diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/audio_check.c | 74 | ||||
| -rw-r--r-- | src/audio_check.h | 54 | ||||
| -rw-r--r-- | src/audio_parser.c | 16 |
3 files changed, 132 insertions, 12 deletions
diff --git a/src/audio_check.c b/src/audio_check.c new file mode 100644 index 000000000..4046e8862 --- /dev/null +++ b/src/audio_check.c @@ -0,0 +1,74 @@ +/* + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "audio_check.h" +#include "audio_format.h" + +#include <assert.h> + +bool +audio_check_sample_rate(unsigned long sample_rate, GError **error_r) +{ + if (!audio_valid_sample_rate(sample_rate)) { + g_set_error(error_r, audio_format_quark(), 0, + "Invalid sample rate: %lu", sample_rate); + return false; + } + + return true; +} + +bool +audio_check_sample_format(unsigned sample_format, GError **error_r) +{ + if (!audio_valid_sample_format(sample_format)) { + g_set_error(error_r, audio_format_quark(), 0, + "Invalid sample format: %u", sample_format); + return false; + } + + return true; +} + +bool +audio_check_channel_count(unsigned channels, GError **error_r) +{ + if (!audio_valid_channel_count(channels)) { + g_set_error(error_r, audio_format_quark(), 0, + "Invalid channel count: %u", channels); + return false; + } + + return true; +} + +bool +audio_format_init_checked(struct audio_format *af, unsigned long sample_rate, + unsigned sample_format, unsigned channels, + GError **error_r) +{ + if (audio_check_sample_rate(sample_rate, error_r) && + audio_check_sample_format(sample_format, error_r) && + audio_check_channel_count(channels, error_r)) { + audio_format_init(af, sample_rate, sample_format, channels); + assert(audio_format_valid(af)); + return true; + } else + return false; +} diff --git a/src/audio_check.h b/src/audio_check.h new file mode 100644 index 000000000..a11fbe3d3 --- /dev/null +++ b/src/audio_check.h @@ -0,0 +1,54 @@ +/* + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_AUDIO_CHECK_H +#define MPD_AUDIO_CHECK_H + +#include <glib.h> +#include <stdbool.h> + +struct audio_format; + +/** + * The GLib quark used for errors reported by this library. + */ +static inline GQuark +audio_format_quark(void) +{ + return g_quark_from_static_string("audio_format"); +} + +bool +audio_check_sample_rate(unsigned long sample_rate, GError **error_r); + +bool +audio_check_sample_format(unsigned sample_format, GError **error_r); + +bool +audio_check_channel_count(unsigned sample_format, GError **error_r); + +/** + * Wrapper for audio_format_init(), which checks all attributes. + */ +bool +audio_format_init_checked(struct audio_format *af, unsigned long sample_rate, + unsigned sample_format, unsigned channels, + GError **error_r); + +#endif diff --git a/src/audio_parser.c b/src/audio_parser.c index 5795c35dd..df87be325 100644 --- a/src/audio_parser.c +++ b/src/audio_parser.c @@ -25,6 +25,7 @@ #include "config.h" #include "audio_parser.h" #include "audio_format.h" +#include "audio_check.h" #include <stdlib.h> @@ -55,11 +56,8 @@ parse_sample_rate(const char *src, bool mask, uint32_t *sample_rate_r, g_set_error(error_r, audio_parser_quark(), 0, "Failed to parse the sample rate"); return false; - } else if (!audio_valid_sample_rate(value)) { - g_set_error(error_r, audio_parser_quark(), 0, - "Invalid sample rate: %lu", value); + } else if (!audio_check_sample_rate(value, error_r)) return false; - } *sample_rate_r = value; *endptr_r = endptr; @@ -84,11 +82,8 @@ parse_sample_format(const char *src, bool mask, uint8_t *bits_r, g_set_error(error_r, audio_parser_quark(), 0, "Failed to parse the sample format"); return false; - } else if (!audio_valid_sample_format(value)) { - g_set_error(error_r, audio_parser_quark(), 0, - "Invalid sample format: %lu", value); + } else if (!audio_check_sample_format(value, error_r)) return false; - } *bits_r = value; *endptr_r = endptr; @@ -113,11 +108,8 @@ parse_channel_count(const char *src, bool mask, uint8_t *channels_r, g_set_error(error_r, audio_parser_quark(), 0, "Failed to parse the channel count"); return false; - } else if (!audio_valid_channel_count(value)) { - g_set_error(error_r, audio_parser_quark(), 0, - "Invalid channel count: %lu", value); + } else if (!audio_check_channel_count(value, error_r)) return false; - } *channels_r = value; *endptr_r = endptr; |