gstreamer/subprojects/gst-plugins-base/gst-libs/gst/pbutils/encoding-target.h

181 lines
6.4 KiB
C

/* GStreamer encoding profile registry
* Copyright (C) 2010 Edward Hervey <edward.hervey@collabora.co.uk>
* (C) 2010 Nokia Corporation
*
* 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_PROFILE_REGISTRY_H__
#define __GST_PROFILE_REGISTRY_H__
#include <gst/pbutils/encoding-profile.h>
G_BEGIN_DECLS
/* FIXME/UNKNOWNS
*
* Should encoding categories be well-known strings/quarks ?
*
*/
/**
* GST_ENCODING_CATEGORY_DEVICE:
*
* #GstEncodingTarget category for device-specific targets.
* The name of the target will usually be the constructor and model of the device,
* and that target will contain #GstEncodingProfiles suitable for that device.
*/
#define GST_ENCODING_CATEGORY_DEVICE "device"
/**
* GST_ENCODING_CATEGORY_ONLINE_SERVICE:
*
* #GstEncodingTarget category for online-services.
* The name of the target will usually be the name of the online service
* and that target will contain #GstEncodingProfiles suitable for that online
* service.
*/
#define GST_ENCODING_CATEGORY_ONLINE_SERVICE "online-service"
/**
* GST_ENCODING_CATEGORY_STORAGE_EDITING:
*
* #GstEncodingTarget category for storage, archiving and editing targets.
* Those targets can be lossless and/or provide very fast random access content.
* The name of the target will usually be the container type or editing target,
* and that target will contain #GstEncodingProfiles suitable for editing or
* storage.
*/
#define GST_ENCODING_CATEGORY_STORAGE_EDITING "storage-editing"
/**
* GST_ENCODING_CATEGORY_CAPTURE:
*
* #GstEncodingTarget category for recording and capture.
* Targets within this category are optimized for low latency encoding.
*/
#define GST_ENCODING_CATEGORY_CAPTURE "capture"
/**
* GST_ENCODING_CATEGORY_FILE_EXTENSION:
*
* #GstEncodingTarget category for file extensions.
* The name of the target will be the name of the file extensions possible
* for a particular target. Those targets are defining like 'default' formats
* usually used for a particular file extension.
*/
#define GST_ENCODING_CATEGORY_FILE_EXTENSION "file-extension"
/**
* GstEncodingTarget:
*
* Collection of #GstEncodingProfile for a specific target or use-case.
*
* When being stored/loaded, targets come from a specific category, like
* #GST_ENCODING_CATEGORY_DEVICE.
*/
#define GST_TYPE_ENCODING_TARGET \
(gst_encoding_target_get_type ())
#define GST_ENCODING_TARGET(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ENCODING_TARGET, GstEncodingTarget))
#define GST_IS_ENCODING_TARGET(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ENCODING_TARGET))
typedef struct _GstEncodingTarget GstEncodingTarget;
typedef GObjectClass GstEncodingTargetClass;
GST_PBUTILS_API
GType gst_encoding_target_get_type (void);
/**
* gst_encoding_target_unref:
* @target: a #GstEncodingTarget
*
* Decreases the reference count of the @target, possibly freeing it.
*/
#define gst_encoding_target_unref(target) \
(g_object_unref ((GObject*) target))
/**
* gst_encoding_target_ref:
* @target: a #GstEncodingTarget
*
* Increases the reference count of the @target.
*/
#define gst_encoding_target_ref(target) \
(g_object_ref ((GObject*) target))
GST_PBUTILS_API
GstEncodingTarget * gst_encoding_target_new (const gchar *name,
const gchar *category,
const gchar *description,
const GList *profiles);
GST_PBUTILS_API
const gchar * gst_encoding_target_get_name (GstEncodingTarget *target);
GST_PBUTILS_API
const gchar * gst_encoding_target_get_category (GstEncodingTarget *target);
GST_PBUTILS_API
const gchar * gst_encoding_target_get_description (GstEncodingTarget *target);
GST_PBUTILS_API
const gchar * gst_encoding_target_get_path (GstEncodingTarget *target);
GST_PBUTILS_API
const GList * gst_encoding_target_get_profiles (GstEncodingTarget *target);
GST_PBUTILS_API
GstEncodingProfile * gst_encoding_target_get_profile (GstEncodingTarget *target,
const gchar *name);
GST_PBUTILS_API
gboolean gst_encoding_target_add_profile (GstEncodingTarget *target,
GstEncodingProfile *profile);
GST_PBUTILS_API
gboolean gst_encoding_target_save (GstEncodingTarget *target,
GError **error);
GST_PBUTILS_API
gboolean gst_encoding_target_save_to_file (GstEncodingTarget *target,
const gchar *filepath,
GError **error);
GST_PBUTILS_API
GstEncodingTarget * gst_encoding_target_load (const gchar *name,
const gchar *category,
GError **error);
GST_PBUTILS_API
GstEncodingTarget * gst_encoding_target_load_from_file (const gchar *filepath,
GError **error);
GST_PBUTILS_API
GList * gst_encoding_list_available_categories (void);
GST_PBUTILS_API
GList * gst_encoding_list_all_targets (const gchar * categoryname);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstEncodingTarget, gst_object_unref)
G_END_DECLS
#endif /* __GST_PROFILE_REGISTRY_H__ */