00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021 #include "avformat.h"
00022 #include "bitstream.h"
00023
00024 #include <unistd.h>
00025 #include "network.h"
00026
00027 #include "rtp_internal.h"
00028
00029
00030
00031
00032 static const struct
00033 {
00034 int pt;
00035 const char enc_name[50];
00036 enum CodecType codec_type;
00037 enum CodecID codec_id;
00038 int clock_rate;
00039 int audio_channels;
00040 } AVRtpPayloadTypes[]=
00041 {
00042 {0, "PCMU", CODEC_TYPE_AUDIO, CODEC_ID_PCM_MULAW, 8000, 1},
00043 {1, "Reserved", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00044 {2, "Reserved", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00045 {3, "GSM", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00046 {4, "G723", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00047 {5, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00048 {6, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 16000, 1},
00049 {7, "LPC", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00050 {8, "PCMA", CODEC_TYPE_AUDIO, CODEC_ID_PCM_ALAW, 8000, 1},
00051 {9, "G722", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00052 {10, "L16", CODEC_TYPE_AUDIO, CODEC_ID_PCM_S16BE, 44100, 2},
00053 {11, "L16", CODEC_TYPE_AUDIO, CODEC_ID_PCM_S16BE, 44100, 1},
00054 {12, "QCELP", CODEC_TYPE_AUDIO, CODEC_ID_QCELP, 8000, 1},
00055 {13, "CN", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00056 {14, "MPA", CODEC_TYPE_AUDIO, CODEC_ID_MP2, 90000, -1},
00057 {15, "G728", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00058 {16, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 11025, 1},
00059 {17, "DVI4", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 22050, 1},
00060 {18, "G729", CODEC_TYPE_AUDIO, CODEC_ID_NONE, 8000, 1},
00061 {19, "reserved", CODEC_TYPE_AUDIO, CODEC_ID_NONE, -1, -1},
00062 {20, "unassigned", CODEC_TYPE_AUDIO, CODEC_ID_NONE, -1, -1},
00063 {21, "unassigned", CODEC_TYPE_AUDIO, CODEC_ID_NONE, -1, -1},
00064 {22, "unassigned", CODEC_TYPE_AUDIO, CODEC_ID_NONE, -1, -1},
00065 {23, "unassigned", CODEC_TYPE_AUDIO, CODEC_ID_NONE, -1, -1},
00066 {24, "unassigned", CODEC_TYPE_VIDEO, CODEC_ID_NONE, -1, -1},
00067 {25, "CelB", CODEC_TYPE_VIDEO, CODEC_ID_NONE, 90000, -1},
00068 {26, "JPEG", CODEC_TYPE_VIDEO, CODEC_ID_MJPEG, 90000, -1},
00069 {27, "unassigned", CODEC_TYPE_VIDEO, CODEC_ID_NONE, -1, -1},
00070 {28, "nv", CODEC_TYPE_VIDEO, CODEC_ID_NONE, 90000, -1},
00071 {29, "unassigned", CODEC_TYPE_VIDEO, CODEC_ID_NONE, -1, -1},
00072 {30, "unassigned", CODEC_TYPE_VIDEO, CODEC_ID_NONE, -1, -1},
00073 {31, "H261", CODEC_TYPE_VIDEO, CODEC_ID_H261, 90000, -1},
00074 {32, "MPV", CODEC_TYPE_VIDEO, CODEC_ID_MPEG1VIDEO, 90000, -1},
00075 {32, "MPV", CODEC_TYPE_VIDEO, CODEC_ID_MPEG2VIDEO, 90000, -1},
00076 {33, "MP2T", CODEC_TYPE_DATA, CODEC_ID_MPEG2TS, 90000, -1},
00077 {34, "H263", CODEC_TYPE_VIDEO, CODEC_ID_H263, 90000, -1},
00078 {35, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00079 {36, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00080 {37, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00081 {38, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00082 {39, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00083 {40, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00084 {41, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00085 {42, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00086 {43, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00087 {44, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00088 {45, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00089 {46, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00090 {47, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00091 {48, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00092 {49, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00093 {50, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00094 {51, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00095 {52, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00096 {53, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00097 {54, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00098 {55, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00099 {56, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00100 {57, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00101 {58, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00102 {59, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00103 {60, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00104 {61, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00105 {62, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00106 {63, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00107 {64, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00108 {65, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00109 {66, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00110 {67, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00111 {68, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00112 {69, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00113 {70, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00114 {71, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00115 {72, "reserved for RTCP conflict avoidance", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00116 {73, "reserved for RTCP conflict avoidance", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00117 {74, "reserved for RTCP conflict avoidance", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00118 {75, "reserved for RTCP conflict avoidance", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00119 {76, "reserved for RTCP conflict avoidance", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00120 {77, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00121 {78, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00122 {79, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00123 {80, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00124 {81, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00125 {82, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00126 {83, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00127 {84, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00128 {85, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00129 {86, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00130 {87, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00131 {88, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00132 {89, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00133 {90, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00134 {91, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00135 {92, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00136 {93, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00137 {94, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00138 {95, "unassigned", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00139 {96, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00140 {97, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00141 {98, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00142 {99, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00143 {100, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00144 {101, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00145 {102, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00146 {103, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00147 {104, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00148 {105, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00149 {106, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00150 {107, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00151 {108, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00152 {109, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00153 {110, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00154 {111, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00155 {112, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00156 {113, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00157 {114, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00158 {115, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00159 {116, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00160 {117, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00161 {118, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00162 {119, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00163 {120, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00164 {121, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00165 {122, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00166 {123, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00167 {124, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00168 {125, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00169 {126, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00170 {127, "dynamic", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1},
00171 {-1, "", CODEC_TYPE_UNKNOWN, CODEC_ID_NONE, -1, -1}
00172 };
00173
00174 int rtp_get_codec_info(AVCodecContext *codec, int payload_type)
00175 {
00176 int i = 0;
00177
00178 for (i = 0; AVRtpPayloadTypes[i].pt >= 0; i++)
00179 if (AVRtpPayloadTypes[i].pt == payload_type) {
00180 if (AVRtpPayloadTypes[i].codec_id != CODEC_ID_NONE) {
00181 codec->codec_type = AVRtpPayloadTypes[i].codec_type;
00182 codec->codec_id = AVRtpPayloadTypes[i].codec_id;
00183 if (AVRtpPayloadTypes[i].audio_channels > 0)
00184 codec->channels = AVRtpPayloadTypes[i].audio_channels;
00185 if (AVRtpPayloadTypes[i].clock_rate > 0)
00186 codec->sample_rate = AVRtpPayloadTypes[i].clock_rate;
00187 return 0;
00188 }
00189 }
00190 return -1;
00191 }
00192
00193 int rtp_get_payload_type(AVCodecContext *codec)
00194 {
00195 int i, payload_type;
00196
00197
00198 for (payload_type = -1, i = 0; AVRtpPayloadTypes[i].pt >= 0; ++i)
00199 if (AVRtpPayloadTypes[i].codec_id == codec->codec_id) {
00200 if (codec->codec_id == CODEC_ID_PCM_S16BE)
00201 if (codec->channels != AVRtpPayloadTypes[i].audio_channels)
00202 continue;
00203 payload_type = AVRtpPayloadTypes[i].pt;
00204 }
00205 return payload_type;
00206 }
00207
00208 const char *ff_rtp_enc_name(int payload_type)
00209 {
00210 int i;
00211
00212 for (i = 0; AVRtpPayloadTypes[i].pt >= 0; i++)
00213 if (AVRtpPayloadTypes[i].pt == payload_type) {
00214 return AVRtpPayloadTypes[i].enc_name;
00215 }
00216
00217 return "";
00218 }
00219
00220 enum CodecID ff_rtp_codec_id(const char *buf, enum CodecType codec_type)
00221 {
00222 int i;
00223
00224 for (i = 0; AVRtpPayloadTypes[i].pt >= 0; i++)
00225 if (!strcmp(buf, AVRtpPayloadTypes[i].enc_name) && (codec_type == AVRtpPayloadTypes[i].codec_type)){
00226 return AVRtpPayloadTypes[i].codec_id;
00227 }
00228
00229 return CODEC_ID_NONE;
00230 }