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-camtasia", "TechSmith Camtasia", FLAG_VIDEO, ""},
194 {"video/x-cavs", "Chinese AVS (CAVS)", FLAG_VIDEO, ""},
195 {"video/x-cdxa", "RIFF/CDXA (VCD)", AV_CONTAINER, ""},
196 {"video/x-cinepak", "Cinepak Video", FLAG_VIDEO, ""},
197 {"video/x-cirrus-logic-accupak", "Cirrus Logipak AccuPak", FLAG_VIDEO, ""},
198 {"video/x-compressed-yuv", N_("CYUV Lossless"), FLAG_VIDEO, ""},
199 {"video/x-dnxhd", "Digital Nonlinear Extensible High Definition (DNxHD)",
201 {"subpicture/x-dvd", "DVD subpicture", FLAG_VIDEO, ""},
202 {"video/x-ffv", N_("FFMpeg v1"), FLAG_VIDEO, ""},
203 {"video/x-flash-screen", "Flash Screen Video", FLAG_VIDEO, ""},
204 {"video/x-flash-video", "Sorenson Spark Video", FLAG_VIDEO, ""},
205 {"video/x-h261", "H.261", FLAG_VIDEO, ""},
206 {"video/x-huffyuv", "Huffyuv", FLAG_VIDEO, ""},
207 {"video/x-intel-h263", "Intel H.263", FLAG_VIDEO, ""},
208 {"video/x-jpeg", "Motion JPEG", FLAG_VIDEO, ""},
209 /* { "video/x-jpeg-b", "", 0 }, does this actually exist? */
210 {"video/x-loco", "LOCO Lossless", FLAG_VIDEO, ""},
211 {"video/x-mimic", "MIMIC", FLAG_VIDEO, ""},
212 {"video/x-mjpeg", "Motion-JPEG", FLAG_VIDEO, ""},
213 {"video/x-mjpeg-b", "Motion-JPEG format B", FLAG_VIDEO, ""},
214 {"video/mpegts", "MPEG-2 Transport Stream", AVS_CONTAINER, "ts"},
215 {"video/x-mng", "Multiple Image Network Graphics (MNG)", FLAG_VIDEO, ""},
216 {"video/x-mszh", N_("Lossless MSZH"), FLAG_VIDEO, ""},
217 {"video/x-msvideocodec", "Microsoft Video 1", FLAG_VIDEO, ""},
218 {"video/x-mve", "Interplay MVE", AV_CONTAINER, "mve"},
219 {"video/x-nut", "NUT", AV_CONTAINER, "nut"},
220 {"video/x-nuv", "MythTV NuppelVideo (NUV)", AV_CONTAINER, "nuv"},
221 {"video/x-prores", "Apple ProRes", FLAG_VIDEO, ""},
222 {"video/x-qdrw", "Apple QuickDraw", FLAG_VIDEO, ""},
223 {"video/x-smc", "Apple SMC", FLAG_VIDEO, ""},
224 {"video/x-smoke", "Smoke", FLAG_VIDEO, ""},
225 {"video/x-tarkin", "Tarkin", FLAG_VIDEO, ""},
226 {"video/x-theora", "Theora", FLAG_VIDEO, ""},
227 {"video/x-rle", N_("Run-length encoding"), FLAG_VIDEO, ""},
228 {"video/x-ultimotion", "IBM UltiMotion", FLAG_VIDEO, ""},
229 {"video/x-vcd", "VideoCD (VCD)", 0},
230 {"video/x-vmnc", "VMWare NC", FLAG_VIDEO, ""},
231 {"video/x-vp3", "On2 VP3", FLAG_VIDEO, ""},
232 {"video/x-vp5", "On2 VP5", FLAG_VIDEO, ""},
233 {"video/x-vp6", "On2 VP6", FLAG_VIDEO, ""},
234 {"video/x-vp6-flash", "On2 VP6/Flash", FLAG_VIDEO, ""},
235 {"video/x-vp6-alpha", "On2 VP6 with alpha", FLAG_VIDEO, ""},
236 {"video/x-vp7", "On2 VP7", FLAG_VIDEO, ""},
237 {"video/x-vp8", "VP8", FLAG_VIDEO, ""},
238 {"video/x-vp9", "VP9", FLAG_VIDEO, ""},
239 {"video/x-zlib", "Lossless zlib video", FLAG_VIDEO, ""},
240 {"video/x-zmbv", "Zip Motion Block video", FLAG_VIDEO, ""},
242 /* image formats with static descriptions */
243 {"image/bmp", "BMP", FLAG_IMAGE, "bmp"},
244 {"image/x-bmp", "BMP", FLAG_IMAGE, "bmp"},
245 {"image/x-MS-bmp", "BMP", FLAG_IMAGE, "bmp"},
246 {"image/gif", "GIF", FLAG_IMAGE, "gif"},
247 {"image/jpeg", "JPEG", FLAG_IMAGE | FLAG_VIDEO, "jpg"},
248 {"image/jng", "JPEG Network Graphics (JNG)", FLAG_IMAGE, ""},
249 {"image/png", "PNG", FLAG_VIDEO | FLAG_IMAGE, "png"},
250 {"image/pbm", "Portable BitMap (PBM)", FLAG_IMAGE, "pbm"},
251 {"image/ppm", "Portable PixMap (PPM)", FLAG_IMAGE, "ppm"},
252 {"image/svg+xml", "Scalable Vector Graphics (SVG)", FLAG_IMAGE, "svg"},
253 {"image/tiff", "TIFF", FLAG_IMAGE, "tiff"},
254 {"image/x-cmu-raster", "CMU Raster Format", FLAG_IMAGE, ""},
255 {"image/x-degas", "DEGAS", FLAG_IMAGE, ""},
256 {"image/x-icon", "ICO", FLAG_IMAGE, "ico"},
257 {"image/x-j2c", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""},
258 {"image/x-jpc", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""},
259 {"image/jp2", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""},
260 {"image/x-pcx", "PCX", FLAG_IMAGE, ""},
261 {"image/x-xcf", "XFC", FLAG_IMAGE, ""},
262 {"image/x-pixmap", "XPM", FLAG_IMAGE, "xpm"},
263 {"image/x-portable-anymap", "Portable AnyMap (PNM)", FLAG_IMAGE, "pnm"},
264 {"image/x-portable-graymap", "Portable GrayMap (PGM)", FLAG_IMAGE, "pgm"},
265 {"image/x-xpixmap", "XPM", FLAG_IMAGE, "xpm"},
266 {"image/x-quicktime", "QuickTime Image Format (QTIF)",
267 FLAG_IMAGE | FLAG_CONTAINER, ".mov"},
268 {"image/x-sun-raster", "Sun Raster Format (RAS)", FLAG_IMAGE, ""},
269 {"image/x-tga", "TGA", FLAG_IMAGE, "tga"},
270 {"image/vnd.wap.wbmp", "Wireless Bitmap", FLAG_IMAGE, "wbmp"},
272 /* subtitle formats with static descriptions */
273 {"text/x-raw", N_("Timed Text"), FLAG_SUB, ""},
274 {"application/x-ssa", "SubStation Alpha", FLAG_SUB, ""},
275 {"application/x-ass", "Advanced SubStation Alpha", FLAG_SUB, ""},
276 /* FIXME: add variant field to typefinder? */
277 {"application/x-subtitle", N_("Subtitle"), FLAG_SUB, ""},
278 {"application/x-subtitle-mpl2", N_("MPL2 subtitle format"), FLAG_SUB, ""},
279 {"application/x-subtitle-dks", N_("DKS subtitle format"), FLAG_SUB, ""},
280 {"application/x-subtitle-qttext", N_("QTtext subtitle format"), FLAG_SUB, ""},
281 {"application/x-subtitle-sami", N_("Sami subtitle format"), FLAG_SUB, ""},
282 {"application/x-subtitle-tmplayer", N_("TMPlayer subtitle format"), FLAG_SUB,
284 {"application/x-teletext", "Teletext", 0, ""},
285 {"application/x-kate", "Kate", 0, ""},
286 {"closedcaption/x-cea-608", N_("CEA 608 Closed Caption"), FLAG_SUB, ""},
287 {"closedcaption/x-cea-708", N_("CEA 708 Closed Caption"), FLAG_SUB, ""},
288 {"subtitle/x-kate", N_("Kate subtitle format"), FLAG_SUB, ""},
289 {"application/x-subtitle-vtt", N_("WebVTT subtitle format"), FLAG_SUB, ""},
290 {"subpicture/x-dvb", "DVB subtitles", FLAG_SUB, ""},
291 {"subpicture/x-pgs", "PGS subtitles", FLAG_SUB, ""},
292 {"subpicture/x-xsub", "XSUB subtitles", FLAG_SUB, ""},
294 /* non-audio/video/container formats */
295 {"hdv/aux-v", "HDV AUX-V", 0, ""},
296 {"hdv/aux-a", "HDV AUX-A", 0, ""},
298 /* formats with dynamic descriptions */
299 {"audio/mpeg", NULL, FLAG_AUDIO, ""},
300 {"audio/x-adpcm", NULL, FLAG_AUDIO, ""},
301 {"audio/x-mace", NULL, FLAG_AUDIO, ""},
302 {"audio/x-pn-realaudio", NULL, FLAG_AUDIO, ""},
303 {"audio/x-raw", NULL, FLAG_AUDIO, ""},
304 {"audio/x-wma", NULL, FLAG_AUDIO, ""},
305 {"video/mpeg", NULL, AVS_CONTAINER | FLAG_SYSTEMSTREAM, "mpg"},
306 {"video/mpeg", NULL, FLAG_VIDEO, ""},
307 {"video/x-asus", NULL, FLAG_VIDEO, ""},
308 {"video/x-ati-vcr", NULL, FLAG_VIDEO, ""},
309 {"video/x-dirac", NULL, FLAG_VIDEO, ""},
310 {"video/x-divx", NULL, FLAG_VIDEO, ""},
311 {"video/x-dv", "Digital Video (DV) System Stream",
312 FLAG_CONTAINER | FLAG_SYSTEMSTREAM, "dv"},
313 {"video/x-dv", "Digital Video (DV)", FLAG_VIDEO, ""},
314 {"video/x-h263", NULL, FLAG_VIDEO, "h263"},
315 {"video/x-h264", NULL, FLAG_VIDEO, "h264"},
316 {"video/x-h265", NULL, FLAG_VIDEO, "h265"},
317 {"video/x-indeo", NULL, FLAG_VIDEO, ""},
318 {"video/x-msmpeg", NULL, FLAG_VIDEO, ""},
319 {"video/x-pn-realvideo", NULL, FLAG_VIDEO, ""},
321 /* do these exist? are they used anywhere? */
322 {"video/x-pn-multirate-realvideo", NULL, 0},
323 {"audio/x-pn-multirate-realaudio", NULL, 0},
324 {"audio/x-pn-multirate-realaudio-live", NULL, 0},
326 {"video/x-truemotion", NULL, FLAG_VIDEO, ""},
327 {"video/x-raw", NULL, FLAG_VIDEO, ""},
328 {"video/x-svq", NULL, FLAG_VIDEO, ""},
329 {"video/x-wmv", NULL, FLAG_VIDEO, ""},
330 {"video/x-xan", NULL, FLAG_VIDEO, ""},
331 {"video/x-tscc", NULL, FLAG_VIDEO, ""}
335 pbutils_desc_get_profile_name_from_nick (const gchar * map, gsize map_len,
338 const gchar *end = map + map_len;
342 while (*p != '\0' && p < end) {
343 guint len = strlen (p);
345 if (strcmp (p, nick) == 0)
354 pbutils_desc_get_mpeg2v_profile_name_from_nick (const gchar * nick)
356 static const gchar map[] =
357 "simple\000Simple\000main\000Main\000high\000High\000";
359 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
363 pbutils_desc_get_mpeg4v_profile_name_from_nick (const gchar * nick)
365 static const gchar map[] = "simple\000Simple\000"
366 "simple-scalable\000Simple Scalable\000"
370 "scalable\000Scalable\000"
371 "hybrid\000Hybrid\000"
372 "advanced-real-time-simple\000Advanced Real-Time Simple\000"
373 "core-scalable\000Core-Scalable\000"
374 "advanced-coding-efficiency\000Advanced Coding Efficiency\000"
375 "advanced-core\000Advanced Core\000"
376 "advanced-scalable-texture\000Advanced Scalable Texture\000"
377 "simple-face\000Simple Face Animation\000"
378 "simple-fba\000Simple FBA\000"
379 "simple-studio\000Simple Studio\000"
380 "core-studio\000Core Studio\000"
381 "advanced-simple\000Advanced Simple\000"
382 "fine-granularity-scalable\000Fine Granularity Scalable\000"
383 "basic-animated-texture\000Basic Animated Texture\000"
384 "baseline\000Baseline Profile\000";
386 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
390 pbutils_desc_get_h264_profile_name_from_nick (const gchar * nick)
392 static const gchar map[] = "baseline\000Baseline\000"
393 "constrained-baseline\000Constrained Baseline\000"
395 "extended\000Extended\000"
397 "high-10-intra\000High 10 Intra\000"
398 "high-10\000High 10\000"
399 "high-4:2:2-intra\000High 4:2:2 Intra\000"
400 "high-4:2:2\000High 4:2:2\000"
401 "high-4:4:4-intra\000High 4:4:4 Intra\000"
402 "high-4:4:4\000High 4:4:4\000"
403 "cavlc-4:4:4-intra\000CAVLC 4:4:4 Intra\000"
404 "multiview-high\000Multiview High\000"
405 "stereo-high\000Stereo High\000"
406 "scalable-constrained-baseline\000Scalable Constrained Baseline\000"
407 "scalable-baseline\000Scalable Baseline\000"
408 "scalable-high\000Scalable High\000";
410 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
414 pbutils_desc_get_h265_profile_name_from_nick (const gchar * nick)
416 static const gchar map[] = "main\000Main\000"
417 "main-10\000Main 10\000"
418 "main-12\000Main 12\000"
419 "main-4:2:2-10\000Main 4:2:2 10\000"
420 "main-4:2:2-12\000Main 4:2:2 12\000"
421 "main-4:4:4\000Main 4:4:4\000"
422 "main-4:4:4-10\000Main 4:4:4 10\000"
423 "main-4:4:4-12\000Main 4:4:4 12\000"
424 "main-4:4:4-16-intra\000Main 4:4:4 16 Intra\000"
425 "main-still-picture\000Main Still Picture\000";
427 return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick);
430 /* returns static descriptions and dynamic ones (such as video/x-raw),
431 * or NULL if caps aren't known at all */
433 format_info_get_desc (const FormatInfo * info, const GstCaps * caps)
435 const GstStructure *s;
437 g_assert (info != NULL);
439 gst_pb_utils_init_locale_text_domain ();
441 if (info->desc != NULL)
442 return g_strdup (_(info->desc));
444 s = gst_caps_get_structure (caps, 0);
446 if (strcmp (info->type, "video/x-raw") == 0) {
448 const gchar *str = 0;
449 GstVideoFormat format;
450 const GstVideoFormatInfo *finfo;
452 str = gst_structure_get_string (s, "format");
454 return g_strdup (_("Uncompressed video"));
455 format = gst_video_format_from_string (str);
456 if (format == GST_VIDEO_FORMAT_UNKNOWN)
457 return g_strdup (_("Uncompressed video"));
459 finfo = gst_video_format_get_info (format);
461 if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) {
462 ret = g_strdup (_("Uncompressed gray"));
463 } else if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) {
465 gint w_sub, h_sub, n_semi;
467 w_sub = GST_VIDEO_FORMAT_INFO_W_SUB (finfo, 1);
468 h_sub = GST_VIDEO_FORMAT_INFO_H_SUB (finfo, 1);
470 if (w_sub == 1 && h_sub == 1) {
472 } else if (w_sub == 2 && h_sub == 1) {
474 } else if (w_sub == 2 && h_sub == 2) {
476 } else if (w_sub == 4 && h_sub == 1) {
482 n_semi = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo) ? 3 : 2;
484 if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == 1) {
485 ret = g_strdup_printf (_("Uncompressed packed YUV %s"), subs);
486 } else if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == n_semi) {
487 ret = g_strdup_printf (_("Uncompressed semi-planar YUV %s"), subs);
489 ret = g_strdup_printf (_("Uncompressed planar YUV %s"), subs);
491 } else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) {
492 gboolean alpha, palette;
495 alpha = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo);
496 palette = GST_VIDEO_FORMAT_INFO_HAS_PALETTE (finfo);
497 bits = GST_VIDEO_FORMAT_INFO_BITS (finfo);
500 ret = g_strdup_printf (_("Uncompressed palettized %d-bit %s"),
501 bits, alpha ? "RGBA" : "RGB");
503 ret = g_strdup_printf (_("Uncompressed %d-bit %s"),
504 bits, alpha ? "RGBA" : "RGB");
507 ret = g_strdup (_("Uncompressed video"));
510 } else if (strcmp (info->type, "video/x-h263") == 0) {
511 const gchar *variant, *ret;
513 variant = gst_structure_get_string (s, "variant");
516 else if (strcmp (variant, "itu") == 0)
517 ret = "ITU H.26n"; /* why not ITU H.263? (tpm) */
518 else if (strcmp (variant, "lead") == 0)
520 else if (strcmp (variant, "microsoft") == 0)
521 ret = "Microsoft H.263";
522 else if (strcmp (variant, "vdolive") == 0)
524 else if (strcmp (variant, "vivo") == 0)
526 else if (strcmp (variant, "xirlink") == 0)
527 ret = "Xirlink H.263";
529 GST_WARNING ("Unknown H263 variant '%s'", variant);
532 return g_strdup (ret);
533 } else if (strcmp (info->type, "video/x-h264") == 0) {
534 const gchar *variant, *ret;
535 const gchar *profile;
537 variant = gst_structure_get_string (s, "variant");
540 else if (strcmp (variant, "itu") == 0)
542 else if (strcmp (variant, "videosoft") == 0)
543 ret = "Videosoft H.264";
544 else if (strcmp (variant, "lead") == 0)
547 GST_WARNING ("Unknown H264 variant '%s'", variant);
551 profile = gst_structure_get_string (s, "profile");
553 profile = pbutils_desc_get_h264_profile_name_from_nick (profile);
555 return g_strdup (ret);
556 return g_strdup_printf ("%s (%s Profile)", ret, profile);
557 } else if (strcmp (info->type, "video/x-h265") == 0) {
558 const gchar *profile = gst_structure_get_string (s, "profile");
561 profile = pbutils_desc_get_h265_profile_name_from_nick (profile);
563 return g_strdup_printf ("H.265 (%s Profile)", profile);
565 return g_strdup ("H.265");
566 } else if (strcmp (info->type, "video/x-dirac") == 0) {
567 const gchar *profile = gst_structure_get_string (s, "profile");
569 return g_strdup ("Dirac");
570 if (strcmp (profile, "vc2-low-delay") == 0)
571 return g_strdup_printf ("Dirac (%s)", "VC-2 Low Delay Profile");
572 else if (strcmp (profile, "vc2-simple") == 0)
573 return g_strdup_printf ("Dirac (%s)", "VC-2 Simple Profile");
574 else if (strcmp (profile, "vc2-main") == 0)
575 return g_strdup_printf ("Dirac (%s)", "VC-2 Main Profile");
577 return g_strdup ("Dirac");
578 } else if (strcmp (info->type, "video/x-divx") == 0) {
581 if (!gst_structure_get_int (s, "divxversion", &ver) || ver <= 2) {
582 GST_WARNING ("Unexpected DivX version in %" GST_PTR_FORMAT, caps);
583 return g_strdup ("DivX MPEG-4");
585 return g_strdup_printf (_("DivX MPEG-4 Version %d"), ver);
586 } else if (strcmp (info->type, "video/x-msmpeg") == 0) {
589 if (!gst_structure_get_int (s, "msmpegversion", &ver) ||
590 ver < 40 || ver > 49) {
591 GST_WARNING ("Unexpected msmpegversion in %" GST_PTR_FORMAT, caps);
592 return g_strdup ("Microsoft MPEG-4 4.x");
594 return g_strdup_printf ("Microsoft MPEG-4 4.%d", ver % 10);
595 } else if (strcmp (info->type, "video/x-truemotion") == 0) {
598 gst_structure_get_int (s, "trueversion", &ver);
601 return g_strdup_printf ("Duck TrueMotion 1");
603 return g_strdup_printf ("TrueMotion 2.0");
605 GST_WARNING ("Unexpected trueversion in %" GST_PTR_FORMAT, caps);
608 return g_strdup_printf ("TrueMotion");
609 } else if (strcmp (info->type, "video/x-xan") == 0) {
612 if (!gst_structure_get_int (s, "wcversion", &ver) || ver < 1) {
613 GST_WARNING ("Unexpected wcversion in %" GST_PTR_FORMAT, caps);
614 return g_strdup ("Xan Wing Commander");
616 return g_strdup_printf ("Xan Wing Commander %u", ver);
617 } else if (strcmp (info->type, "video/x-indeo") == 0) {
620 if (!gst_structure_get_int (s, "indeoversion", &ver) || ver < 2) {
621 GST_WARNING ("Unexpected indeoversion in %" GST_PTR_FORMAT, caps);
622 return g_strdup ("Intel Indeo");
624 return g_strdup_printf ("Intel Indeo %u", ver);
625 } else if (strcmp (info->type, "audio/x-wma") == 0) {
628 gst_structure_get_int (s, "wmaversion", &ver);
633 return g_strdup_printf ("Windows Media Audio %d", ver + 6);
637 GST_WARNING ("Unexpected wmaversion in %" GST_PTR_FORMAT, caps);
638 return g_strdup ("Windows Media Audio");
639 } else if (strcmp (info->type, "video/x-wmv") == 0) {
643 gst_structure_get_int (s, "wmvversion", &ver);
644 str = gst_structure_get_string (s, "format");
650 if (str && strncmp (str, "MSS", 3)) {
651 return g_strdup_printf ("Windows Media Video %d Screen", ver + 6);
653 return g_strdup_printf ("Windows Media Video %d", ver + 6);
658 GST_WARNING ("Unexpected wmvversion in %" GST_PTR_FORMAT, caps);
659 return g_strdup ("Windows Media Video");
660 } else if (strcmp (info->type, "audio/x-mace") == 0) {
663 gst_structure_get_int (s, "maceversion", &ver);
664 if (ver == 3 || ver == 6) {
665 return g_strdup_printf ("MACE-%d", ver);
667 GST_WARNING ("Unexpected maceversion in %" GST_PTR_FORMAT, caps);
668 return g_strdup ("MACE");
670 } else if (strcmp (info->type, "video/x-svq") == 0) {
673 gst_structure_get_int (s, "svqversion", &ver);
674 if (ver == 1 || ver == 3) {
675 return g_strdup_printf ("Sorensen Video %d", ver);
677 GST_WARNING ("Unexpected svqversion in %" GST_PTR_FORMAT, caps);
678 return g_strdup ("Sorensen Video");
680 } else if (strcmp (info->type, "video/x-asus") == 0) {
683 gst_structure_get_int (s, "asusversion", &ver);
684 if (ver == 1 || ver == 2) {
685 return g_strdup_printf ("Asus Video %d", ver);
687 GST_WARNING ("Unexpected asusversion in %" GST_PTR_FORMAT, caps);
688 return g_strdup ("Asus Video");
690 } else if (strcmp (info->type, "video/x-ati-vcr") == 0) {
693 gst_structure_get_int (s, "vcrversion", &ver);
694 if (ver == 1 || ver == 2) {
695 return g_strdup_printf ("ATI VCR %d", ver);
697 GST_WARNING ("Unexpected acrversion in %" GST_PTR_FORMAT, caps);
698 return g_strdup ("ATI VCR");
700 } else if (strcmp (info->type, "audio/x-adpcm") == 0) {
701 const GValue *layout_val;
703 layout_val = gst_structure_get_value (s, "layout");
704 if (layout_val != NULL && G_VALUE_HOLDS_STRING (layout_val)) {
707 if ((layout = g_value_get_string (layout_val))) {
708 gchar *layout_upper, *ret;
710 if (strcmp (layout, "swf") == 0)
711 return g_strdup ("Shockwave ADPCM");
712 if (strcmp (layout, "microsoft") == 0)
713 return g_strdup ("Microsoft ADPCM");
714 if (strcmp (layout, "quicktime") == 0)
715 return g_strdup ("Quicktime ADPCM");
716 if (strcmp (layout, "westwood") == 0)
717 return g_strdup ("Westwood ADPCM");
718 if (strcmp (layout, "yamaha") == 0)
719 return g_strdup ("Yamaha ADPCM");
720 /* FIXME: other layouts: sbpro2, sbpro3, sbpro4, ct, g726, ea,
721 * adx, xa, 4xm, smjpeg, dk4, dk3, dvi */
722 layout_upper = g_ascii_strup (layout, -1);
723 ret = g_strdup_printf ("%s ADPCM", layout_upper);
724 g_free (layout_upper);
728 return g_strdup ("ADPCM");
729 } else if (strcmp (info->type, "audio/mpeg") == 0) {
730 gint ver = 0, layer = 0;
732 gst_structure_get_int (s, "mpegversion", &ver);
736 gst_structure_get_int (s, "layer", &layer);
741 return g_strdup_printf ("MPEG-1 Layer %d (MP%d)", layer, layer);
745 GST_WARNING ("Unexpected MPEG-1 layer in %" GST_PTR_FORMAT, caps);
746 return g_strdup ("MPEG-1 Audio");
748 return g_strdup ("MPEG-2 AAC");
750 return g_strdup ("MPEG-4 AAC");
754 GST_WARNING ("Unexpected audio mpegversion in %" GST_PTR_FORMAT, caps);
755 return g_strdup ("MPEG Audio");
756 } else if (strcmp (info->type, "audio/x-pn-realaudio") == 0) {
759 gst_structure_get_int (s, "raversion", &ver);
762 return g_strdup ("RealAudio 14k4bps");
764 return g_strdup ("RealAudio 28k8bps");
766 return g_strdup ("RealAudio G2 (Cook)");
770 GST_WARNING ("Unexpected raversion in %" GST_PTR_FORMAT, caps);
771 return g_strdup ("RealAudio");
772 } else if (strcmp (info->type, "video/x-pn-realvideo") == 0) {
775 gst_structure_get_int (s, "rmversion", &ver);
778 return g_strdup ("RealVideo 1.0");
780 return g_strdup ("RealVideo 2.0");
782 return g_strdup ("RealVideo 3.0");
784 return g_strdup ("RealVideo 4.0");
788 GST_WARNING ("Unexpected rmversion in %" GST_PTR_FORMAT, caps);
789 return g_strdup ("RealVideo");
790 } else if (strcmp (info->type, "video/mpeg") == 0) {
794 if (!gst_structure_get_boolean (s, "systemstream", &sysstream)) {
795 GST_WARNING ("Missing systemstream field in mpeg video caps "
796 "%" GST_PTR_FORMAT, caps);
800 if (gst_structure_get_int (s, "mpegversion", &ver) && ver > 0 && ver <= 4) {
802 return g_strdup_printf ("MPEG-%d System Stream", ver);
804 const gchar *profile = gst_structure_get_string (s, "profile");
805 if (profile != NULL) {
807 profile = pbutils_desc_get_mpeg4v_profile_name_from_nick (profile);
809 profile = pbutils_desc_get_mpeg2v_profile_name_from_nick (profile);
814 return g_strdup_printf ("MPEG-%d Video (%s Profile)", ver, profile);
816 return g_strdup_printf ("MPEG-%d Video", ver);
819 GST_WARNING ("Missing mpegversion field in mpeg video caps "
820 "%" GST_PTR_FORMAT, caps);
821 return g_strdup ("MPEG Video");
822 } else if (strcmp (info->type, "audio/x-raw") == 0) {
826 GstAudioFormat format = GST_AUDIO_FORMAT_UNKNOWN;
827 const GstAudioFormatInfo *finfo;
829 str = gst_structure_get_string (s, "format");
831 format = gst_audio_format_from_string (str);
832 if (format == GST_AUDIO_FORMAT_UNKNOWN)
833 return g_strdup (_("Uncompressed audio"));
835 finfo = gst_audio_format_get_info (format);
836 depth = GST_AUDIO_FORMAT_INFO_DEPTH (finfo);
837 is_float = GST_AUDIO_FORMAT_INFO_IS_FLOAT (finfo);
839 return g_strdup_printf (_("Raw %d-bit %s audio"), depth,
840 is_float ? "floating-point" : "PCM");
841 } else if (strcmp (info->type, "video/x-tscc") == 0) {
843 gst_structure_get_int (s, "tsccversion", &version);
846 return g_strdup ("TechSmith Screen Capture 1");
848 return g_strdup ("TechSmith Screen Capture 2");
852 GST_WARNING ("Unexpected version in %" GST_PTR_FORMAT, caps);
853 return g_strdup ("TechSmith Screen Capture");
858 /* returns format info structure, will return NULL for dynamic media types! */
859 static const FormatInfo *
860 find_format_info (const GstCaps * caps)
862 const GstStructure *s;
863 const gchar *media_type;
866 s = gst_caps_get_structure (caps, 0);
867 media_type = gst_structure_get_name (s);
869 for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
870 if (strcmp (media_type, formats[i].type) == 0) {
871 gboolean is_sys = FALSE;
873 if ((formats[i].flags & FLAG_SYSTEMSTREAM) == 0)
876 /* this record should only be matched if the systemstream field is set */
877 if (gst_structure_get_boolean (s, "systemstream", &is_sys) && is_sys)
886 caps_are_rtp_caps (const GstCaps * caps, const gchar * media, gchar ** format)
888 const GstStructure *s;
891 g_assert (media != NULL && format != NULL);
893 s = gst_caps_get_structure (caps, 0);
894 if (!gst_structure_has_name (s, "application/x-rtp"))
896 if (!gst_structure_has_field_typed (s, "media", G_TYPE_STRING))
898 str = gst_structure_get_string (s, "media");
899 if (str == NULL || !g_str_equal (str, media))
901 str = gst_structure_get_string (s, "encoding-name");
902 if (str == NULL || *str == '\0')
905 if (strcmp (str, "X-ASF-PF") == 0) {
906 *format = g_strdup ("Windows Media");
907 } else if (g_str_has_prefix (str, "X-")) {
908 *format = g_strdup (str + 2);
910 *format = g_strdup (str);
917 * gst_pb_utils_get_source_description:
918 * @protocol: the protocol the source element needs to handle, e.g. "http"
920 * Returns a localised string describing a source element handling the protocol
921 * specified in @protocol, for use in error dialogs or other messages to be
922 * seen by the user. Should never return NULL unless @protocol is invalid.
924 * This function is mainly for internal use, applications would typically
925 * use gst_missing_plugin_message_get_description() to get a description of
926 * a missing feature from a missing-plugin message.
928 * Returns: a newly-allocated description string, or NULL on error. Free
929 * string with g_free() when not needed any longer.
932 gst_pb_utils_get_source_description (const gchar * protocol)
934 gchar *proto_uc, *ret;
936 g_return_val_if_fail (protocol != NULL, NULL);
938 gst_pb_utils_init_locale_text_domain ();
940 if (strcmp (protocol, "cdda") == 0)
941 return g_strdup (_("Audio CD source"));
943 if (strcmp (protocol, "dvd") == 0)
944 return g_strdup (_("DVD source"));
946 if (strcmp (protocol, "rtsp") == 0)
947 return g_strdup (_("Real Time Streaming Protocol (RTSP) source"));
949 /* TODO: what about mmst, mmsu, mmsh? */
950 if (strcmp (protocol, "mms") == 0)
951 return g_strdup (_("Microsoft Media Server (MMS) protocol source"));
953 /* make protocol uppercase */
954 proto_uc = g_ascii_strup (protocol, -1);
956 /* TODO: find out how to add a comment for translators to the source code
957 * (and tell them to make the first letter uppercase below if they move
958 * the protocol to the middle or end of the string) */
959 ret = g_strdup_printf (_("%s protocol source"), proto_uc);
967 * gst_pb_utils_get_sink_description:
968 * @protocol: the protocol the sink element needs to handle, e.g. "http"
970 * Returns a localised string describing a sink element handling the protocol
971 * specified in @protocol, for use in error dialogs or other messages to be
972 * seen by the user. Should never return NULL unless @protocol is invalid.
974 * This function is mainly for internal use, applications would typically
975 * use gst_missing_plugin_message_get_description() to get a description of
976 * a missing feature from a missing-plugin message.
978 * Returns: a newly-allocated description string, or NULL on error. Free
979 * string with g_free() when not needed any longer.
982 gst_pb_utils_get_sink_description (const gchar * protocol)
984 gchar *proto_uc, *ret;
986 g_return_val_if_fail (protocol != NULL, NULL);
988 /* make protocol uppercase */
989 proto_uc = g_ascii_strup (protocol, -1);
991 /* TODO: find out how to add a comment for translators to the source code
992 * (and tell them to make the first letter uppercase below if they move
993 * the protocol to the middle or end of the string) */
994 ret = g_strdup_printf ("%s protocol sink", proto_uc);
1002 * gst_pb_utils_get_decoder_description:
1003 * @caps: the (fixed) #GstCaps for which an decoder description is needed
1005 * Returns a localised string describing an decoder for the format specified
1006 * in @caps, for use in error dialogs or other messages to be seen by the user.
1007 * Should never return NULL unless @factory_name or @caps are invalid.
1009 * This function is mainly for internal use, applications would typically
1010 * use gst_missing_plugin_message_get_description() to get a description of
1011 * a missing feature from a missing-plugin message.
1013 * Returns: a newly-allocated description string, or NULL on error. Free
1014 * string with g_free() when not needed any longer.
1017 gst_pb_utils_get_decoder_description (const GstCaps * caps)
1022 g_return_val_if_fail (caps != NULL, NULL);
1023 g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
1025 tmp = copy_and_clean_caps (caps);
1027 g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL);
1029 gst_pb_utils_init_locale_text_domain ();
1031 /* special-case RTP caps */
1032 if (caps_are_rtp_caps (tmp, "video", &str)) {
1033 ret = g_strdup_printf (_("%s video RTP depayloader"), str);
1034 } else if (caps_are_rtp_caps (tmp, "audio", &str)) {
1035 ret = g_strdup_printf (_("%s audio RTP depayloader"), str);
1036 } else if (caps_are_rtp_caps (tmp, "application", &str)) {
1037 ret = g_strdup_printf (_("%s RTP depayloader"), str);
1039 const FormatInfo *info;
1041 str = gst_pb_utils_get_codec_description (tmp);
1042 info = find_format_info (tmp);
1043 if (info != NULL && (info->flags & FLAG_CONTAINER) != 0) {
1044 ret = g_strdup_printf (_("%s demuxer"), str);
1046 ret = g_strdup_printf (_("%s decoder"), str);
1051 gst_caps_unref (tmp);
1057 * gst_pb_utils_get_encoder_description:
1058 * @caps: the (fixed) #GstCaps for which an encoder description is needed
1060 * Returns a localised string describing an encoder for the format specified
1061 * in @caps, for use in error dialogs or other messages to be seen by the user.
1062 * Should never return NULL unless @factory_name or @caps are invalid.
1064 * This function is mainly for internal use, applications would typically
1065 * use gst_missing_plugin_message_get_description() to get a description of
1066 * a missing feature from a missing-plugin message.
1068 * Returns: a newly-allocated description string, or NULL on error. Free
1069 * string with g_free() when not needed any longer.
1072 gst_pb_utils_get_encoder_description (const GstCaps * caps)
1077 g_return_val_if_fail (caps != NULL, NULL);
1078 g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
1079 tmp = copy_and_clean_caps (caps);
1080 g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL);
1081 gst_pb_utils_init_locale_text_domain ();
1083 /* special-case RTP caps */
1084 if (caps_are_rtp_caps (tmp, "video", &str)) {
1085 ret = g_strdup_printf (_("%s video RTP payloader"), str);
1086 } else if (caps_are_rtp_caps (tmp, "audio", &str)) {
1087 ret = g_strdup_printf (_("%s audio RTP payloader"), str);
1088 } else if (caps_are_rtp_caps (tmp, "application", &str)) {
1089 ret = g_strdup_printf (_("%s RTP payloader"), str);
1091 const FormatInfo *info;
1093 str = gst_pb_utils_get_codec_description (tmp);
1094 info = find_format_info (tmp);
1095 if (info != NULL && (info->flags & FLAG_CONTAINER) != 0) {
1096 ret = g_strdup_printf (_("%s muxer"), str);
1098 ret = g_strdup_printf (_("%s encoder"), str);
1103 gst_caps_unref (tmp);
1109 * gst_pb_utils_get_element_description:
1110 * @factory_name: the name of the element, e.g. "giosrc"
1112 * Returns a localised string describing the given element, for use in
1113 * error dialogs or other messages to be seen by the user. Should never
1114 * return NULL unless @factory_name is invalid.
1116 * This function is mainly for internal use, applications would typically
1117 * use gst_missing_plugin_message_get_description() to get a description of
1118 * a missing feature from a missing-plugin message.
1120 * Returns: a newly-allocated description string, or NULL on error. Free
1121 * string with g_free() when not needed any longer.
1124 gst_pb_utils_get_element_description (const gchar * factory_name)
1128 g_return_val_if_fail (factory_name != NULL, NULL);
1130 gst_pb_utils_init_locale_text_domain ();
1132 ret = g_strdup_printf (_("GStreamer element %s"), factory_name);
1133 if (ret && g_str_has_prefix (ret, factory_name))
1134 *ret = g_ascii_toupper (*ret);
1140 * gst_pb_utils_add_codec_description_to_tag_list:
1141 * @taglist: a #GstTagList
1142 * @codec_tag: (allow-none): a GStreamer codec tag such as #GST_TAG_AUDIO_CODEC,
1143 * #GST_TAG_VIDEO_CODEC or #GST_TAG_CODEC. If none is specified,
1144 * the function will attempt to detect the appropriate category.
1145 * @caps: the (fixed) #GstCaps for which a codec tag should be added.
1147 * Adds a codec tag describing the format specified by @caps to @taglist.
1149 * Returns: TRUE if a codec tag was added, FALSE otherwise.
1152 gst_pb_utils_add_codec_description_to_tag_list (GstTagList * taglist,
1153 const gchar * codec_tag, const GstCaps * caps)
1155 const FormatInfo *info;
1158 g_return_val_if_fail (taglist != NULL, FALSE);
1159 g_return_val_if_fail (GST_IS_TAG_LIST (taglist), FALSE);
1160 g_return_val_if_fail (codec_tag == NULL || (gst_tag_exists (codec_tag)
1161 && gst_tag_get_type (codec_tag) == G_TYPE_STRING), FALSE);
1162 g_return_val_if_fail (caps != NULL, FALSE);
1163 g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
1165 info = find_format_info (caps);
1169 /* Attempt to find tag classification */
1170 if (codec_tag == NULL) {
1171 if (info->flags & FLAG_CONTAINER)
1172 codec_tag = GST_TAG_CONTAINER_FORMAT;
1173 else if (info->flags & FLAG_AUDIO)
1174 codec_tag = GST_TAG_AUDIO_CODEC;
1175 else if (info->flags & FLAG_VIDEO)
1176 codec_tag = GST_TAG_VIDEO_CODEC;
1177 else if (info->flags & FLAG_SUB)
1178 codec_tag = GST_TAG_SUBTITLE_CODEC;
1180 codec_tag = GST_TAG_CODEC;
1183 desc = format_info_get_desc (info, caps);
1184 gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, codec_tag, desc, NULL);
1191 * gst_pb_utils_get_codec_description:
1192 * @caps: the (fixed) #GstCaps for which an format description is needed
1194 * Returns a localised (as far as this is possible) string describing the
1195 * media format specified in @caps, for use in error dialogs or other messages
1196 * to be seen by the user. Should never return NULL unless @caps is invalid.
1198 * Also see the convenience function
1199 * gst_pb_utils_add_codec_description_to_tag_list().
1201 * Returns: a newly-allocated description string, or NULL on error. Free
1202 * string with g_free() when not needed any longer.
1205 gst_pb_utils_get_codec_description (const GstCaps * caps)
1207 const FormatInfo *info;
1211 g_return_val_if_fail (caps != NULL, NULL);
1212 g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
1213 tmp = copy_and_clean_caps (caps);
1214 g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL);
1216 info = find_format_info (tmp);
1219 str = format_info_get_desc (info, tmp);
1221 str = gst_caps_to_string (tmp);
1223 /* cut off everything after the media type, if there is anything */
1224 if ((comma = strchr (str, ','))) {
1227 /* we could do something more elaborate here, like taking into account
1228 * audio/, video/, image/ and application/ prefixes etc. */
1231 GST_WARNING ("No description available for media type: %s", str);
1233 gst_caps_unref (tmp);
1238 /* internal helper functions for gst_encoding_profile_get_file_extension() */
1239 const gchar *pb_utils_get_file_extension_from_caps (const GstCaps * caps);
1240 gboolean pb_utils_is_tag (const GstCaps * caps);
1243 pb_utils_get_file_extension_from_caps (const GstCaps * caps)
1245 const FormatInfo *info;
1246 const gchar *ext = NULL;
1247 GstCaps *stripped_caps;
1249 g_assert (GST_IS_CAPS (caps));
1251 stripped_caps = copy_and_clean_caps (caps);
1253 g_assert (gst_caps_is_fixed (stripped_caps));
1255 info = find_format_info (stripped_caps);
1257 if (info && info->ext[0] != '\0') {
1259 } else if (info && info->desc == NULL) {
1260 const GstStructure *s;
1262 s = gst_caps_get_structure (stripped_caps, 0);
1264 /* cases where we have to evaluate the caps more closely */
1265 if (strcmp (info->type, "audio/mpeg") == 0) {
1266 int version = 0, layer = 3;
1268 if (gst_structure_get_int (s, "mpegversion", &version)) {
1269 if (version == 2 || version == 4) {
1271 } else if (version == 1) {
1272 gst_structure_get_int (s, "layer", &layer);
1275 else if (layer == 2)
1284 gst_caps_unref (stripped_caps);
1289 pb_utils_is_tag (const GstCaps * caps)
1291 const FormatInfo *info;
1292 GstCaps *stripped_caps;
1293 gboolean is_tag = FALSE;
1295 g_assert (GST_IS_CAPS (caps));
1297 stripped_caps = copy_and_clean_caps (caps);
1299 g_assert (gst_caps_is_fixed (stripped_caps));
1301 info = find_format_info (stripped_caps);
1304 is_tag = (info->flags & FLAG_TAG) != 0;
1306 gst_caps_unref (stripped_caps);
1313 gst_pb_utils_list_all (void)
1317 g_print ("static const gchar *caps_strings[] = { ");
1319 for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
1320 if (formats[i].desc != NULL)
1321 g_print (" \"%s\", ", formats[i].type);
1323 g_print ("\n#if 0\n");
1324 for (i = 0; i < G_N_ELEMENTS (formats); ++i) {
1325 if (formats[i].desc == NULL)
1326 g_print (" \"%s\", \n", formats[i].type);
1328 g_print ("\n#endif\n");