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Serialize every GstMeta that supports serialization into the NEW_BUFFER payload. This is especially important for GstVideoMeta in the case of multiplanar buffers, or if stride!=width. Sponsored-by: Netflix Inc. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5355>
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/* GStreamer unix file-descriptor source/sink
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*
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* Copyright (C) 2023 Netflix Inc.
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* Author: Xavier Claessens <xavier.claessens@collabora.com>
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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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#pragma once
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#include <gst/gst.h>
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#include <gio/gio.h>
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#include <gio/gunixfdlist.h>
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G_BEGIN_DECLS
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typedef enum
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{
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COMMAND_TYPE_NEW_BUFFER = 0,
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COMMAND_TYPE_RELEASE_BUFFER = 1,
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COMMAND_TYPE_CAPS = 2,
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COMMAND_TYPE_EOS = 3,
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} CommandType;
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typedef enum
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{
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MEMORY_TYPE_DEFAULT = 0,
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MEMORY_TYPE_DMABUF = 1,
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MEMORY_TYPE_LAST,
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} MemoryType;
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typedef struct {
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guint64 size;
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guint64 offset;
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} MemoryPayload;
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typedef struct {
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guint64 id;
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guint64 pts;
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guint64 dts;
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guint64 duration;
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guint64 offset;
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guint64 offset_end;
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guint32 flags;
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guint8 type;
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guint8 n_memory;
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guint16 n_meta;
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MemoryPayload memories[];
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} NewBufferPayload;
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typedef struct {
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guint64 id;
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} ReleaseBufferPayload;
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gboolean gst_unix_fd_send_command(GSocket * socket, CommandType type,
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GUnixFDList * fds, const guint8 * payload, gsize payload_size,
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GError ** error);
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gboolean gst_unix_fd_receive_command (GSocket *socket,
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GCancellable *cancellable, CommandType *type, GUnixFDList **fds,
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guint8 **payload, gsize *payload_size, GError **error);
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gboolean gst_unix_fd_parse_new_buffer (guint8 *payload, gsize payload_size,
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NewBufferPayload **new_buffer, guint32 *consumed);
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gboolean gst_unix_fd_parse_release_buffer(guint8 *payload, gsize payload_size,
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ReleaseBufferPayload **release_buffer);
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gboolean gst_unix_fd_parse_caps (guint8 *payload, gsize payload_size,
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gchar **caps_str);
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GSocket *gst_unix_fd_socket_new(const gchar *socket_path,
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GUnixSocketAddressType socket_type, GSocketAddress **address,
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GError **error);
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GST_ELEMENT_REGISTER_DECLARE (unixfdsrc);
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GST_ELEMENT_REGISTER_DECLARE (unixfdsink);
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G_END_DECLS
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