/* * Copyright (C) 2003-2009 The Music Player Daemon Project * http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * Parser functions for audio related objects. * */ #include "audio_parser.h" #include "audio_format.h" #include <stdlib.h> /** * The GLib quark used for errors reported by this library. */ static inline GQuark audio_parser_quark(void) { return g_quark_from_static_string("audio_parser"); } bool audio_format_parse(struct audio_format *dest, const char *src, GError **error) { char *endptr; unsigned long value; audio_format_clear(dest); /* parse sample rate */ value = strtoul(src, &endptr, 10); if (endptr == src) { g_set_error(error, audio_parser_quark(), 0, "Sample rate missing"); return false; } else if (*endptr != ':') { g_set_error(error, audio_parser_quark(), 0, "Sample format missing"); return false; } else if (!audio_valid_sample_rate(value)) { g_set_error(error, audio_parser_quark(), 0, "Invalid sample rate: %lu", value); return false; } dest->sample_rate = value; /* parse sample format */ src = endptr + 1; value = strtoul(src, &endptr, 10); if (endptr == src) { g_set_error(error, audio_parser_quark(), 0, "Sample format missing"); return false; } else if (*endptr != ':') { g_set_error(error, audio_parser_quark(), 0, "Channel count missing"); return false; } else if (!audio_valid_sample_format(value)) { g_set_error(error, audio_parser_quark(), 0, "Invalid sample format: %lu", value); return false; } dest->bits = value; /* parse channel count */ src = endptr + 1; value = strtoul(src, &endptr, 10); if (*endptr != 0 || !audio_valid_channel_count(value)) { g_set_error(error, audio_parser_quark(), 0, "Invalid channel count: %s", src); return false; } dest->channels = value; return true; }