diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/rtp/gstrtppayloads.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst-libs/gst/rtp/gstrtppayloads.h Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,201 @@ +/* GStreamer + * Copyright (C) <2007> Wim Taymans + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_RTPPAYLOADS_H__ +#define __GST_RTPPAYLOADS_H__ + +#include + +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; +}; +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +const GstRTPPayloadInfo * gst_rtp_payload_info_for_pt (guint8 payload_type); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +const GstRTPPayloadInfo * gst_rtp_payload_info_for_name (const gchar *media, const gchar *encoding_name); + +G_END_DECLS + +#endif /* __GST_RTPPAYLOADS_H__ */ +