mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
241 lines
7 KiB
C
241 lines
7 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org>
|
|
* Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
|
|
* Copyright (C) 2011 Igalia S.L.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:element-debugspy
|
|
* @title: debugspy
|
|
*
|
|
* A spy element that can provide information on buffers going through it, with
|
|
* bus messages.
|
|
*
|
|
* ## Example launch line
|
|
* |[
|
|
* gst-launch-1.0 -m videotestsrc ! debugspy ! fakesink
|
|
* ]|
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
|
|
#include "gstdebugutilsbadelements.h"
|
|
#include "gstdebugspy.h"
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (gst_debug_spy_debug);
|
|
#define GST_CAT_DEFAULT gst_debug_spy_debug
|
|
|
|
/* Filter signals and args */
|
|
enum
|
|
{
|
|
/* FILL ME */
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_SILENT,
|
|
PROP_CHECKSUM_TYPE
|
|
};
|
|
|
|
/* create a GType for GChecksumType */
|
|
#define GST_DEBUG_SPY_CHECKSUM_TYPE (gst_debug_spy_checksum_get_type())
|
|
static GType
|
|
gst_debug_spy_checksum_get_type (void)
|
|
{
|
|
static GType checksum_type = 0;
|
|
|
|
static const GEnumValue checksum_values[] = {
|
|
{G_CHECKSUM_MD5, "Use the MD5 hashing algorithm", "md5"},
|
|
{G_CHECKSUM_SHA1, "Use the SHA-1 hashing algorithm", "sha1"},
|
|
{G_CHECKSUM_SHA256, "Use the SHA-256 hashing algorithm", "sha256"},
|
|
{0, NULL, NULL}
|
|
};
|
|
|
|
if (!checksum_type)
|
|
checksum_type = g_enum_register_static ("GChecksumType", checksum_values);
|
|
|
|
return checksum_type;
|
|
}
|
|
|
|
/* the capabilities of the inputs and outputs.
|
|
*
|
|
* describe the real formats here.
|
|
*/
|
|
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("ANY")
|
|
);
|
|
|
|
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("ANY")
|
|
);
|
|
|
|
G_DEFINE_TYPE (GstDebugSpy, gst_debug_spy, GST_TYPE_BASE_TRANSFORM);
|
|
GST_ELEMENT_REGISTER_DEFINE (debugspy, "debugspy",
|
|
GST_RANK_NONE, gst_debug_spy_get_type ());
|
|
|
|
static void gst_debug_spy_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec);
|
|
static void gst_debug_spy_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec);
|
|
static GstFlowReturn gst_debug_spy_transform_ip (GstBaseTransform * transform,
|
|
GstBuffer * buf);
|
|
|
|
/* GObject vmethod implementations */
|
|
|
|
/* initialize the debugspy's class */
|
|
static void
|
|
gst_debug_spy_class_init (GstDebugSpyClass * klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *element_class;
|
|
GstBaseTransformClass *base_transform_class;
|
|
|
|
gobject_class = (GObjectClass *) klass;
|
|
element_class = (GstElementClass *) klass;
|
|
base_transform_class = (GstBaseTransformClass *) klass;
|
|
|
|
gobject_class->set_property = gst_debug_spy_set_property;
|
|
gobject_class->get_property = gst_debug_spy_get_property;
|
|
|
|
base_transform_class->passthrough_on_same_caps = TRUE;
|
|
base_transform_class->transform_ip = gst_debug_spy_transform_ip;
|
|
|
|
g_object_class_install_property (gobject_class, PROP_SILENT,
|
|
g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
|
|
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_CHECKSUM_TYPE,
|
|
g_param_spec_enum ("checksum-type", "Checksum TYpe",
|
|
"Checksum algorithm to use", GST_DEBUG_SPY_CHECKSUM_TYPE,
|
|
G_CHECKSUM_SHA1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
"DebugSpy",
|
|
"Filter/Analyzer/Debug",
|
|
"DebugSpy provides information on buffers with bus messages",
|
|
"Guillaume Emont <gemont@igalia.com>");
|
|
|
|
gst_element_class_add_static_pad_template (element_class, &src_factory);
|
|
gst_element_class_add_static_pad_template (element_class, &sink_factory);
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_debug_spy_debug, "debugspy", 0, "debugspy");
|
|
}
|
|
|
|
/* initialize the new element
|
|
* instantiate pads and add them to element
|
|
* set pad callback functions
|
|
* initialize instance structure
|
|
*/
|
|
static void
|
|
gst_debug_spy_init (GstDebugSpy * debugspy)
|
|
{
|
|
debugspy->silent = FALSE;
|
|
debugspy->checksum_type = G_CHECKSUM_SHA1;
|
|
}
|
|
|
|
static void
|
|
gst_debug_spy_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstDebugSpy *debugspy = GST_DEBUGSPY (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_SILENT:
|
|
debugspy->silent = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_CHECKSUM_TYPE:
|
|
debugspy->checksum_type = g_value_get_enum (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_debug_spy_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstDebugSpy *debugspy = GST_DEBUGSPY (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_SILENT:
|
|
g_value_set_boolean (value, debugspy->silent);
|
|
break;
|
|
case PROP_CHECKSUM_TYPE:
|
|
g_value_set_enum (value, debugspy->checksum_type);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* GstBaseTransform vmethod implementations */
|
|
|
|
static GstFlowReturn
|
|
gst_debug_spy_transform_ip (GstBaseTransform * transform, GstBuffer * buf)
|
|
{
|
|
GstDebugSpy *debugspy = GST_DEBUGSPY (transform);
|
|
|
|
if (debugspy->silent == FALSE) {
|
|
gchar *checksum;
|
|
GstMessage *message;
|
|
GstStructure *message_structure;
|
|
GstMapInfo map;
|
|
GstCaps *caps;
|
|
|
|
gst_buffer_map (buf, &map, GST_MAP_READ);
|
|
checksum = g_compute_checksum_for_data (debugspy->checksum_type,
|
|
map.data, map.size);
|
|
|
|
caps = gst_pad_get_current_caps (GST_BASE_TRANSFORM_SRC_PAD (transform));
|
|
message_structure = gst_structure_new ("buffer",
|
|
"checksum", G_TYPE_STRING, checksum,
|
|
"timestamp", GST_TYPE_CLOCK_TIME, GST_BUFFER_TIMESTAMP (buf),
|
|
"duration", GST_TYPE_CLOCK_TIME, GST_BUFFER_DURATION (buf),
|
|
"offset", G_TYPE_UINT64, GST_BUFFER_OFFSET (buf),
|
|
"offset_end", G_TYPE_UINT64, GST_BUFFER_OFFSET_END (buf),
|
|
"size", G_TYPE_UINT, map.size, "caps", GST_TYPE_CAPS, caps, NULL);
|
|
if (caps)
|
|
gst_caps_unref (caps);
|
|
|
|
g_free (checksum);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
message =
|
|
gst_message_new_element (GST_OBJECT (transform), message_structure);
|
|
|
|
gst_element_post_message (GST_ELEMENT (transform), message);
|
|
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|