/* GStreamer Plugins Base utils library source/sink/codec description support * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:gstpbutilsdescriptions * @title: Descriptions * @short_description: Provides human-readable descriptions for caps/codecs * and encoder, decoder, URI source and URI sink elements * * The above functions provide human-readable strings for media formats * and decoder/demuxer/depayloader/encoder/muxer/payloader elements for use * in error dialogs or other messages shown to users. * * gst_pb_utils_add_codec_description_to_tag_list() is a utility function * for demuxer and decoder elements to add audio/video codec tags from a * given (fixed) #GstCaps. * */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "gst/gst-i18n-plugin.h" #include <gst/audio/audio.h> #include <gst/video/video.h> #include "pbutils.h" #include "pbutils-private.h" #include <string.h> typedef enum { FLAG_SYSTEMSTREAM = (1 << 0), /* match record only if caps have systemstream=true */ FLAG_CONTAINER = (1 << 1), /* format is a container format (muxed) */ FLAG_AUDIO = (1 << 2), /* format is an audio format, or audio container/tag */ FLAG_VIDEO = (1 << 3), /* format is a video format, or video container/tag */ FLAG_IMAGE = (1 << 4), /* format is an image format, or image container/tag */ FLAG_SUB = (1 << 5), /* format is a subtitle format, or subtitle container */ FLAG_TAG = (1 << 6), /* format is a tag/container */ FLAG_GENERIC = (1 << 7) /* format is a generic container (e.g. multipart) */ } FormatFlags; typedef struct { const gchar *type; const gchar *desc; FormatFlags flags:24; gchar ext[5]; /* file extension */ } FormatInfo; #define AV_CONTAINER (FLAG_CONTAINER | FLAG_AUDIO | FLAG_VIDEO) #define AVS_CONTAINER (AV_CONTAINER | FLAG_SUB) #define AVI_CONTAINER (AV_CONTAINER | FLAG_IMAGE) #define AVIS_CONTAINER (AV_CONTAINER | FLAG_IMAGE | FLAG_SUB) #define AUDIO_CONTAINER (FLAG_CONTAINER | FLAG_AUDIO) #define VIDEO_CONTAINER (FLAG_CONTAINER | FLAG_VIDEO) #define AUDIO_TAG (AUDIO_CONTAINER | FLAG_TAG) static const FormatInfo formats[] = { /* container/tag formats with static descriptions */ /* FIXME: does anyone use oga in practice? */ {"audio/ogg", "Ogg", AUDIO_CONTAINER, "ogg"}, {"audio/webm", "WebM", AUDIO_CONTAINER, "webm"}, {"audio/x-matroska", "Matroska", AUDIO_CONTAINER, "mka"}, {"application/gxf", "General Exchange Format (GXF)", AVI_CONTAINER, "gxf"}, {"application/ogg", "Ogg", AVIS_CONTAINER, "ogg"}, {"application/kate", "Ogg", FLAG_CONTAINER | FLAG_SUB, "ogg"}, {"application/mxf", "Material eXchange Format (MXF)", AVIS_CONTAINER, "mxf"}, {"application/vnd.rn-realmedia", "Realmedia", AV_CONTAINER, "rm"}, {"application/x-id3", N_("ID3 tag"), AUDIO_TAG, ""}, {"application/x-ape", N_("APE tag"), AUDIO_TAG, ""}, {"application/x-apetag", N_("APE tag"), AUDIO_TAG, ""}, {"application/x-icy", N_("ICY internet radio"), AUDIO_TAG, ""}, {"application/x-3gp", "3GP", AV_CONTAINER, "3gp"}, {"application/x-pn-realaudio", "RealAudio", AUDIO_CONTAINER, "ra"}, {"application/x-yuv4mpeg", "Y4M", VIDEO_CONTAINER, "y4m"}, {"multipart/x-mixed-replace", "Multipart", FLAG_CONTAINER | FLAG_GENERIC, ""}, {"video/ogg", "Ogg", AVIS_CONTAINER, "ogv"}, {"video/x-fli", "FLI/FLC/FLX Animation", VIDEO_CONTAINER, "fli"}, {"video/x-flv", "Flash", AV_CONTAINER, "flv"}, {"video/x-matroska", "Matroska", AVIS_CONTAINER, "mkv"}, /* FIXME: does anyone use .mk3d in practice, rather than .mkv? */ {"video/x-matroska-3d", "Matroska", AVIS_CONTAINER, "mk3d"}, {"video/webm", "WebM", AVS_CONTAINER, "webm"}, {"video/x-ms-asf", "Advanced Streaming Format (ASF)", AVIS_CONTAINER, "asf"}, {"video/x-msvideo", "Audio Video Interleave (AVI)", AVIS_CONTAINER, "avi"}, {"video/x-quicktime", "Quicktime", AVIS_CONTAINER, "mov"}, {"video/quicktime", "Quicktime", AVIS_CONTAINER, "mov"}, {"video/mj2", "Motion JPEG 2000", AVIS_CONTAINER, "mj2"}, /* audio formats with static descriptions */ {"audio/x-ac3", "AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"}, {"audio/ac3", "AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"}, {"audio/x-private-ac3", "DVD AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"}, {"audio/x-private1-ac3", "DVD AC-3 (ATSC A/52)", FLAG_AUDIO, "ac3"}, {"audio/x-alaw", "A-Law", FLAG_AUDIO, ""}, {"audio/amr", "Adaptive Multi Rate (AMR)", FLAG_AUDIO, "amr"}, {"audio/AMR", "Adaptive Multi Rate (AMR)", FLAG_AUDIO, "amr"}, {"audio/AMR-WB", "Adaptive Multi Rate WideBand (AMR-WB)", FLAG_AUDIO, "amr"}, {"audio/iLBC-sh", "Internet Low Bitrate Codec (iLBC)", AUDIO_CONTAINER, "ilbc"}, {"audio/ms-gsm", "MS GSM", FLAG_AUDIO, "gsm"}, {"audio/qcelp", "QCELP", FLAG_AUDIO, ""}, {"audio/aiff", "Audio Interchange File Format (AIFF)", AUDIO_CONTAINER, "aiff"}, {"audio/x-aiff", "Audio Interchange File Format (AIFF)", AUDIO_CONTAINER, "aiff"}, {"audio/x-alac", N_("Apple Lossless Audio (ALAC)"), FLAG_AUDIO, ""}, {"audio/x-amr-nb-sh", "Adaptive Multi Rate NarrowBand (AMR-NB)", AUDIO_CONTAINER, "amr"}, {"audio/x-amr-wb-sh", "Adaptive Multi Rate WideBand (AMR-WB)", AUDIO_CONTAINER, "amr"}, {"audio/x-au", "Sun .au", AUDIO_CONTAINER, "au"}, {"audio/x-audible", "Audible Audio", AUDIO_CONTAINER, "aa"}, {"audio/x-caf", "Apple Core Audio Format", AUDIO_CONTAINER, "caf"}, {"audio/x-celt", "Constrained Energy Lapped Transform (CELT)", FLAG_AUDIO, ""}, {"audio/x-cinepak", "Cinepak Audio", FLAG_AUDIO, ""}, {"audio/x-dpcm", "DPCM", FLAG_AUDIO, ""}, {"audio/x-dts", "DTS", FLAG_AUDIO, "dts"}, {"audio/x-private1-dts", "DTS", FLAG_AUDIO, "dts"}, {"audio/x-dv", "DV Audio", FLAG_AUDIO, ""}, {"audio/x-eac3", "E-AC-3 (ATSC A/52B)", FLAG_AUDIO, "eac3"}, {"audio/x-flac", N_("Free Lossless Audio Codec (FLAC)"), FLAG_AUDIO, "flac"}, {"audio/x-gsm", "GSM", FLAG_AUDIO, "gsm"}, {"audio/x-iec958", "S/PDIF IEC958", 0, ""}, /* TODO: check description */ {"audio/x-iLBC", "Internet Low Bitrate Codec (iLBC)", FLAG_AUDIO, "ilbc"}, {"audio/x-ircam", "Berkeley/IRCAM/CARL", FLAG_AUDIO, ""}, {"audio/x-lpcm", "LPCM", FLAG_AUDIO, ""}, {"audio/x-private1-lpcm", "DVD LPCM", FLAG_AUDIO, ""}, {"audio/x-m4a", "MPEG-4 AAC", FLAG_CONTAINER, "m4a"}, {"audio/x-mod", "Module Music Format (MOD)", FLAG_AUDIO, "mod"}, {"audio/x-mulaw", "Mu-Law", FLAG_AUDIO, ""}, {"audio/x-musepack", "Musepack (MPC)", FLAG_AUDIO, "mpc"}, {"audio/x-nellymoser", "Nellymoser Asao", FLAG_AUDIO, ""}, {"audio/x-nist", "Sphere NIST", FLAG_AUDIO, ""}, {"audio/x-nsf", "Nintendo NSF", FLAG_AUDIO, ""}, {"audio/x-opus", "Opus", FLAG_AUDIO, ""}, {"audio/x-paris", "Ensoniq PARIS", FLAG_AUDIO, ""}, {"audio/x-qdm", "QDesign Music (QDM)", FLAG_AUDIO, ""}, {"audio/x-qdm2", "QDesign Music (QDM) 2", FLAG_AUDIO, ""}, {"audio/x-ralf-mpeg4-generic", "Real Audio Lossless (RALF)", FLAG_AUDIO, ""}, {"audio/x-rf64", "Broadcast Wave Format", AUDIO_CONTAINER, "rf64"}, {"audio/x-sbc", "Low Complexity Subband Coding", FLAG_AUDIO, "sbc"}, {"audio/x-sds", "Midi Sample Dump Standard", FLAG_AUDIO, ""}, {"audio/x-shorten", "Shorten Lossless", FLAG_AUDIO, "shn"}, {"audio/x-sid", "Sid", FLAG_AUDIO, "sid"}, {"audio/x-sipro", "Sipro/ACELP.NET Voice", FLAG_AUDIO, ""}, {"audio/x-siren", "Siren", FLAG_AUDIO, ""}, {"audio/x-spc", "SNES-SPC700 Sound File Data", FLAG_AUDIO, "spc"}, {"audio/x-speex", "Speex", FLAG_AUDIO, ""}, {"audio/x-svx", "Amiga IFF / SVX8 / SV16", FLAG_AUDIO, ""}, {"audio/x-true-hd", "Dolby TrueHD", FLAG_AUDIO, ""}, {"audio/x-tta", N_("Lossless True Audio (TTA)"), FLAG_AUDIO, "tta"}, {"audio/x-ttafile", N_("Lossless True Audio (TTA)"), FLAG_AUDIO, "tta"}, {"audio/x-vnd.sony.atrac3", "Sony ATRAC3", FLAG_AUDIO, ""}, {"audio/x-vorbis", "Vorbis", FLAG_AUDIO, ""}, {"audio/x-voc", "SoundBlaster VOC", FLAG_AUDIO, ""}, {"audio/x-w64", "Sonic Foundry Wave64", AUDIO_CONTAINER, "w64"}, {"audio/x-wav", "WAV", AUDIO_CONTAINER, "wav"}, {"audio/x-wavpack", "Wavpack", FLAG_AUDIO, "wp"}, {"audio/x-wavpack-correction", "Wavpack", 0, "wpc"}, {"audio/x-wms", N_("Windows Media Speech"), FLAG_AUDIO, ""}, {"audio/x-voxware", "Voxware", FLAG_AUDIO, ""}, {"audio/x-xi", "Fasttracker 2 Extended Instrument", FLAG_AUDIO, "xi"}, /* video formats with static descriptions */ {"video/sp5x", "Sunplus JPEG 5.x", FLAG_VIDEO, ""}, {"video/vivo", "Vivo", FLAG_VIDEO, ""}, {"video/x-4xm", "4X Technologies Video", FLAG_VIDEO, ""}, {"video/x-apple-video", "Apple video", FLAG_VIDEO, ""}, {"video/x-aasc", "Autodesk Animator", FLAG_VIDEO, ""}, {"video/x-camtasia", "TechSmith Camtasia", FLAG_VIDEO, ""}, {"video/x-cavs", "Chinese AVS (CAVS)", FLAG_VIDEO, ""}, {"video/x-cdxa", "RIFF/CDXA (VCD)", AV_CONTAINER, ""}, {"video/x-cinepak", "Cinepak Video", FLAG_VIDEO, ""}, {"video/x-cirrus-logic-accupak", "Cirrus Logipak AccuPak", FLAG_VIDEO, ""}, {"video/x-compressed-yuv", N_("CYUV Lossless"), FLAG_VIDEO, ""}, {"video/x-dnxhd", "Digital Nonlinear Extensible High Definition (DNxHD)", FLAG_VIDEO, ""}, {"subpicture/x-dvd", "DVD subpicture", FLAG_VIDEO, ""}, {"video/x-ffv", N_("FFMpeg v1"), FLAG_VIDEO, ""}, {"video/x-flash-screen", "Flash Screen Video", FLAG_VIDEO, ""}, {"video/x-flash-video", "Sorenson Spark Video", FLAG_VIDEO, ""}, {"video/x-h261", "H.261", FLAG_VIDEO, ""}, {"video/x-huffyuv", "Huffyuv", FLAG_VIDEO, ""}, {"video/x-intel-h263", "Intel H.263", FLAG_VIDEO, ""}, {"video/x-jpeg", "Motion JPEG", FLAG_VIDEO, ""}, /* { "video/x-jpeg-b", "", 0 }, does this actually exist? */ {"video/x-loco", "LOCO Lossless", FLAG_VIDEO, ""}, {"video/x-mimic", "MIMIC", FLAG_VIDEO, ""}, {"video/x-mjpeg", "Motion-JPEG", FLAG_VIDEO, ""}, {"video/x-mjpeg-b", "Motion-JPEG format B", FLAG_VIDEO, ""}, {"video/mpegts", "MPEG-2 Transport Stream", AVS_CONTAINER, "ts"}, {"video/x-mng", "Multiple Image Network Graphics (MNG)", FLAG_VIDEO, ""}, {"video/x-mszh", N_("Lossless MSZH"), FLAG_VIDEO, ""}, {"video/x-msvideocodec", "Microsoft Video 1", FLAG_VIDEO, ""}, {"video/x-mve", "Interplay MVE", AV_CONTAINER, "mve"}, {"video/x-nut", "NUT", AV_CONTAINER, "nut"}, {"video/x-nuv", "MythTV NuppelVideo (NUV)", AV_CONTAINER, "nuv"}, {"video/x-prores", "Apple ProRes", FLAG_VIDEO, ""}, {"video/x-qdrw", "Apple QuickDraw", FLAG_VIDEO, ""}, {"video/x-smc", "Apple SMC", FLAG_VIDEO, ""}, {"video/x-smoke", "Smoke", FLAG_VIDEO, ""}, {"video/x-tarkin", "Tarkin", FLAG_VIDEO, ""}, {"video/x-theora", "Theora", FLAG_VIDEO, ""}, {"video/x-rle", N_("Run-length encoding"), FLAG_VIDEO, ""}, {"video/x-ultimotion", "IBM UltiMotion", FLAG_VIDEO, ""}, {"video/x-vcd", "VideoCD (VCD)", 0}, {"video/x-vmnc", "VMWare NC", FLAG_VIDEO, ""}, {"video/x-vp3", "On2 VP3", FLAG_VIDEO, ""}, {"video/x-vp5", "On2 VP5", FLAG_VIDEO, ""}, {"video/x-vp6", "On2 VP6", FLAG_VIDEO, ""}, {"video/x-vp6-flash", "On2 VP6/Flash", FLAG_VIDEO, ""}, {"video/x-vp6-alpha", "On2 VP6 with alpha", FLAG_VIDEO, ""}, {"video/x-vp7", "On2 VP7", FLAG_VIDEO, ""}, {"video/x-vp8", "VP8", FLAG_VIDEO, ""}, {"video/x-vp9", "VP9", FLAG_VIDEO, ""}, {"video/x-zlib", "Lossless zlib video", FLAG_VIDEO, ""}, {"video/x-zmbv", "Zip Motion Block video", FLAG_VIDEO, ""}, /* image formats with static descriptions */ {"image/bmp", "BMP", FLAG_IMAGE, "bmp"}, {"image/x-bmp", "BMP", FLAG_IMAGE, "bmp"}, {"image/x-MS-bmp", "BMP", FLAG_IMAGE, "bmp"}, {"image/gif", "GIF", FLAG_IMAGE, "gif"}, {"image/jpeg", "JPEG", FLAG_IMAGE | FLAG_VIDEO, "jpg"}, {"image/jng", "JPEG Network Graphics (JNG)", FLAG_IMAGE, ""}, {"image/png", "PNG", FLAG_VIDEO | FLAG_IMAGE, "png"}, {"image/pbm", "Portable BitMap (PBM)", FLAG_IMAGE, "pbm"}, {"image/ppm", "Portable PixMap (PPM)", FLAG_IMAGE, "ppm"}, {"image/svg+xml", "Scalable Vector Graphics (SVG)", FLAG_IMAGE, "svg"}, {"image/tiff", "TIFF", FLAG_IMAGE, "tiff"}, {"image/x-cmu-raster", "CMU Raster Format", FLAG_IMAGE, ""}, {"image/x-degas", "DEGAS", FLAG_IMAGE, ""}, {"image/x-icon", "ICO", FLAG_IMAGE, "ico"}, {"image/x-j2c", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""}, {"image/x-jpc", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""}, {"image/jp2", "JPEG 2000", FLAG_VIDEO | FLAG_IMAGE, ""}, {"image/x-pcx", "PCX", FLAG_IMAGE, ""}, {"image/x-xcf", "XFC", FLAG_IMAGE, ""}, {"image/x-pixmap", "XPM", FLAG_IMAGE, "xpm"}, {"image/x-portable-anymap", "Portable AnyMap (PNM)", FLAG_IMAGE, "pnm"}, {"image/x-portable-graymap", "Portable GrayMap (PGM)", FLAG_IMAGE, "pgm"}, {"image/x-xpixmap", "XPM", FLAG_IMAGE, "xpm"}, {"image/x-quicktime", "QuickTime Image Format (QTIF)", FLAG_IMAGE | FLAG_CONTAINER, ".mov"}, {"image/x-sun-raster", "Sun Raster Format (RAS)", FLAG_IMAGE, ""}, {"image/x-tga", "TGA", FLAG_IMAGE, "tga"}, {"image/vnd.wap.wbmp", "Wireless Bitmap", FLAG_IMAGE, "wbmp"}, /* subtitle formats with static descriptions */ {"text/x-raw", N_("Timed Text"), FLAG_SUB, ""}, {"application/x-ssa", "SubStation Alpha", FLAG_SUB, ""}, {"application/x-ass", "Advanced SubStation Alpha", FLAG_SUB, ""}, /* FIXME: add variant field to typefinder? */ {"application/x-subtitle", N_("Subtitle"), FLAG_SUB, ""}, {"application/x-subtitle-mpl2", N_("MPL2 subtitle format"), FLAG_SUB, ""}, {"application/x-subtitle-dks", N_("DKS subtitle format"), FLAG_SUB, ""}, {"application/x-subtitle-qttext", N_("QTtext subtitle format"), FLAG_SUB, ""}, {"application/x-subtitle-sami", N_("Sami subtitle format"), FLAG_SUB, ""}, {"application/x-subtitle-tmplayer", N_("TMPlayer subtitle format"), FLAG_SUB, ""}, {"application/x-teletext", "Teletext", 0, ""}, {"application/x-kate", "Kate", 0, ""}, {"closedcaption/x-cea-608", N_("CEA 608 Closed Caption"), FLAG_SUB, ""}, {"closedcaption/x-cea-708", N_("CEA 708 Closed Caption"), FLAG_SUB, ""}, {"subtitle/x-kate", N_("Kate subtitle format"), FLAG_SUB, ""}, {"application/x-subtitle-vtt", N_("WebVTT subtitle format"), FLAG_SUB, ""}, {"subpicture/x-dvb", "DVB subtitles", FLAG_SUB, ""}, {"subpicture/x-pgs", "PGS subtitles", FLAG_SUB, ""}, {"subpicture/x-xsub", "XSUB subtitles", FLAG_SUB, ""}, /* non-audio/video/container formats */ {"hdv/aux-v", "HDV AUX-V", 0, ""}, {"hdv/aux-a", "HDV AUX-A", 0, ""}, /* formats with dynamic descriptions */ {"audio/mpeg", NULL, FLAG_AUDIO, ""}, {"audio/x-adpcm", NULL, FLAG_AUDIO, ""}, {"audio/x-mace", NULL, FLAG_AUDIO, ""}, {"audio/x-pn-realaudio", NULL, FLAG_AUDIO, ""}, {"audio/x-raw", NULL, FLAG_AUDIO, ""}, {"audio/x-wma", NULL, FLAG_AUDIO, ""}, {"video/mpeg", NULL, AVS_CONTAINER | FLAG_SYSTEMSTREAM, "mpg"}, {"video/mpeg", NULL, FLAG_VIDEO, ""}, {"video/x-asus", NULL, FLAG_VIDEO, ""}, {"video/x-ati-vcr", NULL, FLAG_VIDEO, ""}, {"video/x-dirac", NULL, FLAG_VIDEO, ""}, {"video/x-divx", NULL, FLAG_VIDEO, ""}, {"video/x-dv", "Digital Video (DV) System Stream", FLAG_CONTAINER | FLAG_SYSTEMSTREAM, "dv"}, {"video/x-dv", "Digital Video (DV)", FLAG_VIDEO, ""}, {"video/x-h263", NULL, FLAG_VIDEO, "h263"}, {"video/x-h264", NULL, FLAG_VIDEO, "h264"}, {"video/x-h265", NULL, FLAG_VIDEO, "h265"}, {"video/x-indeo", NULL, FLAG_VIDEO, ""}, {"video/x-msmpeg", NULL, FLAG_VIDEO, ""}, {"video/x-pn-realvideo", NULL, FLAG_VIDEO, ""}, #if 0 /* do these exist? are they used anywhere? */ {"video/x-pn-multirate-realvideo", NULL, 0}, {"audio/x-pn-multirate-realaudio", NULL, 0}, {"audio/x-pn-multirate-realaudio-live", NULL, 0}, #endif {"video/x-truemotion", NULL, FLAG_VIDEO, ""}, {"video/x-raw", NULL, FLAG_VIDEO, ""}, {"video/x-svq", NULL, FLAG_VIDEO, ""}, {"video/x-wmv", NULL, FLAG_VIDEO, ""}, {"video/x-xan", NULL, FLAG_VIDEO, ""}, {"video/x-tscc", NULL, FLAG_VIDEO, ""} }; static const gchar * pbutils_desc_get_profile_name_from_nick (const gchar * map, gsize map_len, const gchar * nick) { const gchar *end = map + map_len; const gchar *p; p = map; while (*p != '\0' && p < end) { guint len = strlen (p); if (strcmp (p, nick) == 0) return p + len + 1; p += len + 1; p += strlen (p) + 1; } return NULL; } static const gchar * pbutils_desc_get_mpeg2v_profile_name_from_nick (const gchar * nick) { static const gchar map[] = "simple\000Simple\000main\000Main\000high\000High\000"; return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick); } static const gchar * pbutils_desc_get_mpeg4v_profile_name_from_nick (const gchar * nick) { static const gchar map[] = "simple\000Simple\000" "simple-scalable\000Simple Scalable\000" "core\000Core\000" "main\000Main\000" "n-bit\000N-bit\000" "scalable\000Scalable\000" "hybrid\000Hybrid\000" "advanced-real-time-simple\000Advanced Real-Time Simple\000" "core-scalable\000Core-Scalable\000" "advanced-coding-efficiency\000Advanced Coding Efficiency\000" "advanced-core\000Advanced Core\000" "advanced-scalable-texture\000Advanced Scalable Texture\000" "simple-face\000Simple Face Animation\000" "simple-fba\000Simple FBA\000" "simple-studio\000Simple Studio\000" "core-studio\000Core Studio\000" "advanced-simple\000Advanced Simple\000" "fine-granularity-scalable\000Fine Granularity Scalable\000" "basic-animated-texture\000Basic Animated Texture\000" "baseline\000Baseline Profile\000"; return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick); } static const gchar * pbutils_desc_get_h264_profile_name_from_nick (const gchar * nick) { static const gchar map[] = "baseline\000Baseline\000" "constrained-baseline\000Constrained Baseline\000" "main\000Main\000" "extended\000Extended\000" "high\000High\000" "high-10-intra\000High 10 Intra\000" "high-10\000High 10\000" "high-4:2:2-intra\000High 4:2:2 Intra\000" "high-4:2:2\000High 4:2:2\000" "high-4:4:4-intra\000High 4:4:4 Intra\000" "high-4:4:4\000High 4:4:4\000" "cavlc-4:4:4-intra\000CAVLC 4:4:4 Intra\000" "multiview-high\000Multiview High\000" "stereo-high\000Stereo High\000" "scalable-constrained-baseline\000Scalable Constrained Baseline\000" "scalable-baseline\000Scalable Baseline\000" "scalable-high\000Scalable High\000"; return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick); } static const gchar * pbutils_desc_get_h265_profile_name_from_nick (const gchar * nick) { static const gchar map[] = "main\000Main\000" "main-10\000Main 10\000" "main-12\000Main 12\000" "main-4:2:2-10\000Main 4:2:2 10\000" "main-4:2:2-12\000Main 4:2:2 12\000" "main-4:4:4\000Main 4:4:4\000" "main-4:4:4-10\000Main 4:4:4 10\000" "main-4:4:4-12\000Main 4:4:4 12\000" "main-4:4:4-16-intra\000Main 4:4:4 16 Intra\000" "main-still-picture\000Main Still Picture\000"; return pbutils_desc_get_profile_name_from_nick (map, sizeof (map), nick); } /* returns static descriptions and dynamic ones (such as video/x-raw), * or NULL if caps aren't known at all */ static gchar * format_info_get_desc (const FormatInfo * info, const GstCaps * caps) { const GstStructure *s; g_assert (info != NULL); gst_pb_utils_init_locale_text_domain (); if (info->desc != NULL) return g_strdup (_(info->desc)); s = gst_caps_get_structure (caps, 0); if (strcmp (info->type, "video/x-raw") == 0) { gchar *ret = NULL; const gchar *str = 0; GstVideoFormat format; const GstVideoFormatInfo *finfo; str = gst_structure_get_string (s, "format"); if (str == NULL) return g_strdup (_("Uncompressed video")); format = gst_video_format_from_string (str); if (format == GST_VIDEO_FORMAT_UNKNOWN) return g_strdup (_("Uncompressed video")); finfo = gst_video_format_get_info (format); if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) { ret = g_strdup (_("Uncompressed gray")); } else if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) { const gchar *subs; gint w_sub, h_sub, n_semi; w_sub = GST_VIDEO_FORMAT_INFO_W_SUB (finfo, 1); h_sub = GST_VIDEO_FORMAT_INFO_H_SUB (finfo, 1); if (w_sub == 1 && h_sub == 1) { subs = "4:4:4"; } else if (w_sub == 2 && h_sub == 1) { subs = "4:2:2"; } else if (w_sub == 2 && h_sub == 2) { subs = "4:2:0"; } else if (w_sub == 4 && h_sub == 1) { subs = "4:1:1"; } else { subs = ""; } n_semi = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo) ? 3 : 2; if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == 1) { ret = g_strdup_printf (_("Uncompressed packed YUV %s"), subs); } else if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == n_semi) { ret = g_strdup_printf (_("Uncompressed semi-planar YUV %s"), subs); } else { ret = g_strdup_printf (_("Uncompressed planar YUV %s"), subs); } } else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) { gboolean alpha, palette; gint bits; alpha = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo); palette = GST_VIDEO_FORMAT_INFO_HAS_PALETTE (finfo); bits = GST_VIDEO_FORMAT_INFO_BITS (finfo); if (palette) { ret = g_strdup_printf (_("Uncompressed palettized %d-bit %s"), bits, alpha ? "RGBA" : "RGB"); } else { ret = g_strdup_printf (_("Uncompressed %d-bit %s"), bits, alpha ? "RGBA" : "RGB"); } } else { ret = g_strdup (_("Uncompressed video")); } return ret; } else if (strcmp (info->type, "video/x-h263") == 0) { const gchar *variant, *ret; variant = gst_structure_get_string (s, "variant"); if (variant == NULL) ret = "H.263"; else if (strcmp (variant, "itu") == 0) ret = "ITU H.26n"; /* why not ITU H.263? (tpm) */ else if (strcmp (variant, "lead") == 0) ret = "Lead H.263"; else if (strcmp (variant, "microsoft") == 0) ret = "Microsoft H.263"; else if (strcmp (variant, "vdolive") == 0) ret = "VDOLive"; else if (strcmp (variant, "vivo") == 0) ret = "Vivo H.263"; else if (strcmp (variant, "xirlink") == 0) ret = "Xirlink H.263"; else { GST_WARNING ("Unknown H263 variant '%s'", variant); ret = "H.263"; } return g_strdup (ret); } else if (strcmp (info->type, "video/x-h264") == 0) { const gchar *variant, *ret; const gchar *profile; variant = gst_structure_get_string (s, "variant"); if (variant == NULL) ret = "H.264"; else if (strcmp (variant, "itu") == 0) ret = "ITU H.264"; else if (strcmp (variant, "videosoft") == 0) ret = "Videosoft H.264"; else if (strcmp (variant, "lead") == 0) ret = "Lead H.264"; else { GST_WARNING ("Unknown H264 variant '%s'", variant); ret = "H.264"; } /* profile */ profile = gst_structure_get_string (s, "profile"); if (profile != NULL) profile = pbutils_desc_get_h264_profile_name_from_nick (profile); if (profile == NULL) return g_strdup (ret); return g_strdup_printf ("%s (%s Profile)", ret, profile); } else if (strcmp (info->type, "video/x-h265") == 0) { const gchar *profile = gst_structure_get_string (s, "profile"); if (profile != NULL) profile = pbutils_desc_get_h265_profile_name_from_nick (profile); if (profile != NULL) return g_strdup_printf ("H.265 (%s Profile)", profile); return g_strdup ("H.265"); } else if (strcmp (info->type, "video/x-dirac") == 0) { const gchar *profile = gst_structure_get_string (s, "profile"); if (profile == NULL) return g_strdup ("Dirac"); if (strcmp (profile, "vc2-low-delay") == 0) return g_strdup_printf ("Dirac (%s)", "VC-2 Low Delay Profile"); else if (strcmp (profile, "vc2-simple") == 0) return g_strdup_printf ("Dirac (%s)", "VC-2 Simple Profile"); else if (strcmp (profile, "vc2-main") == 0) return g_strdup_printf ("Dirac (%s)", "VC-2 Main Profile"); else return g_strdup ("Dirac"); } else if (strcmp (info->type, "video/x-divx") == 0) { gint ver = 0; if (!gst_structure_get_int (s, "divxversion", &ver) || ver <= 2) { GST_WARNING ("Unexpected DivX version in %" GST_PTR_FORMAT, caps); return g_strdup ("DivX MPEG-4"); } return g_strdup_printf (_("DivX MPEG-4 Version %d"), ver); } else if (strcmp (info->type, "video/x-msmpeg") == 0) { gint ver = 0; if (!gst_structure_get_int (s, "msmpegversion", &ver) || ver < 40 || ver > 49) { GST_WARNING ("Unexpected msmpegversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Microsoft MPEG-4 4.x"); } return g_strdup_printf ("Microsoft MPEG-4 4.%d", ver % 10); } else if (strcmp (info->type, "video/x-truemotion") == 0) { gint ver = 0; gst_structure_get_int (s, "trueversion", &ver); switch (ver) { case 1: return g_strdup_printf ("Duck TrueMotion 1"); case 2: return g_strdup_printf ("TrueMotion 2.0"); default: GST_WARNING ("Unexpected trueversion in %" GST_PTR_FORMAT, caps); break; } return g_strdup_printf ("TrueMotion"); } else if (strcmp (info->type, "video/x-xan") == 0) { gint ver = 0; if (!gst_structure_get_int (s, "wcversion", &ver) || ver < 1) { GST_WARNING ("Unexpected wcversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Xan Wing Commander"); } return g_strdup_printf ("Xan Wing Commander %u", ver); } else if (strcmp (info->type, "video/x-indeo") == 0) { gint ver = 0; if (!gst_structure_get_int (s, "indeoversion", &ver) || ver < 2) { GST_WARNING ("Unexpected indeoversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Intel Indeo"); } return g_strdup_printf ("Intel Indeo %u", ver); } else if (strcmp (info->type, "audio/x-wma") == 0) { gint ver = 0; gst_structure_get_int (s, "wmaversion", &ver); switch (ver) { case 1: case 2: case 3: return g_strdup_printf ("Windows Media Audio %d", ver + 6); default: break; } GST_WARNING ("Unexpected wmaversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Windows Media Audio"); } else if (strcmp (info->type, "video/x-wmv") == 0) { gint ver = 0; const gchar *str; gst_structure_get_int (s, "wmvversion", &ver); str = gst_structure_get_string (s, "format"); switch (ver) { case 1: case 2: case 3: if (str && strncmp (str, "MSS", 3)) { return g_strdup_printf ("Windows Media Video %d Screen", ver + 6); } else { return g_strdup_printf ("Windows Media Video %d", ver + 6); } default: break; } GST_WARNING ("Unexpected wmvversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Windows Media Video"); } else if (strcmp (info->type, "audio/x-mace") == 0) { gint ver = 0; gst_structure_get_int (s, "maceversion", &ver); if (ver == 3 || ver == 6) { return g_strdup_printf ("MACE-%d", ver); } else { GST_WARNING ("Unexpected maceversion in %" GST_PTR_FORMAT, caps); return g_strdup ("MACE"); } } else if (strcmp (info->type, "video/x-svq") == 0) { gint ver = 0; gst_structure_get_int (s, "svqversion", &ver); if (ver == 1 || ver == 3) { return g_strdup_printf ("Sorensen Video %d", ver); } else { GST_WARNING ("Unexpected svqversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Sorensen Video"); } } else if (strcmp (info->type, "video/x-asus") == 0) { gint ver = 0; gst_structure_get_int (s, "asusversion", &ver); if (ver == 1 || ver == 2) { return g_strdup_printf ("Asus Video %d", ver); } else { GST_WARNING ("Unexpected asusversion in %" GST_PTR_FORMAT, caps); return g_strdup ("Asus Video"); } } else if (strcmp (info->type, "video/x-ati-vcr") == 0) { gint ver = 0; gst_structure_get_int (s, "vcrversion", &ver); if (ver == 1 || ver == 2) { return g_strdup_printf ("ATI VCR %d", ver); } else { GST_WARNING ("Unexpected acrversion in %" GST_PTR_FORMAT, caps); return g_strdup ("ATI VCR"); } } else if (strcmp (info->type, "audio/x-adpcm") == 0) { const GValue *layout_val; layout_val = gst_structure_get_value (s, "layout"); if (layout_val != NULL && G_VALUE_HOLDS_STRING (layout_val)) { const gchar *layout; if ((layout = g_value_get_string (layout_val))) { gchar *layout_upper, *ret; if (strcmp (layout, "swf") == 0) return g_strdup ("Shockwave ADPCM"); if (strcmp (layout, "microsoft") == 0) return g_strdup ("Microsoft ADPCM"); if (strcmp (layout, "quicktime") == 0) return g_strdup ("Quicktime ADPCM"); if (strcmp (layout, "westwood") == 0) return g_strdup ("Westwood ADPCM"); if (strcmp (layout, "yamaha") == 0) return g_strdup ("Yamaha ADPCM"); /* FIXME: other layouts: sbpro2, sbpro3, sbpro4, ct, g726, ea, * adx, xa, 4xm, smjpeg, dk4, dk3, dvi */ layout_upper = g_ascii_strup (layout, -1); ret = g_strdup_printf ("%s ADPCM", layout_upper); g_free (layout_upper); return ret; } } return g_strdup ("ADPCM"); } else if (strcmp (info->type, "audio/mpeg") == 0) { gint ver = 0, layer = 0; gst_structure_get_int (s, "mpegversion", &ver); switch (ver) { case 1: gst_structure_get_int (s, "layer", &layer); switch (layer) { case 1: case 2: case 3: return g_strdup_printf ("MPEG-1 Layer %d (MP%d)", layer, layer); default: break; } GST_WARNING ("Unexpected MPEG-1 layer in %" GST_PTR_FORMAT, caps); return g_strdup ("MPEG-1 Audio"); case 2: return g_strdup ("MPEG-2 AAC"); case 4: return g_strdup ("MPEG-4 AAC"); default: break; } GST_WARNING ("Unexpected audio mpegversion in %" GST_PTR_FORMAT, caps); return g_strdup ("MPEG Audio"); } else if (strcmp (info->type, "audio/x-pn-realaudio") == 0) { gint ver = 0; gst_structure_get_int (s, "raversion", &ver); switch (ver) { case 1: return g_strdup ("RealAudio 14k4bps"); case 2: return g_strdup ("RealAudio 28k8bps"); case 8: return g_strdup ("RealAudio G2 (Cook)"); default: break; } GST_WARNING ("Unexpected raversion in %" GST_PTR_FORMAT, caps); return g_strdup ("RealAudio"); } else if (strcmp (info->type, "video/x-pn-realvideo") == 0) { gint ver = 0; gst_structure_get_int (s, "rmversion", &ver); switch (ver) { case 1: return g_strdup ("RealVideo 1.0"); case 2: return g_strdup ("RealVideo 2.0"); case 3: return g_strdup ("RealVideo 3.0"); case 4: return g_strdup ("RealVideo 4.0"); default: break; } GST_WARNING ("Unexpected rmversion in %" GST_PTR_FORMAT, caps); return g_strdup ("RealVideo"); } else if (strcmp (info->type, "video/mpeg") == 0) { gboolean sysstream; gint ver = 0; if (!gst_structure_get_boolean (s, "systemstream", &sysstream)) { GST_WARNING ("Missing systemstream field in mpeg video caps " "%" GST_PTR_FORMAT, caps); sysstream = FALSE; } if (gst_structure_get_int (s, "mpegversion", &ver) && ver > 0 && ver <= 4) { if (sysstream) { return g_strdup_printf ("MPEG-%d System Stream", ver); } else { const gchar *profile = gst_structure_get_string (s, "profile"); if (profile != NULL) { if (ver == 4) profile = pbutils_desc_get_mpeg4v_profile_name_from_nick (profile); else if (ver == 2) profile = pbutils_desc_get_mpeg2v_profile_name_from_nick (profile); else profile = NULL; } if (profile != NULL) return g_strdup_printf ("MPEG-%d Video (%s Profile)", ver, profile); else return g_strdup_printf ("MPEG-%d Video", ver); } } GST_WARNING ("Missing mpegversion field in mpeg video caps " "%" GST_PTR_FORMAT, caps); return g_strdup ("MPEG Video"); } else if (strcmp (info->type, "audio/x-raw") == 0) { gint depth = 0; gboolean is_float; const gchar *str; GstAudioFormat format = GST_AUDIO_FORMAT_UNKNOWN; const GstAudioFormatInfo *finfo; str = gst_structure_get_string (s, "format"); if (str) format = gst_audio_format_from_string (str); if (format == GST_AUDIO_FORMAT_UNKNOWN) return g_strdup (_("Uncompressed audio")); finfo = gst_audio_format_get_info (format); depth = GST_AUDIO_FORMAT_INFO_DEPTH (finfo); is_float = GST_AUDIO_FORMAT_INFO_IS_FLOAT (finfo); return g_strdup_printf (_("Raw %d-bit %s audio"), depth, is_float ? "floating-point" : "PCM"); } else if (strcmp (info->type, "video/x-tscc") == 0) { gint version; gst_structure_get_int (s, "tsccversion", &version); switch (version) { case 1: return g_strdup ("TechSmith Screen Capture 1"); case 2: return g_strdup ("TechSmith Screen Capture 2"); default: break; } GST_WARNING ("Unexpected version in %" GST_PTR_FORMAT, caps); return g_strdup ("TechSmith Screen Capture"); } return NULL; } /* returns format info structure, will return NULL for dynamic media types! */ static const FormatInfo * find_format_info (const GstCaps * caps) { const GstStructure *s; const gchar *media_type; guint i; s = gst_caps_get_structure (caps, 0); media_type = gst_structure_get_name (s); for (i = 0; i < G_N_ELEMENTS (formats); ++i) { if (strcmp (media_type, formats[i].type) == 0) { gboolean is_sys = FALSE; if ((formats[i].flags & FLAG_SYSTEMSTREAM) == 0) return &formats[i]; /* this record should only be matched if the systemstream field is set */ if (gst_structure_get_boolean (s, "systemstream", &is_sys) && is_sys) return &formats[i]; } } return NULL; } static gboolean caps_are_rtp_caps (const GstCaps * caps, const gchar * media, gchar ** format) { const GstStructure *s; const gchar *str; g_assert (media != NULL && format != NULL); s = gst_caps_get_structure (caps, 0); if (!gst_structure_has_name (s, "application/x-rtp")) return FALSE; if (!gst_structure_has_field_typed (s, "media", G_TYPE_STRING)) return FALSE; str = gst_structure_get_string (s, "media"); if (str == NULL || !g_str_equal (str, media)) return FALSE; str = gst_structure_get_string (s, "encoding-name"); if (str == NULL || *str == '\0') return FALSE; if (strcmp (str, "X-ASF-PF") == 0) { *format = g_strdup ("Windows Media"); } else if (g_str_has_prefix (str, "X-")) { *format = g_strdup (str + 2); } else { *format = g_strdup (str); } return TRUE; } /** * gst_pb_utils_get_source_description: * @protocol: the protocol the source element needs to handle, e.g. "http" * * Returns a localised string describing a source element handling the protocol * specified in @protocol, for use in error dialogs or other messages to be * seen by the user. Should never return NULL unless @protocol is invalid. * * This function is mainly for internal use, applications would typically * use gst_missing_plugin_message_get_description() to get a description of * a missing feature from a missing-plugin message. * * Returns: a newly-allocated description string, or NULL on error. Free * string with g_free() when not needed any longer. */ gchar * gst_pb_utils_get_source_description (const gchar * protocol) { gchar *proto_uc, *ret; g_return_val_if_fail (protocol != NULL, NULL); gst_pb_utils_init_locale_text_domain (); if (strcmp (protocol, "cdda") == 0) return g_strdup (_("Audio CD source")); if (strcmp (protocol, "dvd") == 0) return g_strdup (_("DVD source")); if (strcmp (protocol, "rtsp") == 0) return g_strdup (_("Real Time Streaming Protocol (RTSP) source")); /* TODO: what about mmst, mmsu, mmsh? */ if (strcmp (protocol, "mms") == 0) return g_strdup (_("Microsoft Media Server (MMS) protocol source")); /* make protocol uppercase */ proto_uc = g_ascii_strup (protocol, -1); /* TODO: find out how to add a comment for translators to the source code * (and tell them to make the first letter uppercase below if they move * the protocol to the middle or end of the string) */ ret = g_strdup_printf (_("%s protocol source"), proto_uc); g_free (proto_uc); return ret; } /** * gst_pb_utils_get_sink_description: * @protocol: the protocol the sink element needs to handle, e.g. "http" * * Returns a localised string describing a sink element handling the protocol * specified in @protocol, for use in error dialogs or other messages to be * seen by the user. Should never return NULL unless @protocol is invalid. * * This function is mainly for internal use, applications would typically * use gst_missing_plugin_message_get_description() to get a description of * a missing feature from a missing-plugin message. * * Returns: a newly-allocated description string, or NULL on error. Free * string with g_free() when not needed any longer. */ gchar * gst_pb_utils_get_sink_description (const gchar * protocol) { gchar *proto_uc, *ret; g_return_val_if_fail (protocol != NULL, NULL); /* make protocol uppercase */ proto_uc = g_ascii_strup (protocol, -1); /* TODO: find out how to add a comment for translators to the source code * (and tell them to make the first letter uppercase below if they move * the protocol to the middle or end of the string) */ ret = g_strdup_printf ("%s protocol sink", proto_uc); g_free (proto_uc); return ret; } /** * gst_pb_utils_get_decoder_description: * @caps: the (fixed) #GstCaps for which an decoder description is needed * * Returns a localised string describing an decoder for the format specified * in @caps, for use in error dialogs or other messages to be seen by the user. * Should never return NULL unless @factory_name or @caps are invalid. * * This function is mainly for internal use, applications would typically * use gst_missing_plugin_message_get_description() to get a description of * a missing feature from a missing-plugin message. * * Returns: a newly-allocated description string, or NULL on error. Free * string with g_free() when not needed any longer. */ gchar * gst_pb_utils_get_decoder_description (const GstCaps * caps) { gchar *str, *ret; GstCaps *tmp; g_return_val_if_fail (caps != NULL, NULL); g_return_val_if_fail (GST_IS_CAPS (caps), NULL); tmp = copy_and_clean_caps (caps); g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL); gst_pb_utils_init_locale_text_domain (); /* special-case RTP caps */ if (caps_are_rtp_caps (tmp, "video", &str)) { ret = g_strdup_printf (_("%s video RTP depayloader"), str); } else if (caps_are_rtp_caps (tmp, "audio", &str)) { ret = g_strdup_printf (_("%s audio RTP depayloader"), str); } else if (caps_are_rtp_caps (tmp, "application", &str)) { ret = g_strdup_printf (_("%s RTP depayloader"), str); } else { const FormatInfo *info; str = gst_pb_utils_get_codec_description (tmp); info = find_format_info (tmp); if (info != NULL && (info->flags & FLAG_CONTAINER) != 0) { ret = g_strdup_printf (_("%s demuxer"), str); } else { ret = g_strdup_printf (_("%s decoder"), str); } } g_free (str); gst_caps_unref (tmp); return ret; } /** * gst_pb_utils_get_encoder_description: * @caps: the (fixed) #GstCaps for which an encoder description is needed * * Returns a localised string describing an encoder for the format specified * in @caps, for use in error dialogs or other messages to be seen by the user. * Should never return NULL unless @factory_name or @caps are invalid. * * This function is mainly for internal use, applications would typically * use gst_missing_plugin_message_get_description() to get a description of * a missing feature from a missing-plugin message. * * Returns: a newly-allocated description string, or NULL on error. Free * string with g_free() when not needed any longer. */ gchar * gst_pb_utils_get_encoder_description (const GstCaps * caps) { gchar *str, *ret; GstCaps *tmp; g_return_val_if_fail (caps != NULL, NULL); g_return_val_if_fail (GST_IS_CAPS (caps), NULL); tmp = copy_and_clean_caps (caps); g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL); gst_pb_utils_init_locale_text_domain (); /* special-case RTP caps */ if (caps_are_rtp_caps (tmp, "video", &str)) { ret = g_strdup_printf (_("%s video RTP payloader"), str); } else if (caps_are_rtp_caps (tmp, "audio", &str)) { ret = g_strdup_printf (_("%s audio RTP payloader"), str); } else if (caps_are_rtp_caps (tmp, "application", &str)) { ret = g_strdup_printf (_("%s RTP payloader"), str); } else { const FormatInfo *info; str = gst_pb_utils_get_codec_description (tmp); info = find_format_info (tmp); if (info != NULL && (info->flags & FLAG_CONTAINER) != 0) { ret = g_strdup_printf (_("%s muxer"), str); } else { ret = g_strdup_printf (_("%s encoder"), str); } } g_free (str); gst_caps_unref (tmp); return ret; } /** * gst_pb_utils_get_element_description: * @factory_name: the name of the element, e.g. "giosrc" * * Returns a localised string describing the given element, for use in * error dialogs or other messages to be seen by the user. Should never * return NULL unless @factory_name is invalid. * * This function is mainly for internal use, applications would typically * use gst_missing_plugin_message_get_description() to get a description of * a missing feature from a missing-plugin message. * * Returns: a newly-allocated description string, or NULL on error. Free * string with g_free() when not needed any longer. */ gchar * gst_pb_utils_get_element_description (const gchar * factory_name) { gchar *ret; g_return_val_if_fail (factory_name != NULL, NULL); gst_pb_utils_init_locale_text_domain (); ret = g_strdup_printf (_("GStreamer element %s"), factory_name); if (ret && g_str_has_prefix (ret, factory_name)) *ret = g_ascii_toupper (*ret); return ret; } /** * gst_pb_utils_add_codec_description_to_tag_list: * @taglist: a #GstTagList * @codec_tag: (allow-none): a GStreamer codec tag such as #GST_TAG_AUDIO_CODEC, * #GST_TAG_VIDEO_CODEC or #GST_TAG_CODEC. If none is specified, * the function will attempt to detect the appropriate category. * @caps: the (fixed) #GstCaps for which a codec tag should be added. * * Adds a codec tag describing the format specified by @caps to @taglist. * * Returns: TRUE if a codec tag was added, FALSE otherwise. */ gboolean gst_pb_utils_add_codec_description_to_tag_list (GstTagList * taglist, const gchar * codec_tag, const GstCaps * caps) { const FormatInfo *info; gchar *desc; g_return_val_if_fail (taglist != NULL, FALSE); g_return_val_if_fail (GST_IS_TAG_LIST (taglist), FALSE); g_return_val_if_fail (codec_tag == NULL || (gst_tag_exists (codec_tag) && gst_tag_get_type (codec_tag) == G_TYPE_STRING), FALSE); g_return_val_if_fail (caps != NULL, FALSE); g_return_val_if_fail (GST_IS_CAPS (caps), FALSE); info = find_format_info (caps); if (info == NULL) return FALSE; /* Attempt to find tag classification */ if (codec_tag == NULL) { if (info->flags & FLAG_CONTAINER) codec_tag = GST_TAG_CONTAINER_FORMAT; else if (info->flags & FLAG_AUDIO) codec_tag = GST_TAG_AUDIO_CODEC; else if (info->flags & FLAG_VIDEO) codec_tag = GST_TAG_VIDEO_CODEC; else if (info->flags & FLAG_SUB) codec_tag = GST_TAG_SUBTITLE_CODEC; else codec_tag = GST_TAG_CODEC; } desc = format_info_get_desc (info, caps); gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, codec_tag, desc, NULL); g_free (desc); return TRUE; } /** * gst_pb_utils_get_codec_description: * @caps: the (fixed) #GstCaps for which an format description is needed * * Returns a localised (as far as this is possible) string describing the * media format specified in @caps, for use in error dialogs or other messages * to be seen by the user. Should never return NULL unless @caps is invalid. * * Also see the convenience function * gst_pb_utils_add_codec_description_to_tag_list(). * * Returns: a newly-allocated description string, or NULL on error. Free * string with g_free() when not needed any longer. */ gchar * gst_pb_utils_get_codec_description (const GstCaps * caps) { const FormatInfo *info; gchar *str, *comma; GstCaps *tmp; g_return_val_if_fail (caps != NULL, NULL); g_return_val_if_fail (GST_IS_CAPS (caps), NULL); tmp = copy_and_clean_caps (caps); g_return_val_if_fail (gst_caps_is_fixed (tmp), NULL); info = find_format_info (tmp); if (info) { str = format_info_get_desc (info, tmp); } else { str = gst_caps_to_string (tmp); /* cut off everything after the media type, if there is anything */ if ((comma = strchr (str, ','))) { *comma = '\0'; g_strchomp (str); /* we could do something more elaborate here, like taking into account * audio/, video/, image/ and application/ prefixes etc. */ } GST_WARNING ("No description available for media type: %s", str); } gst_caps_unref (tmp); return str; } /* internal helper functions for gst_encoding_profile_get_file_extension() */ const gchar *pb_utils_get_file_extension_from_caps (const GstCaps * caps); gboolean pb_utils_is_tag (const GstCaps * caps); const gchar * pb_utils_get_file_extension_from_caps (const GstCaps * caps) { const FormatInfo *info; const gchar *ext = NULL; GstCaps *stripped_caps; g_assert (GST_IS_CAPS (caps)); stripped_caps = copy_and_clean_caps (caps); g_assert (gst_caps_is_fixed (stripped_caps)); info = find_format_info (stripped_caps); if (info && info->ext[0] != '\0') { ext = info->ext; } else if (info && info->desc == NULL) { const GstStructure *s; s = gst_caps_get_structure (stripped_caps, 0); /* cases where we have to evaluate the caps more closely */ if (strcmp (info->type, "audio/mpeg") == 0) { int version = 0, layer = 3; if (gst_structure_get_int (s, "mpegversion", &version)) { if (version == 2 || version == 4) { ext = "aac"; } else if (version == 1) { gst_structure_get_int (s, "layer", &layer); if (layer == 1) ext = "mp1"; else if (layer == 2) ext = "mp2"; else ext = "mp3"; } } } } gst_caps_unref (stripped_caps); return ext; } gboolean pb_utils_is_tag (const GstCaps * caps) { const FormatInfo *info; GstCaps *stripped_caps; gboolean is_tag = FALSE; g_assert (GST_IS_CAPS (caps)); stripped_caps = copy_and_clean_caps (caps); g_assert (gst_caps_is_fixed (stripped_caps)); info = find_format_info (stripped_caps); if (info) { is_tag = (info->flags & FLAG_TAG) != 0; } gst_caps_unref (stripped_caps); return is_tag; } #if 0 void gst_pb_utils_list_all (void) { gint i; g_print ("static const gchar *caps_strings[] = { "); for (i = 0; i < G_N_ELEMENTS (formats); ++i) { if (formats[i].desc != NULL) g_print (" \"%s\", ", formats[i].type); } g_print ("\n#if 0\n"); for (i = 0; i < G_N_ELEMENTS (formats); ++i) { if (formats[i].desc == NULL) g_print (" \"%s\", \n", formats[i].type); } g_print ("\n#endif\n"); } #endif