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This information was available internally already but not available from the outside. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1221>
101 lines
3.7 KiB
C
101 lines
3.7 KiB
C
/* GStreamer base utils library source/sink/codec description support
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* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_PB_UTILS_DESCRIPTIONS_H__
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#define __GST_PB_UTILS_DESCRIPTIONS_H__
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#include <gst/gsttaglist.h>
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#include <gst/gstcaps.h>
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#include <gst/pbutils/pbutils-prelude.h>
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G_BEGIN_DECLS
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/**
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* GstPbUtilsCapsDescriptionFlags:
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_CONTAINER: Caps describe a container format.
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_AUDIO: Caps describe an audio format, or a
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* container format that can store audio.
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_VIDEO: Caps describe an video format, or a
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* container format that can store video.
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_IMAGE: Caps describe an image format, or a
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* container format that can store image.
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_SUBTITLE: Caps describe an subtitle format, or a
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* container format that can store subtitles.
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_TAG: Container format is a tags container.
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* @GST_PBUTILS_CAPS_DESCRIPTION_FLAG_GENERIC: Container format can store any kind of
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* stream type.
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*
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* Flags that are returned by gst_pb_utils_get_caps_description_flags() and
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* describe the format of the caps.
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*
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* Since: 1.20
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*/
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typedef enum {
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_CONTAINER = 1 << 0,
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_AUDIO = 1 << 1,
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_VIDEO = 1 << 2,
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_IMAGE = 1 << 3,
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_SUBTITLE = 1 << 4,
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_TAG = 1 << 5,
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GST_PBUTILS_CAPS_DESCRIPTION_FLAG_GENERIC = 1 << 6,
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} GstPbUtilsCapsDescriptionFlags;
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/*
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* functions for use by demuxers or decoders to add CODEC tags to tag lists
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* from caps
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*/
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GST_PBUTILS_API
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gboolean gst_pb_utils_add_codec_description_to_tag_list (GstTagList * taglist,
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const gchar * codec_tag,
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const GstCaps * caps);
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_codec_description (const GstCaps * caps);
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/*
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* functions mainly used by the missing plugins message creation functions to
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* find descriptions of what exactly is missing
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*/
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_source_description (const gchar * protocol);
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_sink_description (const gchar * protocol);
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_decoder_description (const GstCaps * caps);
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_encoder_description (const GstCaps * caps);
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_element_description (const gchar * factory_name);
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GST_PBUTILS_API
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GstPbUtilsCapsDescriptionFlags gst_pb_utils_get_caps_description_flags (const GstCaps * caps);
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GST_PBUTILS_API
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gchar * gst_pb_utils_get_file_extension_from_caps (const GstCaps *caps);
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G_END_DECLS
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#endif /* __GST_PB_UTILS_DESCRIPTIONS_H__ */
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