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142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
/* GStreamer RTMP Library
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* Copyright (C) 2017 Make.TV, Inc. <info@make.tv>
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* Contact: Jan Alexander Steffens (heftig) <jsteffens@make.tv>
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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_RTMP_MESSAGE_H_
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#define _GST_RTMP_MESSAGE_H_
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#include <gst/gst.h>
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G_BEGIN_DECLS
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typedef enum {
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GST_RTMP_MESSAGE_TYPE_INVALID = 0,
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GST_RTMP_MESSAGE_TYPE_SET_CHUNK_SIZE = 1,
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GST_RTMP_MESSAGE_TYPE_ABORT_MESSAGE = 2,
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GST_RTMP_MESSAGE_TYPE_ACKNOWLEDGEMENT = 3,
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GST_RTMP_MESSAGE_TYPE_USER_CONTROL = 4,
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GST_RTMP_MESSAGE_TYPE_WINDOW_ACK_SIZE = 5,
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GST_RTMP_MESSAGE_TYPE_SET_PEER_BANDWIDTH = 6,
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GST_RTMP_MESSAGE_TYPE_AUDIO = 8,
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GST_RTMP_MESSAGE_TYPE_VIDEO = 9,
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GST_RTMP_MESSAGE_TYPE_DATA_AMF3 = 15,
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GST_RTMP_MESSAGE_TYPE_SHARED_OBJECT_AMF3 = 16,
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GST_RTMP_MESSAGE_TYPE_COMMAND_AMF3 = 17,
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GST_RTMP_MESSAGE_TYPE_DATA_AMF0 = 18,
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GST_RTMP_MESSAGE_TYPE_SHARED_OBJECT_AMF0 = 19,
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GST_RTMP_MESSAGE_TYPE_COMMAND_AMF0 = 20,
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GST_RTMP_MESSAGE_TYPE_AGGREGATE = 22,
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} GstRtmpMessageType;
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gboolean gst_rtmp_message_type_is_valid (GstRtmpMessageType type);
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gboolean gst_rtmp_message_type_is_protocol_control (GstRtmpMessageType type);
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const gchar * gst_rtmp_message_type_get_nick (GstRtmpMessageType type);
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typedef enum
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{
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GST_RTMP_USER_CONTROL_TYPE_STREAM_BEGIN = 0,
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GST_RTMP_USER_CONTROL_TYPE_STREAM_EOF = 1,
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GST_RTMP_USER_CONTROL_TYPE_STREAM_DRY = 2,
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GST_RTMP_USER_CONTROL_TYPE_SET_BUFFER_LENGTH = 3,
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GST_RTMP_USER_CONTROL_TYPE_STREAM_IS_RECORDED = 4,
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GST_RTMP_USER_CONTROL_TYPE_PING_REQUEST = 6,
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GST_RTMP_USER_CONTROL_TYPE_PING_RESPONSE = 7,
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/* undocumented */
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GST_RTMP_USER_CONTROL_TYPE_SWF_VERIFICATION_REQUEST = 26,
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GST_RTMP_USER_CONTROL_TYPE_SWF_VERIFICATION_RESPONSE = 27,
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GST_RTMP_USER_CONTROL_TYPE_BUFFER_EMPTY = 31,
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GST_RTMP_USER_CONTROL_TYPE_BUFFER_READY = 32,
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} GstRtmpUserControlType;
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const gchar * gst_rtmp_user_control_type_get_nick (
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GstRtmpUserControlType type);
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#define GST_RTMP_META_API_TYPE (gst_rtmp_meta_api_get_type())
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#define GST_RTMP_META_INFO (gst_rtmp_meta_get_info())
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typedef struct _GstRtmpMeta GstRtmpMeta;
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struct _GstRtmpMeta {
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GstMeta meta;
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guint32 cstream;
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guint32 ts_delta;
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guint32 size;
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GstRtmpMessageType type;
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guint32 mstream;
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};
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GType gst_rtmp_meta_api_get_type (void);
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const GstMetaInfo * gst_rtmp_meta_get_info (void);
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GstRtmpMeta * gst_buffer_add_rtmp_meta (GstBuffer * buffer);
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static inline GstRtmpMeta *
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gst_buffer_get_rtmp_meta (GstBuffer * buffer)
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{
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return (GstRtmpMeta *) gst_buffer_get_meta (buffer, GST_RTMP_META_API_TYPE);
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}
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GstBuffer * gst_rtmp_message_new (GstRtmpMessageType type, guint32 cstream,
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guint32 mstream);
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GstBuffer * gst_rtmp_message_new_wrapped (GstRtmpMessageType type, guint32 cstream,
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guint32 mstream, guint8 * data, gsize size);
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void gst_rtmp_buffer_dump (GstBuffer * buffer, const gchar * prefix);
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GstRtmpMessageType gst_rtmp_message_get_type (GstBuffer * buffer);
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gboolean gst_rtmp_message_is_protocol_control (GstBuffer * buffer);
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gboolean gst_rtmp_message_is_user_control (GstBuffer * buffer);
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typedef struct {
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GstRtmpMessageType type;
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/* for SET_CHUNK_SIZE: chunk size */
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/* for ABORT_MESSAGE: chunk stream ID */
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/* for ACKNOWLEDGEMENT: acknowledged byte count */
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/* for WINDOW_ACK_SIZE and SET_PEER_BANDWIDTH: acknowledgement window size */
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guint32 param;
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/* for SET_PEER_BANDWIDTH: limit type */
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guint8 param2;
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} GstRtmpProtocolControl;
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gboolean gst_rtmp_message_parse_protocol_control (GstBuffer * buffer,
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GstRtmpProtocolControl * out);
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GstBuffer * gst_rtmp_message_new_protocol_control (GstRtmpProtocolControl * pc);
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typedef struct {
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GstRtmpUserControlType type;
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/* for STREAM_BEGIN to STREAM_IS_RECORDED: message stream ID */
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/* for PING_REQUEST and PING_RESPONSE: timestamp of request */
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guint32 param;
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/* for SET_BUFFER_LENGTH: buffer length in ms */
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guint32 param2;
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} GstRtmpUserControl;
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gboolean gst_rtmp_message_parse_user_control (GstBuffer * buffer,
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GstRtmpUserControl * out);
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GstBuffer * gst_rtmp_message_new_user_control (GstRtmpUserControl * uc);
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G_END_DECLS
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#endif
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