2 * Register all the formats and protocols
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 #define REGISTER_MUXER(X, x) \
30 extern AVOutputFormat ff_##x##_muxer; \
31 if (CONFIG_##X##_MUXER) \
32 av_register_output_format(&ff_##x##_muxer); \
35 #define REGISTER_DEMUXER(X, x) \
37 extern AVInputFormat ff_##x##_demuxer; \
38 if (CONFIG_##X##_DEMUXER) \
39 av_register_input_format(&ff_##x##_demuxer); \
42 #define REGISTER_MUXDEMUX(X, x) REGISTER_MUXER(X, x); REGISTER_DEMUXER(X, x)
44 #define REGISTER_PROTOCOL(X, x) \
46 extern URLProtocol ff_##x##_protocol; \
47 if (CONFIG_##X##_PROTOCOL) \
48 ffurl_register_protocol(&ff_##x##_protocol); \
51 void av_register_all(void)
53 static int initialized;
59 avcodec_register_all();
62 REGISTER_MUXER (A64, a64);
63 REGISTER_DEMUXER (AA, aa);
64 REGISTER_DEMUXER (AAC, aac);
65 REGISTER_MUXDEMUX(AC3, ac3);
66 REGISTER_DEMUXER (ACM, acm);
67 REGISTER_DEMUXER (ACT, act);
68 REGISTER_DEMUXER (ADF, adf);
69 REGISTER_DEMUXER (ADP, adp);
70 REGISTER_DEMUXER (ADS, ads);
71 REGISTER_MUXER (ADTS, adts);
72 REGISTER_MUXDEMUX(ADX, adx);
73 REGISTER_DEMUXER (AEA, aea);
74 REGISTER_DEMUXER (AFC, afc);
75 REGISTER_MUXDEMUX(AIFF, aiff);
76 REGISTER_MUXDEMUX(AMR, amr);
77 REGISTER_DEMUXER (ANM, anm);
78 REGISTER_DEMUXER (APC, apc);
79 REGISTER_DEMUXER (APE, ape);
80 REGISTER_MUXDEMUX(APNG, apng);
81 REGISTER_DEMUXER (AQTITLE, aqtitle);
82 REGISTER_MUXDEMUX(ASF, asf);
83 REGISTER_DEMUXER (ASF_O, asf_o);
84 REGISTER_MUXDEMUX(ASS, ass);
85 REGISTER_MUXDEMUX(AST, ast);
86 REGISTER_MUXER (ASF_STREAM, asf_stream);
87 REGISTER_MUXDEMUX(AU, au);
88 REGISTER_MUXDEMUX(AVI, avi);
89 REGISTER_DEMUXER (AVISYNTH, avisynth);
90 REGISTER_MUXER (AVM2, avm2);
91 REGISTER_DEMUXER (AVR, avr);
92 REGISTER_DEMUXER (AVS, avs);
93 REGISTER_DEMUXER (BETHSOFTVID, bethsoftvid);
94 REGISTER_DEMUXER (BFI, bfi);
95 REGISTER_DEMUXER (BINTEXT, bintext);
96 REGISTER_DEMUXER (BINK, bink);
97 REGISTER_MUXDEMUX(BIT, bit);
98 REGISTER_DEMUXER (BMV, bmv);
99 REGISTER_DEMUXER (BFSTM, bfstm);
100 REGISTER_DEMUXER (BRSTM, brstm);
101 REGISTER_DEMUXER (BOA, boa);
102 REGISTER_DEMUXER (C93, c93);
103 REGISTER_MUXDEMUX(CAF, caf);
104 REGISTER_MUXDEMUX(CAVSVIDEO, cavsvideo);
105 REGISTER_DEMUXER (CDG, cdg);
106 REGISTER_DEMUXER (CDXL, cdxl);
107 REGISTER_DEMUXER (CINE, cine);
108 REGISTER_DEMUXER (CONCAT, concat);
109 REGISTER_MUXER (CRC, crc);
110 REGISTER_MUXER (DASH, dash);
111 REGISTER_MUXDEMUX(DATA, data);
112 REGISTER_MUXDEMUX(DAUD, daud);
113 REGISTER_DEMUXER (DCSTR, dcstr);
114 REGISTER_DEMUXER (DFA, dfa);
115 REGISTER_MUXDEMUX(DIRAC, dirac);
116 REGISTER_MUXDEMUX(DNXHD, dnxhd);
117 REGISTER_DEMUXER (DSF, dsf);
118 REGISTER_DEMUXER (DSICIN, dsicin);
119 REGISTER_DEMUXER (DSS, dss);
120 REGISTER_MUXDEMUX(DTS, dts);
121 REGISTER_DEMUXER (DTSHD, dtshd);
122 REGISTER_MUXDEMUX(DV, dv);
123 REGISTER_DEMUXER (DVBSUB, dvbsub);
124 REGISTER_DEMUXER (DXA, dxa);
125 REGISTER_DEMUXER (EA, ea);
126 REGISTER_DEMUXER (EA_CDATA, ea_cdata);
127 REGISTER_MUXDEMUX(EAC3, eac3);
128 REGISTER_DEMUXER (EPAF, epaf);
129 REGISTER_MUXER (F4V, f4v);
130 REGISTER_MUXDEMUX(FFM, ffm);
131 REGISTER_MUXDEMUX(FFMETADATA, ffmetadata);
132 REGISTER_MUXDEMUX(FILMSTRIP, filmstrip);
133 REGISTER_MUXDEMUX(FLAC, flac);
134 REGISTER_DEMUXER (FLIC, flic);
135 REGISTER_MUXDEMUX(FLV, flv);
136 REGISTER_DEMUXER (LIVE_FLV, live_flv);
137 REGISTER_DEMUXER (FOURXM, fourxm);
138 REGISTER_MUXER (FRAMECRC, framecrc);
139 REGISTER_MUXER (FRAMEMD5, framemd5);
140 REGISTER_DEMUXER (FRM, frm);
141 REGISTER_MUXDEMUX(G722, g722);
142 REGISTER_MUXDEMUX(G723_1, g723_1);
143 REGISTER_DEMUXER (G729, g729);
144 REGISTER_DEMUXER (GENH, genh);
145 REGISTER_MUXDEMUX(GIF, gif);
146 REGISTER_DEMUXER (GSM, gsm);
147 REGISTER_MUXDEMUX(GXF, gxf);
148 REGISTER_MUXDEMUX(H261, h261);
149 REGISTER_MUXDEMUX(H263, h263);
150 REGISTER_MUXDEMUX(H264, h264);
151 REGISTER_MUXER (HDS, hds);
152 REGISTER_MUXDEMUX(HEVC, hevc);
153 REGISTER_MUXDEMUX(HLS, hls);
154 REGISTER_DEMUXER (HNM, hnm);
155 REGISTER_MUXDEMUX(ICO, ico);
156 REGISTER_DEMUXER (IDCIN, idcin);
157 REGISTER_DEMUXER (IDF, idf);
158 REGISTER_DEMUXER (IFF, iff);
159 REGISTER_MUXDEMUX(ILBC, ilbc);
160 REGISTER_MUXDEMUX(IMAGE2, image2);
161 REGISTER_MUXDEMUX(IMAGE2PIPE, image2pipe);
162 REGISTER_DEMUXER (IMAGE2_ALIAS_PIX, image2_alias_pix);
163 REGISTER_DEMUXER (IMAGE2_BRENDER_PIX, image2_brender_pix);
164 REGISTER_DEMUXER (INGENIENT, ingenient);
165 REGISTER_DEMUXER (IPMOVIE, ipmovie);
166 REGISTER_MUXER (IPOD, ipod);
167 REGISTER_MUXDEMUX(IRCAM, ircam);
168 REGISTER_MUXER (ISMV, ismv);
169 REGISTER_DEMUXER (ISS, iss);
170 REGISTER_DEMUXER (IV8, iv8);
171 REGISTER_MUXDEMUX(IVF, ivf);
172 REGISTER_MUXDEMUX(JACOSUB, jacosub);
173 REGISTER_DEMUXER (JV, jv);
174 REGISTER_MUXER (LATM, latm);
175 REGISTER_DEMUXER (LMLM4, lmlm4);
176 REGISTER_DEMUXER (LOAS, loas);
177 REGISTER_MUXDEMUX(LRC, lrc);
178 REGISTER_DEMUXER (LVF, lvf);
179 REGISTER_DEMUXER (LXF, lxf);
180 REGISTER_MUXDEMUX(M4V, m4v);
181 REGISTER_MUXER (MD5, md5);
182 REGISTER_MUXDEMUX(MATROSKA, matroska);
183 REGISTER_MUXER (MATROSKA_AUDIO, matroska_audio);
184 REGISTER_DEMUXER (MGSTS, mgsts);
185 REGISTER_MUXDEMUX(MICRODVD, microdvd);
186 REGISTER_MUXDEMUX(MJPEG, mjpeg);
187 REGISTER_MUXDEMUX(MLP, mlp);
188 REGISTER_DEMUXER (MLV, mlv);
189 REGISTER_DEMUXER (MM, mm);
190 REGISTER_MUXDEMUX(MMF, mmf);
191 REGISTER_MUXDEMUX(MOV, mov);
192 REGISTER_MUXER (MP2, mp2);
193 REGISTER_MUXDEMUX(MP3, mp3);
194 REGISTER_MUXER (MP4, mp4);
195 REGISTER_DEMUXER (MPC, mpc);
196 REGISTER_DEMUXER (MPC8, mpc8);
197 REGISTER_MUXER (MPEG1SYSTEM, mpeg1system);
198 REGISTER_MUXER (MPEG1VCD, mpeg1vcd);
199 REGISTER_MUXER (MPEG1VIDEO, mpeg1video);
200 REGISTER_MUXER (MPEG2DVD, mpeg2dvd);
201 REGISTER_MUXER (MPEG2SVCD, mpeg2svcd);
202 REGISTER_MUXER (MPEG2VIDEO, mpeg2video);
203 REGISTER_MUXER (MPEG2VOB, mpeg2vob);
204 REGISTER_DEMUXER (MPEGPS, mpegps);
205 REGISTER_MUXDEMUX(MPEGTS, mpegts);
206 REGISTER_DEMUXER (MPEGTSRAW, mpegtsraw);
207 REGISTER_DEMUXER (MPEGVIDEO, mpegvideo);
208 REGISTER_MUXDEMUX(MPJPEG, mpjpeg);
209 REGISTER_DEMUXER (MPL2, mpl2);
210 REGISTER_DEMUXER (MPSUB, mpsub);
211 REGISTER_DEMUXER (MSF, msf);
212 REGISTER_DEMUXER (MSNWC_TCP, msnwc_tcp);
213 REGISTER_DEMUXER (MTV, mtv);
214 REGISTER_DEMUXER (MV, mv);
215 REGISTER_DEMUXER (MVI, mvi);
216 REGISTER_MUXDEMUX(MXF, mxf);
217 REGISTER_MUXER (MXF_D10, mxf_d10);
218 REGISTER_MUXER (MXF_OPATOM, mxf_opatom);
219 REGISTER_DEMUXER (MXG, mxg);
220 REGISTER_DEMUXER (NC, nc);
221 REGISTER_DEMUXER (NISTSPHERE, nistsphere);
222 REGISTER_DEMUXER (NSV, nsv);
223 REGISTER_MUXER (NULL, null);
224 REGISTER_MUXDEMUX(NUT, nut);
225 REGISTER_DEMUXER (NUV, nuv);
226 REGISTER_MUXER (OGA, oga);
227 REGISTER_MUXDEMUX(OGG, ogg);
228 REGISTER_MUXDEMUX(OMA, oma);
229 REGISTER_MUXER (OPUS, opus);
230 REGISTER_DEMUXER (PAF, paf);
231 REGISTER_MUXDEMUX(PCM_ALAW, pcm_alaw);
232 REGISTER_MUXDEMUX(PCM_MULAW, pcm_mulaw);
233 REGISTER_MUXDEMUX(PCM_F64BE, pcm_f64be);
234 REGISTER_MUXDEMUX(PCM_F64LE, pcm_f64le);
235 REGISTER_MUXDEMUX(PCM_F32BE, pcm_f32be);
236 REGISTER_MUXDEMUX(PCM_F32LE, pcm_f32le);
237 REGISTER_MUXDEMUX(PCM_S32BE, pcm_s32be);
238 REGISTER_MUXDEMUX(PCM_S32LE, pcm_s32le);
239 REGISTER_MUXDEMUX(PCM_S24BE, pcm_s24be);
240 REGISTER_MUXDEMUX(PCM_S24LE, pcm_s24le);
241 REGISTER_MUXDEMUX(PCM_S16BE, pcm_s16be);
242 REGISTER_MUXDEMUX(PCM_S16LE, pcm_s16le);
243 REGISTER_MUXDEMUX(PCM_S8, pcm_s8);
244 REGISTER_MUXDEMUX(PCM_U32BE, pcm_u32be);
245 REGISTER_MUXDEMUX(PCM_U32LE, pcm_u32le);
246 REGISTER_MUXDEMUX(PCM_U24BE, pcm_u24be);
247 REGISTER_MUXDEMUX(PCM_U24LE, pcm_u24le);
248 REGISTER_MUXDEMUX(PCM_U16BE, pcm_u16be);
249 REGISTER_MUXDEMUX(PCM_U16LE, pcm_u16le);
250 REGISTER_MUXDEMUX(PCM_U8, pcm_u8);
251 REGISTER_DEMUXER (PJS, pjs);
252 REGISTER_DEMUXER (PMP, pmp);
253 REGISTER_MUXER (PSP, psp);
254 REGISTER_DEMUXER (PVA, pva);
255 REGISTER_DEMUXER (PVF, pvf);
256 REGISTER_DEMUXER (QCP, qcp);
257 REGISTER_DEMUXER (R3D, r3d);
258 REGISTER_MUXDEMUX(RAWVIDEO, rawvideo);
259 REGISTER_DEMUXER (REALTEXT, realtext);
260 REGISTER_DEMUXER (REDSPARK, redspark);
261 REGISTER_DEMUXER (RL2, rl2);
262 REGISTER_MUXDEMUX(RM, rm);
263 REGISTER_MUXDEMUX(ROQ, roq);
264 REGISTER_DEMUXER (RPL, rpl);
265 REGISTER_DEMUXER (RSD, rsd);
266 REGISTER_MUXDEMUX(RSO, rso);
267 REGISTER_MUXDEMUX(RTP, rtp);
268 REGISTER_MUXER (RTP_MPEGTS, rtp_mpegts);
269 REGISTER_MUXDEMUX(RTSP, rtsp);
270 REGISTER_DEMUXER (SAMI, sami);
271 REGISTER_MUXDEMUX(SAP, sap);
272 REGISTER_DEMUXER (SBG, sbg);
273 REGISTER_DEMUXER (SDP, sdp);
274 REGISTER_DEMUXER (SDR2, sdr2);
276 ff_register_rtp_dynamic_payload_handlers();
277 ff_register_rdt_dynamic_payload_handlers();
279 REGISTER_DEMUXER (SEGAFILM, segafilm);
280 REGISTER_MUXER (SEGMENT, segment);
281 REGISTER_MUXER (SEGMENT, stream_segment);
282 REGISTER_DEMUXER (SHORTEN, shorten);
283 REGISTER_DEMUXER (SIFF, siff);
284 REGISTER_MUXER (SINGLEJPEG, singlejpeg);
285 REGISTER_DEMUXER (SLN, sln);
286 REGISTER_DEMUXER (SMACKER, smacker);
287 REGISTER_MUXDEMUX(SMJPEG, smjpeg);
288 REGISTER_MUXER (SMOOTHSTREAMING, smoothstreaming);
289 REGISTER_DEMUXER (SMUSH, smush);
290 REGISTER_DEMUXER (SOL, sol);
291 REGISTER_MUXDEMUX(SOX, sox);
292 REGISTER_MUXER (SPX, spx);
293 REGISTER_MUXDEMUX(SPDIF, spdif);
294 REGISTER_MUXDEMUX(SRT, srt);
295 REGISTER_DEMUXER (STR, str);
296 REGISTER_DEMUXER (STL, stl);
297 REGISTER_DEMUXER (SUBVIEWER1, subviewer1);
298 REGISTER_DEMUXER (SUBVIEWER, subviewer);
299 REGISTER_DEMUXER (SUP, sup);
300 REGISTER_DEMUXER (SVAG, svag);
301 REGISTER_MUXDEMUX(SWF, swf);
302 REGISTER_DEMUXER (TAK, tak);
303 REGISTER_MUXER (TEE, tee);
304 REGISTER_DEMUXER (TEDCAPTIONS, tedcaptions);
305 REGISTER_MUXER (TG2, tg2);
306 REGISTER_MUXER (TGP, tgp);
307 REGISTER_DEMUXER (THP, thp);
308 REGISTER_DEMUXER (THREEDOSTR, threedostr);
309 REGISTER_DEMUXER (TIERTEXSEQ, tiertexseq);
310 REGISTER_MUXER (MKVTIMESTAMP_V2, mkvtimestamp_v2);
311 REGISTER_DEMUXER (TMV, tmv);
312 REGISTER_MUXDEMUX(TRUEHD, truehd);
313 REGISTER_DEMUXER (TTA, tta);
314 REGISTER_DEMUXER (TXD, txd);
315 REGISTER_DEMUXER (TTY, tty);
316 REGISTER_MUXER (UNCODEDFRAMECRC, uncodedframecrc);
317 REGISTER_DEMUXER (VAG, vag);
318 REGISTER_MUXDEMUX(VC1, vc1);
319 REGISTER_MUXDEMUX(VC1T, vc1t);
320 REGISTER_DEMUXER (VIVO, vivo);
321 REGISTER_DEMUXER (VMD, vmd);
322 REGISTER_DEMUXER (VOBSUB, vobsub);
323 REGISTER_MUXDEMUX(VOC, voc);
324 REGISTER_DEMUXER (VPLAYER, vplayer);
325 REGISTER_DEMUXER (VQF, vqf);
326 REGISTER_MUXDEMUX(W64, w64);
327 REGISTER_MUXDEMUX(WAV, wav);
328 REGISTER_DEMUXER (WC3, wc3);
329 REGISTER_MUXER (WEBM, webm);
330 REGISTER_MUXDEMUX(WEBM_DASH_MANIFEST, webm_dash_manifest);
331 REGISTER_MUXER (WEBM_CHUNK, webm_chunk);
332 REGISTER_MUXER (WEBP, webp);
333 REGISTER_MUXDEMUX(WEBVTT, webvtt);
334 REGISTER_DEMUXER (WSAUD, wsaud);
335 REGISTER_DEMUXER (WSVQA, wsvqa);
336 REGISTER_MUXDEMUX(WTV, wtv);
337 REGISTER_DEMUXER (WVE, wve);
338 REGISTER_MUXDEMUX(WV, wv);
339 REGISTER_DEMUXER (XA, xa);
340 REGISTER_DEMUXER (XBIN, xbin);
341 REGISTER_DEMUXER (XMV, xmv);
342 REGISTER_DEMUXER (XVAG, xvag);
343 REGISTER_DEMUXER (XWMA, xwma);
344 REGISTER_DEMUXER (YOP, yop);
345 REGISTER_MUXDEMUX(YUV4MPEGPIPE, yuv4mpegpipe);
348 REGISTER_DEMUXER (IMAGE_BMP_PIPE, image_bmp_pipe);
349 REGISTER_DEMUXER (IMAGE_DDS_PIPE, image_dds_pipe);
350 REGISTER_DEMUXER (IMAGE_DPX_PIPE, image_dpx_pipe);
351 REGISTER_DEMUXER (IMAGE_EXR_PIPE, image_exr_pipe);
352 REGISTER_DEMUXER (IMAGE_J2K_PIPE, image_j2k_pipe);
353 REGISTER_DEMUXER (IMAGE_JPEG_PIPE, image_jpeg_pipe);
354 REGISTER_DEMUXER (IMAGE_JPEGLS_PIPE, image_jpegls_pipe);
355 REGISTER_DEMUXER (IMAGE_PICTOR_PIPE, image_pictor_pipe);
356 REGISTER_DEMUXER (IMAGE_PNG_PIPE, image_png_pipe);
357 REGISTER_DEMUXER (IMAGE_QDRAW_PIPE, image_qdraw_pipe);
358 REGISTER_DEMUXER (IMAGE_SGI_PIPE, image_sgi_pipe);
359 REGISTER_DEMUXER (IMAGE_SUNRAST_PIPE, image_sunrast_pipe);
360 REGISTER_DEMUXER (IMAGE_TIFF_PIPE, image_tiff_pipe);
361 REGISTER_DEMUXER (IMAGE_WEBP_PIPE, image_webp_pipe);
365 REGISTER_PROTOCOL(ASYNC, async);
366 REGISTER_PROTOCOL(BLURAY, bluray);
367 REGISTER_PROTOCOL(CACHE, cache);
368 REGISTER_PROTOCOL(CONCAT, concat);
369 REGISTER_PROTOCOL(CRYPTO, crypto);
370 REGISTER_PROTOCOL(DATA, data);
371 REGISTER_PROTOCOL(FFRTMPCRYPT, ffrtmpcrypt);
372 REGISTER_PROTOCOL(FFRTMPHTTP, ffrtmphttp);
373 REGISTER_PROTOCOL(FILE, file);
374 REGISTER_PROTOCOL(FTP, ftp);
375 REGISTER_PROTOCOL(GOPHER, gopher);
376 REGISTER_PROTOCOL(HLS, hls);
377 REGISTER_PROTOCOL(HTTP, http);
378 REGISTER_PROTOCOL(HTTPPROXY, httpproxy);
379 REGISTER_PROTOCOL(HTTPS, https);
380 REGISTER_PROTOCOL(ICECAST, icecast);
381 REGISTER_PROTOCOL(MMSH, mmsh);
382 REGISTER_PROTOCOL(MMST, mmst);
383 REGISTER_PROTOCOL(MD5, md5);
384 REGISTER_PROTOCOL(PIPE, pipe);
385 REGISTER_PROTOCOL(RTMP, rtmp);
386 REGISTER_PROTOCOL(RTMPE, rtmpe);
387 REGISTER_PROTOCOL(RTMPS, rtmps);
388 REGISTER_PROTOCOL(RTMPT, rtmpt);
389 REGISTER_PROTOCOL(RTMPTE, rtmpte);
390 REGISTER_PROTOCOL(RTMPTS, rtmpts);
391 REGISTER_PROTOCOL(RTP, rtp);
392 REGISTER_PROTOCOL(SCTP, sctp);
393 REGISTER_PROTOCOL(SRTP, srtp);
394 REGISTER_PROTOCOL(SUBFILE, subfile);
395 REGISTER_PROTOCOL(TCP, tcp);
396 REGISTER_PROTOCOL(TLS_SECURETRANSPORT, tls_securetransport);
397 REGISTER_PROTOCOL(TLS_GNUTLS, tls_gnutls);
398 REGISTER_PROTOCOL(TLS_OPENSSL, tls_openssl);
399 REGISTER_PROTOCOL(UDP, udp);
400 REGISTER_PROTOCOL(UDPLITE, udplite);
401 REGISTER_PROTOCOL(UNIX, unix);
403 /* external libraries */
404 REGISTER_MUXER (CHROMAPRINT, chromaprint);
405 REGISTER_DEMUXER (LIBGME, libgme);
406 REGISTER_DEMUXER (LIBMODPLUG, libmodplug);
407 REGISTER_MUXDEMUX(LIBNUT, libnut);
408 REGISTER_DEMUXER (LIBQUVI, libquvi);
409 REGISTER_PROTOCOL(LIBRTMP, librtmp);
410 REGISTER_PROTOCOL(LIBRTMPE, librtmpe);
411 REGISTER_PROTOCOL(LIBRTMPS, librtmps);
412 REGISTER_PROTOCOL(LIBRTMPT, librtmpt);
413 REGISTER_PROTOCOL(LIBRTMPTE, librtmpte);
414 REGISTER_PROTOCOL(LIBSSH, libssh);
415 REGISTER_PROTOCOL(LIBSMBCLIENT, libsmbclient);