diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/rtp/gstrtppayloads.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst-libs/gst/rtp/gstrtppayloads.c Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,237 @@ +/* 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. + */ + +/** + * SECTION:gstrtppayloads + * @short_description: Helper methods for dealing with RTP payloads + * @see_also: gstrtpbuffer + * + * + * + * The GstRTPPayloads helper functions makes it easy to deal with static and dynamic + * payloads. Its main purpose is to retrieve properties such as the default clock-rate + * and get session bandwidth information. + * + * + * + * Last reviewed on 2007-10-01 (0.10.15) + */ + +#include + +#include "gstrtppayloads.h" + +/* pt, encoding_name, media, rate, params, bitrate */ +static const GstRTPPayloadInfo info[] = { + /* static audio */ + {0, "audio", "PCMU", 8000, "1", 64000}, + /* { 1, "audio", "reserved", 0, NULL, 0 }, */ + /* { 2, "audio", "reserved", 0, NULL, 0 }, */ + {3, "audio", "GSM", 8000, "1", 0}, + {4, "audio", "G723", 8000, "1", 0}, + {5, "audio", "DVI4", 8000, "1", 32000}, + {6, "audio", "DVI4", 16000, "1", 64000}, + {7, "audio", "LPC", 8000, "1", 0}, + {8, "audio", "PCMA", 8000, "1", 64000}, + {9, "audio", "G722", 8000, "1", 64000}, + {10, "audio", "L16", 44100, "2", 1411200}, + {11, "audio", "L16", 44100, "1", 705600}, + {12, "audio", "QCELP", 8000, "1", 0}, + {13, "audio", "CN", 8000, "1", 0}, + {14, "audio", "MPA", 90000, NULL, 0}, + {15, "audio", "G728", 8000, "1", 0}, + {16, "audio", "DVI4", 11025, "1", 44100}, + {17, "audio", "DVI4", 22050, "1", 88200}, + {18, "audio", "G729", 8000, "1", 0}, + /* { 19, "audio", "reserved", 0, NULL, 0 }, */ + /* { 20, "audio", "unassigned", 0, NULL, 0 }, */ + /* { 21, "audio", "unassigned", 0, NULL, 0 }, */ + /* { 22, "audio", "unassigned", 0, NULL, 0 }, */ + /* { 23, "audio", "unassigned", 0, NULL, 0 }, */ + + /* video and video/audio */ + /* { 24, "video", "unassigned", 0, NULL, 0 }, */ + {25, "video", "CelB", 90000, NULL, 0}, + {26, "video", "JPEG", 90000, NULL, 0}, + /* { 27, "video", "unassigned", 0, NULL, 0 }, */ + {28, "video", "nv", 90000, NULL, 0}, + /* { 29, "video", "unassigned", 0, NULL, 0 }, */ + /* { 30, "video", "unassigned", 0, NULL, 0 }, */ + {31, "video", "H261", 90000, NULL, 0}, + {32, "video", "MPV", 90000, NULL, 0}, + {33, "video", "MP2T", 90000, NULL, 0}, + {34, "video", "H263", 90000, NULL, 0}, + /* { 35-71, "unassigned", 0, 0, NULL, 0 }, */ + /* { 72-76, "reserved", 0, 0, NULL, 0 }, */ + /* { 77-95, "unassigned", 0, 0, NULL, 0 }, */ + /* { 96-127, "dynamic", 0, 0, NULL, 0 }, */ + + /* dynamic stuff */ + {G_MAXUINT8, "application", "parityfec", 0, NULL, 0}, /* [RFC3009] */ + {G_MAXUINT8, "application", "rtx", 0, NULL, 0}, /* [RFC4588] */ + {G_MAXUINT8, "audio", "AMR", 8000, NULL, 0}, /* [RFC4867][RFC3267] */ + {G_MAXUINT8, "audio", "AMR-WB", 16000, NULL, 0}, /* [RFC4867][RFC3267] */ + {G_MAXUINT8, "audio", "DAT12", 0, NULL, 0}, /* [RFC3190] */ + {G_MAXUINT8, "audio", "dsr-es201108", 0, NULL, 0}, /* [RFC3557] */ + {G_MAXUINT8, "audio", "EVRC", 8000, "1", 0}, /* [RFC4788] */ + {G_MAXUINT8, "audio", "EVRC0", 8000, "1", 0}, /* [RFC4788] */ + {G_MAXUINT8, "audio", "EVRC1", 8000, "1", 0}, /* [RFC4788] */ + {G_MAXUINT8, "audio", "EVRCB", 8000, "1", 0}, /* [RFC4788] */ + {G_MAXUINT8, "audio", "EVRCB0", 8000, "1", 0}, /* [RFC4788] */ + {G_MAXUINT8, "audio", "EVRCB1", 8000, "1", 0}, /* [RFC4788] */ + {G_MAXUINT8, "audio", "G7221", 16000, "1", 0}, /* [RFC3047] */ + {G_MAXUINT8, "audio", "G726-16", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "G726-24", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "G726-32", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "G726-40", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "G729D", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "G729E", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "GSM-EFR", 8000, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "L8", 0, NULL, 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "RED", 0, NULL, 0}, /* [RFC2198][RFC3555] */ + {G_MAXUINT8, "audio", "rtx", 0, NULL, 0}, /* [RFC4588] */ + {G_MAXUINT8, "audio", "VDVI", 0, "1", 0}, /* [RFC3551][RFC4856] */ + {G_MAXUINT8, "audio", "L20", 0, NULL, 0}, /* [RFC3190] */ + {G_MAXUINT8, "audio", "L24", 0, NULL, 0}, /* [RFC3190] */ + {G_MAXUINT8, "audio", "MP4A-LATM", 0, NULL, 0}, /* [RFC3016] */ + {G_MAXUINT8, "audio", "mpa-robust", 90000, NULL, 0}, /* [RFC3119] */ + {G_MAXUINT8, "audio", "parityfec", 0, NULL, 0}, /* [RFC3009] */ + {G_MAXUINT8, "audio", "SMV", 8000, "1", 0}, /* [RFC3558] */ + {G_MAXUINT8, "audio", "SMV0", 8000, "1", 0}, /* [RFC3558] */ + {G_MAXUINT8, "audio", "t140c", 0, NULL, 0}, /* [RFC4351] */ + {G_MAXUINT8, "audio", "t38", 0, NULL, 0}, /* [RFC4612] */ + {G_MAXUINT8, "audio", "telephone-event", 0, NULL, 0}, /* [RFC4733] */ + {G_MAXUINT8, "audio", "tone", 0, NULL, 0}, /* [RFC4733] */ + {G_MAXUINT8, "audio", "DVI4", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "G722", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "G723", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "G728", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "G729", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "GSM", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "L16", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "LPC", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "PCMA", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "audio", "PCMU", 0, NULL, 0}, /* [RFC4856] */ + {G_MAXUINT8, "text", "parityfec", 0, NULL, 0}, /* [RFC3009] */ + {G_MAXUINT8, "text", "red", 1000, NULL, 0}, /* [RFC4102] */ + {G_MAXUINT8, "text", "rtx", 0, NULL, 0}, /* [RFC4588] */ + {G_MAXUINT8, "text", "t140", 1000, NULL, 0}, /* [RFC4103] */ + {G_MAXUINT8, "video", "BMPEG", 90000, NULL, 0}, /* [RFC2343][RFC3555] */ + {G_MAXUINT8, "video", "BT656", 90000, NULL, 0}, /* [RFC2431][RFC3555] */ + {G_MAXUINT8, "video", "DV", 90000, NULL, 0}, /* [RFC3189] */ + {G_MAXUINT8, "video", "H263-1998", 90000, NULL, 0}, /* [RFC2429][RFC3555] */ + {G_MAXUINT8, "video", "H263-2000", 90000, NULL, 0}, /* [RFC2429][RFC3555] */ + {G_MAXUINT8, "video", "MP1S", 90000, NULL, 0}, /* [RFC2250][RFC3555] */ + {G_MAXUINT8, "video", "MP2P", 90000, NULL, 0}, /* [RFC2250][RFC3555] */ + {G_MAXUINT8, "video", "MP4V-ES", 90000, NULL, 0}, /* [RFC3016] */ + {G_MAXUINT8, "video", "parityfec", 0, NULL, 0}, /* [RFC3009] */ + {G_MAXUINT8, "video", "pointer", 90000, NULL, 0}, /* [RFC2862] */ + {G_MAXUINT8, "video", "raw", 90000, NULL, 0}, /* [RFC4175] */ + {G_MAXUINT8, "video", "rtx", 0, NULL, 0}, /* [RFC4588] */ + {G_MAXUINT8, "video", "SMPTE292M", 0, NULL, 0}, /* [RFC3497] */ + {G_MAXUINT8, "video", "vc1", 90000, NULL, 0}, /* [RFC4425] */ + + /* not in http://www.iana.org/assignments/rtp-parameters */ + {G_MAXUINT8, "audio", "AC3", 0, NULL, 0}, + {G_MAXUINT8, "audio", "ILBC", 8000, NULL, 0}, + {G_MAXUINT8, "audio", "MPEG4-GENERIC", 0, NULL, 0}, + {G_MAXUINT8, "audio", "SPEEX", 0, NULL, 0}, + + {G_MAXUINT8, "application", "MPEG4-GENERIC", 0, NULL, 0}, + + {G_MAXUINT8, "video", "H264", 90000, NULL, 0}, + {G_MAXUINT8, "video", "MPEG4-GENERIC", 90000, NULL, 0}, + {G_MAXUINT8, "video", "THEORA", 0, NULL, 0}, + {G_MAXUINT8, "video", "VORBIS", 0, NULL, 0}, + {G_MAXUINT8, "video", "X-SV3V-ES", 90000, NULL, 0}, + {G_MAXUINT8, "video", "X-SORENSON-VIDEO", 90000, NULL, 0}, + + /* real stuff */ + {G_MAXUINT8, "video", "x-pn-realvideo", 1000, NULL, 0}, + {G_MAXUINT8, "audio", "x-pn-realaudio", 1000, NULL, 0}, + {G_MAXUINT8, "application", "x-pn-realmedia", 1000, NULL, 0}, + + /* terminator */ + {G_MAXUINT8, NULL, NULL, 0, NULL, 0} +}; + +/** + * gst_rtp_payload_info_for_pt: + * @payload_type: the payload_type to find + * + * Get the #GstRTPPayloadInfo for @payload_type. This function is + * mostly used to get the default clock-rate and bandwidth for static payload + * types specified with @payload_type. + * + * Returns: a #GstRTPPayloadInfo or NULL when no info could be found. + */ +#ifdef __SYMBIAN32__ +EXPORT_C +#endif + +const GstRTPPayloadInfo * +gst_rtp_payload_info_for_pt (guint8 payload_type) +{ + const GstRTPPayloadInfo *result = NULL; + gint i; + + for (i = 0; info[i].media; i++) { + if (info[i].payload_type == payload_type) { + result = &info[i]; + break; + } + } + return result; +} + +/** + * gst_rtp_payload_info_for_name: + * @media: the media to find + * @encoding_name: the encoding name to find + * + * Get the #GstRTPPayloadInfo for @media and @encoding_name. This function is + * mostly used to get the default clock-rate and bandwidth for dynamic payload + * types specified with @media and @encoding name. + * + * The search for @encoding_name will be performed in a case insensitve way. + * + * Returns: a #GstRTPPayloadInfo or NULL when no info could be found. + */ +#ifdef __SYMBIAN32__ +EXPORT_C +#endif + +const GstRTPPayloadInfo * +gst_rtp_payload_info_for_name (const gchar * media, const gchar * encoding_name) +{ + const GstRTPPayloadInfo *result = NULL; + gint i; + + for (i = 0; info[i].media; i++) { + if (strcmp (media, info[i].media) == 0 + && g_strcasecmp (encoding_name, info[i].encoding_name) == 0) { + result = &info[i]; + break; + } + } + return result; +}