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Diffstat (limited to '')
| -rw-r--r-- | src/audio_parser.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/audio_parser.c b/src/audio_parser.c deleted file mode 100644 index 152eab5d4..000000000 --- a/src/audio_parser.c +++ /dev/null @@ -1,222 +0,0 @@ -/* - * Copyright (C) 2003-2011 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. - */ - -/* - * Parser functions for audio related objects. - * - */ - -#include "config.h" -#include "audio_parser.h" -#include "audio_format.h" -#include "audio_check.h" -#include "gcc.h" - -#include <assert.h> -#include <string.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"); -} - -static bool -parse_sample_rate(const char *src, bool mask, uint32_t *sample_rate_r, - const char **endptr_r, GError **error_r) -{ - unsigned long value; - char *endptr; - - if (mask && *src == '*') { - *sample_rate_r = 0; - *endptr_r = src + 1; - return true; - } - - value = strtoul(src, &endptr, 10); - if (endptr == src) { - g_set_error(error_r, audio_parser_quark(), 0, - "Failed to parse the sample rate"); - return false; - } else if (!audio_check_sample_rate(value, error_r)) - return false; - - *sample_rate_r = value; - *endptr_r = endptr; - return true; -} - -static bool -parse_sample_format(const char *src, bool mask, - enum sample_format *sample_format_r, - const char **endptr_r, GError **error_r) -{ - unsigned long value; - char *endptr; - enum sample_format sample_format; - - if (mask && *src == '*') { - *sample_format_r = SAMPLE_FORMAT_UNDEFINED; - *endptr_r = src + 1; - return true; - } - - if (*src == 'f') { - *sample_format_r = SAMPLE_FORMAT_FLOAT; - *endptr_r = src + 1; - return true; - } - - if (memcmp(src, "dsd", 3) == 0) { - *sample_format_r = SAMPLE_FORMAT_DSD; - *endptr_r = src + 3; - return true; - } - - value = strtoul(src, &endptr, 10); - if (endptr == src) { - g_set_error(error_r, audio_parser_quark(), 0, - "Failed to parse the sample format"); - return false; - } - - switch (value) { - case 8: - sample_format = SAMPLE_FORMAT_S8; - break; - - case 16: - sample_format = SAMPLE_FORMAT_S16; - break; - - case 24: - if (memcmp(endptr, "_3", 2) == 0) - /* for backwards compatibility */ - endptr += 2; - - sample_format = SAMPLE_FORMAT_S24_P32; - break; - - case 32: - sample_format = SAMPLE_FORMAT_S32; - break; - - default: - g_set_error(error_r, audio_parser_quark(), 0, - "Invalid sample format: %lu", value); - return false; - } - - assert(audio_valid_sample_format(sample_format)); - - *sample_format_r = sample_format; - *endptr_r = endptr; - return true; -} - -static bool -parse_channel_count(const char *src, bool mask, uint8_t *channels_r, - const char **endptr_r, GError **error_r) -{ - unsigned long value; - char *endptr; - - if (mask && *src == '*') { - *channels_r = 0; - *endptr_r = src + 1; - return true; - } - - value = strtoul(src, &endptr, 10); - if (endptr == src) { - g_set_error(error_r, audio_parser_quark(), 0, - "Failed to parse the channel count"); - return false; - } else if (!audio_check_channel_count(value, error_r)) - return false; - - *channels_r = value; - *endptr_r = endptr; - return true; -} - -bool -audio_format_parse(struct audio_format *dest, const char *src, - bool mask, GError **error_r) -{ - uint32_t rate; - enum sample_format sample_format; - uint8_t channels; - - audio_format_clear(dest); - - /* parse sample rate */ - -#if GCC_CHECK_VERSION(4,7) - /* workaround -Wmaybe-uninitialized false positive */ - rate = 0; -#endif - - if (!parse_sample_rate(src, mask, &rate, &src, error_r)) - return false; - - if (*src++ != ':') { - g_set_error(error_r, audio_parser_quark(), 0, - "Sample format missing"); - return false; - } - - /* parse sample format */ - -#if GCC_CHECK_VERSION(4,7) - /* workaround -Wmaybe-uninitialized false positive */ - sample_format = SAMPLE_FORMAT_UNDEFINED; -#endif - - if (!parse_sample_format(src, mask, &sample_format, &src, error_r)) - return false; - - if (*src++ != ':') { - g_set_error(error_r, audio_parser_quark(), 0, - "Channel count missing"); - return false; - } - - /* parse channel count */ - - if (!parse_channel_count(src, mask, &channels, &src, error_r)) - return false; - - if (*src != 0) { - g_set_error(error_r, audio_parser_quark(), 0, - "Extra data after channel count: %s", src); - return false; - } - - audio_format_init(dest, rate, sample_format, channels); - assert(mask ? audio_format_mask_valid(dest) - : audio_format_valid(dest)); - - return true; -} |