1 /* GStreamer plugin for forward error correction 2 * Copyright (C) 2017 Pexip 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 * 18 * Author: Mikhail Fludkov <misha@pexip.com> 19 */ 20 21 #ifndef __RTP_STORAGE_H__ 22 #define __RTP_STORAGE_H__ 23 24 #include <gst/gst.h> 25 26 G_BEGIN_DECLS 27 28 #define RTP_TYPE_STORAGE \ 29 (rtp_storage_get_type()) 30 #define RTP_STORAGE(obj) \ 31 (G_TYPE_CHECK_INSTANCE_CAST((obj),RTP_TYPE_STORAGE,RtpStorage)) 32 #define RTP_STORAGE_CLASS(klass) \ 33 (G_TYPE_CHECK_CLASS_CAST((klass),RTP_TYPE_STORAGE,RtpStorageClass)) 34 #define GST_IS_RTP_STORAGE(obj) \ 35 (G_TYPE_CHECK_INSTANCE_TYPE((obj),RTP_TYPE_STORAGE)) 36 #define GST_IS_RTP_STORAGE_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_TYPE((klass),RTP_TYPE_RED_DEC)) 38 39 typedef struct _RtpStorage RtpStorage; 40 typedef struct _RtpStorageClass RtpStorageClass; 41 42 struct _RtpStorageClass { 43 GObjectClass parent_class; 44 }; 45 46 struct _RtpStorage { 47 GObject parent; 48 GstClockTime size_time; 49 GHashTable *streams; 50 GMutex streams_lock; 51 }; 52 53 GstBufferList * rtp_storage_get_packets_for_recovery (RtpStorage * self, gint fec_pt, 54 guint32 ssrc, guint16 lost_seq); 55 void rtp_storage_put_recovered_packet (RtpStorage * self, GstBuffer * buffer, 56 guint8 pt, guint32 ssrc, guint16 seq); 57 GstBuffer * rtp_storage_get_redundant_packet (RtpStorage * self, guint32 ssrc, 58 guint16 lost_seq); 59 gboolean rtp_storage_append_buffer (RtpStorage *self, GstBuffer *buffer); 60 void rtp_storage_clear (RtpStorage *self); 61 RtpStorage * rtp_storage_new (void); 62 void rtp_storage_set_size (RtpStorage *self, GstClockTime size); 63 GstClockTime rtp_storage_get_size (RtpStorage *self); 64 65 GType rtp_storage_get_type (void); 66 67 G_END_DECLS 68 69 #endif /* __RTP_STORAGE_H__ */ 70