buffer
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* @u_data: image bin object
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*
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* Buffer probe that sets Xmp.dc.type and Xmp.dc.format tags
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* to metadata muxer based on preceding element src pad caps.
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*
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* Returns: TRUE always
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*/
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static gboolean
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metadata_write_probe (GstPad * pad, GstBuffer * buffer, gpointer u_data)
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{
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/* Add XMP tags */
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GstCameraBinImage *img = NULL;
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GstTagSetter *setter = NULL;
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GstPad *srcpad = NULL;
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GstCaps *caps = NULL;
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GstStructure *st = NULL;
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img = GST_CAMERABIN_IMAGE (u_data);
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g_return_val_if_fail (img != NULL, TRUE);
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if (GST_IS_TAG_SETTER (img->formatter)) {
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setter = GST_TAG_SETTER (img->formatter);
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}
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if (!setter) {
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GST_WARNING_OBJECT (img, "setting tags failed");
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goto done;
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}
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/* Xmp.dc.type tag */
|
|
gst_tag_setter_add_tags (setter, GST_TAG_MERGE_REPLACE,
|
|
GST_TAG_CODEC, "Image", NULL);
|
|
/* Xmp.dc.format tag */
|
|
if (img->enc) {
|
|
srcpad = gst_element_get_static_pad (img->enc, "src");
|
|
}
|
|
GST_LOG_OBJECT (img, "srcpad:%" GST_PTR_FORMAT, srcpad);
|
|
if (srcpad) {
|
|
caps = gst_pad_get_negotiated_caps (srcpad);
|
|
GST_LOG_OBJECT (img, "caps:%" GST_PTR_FORMAT, caps);
|
|
if (caps) {
|
|
/* If there are many structures, we can't know which one to use */
|
|
if (gst_caps_get_size (caps) != 1) {
|
|
GST_WARNING_OBJECT (img, "can't decide structure for format tag");
|
|
goto done;
|
|
}
|
|
st = gst_caps_get_structure (caps, 0);
|
|
if (st) {
|
|
GST_DEBUG_OBJECT (img, "Xmp.dc.format:%s", gst_structure_get_name (st));
|
|
gst_tag_setter_add_tags (setter, GST_TAG_MERGE_REPLACE,
|
|
GST_TAG_VIDEO_CODEC, gst_structure_get_name (st), NULL);
|
|
}
|
|
}
|
|
}
|
|
done:
|
|
if (caps)
|
|
gst_caps_unref (caps);
|
|
if (srcpad)
|
|
gst_object_unref (srcpad);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* prepare_element:
|
|
* @result: result list address
|
|
* @default_element_name: name of default element to be created
|
|
* @app_elem: pointer to application set element
|
|
* @res_elem: pointer to current element to be replaced if needed
|
|
*
|
|
* This function chooses given image capture element or creates a new one and
|
|
* and prepends it to @result list.
|
|
*
|
|
* Returns: %FALSE if there was error creating new element, %TRUE otherwise
|
|
*/
|
|
static gboolean
|
|
prepare_element (GList ** result, const gchar * default_element_name,
|
|
GstElement * app_elem, GstElement ** res_elem)
|
|
{
|
|
GstElement *elem = NULL;
|
|
gboolean ret = TRUE;
|
|
|
|
if (app_elem) {
|
|
/* Prefer application set element */
|
|
elem = app_elem;
|
|
} else if (*res_elem) {
|
|
/* Use existing element if any */
|
|
elem = *res_elem;
|
|
} else if (default_element_name) {
|
|
/* Create new element */
|
|
if (!(elem = gst_element_factory_make (default_element_name, NULL))) {
|
|
GST_WARNING ("creating %s failed", default_element_name);
|
|
ret = FALSE;
|
|
}
|
|
}
|
|
|
|
if (*res_elem != elem) {
|
|
/* Keep reference and store pointer to chosen element, which can be re-used
|
|
until imagebin is disposed or new image capture element is chosen. */
|
|
gst_object_replace ((GstObject **) res_elem, (GstObject *) elem);
|
|
}
|
|
if (elem) {
|
|
*result = g_list_prepend (*result, elem);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* gst_camerabin_image_link_first_element:
|
|
* @img: a pointer to #GstCameraBinImage object
|
|
* @elem: first element to be linked on imagebin
|
|
*
|
|
* Adds given element to imagebin and links it to imagebin's ghost sink pad.
|
|
*
|
|
* Returns: %TRUE if adding and linking succeeded, %FALSE otherwise
|
|
*/
|
|
static gboolean
|
|
gst_camerabin_image_link_first_element (GstCameraBinImage * imagebin,
|
|
GstElement * elem)
|
|
{
|
|
GstPad *first_sinkpad = NULL;
|
|
gboolean ret = FALSE;
|
|
|
|
g_return_val_if_fail (imagebin != NULL, FALSE);
|
|
/* Link given element to imagebin ghost sink pad */
|
|
if (gst_bin_add (GST_BIN (imagebin), elem)) {
|
|
first_sinkpad = gst_element_get_static_pad (elem, "sink");
|
|
if (first_sinkpad) {
|
|
if (gst_ghost_pad_set_target (GST_GHOST_PAD (imagebin->sinkpad),
|
|
first_sinkpad)) {
|
|
ret = TRUE;
|
|
} else {
|
|
GST_WARNING ("linking first element failed");
|
|
}
|
|
gst_object_unref (first_sinkpad);
|
|
} else {
|
|
GST_WARNING ("no sink pad in first element");
|
|
}
|
|
} else {
|
|
GST_WARNING ("adding element failed");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* gst_camerabin_image_link_elements:
|
|
* @imagebin: a pointer to #GstCameraBinImage object
|
|
*
|
|
* Link elements configured to imagebin elements list.
|
|
*
|
|
* Returns %TRUE if linking succeeded, %FALSE otherwise.
|
|
*/
|
|
static gboolean
|
|
gst_camerabin_image_link_elements (GstCameraBinImage * imagebin)
|
|
{
|
|
GList *prev = NULL;
|
|
GList *next = NULL;
|
|
gboolean ret = FALSE;
|
|
|
|
GST_DEBUG_OBJECT (imagebin, "linking image elements");
|
|
|
|
if (!imagebin->elements) {
|
|
GST_WARNING ("no elements to link");
|
|
goto done;
|
|
}
|
|
|
|
/* Link the elements in list */
|
|
prev = imagebin->elements;
|
|
next = g_list_next (imagebin->elements);
|
|
for (; next != NULL; next = g_list_next (next)) {
|
|
/* Link first element in list to imagebin ghost sink pad */
|
|
if (prev == imagebin->elements
|
|
&& !gst_camerabin_image_link_first_element (imagebin,
|
|
GST_ELEMENT (prev->data))) {
|
|
goto done;
|
|
}
|
|
if (!gst_bin_add (GST_BIN (imagebin), GST_ELEMENT (next->data))) {
|
|
GST_WARNING_OBJECT (imagebin, "adding element failed");
|
|
goto done;
|
|
}
|
|
GST_LOG_OBJECT (imagebin, "linking %s - %s",
|
|
GST_ELEMENT_NAME (GST_ELEMENT (prev->data)),
|
|
GST_ELEMENT_NAME (GST_ELEMENT (next->data)));
|
|
if (!gst_element_link (GST_ELEMENT (prev->data), GST_ELEMENT (next->data))) {
|
|
GST_WARNING_OBJECT (imagebin, "linking element failed");
|
|
goto done;
|
|
}
|
|
|
|
prev = next;
|
|
}
|
|
|
|
ret = TRUE;
|
|
|
|
done:
|
|
|
|
if (!ret) {
|
|
gst_camerabin_remove_elements_from_bin (GST_BIN (imagebin));
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (imagebin, "linking finished %s", ret ? "OK" : "NOK");
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* gst_camerabin_image_create_elements:
|
|
* @img: a pointer to #GstCameraBinImage object
|
|
*
|
|
* This function creates needed elements, adds them to
|
|
* imagebin and links them.
|
|
*
|
|
* Returns %TRUE if success, %FALSE otherwise.
|
|
*/
|
|
static gboolean
|
|
gst_camerabin_image_create_elements (GstCameraBinImage * img)
|
|
{
|
|
gboolean ret = FALSE;
|
|
g_return_val_if_fail (img != NULL, FALSE);
|
|
|
|
if (gst_camerabin_image_prepare_elements (img)) {
|
|
ret = gst_camerabin_image_link_elements (img);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* gst_camerabin_image_destroy_elements:
|
|
* @img: a pointer to #GstCameraBinImage object
|
|
*
|
|
* This function releases resources allocated in
|
|
* gst_camerabin_image_create_elements.
|
|
*
|
|
*/
|
|
static void
|
|
gst_camerabin_image_destroy_elements (GstCameraBinImage * img)
|
|
{
|
|
GST_LOG ("destroying image elements");
|
|
|
|
gst_ghost_pad_set_target (GST_GHOST_PAD (img->sinkpad), NULL);
|
|
|
|
gst_camerabin_remove_elements_from_bin (GST_BIN (img));
|
|
}
|
|
|
|
void
|
|
gst_camerabin_image_set_encoder (GstCameraBinImage * img, GstElement * encoder)
|
|
{
|
|
GST_DEBUG ("setting image encoder %" GST_PTR_FORMAT, encoder);
|
|
if (img->app_enc)
|
|
gst_object_unref (img->app_enc);
|
|
if (encoder)
|
|
gst_object_ref (encoder);
|
|
|
|
img->app_enc = encoder;
|
|
}
|
|
|
|
void
|
|
gst_camerabin_image_set_postproc (GstCameraBinImage * img,
|
|
GstElement * postproc)
|
|
{
|
|
GST_DEBUG ("setting image postprocessing element %" GST_PTR_FORMAT, postproc);
|
|
if (img->post)
|
|
gst_object_unref (img->post);
|
|
if (postproc)
|
|
gst_object_ref (postproc);
|
|
|
|
img->post = postproc;
|
|
}
|
|
|
|
void
|
|
gst_camerabin_image_set_formatter (GstCameraBinImage * img,
|
|
GstElement * formatter)
|
|
{
|
|
GstElement **app_formatter;
|
|
GST_DEBUG ("setting image formatter %" GST_PTR_FORMAT, formatter);
|
|
|
|
app_formatter = &img->app_formatter;
|
|
GST_OBJECT_LOCK (img);
|
|
gst_object_replace ((GstObject **) app_formatter, GST_OBJECT (formatter));
|
|
GST_OBJECT_UNLOCK (img);
|
|
}
|
|
|
|
void
|
|
gst_camerabin_image_set_flags (GstCameraBinImage * img, GstCameraBinFlags flags)
|
|
{
|
|
GST_DEBUG_OBJECT (img, "setting image flags: %d", flags);
|
|
img->flags = flags;
|
|
}
|
|
|
|
GstElement *
|
|
gst_camerabin_image_get_encoder (GstCameraBinImage * img)
|
|
{
|
|
GstElement *enc;
|
|
|
|
if (img->app_enc) {
|
|
enc = img->app_enc;
|
|
} else {
|
|
enc = img->enc;
|
|
}
|
|
|
|
return enc;
|
|
}
|
|
|
|
GstElement *
|
|
gst_camerabin_image_get_formatter (GstCameraBinImage * img)
|
|
{
|
|
/* Prefer formatter that is currently in use */
|
|
return img->formatter ? img->formatter : img->app_formatter;
|
|
}
|
|
|
|
GstElement *
|
|
gst_camerabin_image_get_postproc (GstCameraBinImage * img)
|
|
{
|
|
return img->post;
|
|
}
|