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a/upmpd/upmpdutils.cxx |
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b/upmpd/upmpdutils.cxx |
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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*/
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//
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// This file has a number of mostly uninteresting and badly
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// implemented small utility functions. This is a bit ugly, but I am
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// not linking to Qt or glib just to get path-concatenating
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// functions...
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#include <unistd.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <math.h>
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#include <math.h>
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string res = s1;
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string res = s1;
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path_catslash(res);
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path_catslash(res);
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res += s2;
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res += s2;
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return res;
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return res;
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}
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}
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string path_home()
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string path_home()
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{
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{
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uid_t uid = getuid();
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uid_t uid = getuid();
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struct passwd *entry = getpwuid(uid);
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struct passwd *entry = getpwuid(uid);
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o.replace(0, l+1, entry->pw_dir);
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o.replace(0, l+1, entry->pw_dir);
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}
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}
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return o;
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return o;
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}
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}
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void trimstring(string &s, const char *ws)
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void trimstring(string &s, const char *ws)
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{
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{
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string::size_type pos = s.find_first_not_of(ws);
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string::size_type pos = s.find_first_not_of(ws);
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if (pos == string::npos) {
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if (pos == string::npos) {
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s.clear();
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s.clear();
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float db = 10 * log10(ratio);
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float db = 10 * log10(ratio);
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dbvalue = int(256 * db);
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dbvalue = int(256 * db);
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}
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}
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return dbvalue;
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return dbvalue;
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}
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}
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#ifdef __APPLE__
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#define exp10 __exp10
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#endif
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// Translate VolumeDB to MPD 0-100
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// Translate VolumeDB to MPD 0-100
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int dbvaluetopercent(int dbvalue)
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int dbvaluetopercent(int dbvalue)
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{
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{
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float db = float(dbvalue) / 256.0;
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float db = float(dbvalue) / 256.0;
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float vol = exp10(db/10);
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float vol = exp10(db/10);
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// sprintf(cbuf, "%d:%02d:%02d.%03d", hours, minutes, secs, ms);
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// sprintf(cbuf, "%d:%02d:%02d.%03d", hours, minutes, secs, ms);
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sprintf(cbuf, "%d:%02d:%02d", hours, minutes, secs);
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sprintf(cbuf, "%d:%02d:%02d", hours, minutes, secs);
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return cbuf;
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return cbuf;
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}
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}
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// H:M:S to seconds
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int upnpdurationtos(const string& dur)
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int upnpdurationtos(const string& dur)
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{
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{
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int hours, minutes, seconds;
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int hours, minutes, seconds;
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sscanf(dur.c_str(), "%d:%d:%d", &hours, &minutes, &seconds);
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if (sscanf(dur.c_str(), "%d:%d:%d", &hours, &minutes, &seconds) != 3) {
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return 0;
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}
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return 3600 * hours + 60 * minutes + seconds;
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return 3600 * hours + 60 * minutes + seconds;
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}
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}
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// Get from ssl unordered_map, return empty string for non-existing key (so this
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// Get from ssl unordered_map, return empty string for non-existing
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// only works for data where this makes sense.
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// key (so this only works for data where this behaviour makes sense).
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const string& mapget(const unordered_map<string, string>& im, const string& k)
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const string& mapget(const unordered_map<string, string>& im, const string& k)
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{
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{
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static string ns;// null string
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static string ns; // null string
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unordered_map<string, string>::const_iterator it = im.find(k);
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unordered_map<string, string>::const_iterator it = im.find(k);
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if (it == im.end())
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if (it == im.end())
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return ns;
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return ns;
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else
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else
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return it->second;
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return it->second;
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}
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}
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}
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}
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// TBD: the res element normally has size, sampleFrequency,
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// TBD: the res element normally has size, sampleFrequency,
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// nrAudioChannels and protocolInfo attributes, which are bogus
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// nrAudioChannels and protocolInfo attributes, which are bogus
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// for the moment. partly because MPD does not supply them. And
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// for the moment. And mostly everything is bogus if next is
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// mostly everything is bogus if next is set...
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// set... Bitrate keeps changing for VBRs and forces
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// events. Keeping it out for now
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ss << "<res " << "duration=\"" << upnpduration(mpds.songlenms) << "\" "
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ss << "<res " << "duration=\"" << upnpduration(mpds.songlenms) << "\" "
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// Bitrate keeps changing for VBRs and forces events. Keeping
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// it out for now.
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// << "bitrate=\"" << mpds.kbrate << "\" "
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// << "bitrate=\"" << mpds.kbrate << "\" "
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<< "sampleFrequency=\"44100\" audioChannels=\"2\" "
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<< "sampleFrequency=\"44100\" audioChannels=\"2\" "
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<< "protocolInfo=\"http-get:*:audio/mpeg:DLNA.ORG_PN=MP3;DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000\""
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<< "protocolInfo=\"http-get:*:audio/mpeg:DLNA.ORG_PN=MP3;DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000\""
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<< ">"
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<< ">"
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<< xmlquote(mapget(songmap, "uri"))
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<< xmlquote(mapget(songmap, "uri"))
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<< "</res>"
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<< "</res>"
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