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/* GStreamer
* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
*
* gstrtppayloads.h: various helper functions to deal with RTP payload
* types.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_RTPPAYLOADS_H__
#define __GST_RTPPAYLOADS_H__
#include <gst/gst.h>
#include <gst/rtp/rtp-prelude.h>
G_BEGIN_DECLS
/**
* GstRTPPayload:
* @GST_RTP_PAYLOAD_PCMU: ITU-T G.711. mu-law audio (RFC 3551)
* @GST_RTP_PAYLOAD_1016: RFC 3551 says reserved
* @GST_RTP_PAYLOAD_G721: RFC 3551 says reserved
* @GST_RTP_PAYLOAD_GSM: GSM audio
* @GST_RTP_PAYLOAD_G723: ITU G.723.1 audio
* @GST_RTP_PAYLOAD_DVI4_8000: IMA ADPCM wave type (RFC 3551)
* @GST_RTP_PAYLOAD_DVI4_16000: IMA ADPCM wave type (RFC 3551)
* @GST_RTP_PAYLOAD_LPC: experimental linear predictive encoding
* @GST_RTP_PAYLOAD_PCMA: ITU-T G.711 A-law audio (RFC 3551)
* @GST_RTP_PAYLOAD_G722: ITU-T G.722 (RFC 3551)
* @GST_RTP_PAYLOAD_L16_STEREO: stereo PCM
* @GST_RTP_PAYLOAD_L16_MONO: mono PCM
* @GST_RTP_PAYLOAD_QCELP: EIA & TIA standard IS-733
* @GST_RTP_PAYLOAD_CN: Comfort Noise (RFC 3389)
* @GST_RTP_PAYLOAD_MPA: Audio MPEG 1-3.
* @GST_RTP_PAYLOAD_G728: ITU-T G.728 Speech coder (RFC 3551)
* @GST_RTP_PAYLOAD_DVI4_11025: IMA ADPCM wave type (RFC 3551)
* @GST_RTP_PAYLOAD_DVI4_22050: IMA ADPCM wave type (RFC 3551)
* @GST_RTP_PAYLOAD_G729: ITU-T G.729 Speech coder (RFC 3551)
* @GST_RTP_PAYLOAD_CELLB: See RFC 2029
* @GST_RTP_PAYLOAD_JPEG: ISO Standards 10918-1 and 10918-2 (RFC 2435)
* @GST_RTP_PAYLOAD_NV: nv encoding by Ron Frederick
* @GST_RTP_PAYLOAD_H261: ITU-T Recommendation H.261 (RFC 2032)
* @GST_RTP_PAYLOAD_MPV: Video MPEG 1 & 2 (RFC 2250)
* @GST_RTP_PAYLOAD_MP2T: MPEG-2 transport stream (RFC 2250)
* @GST_RTP_PAYLOAD_H263: Video H263 (RFC 2190)
*
* Standard predefined fixed payload types.
*
* The official list is at:
* http://www.iana.org/assignments/rtp-parameters
*
* Audio:
* reserved: 19
* unassigned: 20-23,
*
* Video:
* unassigned: 24, 27, 29, 30, 35-71, 77-95
* Reserved for RTCP conflict avoidance: 72-76
*/
typedef enum
{
/* Audio: */
GST_RTP_PAYLOAD_PCMU = 0,
GST_RTP_PAYLOAD_1016 = 1, /* RFC 3551 says reserved */
GST_RTP_PAYLOAD_G721 = 2, /* RFC 3551 says reserved */
GST_RTP_PAYLOAD_GSM = 3,
GST_RTP_PAYLOAD_G723 = 4,
GST_RTP_PAYLOAD_DVI4_8000 = 5,
GST_RTP_PAYLOAD_DVI4_16000 = 6,
GST_RTP_PAYLOAD_LPC = 7,
GST_RTP_PAYLOAD_PCMA = 8,
GST_RTP_PAYLOAD_G722 = 9,
GST_RTP_PAYLOAD_L16_STEREO = 10,
GST_RTP_PAYLOAD_L16_MONO = 11,
GST_RTP_PAYLOAD_QCELP = 12,
GST_RTP_PAYLOAD_CN = 13,
GST_RTP_PAYLOAD_MPA = 14,
GST_RTP_PAYLOAD_G728 = 15,
GST_RTP_PAYLOAD_DVI4_11025 = 16,
GST_RTP_PAYLOAD_DVI4_22050 = 17,
GST_RTP_PAYLOAD_G729 = 18,
/* Video: */
GST_RTP_PAYLOAD_CELLB = 25,
GST_RTP_PAYLOAD_JPEG = 26,
GST_RTP_PAYLOAD_NV = 28,
GST_RTP_PAYLOAD_H261 = 31,
GST_RTP_PAYLOAD_MPV = 32,
GST_RTP_PAYLOAD_MP2T = 33,
GST_RTP_PAYLOAD_H263 = 34,
/* BOTH */
} GstRTPPayload;
/* backward compatibility */
#define GST_RTP_PAYLOAD_G723_63 16
#define GST_RTP_PAYLOAD_G723_53 17
#define GST_RTP_PAYLOAD_TS48 18
#define GST_RTP_PAYLOAD_TS41 19
#define GST_RTP_PAYLOAD_G723_63_STRING "16"
#define GST_RTP_PAYLOAD_G723_53_STRING "17"
#define GST_RTP_PAYLOAD_TS48_STRING "18"
#define GST_RTP_PAYLOAD_TS41_STRING "19"
/* Defining the above as strings, to make the declaration of pad_templates
* easier. So if please keep these synchronized with the above.
*/
#define GST_RTP_PAYLOAD_PCMU_STRING "0"
#define GST_RTP_PAYLOAD_1016_STRING "1"
#define GST_RTP_PAYLOAD_G721_STRING "2"
#define GST_RTP_PAYLOAD_GSM_STRING "3"
#define GST_RTP_PAYLOAD_G723_STRING "4"
#define GST_RTP_PAYLOAD_DVI4_8000_STRING "5"
#define GST_RTP_PAYLOAD_DVI4_16000_STRING "6"
#define GST_RTP_PAYLOAD_LPC_STRING "7"
#define GST_RTP_PAYLOAD_PCMA_STRING "8"
#define GST_RTP_PAYLOAD_G722_STRING "9"
#define GST_RTP_PAYLOAD_L16_STEREO_STRING "10"
#define GST_RTP_PAYLOAD_L16_MONO_STRING "11"
#define GST_RTP_PAYLOAD_QCELP_STRING "12"
#define GST_RTP_PAYLOAD_CN_STRING "13"
#define GST_RTP_PAYLOAD_MPA_STRING "14"
#define GST_RTP_PAYLOAD_G728_STRING "15"
#define GST_RTP_PAYLOAD_DVI4_11025_STRING "16"
#define GST_RTP_PAYLOAD_DVI4_22050_STRING "17"
#define GST_RTP_PAYLOAD_G729_STRING "18"
#define GST_RTP_PAYLOAD_CELLB_STRING "25"
#define GST_RTP_PAYLOAD_JPEG_STRING "26"
#define GST_RTP_PAYLOAD_NV_STRING "28"
#define GST_RTP_PAYLOAD_H261_STRING "31"
#define GST_RTP_PAYLOAD_MPV_STRING "32"
#define GST_RTP_PAYLOAD_MP2T_STRING "33"
#define GST_RTP_PAYLOAD_H263_STRING "34"
#define GST_RTP_PAYLOAD_DYNAMIC_STRING "[96, 127]"
/**
* GST_RTP_PAYLOAD_IS_DYNAMIC:
* @pt: a payload type
*
* Check if @pt is a dynamic payload type.
*/
#define GST_RTP_PAYLOAD_IS_DYNAMIC(pt) ((pt) >= 96 && (pt) <= 127)
typedef struct _GstRTPPayloadInfo GstRTPPayloadInfo;
/**
* GstRTPPayloadInfo:
* @payload_type: payload type, -1 means dynamic
* @media: the media type(s), usually "audio", "video", "application", "text",
* "message".
* @encoding_name: the encoding name of @pt
* @clock_rate: default clock rate, 0 = unknown/variable
* @encoding_parameters: encoding parameters. For audio this is the number of
* channels. NULL = not applicable.
* @bitrate: the bitrate of the media. 0 = unknown/variable.
*
* Structure holding default payload type information.
*/
struct _GstRTPPayloadInfo
{
guint8 payload_type;
const gchar *media;
const gchar *encoding_name;
guint clock_rate;
const gchar *encoding_parameters;
guint bitrate;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_RTP_API
const GstRTPPayloadInfo * gst_rtp_payload_info_for_pt (guint8 payload_type);
GST_RTP_API
const GstRTPPayloadInfo * gst_rtp_payload_info_for_name (const gchar *media, const gchar *encoding_name);
G_END_DECLS
#endif /* __GST_RTPPAYLOADS_H__ */
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