1 /* GStreamer Plugins Base utils library source/sink/codec description support
2 * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
21 * SECTION:gstpbutilsdescriptions
22 * @title: Descriptions
23 * @short_description: Provides human-readable descriptions for caps/codecs
24 * and encoder, decoder, URI source and URI sink elements
26 * The above functions provide human-readable strings for media formats
27 * and decoder/demuxer/depayloader/encoder/muxer/payloader elements for use
28 * in error dialogs or other messages shown to users.
30 * gst_pb_utils_add_codec_description_to_tag_list() is a utility function
31 * for demuxer and decoder elements to add audio/video codec tags from a
32 * given (fixed) #GstCaps.
40 #include "gst/gst-i18n-plugin.h"
42 #include <gst/audio/audio.h>
43 #include <gst/video/video.h>
46 #include "pbutils-private.h"
52 FLAG_SYSTEMSTREAM = (1 << 0), /* match record only if caps have systemstream=true */
53 FLAG_CONTAINER = (1 << 1), /* format is a container format (muxed) */
54 FLAG_AUDIO = (1 << 2), /* format is an audio format, or audio container/tag */
55 FLAG_VIDEO = (1 << 3), /* format is a video format, or video container/tag */
56 FLAG_IMAGE = (1 << 4), /* format is an image format, or image container/tag */
57 FLAG_SUB = (1 << 5), /* format is a subtitle format, or subtitle container */
58 FLAG_TAG = (1 << 6), /* format is a tag/container */
59 FLAG_GENERIC = (1 << 7) /* format is a generic container (e.g. multipart) */
67 gchar ext[5]; /* file extension */
70 #define AV_CONTAINER (FLAG_CONTAINER | FLAG_AUDIO | FLAG_VIDEO)
71 #define AVS_CONTAINER (AV_CONTAINER | FLAG_SUB)
72 #define AVI_CONTAINER (AV_CONTAINER | FLAG_IMAGE)
73 #define AVIS_CONTAINER (AV_CONTAINER | FLAG_IMAGE | FLAG_SUB)
74 #define AUDIO_CONTAINER (FLAG_CONTAINER | FLAG_AUDIO)
75 #define VIDEO_CONTAINER (FLAG_CONTAINER | FLAG_VIDEO)
76 #define AUDIO_TAG (AUDIO_CONTAINER | FLAG_TAG)
78 static const FormatInfo formats[] = {
79 /* container/tag formats with static descriptions */
80 /* FIXME: does anyone use oga in practice? */
81 {"audio/ogg", "Ogg", AUDIO_CONTAINER, "ogg"},
82 {"audio/webm", "WebM", AUDIO_CONTAINER, "webm"},
83 {"audio/x-matroska", "Matroska", AUDIO_CONTAINER, "mka"},
84 {"application/gxf", "General Exchange Format (GXF)", AVI_CONTAINER, "gxf"},
85 {"application/ogg", "Ogg", AVIS_CONTAINER, "ogg"},
86 {"application/kate", "Ogg", FLAG_CONTAINER | FLAG_SUB, "ogg"},
87 {"application/mxf", "Material eXchange Format (MXF)", AVIS_CONTAINER, "mxf"},
88 {"application/vnd.rn-realmedia", "Realmedia", AV_CONTAINER, "rm"},
89 {"application/x-id3", N_("ID3 tag"), AUDIO_TAG, ""},
90 {"application/x-ape", N_("APE tag"), AUDIO_TAG, ""},
91 {"application/x-apetag", N_("APE tag"), AUDIO_TAG, ""},
92 {"application/x-icy", N_("ICY internet radio"), AUDIO_TAG, ""},
93 {"application/x-3gp", "3GP", AV_CONTAINER, "3gp"},
94 {"application/x-pn-realaudio", "RealAudio", AUDIO_CONTAINER, "ra"},
95 {"application/x-yuv4mpeg", "Y4M", VIDEO_CONTAINER, "y4m"},
96 {"multipart/x-mixed-replace", "Multipart", FLAG_CONTAINER | FLAG_GENERIC, ""},
97 {"video/ogg", "Ogg", AVIS_CONTAINER, "ogv"},
98 {"video/x-fli", "FLI/FLC/FLX Animation", VIDEO_CONTAINER, "fli"},
99 {"video/x-flv", "Flash", AV_CONTAINER, "flv"},
100 {"video/x-matroska", "Matroska", AVIS_CONTAINER, "mkv"},
101 /* FIXME: does anyone use .mk3d in practice, rather than .mkv? */
102 {"video/x-matroska-3d", "Matroska", AVIS_CONTAINER, "mk3d"},
103 {"video/webm", "WebM", AVS_CONTAINER, "webm"},
104 {"video/x-ms-asf", "Advanced Streaming Format (ASF)", AVIS_CONTAINER, "asf"},
105 {"video/x-msvideo", "Audio Video Interleave (AVI)", AVIS_CONTAINER, "avi"},
106 {"video/x-quicktime", "Quicktime", AVIS_CONTAINER, "mov"},
107 {"video/quicktime", "Quicktime", AVIS_CONTAINER, "mov"},
108 {"video/mj2", "Motion JPEG 2000", AVIS_CONTAINER, "mj2"},
110 /* audio formats with static descriptions */
111 {"audio/x-ac3", "AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"},
112 {"audio/ac3", "AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"},
113 {"audio/x-private-ac3", "DVD AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"},
114 {"audio/x-private1-ac3", "DVD AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"},
115 {"audio/x-alaw", "A-Law", FLAG_AUDIO, ""},
116 {"audio/amr", "Adaptive Multi Rate (AMR)", FLAG_AUDIO, "amr"},
117 {"audio/AMR", "Adaptive Multi Rate (AMR)", FLAG_AUDIO, "amr"},
118 {"audio/AMR-WB", "Adaptive Multi Rate WideBand (AMR-WB)", FLAG_AUDIO, "amr"},
119 {"audio/iLBC-sh", "Internet Low Bitrate Codec (iLBC)", AUDIO_CONTAINER,
121 {"audio/ms-gsm", "MS GSM", FLAG_AUDIO, "gsm"},
122 {"audio/qcelp", "QCELP", FLAG_AUDIO, ""},
123 {"audio/aiff", "Audio Interchange File Format (AIFF)", AUDIO_CONTAINER,
125 {"audio/x-aiff", "Audio Interchange File Format (AIFF)", AUDIO_CONTAINER,
127 {"audio/x-alac", N_("Apple Lossless Audio (ALAC)"), FLAG_AUDIO, ""},
128 {"audio/x-amr-nb-sh", "Adaptive Multi Rate NarrowBand (AMR-NB)",
129 AUDIO_CONTAINER, "amr"},
130 {"audio/x-amr-wb-sh", "Adaptive Multi Rate WideBand (AMR-WB)",
131 AUDIO_CONTAINER, "amr"},
132 {"audio/x-au", "Sun .au", AUDIO_CONTAINER, "au"},
133 {"audio/x-audible", "Audible Audio", AUDIO_CONTAINER, "aa"},
134 {"audio/x-caf", "Apple Core Audio Format", AUDIO_CONTAINER, "caf"},
135 {"audio/x-celt", "Constrained Energy Lapped Transform (CELT)", FLAG_AUDIO,
137 {"audio/x-cinepak", "Cinepak Audio", FLAG_AUDIO, ""},
138 {"audio/x-dpcm", "DPCM", FLAG_AUDIO, ""},
139 {"audio/x-dts", "DTS", FLAG_AUDIO, "dts"},
140 {"audio/x-private1-dts", "DTS", FLAG_AUDIO, "dts"},
141 {"audio/x-dv", "DV Audio", FLAG_AUDIO, ""},
142 {"audio/x-eac3", "E-AC-3 (ATSC A/52B)", FLAG_AUDIO, "eac3"},
143 {"audio/x-flac", N_("Free Lossless Audio Codec (FLAC)"), FLAG_AUDIO, "flac"},
144 {"audio/x-gsm", "GSM", FLAG_AUDIO, "gsm"},
145 {"audio/x-iec958", "S/PDIF IEC958", 0, ""}, /* TODO: check description */
146 {"audio/x-iLBC", "Internet Low Bitrate Codec (iLBC)", FLAG_AUDIO, "ilbc"},
147 {"audio/x-ircam", "Berkeley/IRCAM/CARL", FLAG_AUDIO, ""},
148 {"audio/x-lpcm", "LPCM", FLAG_AUDIO, ""},
149 {"audio/x-private1-lpcm", "DVD LPCM", FLAG_AUDIO, ""},
150 {"audio/x-m4a", "MPEG-4 AAC", FLAG_CONTAINER, "m4a"},
151 {"audio/x-mod", "Module Music Format (MOD)", FLAG_AUDIO, "mod"},
152 {"audio/x-mulaw", "Mu-Law", FLAG_AUDIO, ""},
153 {"audio/x-musepack", "Musepack (MPC)", FLAG_AUDIO, "mpc"},
154 {"audio/x-nellymoser", "Nellymoser Asao", FLAG_AUDIO, ""},
155 {"audio/x-nist", "Sphere NIST", FLAG_AUDIO, ""},
156 {"audio/x-nsf", "Nintendo NSF", FLAG_AUDIO, ""},
157 {"audio/x-opus", "Opus", FLAG_AUDIO, ""},
158 {"audio/x-paris", "Ensoniq PARIS", FLAG_AUDIO, ""},
159 {"audio/x-qdm", "QDesign Music (QDM)", FLAG_AUDIO, ""},
160 {"audio/x-qdm2", "QDesign Music (QDM) 2", FLAG_AUDIO, ""},
161 {"audio/x-ralf-mpeg4-generic", "Real Audio Lossless (RALF)", FLAG_AUDIO, ""},
162 {"audio/x-rf64", "Broadcast Wave Format", AUDIO_CONTAINER, "rf64"},
163 {"audio/x-sbc", "Low Complexity Subband Coding", FLAG_AUDIO, "sbc"},
164 {"audio/x-sds", "Midi Sample Dump Standard", FLAG_AUDIO, ""},
165 {"audio/x-shorten", "Shorten Lossless", FLAG_AUDIO, "shn"},
166 {"audio/x-sid", "Sid", FLAG_AUDIO, "sid"},
167 {"audio/x-sipro", "Sipro/ACELP.NET Voice", FLAG_AUDIO, ""},
168 {"audio/x-siren", "Siren", FLAG_AUDIO, ""},
169 {"audio/x-spc", "SNES-SPC700 Sound File Data", FLAG_AUDIO, "spc"},
170 {"audio/x-speex", "Speex", FLAG_AUDIO, ""},
171 {"audio/x-svx", "Amiga IFF / SVX8 / SV16", FLAG_AUDIO, ""},
172 {"audio/x-true-hd", "Dolby TrueHD", FLAG_AUDIO, ""},
173 {"audio/x-tta", N_("Lossless True Audio (TTA)"), FLAG_AUDIO, "tta"},
174 {"audio/x-ttafile", N_("Lossless True Audio (TTA)"), FLAG_AUDIO, "tta"},
175 {"audio/x-vnd.sony.atrac3", "Sony ATRAC3", FLAG_AUDIO, ""},
176 {"audio/x-vorbis", "Vorbis", FLAG_AUDIO, ""},
177 {"audio/x-voc", "SoundBlaster VOC", FLAG_AUDIO, ""},
178 {"audio/x-w64", "Sonic Foundry Wave64", AUDIO_CONTAINER, "w64"},
179 {"audio/x-wav", "WAV", AUDIO_CONTAINER, "wav"},
180 {"audio/x-wavpack", "Wavpack", FLAG_AUDIO, "wp"},
181 {"audio/x-wavpack-correction", "Wavpack", 0, "wpc"},
182 {"audio/x-wms", N_("Windows Media Speech"), FLAG_AUDIO, ""},
183 {"audio/x-voxware", "Voxware", FLAG_AUDIO, ""},
184 {"audio/x-xi", "Fasttracker 2 Extended Instrument", FLAG_AUDIO, "xi"},
187 /* video formats with static descriptions */
188 {"video/sp5x", "Sunplus JPEG 5.x", FLAG_VIDEO, ""},
189 {"video/vivo", "Vivo", FLAG_VIDEO, ""},
190 {"video/x-4xm", "4X Technologies Video", FLAG_VIDEO, ""},
191 {"video/x-apple-video", "Apple video", FLAG_VIDEO, ""},
192 {"video/x-aasc", "Autodesk Animator", FLAG_VIDEO, ""},
193 {"video/x-av1", "AV1", FLAG_VIDEO, ""},
194 {"video/x-camtasia", "TechSmith Camtasia", FLAG_VIDEO, ""},
195 {"video/x-cavs", "Chinese AVS (CAVS)", FLAG_VIDEO, ""},
196 {"video/x-cdxa", "RIFF/CDXA (VCD)", AV_CONTAINER, ""},
197 {"video/x-cineform", "CineForm", FLAG_VIDEO, ""},
198 {"video/x-cinepak", "Cinepak Video", FLAG_VIDEO, ""},
199 {"video/x-cirrus-logic-accupak", "Cirrus Logipak AccuPak", FLAG_VIDEO, ""},
200 {"video/x-compressed-yuv", N_("CYUV Lossless"), FLAG_VIDEO, ""},
201 {"video/x-dnxhd", "Digital Nonlinear Extensible High Definition (DNxHD)",
203 {"subpicture/x-dvd", "DVD subpicture", FLAG_VIDEO, ""},
204 {"video/x-ffv", N_("FFMpeg v1"), FLAG_VIDEO, ""},
205 {"video/x-flash-screen", "Flash Screen Video", FLAG_VIDEO, ""},
206 {"video/x-flash-video", "Sorenson Spark Video", FLAG_VIDEO, ""},
207 {"video/x-h261", "H.261", FLAG_VIDEO, ""},
208 {"video/x-huffyuv", "Huffyuv", FLAG_VIDEO, ""},
209 {"video/x-intel-h263", "Intel H.263", FLAG_VIDEO, ""},
210 {"video/x-jpeg", "Motion JPEG", FLAG_VIDEO, ""},
211 /* { "video/x-jpeg-b", "", 0 }, does this actually exist? */
212 {"video/x-loco", "LOCO Lossless", FLAG_VIDEO, ""},
213 {"video/x-mimic", "MIMIC", FLAG_VIDEO, ""},
214 {"video/x-mjpeg", "Motion-JPEG", FLAG_VIDEO, ""},
215 {"video/x-mjpeg-b", "Motion-JPEG format B", FLAG_VIDEO, ""},
216 {"video/mpegts", "MPEG-2 Transport Stream", AVS_CONTAINER, "ts"},
217 {"video/x-mng", "Multiple Image Network Graphics (MNG)", FLAG_VIDEO, ""},
218 {"video/x-mszh", N_("Lossless MSZH"), FLAG_VIDEO, ""},
219 {"video/x-msvideocodec", "Microsoft Video 1", FLAG_VIDEO, ""},
220 {"video/x-mve", "Interplay MVE", AV_CONTAINER, "mve"},
221 {"video/x-nut", "NUT", AV_CONTAINER, "nut"},
222 {"video/x-nuv", "MythTV NuppelVideo (NUV)", AV_CONTAINER, "nuv"},
223 {"video/x-prores", "Apple ProRes", FLAG_VIDEO, ""},
224 {"video/x-qdrw", "Apple QuickDraw", FLAG_VIDEO, ""},
225 {"video/x-smc", "Apple SMC", FLAG_VIDEO, ""},
226 {"video/x-smoke", "Smoke", FLAG_VIDEO, ""},
227 {"video/x-tarkin", "Tarkin", FLAG_VIDEO, ""},
228 {"video/x-theora", "Theora", FLAG_VIDEO, ""},
229 {"video/x-rle", N_("Run-length encoding"), FLAG_VIDEO, ""},
230 {"video/x-ultimotion", "IBM UltiMotion", FLAG_VIDEO, ""},
231 {"video/x-vcd", "VideoCD (VCD)", 0},
232 {"video/x-vmnc", "VMWare NC", FLAG_VIDEO, ""},
233 {"video/x-vp3", "On2 VP3", FLAG_VIDEO, ""},
234 {"video/x-vp5", "On2 VP5", FLAG_VIDEO, ""},
235 {"video/x-vp6", "On2 VP6", FLAG_VIDEO, ""},
236 {"video/x-vp6-flash", "On2 VP6/Flash", FLAG_VIDEO, ""},
237 {"video/x-vp6-alpha", "On2 VP6 with alpha", FLAG_VIDEO, ""},
238 {"video/x-vp7", "On2 VP7", FLAG_VIDEO, ""},
239 {"video/x-vp8", "VP8", FLAG_VIDEO, ""},
240 {"video/x-vp9", "VP9", FLAG_VIDEO, ""},
241 {"video/x-zlib", "Lossless zlib video", FLAG_VIDEO, ""},
242 {"video/x-zmbv", "Zip Motion Block video", FLAG_VIDEO, ""},
244 /* image formats with static descriptions */
245 {"image/bmp", "BMP", FLAG_IMAGE, "bmp"},
246 {"image/x-bmp", "BMP", FLAG_IMAGE, "bmp"},
247 {"image/x-MS-bmp", "BMP", FLAG_IMAGE, "bmp"},
248 {"image/gif", "GIF", FLAG_IMAGE, "gif"},
249 {"image/jpeg", "JPEG", FLAG_IMAGE | FLAG_VIDEO, "jpg"},
250 {"image/jng", "JPEG Network Graphics (JNG)", FLAG_IMAGE, ""},
251 {"image/png", "PNG", FLAG_VIDEO | FLAG_IMAGE, "png"},
252 {"image/pbm", "Portable BitMap (PBM)", FLAG_IMAGE, "pbm"},
253 {"image/ppm", "Portable PixMap (PPM)", FLAG_IMAGE, "ppm"},
254 {"image/svg+xml", "Scalable Vector Graphics (SVG)", FLAG_IMAGE, "svg"},
255 {"image/tiff", "TIFF", FLAG_IMAGE, "tiff"},
256 {"image/x-cmu-raster", "CMU Raster Format", FLAG_IMAGE, ""},
257 {"image/x-degas", "DEGAS", FLAG_IMAGE, ""},
258 {"image/x-icon", "ICO", FLAG_IMAGE, "ico"},
259 {"image/x-j2c", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""},
260 {"image/x-jpc", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""},
261 {"image/jp2", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""},
262 {"image/x-pcx", "PCX", FLAG_IMAGE, ""},
263 {"image/x-xcf", "XFC", FLAG_IMAGE, ""},
264 {"image/x-pixmap", "XPM", FLAG_IMAGE, "xpm"},
265 {"image/x-portable-anymap", "Portable AnyMap (PNM)", FLAG_IMAGE, "pnm"},
266 {"image/x-portable-graymap", "Portable GrayMap (PGM)", FLAG_IMAGE, "pgm"},
267 {"image/x-xpixmap", "XPM", FLAG_IMAGE, "xpm"},
268 {"image/x-quicktime", "QuickTime Image Format (QTIF)",
269 FLAG_IMAGE | FLAG_CONTAINER, ".mov"},
270 {"image/x-sun-raster", "Sun Raster Format (RAS)", FLAG_IMAGE, ""},
271 {"image/x-tga", "TGA", FLAG_IMAGE, "tga"},
272 {"image/vnd.wap.wbmp", "Wireless Bitmap", FLAG_IMAGE, "wbmp"},
274 /* subtitle formats with static descriptions */
275 {"text/x-raw", N_("Timed Text"), FLAG_SUB, ""},
276 {"application/x-ssa", "SubStation Alpha", FLAG_SUB, ""},
277 {"application/x-ass", "Advanced SubStation Alpha", FLAG_SUB, ""},
278 /* FIXME: add variant field to typefinder? */
279 {"application/x-subtitle", N_("Subtitle"), FLAG_SUB, ""},
280 {"application/x-subtitle-mpl2", N_("MPL2 subtitle format"), FLAG_SUB, ""},
281 {"application/x-subtitle-dks", N_("DKS subtitle format"), FLAG_SUB, ""},
282 {"application/x-subtitle-qttext", N_("QTtext subtitle format"), FLAG_SUB, ""},
283 {"application/x-subtitle-sami", N_("Sami subtitle format"), FLAG_SUB, ""},
284 {"application/x-subtitle-tmplayer", N_("TMPlayer subtitle format"), FLAG_SUB,
286 {"application/x-teletext", "Teletext", 0, ""},
287 {"application/x-kate", "Kate", 0, ""},
288 {"closedcaption/x-cea-608", N_("CEA 608 Closed Caption"), FLAG_SUB, ""},
289 {"closedcaption/x-cea-708", N_("CEA 708 Closed Caption"), FLAG_SUB, ""},
290 {"subtitle/x-kate", N_("Kate subtitle format"), FLAG_SUB, ""},
291 {"application/x-subtitle-vtt", N_("WebVTT subtitle format"), FLAG_SUB, ""},
292 {"subpicture/x-dvb", "DVB subtitles", FLAG_SUB, ""},
293 {"subpicture/x-pgs", "PGS subtitles", FLAG_SUB, ""},
294 {"subpicture/x-xsub", "XSUB subtitles", FLAG_SUB, ""},
296 /* non-audio/video/container formats */
297 {"hdv/aux-v", "HDV AUX-V", 0, ""},
298 {"hdv/aux-a", "HDV AUX-A", 0, ""},
300 /* formats with dynamic descriptions */
301 {"audio/mpeg", NULL, FLAG_AUDIO, ""},
302 {"audio/x-adpcm", NULL, FLAG_AUDIO, ""},
303 {"audio/x-mace", NULL, FLAG_AUDIO, ""},
304 {"audio/x-pn-realaudio", NULL, FLAG_AUDIO, ""},
305 {"audio/x-raw", NULL, FLAG_AUDIO, ""},
306 {"audio/x-wma", NULL, FLAG_AUDIO, ""},
307 {"video/mpeg", NULL, AVS_CONTAINER | FLAG_SYSTEMSTREAM, "mpg"},
308 {"video/mpeg", NULL, FLAG_VIDEO, ""},
309 {"video/x-asus", NULL, FLAG_VIDEO, ""},
310 {"video/x-ati-vcr", NULL, FLAG_VIDEO, ""},
311 {"video/x-dirac", NULL, FLAG_VIDEO, ""},
312 {"video/x-divx", NULL, FLAG_VIDEO, ""},
313 {"video/x-dv", "Digital Video (DV) System Stream",
314 FLAG_CONTAINER | FLAG_SYSTEMSTREAM, "dv"},
315 {"video/x-dv", "Digital Video (DV)", FLAG_VIDEO, ""},
316 {"video/x-h263", NULL, FLAG_VIDEO, "h263"},
317 {"video/x-h264", NULL, FLAG_VIDEO, "h264"},
318 {"video/x-h265", NULL, FLAG_VIDEO, "h265"},
319 {"video/x-indeo", NULL, FLAG_VIDEO, ""},
320 {"video/x-msmpeg", NULL, FLAG_VIDEO, ""},
321 {"video/x-pn-realvideo", NULL, FLAG_VIDEO, ""},
323 /* do these exist? are they used anywhere? */
324 {"video/x-pn-multirate-realvideo", NULL, 0},
325 {"audio/x-pn-multirate-realaudio", NULL, 0},
326 {"audio/x-pn-multirate-realaudio-live", NULL, 0},
328 {"video/x-truemotion", NULL, FLAG_VIDEO, ""},
329 {"video/x-raw", NULL, FLAG_VIDEO, ""},
330 {"video/x-svq", NULL, FLAG_VIDEO, ""},
331 {"video/x-wmv", NULL, FLAG_VIDEO, ""},
332 {"video/x-xan", NULL, FLAG_VIDEO, ""},
333 {"video/x-tscc", NULL, FLAG_VIDEO, ""}
337 pbutils_desc_get_profile_name_from_nick (const gchar * map, gsize map_len,
340 const gchar *end = map + map_len;
344 while (*p != '\0' && p < end) {
345 guint len = strlen (p);
347 if (strcmp (p, nick) == 0)
356 pbutils_desc_get_mpeg2v_profile_name_from_nick (const gchar * nick)
358 static const gchar map[] =
359 "simple\000Simple\000main\000Main\000high\000High\000";
361 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
365 pbutils_desc_get_mpeg4v_profile_name_from_nick (const gchar * nick)
367 static const gchar map[] = "simple\000Simple\000"
368 "simple-scalable\000Simple Scalable\000"
372 "scalable\000Scalable\000"
373 "hybrid\000Hybrid\000"
374 "advanced-real-time-simple\000Advanced Real-Time Simple\000"
375 "core-scalable\000Core-Scalable\000"
376 "advanced-coding-efficiency\000Advanced Coding Efficiency\000"
377 "advanced-core\000Advanced Core\000"
378 "advanced-scalable-texture\000Advanced Scalable Texture\000"
379 "simple-face\000Simple Face Animation\000"
380 "simple-fba\000Simple FBA\000"
381 "simple-studio\000Simple Studio\000"
382 "core-studio\000Core Studio\000"
383 "advanced-simple\000Advanced Simple\000"
384 "fine-granularity-scalable\000Fine Granularity Scalable\000"
385 "basic-animated-texture\000Basic Animated Texture\000"
386 "baseline\000Baseline Profile\000";
388 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
392 pbutils_desc_get_h264_profile_name_from_nick (const gchar * nick)
394 static const gchar map[] = "baseline\000Baseline\000"
395 "constrained-baseline\000Constrained Baseline\000"
397 "extended\000Extended\000"
399 "high-10-intra\000High 10 Intra\000"
400 "high-10\000High 10\000"
401 "high-4:2:2-intra\000High 4:2:2 Intra\000"
402 "high-4:2:2\000High 4:2:2\000"
403 "high-4:4:4-intra\000High 4:4:4 Intra\000"
404 "high-4:4:4\000High 4:4:4\000"
405 "cavlc-4:4:4-intra\000CAVLC 4:4:4 Intra\000"
406 "multiview-high\000Multiview High\000"
407 "stereo-high\000Stereo High\000"
408 "scalable-constrained-baseline\000Scalable Constrained Baseline\000"
409 "scalable-baseline\000Scalable Baseline\000"
410 "scalable-high\000Scalable High\000";
412 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
416 pbutils_desc_get_h265_profile_name_from_nick (const gchar * nick)
418 static const gchar map[] = "main\000Main\000"
419 "main-10\000Main 10\000"
420 "main-12\000Main 12\000"
421 "main-4:2:2-10\000Main 4:2:2 10\000"
422 "main-4:2:2-12\000Main 4:2:2 12\000"
423 "main-4:4:4\000Main 4:4:4\000"
424 "main-4:4:4-10\000Main 4:4:4 10\000"
425 "main-4:4:4-12\000Main 4:4:4 12\000"
426 "main-4:4:4-16-intra\000Main 4:4:4 16 Intra\000"
427 "main-still-picture\000Main Still Picture\000";
429 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
432 /* returns static descriptions and dynamic ones (such as video/x-raw),
433 * or NULL if caps aren't known at all */
435 format_info_get_desc (const FormatInfo * info, const GstCaps * caps)
437 const GstStructure *s;
439 g_assert (info != NULL);
441 gst_pb_utils_init_locale_text_domain ();
443 if (info->desc != NULL)
444 return g_strdup (_(info->desc));
446 s = gst_caps_get_structure (caps, 0);
448 if (strcmp (info->type, "video/x-raw") == 0) {
450 const gchar *str = 0;
451 GstVideoFormat format;
452 const GstVideoFormatInfo *finfo;
454 str = gst_structure_get_string (s, "format");
456 return g_strdup (_("Uncompressed video"));
457 format = gst_video_format_from_string (str);
458 if (format == GST_VIDEO_FORMAT_UNKNOWN)
459 return g_strdup (_("Uncompressed video"));
461 finfo = gst_video_format_get_info (format);
463 if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) {
464 ret = g_strdup (_("Uncompressed gray"));
465 } else if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) {
467 gint w_sub, h_sub, n_semi;
469 w_sub = GST_VIDEO_FORMAT_INFO_W_SUB (finfo, 1);
470 h_sub = GST_VIDEO_FORMAT_INFO_H_SUB (finfo, 1);
472 if (w_sub == 1 && h_sub == 1) {
474 } else if (w_sub == 2 && h_sub == 1) {
476 } else if (w_sub == 2 && h_sub == 2) {
478 } else if (w_sub == 4 && h_sub == 1) {
484 n_semi = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo) ? 3 : 2;
486 if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == 1) {
487 ret = g_strdup_printf (_("Uncompressed packed YUV %s"), subs);
488 } else if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == n_semi) {
489 ret = g_strdup_printf (_("Uncompressed semi-planar YUV %s"), subs);
491 ret = g_strdup_printf (_("Uncompressed planar YUV %s"), subs);
493 } else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) {
494 gboolean alpha, palette;
497 alpha = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo);
498 palette = GST_VIDEO_FORMAT_INFO_HAS_PALETTE (finfo);
499 bits = GST_VIDEO_FORMAT_INFO_BITS (finfo);
502 ret = g_strdup_printf (_("Uncompressed palettized %d-bit %s"),
503 bits, alpha ? "RGBA" : "RGB");
505 ret = g_strdup_printf (_("Uncompressed %d-bit %s"),
506 bits, alpha ? "RGBA" : "RGB");
509 ret = g_strdup (_("Uncompressed video"));
512 } else if (strcmp (info->type, "video/x-h263") == 0) {
513 const gchar *variant, *ret;
515 variant = gst_structure_get_string (s, "variant");
518 else if (strcmp (variant, "itu") == 0)
519 ret = "ITU H.26n"; /* why not ITU H.263? (tpm) */
520 else if (strcmp (variant, "lead") == 0)
522 else if (strcmp (variant, "microsoft") == 0)
523 ret = "Microsoft H.263";
524 else if (strcmp (variant, "vdolive") == 0)
526 else if (strcmp (variant, "vivo") == 0)
528 else if (strcmp (variant, "xirlink") == 0)
529 ret = "Xirlink H.263";
531 GST_WARNING ("Unknown H263 variant '%s'", variant);
534 return g_strdup (ret);
535 } else if (strcmp (info->type, "video/x-h264") == 0) {
536 const gchar *variant, *ret;
537 const gchar *profile;
539 variant = gst_structure_get_string (s, "variant");
542 else if (strcmp (variant, "itu") == 0)
544 else if (strcmp (variant, "videosoft") == 0)
545 ret = "Videosoft H.264";
546 else if (strcmp (variant, "lead") == 0)
549 GST_WARNING ("Unknown H264 variant '%s'", variant);
553 profile = gst_structure_get_string (s, "profile");
555 profile = pbutils_desc_get_h264_profile_name_from_nick (profile);
557 return g_strdup (ret);
558 return g_strdup_printf ("%s (%s Profile)", ret, profile);
559 } else if (strcmp (info->type, "video/x-h265") == 0) {
560 const gchar *profile = gst_structure_get_string (s, "profile");
563 profile = pbutils_desc_get_h265_profile_name_from_nick (profile);
565 return g_strdup_printf ("H.265 (%s Profile)", profile);
567 return g_strdup ("H.265");
568 } else if (strcmp (info->type, "video/x-dirac") == 0) {
569 const gchar *profile = gst_structure_get_string (s, "profile");
571 return g_strdup ("Dirac");
572 if (strcmp (profile, "vc2-low-delay") == 0)
573 return g_strdup_printf ("Dirac (%s)", "VC-2 Low Delay Profile");
574 else if (strcmp (profile, "vc2-simple") == 0)
575 return g_strdup_printf ("Dirac (%s)", "VC-2 Simple Profile");
576 else if (strcmp (profile, "vc2-main") == 0)
577 return g_strdup_printf ("Dirac (%s)", "VC-2 Main Profile");
579 return g_strdup ("Dirac");
580 } else if (strcmp (info->type, "video/x-divx") == 0) {
583 if (!gst_structure_get_int (s, "divxversion", &ver) || ver <= 2) {
584 GST_WARNING ("Unexpected DivX version in %" GST_PTR_FORMAT, caps);
585 return g_strdup ("DivX MPEG-4");
587 return g_strdup_printf (_("DivX MPEG-4 Version %d"), ver);
588 } else if (strcmp (info->type, "video/x-msmpeg") == 0) {
591 if (!gst_structure_get_int (s, "msmpegversion", &ver) ||
592 ver < 40 || ver > 49) {
593 GST_WARNING ("Unexpected msmpegversion in %" GST_PTR_FORMAT, caps);
594 return g_strdup ("Microsoft MPEG-4 4.x");
596 return g_strdup_printf ("Microsoft MPEG-4 4.%d", ver % 10);
597 } else if (strcmp (info->type, "video/x-truemotion") == 0) {
600 gst_structure_get_int (s, "trueversion", &ver);
603 return g_strdup_printf ("Duck TrueMotion 1");
605 return g_strdup_printf ("TrueMotion 2.0");
607 GST_WARNING ("Unexpected trueversion in %" GST_PTR_FORMAT, caps);
610 return g_strdup_printf ("TrueMotion");
611 } else if (strcmp (info->type, "video/x-xan") == 0) {
614 if (!gst_structure_get_int (s, "wcversion", &ver) || ver < 1) {
615 GST_WARNING ("Unexpected wcversion in %" GST_PTR_FORMAT, caps);
616 return g_strdup ("Xan Wing Commander");
618 return g_strdup_printf ("Xan Wing Commander %u", ver);
619 } else if (strcmp (info->type, "video/x-indeo") == 0) {
622 if (!gst_structure_get_int (s, "indeoversion", &ver) || ver < 2) {
623 GST_WARNING ("Unexpected indeoversion in %" GST_PTR_FORMAT, caps);
624 return g_strdup ("Intel Indeo");
626 return g_strdup_printf ("Intel Indeo %u", ver);
627 } else if (strcmp (info->type, "audio/x-wma") == 0) {
630 gst_structure_get_int (s, "wmaversion", &ver);
635 return g_strdup_printf ("Windows Media Audio %d", ver + 6);
639 GST_WARNING ("Unexpected wmaversion in %" GST_PTR_FORMAT, caps);
640 return g_strdup ("Windows Media Audio");
641 } else if (strcmp (info->type, "video/x-wmv") == 0) {
645 gst_structure_get_int (s, "wmvversion", &ver);
646 str = gst_structure_get_string (s, "format");
652 if (str && strncmp (str, "MSS", 3)) {
653 return g_strdup_printf ("Windows Media Video %d Screen", ver + 6);
655 return g_strdup_printf ("Windows Media Video %d", ver + 6);
660 GST_WARNING ("Unexpected wmvversion in %" GST_PTR_FORMAT, caps);
661 return g_strdup ("Windows Media Video");
662 } else if (strcmp (info->type, "audio/x-mace") == 0) {
665 gst_structure_get_int (s, "maceversion", &ver);
666 if (ver == 3 || ver == 6) {
667 return g_strdup_printf ("MACE-%d", ver);
669 GST_WARNING ("Unexpected maceversion in %" GST_PTR_FORMAT, caps);
670 return g_strdup ("MACE");
672 } else if (strcmp (info->type, "video/x-svq") == 0) {
675 gst_structure_get_int (s, "svqversion", &ver);
676 if (ver == 1 || ver == 3) {
677 return g_strdup_printf ("Sorensen Video %d", ver);
679 GST_WARNING ("Unexpected svqversion in %" GST_PTR_FORMAT, caps);
680 return g_strdup ("Sorensen Video");
682 } else if (strcmp (info->type, "video/x-asus") == 0) {
685 gst_structure_get_int (s, "asusversion", &ver);
686 if (ver == 1 || ver == 2) {
687 return g_strdup_printf ("Asus Video %d", ver);
689 GST_WARNING ("Unexpected asusversion in %" GST_PTR_FORMAT, caps);
690 return g_strdup ("Asus Video");
692 } else if (strcmp (info->type, "video/x-ati-vcr") == 0) {
695 gst_structure_get_int (s, "vcrversion", &ver);
696 if (ver == 1 || ver == 2) {
697 return g_strdup_printf ("ATI VCR %d", ver);
699 GST_WARNING ("Unexpected acrversion in %" GST_PTR_FORMAT, caps);
700 return g_strdup ("ATI VCR");
702 } else if (strcmp (info->type, "audio/x-adpcm") == 0) {
703 const GValue *layout_val;
705 layout_val = gst_structure_get_value (s, "layout");
706 if (layout_val != NULL && G_VALUE_HOLDS_STRING (layout_val)) {
709 if ((layout = g_value_get_string (layout_val))) {
710 gchar *layout_upper, *ret;
712 if (strcmp (layout, "swf") == 0)
713 return g_strdup ("Shockwave ADPCM");
714 if (strcmp (layout, "microsoft") == 0)
715 return g_strdup ("Microsoft ADPCM");
716 if (strcmp (layout, "quicktime") == 0)
717 return g_strdup ("Quicktime ADPCM");
718 if (strcmp (layout, "westwood") == 0)
719 return g_strdup ("Westwood ADPCM");
720 if (strcmp (layout, "yamaha") == 0)
721 return g_strdup ("Yamaha ADPCM");
722 /* FIXME: other layouts: sbpro2, sbpro3, sbpro4, ct, g726, ea,
723 * adx, xa, 4xm, smjpeg, dk4, dk3, dvi */
724 layout_upper = g_ascii_strup (layout, -1);
725 ret = g_strdup_printf ("%s ADPCM", layout_upper);
726 g_free (layout_upper);
730 return g_strdup ("ADPCM");
731 } else if (strcmp (info->type, "audio/mpeg") == 0) {
732 gint ver = 0, layer = 0;
734 gst_structure_get_int (s, "mpegversion", &ver);
738 gst_structure_get_int (s, "layer", &layer);
743 return g_strdup_printf ("MPEG-1 Layer %d (MP%d)", layer, layer);
747 GST_WARNING ("Unexpected MPEG-1 layer in %" GST_PTR_FORMAT, caps);
748 return g_strdup ("MPEG-1 Audio");
750 return g_strdup ("MPEG-2 AAC");
752 return g_strdup ("MPEG-4 AAC");
756 GST_WARNING ("Unexpected audio mpegversion in %" GST_PTR_FORMAT, caps);
757 return g_strdup ("MPEG Audio");
758 } else if (strcmp (info->type, "audio/x-pn-realaudio") == 0) {
761 gst_structure_get_int (s, "raversion", &ver);
764 return g_strdup ("RealAudio 14k4bps");
766 return g_strdup ("RealAudio 28k8bps");
768 return g_strdup ("RealAudio G2 (Cook)");
772 GST_WARNING ("Unexpected raversion in %" GST_PTR_FORMAT, caps);
773 return g_strdup ("RealAudio");
774 } else if (strcmp (info->type, "video/x-pn-realvideo") == 0) {
777 gst_structure_get_int (s, "rmversion", &ver);
780 return g_strdup ("RealVideo 1.0");
782 return g_strdup ("RealVideo 2.0");
784 return g_strdup ("RealVideo 3.0");
786 return g_strdup ("RealVideo 4.0");
790 GST_WARNING ("Unexpected rmversion in %" GST_PTR_FORMAT, caps);
791 return g_strdup ("RealVideo");
792 } else if (strcmp (info->type, "video/mpeg") == 0) {
796 if (!gst_structure_get_boolean (s, "systemstream", &sysstream)) {
797 GST_WARNING ("Missing systemstream field in mpeg video caps "
798 "%" GST_PTR_FORMAT, caps);
802 if (gst_structure_get_int (s, "mpegversion", &ver) && ver > 0 && ver <= 4) {
804 return g_strdup_printf ("MPEG-%d System Stream", ver);
806 const gchar *profile = gst_structure_get_string (s, "profile");
807 if (profile != NULL) {
809 profile = pbutils_desc_get_mpeg4v_profile_name_from_nick (profile);
811 profile = pbutils_desc_get_mpeg2v_profile_name_from_nick (profile);
816 return g_strdup_printf ("MPEG-%d Video (%s Profile)", ver, profile);
818 return g_strdup_printf ("MPEG-%d Video", ver);
821 GST_WARNING ("Missing mpegversion field in mpeg video caps "
822 "%" GST_PTR_FORMAT, caps);
823 return g_strdup ("MPEG Video");
824 } else if (strcmp (info->type, "audio/x-raw") == 0) {
828 GstAudioFormat format = GST_AUDIO_FORMAT_UNKNOWN;
829 const GstAudioFormatInfo *finfo;
831 str = gst_structure_get_string (s, "format");
833 format = gst_audio_format_from_string (str);
834 if (format == GST_AUDIO_FORMAT_UNKNOWN)
835 return g_strdup (_("Uncompressed audio"));
837 finfo = gst_audio_format_get_info (format);
838 depth = GST_AUDIO_FORMAT_INFO_DEPTH (finfo);
839 is_float = GST_AUDIO_FORMAT_INFO_IS_FLOAT (finfo);
841 return g_strdup_printf (_("Raw %d-bit %s audio"), depth,
842 is_float ? "floating-point" : "PCM");
843 } else if (strcmp (info->type, "video/x-tscc") == 0) {
845 gst_structure_get_int (s, "tsccversion", &version);
848 return g_strdup ("TechSmith Screen Capture 1");
850 return g_strdup ("TechSmith Screen Capture 2");
854 GST_WARNING ("Unexpected version in %" GST_PTR_FORMAT, caps);
855 return g_strdup ("TechSmith Screen Capture");
860 /* returns format info structure, will return NULL for dynamic media types! */
861 static const FormatInfo *
862 find_format_info (const GstCaps * caps)
864 const GstStructure *s;
865 const gchar *media_type;
868 s = gst_caps_get_structure (caps, 0);
869 media_type = gst_structure_get_name (s);
871 for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
872 if (strcmp (media_type, formats[i].type) == 0) {
873 gboolean is_sys = FALSE;
875 if ((formats[i].flags & FLAG_SYSTEMSTREAM) == 0)
878 /* this record should only be matched if the systemstream field is set */
879 if (gst_structure_get_boolean (s, "systemstream", &is_sys) && is_sys)
888 caps_are_rtp_caps (const GstCaps * caps, const gchar * media, gchar ** format)
890 const GstStructure *s;
893 g_assert (media != NULL && format != NULL);
895 s = gst_caps_get_structure (caps, 0);
896 if (!gst_structure_has_name (s, "application/x-rtp"))
898 if (!gst_structure_has_field_typed (s, "media", G_TYPE_STRING))
900 str = gst_structure_get_string (s, "media");
901 if (str == NULL || !g_str_equal (str, media))
903 str = gst_structure_get_string (s, "encoding-name");
904 if (str == NULL || *str == '\0')
907 if (strcmp (str, "X-ASF-PF") == 0) {
908 *format = g_strdup ("Windows Media");
909 } else if (g_str_has_prefix (str, "X-")) {
910 *format = g_strdup (str + 2);
912 *format = g_strdup (str);
919 * gst_pb_utils_get_source_description:
920 * @protocol: the protocol the source element needs to handle, e.g. "http"
922 * Returns a localised string describing a source element handling the protocol
923 * specified in @protocol, for use in error dialogs or other messages to be
924 * seen by the user. Should never return NULL unless @protocol is invalid.
926 * This function is mainly for internal use, applications would typically
927 * use gst_missing_plugin_message_get_description() to get a description of
928 * a missing feature from a missing-plugin message.
930 * Returns: a newly-allocated description string, or NULL on error. Free
931 * string with g_free() when not needed any longer.
934 gst_pb_utils_get_source_description (const gchar * protocol)
936 gchar *proto_uc, *ret;
938 g_return_val_if_fail (protocol != NULL, NULL);
940 gst_pb_utils_init_locale_text_domain ();
942 if (strcmp (protocol, "cdda") == 0)
943 return g_strdup (_("Audio CD source"));
945 if (strcmp (protocol, "dvd") == 0)
946 return g_strdup (_("DVD source"));
948 if (strcmp (protocol, "rtsp") == 0)
949 return g_strdup (_("Real Time Streaming Protocol (RTSP) source"));
951 /* TODO: what about mmst, mmsu, mmsh? */
952 if (strcmp (protocol, "mms") == 0)
953 return g_strdup (_("Microsoft Media Server (MMS) protocol source"));
955 /* make protocol uppercase */
956 proto_uc = g_ascii_strup (protocol, -1);
958 /* TODO: find out how to add a comment for translators to the source code
959 * (and tell them to make the first letter uppercase below if they move
960 * the protocol to the middle or end of the string) */
961 ret = g_strdup_printf (_("%s protocol source"), proto_uc);
969 * gst_pb_utils_get_sink_description:
970 * @protocol: the protocol the sink element needs to handle, e.g. "http"
972 * Returns a localised string describing a sink element handling the protocol
973 * specified in @protocol, for use in error dialogs or other messages to be
974 * seen by the user. Should never return NULL unless @protocol is invalid.
976 * This function is mainly for internal use, applications would typically
977 * use gst_missing_plugin_message_get_description() to get a description of
978 * a missing feature from a missing-plugin message.
980 * Returns: a newly-allocated description string, or NULL on error. Free
981 * string with g_free() when not needed any longer.
984 gst_pb_utils_get_sink_description (const gchar * protocol)
986 gchar *proto_uc, *ret;
988 g_return_val_if_fail (protocol != NULL, NULL);
990 /* make protocol uppercase */
991 proto_uc = g_ascii_strup (protocol, -1);
993 /* TODO: find out how to add a comment for translators to the source code
994 * (and tell them to make the first letter uppercase below if they move
995 * the protocol to the middle or end of the string) */
996 ret = g_strdup_printf ("%s protocol sink", proto_uc);
1004 * gst_pb_utils_get_decoder_description:
1005 * @caps: the (fixed) #GstCaps for which an decoder description is needed
1007 * Returns a localised string describing an decoder for the format specified
1008 * in @caps, for use in error dialogs or other messages to be seen by the user.
1009 * Should never return NULL unless @factory_name or @caps are invalid.
1011 * This function is mainly for internal use, applications would typically
1012 * use gst_missing_plugin_message_get_description() to get a description of
1013 * a missing feature from a missing-plugin message.
1015 * Returns: a newly-allocated description string, or NULL on error. Free
1016 * string with g_free() when not needed any longer.
1019 gst_pb_utils_get_decoder_description (const GstCaps * caps)
1024 g_return_val_if_fail (caps != NULL, NULL);
1025 g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
1027 tmp = copy_and_clean_caps (caps);
1029 g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL);
1031 gst_pb_utils_init_locale_text_domain ();
1033 /* special-case RTP caps */
1034 if (caps_are_rtp_caps (tmp, "video", &str)) {
1035 ret = g_strdup_printf (_("%s video RTP depayloader"), str);
1036 } else if (caps_are_rtp_caps (tmp, "audio", &str)) {
1037 ret = g_strdup_printf (_("%s audio RTP depayloader"), str);
1038 } else if (caps_are_rtp_caps (tmp, "application", &str)) {
1039 ret = g_strdup_printf (_("%s RTP depayloader"), str);
1041 const FormatInfo *info;
1043 str = gst_pb_utils_get_codec_description (tmp);
1044 info = find_format_info (tmp);
1045 if (info != NULL && (info->flags & FLAG_CONTAINER) != 0) {
1046 ret = g_strdup_printf (_("%s demuxer"), str);
1048 ret = g_strdup_printf (_("%s decoder"), str);
1053 gst_caps_unref (tmp);
1059 * gst_pb_utils_get_encoder_description:
1060 * @caps: the (fixed) #GstCaps for which an encoder description is needed
1062 * Returns a localised string describing an encoder for the format specified
1063 * in @caps, for use in error dialogs or other messages to be seen by the user.
1064 * Should never return NULL unless @factory_name or @caps are invalid.
1066 * This function is mainly for internal use, applications would typically
1067 * use gst_missing_plugin_message_get_description() to get a description of
1068 * a missing feature from a missing-plugin message.
1070 * Returns: a newly-allocated description string, or NULL on error. Free
1071 * string with g_free() when not needed any longer.
1074 gst_pb_utils_get_encoder_description (const GstCaps * caps)
1079 g_return_val_if_fail (caps != NULL, NULL);
1080 g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
1081 tmp = copy_and_clean_caps (caps);
1082 g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL);
1083 gst_pb_utils_init_locale_text_domain ();
1085 /* special-case RTP caps */
1086 if (caps_are_rtp_caps (tmp, "video", &str)) {
1087 ret = g_strdup_printf (_("%s video RTP payloader"), str);
1088 } else if (caps_are_rtp_caps (tmp, "audio", &str)) {
1089 ret = g_strdup_printf (_("%s audio RTP payloader"), str);
1090 } else if (caps_are_rtp_caps (tmp, "application", &str)) {
1091 ret = g_strdup_printf (_("%s RTP payloader"), str);
1093 const FormatInfo *info;
1095 str = gst_pb_utils_get_codec_description (tmp);
1096 info = find_format_info (tmp);
1097 if (info != NULL && (info->flags & FLAG_CONTAINER) != 0) {
1098 ret = g_strdup_printf (_("%s muxer"), str);
1100 ret = g_strdup_printf (_("%s encoder"), str);
1105 gst_caps_unref (tmp);
1111 * gst_pb_utils_get_element_description:
1112 * @factory_name: the name of the element, e.g. "giosrc"
1114 * Returns a localised string describing the given element, for use in
1115 * error dialogs or other messages to be seen by the user. Should never
1116 * return NULL unless @factory_name is invalid.
1118 * This function is mainly for internal use, applications would typically
1119 * use gst_missing_plugin_message_get_description() to get a description of
1120 * a missing feature from a missing-plugin message.
1122 * Returns: a newly-allocated description string, or NULL on error. Free
1123 * string with g_free() when not needed any longer.
1126 gst_pb_utils_get_element_description (const gchar * factory_name)
1130 g_return_val_if_fail (factory_name != NULL, NULL);
1132 gst_pb_utils_init_locale_text_domain ();
1134 ret = g_strdup_printf (_("GStreamer element %s"), factory_name);
1135 if (ret && g_str_has_prefix (ret, factory_name))
1136 *ret = g_ascii_toupper (*ret);
1142 * gst_pb_utils_add_codec_description_to_tag_list:
1143 * @taglist: a #GstTagList
1144 * @codec_tag: (allow-none): a GStreamer codec tag such as #GST_TAG_AUDIO_CODEC,
1145 * #GST_TAG_VIDEO_CODEC or #GST_TAG_CODEC. If none is specified,
1146 * the function will attempt to detect the appropriate category.
1147 * @caps: the (fixed) #GstCaps for which a codec tag should be added.
1149 * Adds a codec tag describing the format specified by @caps to @taglist.
1151 * Returns: TRUE if a codec tag was added, FALSE otherwise.
1154 gst_pb_utils_add_codec_description_to_tag_list (GstTagList * taglist,
1155 const gchar * codec_tag, const GstCaps * caps)
1157 const FormatInfo *info;
1160 g_return_val_if_fail (taglist != NULL, FALSE);
1161 g_return_val_if_fail (GST_IS_TAG_LIST (taglist), FALSE);
1162 g_return_val_if_fail (codec_tag == NULL || (gst_tag_exists (codec_tag)
1163 && gst_tag_get_type (codec_tag) == G_TYPE_STRING), FALSE);
1164 g_return_val_if_fail (caps != NULL, FALSE);
1165 g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
1167 info = find_format_info (caps);
1171 /* Attempt to find tag classification */
1172 if (codec_tag == NULL) {
1173 if (info->flags & FLAG_CONTAINER)
1174 codec_tag = GST_TAG_CONTAINER_FORMAT;
1175 else if (info->flags & FLAG_AUDIO)
1176 codec_tag = GST_TAG_AUDIO_CODEC;
1177 else if (info->flags & FLAG_VIDEO)
1178 codec_tag = GST_TAG_VIDEO_CODEC;
1179 else if (info->flags & FLAG_SUB)
1180 codec_tag = GST_TAG_SUBTITLE_CODEC;
1182 codec_tag = GST_TAG_CODEC;
1185 desc = format_info_get_desc (info, caps);
1186 gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, codec_tag, desc, NULL);
1193 * gst_pb_utils_get_codec_description:
1194 * @caps: the (fixed) #GstCaps for which an format description is needed
1196 * Returns a localised (as far as this is possible) string describing the
1197 * media format specified in @caps, for use in error dialogs or other messages
1198 * to be seen by the user. Should never return NULL unless @caps is invalid.
1200 * Also see the convenience function
1201 * gst_pb_utils_add_codec_description_to_tag_list().
1203 * Returns: a newly-allocated description string, or NULL on error. Free
1204 * string with g_free() when not needed any longer.
1207 gst_pb_utils_get_codec_description (const GstCaps * caps)
1209 const FormatInfo *info;
1213 g_return_val_if_fail (caps != NULL, NULL);
1214 g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
1215 tmp = copy_and_clean_caps (caps);
1216 g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL);
1218 info = find_format_info (tmp);
1221 str = format_info_get_desc (info, tmp);
1223 str = gst_caps_to_string (tmp);
1225 /* cut off everything after the media type, if there is anything */
1226 if ((comma = strchr (str, ','))) {
1229 /* we could do something more elaborate here, like taking into account
1230 * audio/, video/, image/ and application/ prefixes etc. */
1233 GST_WARNING ("No description available for media type: %s", str);
1235 gst_caps_unref (tmp);
1240 /* internal helper functions for gst_encoding_profile_get_file_extension() */
1241 const gchar *pb_utils_get_file_extension_from_caps (const GstCaps * caps);
1242 gboolean pb_utils_is_tag (const GstCaps * caps);
1245 pb_utils_get_file_extension_from_caps (const GstCaps * caps)
1247 const FormatInfo *info;
1248 const gchar *ext = NULL;
1249 GstCaps *stripped_caps;
1251 g_assert (GST_IS_CAPS (caps));
1253 stripped_caps = copy_and_clean_caps (caps);
1255 g_assert (gst_caps_is_fixed (stripped_caps));
1257 info = find_format_info (stripped_caps);
1259 if (info && info->ext[0] != '\0') {
1261 } else if (info && info->desc == NULL) {
1262 const GstStructure *s;
1264 s = gst_caps_get_structure (stripped_caps, 0);
1266 /* cases where we have to evaluate the caps more closely */
1267 if (strcmp (info->type, "audio/mpeg") == 0) {
1268 int version = 0, layer = 3;
1270 if (gst_structure_get_int (s, "mpegversion", &version)) {
1271 if (version == 2 || version == 4) {
1273 } else if (version == 1) {
1274 gst_structure_get_int (s, "layer", &layer);
1277 else if (layer == 2)
1286 gst_caps_unref (stripped_caps);
1291 * gst_pb_utils_get_file_extension_from_caps:
1292 * @caps: the (fixed) #GstCaps for which a file extension is needed
1294 * Returns a possible file extension for the given caps, if known.
1296 * Returns: (nullable): a newly-allocated file extension string, or NULL on error. Free
1297 * string with g_free() when not needed any longer.
1302 gst_pb_utils_get_file_extension_from_caps (const GstCaps * caps)
1304 return g_strdup (pb_utils_get_file_extension_from_caps (caps));
1308 * gst_pb_utils_get_caps_description_flags:
1309 * @caps: the (fixed) #GstCaps for which flags are requested
1311 * Returns flags that describe the format of the caps if known. No flags are
1312 * set for unknown caps.
1314 * Returns: #GstPbUtilsCapsDescriptionFlags that describe @caps, or no flags
1315 * if the caps are unknown.
1319 GstPbUtilsCapsDescriptionFlags
1320 gst_pb_utils_get_caps_description_flags (const GstCaps * caps)
1323 const FormatInfo *info;
1324 GstPbUtilsCapsDescriptionFlags flags = 0;
1326 g_return_val_if_fail (caps != NULL, 0);
1327 g_return_val_if_fail (GST_IS_CAPS (caps), 0);
1328 tmp = copy_and_clean_caps (caps);
1329 g_return_val_if_fail (gst_caps_is_fixed (tmp), 0);
1331 info = find_format_info (tmp);
1332 /* A separate flags type is used because internally more flags are needed
1333 * for filtering purposes, e.g. the SYSTEMSTREAM flag */
1335 if ((info->flags | FLAG_CONTAINER))
1336 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_CONTAINER;
1337 if ((info->flags | FLAG_AUDIO))
1338 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_AUDIO;
1339 if ((info->flags | FLAG_VIDEO))
1340 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_VIDEO;
1341 if ((info->flags | FLAG_IMAGE))
1342 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_IMAGE;
1343 if ((info->flags | FLAG_SUB))
1344 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_SUBTITLE;
1345 if ((info->flags | FLAG_TAG))
1346 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_TAG;
1347 if ((info->flags | FLAG_GENERIC))
1348 flags |= GST_PBUTILS_CAPS_DESCRIPTION_FLAG_GENERIC;
1351 gst_caps_unref (tmp);
1357 pb_utils_is_tag (const GstCaps * caps)
1359 const FormatInfo *info;
1360 GstCaps *stripped_caps;
1361 gboolean is_tag = FALSE;
1363 g_assert (GST_IS_CAPS (caps));
1365 stripped_caps = copy_and_clean_caps (caps);
1367 g_assert (gst_caps_is_fixed (stripped_caps));
1369 info = find_format_info (stripped_caps);
1372 is_tag = (info->flags & FLAG_TAG) != 0;
1374 gst_caps_unref (stripped_caps);
1381 gst_pb_utils_list_all (void)
1385 g_print ("static const gchar *caps_strings[] = { ");
1387 for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
1388 if (formats[i].desc != NULL)
1389 g_print (" \"%s\", ", formats[i].type);
1391 g_print ("\n#if 0\n");
1392 for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
1393 if (formats[i].desc == NULL)
1394 g_print (" \"%s\", \n", formats[i].type);
1396 g_print ("\n#endif\n");