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Original commit message from CVS: 2006-05-18 Philippe Kalaf <philippe.kalaf@collabora.co.uk> * gst-libs/gst/rtp/README: Some new documentation * gst-libs/gst/rtp/gstrtpbuffer.h: Added GST_RTP_PAYLOAD_DYNAMIC_STRING for use by children * gst-libs/gst/rtp/gstbasertpaudiopayload.c: * gst-libs/gst/rtp/gstbasertpaudiopayload.h: New RTP audio base payloader class. Supports frame or sample based codecs. Not enabled in Makefile.am until approved.
132 lines
5.6 KiB
C
132 lines
5.6 KiB
C
/* GStreamer
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* Copyright (C) <2005> Philippe Khalaf <burger@speedy.org>
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* <2005> Wim Taymans <wim@fluendo.com>
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*
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* gstrtpbuffer.h: various helper functions to manipulate buffers
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* with RTP payload.
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_RTPBUFFER_H__
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#define __GST_RTPBUFFER_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_RTP_VERSION 2
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typedef enum
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{
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/* Audio: */
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GST_RTP_PAYLOAD_PCMU = 0, /* ITU-T G.711. mu-law audio (RFC 3551) */
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GST_RTP_PAYLOAD_GSM = 3,
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GST_RTP_PAYLOAD_PCMA = 8, /* ITU-T G.711 A-law audio (RFC 3551) */
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GST_RTP_PAYLOAD_L16_STEREO = 10,
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GST_RTP_PAYLOAD_L16_MONO = 11,
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GST_RTP_PAYLOAD_MPA = 14, /* Audio MPEG 1-3 */
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GST_RTP_PAYLOAD_G723_63 = 16, /* Not standard */
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GST_RTP_PAYLOAD_G723_53 = 17, /* Not standard */
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GST_RTP_PAYLOAD_TS48 = 18, /* Not standard */
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GST_RTP_PAYLOAD_TS41 = 19, /* Not standard */
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GST_RTP_PAYLOAD_G728 = 20, /* Not standard */
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GST_RTP_PAYLOAD_G729 = 21, /* Not standard */
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/* Video: */
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GST_RTP_PAYLOAD_MPV = 32, /* Video MPEG 1 & 2 */
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GST_RTP_PAYLOAD_H263 = 34,
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/* BOTH */
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} GstRTPPayload;
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/* Defining the above as strings, to make the declaration of pad_templates
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* easier. So if please keep these synchronized with the above.
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*/
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#define GST_RTP_PAYLOAD_PCMU_STRING "0"
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#define GST_RTP_PAYLOAD_GSM_STRING "3"
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#define GST_RTP_PAYLOAD_PCMA_STRING "8"
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#define GST_RTP_PAYLOAD_L16_STEREO_STRING "10"
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#define GST_RTP_PAYLOAD_L16_MONO_STRING "11"
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#define GST_RTP_PAYLOAD_MPA_STRING "14"
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#define GST_RTP_PAYLOAD_G723_63_STRING "16"
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#define GST_RTP_PAYLOAD_G723_53_STRING "17"
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#define GST_RTP_PAYLOAD_TS48_STRING "18"
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#define GST_RTP_PAYLOAD_TS41_STRING "19"
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#define GST_RTP_PAYLOAD_G728_STRING "20"
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#define GST_RTP_PAYLOAD_G729_STRING "21"
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#define GST_RTP_PAYLOAD_MPV_STRING "32"
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#define GST_RTP_PAYLOAD_H263_STRING "34"
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#define GST_RTP_PAYLOAD_DYNAMIC_STRING "[96, 127]"
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/* creating buffers */
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GstBuffer* gst_rtp_buffer_new (void);
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void gst_rtp_buffer_allocate_data (GstBuffer *buffer, guint payload_len,
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guint8 pad_len, guint8 csrc_count);
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GstBuffer* gst_rtp_buffer_new_take_data (gpointer data, guint len);
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GstBuffer* gst_rtp_buffer_new_copy_data (gpointer data, guint len);
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GstBuffer* gst_rtp_buffer_new_allocate (guint payload_len, guint8 pad_len, guint8 csrc_count);
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GstBuffer* gst_rtp_buffer_new_allocate_len (guint packet_len, guint8 pad_len, guint8 csrc_count);
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guint gst_rtp_buffer_calc_header_len (guint8 csrc_count);
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guint gst_rtp_buffer_calc_packet_len (guint payload_len, guint8 pad_len, guint8 csrc_count);
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guint gst_rtp_buffer_calc_payload_len (guint packet_len, guint8 pad_len, guint8 csrc_count);
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gboolean gst_rtp_buffer_validate_data (guint8 *data, guint len);
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gboolean gst_rtp_buffer_validate (GstBuffer *buffer);
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void gst_rtp_buffer_set_packet_len (GstBuffer *buffer, guint len);
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guint gst_rtp_buffer_get_packet_len (GstBuffer *buffer);
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guint8 gst_rtp_buffer_get_version (GstBuffer *buffer);
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void gst_rtp_buffer_set_version (GstBuffer *buffer, guint8 version);
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gboolean gst_rtp_buffer_get_padding (GstBuffer *buffer);
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void gst_rtp_buffer_set_padding (GstBuffer *buffer, gboolean padding);
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void gst_rtp_buffer_pad_to (GstBuffer *buffer, guint len);
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gboolean gst_rtp_buffer_get_extension (GstBuffer *buffer);
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void gst_rtp_buffer_set_extension (GstBuffer *buffer, gboolean extension);
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guint32 gst_rtp_buffer_get_ssrc (GstBuffer *buffer);
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void gst_rtp_buffer_set_ssrc (GstBuffer *buffer, guint32 ssrc);
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guint8 gst_rtp_buffer_get_csrc_count (GstBuffer *buffer);
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guint32 gst_rtp_buffer_get_csrc (GstBuffer *buffer, guint8 idx);
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void gst_rtp_buffer_set_csrc (GstBuffer *buffer, guint8 idx, guint32 csrc);
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gboolean gst_rtp_buffer_get_marker (GstBuffer *buffer);
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void gst_rtp_buffer_set_marker (GstBuffer *buffer, gboolean marker);
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guint8 gst_rtp_buffer_get_payload_type (GstBuffer *buffer);
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void gst_rtp_buffer_set_payload_type (GstBuffer *buffer, guint8 payload_type);
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guint16 gst_rtp_buffer_get_seq (GstBuffer *buffer);
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void gst_rtp_buffer_set_seq (GstBuffer *buffer, guint16 seq);
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guint32 gst_rtp_buffer_get_timestamp (GstBuffer *buffer);
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void gst_rtp_buffer_set_timestamp (GstBuffer *buffer, guint32 timestamp);
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GstBuffer* gst_rtp_buffer_get_payload_buffer (GstBuffer *buffer);
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guint gst_rtp_buffer_get_payload_len (GstBuffer *buffer);
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gpointer gst_rtp_buffer_get_payload (GstBuffer *buffer);
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G_END_DECLS
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#endif /* __GST_RTPBUFFER_H__ */
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