X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/4f040bee9421efc497d0bfadadcaa957695c3a7b..8c811bc11d54848b4a35bba44e8ef1b8d6948806:/lib/service/servicemp3.cpp diff --git a/lib/service/servicemp3.cpp b/lib/service/servicemp3.cpp index f16b167e..f3f44177 100644 --- a/lib/service/servicemp3.cpp +++ b/lib/service/servicemp3.cpp @@ -20,7 +20,18 @@ eServiceFactoryMP3::eServiceFactoryMP3() eServiceCenter::getPrivInstance(sc); if (sc) - sc->addServiceFactory(eServiceFactoryMP3::id, this); + { + std::list extensions; + extensions.push_back("mp3"); + extensions.push_back("ogg"); + extensions.push_back("mpg"); + extensions.push_back("vob"); + extensions.push_back("wav"); + extensions.push_back("wave"); + extensions.push_back("mkv"); + extensions.push_back("avi"); + sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions); + } m_service_info = new eStaticServiceMP3Info(); } @@ -105,12 +116,14 @@ int eStaticServiceMP3Info::getLength(const eServiceReference &ref) eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eApp, 1) { m_stream_tags = 0; + m_audioStreams.clear(); + m_currentAudioStream = 0; CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll); GstElement *source = 0; - GstElement *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */ + GstElement *filter = 0, *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */ - GstElement *audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *mpegdemux = 0; + GstElement *audio = 0, *switch_audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *videodemux = 0; m_state = stIdle; eDebug("SERVICEMP3 construct!"); @@ -124,22 +137,34 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin")); int is_mpeg_ts = !strcasecmp(ext, ".ts"); - int is_video = is_mpeg_ps || is_mpeg_ts; + int is_matroska = !strcasecmp(ext, ".mkv"); + int is_avi = !strcasecmp(ext, ".avi"); + int is_mp3 = !strcasecmp(ext, ".mp3"); /* force mp3 instead of decodebin */ + int is_video = is_mpeg_ps || is_mpeg_ts || is_matroska || is_avi; int is_streaming = !strncmp(filename, "http://", 7); + int is_AudioCD = !(strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")); - eDebug("filename: %s, is_mpeg_ps: %d, is_mpeg_ts: %d, is_video: %d, is_streaming: %d", filename, is_mpeg_ps, is_mpeg_ts, is_video, is_streaming); + eDebug("filename: %s, is_mpeg_ps: %d, is_mpeg_ts: %d, is_video: %d, is_streaming: %d, is_mp3: %d, is_matroska: %d, is_avi: %d, is_AudioCD: %d", filename, is_mpeg_ps, is_mpeg_ts, is_video, is_streaming, is_mp3, is_matroska, is_avi, is_AudioCD); - int use_decodebin = !is_video; + int is_audio = !is_video; int all_ok = 0; - m_gst_pipeline = gst_pipeline_new ("audio-player"); + m_gst_pipeline = gst_pipeline_new ("mediaplayer"); if (!m_gst_pipeline) eWarning("failed to create pipeline"); - if (!is_streaming) + if (is_AudioCD) + { + source = gst_element_factory_make ("cdiocddasrc", "cda-source"); + if (source) + g_object_set (G_OBJECT (source), "device", "/dev/cdroms/cdrom0", NULL); + else + is_AudioCD = 0; + } + if ( !is_streaming && !is_AudioCD ) source = gst_element_factory_make ("filesrc", "file-source"); - else + else if ( is_streaming ) { source = gst_element_factory_make ("neonhttpsrc", "http-source"); if (source) @@ -148,18 +173,34 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp if (!source) eWarning("failed to create %s", is_streaming ? "neonhttpsrc" : "filesrc"); - else /* configure source */ + else if (!is_AudioCD) g_object_set (G_OBJECT (source), "location", filename, NULL); + else + { + int track = atoi(filename+18); + eDebug("play audio CD track #%i",track); + if (track > 0) + g_object_set (G_OBJECT (source), "track", track, NULL); + } - if (use_decodebin) + if (is_audio) { /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */ - - decoder = gst_element_factory_make ("decodebin", "decoder"); + const char *decodertype = is_mp3 ? "mad" : "decodebin"; + + decoder = gst_element_factory_make (decodertype, "decoder"); if (!decoder) - eWarning("failed to create decodebin decoder"); - + eWarning("failed to create %s decoder", decodertype); + + /* mp3 decoding needs id3demux to extract ID3 data. 'decodebin' would do that internally. */ + if (is_mp3) + { + filter = gst_element_factory_make ("id3demux", "filter"); + if (!filter) + eWarning("failed to create id3demux"); + } + conv = gst_element_factory_make ("audioconvert", "converter"); if (!conv) eWarning("failed to create audioconvert"); @@ -172,7 +213,7 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp /* endianness, however, is not required to be set anymore. */ if (flt) { - GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", /* "endianness", G_TYPE_INT, 4321, */ "depth", G_TYPE_INT, 16, "width", G_TYPE_INT, 16, "channels", G_TYPE_INT, 2, (char*)0); + GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", /* "endianness", G_TYPE_INT, 4321, */ "depth", G_TYPE_INT, 16, "width", G_TYPE_INT, 16, /*"channels", G_TYPE_INT, 2, */(char*)0); g_object_set (G_OBJECT (flt), "caps", caps, (char*)0); gst_caps_unref(caps); } @@ -180,7 +221,7 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp sink = gst_element_factory_make ("alsasink", "alsa-output"); if (!sink) eWarning("failed to create osssink"); - + if (source && decoder && conv && sink) all_ok = 1; } else /* is_video */ @@ -188,29 +229,35 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink | queue_video -> dvbvideosink */ - audio = gst_element_factory_make("dvbaudiosink", "audio"); + audio = gst_element_factory_make("dvbaudiosink", "audiosink"); queue_audio = gst_element_factory_make("queue", "queue_audio"); - video = gst_element_factory_make("dvbvideosink", "video"); + video = gst_element_factory_make("dvbvideosink", "videosink"); queue_video = gst_element_factory_make("queue", "queue_video"); if (is_mpeg_ps) - mpegdemux = gst_element_factory_make("flupsdemux", "mpegdemux"); - else - mpegdemux = gst_element_factory_make("flutsdemux", "mpegdemux"); - - if (!mpegdemux) + videodemux = gst_element_factory_make("flupsdemux", "videodemux"); + else if (is_mpeg_ts) + videodemux = gst_element_factory_make("flutsdemux", "videodemux"); + else if (is_matroska) + videodemux = gst_element_factory_make("matroskademux", "videodemux"); + else if (is_avi) + videodemux = gst_element_factory_make("avidemux", "videodemux"); + + if (!videodemux) { eDebug("fluendo mpegdemux not available, falling back to mpegdemux\n"); - mpegdemux = gst_element_factory_make("mpegdemux", "mpegdemux"); + videodemux = gst_element_factory_make("mpegdemux", "videodemux"); } - - eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, mpegdemux %p", audio, queue_audio, video, queue_video, mpegdemux); - if (audio && queue_audio && video && queue_video && mpegdemux) + + eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, videodemux %p", audio, queue_audio, video, queue_video, videodemux); + if (audio && queue_audio && video && queue_video && videodemux) { + g_object_set (G_OBJECT (queue_audio), "max-size-bytes", 256*1024, NULL); g_object_set (G_OBJECT (queue_audio), "max-size-buffers", 0, NULL); g_object_set (G_OBJECT (queue_audio), "max-size-time", (guint64)0, NULL); g_object_set (G_OBJECT (queue_video), "max-size-buffers", 0, NULL); + g_object_set (G_OBJECT (queue_video), "max-size-bytes", 2*1024*1024, NULL); g_object_set (G_OBJECT (queue_video), "max-size-time", (guint64)0, NULL); all_ok = 1; } @@ -220,36 +267,66 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp { gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this); - if (use_decodebin) + if (is_AudioCD) + { + queue_audio = gst_element_factory_make("queue", "queue_audio"); + g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL); + gst_bin_add_many (GST_BIN (m_gst_pipeline), source, queue_audio, conv, sink, NULL); + gst_element_link_many(source, queue_audio, conv, sink, NULL); + } + else if (is_audio) { - g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this); - g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this); + queue_audio = gst_element_factory_make("queue", "queue_audio"); + + if (!is_mp3) + { + /* decodebin has dynamic pads. When they get created, we connect them to the audio bin */ + g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this); + g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this); + g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL); + } /* gst_bin will take the 'floating references' */ gst_bin_add_many (GST_BIN (m_gst_pipeline), - source, decoder, NULL); - gst_element_link(source, decoder); - - /* create audio bin */ - m_gst_audio = gst_bin_new ("audiobin"); - GstPad *audiopad = gst_element_get_pad (conv, "sink"); - - gst_bin_add_many(GST_BIN(m_gst_audio), conv, flt, sink, (char*)0); + source, queue_audio, decoder, NULL); + + if (filter) + { + /* id3demux also has dynamic pads, which need to be connected to the decoder (this is done in the 'gstCBfilterPadAdded' CB) */ + gst_bin_add(GST_BIN(m_gst_pipeline), filter); + gst_element_link(source, filter); + g_signal_connect (filter, "pad-added", G_CALLBACK(gstCBfilterPadAdded), this); + } else + /* in decodebin's case we can just connect the source with the decodebin, and decodebin will take care about id3demux (or whatever is required) */ + gst_element_link_many(source, queue_audio, decoder, NULL); + + /* create audio bin with the audioconverter, the capsfilter and the audiosink */ + audio = gst_bin_new ("audiobin"); + + GstPad *audiopad = gst_element_get_static_pad (conv, "sink"); + gst_bin_add_many(GST_BIN(audio), conv, flt, sink, (char*)0); gst_element_link_many(conv, flt, sink, (char*)0); - gst_element_add_pad(m_gst_audio, gst_ghost_pad_new ("sink", audiopad)); + gst_element_add_pad(audio, gst_ghost_pad_new ("sink", audiopad)); gst_object_unref(audiopad); - gst_bin_add (GST_BIN(m_gst_pipeline), m_gst_audio); - } else + gst_bin_add (GST_BIN(m_gst_pipeline), audio); + + /* in mad's case, we can directly connect the decoder to the audiobin. otherwise, we do this in gstCBnewPad */ + if (is_mp3) + gst_element_link(decoder, audio); + } else /* is_video */ { - gst_bin_add_many(GST_BIN(m_gst_pipeline), source, mpegdemux, audio, queue_audio, video, queue_video, NULL); - gst_element_link(source, mpegdemux); + gst_bin_add_many(GST_BIN(m_gst_pipeline), source, videodemux, audio, queue_audio, video, queue_video, NULL); + switch_audio = gst_element_factory_make ("input-selector", "switch_audio"); + if (switch_audio) + { + g_object_set (G_OBJECT (switch_audio), "select-all", TRUE, NULL); + gst_bin_add(GST_BIN(m_gst_pipeline), switch_audio); + gst_element_link(switch_audio, queue_audio); + } + gst_element_link(source, videodemux); gst_element_link(queue_audio, audio); gst_element_link(queue_video, video); - - m_gst_audioqueue = queue_audio; - m_gst_videoqueue = queue_video; - - g_signal_connect(mpegdemux, "pad-added", G_CALLBACK (gstCBpadAdded), this); + g_signal_connect(videodemux, "pad-added", G_CALLBACK (gstCBpadAdded), this); } } else { @@ -272,8 +349,8 @@ eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eAp gst_object_unref(GST_OBJECT(video)); if (queue_video) gst_object_unref(GST_OBJECT(queue_video)); - if (mpegdemux) - gst_object_unref(GST_OBJECT(mpegdemux)); + if (videodemux) + gst_object_unref(GST_OBJECT(videodemux)); eDebug("sorry, can't play."); m_gst_pipeline = 0; @@ -324,7 +401,7 @@ RESULT eServiceMP3::stop() assert(m_state != stIdle); if (m_state == stStopped) return -1; - printf("MP3: %s stop\n", m_filename.c_str()); + eDebug("MP3: %s stop\n", m_filename.c_str()); gst_element_set_state(m_gst_pipeline, GST_STATE_NULL); m_state = stStopped; return 0; @@ -467,12 +544,17 @@ RESULT eServiceMP3::info(ePtr&i) RESULT eServiceMP3::getName(std::string &name) { - name = "MP3 File: " + m_filename; + name = m_filename; + size_t n = name.rfind('/'); + if (n != std::string::npos) + name = name.substr(n + 1); return 0; } int eServiceMP3::getInfo(int w) { + gchar *tag = 0; + switch (w) { case sTitle: @@ -481,11 +563,27 @@ int eServiceMP3::getInfo(int w) case sComment: case sTracknumber: case sGenre: + case sVideoType: return resIsString; - + case sCurrentTitle: + tag = GST_TAG_TRACK_NUMBER; + break; + case sTotalTitles: + tag = GST_TAG_TRACK_COUNT; + break; default: return resNA; } + + if (!m_stream_tags || !tag) + return 0; + + guint value; + if (gst_tag_list_get_uint(m_stream_tags, tag, &value)) + return (int) value; + + return 0; + } std::string eServiceMP3::getInfoString(int w) @@ -511,6 +609,9 @@ std::string eServiceMP3::getInfoString(int w) case sGenre: tag = GST_TAG_GENRE; break; + case sVideoType: + tag = GST_TAG_VIDEO_CODEC; + break; default: return ""; } @@ -530,23 +631,106 @@ std::string eServiceMP3::getInfoString(int w) return ""; } +RESULT eServiceMP3::audioChannel(ePtr &ptr) +{ + ptr = this; + return 0; +} - void foreach(const GstTagList *list, const gchar *tag, gpointer user_data) - { - if (tag) - eDebug("Tag: %c%c%c%c", tag[0], tag[1], tag[2], tag[3]); - - } +RESULT eServiceMP3::audioTracks(ePtr &ptr) +{ + ptr = this; + return 0; +} + +int eServiceMP3::getNumberOfTracks() +{ + return m_audioStreams.size(); +} + +int eServiceMP3::getCurrentTrack() +{ + return m_currentAudioStream; +} + +RESULT eServiceMP3::selectTrack(unsigned int i) +{ + gint nb_sources; + GstPad *active_pad; + GstElement *selector = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_audio"); + if ( !selector) + { + eDebug("can't switch audio tracks! gst-plugin-selector needed"); + return -1; + } + g_object_get (G_OBJECT (selector), "n-pads", &nb_sources, NULL); + g_object_get (G_OBJECT (selector), "active-pad", &active_pad, NULL); + if ( i >= m_audioStreams.size() || i >= nb_sources || m_currentAudioStream >= m_audioStreams.size() ) + return -2; + char sinkpad[8]; + sprintf(sinkpad, "sink%d", i); + g_object_set (G_OBJECT (selector), "active-pad", gst_element_get_pad (selector, sinkpad), NULL); + g_object_get (G_OBJECT (selector), "active-pad", &active_pad, NULL); + gchar *name; + name = gst_pad_get_name (active_pad); + eDebug ("switched audio to (%s)", name); + g_free(name); + m_currentAudioStream = i; + return 0; +} + +int eServiceMP3::getCurrentChannel() +{ + return STEREO; +} + +RESULT eServiceMP3::selectChannel(int i) +{ + eDebug("eServiceMP3::selectChannel(%i)",i); + return 0; +} + +RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i) +{ +// eDebug("eServiceMP3::getTrackInfo(&info, %i)",i); + if (i >= m_audioStreams.size()) + return -2; + if (m_audioStreams[i].type == audioStream::atMP2) + info.m_description = "MP2"; + else if (m_audioStreams[i].type == audioStream::atMP3) + info.m_description = "MP3"; + else if (m_audioStreams[i].type == audioStream::atAC3) + info.m_description = "AC3"; + else if (m_audioStreams[i].type == audioStream::atAAC) + info.m_description = "AAC"; + else if (m_audioStreams[i].type == audioStream::atDTS) + info.m_description = "DTS"; + else + info.m_description = "???"; + if (info.m_language.empty()) + info.m_language = m_audioStreams[i].language_code; + return 0; +} void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg) { - if (msg) + if (!msg) + return; + gchar *sourceName; + GstObject *source; + + source = GST_MESSAGE_SRC(msg); + sourceName = gst_object_get_name(source); + + if (gst_message_get_structure(msg)) { gchar *string = gst_structure_to_string(gst_message_get_structure(msg)); - eDebug("gst_message: %s", string); + eDebug("gst_message from %s: %s", sourceName, string); g_free(string); } - + else + eDebug("gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg)); + switch (GST_MESSAGE_TYPE (msg)) { case GST_MESSAGE_EOS: @@ -556,9 +740,15 @@ void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg) { gchar *debug; GError *err; + gst_message_parse_error (msg, &err, &debug); g_free (debug); - eWarning("Gstreamer error: %s", err->message); + eWarning("Gstreamer error: %s (%i)", err->message, err->code ); + if ( err->domain == GST_STREAM_ERROR && err->code == GST_STREAM_ERROR_DECODE ) + { + if ( g_strrstr(sourceName, "videosink") ) + m_event((iPlayableService*)this, evUser+11); + } g_error_free(err); /* TODO: signal error condition to user */ break; @@ -575,12 +765,28 @@ void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg) gst_tag_list_free(m_stream_tags); m_stream_tags = result; } - gst_tag_list_free(tags); + gchar *g_audiocodec; + if (gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_audiocodec)) + { + std::vector::iterator IterAudioStream = m_audioStreams.begin(); + while ( IterAudioStream->language_code.length() && IterAudioStream != m_audioStreams.end()) + IterAudioStream++; + if ( g_strrstr(g_audiocodec, "MPEG-1 layer 2") ) + IterAudioStream->type = audioStream::atMP2; + else if ( g_strrstr(g_audiocodec, "AC-3 audio") ) + IterAudioStream->type = audioStream::atAC3; + gchar *g_language; + if ( gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) ) + IterAudioStream->language_code = std::string(g_language); + g_free (g_language); + g_free (g_audiocodec); + } break; } default: break; } + g_free (sourceName); } GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data) @@ -594,28 +800,55 @@ GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data) { eServiceMP3 *_this = (eServiceMP3*)user_data; - + GstBin *pipeline = GST_BIN(_this->m_gst_pipeline); gchar *name; name = gst_pad_get_name (pad); - g_print ("A new pad %s was created\n", name); - if (!strncmp(name, "audio_", 6)) // mpegdemux uses video_nn with n=0,1,.., flupsdemux uses stream id - gst_pad_link(pad, gst_element_get_pad (_this->m_gst_audioqueue, "sink")); - if (!strncmp(name, "video_", 6)) - gst_pad_link(pad, gst_element_get_pad (_this->m_gst_videoqueue, "sink")); + eDebug ("A new pad %s was created", name); + if (g_strrstr(name,"audio")) // mpegdemux, matroskademux, avidemux use video_nn with n=0,1,.., flupsdemux uses stream id + { + GstElement *selector = gst_bin_get_by_name(pipeline , "switch_audio" ); + audioStream audio; + audio.pad = pad; + _this->m_audioStreams.push_back(audio); + if ( selector ) + { + GstPadLinkReturn ret = gst_pad_link(pad, gst_element_get_request_pad (selector, "sink%d")); + if ( _this->m_audioStreams.size() == 1 ) + { + _this->selectTrack(0); + gst_element_set_state (_this->m_gst_pipeline, GST_STATE_PLAYING); + } + else + g_object_set (G_OBJECT (selector), "select-all", FALSE, NULL); + } + else + gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_audio"), "sink")); + } + if (g_strrstr(name,"video")) + { + gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_video"), "sink")); + } g_free (name); - } - + +void eServiceMP3::gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data) +{ + eServiceMP3 *_this = (eServiceMP3*)user_data; + GstElement *decoder = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"decoder"); + gst_pad_link(pad, gst_element_get_static_pad (decoder, "sink")); +} + void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data) { eServiceMP3 *_this = (eServiceMP3*)user_data; GstCaps *caps; GstStructure *str; GstPad *audiopad; - + /* only link once */ - audiopad = gst_element_get_pad (_this->m_gst_audio, "sink"); - if (GST_PAD_IS_LINKED (audiopad)) { + GstElement *audio = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"audiobin"); + audiopad = gst_element_get_static_pad (audio, "sink"); + if ( !audiopad || GST_PAD_IS_LINKED (audiopad)) { eDebug("audio already linked!"); g_object_unref (audiopad); return; @@ -638,9 +871,8 @@ void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data) { - eServiceMP3 *_this = (eServiceMP3*)user_data; GstStructure *str; - + /* check media type */ caps = gst_pad_get_caps (pad); str = gst_caps_get_structure (caps, 0);