/* * aplay.c - plays and records * * CREATIVE LABS CHANNEL-files * Microsoft WAVE-files * SPARC AUDIO .AU-files * Raw Data * * Copyright (c) by Jaroslav Kysela * Based on vplay program by Michael Beck * * * 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 * */ #define _GNU_SOURCE #include "aconfig.h" #include #include #if HAVE_MALLOC_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gettext.h" #include "formats.h" #include "version.h" #include "os_compat.h" #define ABS(a) (a) < 0 ? -(a) : (a) #ifdef SND_CHMAP_API_VERSION #define CONFIG_SUPPORT_CHMAP 1 #endif #ifndef LLONG_MAX #define LLONG_MAX 9223372036854775807LL #endif #ifndef le16toh #include #define le16toh(x) __le16_to_cpu(x) #define be16toh(x) __be16_to_cpu(x) #define le32toh(x) __le32_to_cpu(x) #define be32toh(x) __be32_to_cpu(x) #endif #define DEFAULT_FORMAT SND_PCM_FORMAT_U8 #define DEFAULT_SPEED 8000 #define FORMAT_DEFAULT -1 #define FORMAT_RAW 0 #define FORMAT_VOC 1 #define FORMAT_WAVE 2 #define FORMAT_AU 3 /* global data */ static snd_pcm_sframes_t (*readi_func)(snd_pcm_t *handle, void *buffer, snd_pcm_uframes_t size); static snd_pcm_sframes_t (*writei_func)(snd_pcm_t *handle, const void *buffer, snd_pcm_uframes_t size); static snd_pcm_sframes_t (*readn_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size); static snd_pcm_sframes_t (*writen_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size); enum { VUMETER_NONE, VUMETER_MONO, VUMETER_STEREO }; static char *command; static snd_pcm_t *handle; static struct { snd_pcm_format_t format; unsigned int channels; unsigned int rate; } hwparams, rhwparams; static int timelimit = 0; static int sampleslimit = 0; static int quiet_mode = 0; static int file_type = FORMAT_DEFAULT; static int open_mode = 0; static snd_pcm_stream_t stream = SND_PCM_STREAM_PLAYBACK; static int mmap_flag = 0; static int interleaved = 1; static int nonblock = 0; static volatile sig_atomic_t in_aborting = 0; static uint8_t *audiobuf = NULL; static snd_pcm_uframes_t chunk_size = 0; static unsigned period_time = 0; static unsigned buffer_time = 0; static snd_pcm_uframes_t period_frames = 0; static snd_pcm_uframes_t buffer_frames = 0; static int avail_min = -1; static int start_delay = 0; static int stop_delay = 0; static int monotonic = 0; static int interactive = 0; static int can_pause = 0; static int fatal_errors = 0; static int verbose = 0; static int vumeter = VUMETER_NONE; static int buffer_pos = 0; static size_t significant_bits_per_sample, bits_per_sample, bits_per_frame; static size_t chunk_bytes; static int test_position = 0; static int test_coef = 8; static int test_nowait = 0; static snd_output_t *log; static long long max_file_size = 0; static int max_file_time = 0; static int use_strftime = 0; static volatile int recycle_capture_file = 0; static long term_c_lflag = -1; static int dump_hw_params = 0; static int fd = -1; static off_t pbrec_count = LLONG_MAX, fdcount; static int vocmajor, vocminor; static char *pidfile_name = NULL; FILE *pidf = NULL; static int pidfile_written = 0; #ifdef CONFIG_SUPPORT_CHMAP static snd_pcm_chmap_t *channel_map = NULL; /* chmap to override */ static unsigned int *hw_map = NULL; /* chmap to follow */ #endif /* needed prototypes */ static void done_stdin(void); static void playback(char *filename); static void capture(char *filename); static void playbackv(char **filenames, unsigned int count); static void capturev(char **filenames, unsigned int count); static void begin_voc(int fd, size_t count); static void end_voc(int fd); static void begin_wave(int fd, size_t count); static void end_wave(int fd); static void begin_au(int fd, size_t count); static void end_au(int fd); static void suspend(void); static const struct fmt_capture { void (*start) (int fd, size_t count); void (*end) (int fd); char *what; long long max_filesize; } fmt_rec_table[] = { { NULL, NULL, N_("raw data"), LLONG_MAX }, { begin_voc, end_voc, N_("VOC"), 16000000LL }, /* FIXME: can WAV handle exactly 2GB or less than it? */ { begin_wave, end_wave, N_("WAVE"), 2147483648LL }, { begin_au, end_au, N_("Sparc Audio"), LLONG_MAX } }; #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) #define error(...) do {\ fprintf(stderr, "%s: %s:%d: ", command, __func__, __LINE__); \ fprintf(stderr, __VA_ARGS__); \ putc('\n', stderr); \ } while (0) #else #define error(args...) do {\ fprintf(stderr, "%s: %s:%d: ", command, __func__, __LINE__); \ fprintf(stderr, ##args); \ putc('\n', stderr); \ } while (0) #endif static void usage(char *command) { snd_pcm_format_t k; printf( _("Usage: %s [OPTION]... [FILE]...\n" "\n" "-h, --help help\n" " --version print current version\n" "-l, --list-devices list all soundcards and digital audio devices\n" "-L, --list-pcms list device names\n" "-D, --device=NAME select PCM by name\n" "-q, --quiet quiet mode\n" "-t, --file-type TYPE file type (voc, wav, raw or au)\n" "-c, --channels=# channels\n" "-f, --format=FORMAT sample format (case insensitive)\n" "-r, --rate=# sample rate\n" "-d, --duration=# interrupt after # seconds\n" "-s, --samples=# interrupt after # samples per channel\n" "-M, --mmap mmap stream\n" "-N, --nonblock nonblocking mode\n" "-F, --period-time=# distance between interrupts is # microseconds\n" "-B, --buffer-time=# buffer duration is # microseconds\n" " --period-size=# distance between interrupts is # frames\n" " --buffer-size=# buffer duration is # frames\n" "-A, --avail-min=# min available space for wakeup is # microseconds\n" "-R, --start-delay=# delay for automatic PCM start is # microseconds \n" " (relative to buffer size if <= 0)\n" "-T, --stop-delay=# delay for automatic PCM stop is # microseconds from xrun\n" "-v, --verbose show PCM structure and setup (accumulative)\n" "-V, --vumeter=TYPE enable VU meter (TYPE: mono or stereo)\n" "-I, --separate-channels one file for each channel\n" "-i, --interactive allow interactive operation from stdin\n" "-m, --chmap=ch1,ch2,.. Give the channel map to override or follow\n" " --disable-resample disable automatic rate resample\n" " --disable-channels disable automatic channel conversions\n" " --disable-format disable automatic format conversions\n" " --disable-softvol disable software volume control (softvol)\n" " --test-position test ring buffer position\n" " --test-coef=# test coefficient for ring buffer position (default 8)\n" " expression for validation is: coef * (buffer_size / 2)\n" " --test-nowait do not wait for ring buffer - eats whole CPU\n" " --max-file-time=# start another output file when the old file has recorded\n" " for this many seconds\n" " --process-id-file write the process ID here\n" " --use-strftime apply the strftime facility to the output file name\n" " --dump-hw-params dump hw_params of the device\n" " --fatal-errors treat all errors as fatal\n" ) , command); printf(_("Recognized sample formats are:")); for (k = 0; k <= SND_PCM_FORMAT_LAST; ++k) { const char *s = snd_pcm_format_name(k); if (s) printf(" %s", s); } printf(_("\nSome of these may not be available on selected hardware\n")); printf(_("The available format shortcuts are:\n")); printf(_("-f cd (16 bit little endian, 44100, stereo)\n")); printf(_("-f cdr (16 bit big endian, 44100, stereo)\n")); printf(_("-f dat (16 bit little endian, 48000, stereo)\n")); } static void device_list(void) { snd_ctl_t *handle; int card, err, dev, idx; snd_ctl_card_info_t *info; snd_pcm_info_t *pcminfo; snd_ctl_card_info_alloca(&info); snd_pcm_info_alloca(&pcminfo); card = -1; if (snd_card_next(&card) < 0 || card < 0) { error(_("no soundcards found...")); return; } printf(_("**** List of %s Hardware Devices ****\n"), snd_pcm_stream_name(stream)); while (card >= 0) { char name[32]; sprintf(name, "hw:%d", card); if ((err = snd_ctl_open(&handle, name, 0)) < 0) { error("control open (%i): %s", card, snd_strerror(err)); goto next_card; } if ((err = snd_ctl_card_info(handle, info)) < 0) { error("control hardware info (%i): %s", card, snd_strerror(err)); snd_ctl_close(handle); goto next_card; } dev = -1; while (1) { unsigned int count; if (snd_ctl_pcm_next_device(handle, &dev)<0) error("snd_ctl_pcm_next_device"); if (dev < 0) break; snd_pcm_info_set_device(pcminfo, dev); snd_pcm_info_set_subdevice(pcminfo, 0); snd_pcm_info_set_stream(pcminfo, stream); if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) { if (err != -ENOENT) error("control digital audio info (%i): %s", card, snd_strerror(err)); continue; } printf(_("card %i: %s [%s], device %i: %s [%s]\n"), card, snd_ctl_card_info_get_id(info), snd_ctl_card_info_get_name(info), dev, snd_pcm_info_get_id(pcminfo), snd_pcm_info_get_name(pcminfo)); count = snd_pcm_info_get_subdevices_count(pcminfo); printf( _(" Subdevices: %i/%i\n"), snd_pcm_info_get_subdevices_avail(pcminfo), count); for (idx = 0; idx < (int)count; idx++) { snd_pcm_info_set_subdevice(pcminfo, idx); if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) { error("control digital audio playback info (%i): %s", card, snd_strerror(err)); } else { printf(_(" Subdevice #%i: %s\n"), idx, snd_pcm_info_get_subdevice_name(pcminfo)); } } } snd_ctl_close(handle); next_card: if (snd_card_next(&card) < 0) { error("snd_card_next"); break; } } } static void pcm_list(void) { void **hints, **n; char *name, *descr, *descr1, *io; const char *filter; if (snd_device_name_hint(-1, "pcm", &hints) < 0) return; n = hints; filter = stream == SND_PCM_STREAM_CAPTURE ? "Input" : "Output"; while (*n != NULL) { name = snd_device_name_get_hint(*n, "NAME"); descr = snd_device_name_get_hint(*n, "DESC"); io = snd_device_name_get_hint(*n, "IOID"); if (io != NULL && strcmp(io, filter) != 0) goto __end; printf("%s\n", name); if ((descr1 = descr) != NULL) { printf(" "); while (*descr1) { if (*descr1 == '\n') printf("\n "); else putchar(*descr1); descr1++; } putchar('\n'); } __end: if (name != NULL) free(name); if (descr != NULL) free(descr); if (io != NULL) free(io); n++; } snd_device_name_free_hint(hints); } static void version(void) { printf("%s: version " SND_UTIL_VERSION_STR " by Jaroslav Kysela \n", command); } /* * Subroutine to clean up before exit. */ static void prg_exit(int code) { done_stdin(); if (handle) snd_pcm_close(handle); if (pidfile_written) remove (pidfile_name); exit(code); } static void signal_handler(int sig) { if (in_aborting) return; in_aborting = 1; if (verbose==2) putchar('\n'); if (!quiet_mode) fprintf(stderr, _("Aborted by signal %s...\n"), strsignal(sig)); if (handle) snd_pcm_abort(handle); if (sig == SIGABRT) { /* do not call snd_pcm_close() and abort immediately */ handle = NULL; prg_exit(EXIT_FAILURE); } signal(sig, SIG_DFL); } /* call on SIGUSR1 signal. */ static void signal_handler_recycle(int sig ATTRIBUTE_UNUSED) { /* flag the capture loop to start a new output file */ recycle_capture_file = 1; } enum { OPT_VERSION = 1, OPT_PERIOD_SIZE, OPT_BUFFER_SIZE, OPT_DISABLE_RESAMPLE, OPT_DISABLE_CHANNELS, OPT_DISABLE_FORMAT, OPT_DISABLE_SOFTVOL, OPT_TEST_POSITION, OPT_TEST_COEF, OPT_TEST_NOWAIT, OPT_MAX_FILE_TIME, OPT_PROCESS_ID_FILE, OPT_USE_STRFTIME, OPT_DUMP_HWPARAMS, OPT_FATAL_ERRORS, }; /* * make sure we write all bytes or return an error */ static ssize_t xwrite(int fd, const void *buf, size_t count) { ssize_t written; size_t offset = 0; while (offset < count) { written = write(fd, (char *)buf + offset, count - offset); if (written <= 0) return written; offset += written; }; return offset; } static long parse_long(const char *str, int *err) { long val; char *endptr; errno = 0; val = strtol(str, &endptr, 0); if (errno != 0 || *endptr != '\0') *err = -1; else *err = 0; return val; } int main(int argc, char *argv[]) { int duration_or_sample = 0; int option_index; static const char short_options[] = "hnlLD:qt:c:f:r:d:s:MNF:A:R:T:B:vV:IPCi" #ifdef CONFIG_SUPPORT_CHMAP "m:" #endif ; static const struct option long_options[] = { {"help", 0, 0, 'h'}, {"version", 0, 0, OPT_VERSION}, {"list-devnames", 0, 0, 'n'}, {"list-devices", 0, 0, 'l'}, {"list-pcms", 0, 0, 'L'}, {"device", 1, 0, 'D'}, {"quiet", 0, 0, 'q'}, {"file-type", 1, 0, 't'}, {"channels", 1, 0, 'c'}, {"format", 1, 0, 'f'}, {"rate", 1, 0, 'r'}, {"duration", 1, 0 ,'d'}, {"samples", 1, 0, 's'}, {"mmap", 0, 0, 'M'}, {"nonblock", 0, 0, 'N'}, {"period-time", 1, 0, 'F'}, {"period-size", 1, 0, OPT_PERIOD_SIZE}, {"avail-min", 1, 0, 'A'}, {"start-delay", 1, 0, 'R'}, {"stop-delay", 1, 0, 'T'}, {"buffer-time", 1, 0, 'B'}, {"buffer-size", 1, 0, OPT_BUFFER_SIZE}, {"verbose", 0, 0, 'v'}, {"vumeter", 1, 0, 'V'}, {"separate-channels", 0, 0, 'I'}, {"playback", 0, 0, 'P'}, {"capture", 0, 0, 'C'}, {"disable-resample", 0, 0, OPT_DISABLE_RESAMPLE}, {"disable-channels", 0, 0, OPT_DISABLE_CHANNELS}, {"disable-format", 0, 0, OPT_DISABLE_FORMAT}, {"disable-softvol", 0, 0, OPT_DISABLE_SOFTVOL}, {"test-position", 0, 0, OPT_TEST_POSITION}, {"test-coef", 1, 0, OPT_TEST_COEF}, {"test-nowait", 0, 0, OPT_TEST_NOWAIT}, {"max-file-time", 1, 0, OPT_MAX_FILE_TIME}, {"process-id-file", 1, 0, OPT_PROCESS_ID_FILE}, {"use-strftime", 0, 0, OPT_USE_STRFTIME}, {"interactive", 0, 0, 'i'}, {"dump-hw-params", 0, 0, OPT_DUMP_HWPARAMS}, {"fatal-errors", 0, 0, OPT_FATAL_ERRORS}, #ifdef CONFIG_SUPPORT_CHMAP {"chmap", 1, 0, 'm'}, #endif {0, 0, 0, 0} }; char *pcm_name = "default"; int tmp, err, c; int do_device_list = 0, do_pcm_list = 0, force_sample_format = 0; snd_pcm_info_t *info; FILE *direction; #ifdef ENABLE_NLS setlocale(LC_ALL, ""); textdomain(PACKAGE); #endif snd_pcm_info_alloca(&info); err = snd_output_stdio_attach(&log, stderr, 0); assert(err >= 0); command = argv[0]; file_type = FORMAT_DEFAULT; if (strstr(argv[0], "arecord")) { stream = SND_PCM_STREAM_CAPTURE; file_type = FORMAT_WAVE; command = "arecord"; start_delay = 1; direction = stdout; } else if (strstr(argv[0], "aplay")) { stream = SND_PCM_STREAM_PLAYBACK; command = "aplay"; direction = stdin; } else { error(_("command should be named either arecord or aplay")); return 1; } if (isatty(fileno(direction)) && (argc == 1)) { usage(command); return 1; } chunk_size = -1; rhwparams.format = DEFAULT_FORMAT; rhwparams.rate = DEFAULT_SPEED; rhwparams.channels = 1; while ((c = getopt_long(argc, argv, short_options, long_options, &option_index)) != -1) { switch (c) { case 'h': usage(command); return 0; case OPT_VERSION: version(); return 0; case 'l': do_device_list = 1; break; case 'L': do_pcm_list = 1; break; case 'D': pcm_name = optarg; break; case 'q': quiet_mode = 1; break; case 't': if (strcasecmp(optarg, "raw") == 0) file_type = FORMAT_RAW; else if (strcasecmp(optarg, "voc") == 0) file_type = FORMAT_VOC; else if (strcasecmp(optarg, "wav") == 0) file_type = FORMAT_WAVE; else if (strcasecmp(optarg, "au") == 0 || strcasecmp(optarg, "sparc") == 0) file_type = FORMAT_AU; else { error(_("unrecognized file format %s"), optarg); return 1; } break; case 'c': rhwparams.channels = parse_long(optarg, &err); if (err < 0) { error(_("invalid channels argument '%s'"), optarg); return 1; } if (rhwparams.channels < 1 || rhwparams.channels > 256) { error(_("value %i for channels is invalid"), rhwparams.channels); return 1; } break; case 'f': force_sample_format = 1; if (strcasecmp(optarg, "cd") == 0 || strcasecmp(optarg, "cdr") == 0) { if (strcasecmp(optarg, "cdr") == 0) rhwparams.format = SND_PCM_FORMAT_S16_BE; else rhwparams.format = file_type == FORMAT_AU ? SND_PCM_FORMAT_S16_BE : SND_PCM_FORMAT_S16_LE; rhwparams.rate = 44100; rhwparams.channels = 2; } else if (strcasecmp(optarg, "dat") == 0) { rhwparams.format = file_type == FORMAT_AU ? SND_PCM_FORMAT_S16_BE : SND_PCM_FORMAT_S16_LE; rhwparams.rate = 48000; rhwparams.channels = 2; } else { rhwparams.format = snd_pcm_format_value(optarg); if (rhwparams.format == SND_PCM_FORMAT_UNKNOWN) { error(_("wrong extended format '%s'"), optarg); prg_exit(EXIT_FAILURE); } } break; case 'r': tmp = parse_long(optarg, &err); if (err < 0) { error(_("invalid rate argument '%s'"), optarg); return 1; } if (tmp < 1000) tmp *= 1000; rhwparams.rate = tmp; if (tmp < 2000 || tmp > 768000) { error(_("bad speed value %i"), tmp); return 1; } break; case 'd': if (duration_or_sample) { error(_("duration and samples arguments cannot be used together")); return 1; } timelimit = parse_long(optarg, &err); if (err < 0) { error(_("invalid duration argument '%s'"), optarg); return 1; } duration_or_sample = 1; break; case 's': if (duration_or_sample) { error(_("samples and duration arguments cannot be used together")); return 1; } sampleslimit = parse_long(optarg, &err); if (err < 0) { error(_("invalid samples argument '%s'"), optarg); return 1; } duration_or_sample = 1; break; case 'N': nonblock = 1; open_mode |= SND_PCM_NONBLOCK; break; case 'F': period_time = parse_long(optarg, &err); if (err < 0) { error(_("invalid period time argument '%s'"), optarg); return 1; } break; case 'B': buffer_time = parse_long(optarg, &err); if (err < 0) { error(_("invalid buffer time argument '%s'"), optarg); return 1; } break; case OPT_PERIOD_SIZE: period_frames = parse_long(optarg, &err); if (err < 0) { error(_("invalid period size argument '%s'"), optarg); return 1; } break; case OPT_BUFFER_SIZE: buffer_frames = parse_long(optarg, &err); if (err < 0) { error(_("invalid buffer size argument '%s'"), optarg); return 1; } break; case 'A': avail_min = parse_long(optarg, &err); if (err < 0) { error(_("invalid min available space argument '%s'"), optarg); return 1; } break; case 'R': start_delay = parse_long(optarg, &err); if (err < 0) { error(_("invalid start delay argument '%s'"), optarg); return 1; } break; case 'T': stop_delay = parse_long(optarg, &err); if (err < 0) { error(_("invalid stop delay argument '%s'"), optarg); return 1; } break; case 'v': verbose++; if (verbose > 1 && !vumeter) vumeter = VUMETER_MONO; break; case 'V': if (*optarg == 's') vumeter = VUMETER_STEREO; else if (*optarg == 'm') vumeter = VUMETER_MONO; else vumeter = VUMETER_NONE; break; case 'M': mmap_flag = 1; break; case 'I': interleaved = 0; break; case 'P': stream = SND_PCM_STREAM_PLAYBACK; command = "aplay"; break; case 'C': stream = SND_PCM_STREAM_CAPTURE; command = "arecord"; start_delay = 1; if (file_type == FORMAT_DEFAULT) file_type = FORMAT_WAVE; break; case 'i': interactive = 1; break; case OPT_DISABLE_RESAMPLE: open_mode |= SND_PCM_NO_AUTO_RESAMPLE; break; case OPT_DISABLE_CHANNELS: open_mode |= SND_PCM_NO_AUTO_CHANNELS; break; case OPT_DISABLE_FORMAT: open_mode |= SND_PCM_NO_AUTO_FORMAT; break; case OPT_DISABLE_SOFTVOL: open_mode |= SND_PCM_NO_SOFTVOL; break; case OPT_TEST_POSITION: test_position = 1; break; case OPT_TEST_COEF: test_coef = parse_long(optarg, &err); if (err < 0) { error(_("invalid test coef argument '%s'"), optarg); return 1; } if (test_coef < 1) test_coef = 1; break; case OPT_TEST_NOWAIT: test_nowait = 1; break; case OPT_MAX_FILE_TIME: max_file_time = parse_long(optarg, &err); if (err < 0) { error(_("invalid max file time argument '%s'"), optarg); return 1; } break; case OPT_PROCESS_ID_FILE: pidfile_name = optarg; break; case OPT_USE_STRFTIME: use_strftime = 1; break; case OPT_DUMP_HWPARAMS: dump_hw_params = 1; break; case OPT_FATAL_ERRORS: fatal_errors = 1; break; #ifdef CONFIG_SUPPORT_CHMAP case 'm': channel_map = snd_pcm_chmap_parse_string(optarg); if (!channel_map) { fprintf(stderr, _("Unable to parse channel map string: %s\n"), optarg); return 1; } break; #endif default: fprintf(stderr, _("Try `%s --help' for more information.\n"), command); return 1; } } if (do_device_list) { if (do_pcm_list) pcm_list(); device_list(); goto __end; } else if (do_pcm_list) { pcm_list(); goto __end; } err = snd_pcm_open(&handle, pcm_name, stream, open_mode); if (err < 0) { error(_("audio open error: %s"), snd_strerror(err)); return 1; } if ((err = snd_pcm_info(handle, info)) < 0) { error(_("info error: %s"), snd_strerror(err)); return 1; } if (nonblock) { err = snd_pcm_nonblock(handle, 1); if (err < 0) { error(_("nonblock setting error: %s"), snd_strerror(err)); return 1; } } if (!force_sample_format && isatty(fileno(stdin)) && stream == SND_PCM_STREAM_CAPTURE && snd_pcm_format_width(rhwparams.format) <= 8) fprintf(stderr, "Warning: Some sources (like microphones) may produce inaudible results\n" " with 8-bit sampling. Use '-f' argument to increase resolution\n" " e.g. '-f S16_LE'.\n"); chunk_size = 1024; hwparams = rhwparams; audiobuf = (uint8_t *)malloc(1024); if (audiobuf == NULL) { error(_("not enough memory")); return 1; } if (mmap_flag) { writei_func = snd_pcm_mmap_writei; readi_func = snd_pcm_mmap_readi; writen_func = snd_pcm_mmap_writen; readn_func = snd_pcm_mmap_readn; } else { writei_func = snd_pcm_writei; readi_func = snd_pcm_readi; writen_func = snd_pcm_writen; readn_func = snd_pcm_readn; } if (pidfile_name) { errno = 0; pidf = fopen (pidfile_name, "w"); if (pidf) { (void)fprintf (pidf, "%d\n", getpid()); fclose(pidf); pidfile_written = 1; } else { error(_("Cannot create process ID file %s: %s"), pidfile_name, strerror (errno)); return 1; } } signal(SIGINT, signal_handler); signal(SIGTERM, signal_handler); signal(SIGABRT, signal_handler); signal(SIGUSR1, signal_handler_recycle); if (interleaved) { if (optind > argc - 1) { if (stream == SND_PCM_STREAM_PLAYBACK) playback(NULL); else capture(NULL); } else { while (optind <= argc - 1) { if (stream == SND_PCM_STREAM_PLAYBACK) playback(argv[optind++]); else capture(argv[optind++]); } } } else { if (stream == SND_PCM_STREAM_PLAYBACK) playbackv(&argv[optind], argc - optind); else capturev(&argv[optind], argc - optind); } if (verbose==2) putchar('\n'); snd_pcm_close(handle); handle = NULL; free(audiobuf); __end: snd_output_close(log); snd_config_update_free_global(); prg_exit(EXIT_SUCCESS); /* avoid warning */ return EXIT_SUCCESS; } /* * Safe read (for pipes) */ static ssize_t safe_read(int fd, void *buf, size_t count) { ssize_t result = 0, res; while (count > 0 && !in_aborting) { if ((res = read(fd, buf, count)) == 0) break; if (res < 0) return result > 0 ? result : res; count -= res; result += res; buf = (char *)buf + res; } return result; } /* * Test, if it is a .VOC file and return >=0 if ok (this is the length of rest) * < 0 if not */ static int test_vocfile(void *buffer) { VocHeader *vp = buffer; if (!memcmp(vp->magic, VOC_MAGIC_STRING, 20)) { vocminor = LE_SHORT(vp->version) & 0xFF; vocmajor = LE_SHORT(vp->version) / 256; if (LE_SHORT(vp->version) != (0x1233 - LE_SHORT(vp->coded_ver))) return -2; /* coded version mismatch */ return LE_SHORT(vp->headerlen) - sizeof(VocHeader); /* 0 mostly */ } return -1; /* magic string fail */ } /* * helper for test_wavefile */ static size_t test_wavefile_read(int fd, uint8_t *buffer, size_t *size, size_t reqsize, int line) { if (*size >= reqsize) return *size; if ((size_t)safe_read(fd, buffer + *size, reqsize - *size) != reqsize - *size) { error(_("read error (called from line %i)"), line); prg_exit(EXIT_FAILURE); } return *size = reqsize; } #define check_wavefile_space(buffer, len, blimit) \ if (len > blimit) { \ blimit = len; \ if ((buffer = realloc(buffer, blimit)) == NULL) { \ error(_("not enough memory")); \ prg_exit(EXIT_FAILURE); \ } \ } /* * test, if it's a .WAV file, > 0 if ok (and set the speed, stereo etc.) * == 0 if not * Value returned is bytes to be discarded. */ static ssize_t test_wavefile(int fd, uint8_t *_buffer, size_t size) { WaveHeader *h = (WaveHeader *)_buffer; uint8_t *buffer = NULL; size_t blimit = 0; WaveFmtBody *f; WaveChunkHeader *c; uint32_t type, len; unsigned short format, channels; int big_endian, native_format; uint8_t vbps = 0; if (size < sizeof(WaveHeader)) return -1; if (h->magic == WAV_RIFF) big_endian = 0; else if (h->magic == WAV_RIFX) big_endian = 1; else return -1; if (h->type != WAV_WAVE) return -1; if (size > sizeof(WaveHeader)) { check_wavefile_space(buffer, size - sizeof(WaveHeader), blimit); memcpy(buffer, _buffer + sizeof(WaveHeader), size - sizeof(WaveHeader)); } size -= sizeof(WaveHeader); while (1) { check_wavefile_space(buffer, sizeof(WaveChunkHeader), blimit); test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__); c = (WaveChunkHeader*)buffer; type = c->type; len = TO_CPU_INT(c->length, big_endian); len += len % 2; if (size > sizeof(WaveChunkHeader)) memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader)); size -= sizeof(WaveChunkHeader); if (type == WAV_FMT) break; check_wavefile_space(buffer, len, blimit); test_wavefile_read(fd, buffer, &size, len, __LINE__); if (size > len) memmove(buffer, buffer + len, size - len); size -= len; } if (len < sizeof(WaveFmtBody)) { error(_("unknown length of 'fmt ' chunk (read %u, should be %u at least)"), len, (uint32_t)sizeof(WaveFmtBody)); prg_exit(EXIT_FAILURE); } check_wavefile_space(buffer, len, blimit); test_wavefile_read(fd, buffer, &size, len, __LINE__); f = (WaveFmtBody*) buffer; format = TO_CPU_SHORT(f->format, big_endian); if (format == WAV_FMT_EXTENSIBLE) { WaveFmtExtensibleBody *fe = (WaveFmtExtensibleBody*)buffer; if (len < sizeof(WaveFmtExtensibleBody)) { error(_("unknown length of extensible 'fmt ' chunk (read %u, should be %u at least)"), len, (unsigned int)sizeof(WaveFmtExtensibleBody)); prg_exit(EXIT_FAILURE); } if (memcmp(fe->guid_tag, WAV_GUID_TAG, 14) != 0) { error(_("wrong format tag in extensible 'fmt ' chunk")); prg_exit(EXIT_FAILURE); } vbps = TO_CPU_SHORT(fe->bit_p_spl, big_endian); format = TO_CPU_SHORT(fe->guid_format, big_endian); } if (format != WAV_FMT_PCM && format != WAV_FMT_IEEE_FLOAT) { error(_("can't play WAVE-file format 0x%04x which is not PCM or FLOAT encoded"), format); prg_exit(EXIT_FAILURE); } channels = TO_CPU_SHORT(f->channels, big_endian); if (channels < 1) { error(_("can't play WAVE-files with %d tracks"), channels); prg_exit(EXIT_FAILURE); } hwparams.channels = channels; if (vbps > TO_CPU_SHORT(f->bit_p_spl, big_endian)) { error(_("valid bps greater than bps: %d > %d"), vbps, TO_CPU_SHORT(f->bit_p_spl, big_endian)); prg_exit(EXIT_FAILURE); } switch (TO_CPU_SHORT(f->bit_p_spl, big_endian)) { case 8: if (hwparams.format != DEFAULT_FORMAT && hwparams.format != SND_PCM_FORMAT_U8) fprintf(stderr, _("Warning: format is changed to U8\n")); hwparams.format = SND_PCM_FORMAT_U8; break; case 16: if (big_endian) native_format = SND_PCM_FORMAT_S16_BE; else native_format = SND_PCM_FORMAT_S16_LE; if (hwparams.format != DEFAULT_FORMAT && hwparams.format != native_format) fprintf(stderr, _("Warning: format is changed to %s\n"), snd_pcm_format_name(native_format)); hwparams.format = native_format; break; case 24: switch (TO_CPU_SHORT(f->byte_p_spl, big_endian) / hwparams.channels) { case 3: if (big_endian) native_format = SND_PCM_FORMAT_S24_3BE; else native_format = SND_PCM_FORMAT_S24_3LE; if (hwparams.format != DEFAULT_FORMAT && hwparams.format != native_format) fprintf(stderr, _("Warning: format is changed to %s\n"), snd_pcm_format_name(native_format)); hwparams.format = native_format; break; case 4: if (big_endian) native_format = SND_PCM_FORMAT_S24_BE; else native_format = SND_PCM_FORMAT_S24_LE; if (hwparams.format != DEFAULT_FORMAT && hwparams.format != native_format) fprintf(stderr, _("Warning: format is changed to %s\n"), snd_pcm_format_name(native_format)); hwparams.format = native_format; break; default: error(_(" can't play WAVE-files with sample %d bits in %d bytes wide (%d channels)"), TO_CPU_SHORT(f->bit_p_spl, big_endian), TO_CPU_SHORT(f->byte_p_spl, big_endian), hwparams.channels); prg_exit(EXIT_FAILURE); } break; case 32: if (format == WAV_FMT_PCM) { switch (vbps) { case 24: if (big_endian) native_format = SND_PCM_FORMAT_S24_BE; else native_format = SND_PCM_FORMAT_S24_LE; break; default: if (big_endian) native_format = SND_PCM_FORMAT_S32_BE; else native_format = SND_PCM_FORMAT_S32_LE; break; } hwparams.format = native_format; } else if (format == WAV_FMT_IEEE_FLOAT) { if (big_endian) native_format = SND_PCM_FORMAT_FLOAT_BE; else native_format = SND_PCM_FORMAT_FLOAT_LE; hwparams.format = native_format; } break; default: error(_(" can't play WAVE-files with sample %d bits wide"), TO_CPU_SHORT(f->bit_p_spl, big_endian)); prg_exit(EXIT_FAILURE); } hwparams.rate = TO_CPU_INT(f->sample_fq, big_endian); if (size > len) memmove(buffer, buffer + len, size - len); size -= len; while (1) { uint32_t type, len; check_wavefile_space(buffer, sizeof(WaveChunkHeader), blimit); test_wavefile_read(fd, buffer, &size, sizeof(WaveChunkHeader), __LINE__); c = (WaveChunkHeader*)buffer; type = c->type; len = TO_CPU_INT(c->length, big_endian); if (size > sizeof(WaveChunkHeader)) memmove(buffer, buffer + sizeof(WaveChunkHeader), size - sizeof(WaveChunkHeader)); size -= sizeof(WaveChunkHeader); if (type == WAV_DATA) { if (len < pbrec_count && len < 0x7ffffffe) pbrec_count = len; if (size > 0) memcpy(_buffer, buffer, size); free(buffer); return size; } len += len % 2; check_wavefile_space(buffer, len, blimit); test_wavefile_read(fd, buffer, &size, len, __LINE__); if (size > len) memmove(buffer, buffer + len, size - len); size -= len; } /* shouldn't be reached */ return -1; } /* */ static int test_au(int fd, void *buffer) { AuHeader *ap = buffer; if (ap->magic != AU_MAGIC) return -1; if (BE_INT(ap->hdr_size) > 128 || BE_INT(ap->hdr_size) < 24) return -1; pbrec_count = BE_INT(ap->data_size); switch (BE_INT(ap->encoding)) { case AU_FMT_ULAW: if (hwparams.format != DEFAULT_FORMAT && hwparams.format != SND_PCM_FORMAT_MU_LAW) fprintf(stderr, _("Warning: format is changed to MU_LAW\n")); hwparams.format = SND_PCM_FORMAT_MU_LAW; break; case AU_FMT_LIN8: if (hwparams.format != DEFAULT_FORMAT && hwparams.format != SND_PCM_FORMAT_U8) fprintf(stderr, _("Warning: format is changed to U8\n")); hwparams.format = SND_PCM_FORMAT_U8; break; case AU_FMT_LIN16: if (hwparams.format != DEFAULT_FORMAT && hwparams.format != SND_PCM_FORMAT_S16_BE) fprintf(stderr, _("Warning: format is changed to S16_BE\n")); hwparams.format = SND_PCM_FORMAT_S16_BE; break; default: return -1; } hwparams.rate = BE_INT(ap->sample_rate); if (hwparams.rate < 2000 || hwparams.rate > 256000) return -1; hwparams.channels = BE_INT(ap->channels); if (hwparams.channels < 1 || hwparams.channels > 256) return -1; if ((size_t)safe_read(fd, (char *)buffer + sizeof(AuHeader), BE_INT(ap->hdr_size) - sizeof(AuHeader)) != BE_INT(ap->hdr_size) - sizeof(AuHeader)) { error(_("read error")); prg_exit(EXIT_FAILURE); } return 0; } static void show_available_sample_formats(snd_pcm_hw_params_t* params) { snd_pcm_format_t format; fprintf(stderr, "Available formats:\n"); for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) { if (snd_pcm_hw_params_test_format(handle, params, format) == 0) fprintf(stderr, "- %s\n", snd_pcm_format_name(format)); } } #ifdef CONFIG_SUPPORT_CHMAP static int setup_chmap(void) { snd_pcm_chmap_t *chmap = channel_map; char mapped[hwparams.channels]; snd_pcm_chmap_t *hw_chmap; unsigned int ch, i; int err; if (!chmap) return 0; if (chmap->channels != hwparams.channels) { error(_("Channel numbers don't match between hw_params and channel map")); return -1; } err = snd_pcm_set_chmap(handle, chmap); if (!err) return 0; hw_chmap = snd_pcm_get_chmap(handle); if (!hw_chmap) { fprintf(stderr, _("Warning: unable to get channel map\n")); return 0; } if (hw_chmap->channels == chmap->channels && !memcmp(hw_chmap, chmap, 4 * (chmap->channels + 1))) { /* maps are identical, so no need to convert */ free(hw_chmap); return 0; } hw_map = calloc(hwparams.channels, sizeof(int)); if (!hw_map) { error(_("not enough memory")); free(hw_chmap); return -1; } memset(mapped, 0, sizeof(mapped)); for (ch = 0; ch < hw_chmap->channels; ch++) { if (chmap->pos[ch] == hw_chmap->pos[ch]) { mapped[ch] = 1; hw_map[ch] = ch; continue; } for (i = 0; i < hw_chmap->channels; i++) { if (!mapped[i] && chmap->pos[ch] == hw_chmap->pos[i]) { mapped[i] = 1; hw_map[ch] = i; break; } } if (i >= hw_chmap->channels) { char buf[256]; error(_("Channel %d doesn't match with hw_params"), ch); snd_pcm_chmap_print(hw_chmap, sizeof(buf), buf); fprintf(stderr, "hardware chmap = %s\n", buf); free(hw_chmap); return -1; } } free(hw_chmap); return 0; } #else #define setup_chmap() 0 #endif static void set_params(void) { snd_pcm_hw_params_t *params; snd_pcm_sw_params_t *swparams; snd_pcm_uframes_t buffer_size; int err; size_t n; unsigned int rate; snd_pcm_uframes_t start_threshold, stop_threshold; snd_pcm_hw_params_alloca(¶ms); snd_pcm_sw_params_alloca(&swparams); err = snd_pcm_hw_params_any(handle, params); if (err < 0) { error(_("Broken configuration for this PCM: no configurations available")); prg_exit(EXIT_FAILURE); } if (dump_hw_params) { fprintf(stderr, _("HW Params of device \"%s\":\n"), snd_pcm_name(handle)); fprintf(stderr, "--------------------\n"); snd_pcm_hw_params_dump(params, log); fprintf(stderr, "--------------------\n"); } if (mmap_flag) { snd_pcm_access_mask_t *mask = alloca(snd_pcm_access_mask_sizeof()); snd_pcm_access_mask_none(mask); snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED); snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED); snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_COMPLEX); err = snd_pcm_hw_params_set_access_mask(handle, params, mask); } else if (interleaved) err = snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED); else err = snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_NONINTERLEAVED); if (err < 0) { error(_("Access type not available")); prg_exit(EXIT_FAILURE); } err = snd_pcm_hw_params_set_format(handle, params, hwparams.format); if (err < 0) { error(_("Sample format non available")); show_available_sample_formats(params); prg_exit(EXIT_FAILURE); } err = snd_pcm_hw_params_set_channels(handle, params, hwparams.channels); if (err < 0) { error(_("Channels count non available")); prg_exit(EXIT_FAILURE); } #if 0 err = snd_pcm_hw_params_set_periods_min(handle, params, 2); assert(err >= 0); #endif rate = hwparams.rate; err = snd_pcm_hw_params_set_rate_near(handle, params, &hwparams.rate, 0); assert(err >= 0); if ((float)rate * 1.05 < hwparams.rate || (float)rate * 0.95 > hwparams.rate) { if (!quiet_mode) { char plugex[64]; const char *pcmname = snd_pcm_name(handle); fprintf(stderr, _("Warning: rate is not accurate (requested = %iHz, got = %iHz)\n"), rate, hwparams.rate); if (! pcmname || strchr(snd_pcm_name(handle), ':')) *plugex = 0; else snprintf(plugex, sizeof(plugex), "(-Dplug:%s)", snd_pcm_name(handle)); fprintf(stderr, _(" please, try the plug plugin %s\n"), plugex); } } rate = hwparams.rate; if (buffer_time == 0 && buffer_frames == 0) { err = snd_pcm_hw_params_get_buffer_time_max(params, &buffer_time, 0); assert(err >= 0); if (buffer_time > 500000) buffer_time = 500000; } if (period_time == 0 && period_frames == 0) { if (buffer_time > 0) period_time = buffer_time / 4; else period_frames = buffer_frames / 4; } if (period_time > 0) err = snd_pcm_hw_params_set_period_time_near(handle, params, &period_time, 0); else err = snd_pcm_hw_params_set_period_size_near(handle, params, &period_frames, 0); assert(err >= 0); if (buffer_time > 0) { err = snd_pcm_hw_params_set_buffer_time_near(handle, params, &buffer_time, 0); } else { err = snd_pcm_hw_params_set_buffer_size_near(handle, params, &buffer_frames); } assert(err >= 0); monotonic = snd_pcm_hw_params_is_monotonic(params); can_pause = snd_pcm_hw_params_can_pause(params); err = snd_pcm_hw_params(handle, params); if (err < 0) { error(_("Unable to install hw params:")); snd_pcm_hw_params_dump(params, log); prg_exit(EXIT_FAILURE); } snd_pcm_hw_params_get_period_size(params, &chunk_size, 0); snd_pcm_hw_params_get_buffer_size(params, &buffer_size); if (chunk_size == buffer_size) { error(_("Can't use period equal to buffer size (%lu == %lu)"), chunk_size, buffer_size); prg_exit(EXIT_FAILURE); } err = snd_pcm_sw_params_current(handle, swparams); if (err < 0) { error(_("Unable to get current sw params.")); prg_exit(EXIT_FAILURE); } if (avail_min < 0) n = chunk_size; else n = (double) rate * avail_min / 1000000; err = snd_pcm_sw_params_set_avail_min(handle, swparams, n); /* round up to closest transfer boundary */ n = buffer_size; if (start_delay <= 0) { start_threshold = n + (double) rate * start_delay / 1000000; } else start_threshold = (double) rate * start_delay / 1000000; if (start_threshold < 1) start_threshold = 1; if (start_threshold > n) start_threshold = n; err = snd_pcm_sw_params_set_start_threshold(handle, swparams, start_threshold); assert(err >= 0); if (stop_delay <= 0) stop_threshold = buffer_size + (double) rate * stop_delay / 1000000; else stop_threshold = (double) rate * stop_delay / 1000000; err = snd_pcm_sw_params_set_stop_threshold(handle, swparams, stop_threshold); assert(err >= 0); if (snd_pcm_sw_params(handle, swparams) < 0) { error(_("unable to install sw params:")); snd_pcm_sw_params_dump(swparams, log); prg_exit(EXIT_FAILURE); } if (setup_chmap()) prg_exit(EXIT_FAILURE); if (verbose) snd_pcm_dump(handle, log); bits_per_sample = snd_pcm_format_physical_width(hwparams.format); significant_bits_per_sample = snd_pcm_format_width(hwparams.format); bits_per_frame = bits_per_sample * hwparams.channels; chunk_bytes = chunk_size * bits_per_frame / 8; audiobuf = realloc(audiobuf, chunk_bytes); if (audiobuf == NULL) { error(_("not enough memory")); prg_exit(EXIT_FAILURE); } // fprintf(stderr, "real chunk_size = %i, frags = %i, total = %i\n", chunk_size, setup.buf.block.frags, setup.buf.block.frags * chunk_size); /* stereo VU-meter isn't always available... */ if (vumeter == VUMETER_STEREO) { if (hwparams.channels != 2 || !interleaved || verbose > 2) vumeter = VUMETER_MONO; } /* show mmap buffer arragment */ if (mmap_flag && verbose) { const snd_pcm_channel_area_t *areas; snd_pcm_uframes_t offset, size = chunk_size; int i; err = snd_pcm_mmap_begin(handle, &areas, &offset, &size); if (err < 0) { error(_("snd_pcm_mmap_begin problem: %s"), snd_strerror(err)); prg_exit(EXIT_FAILURE); } for (i = 0; i < (int)hwparams.channels; i++) fprintf(stderr, "mmap_area[%i] = %p,%u,%u (%u)\n", i, areas[i].addr, areas[i].first, areas[i].step, snd_pcm_format_physical_width(hwparams.format)); /* not required, but for sure */ snd_pcm_mmap_commit(handle, offset, 0); } buffer_frames = buffer_size; /* for position test */ } static void init_stdin(void) { struct termios term; long flags; if (!interactive) return; if (!isatty(fileno(stdin))) { interactive = 0; return; } tcgetattr(fileno(stdin), &term); term_c_lflag = term.c_lflag; if (fd == fileno(stdin)) return; flags = fcntl(fileno(stdin), F_GETFL); if (flags < 0 || fcntl(fileno(stdin), F_SETFL, flags|O_NONBLOCK) < 0) fprintf(stderr, _("stdin O_NONBLOCK flag setup failed\n")); term.c_lflag &= ~ICANON; tcsetattr(fileno(stdin), TCSANOW, &term); } static void done_stdin(void) { struct termios term; if (!interactive) return; if (fd == fileno(stdin) || term_c_lflag == -1) return; tcgetattr(fileno(stdin), &term); term.c_lflag = term_c_lflag; tcsetattr(fileno(stdin), TCSANOW, &term); } static char wait_for_input(void) { struct pollfd pfd; unsigned char b; do { pfd.fd = fileno(stdin); pfd.events = POLLIN; poll(&pfd, 1, -1); } while (read(fileno(stdin), &b, 1) != 1); return b; } static void do_pause(void) { int err; unsigned char b; if (!can_pause) { fprintf(stderr, _("\rPAUSE command ignored (no hw support)\n")); return; } if (snd_pcm_state(handle) == SND_PCM_STATE_SUSPENDED) suspend(); err = snd_pcm_pause(handle, 1); if (err < 0) { error(_("pause push error: %s"), snd_strerror(err)); return; } while (1) { b = wait_for_input(); if (b == ' ' || b == '\r') { while (read(fileno(stdin), &b, 1) == 1); if (snd_pcm_state(handle) == SND_PCM_STATE_SUSPENDED) suspend(); err = snd_pcm_pause(handle, 0); if (err < 0) error(_("pause release error: %s"), snd_strerror(err)); return; } } } static void check_stdin(void) { unsigned char b; if (!interactive) return; if (fd != fileno(stdin)) { while (read(fileno(stdin), &b, 1) == 1) { if (b == ' ' || b == '\r') { while (read(fileno(stdin), &b, 1) == 1); fprintf(stderr, _("\r=== PAUSE === ")); fflush(stderr); do_pause(); fprintf(stderr, " \r"); fflush(stderr); } } } } #ifndef timersub #define timersub(a, b, result) \ do { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ if ((result)->tv_usec < 0) { \ --(result)->tv_sec; \ (result)->tv_usec += 1000000; \ } \ } while (0) #endif #ifndef timermsub #define timermsub(a, b, result) \ do { \ (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ (result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \ if ((result)->tv_nsec < 0) { \ --(result)->tv_sec; \ (result)->tv_nsec += 1000000000L; \ } \ } while (0) #endif /* I/O error handler */ static void xrun(void) { snd_pcm_status_t *status; int res; snd_pcm_status_alloca(&status); if ((res = snd_pcm_status(handle, status))<0) { error(_("status error: %s"), snd_strerror(res)); prg_exit(EXIT_FAILURE); } if (snd_pcm_status_get_state(status) == SND_PCM_STATE_XRUN) { if (fatal_errors) { error(_("fatal %s: %s"), stream == SND_PCM_STREAM_PLAYBACK ? _("underrun") : _("overrun"), snd_strerror(res)); prg_exit(EXIT_FAILURE); } if (monotonic) { #ifdef HAVE_CLOCK_GETTIME struct timespec now, diff, tstamp; clock_gettime(CLOCK_MONOTONIC, &now); snd_pcm_status_get_trigger_htstamp(status, &tstamp); timermsub(&now, &tstamp, &diff); fprintf(stderr, _("%s!!! (at least %.3f ms long)\n"), stream == SND_PCM_STREAM_PLAYBACK ? _("underrun") : _("overrun"), diff.tv_sec * 1000 + diff.tv_nsec / 1000000.0); #else fprintf(stderr, "%s !!!\n", _("underrun")); #endif } else { struct timeval now, diff, tstamp; gettimeofday(&now, 0); snd_pcm_status_get_trigger_tstamp(status, &tstamp); timersub(&now, &tstamp, &diff); fprintf(stderr, _("%s!!! (at least %.3f ms long)\n"), stream == SND_PCM_STREAM_PLAYBACK ? _("underrun") : _("overrun"), diff.tv_sec * 1000 + diff.tv_usec / 1000.0); } if (verbose) { fprintf(stderr, _("Status:\n")); snd_pcm_status_dump(status, log); } if ((res = snd_pcm_prepare(handle))<0) { error(_("xrun: prepare error: %s"), snd_strerror(res)); prg_exit(EXIT_FAILURE); } return; /* ok, data should be accepted again */ } if (snd_pcm_status_get_state(status) == SND_PCM_STATE_DRAINING) { if (verbose) { fprintf(stderr, _("Status(DRAINING):\n")); snd_pcm_status_dump(status, log); } if (stream == SND_PCM_STREAM_CAPTURE) { fprintf(stderr, _("capture stream format change? attempting recover...\n")); if ((res = snd_pcm_prepare(handle))<0) { error(_("xrun(DRAINING): prepare error: %s"), snd_strerror(res)); prg_exit(EXIT_FAILURE); } return; } } if (verbose) { fprintf(stderr, _("Status(R/W):\n")); snd_pcm_status_dump(status, log); } error(_("read/write error, state = %s"), snd_pcm_state_name(snd_pcm_status_get_state(status))); prg_exit(EXIT_FAILURE); } /* I/O suspend handler */ static void suspend(void) { int res; if (!quiet_mode) { fprintf(stderr, _("Suspended. Trying resume. ")); fflush(stderr); } while ((res = snd_pcm_resume(handle)) == -EAGAIN) sleep(1); /* wait until suspend flag is released */ if (res < 0) { if (!quiet_mode) { fprintf(stderr, _("Failed. Restarting stream. ")); fflush(stderr); } if ((res = snd_pcm_prepare(handle)) < 0) { error(_("suspend: prepare error: %s"), snd_strerror(res)); prg_exit(EXIT_FAILURE); } } if (!quiet_mode) fprintf(stderr, _("Done.\n")); } static void print_vu_meter_mono(int perc, int maxperc) { const int bar_length = 50; char line[80]; int val; for (val = 0; val <= perc * bar_length / 100 && val < bar_length; val++) line[val] = '#'; for (; val <= maxperc * bar_length / 100 && val < bar_length; val++) line[val] = ' '; line[val] = '+'; for (++val; val <= bar_length; val++) line[val] = ' '; if (maxperc > 99) sprintf(line + val, "| MAX"); else sprintf(line + val, "| %02i%%", maxperc); fputs(line, stderr); if (perc > 100) fprintf(stderr, _(" !clip ")); } static void print_vu_meter_stereo(int *perc, int *maxperc) { const int bar_length = 35; char line[80]; int c; memset(line, ' ', sizeof(line) - 1); line[bar_length + 3] = '|'; for (c = 0; c < 2; c++) { int p = perc[c] * bar_length / 100; char tmp[4]; if (p > bar_length) p = bar_length; if (c) memset(line + bar_length + 6 + 1, '#', p); else memset(line + bar_length - p, '#', p); p = maxperc[c] * bar_length / 100 - 1; if (p < 0) p = 0; else if (p >= bar_length) p = bar_length - 1; if (c) line[bar_length + 6 + 1 + p] = '+'; else line[bar_length - p - 1] = '+'; if (ABS(maxperc[c]) > 99) sprintf(tmp, "MAX"); else sprintf(tmp, "%02d%%", maxperc[c]); if (c) memcpy(line + bar_length + 3 + 1, tmp, 3); else memcpy(line + bar_length, tmp, 3); } line[bar_length * 2 + 6 + 2] = 0; fputs(line, stderr); } static void print_vu_meter(signed int *perc, signed int *maxperc) { if (vumeter == VUMETER_STEREO) print_vu_meter_stereo(perc, maxperc); else print_vu_meter_mono(*perc, *maxperc); } /* peak handler */ static void compute_max_peak(uint8_t *data, size_t samples) { signed int val, max, perc[2], max_peak[2]; static int run = 0; size_t osamples = samples; int format_little_endian = snd_pcm_format_little_endian(hwparams.format); int ichans, c; if (vumeter == VUMETER_STEREO) ichans = 2; else ichans = 1; memset(max_peak, 0, sizeof(max_peak)); switch (bits_per_sample) { case 8: { signed char *valp = (signed char *)data; signed char mask = snd_pcm_format_silence(hwparams.format); c = 0; while (samples-- > 0) { val = *valp++ ^ mask; val = abs(val); if (max_peak[c] < val) max_peak[c] = val; if (vumeter == VUMETER_STEREO) c = !c; } break; } case 16: { signed short *valp = (signed short *)data; signed short mask = snd_pcm_format_silence_16(hwparams.format); signed short sval; c = 0; while (samples-- > 0) { if (format_little_endian) sval = le16toh(*valp); else sval = be16toh(*valp); sval ^= mask; val = abs(sval); if (max_peak[c] < val) max_peak[c] = val; valp++; if (vumeter == VUMETER_STEREO) c = !c; } break; } case 24: { unsigned char *valp = data; signed int mask = snd_pcm_format_silence_32(hwparams.format); c = 0; while (samples-- > 0) { if (format_little_endian) { val = valp[0] | (valp[1]<<8) | (valp[2]<<16); } else { val = (valp[0]<<16) | (valp[1]<<8) | valp[2]; } val ^= mask; /* Correct signed bit in 32-bit value */ if (val & (1<<(bits_per_sample-1))) { val |= 0xff<<24; /* Negate upper bits too */ } val = abs(val); if (max_peak[c] < val) max_peak[c] = val; valp += 3; if (vumeter == VUMETER_STEREO) c = !c; } break; } case 32: { signed int *valp = (signed int *)data; signed int mask = snd_pcm_format_silence_32(hwparams.format); c = 0; while (samples-- > 0) { if (format_little_endian) val = le32toh(*valp); else val = be32toh(*valp); val ^= mask; if ((unsigned int)val == 0x80000000U) val = 0x7fffffff; else val = abs(val); if (max_peak[c] < val) max_peak[c] = val; valp++; if (vumeter == VUMETER_STEREO) c = !c; } break; } default: if (run == 0) { fprintf(stderr, _("Unsupported bit size %d.\n"), (int)bits_per_sample); run = 1; } return; } max = 1 << (significant_bits_per_sample-1); if (max <= 0) max = 0x7fffffff; for (c = 0; c < ichans; c++) { if (max_peak[c] > max) max_peak[c] = max; if (bits_per_sample > 16) perc[c] = max_peak[c] / (max / 100); else perc[c] = max_peak[c] * 100 / max; } if (interleaved && verbose <= 2) { static int maxperc[2]; static time_t t=0; const time_t tt=time(NULL); if(tt>t) { t=tt; maxperc[0] = 0; maxperc[1] = 0; } for (c = 0; c < ichans; c++) if (perc[c] > maxperc[c]) maxperc[c] = perc[c]; putc('\r', stderr); print_vu_meter(perc, maxperc); fflush(stderr); } else if (verbose==3) { fprintf(stderr, _("Max peak (%li samples): 0x%08x "), (long)osamples, max_peak[0]); for (val = 0; val < 20; val++) if (val <= perc[0] / 5) putc('#', stderr); else putc(' ', stderr); fprintf(stderr, " %i%%\n", perc[0]); fflush(stderr); } } static void do_test_position(void) { static long counter = 0; static time_t tmr = -1; time_t now; static float availsum, delaysum, samples; static snd_pcm_sframes_t maxavail, maxdelay; static snd_pcm_sframes_t minavail, mindelay; static snd_pcm_sframes_t badavail = 0, baddelay = 0; snd_pcm_sframes_t outofrange; snd_pcm_sframes_t avail, delay, savail, sdelay; snd_pcm_status_t *status; int err; snd_pcm_status_alloca(&status); err = snd_pcm_avail_delay(handle, &avail, &delay); if (err < 0) return; err = snd_pcm_status(handle, status); if (err < 0) return; savail = snd_pcm_status_get_avail(status); sdelay = snd_pcm_status_get_delay(status); outofrange = (test_coef * (snd_pcm_sframes_t)buffer_frames) / 2; if (avail > outofrange || avail < -outofrange || delay > outofrange || delay < -outofrange) { badavail = avail; baddelay = delay; availsum = delaysum = samples = 0; maxavail = maxdelay = 0; minavail = mindelay = buffer_frames * 16; fprintf(stderr, _("Suspicious buffer position (%li total): " "avail = %li, delay = %li, buffer = %li\n"), ++counter, (long)avail, (long)delay, (long)buffer_frames); } else if (savail > outofrange || savail < -outofrange || sdelay > outofrange || sdelay < -outofrange) { badavail = savail; baddelay = sdelay; availsum = delaysum = samples = 0; maxavail = maxdelay = 0; minavail = mindelay = buffer_frames * 16; fprintf(stderr, _("Suspicious status buffer position (%li total): " "avail = %li, delay = %li, buffer = %li\n"), ++counter, (long)savail, (long)sdelay, (long)buffer_frames); } else if (stream == SND_PCM_STREAM_CAPTURE && avail > delay) { fprintf(stderr, _("Suspicious buffer position avail > delay (%li total): " "avail = %li, delay = %li\n"), ++counter, (long)avail, (long)delay); } else if (stream == SND_PCM_STREAM_CAPTURE && savail > sdelay) { fprintf(stderr, _("Suspicious status buffer position avail > delay (%li total): " "avail = %li, delay = %li\n"), ++counter, (long)savail, (long)sdelay); } else if (verbose) { time(&now); if (tmr == (time_t) -1) { tmr = now; availsum = delaysum = samples = 0; maxavail = maxdelay = 0; minavail = mindelay = buffer_frames * 16; } if (avail > maxavail) maxavail = avail; if (savail > maxavail) maxavail = savail; if (delay > maxdelay) maxdelay = delay; if (sdelay > maxdelay) maxdelay = sdelay; if (avail < minavail) minavail = avail; if (savail < minavail) minavail = savail; if (delay < mindelay) mindelay = delay; if (sdelay < mindelay) mindelay = sdelay; availsum += avail; delaysum += delay; samples++; if ((maxavail != 0 || maxdelay != 0) && now != tmr) { fprintf(stderr, "BUFPOS: avg%li/%li " "min%li/%li max%li/%li (%li) (%li:%li/%li)\n", (long)(availsum / samples), (long)(delaysum / samples), (long)minavail, (long)mindelay, (long)maxavail, (long)maxdelay, (long)buffer_frames, counter, badavail, baddelay); tmr = now; } } if (verbose == 1) { fprintf(stderr, _("Status(R/W) (standalone avail=%li delay=%li):\n"), (long)avail, (long)delay); snd_pcm_status_dump(status, log); } } /* */ #ifdef CONFIG_SUPPORT_CHMAP static uint8_t *remap_data(uint8_t *data, size_t count) { static uint8_t *tmp, *src, *dst; static size_t tmp_size; size_t sample_bytes = bits_per_sample / 8; size_t step = bits_per_frame / 8; size_t chunk_bytes; unsigned int ch, i; if (!hw_map) return data; chunk_bytes = count * bits_per_frame / 8; if (tmp_size < chunk_bytes) { free(tmp); tmp = malloc(chunk_bytes); if (!tmp) { error(_("not enough memory")); exit(1); } tmp_size = count; } src = data; dst = tmp; for (i = 0; i < count; i++) { for (ch = 0; ch < hwparams.channels; ch++) { memcpy(dst, src + sample_bytes * hw_map[ch], sample_bytes); dst += sample_bytes; } src += step; } return tmp; } static uint8_t **remap_datav(uint8_t **data, size_t count ATTRIBUTE_UNUSED) { static uint8_t **tmp; unsigned int ch; if (!hw_map) return data; if (!tmp) { tmp = malloc(sizeof(*tmp) * hwparams.channels); if (!tmp) { error(_("not enough memory")); exit(1); } for (ch = 0; ch < hwparams.channels; ch++) tmp[ch] = data[hw_map[ch]]; } return tmp; } #else #define remap_data(data, count) (data) #define remap_datav(data, count) (data) #endif /* * write function */ static ssize_t pcm_write(uint8_t *data, size_t count) { ssize_t r; ssize_t result = 0; if (count < chunk_size) { snd_pcm_format_set_silence(hwparams.format, data + count * bits_per_frame / 8, (chunk_size - count) * hwparams.channels); count = chunk_size; } data = remap_data(data, count); while (count > 0 && !in_aborting) { if (test_position) do_test_position(); check_stdin(); r = writei_func(handle, data, count); if (test_position) do_test_position(); if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) { if (!test_nowait) snd_pcm_wait(handle, 100); } else if (r == -EPIPE) { xrun(); } else if (r == -ESTRPIPE) { suspend(); } else if (r < 0) { error(_("write error: %s"), snd_strerror(r)); prg_exit(EXIT_FAILURE); } if (r > 0) { if (vumeter) compute_max_peak(data, r * hwparams.channels); result += r; count -= r; data += r * bits_per_frame / 8; } } return result; } static ssize_t pcm_writev(uint8_t **data, unsigned int channels, size_t count) { ssize_t r; size_t result = 0; if (count != chunk_size) { unsigned int channel; size_t offset = count; size_t remaining = chunk_size - count; for (channel = 0; channel < channels; channel++) snd_pcm_format_set_silence(hwparams.format, data[channel] + offset * bits_per_sample / 8, remaining); count = chunk_size; } data = remap_datav(data, count); while (count > 0 && !in_aborting) { unsigned int channel; void *bufs[channels]; size_t offset = result; for (channel = 0; channel < channels; channel++) bufs[channel] = data[channel] + offset * bits_per_sample / 8; if (test_position) do_test_position(); check_stdin(); r = writen_func(handle, bufs, count); if (test_position) do_test_position(); if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) { if (!test_nowait) snd_pcm_wait(handle, 100); } else if (r == -EPIPE) { xrun(); } else if (r == -ESTRPIPE) { suspend(); } else if (r < 0) { error(_("writev error: %s"), snd_strerror(r)); prg_exit(EXIT_FAILURE); } if (r > 0) { if (vumeter) { for (channel = 0; channel < channels; channel++) compute_max_peak(data[channel], r); } result += r; count -= r; } } return result; } /* * read function */ static ssize_t pcm_read(uint8_t *data, size_t rcount) { ssize_t r; size_t result = 0; size_t count = rcount; if (count != chunk_size) { count = chunk_size; } while (count > 0) { if (in_aborting) goto abort; if (test_position) do_test_position(); check_stdin(); r = readi_func(handle, data, count); if (test_position) do_test_position(); if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) { if (!test_nowait) snd_pcm_wait(handle, 100); } else if (r == -EPIPE) { xrun(); } else if (r == -ESTRPIPE) { suspend(); } else if (r < 0) { error(_("read error: %s"), snd_strerror(r)); prg_exit(EXIT_FAILURE); } if (r > 0) { if (vumeter) compute_max_peak(data, r * hwparams.channels); result += r; count -= r; data += r * bits_per_frame / 8; } } abort: return result > rcount ? rcount : result; } static ssize_t pcm_readv(uint8_t **data, unsigned int channels, size_t rcount) { ssize_t r; size_t result = 0; size_t count = rcount; if (count != chunk_size) { count = chunk_size; } while (count > 0) { if (in_aborting) goto abort; unsigned int channel; void *bufs[channels]; size_t offset = result; for (channel = 0; channel < channels; channel++) bufs[channel] = data[channel] + offset * bits_per_sample / 8; if (test_position) do_test_position(); check_stdin(); r = readn_func(handle, bufs, count); if (test_position) do_test_position(); if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) { if (!test_nowait) snd_pcm_wait(handle, 100); } else if (r == -EPIPE) { xrun(); } else if (r == -ESTRPIPE) { suspend(); } else if (r < 0) { error(_("readv error: %s"), snd_strerror(r)); prg_exit(EXIT_FAILURE); } if (r > 0) { if (vumeter) { for (channel = 0; channel < channels; channel++) compute_max_peak(data[channel], r); } result += r; count -= r; } } abort: return rcount; } /* * ok, let's play a .voc file */ static ssize_t voc_pcm_write(uint8_t *data, size_t count) { ssize_t result = count, r; size_t size; while (count > 0 && !in_aborting) { size = count; if (size > chunk_bytes - buffer_pos) size = chunk_bytes - buffer_pos; memcpy(audiobuf + buffer_pos, data, size); data += size; count -= size; buffer_pos += size; if ((size_t)buffer_pos == chunk_bytes) { if ((size_t)(r = pcm_write(audiobuf, chunk_size)) != chunk_size) return r; buffer_pos = 0; } } return result; } static void voc_write_silence(unsigned x) { unsigned l; uint8_t *buf; buf = (uint8_t *) malloc(chunk_bytes); if (buf == NULL) { error(_("can't allocate buffer for silence")); return; /* not fatal error */ } snd_pcm_format_set_silence(hwparams.format, buf, chunk_size * hwparams.channels); while (x > 0 && !in_aborting) { l = x; if (l > chunk_size) l = chunk_size; if (voc_pcm_write(buf, l) != (ssize_t)l) { error(_("write error")); prg_exit(EXIT_FAILURE); } x -= l; } free(buf); } static void voc_pcm_flush(void) { if (buffer_pos > 0) { size_t b; if (snd_pcm_format_set_silence(hwparams.format, audiobuf + buffer_pos, chunk_bytes - buffer_pos * 8 / bits_per_sample) < 0) fprintf(stderr, _("voc_pcm_flush - silence error")); b = chunk_size; if (pcm_write(audiobuf, b) != (ssize_t)b) error(_("voc_pcm_flush error")); } snd_pcm_nonblock(handle, 0); snd_pcm_drain(handle); snd_pcm_nonblock(handle, nonblock); } static void voc_play(int fd, int ofs, char *name) { int l; VocBlockType *bp; VocVoiceData *vd; VocExtBlock *eb; size_t nextblock, in_buffer; uint8_t *data, *buf; char was_extended = 0, output = 0; uint16_t *sp, repeat = 0; off_t filepos = 0; #define COUNT(x) nextblock -= x; in_buffer -= x; data += x #define COUNT1(x) in_buffer -= x; data += x data = buf = (uint8_t *)malloc(64 * 1024); buffer_pos = 0; if (data == NULL) { error(_("malloc error")); prg_exit(EXIT_FAILURE); } if (!quiet_mode) { fprintf(stderr, _("Playing Creative Labs Channel file '%s'...\n"), name); } /* first we waste the rest of header, ugly but we don't need seek */ while (ofs > (ssize_t)chunk_bytes) { if ((size_t)safe_read(fd, buf, chunk_bytes) != chunk_bytes) { error(_("read error")); prg_exit(EXIT_FAILURE); } ofs -= chunk_bytes; } if (ofs) { if (safe_read(fd, buf, ofs) != ofs) { error(_("read error")); prg_exit(EXIT_FAILURE); } } hwparams.format = DEFAULT_FORMAT; hwparams.channels = 1; hwparams.rate = DEFAULT_SPEED; set_params(); in_buffer = nextblock = 0; while (!in_aborting) { Fill_the_buffer: /* need this for repeat */ if (in_buffer < 32) { /* move the rest of buffer to pos 0 and fill the buf up */ if (in_buffer) memcpy(buf, data, in_buffer); data = buf; if ((l = safe_read(fd, buf + in_buffer, chunk_bytes - in_buffer)) > 0) in_buffer += l; else if (!in_buffer) { /* the file is truncated, so simulate 'Terminator' and reduce the datablock for safe landing */ nextblock = buf[0] = 0; if (l == -1) { perror(name); prg_exit(EXIT_FAILURE); } } } while (!nextblock) { /* this is a new block */ if (in_buffer < sizeof(VocBlockType)) goto __end; bp = (VocBlockType *) data; COUNT1(sizeof(VocBlockType)); nextblock = VOC_DATALEN(bp); if (output && !quiet_mode) fprintf(stderr, "\n"); /* write /n after ASCII-out */ output = 0; switch (bp->type) { case 0: #if 0 d_printf("Terminator\n"); #endif return; /* VOC-file stop */ case 1: vd = (VocVoiceData *) data; COUNT1(sizeof(VocVoiceData)); /* we need a SYNC, before we can set new SPEED, STEREO ... */ if (!was_extended) { hwparams.rate = (int) (vd->tc); hwparams.rate = 1000000 / (256 - hwparams.rate); #if 0 d_printf("Channel data %d Hz\n", dsp_speed); #endif if (vd->pack) { /* /dev/dsp can't it */ error(_("can't play packed .voc files")); return; } if (hwparams.channels == 2) /* if we are in Stereo-Mode, switch back */ hwparams.channels = 1; } else { /* there was extended block */ hwparams.channels = 2; was_extended = 0; } set_params(); break; case 2: /* nothing to do, pure data */ #if 0 d_printf("Channel continuation\n"); #endif break; case 3: /* a silence block, no data, only a count */ sp = (uint16_t *) data; COUNT1(sizeof(uint16_t)); hwparams.rate = (int) (*data); COUNT1(1); hwparams.rate = 1000000 / (256 - hwparams.rate); set_params(); #if 0 { size_t silence; silence = (((size_t) * sp) * 1000) / hwparams.rate; d_printf("Silence for %d ms\n", (int) silence); } #endif voc_write_silence(*sp); break; case 4: /* a marker for syncronisation, no effect */ sp = (uint16_t *) data; COUNT1(sizeof(uint16_t)); #if 0 d_printf("Marker %d\n", *sp); #endif break; case 5: /* ASCII text, we copy to stderr */ output = 1; #if 0 d_printf("ASCII - text :\n"); #endif break; case 6: /* repeat marker, says repeatcount */ /* my specs don't say it: maybe this can be recursive, but I don't think somebody use it */ repeat = *(uint16_t *) data; COUNT1(sizeof(uint16_t)); #if 0 d_printf("Repeat loop %d times\n", repeat); #endif if (filepos >= 0) { /* if < 0, one seek fails, why test another */ if ((filepos = lseek(fd, 0, 1)) < 0) { error(_("can't play loops; %s isn't seekable\n"), name); repeat = 0; } else { filepos -= in_buffer; /* set filepos after repeat */ } } else { repeat = 0; } break; case 7: /* ok, lets repeat that be rewinding tape */ if (repeat) { if (repeat != 0xFFFF) { #if 0 d_printf("Repeat loop %d\n", repeat); #endif --repeat; } #if 0 else d_printf("Neverending loop\n"); #endif lseek(fd, filepos, 0); in_buffer = 0; /* clear the buffer */ goto Fill_the_buffer; } #if 0 else d_printf("End repeat loop\n"); #endif break; case 8: /* the extension to play Stereo, I have SB 1.0 :-( */ was_extended = 1; eb = (VocExtBlock *) data; COUNT1(sizeof(VocExtBlock)); hwparams.rate = (int) (eb->tc); hwparams.rate = 256000000L / (65536 - hwparams.rate); hwparams.channels = eb->mode == VOC_MODE_STEREO ? 2 : 1; if (hwparams.channels == 2) hwparams.rate = hwparams.rate >> 1; if (eb->pack) { /* /dev/dsp can't it */ error(_("can't play packed .voc files")); return; } #if 0 d_printf("Extended block %s %d Hz\n", (eb->mode ? "Stereo" : "Mono"), dsp_speed); #endif break; default: error(_("unknown blocktype %d. terminate."), bp->type); return; } /* switch (bp->type) */ } /* while (! nextblock) */ /* put nextblock data bytes to dsp */ l = in_buffer; if (nextblock < (size_t)l) l = nextblock; if (l) { if (output && !quiet_mode) { if (xwrite(2, data, l) != l) { /* to stderr */ error(_("write error")); prg_exit(EXIT_FAILURE); } } else { if (voc_pcm_write(data, l) != l) { error(_("write error")); prg_exit(EXIT_FAILURE); } } COUNT(l); } } /* while(1) */ __end: if (!in_aborting) { voc_pcm_flush(); } free(buf); } /* that was a big one, perhaps somebody split it :-) */ /* setting the globals for playing raw data */ static void init_raw_data(void) { hwparams = rhwparams; } /* calculate the data count to read from/to dsp */ static off_t calc_count(void) { off_t count; if (timelimit == 0) if (sampleslimit == 0) count = pbrec_count; else count = snd_pcm_format_size(hwparams.format, sampleslimit * hwparams.channels); else { count = snd_pcm_format_size(hwparams.format, hwparams.rate * hwparams.channels); count *= (off_t)timelimit; } return count < pbrec_count ? count : pbrec_count; } /* write a .VOC-header */ static void begin_voc(int fd, size_t cnt) { VocHeader vh; VocBlockType bt; VocVoiceData vd; VocExtBlock eb; memcpy(vh.magic, VOC_MAGIC_STRING, 20); vh.headerlen = LE_SHORT(sizeof(VocHeader)); vh.version = LE_SHORT(VOC_ACTUAL_VERSION); vh.coded_ver = LE_SHORT(0x1233 - VOC_ACTUAL_VERSION); if (xwrite(fd, &vh, sizeof(VocHeader)) != sizeof(VocHeader)) { error(_("write error")); prg_exit(EXIT_FAILURE); } if (hwparams.channels > 1) { /* write an extended block */ bt.type = 8; bt.datalen = 4; bt.datalen_m = bt.datalen_h = 0; if (xwrite(fd, &bt, sizeof(VocBlockType)) != sizeof(VocBlockType)) { error(_("write error")); prg_exit(EXIT_FAILURE); } eb.tc = LE_SHORT(65536 - 256000000L / (hwparams.rate << 1)); eb.pack = 0; eb.mode = 1; if (xwrite(fd, &eb, sizeof(VocExtBlock)) != sizeof(VocExtBlock)) { error(_("write error")); prg_exit(EXIT_FAILURE); } } bt.type = 1; cnt += sizeof(VocVoiceData); /* Channel_data block follows */ bt.datalen = (uint8_t) (cnt & 0xFF); bt.datalen_m = (uint8_t) ((cnt & 0xFF00) >> 8); bt.datalen_h = (uint8_t) ((cnt & 0xFF0000) >> 16); if (xwrite(fd, &bt, sizeof(VocBlockType)) != sizeof(VocBlockType)) { error(_("write error")); prg_exit(EXIT_FAILURE); } vd.tc = (uint8_t) (256 - (1000000 / hwparams.rate)); vd.pack = 0; if (xwrite(fd, &vd, sizeof(VocVoiceData)) != sizeof(VocVoiceData)) { error(_("write error")); prg_exit(EXIT_FAILURE); } } /* write a WAVE-header */ static void begin_wave(int fd, size_t cnt) { WaveHeader h; WaveFmtBody f; WaveChunkHeader cf, cd; int bits; uint32_t tmp; uint16_t tmp2; /* WAVE cannot handle greater than 32bit (signed?) int */ if (cnt == (size_t)-2) cnt = 0x7fffff00; bits = 8; switch ((unsigned long) hwparams.format) { case SND_PCM_FORMAT_U8: bits = 8; break; case SND_PCM_FORMAT_S16_LE: bits = 16; break; case SND_PCM_FORMAT_S32_LE: case SND_PCM_FORMAT_FLOAT_LE: bits = 32; break; case SND_PCM_FORMAT_S24_LE: case SND_PCM_FORMAT_S24_3LE: bits = 24; break; default: error(_("Wave doesn't support %s format..."), snd_pcm_format_name(hwparams.format)); prg_exit(EXIT_FAILURE); } h.magic = WAV_RIFF; tmp = cnt + sizeof(WaveHeader) + sizeof(WaveChunkHeader) + sizeof(WaveFmtBody) + sizeof(WaveChunkHeader) - 8; h.length = LE_INT(tmp); h.type = WAV_WAVE; cf.type = WAV_FMT; cf.length = LE_INT(16); if (hwparams.format == SND_PCM_FORMAT_FLOAT_LE) f.format = LE_SHORT(WAV_FMT_IEEE_FLOAT); else f.format = LE_SHORT(WAV_FMT_PCM); f.channels = LE_SHORT(hwparams.channels); f.sample_fq = LE_INT(hwparams.rate); #if 0 tmp2 = (samplesize == 8) ? 1 : 2; f.byte_p_spl = LE_SHORT(tmp2); tmp = dsp_speed * hwparams.channels * (uint32_t) tmp2; #else tmp2 = hwparams.channels * snd_pcm_format_physical_width(hwparams.format) / 8; f.byte_p_spl = LE_SHORT(tmp2); tmp = (uint32_t) tmp2 * hwparams.rate; #endif f.byte_p_sec = LE_INT(tmp); f.bit_p_spl = LE_SHORT(bits); cd.type = WAV_DATA; cd.length = LE_INT(cnt); if (xwrite(fd, &h, sizeof(WaveHeader)) != sizeof(WaveHeader) || xwrite(fd, &cf, sizeof(WaveChunkHeader)) != sizeof(WaveChunkHeader) || xwrite(fd, &f, sizeof(WaveFmtBody)) != sizeof(WaveFmtBody) || xwrite(fd, &cd, sizeof(WaveChunkHeader)) != sizeof(WaveChunkHeader)) { error(_("write error")); prg_exit(EXIT_FAILURE); } } /* write a Au-header */ static void begin_au(int fd, size_t cnt) { AuHeader ah; ah.magic = AU_MAGIC; ah.hdr_size = BE_INT(24); ah.data_size = BE_INT(cnt); switch ((unsigned long) hwparams.format) { case SND_PCM_FORMAT_MU_LAW: ah.encoding = BE_INT(AU_FMT_ULAW); break; case SND_PCM_FORMAT_U8: ah.encoding = BE_INT(AU_FMT_LIN8); break; case SND_PCM_FORMAT_S16_BE: ah.encoding = BE_INT(AU_FMT_LIN16); break; default: error(_("Sparc Audio doesn't support %s format..."), snd_pcm_format_name(hwparams.format)); prg_exit(EXIT_FAILURE); } ah.sample_rate = BE_INT(hwparams.rate); ah.channels = BE_INT(hwparams.channels); if (xwrite(fd, &ah, sizeof(AuHeader)) != sizeof(AuHeader)) { error(_("write error")); prg_exit(EXIT_FAILURE); } } /* closing .VOC */ static void end_voc(int fd) { off_t length_seek; VocBlockType bt; size_t cnt; char dummy = 0; /* Write a Terminator */ if (xwrite(fd, &dummy, 1) != 1) { error(_("write error")); prg_exit(EXIT_FAILURE); } length_seek = sizeof(VocHeader); if (hwparams.channels > 1) length_seek += sizeof(VocBlockType) + sizeof(VocExtBlock); bt.type = 1; cnt = fdcount; cnt += sizeof(VocVoiceData); /* Channel_data block follows */ if (cnt > 0x00ffffff) cnt = 0x00ffffff; bt.datalen = (uint8_t) (cnt & 0xFF); bt.datalen_m = (uint8_t) ((cnt & 0xFF00) >> 8); bt.datalen_h = (uint8_t) ((cnt & 0xFF0000) >> 16); if (lseek(fd, length_seek, SEEK_SET) == length_seek) xwrite(fd, &bt, sizeof(VocBlockType)); } static void end_wave(int fd) { /* only close output */ WaveChunkHeader cd; off_t length_seek; off_t filelen; uint32_t rifflen; length_seek = sizeof(WaveHeader) + sizeof(WaveChunkHeader) + sizeof(WaveFmtBody); cd.type = WAV_DATA; cd.length = fdcount > 0x7fffffff ? LE_INT(0x7fffffff) : LE_INT(fdcount); filelen = fdcount + 2*sizeof(WaveChunkHeader) + sizeof(WaveFmtBody) + 4; rifflen = filelen > 0x7fffffff ? LE_INT(0x7fffffff) : LE_INT(filelen); if (lseek(fd, 4, SEEK_SET) == 4) xwrite(fd, &rifflen, 4); if (lseek(fd, length_seek, SEEK_SET) == length_seek) xwrite(fd, &cd, sizeof(WaveChunkHeader)); } static void end_au(int fd) { /* only close output */ AuHeader ah; off_t length_seek; length_seek = (char *)&ah.data_size - (char *)&ah; ah.data_size = fdcount > 0xffffffff ? 0xffffffff : BE_INT(fdcount); if (lseek(fd, length_seek, SEEK_SET) == length_seek) xwrite(fd, &ah.data_size, sizeof(ah.data_size)); } static void header(int rtype, char *name) { if (!quiet_mode) { if (! name) name = (stream == SND_PCM_STREAM_PLAYBACK) ? "stdout" : "stdin"; fprintf(stderr, "%s %s '%s' : ", (stream == SND_PCM_STREAM_PLAYBACK) ? _("Playing") : _("Recording"), gettext(fmt_rec_table[rtype].what), name); fprintf(stderr, "%s, ", snd_pcm_format_description(hwparams.format)); fprintf(stderr, _("Rate %d Hz, "), hwparams.rate); if (hwparams.channels == 1) fprintf(stderr, _("Mono")); else if (hwparams.channels == 2) fprintf(stderr, _("Stereo")); else fprintf(stderr, _("Channels %i"), hwparams.channels); fprintf(stderr, "\n"); } } /* playing raw data */ static void playback_go(int fd, size_t loaded, off_t count, int rtype, char *name) { int l, r; off_t written = 0; off_t c; header(rtype, name); set_params(); while (loaded > chunk_bytes && written < count && !in_aborting) { if (pcm_write(audiobuf + written, chunk_size) <= 0) return; written += chunk_bytes; loaded -= chunk_bytes; } if (written > 0 && loaded > 0) memmove(audiobuf, audiobuf + written, loaded); l = loaded; while (written < count && !in_aborting) { do { c = count - written; if (c > (off_t)chunk_bytes) c = chunk_bytes; /* c < l, there is more data loaded * then we actually need to write */ if (c < l) l = c; c -= l; if (c == 0) break; r = safe_read(fd, audiobuf + l, c); if (r < 0) { perror(name); prg_exit(EXIT_FAILURE); } fdcount += r; if (r == 0) break; l += r; } while ((size_t)l < chunk_bytes); l = l * 8 / bits_per_frame; r = pcm_write(audiobuf, l); if (r != l) break; r = r * bits_per_frame / 8; written += r; l = 0; } if (!in_aborting) { snd_pcm_nonblock(handle, 0); snd_pcm_drain(handle); snd_pcm_nonblock(handle, nonblock); } } static int read_header(int *loaded, int header_size) { int ret; struct stat buf; ret = fstat(fd, &buf); if (ret < 0) { perror("fstat"); prg_exit(EXIT_FAILURE); } /* don't be adventurous, get out if file size is smaller than * requested header size */ if ((buf.st_mode & S_IFMT) == S_IFREG && buf.st_size < header_size) return -1; if (*loaded < header_size) { header_size -= *loaded; ret = safe_read(fd, audiobuf + *loaded, header_size); if (ret != header_size) { error(_("read error")); prg_exit(EXIT_FAILURE); } *loaded += header_size; } return 0; } static int playback_au(char *name, int *loaded) { if (read_header(loaded, sizeof(AuHeader)) < 0) return -1; if (test_au(fd, audiobuf) < 0) return -1; rhwparams.format = hwparams.format; pbrec_count = calc_count(); playback_go(fd, *loaded - sizeof(AuHeader), pbrec_count, FORMAT_AU, name); return 0; } static int playback_voc(char *name, int *loaded) { int ofs; if (read_header(loaded, sizeof(VocHeader)) < 0) return -1; if ((ofs = test_vocfile(audiobuf)) < 0) return -1; pbrec_count = calc_count(); voc_play(fd, ofs, name); return 0; } static int playback_wave(char *name, int *loaded) { ssize_t dtawave; if (read_header(loaded, sizeof(WaveHeader)) < 0) return -1; if ((dtawave = test_wavefile(fd, audiobuf, *loaded)) < 0) return -1; pbrec_count = calc_count(); playback_go(fd, dtawave, pbrec_count, FORMAT_WAVE, name); return 0; } static int playback_raw(char *name, int *loaded) { init_raw_data(); pbrec_count = calc_count(); playback_go(fd, *loaded, pbrec_count, FORMAT_RAW, name); return 0; } /* * let's play or capture it (capture_type says VOC/WAVE/raw) */ static void playback(char *name) { int loaded = 0; pbrec_count = LLONG_MAX; fdcount = 0; if (!name || !strcmp(name, "-")) { fd = fileno(stdin); name = "stdin"; } else { init_stdin(); if ((fd = open(name, O_RDONLY, 0)) == -1) { perror(name); prg_exit(EXIT_FAILURE); } } switch(file_type) { case FORMAT_AU: playback_au(name, &loaded); break; case FORMAT_VOC: playback_voc(name, &loaded); break; case FORMAT_WAVE: playback_wave(name, &loaded); break; case FORMAT_RAW: playback_raw(name, &loaded); break; default: /* parse the file header */ if (playback_au(name, &loaded) < 0 && playback_voc(name, &loaded) < 0 && playback_wave(name, &loaded) < 0) playback_raw(name, &loaded); /* should be raw data */ break; } if (fd != fileno(stdin)) close(fd); } /** * mystrftime * * Variant of strftime(3) that supports additional format * specifiers in the format string. * * Parameters: * * s - destination string * max - max number of bytes to write * userformat - format string * tm - time information * filenumber - the number of the file, starting at 1 * * Returns: number of bytes written to the string s */ size_t mystrftime(char *s, size_t max, const char *userformat, const struct tm *tm, const int filenumber) { char formatstring[PATH_MAX] = ""; char tempstring[PATH_MAX] = ""; char *format, *tempstr; const char *pos_userformat; format = formatstring; /* if mystrftime is called with userformat = NULL we return a zero length string */ if (userformat == NULL) { *s = '\0'; return 0; } for (pos_userformat = userformat; *pos_userformat; ++pos_userformat) { if (*pos_userformat == '%') { tempstr = tempstring; tempstr[0] = '\0'; switch (*++pos_userformat) { case '\0': // end of string --pos_userformat; break; case 'v': // file number sprintf(tempstr, "%02d", filenumber); break; default: // All other codes will be handled by strftime *format++ = '%'; *format++ = *pos_userformat; continue; } /* If a format specifier was found and used, copy the result. */ if (tempstr[0]) { while ((*format = *tempstr++) != '\0') ++format; continue; } } /* For any other character than % we simply copy the character */ *format++ = *pos_userformat; } *format = '\0'; format = formatstring; return strftime(s, max, format, tm); } static int new_capture_file(char *name, char *namebuf, size_t namelen, int filecount) { char *s; char buf[PATH_MAX-10]; time_t t; struct tm *tmp; if (use_strftime) { t = time(NULL); tmp = localtime(&t); if (tmp == NULL) { perror("localtime"); prg_exit(EXIT_FAILURE); } if (mystrftime(namebuf, namelen, name, tmp, filecount+1) == 0) { fprintf(stderr, "mystrftime returned 0"); prg_exit(EXIT_FAILURE); } return filecount; } /* get a copy of the original filename */ strncpy(buf, name, sizeof(buf)); buf[sizeof(buf)-1] = '\0'; /* separate extension from filename */ s = buf + strlen(buf); while (s > buf && *s != '.' && *s != '/') --s; if (*s == '.') *s++ = 0; else if (*s == '/') s = buf + strlen(buf); /* upon first jump to this if block rename the first file */ if (filecount == 1) { if (*s) snprintf(namebuf, namelen, "%s-01.%s", buf, s); else snprintf(namebuf, namelen, "%s-01", buf); remove(namebuf); rename(name, namebuf); filecount = 2; } /* name of the current file */ if (*s) snprintf(namebuf, namelen, "%s-%02i.%s", buf, filecount, s); else snprintf(namebuf, namelen, "%s-%02i", buf, filecount); return filecount; } /** * create_path * * This function creates a file path, like mkdir -p. * * Parameters: * * path - the path to create * * Returns: 0 on success, -1 on failure * On failure, a message has been printed to stderr. */ int create_path(const char *path) { char *start; mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; if (path[0] == '/') start = strchr(path + 1, '/'); else start = strchr(path, '/'); while (start) { char *buffer = strdup(path); buffer[start-path] = 0x00; if (mkdir(buffer, mode) == -1 && errno != EEXIST) { fprintf(stderr, "Problem creating directory %s", buffer); perror(" "); free(buffer); return -1; } free(buffer); start = strchr(start + 1, '/'); } return 0; } static int safe_open(const char *name) { int fd; fd = open(name, O_WRONLY | O_CREAT, 0644); if (fd == -1) { if (errno != ENOENT || !use_strftime) return -1; if (create_path(name) == 0) fd = open(name, O_WRONLY | O_CREAT, 0644); } return fd; } static void capture(char *orig_name) { int tostdout=0; /* boolean which describes output stream */ int filecount=0; /* number of files written */ char *name = orig_name; /* current filename */ char namebuf[PATH_MAX+2]; off_t count, rest; /* number of bytes to capture */ struct stat statbuf; /* setup sound hardware */ set_params(); /* get number of bytes to capture */ count = calc_count(); if (count == 0) count = LLONG_MAX; /* compute the number of bytes per file */ max_file_size = (long long) max_file_time * snd_pcm_format_size(hwparams.format, hwparams.rate * hwparams.channels); /* WAVE-file should be even (I'm not sure), but wasting one byte isn't a problem (this can only be in 8 bit mono) */ if (count < LLONG_MAX) count += count % 2; else count -= count % 2; /* display verbose output to console */ header(file_type, name); /* write to stdout? */ if (!name || !strcmp(name, "-")) { fd = fileno(stdout); name = "stdout"; tostdout = 1; if (count > fmt_rec_table[file_type].max_filesize) count = fmt_rec_table[file_type].max_filesize; } init_stdin(); do { /* open a file to write */ if (!tostdout) { /* upon the second file we start the numbering scheme */ if (filecount || use_strftime) { filecount = new_capture_file(orig_name, namebuf, sizeof(namebuf), filecount); name = namebuf; } /* open a new file */ if (!lstat(name, &statbuf)) { if (S_ISREG(statbuf.st_mode)) remove(name); } fd = safe_open(name); if (fd < 0) { perror(name); prg_exit(EXIT_FAILURE); } filecount++; } rest = count; if (rest > fmt_rec_table[file_type].max_filesize) rest = fmt_rec_table[file_type].max_filesize; if (max_file_size && (rest > max_file_size)) rest = max_file_size; /* setup sample header */ if (fmt_rec_table[file_type].start) fmt_rec_table[file_type].start(fd, rest); /* capture */ fdcount = 0; while (rest > 0 && recycle_capture_file == 0 && !in_aborting) { size_t c = (rest <= (off_t)chunk_bytes) ? (size_t)rest : chunk_bytes; size_t f = c * 8 / bits_per_frame; size_t read = pcm_read(audiobuf, f); size_t save; if (read != f) in_aborting = 1; save = read * bits_per_frame / 8; if (xwrite(fd, audiobuf, save) != (ssize_t)save) { perror(name); in_aborting = 1; break; } count -= c; rest -= c; fdcount += save; } /* re-enable SIGUSR1 signal */ if (recycle_capture_file) { recycle_capture_file = 0; signal(SIGUSR1, signal_handler_recycle); } /* finish sample container */ if (!tostdout) { if (fmt_rec_table[file_type].end) fmt_rec_table[file_type].end(fd); close(fd); fd = -1; } if (in_aborting) prg_exit(EXIT_FAILURE); /* repeat the loop when format is raw without timelimit or * requested counts of data are recorded */ } while ((file_type == FORMAT_RAW && !timelimit && !sampleslimit) || count > 0); } static void playbackv_go(int* fds, unsigned int channels, size_t loaded, off_t count, int rtype, char **names) { int r; size_t vsize; unsigned int channel; uint8_t *bufs[channels]; header(rtype, names[0]); set_params(); vsize = chunk_bytes / channels; // Not yet implemented assert(loaded == 0); for (channel = 0; channel < channels; ++channel) bufs[channel] = audiobuf + vsize * channel; while (count > 0 && !in_aborting) { size_t c = 0; size_t expected = count / channels; if (expected > vsize) expected = vsize; do { r = safe_read(fds[0], bufs[0], expected); if (r < 0) { perror(names[0]); prg_exit(EXIT_FAILURE); } for (channel = 1; channel < channels; ++channel) { if (safe_read(fds[channel], bufs[channel], r) != r) { perror(names[channel]); prg_exit(EXIT_FAILURE); } } if (r == 0) break; c += r; } while (c < expected); c = c * 8 / bits_per_sample; r = pcm_writev(bufs, channels, c); if ((size_t)r != c) break; r = r * bits_per_frame / 8; count -= r; } if (!in_aborting) { snd_pcm_nonblock(handle, 0); snd_pcm_drain(handle); snd_pcm_nonblock(handle, nonblock); } } static void capturev_go(int* fds, unsigned int channels, off_t count, int rtype, char **names) { size_t c; ssize_t r; unsigned int channel; size_t vsize; uint8_t *bufs[channels]; header(rtype, names[0]); set_params(); vsize = chunk_bytes / channels; for (channel = 0; channel < channels; ++channel) bufs[channel] = audiobuf + vsize * channel; while (count > 0 && !in_aborting) { size_t rv; c = count; if (c > chunk_bytes) c = chunk_bytes; c = c * 8 / bits_per_frame; if ((size_t)(r = pcm_readv(bufs, channels, c)) != c) break; rv = r * bits_per_sample / 8; for (channel = 0; channel < channels; ++channel) { if ((size_t)xwrite(fds[channel], bufs[channel], rv) != rv) { perror(names[channel]); prg_exit(EXIT_FAILURE); } } r = r * bits_per_frame / 8; count -= r; fdcount += r; } } static void playbackv(char **names, unsigned int count) { int ret = 0; unsigned int channel; unsigned int channels = rhwparams.channels; int alloced = 0; int fds[channels]; for (channel = 0; channel < channels; ++channel) fds[channel] = -1; if (count == 1 && channels > 1) { size_t len = strlen(names[0]); char buf[len + 1]; strcpy(buf, names[0]); /* 1 for "." + 3 for channel (<= 256) + 1 for null terminator */ len += 5; names = malloc(sizeof(*names) * channels); for (channel = 0; channel < channels; ++channel) { names[channel] = malloc(len); snprintf(names[channel], len, "%s.%d", buf, channel); } alloced = 1; } else if (count != channels) { error(_("You need to specify %u files"), channels); prg_exit(EXIT_FAILURE); } for (channel = 0; channel < channels; ++channel) { fds[channel] = open(names[channel], O_RDONLY, 0); if (fds[channel] < 0) { perror(names[channel]); ret = EXIT_FAILURE; goto __end; } } /* should be raw data */ init_raw_data(); pbrec_count = calc_count(); playbackv_go(fds, channels, 0, pbrec_count, FORMAT_RAW, names); __end: for (channel = 0; channel < channels; ++channel) { if (fds[channel] >= 0) close(fds[channel]); if (alloced) free(names[channel]); } if (alloced) free(names); if (ret) prg_exit(ret); } static void capturev(char **names, unsigned int count) { int ret = 0; unsigned int channel; unsigned int channels = rhwparams.channels; int alloced = 0; int fds[channels]; for (channel = 0; channel < channels; ++channel) fds[channel] = -1; if (count == 1) { size_t len = strlen(names[0]); char buf[len + 1]; strcpy(buf, names[0]); /* 1 for "." + 3 for channel (<= 256) + 1 for null terminator */ len += 5; names = malloc(sizeof(*names) * channels); for (channel = 0; channel < channels; ++channel) { names[channel] = malloc(len); snprintf(names[channel], len, "%s.%d", buf, channel); } alloced = 1; } else if (count != channels) { error(_("You need to specify %d files"), channels); prg_exit(EXIT_FAILURE); } for (channel = 0; channel < channels; ++channel) { fds[channel] = open(names[channel], O_WRONLY + O_CREAT, 0644); if (fds[channel] < 0) { perror(names[channel]); ret = EXIT_FAILURE; goto __end; } } /* should be raw data */ init_raw_data(); pbrec_count = calc_count(); capturev_go(fds, channels, pbrec_count, FORMAT_RAW, names); __end: for (channel = 0; channel < channels; ++channel) { if (fds[channel] >= 0) close(fds[channel]); if (alloced) free(names[channel]); } if (alloced) free(names); if (ret) prg_exit(ret); }