mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-08 23:15:41 +01:00
6343f35202
i18nize some programs with gettext.
2221 lines
57 KiB
C
2221 lines
57 KiB
C
/*
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* aplay.c - plays and records
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*
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* CREATIVE LABS CHANNEL-files
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* Microsoft WAVE-files
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* SPARC AUDIO .AU-files
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* Raw Data
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*
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* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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* Based on vplay program by Michael Beck
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <malloc.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <alsa/asoundlib.h>
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#include <assert.h>
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#include <sys/poll.h>
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#include <sys/uio.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include "aconfig.h"
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#include "gettext.h"
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#include "formats.h"
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#include "version.h"
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#ifndef LLONG_MAX
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#define LLONG_MAX 9223372036854775807LL
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#endif
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#define DEFAULT_FORMAT SND_PCM_FORMAT_U8
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#define DEFAULT_SPEED 8000
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#define FORMAT_DEFAULT -1
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#define FORMAT_RAW 0
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#define FORMAT_VOC 1
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#define FORMAT_WAVE 2
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#define FORMAT_AU 3
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/* global data */
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static snd_pcm_sframes_t (*readi_func)(snd_pcm_t *handle, void *buffer, snd_pcm_uframes_t size);
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static snd_pcm_sframes_t (*writei_func)(snd_pcm_t *handle, const void *buffer, snd_pcm_uframes_t size);
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static snd_pcm_sframes_t (*readn_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size);
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static snd_pcm_sframes_t (*writen_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size);
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static char *command;
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static snd_pcm_t *handle;
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static struct {
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snd_pcm_format_t format;
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unsigned int channels;
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unsigned int rate;
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} hwparams, rhwparams;
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static int timelimit = 0;
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static int quiet_mode = 0;
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static int file_type = FORMAT_DEFAULT;
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static unsigned int sleep_min = 0;
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static int open_mode = 0;
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static snd_pcm_stream_t stream = SND_PCM_STREAM_PLAYBACK;
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static int mmap_flag = 0;
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static int interleaved = 1;
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static int nonblock = 0;
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static char *audiobuf = NULL;
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static snd_pcm_uframes_t chunk_size = 0;
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static unsigned period_time = 0;
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static unsigned buffer_time = 0;
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static snd_pcm_uframes_t period_frames = 0;
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static snd_pcm_uframes_t buffer_frames = 0;
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static int avail_min = -1;
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static int start_delay = 0;
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static int stop_delay = 0;
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static int verbose = 0;
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static int buffer_pos = 0;
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static size_t bits_per_sample, bits_per_frame;
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static size_t chunk_bytes;
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static snd_output_t *log;
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static int fd = -1;
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static off64_t pbrec_count = LLONG_MAX, fdcount;
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static int vocmajor, vocminor;
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/* needed prototypes */
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static void playback(char *filename);
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static void capture(char *filename);
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static void playbackv(char **filenames, unsigned int count);
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static void capturev(char **filenames, unsigned int count);
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static void begin_voc(int fd, size_t count);
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static void end_voc(int fd);
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static void begin_wave(int fd, size_t count);
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static void end_wave(int fd);
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static void end_raw(int fd);
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static void begin_au(int fd, size_t count);
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static void end_au(int fd);
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struct fmt_capture {
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void (*start) (int fd, size_t count);
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void (*end) (int fd);
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char *what;
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} fmt_rec_table[] = {
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{ NULL, end_raw, N_("raw data") },
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{ begin_voc, end_voc, N_("VOC") },
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{ begin_wave, end_wave, N_("WAVE") },
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{ begin_au, end_au, N_("Sparc Audio")}
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};
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
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#define error(...) do {\
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fprintf(stderr, "%s: %s:%d: ", command, __FUNCTION__, __LINE__); \
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fprintf(stderr, __VA_ARGS__); \
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putc('\n', stderr); \
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} while (0)
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#else
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#define error(args...) do {\
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fprintf(stderr, "%s: %s:%d: ", command, __FUNCTION__, __LINE__); \
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fprintf(stderr, ##args); \
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putc('\n', stderr); \
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} while (0)
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#endif
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static void usage(char *command)
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{
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snd_pcm_format_t k;
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fprintf(stderr,
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_("Usage: %s [OPTION]... [FILE]...\n"
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"\n"
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"-h, --help help\n"
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" --version print current version\n"
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"-l, --list-devices list all soundcards and digital audio devices\n"
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"-L, --list-pcms list all PCMs defined\n"
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"-D, --device=NAME select PCM by name\n"
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"-q, --quiet quiet mode\n"
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"-t, --file-type TYPE file type (voc, wav, raw or au)\n"
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"-c, --channels=# channels\n"
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"-f, --format=FORMAT sample format (case insensitive)\n"
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"-r, --rate=# sample rate\n"
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"-d, --duration=# interrupt after # seconds\n"
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"-s, --sleep-min=# min ticks to sleep\n"
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"-M, --mmap mmap stream\n"
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"-N, --nonblock nonblocking mode\n"
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"-F, --period-time=# distance between interrupts is # microseconds\n"
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"-B, --buffer-time=# buffer duration is # microseconds\n"
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" --period-size=# distance between interrupts is # frames\n"
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" --buffer-size=# buffer duration is # frames\n"
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"-A, --avail-min=# min available space for wakeup is # microseconds\n"
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"-R, --start-delay=# delay for automatic PCM start is # microseconds \n"
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" (relative to buffer size if <= 0)\n"
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"-T, --stop-delay=# delay for automatic PCM stop is # microseconds from xrun\n"
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"-v, --verbose show PCM structure and setup (accumulative)\n"
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"-I, --separate-channels one file for each channel\n")
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, command);
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fprintf(stderr, _("Recognized sample formats are:"));
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for (k = 0; k < SND_PCM_FORMAT_LAST; ++k) {
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const char *s = snd_pcm_format_name(k);
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if (s)
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fprintf(stderr, " %s", s);
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}
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fprintf(stderr, _("\nSome of these may not be available on selected hardware\n"));
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fprintf(stderr, _("The availabled format shortcuts are:\n"));
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fprintf(stderr, _("-f cd (16 bit little endian, 44100, stereo)\n"));
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fprintf(stderr, _("-f cdr (16 bit big endian, 44100, stereo)\n"));
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fprintf(stderr, _("-f dat (16 bit little endian, 48000, stereo)\n"));
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}
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static void names_list(void)
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{
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int err;
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snd_devname_t *list, *item;
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err = snd_names_list("pcm", &list);
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if (err < 0) {
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error(_("snd_names_list error: %s"), snd_strerror(err));
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return;
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}
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item = list;
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while (item) {
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printf("%s [%s]\n", item->name, item->comment);
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item = item->next;
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}
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snd_names_list_free(list);
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}
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static void device_list(void)
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{
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snd_ctl_t *handle;
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int card, err, dev, idx;
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snd_ctl_card_info_t *info;
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snd_pcm_info_t *pcminfo;
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snd_ctl_card_info_alloca(&info);
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snd_pcm_info_alloca(&pcminfo);
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card = -1;
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if (snd_card_next(&card) < 0 || card < 0) {
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error(_("no soundcards found..."));
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return;
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}
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fprintf(stderr, _("**** List of %s Hardware Devices ****\n"),
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snd_pcm_stream_name(stream));
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while (card >= 0) {
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char name[32];
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sprintf(name, "hw:%d", card);
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if ((err = snd_ctl_open(&handle, name, 0)) < 0) {
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error("control open (%i): %s", card, snd_strerror(err));
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goto next_card;
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}
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if ((err = snd_ctl_card_info(handle, info)) < 0) {
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error("control hardware info (%i): %s", card, snd_strerror(err));
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snd_ctl_close(handle);
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goto next_card;
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}
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dev = -1;
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while (1) {
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unsigned int count;
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if (snd_ctl_pcm_next_device(handle, &dev)<0)
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error("snd_ctl_pcm_next_device");
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if (dev < 0)
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break;
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snd_pcm_info_set_device(pcminfo, dev);
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snd_pcm_info_set_subdevice(pcminfo, 0);
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snd_pcm_info_set_stream(pcminfo, stream);
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if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) {
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if (err != -ENOENT)
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error("control digital audio info (%i): %s", card, snd_strerror(err));
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continue;
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}
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fprintf(stderr, _("card %i: %s [%s], device %i: %s [%s]\n"),
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card, snd_ctl_card_info_get_id(info), snd_ctl_card_info_get_name(info),
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dev,
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snd_pcm_info_get_id(pcminfo),
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snd_pcm_info_get_name(pcminfo));
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count = snd_pcm_info_get_subdevices_count(pcminfo);
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fprintf(stderr, _(" Subdevices: %i/%i\n"),
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snd_pcm_info_get_subdevices_avail(pcminfo), count);
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for (idx = 0; idx < (int)count; idx++) {
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snd_pcm_info_set_subdevice(pcminfo, idx);
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if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) {
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error("control digital audio playback info (%i): %s", card, snd_strerror(err));
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} else {
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fprintf(stderr, _(" Subdevice #%i: %s\n"),
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idx, snd_pcm_info_get_subdevice_name(pcminfo));
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}
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}
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}
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snd_ctl_close(handle);
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next_card:
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if (snd_card_next(&card) < 0) {
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error("snd_card_next");
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break;
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}
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}
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}
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static void pcm_list(void)
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{
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snd_config_t *conf;
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snd_output_t *out;
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int err = snd_config_update();
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if (err < 0) {
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error("snd_config_update: %s", snd_strerror(err));
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return;
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}
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err = snd_output_stdio_attach(&out, stderr, 0);
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assert(err >= 0);
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err = snd_config_search(snd_config, "pcm", &conf);
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if (err < 0)
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return;
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fprintf(stderr, _("PCM list:\n"));
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snd_config_save(conf, out);
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snd_output_close(out);
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}
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static void version(void)
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{
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fprintf(stderr, "%s: version " SND_UTIL_VERSION_STR " by Jaroslav Kysela <perex@suse.cz>\n", command);
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}
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static void signal_handler(int sig)
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{
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if (!quiet_mode)
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fprintf(stderr, _("Aborted by signal %s...\n"), strsignal(sig));
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if (stream == SND_PCM_STREAM_CAPTURE) {
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fmt_rec_table[file_type].end(fd);
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stream = -1;
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}
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if (fd > 1) {
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close(fd);
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fd = -1;
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}
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if (handle) {
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snd_pcm_close(handle);
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handle = NULL;
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}
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exit(EXIT_FAILURE);
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}
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enum {
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OPT_VERSION = 1,
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OPT_PERIOD_SIZE,
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OPT_BUFFER_SIZE
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};
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int main(int argc, char *argv[])
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{
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int option_index;
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char *short_options = "hnlLD:qt:c:f:r:d:s:MNF:A:R:T:B:vIPC";
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static struct option long_options[] = {
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{"help", 0, 0, 'h'},
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{"version", 0, 0, OPT_VERSION},
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{"list-devnames", 0, 0, 'n'},
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{"list-devices", 0, 0, 'l'},
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{"list-pcms", 0, 0, 'L'},
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{"device", 1, 0, 'D'},
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{"quiet", 0, 0, 'q'},
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{"file-type", 1, 0, 't'},
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{"channels", 1, 0, 'c'},
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{"format", 1, 0, 'f'},
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{"rate", 1, 0, 'r'},
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{"duration", 1, 0 ,'d'},
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{"sleep-min", 1, 0, 's'},
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{"mmap", 0, 0, 'M'},
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{"nonblock", 0, 0, 'N'},
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{"period-time", 1, 0, 'F'},
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{"period-size", 1, 0, OPT_PERIOD_SIZE},
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{"avail-min", 1, 0, 'A'},
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{"start-delay", 1, 0, 'R'},
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{"stop-delay", 1, 0, 'T'},
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{"buffer-time", 1, 0, 'B'},
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{"buffer-size", 1, 0, OPT_BUFFER_SIZE},
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{"verbose", 0, 0, 'v'},
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{"separate-channels", 0, 0, 'I'},
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{"playback", 0, 0, 'P'},
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{"capture", 0, 0, 'C'},
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{0, 0, 0, 0}
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};
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char *pcm_name = "default";
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int tmp, err, c;
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int do_names_list = 0, do_device_list = 0, do_pcm_list = 0;
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snd_pcm_info_t *info;
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setlocale(LC_ALL, "");
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textdomain(PACKAGE);
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snd_pcm_info_alloca(&info);
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err = snd_output_stdio_attach(&log, stderr, 0);
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assert(err >= 0);
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command = argv[0];
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file_type = FORMAT_DEFAULT;
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if (strstr(argv[0], "arecord")) {
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stream = SND_PCM_STREAM_CAPTURE;
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file_type = FORMAT_WAVE;
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command = "arecord";
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start_delay = 1;
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} else if (strstr(argv[0], "aplay")) {
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stream = SND_PCM_STREAM_PLAYBACK;
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command = "aplay";
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} else {
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error(_("command should be named either arecord or aplay"));
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return 1;
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}
|
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chunk_size = -1;
|
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rhwparams.format = DEFAULT_FORMAT;
|
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rhwparams.rate = DEFAULT_SPEED;
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rhwparams.channels = 1;
|
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while ((c = getopt_long(argc, argv, short_options, long_options, &option_index)) != -1) {
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switch (c) {
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case 'h':
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usage(command);
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return 0;
|
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case OPT_VERSION:
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version();
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return 0;
|
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case 'n':
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do_names_list = 1;
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break;
|
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case 'l':
|
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do_device_list = 1;
|
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break;
|
|
case 'L':
|
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do_pcm_list = 1;
|
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break;
|
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case 'D':
|
|
pcm_name = optarg;
|
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break;
|
|
case 'q':
|
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quiet_mode = 1;
|
|
break;
|
|
case 't':
|
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if (strcasecmp(optarg, "raw") == 0)
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file_type = FORMAT_RAW;
|
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else if (strcasecmp(optarg, "voc") == 0)
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file_type = FORMAT_VOC;
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else if (strcasecmp(optarg, "wav") == 0)
|
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file_type = FORMAT_WAVE;
|
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else if (strcasecmp(optarg, "au") == 0 || strcasecmp(optarg, "sparc") == 0)
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file_type = FORMAT_AU;
|
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else {
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error(_("unrecognized file format %s"), optarg);
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return 1;
|
|
}
|
|
break;
|
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case 'c':
|
|
rhwparams.channels = atoi(optarg);
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|
if (rhwparams.channels < 1 || rhwparams.channels > 32) {
|
|
error(_("value %i for channels is invalid"), rhwparams.channels);
|
|
return 1;
|
|
}
|
|
break;
|
|
case 'f':
|
|
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;
|
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rhwparams.rate = 44100;
|
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rhwparams.channels = 2;
|
|
} else if (strcasecmp(optarg, "dat") == 0) {
|
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rhwparams.format = file_type == FORMAT_AU ? SND_PCM_FORMAT_S16_BE : SND_PCM_FORMAT_S16_LE;
|
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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);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
break;
|
|
case 'r':
|
|
tmp = atoi(optarg);
|
|
if (tmp < 300)
|
|
tmp *= 1000;
|
|
rhwparams.rate = tmp;
|
|
if (tmp < 2000 || tmp > 192000) {
|
|
error(_("bad speed value %i"), tmp);
|
|
return 1;
|
|
}
|
|
break;
|
|
case 'd':
|
|
timelimit = atoi(optarg);
|
|
break;
|
|
case 's':
|
|
sleep_min = atoi(optarg);
|
|
break;
|
|
case 'N':
|
|
nonblock = 1;
|
|
open_mode |= SND_PCM_NONBLOCK;
|
|
break;
|
|
case 'F':
|
|
period_time = atoi(optarg);
|
|
break;
|
|
case 'B':
|
|
buffer_time = atoi(optarg);
|
|
break;
|
|
case OPT_PERIOD_SIZE:
|
|
period_frames = atoi(optarg);
|
|
break;
|
|
case OPT_BUFFER_SIZE:
|
|
buffer_frames = atoi(optarg);
|
|
break;
|
|
case 'A':
|
|
avail_min = atoi(optarg);
|
|
break;
|
|
case 'R':
|
|
start_delay = atoi(optarg);
|
|
break;
|
|
case 'T':
|
|
stop_delay = atoi(optarg);
|
|
break;
|
|
case 'v':
|
|
verbose++;
|
|
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;
|
|
default:
|
|
fprintf(stderr, _("Try `%s --help' for more information.\n"), command);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (do_names_list) {
|
|
names_list();
|
|
return 0;
|
|
} else if (do_device_list) {
|
|
if (do_pcm_list) pcm_list();
|
|
device_list();
|
|
snd_config_update_free_global();
|
|
return 0;
|
|
} else if (do_pcm_list) {
|
|
pcm_list();
|
|
snd_config_update_free_global();
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
chunk_size = 1024;
|
|
hwparams = rhwparams;
|
|
|
|
audiobuf = (char *)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;
|
|
}
|
|
|
|
|
|
signal(SIGINT, signal_handler);
|
|
signal(SIGTERM, signal_handler);
|
|
signal(SIGABRT, signal_handler);
|
|
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);
|
|
}
|
|
snd_pcm_close(handle);
|
|
free(audiobuf);
|
|
snd_output_close(log);
|
|
snd_config_update_free_global();
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Safe read (for pipes)
|
|
*/
|
|
|
|
ssize_t safe_read(int fd, void *buf, size_t count)
|
|
{
|
|
ssize_t result = 0, res;
|
|
|
|
while (count > 0) {
|
|
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
|
|
*/
|
|
|
|
size_t test_wavefile_read(int fd, char *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);
|
|
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")); \
|
|
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, char *_buffer, size_t size)
|
|
{
|
|
WaveHeader *h = (WaveHeader *)_buffer;
|
|
char *buffer = NULL;
|
|
size_t blimit = 0;
|
|
WaveFmtBody *f;
|
|
WaveChunkHeader *c;
|
|
u_int type, len;
|
|
|
|
if (size < sizeof(WaveHeader))
|
|
return -1;
|
|
if (h->magic != WAV_RIFF || 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 = LE_INT(c->length);
|
|
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, (u_int)sizeof(WaveFmtBody));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
check_wavefile_space(buffer, len, blimit);
|
|
test_wavefile_read(fd, buffer, &size, len, __LINE__);
|
|
f = (WaveFmtBody*) buffer;
|
|
if (LE_SHORT(f->format) != WAV_PCM_CODE) {
|
|
error(_("can't play not PCM-coded WAVE-files"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (LE_SHORT(f->modus) < 1) {
|
|
error(_("can't play WAVE-files with %d tracks"), LE_SHORT(f->modus));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
hwparams.channels = LE_SHORT(f->modus);
|
|
switch (LE_SHORT(f->bit_p_spl)) {
|
|
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 (hwparams.format != DEFAULT_FORMAT &&
|
|
hwparams.format != SND_PCM_FORMAT_S16_LE)
|
|
fprintf(stderr, _("Warning: format is changed to S16_LE\n"));
|
|
hwparams.format = SND_PCM_FORMAT_S16_LE;
|
|
break;
|
|
case 24:
|
|
switch (LE_SHORT(f->byte_p_spl) / hwparams.channels) {
|
|
case 3:
|
|
if (hwparams.format != DEFAULT_FORMAT &&
|
|
hwparams.format != SND_PCM_FORMAT_S24_3LE)
|
|
fprintf(stderr, _("Warning: format is changed to S24_3LE\n"));
|
|
hwparams.format = SND_PCM_FORMAT_S24_3LE;
|
|
break;
|
|
case 4:
|
|
if (hwparams.format != DEFAULT_FORMAT &&
|
|
hwparams.format != SND_PCM_FORMAT_S24_LE)
|
|
fprintf(stderr, _("Warning: format is changed to S24_LE\n"));
|
|
hwparams.format = SND_PCM_FORMAT_S24_LE;
|
|
break;
|
|
default:
|
|
error(_(" can't play WAVE-files with sample %d bits in %d bytes wide (%d channels)"),
|
|
LE_SHORT(f->bit_p_spl), LE_SHORT(f->byte_p_spl), hwparams.channels);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
break;
|
|
case 32:
|
|
hwparams.format = SND_PCM_FORMAT_S32_LE;
|
|
break;
|
|
default:
|
|
error(_(" can't play WAVE-files with sample %d bits wide"),
|
|
LE_SHORT(f->bit_p_spl));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
hwparams.rate = LE_INT(f->sample_fq);
|
|
|
|
if (size > len)
|
|
memmove(buffer, buffer + len, size - len);
|
|
size -= len;
|
|
|
|
while (1) {
|
|
u_int 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 = LE_INT(c->length);
|
|
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 > 128)
|
|
return -1;
|
|
if ((size_t)safe_read(fd, buffer + sizeof(AuHeader), BE_INT(ap->hdr_size) - sizeof(AuHeader)) != BE_INT(ap->hdr_size) - sizeof(AuHeader)) {
|
|
error(_("read error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
snd_pcm_uframes_t xfer_align;
|
|
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"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
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"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
err = snd_pcm_hw_params_set_format(handle, params, hwparams.format);
|
|
if (err < 0) {
|
|
error(_("Sample format non available"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
err = snd_pcm_hw_params_set_channels(handle, params, hwparams.channels);
|
|
if (err < 0) {
|
|
error(_("Channels count non available"));
|
|
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) {
|
|
fprintf(stderr, _("Warning: rate is not accurate (requested = %iHz, got = %iHz)\n"), rate, hwparams.rate);
|
|
fprintf(stderr, _(" please, try the plug plugin (-Dplug:%s)\n"), snd_pcm_name(handle));
|
|
}
|
|
}
|
|
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);
|
|
err = snd_pcm_hw_params(handle, params);
|
|
if (err < 0) {
|
|
error(_("Unable to install hw params:"));
|
|
snd_pcm_hw_params_dump(params, log);
|
|
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);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
snd_pcm_sw_params_current(handle, swparams);
|
|
err = snd_pcm_sw_params_get_xfer_align(swparams, &xfer_align);
|
|
if (err < 0) {
|
|
error(_("Unable to obtain xfer align\n"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (sleep_min)
|
|
xfer_align = 1;
|
|
err = snd_pcm_sw_params_set_sleep_min(handle, swparams,
|
|
sleep_min);
|
|
assert(err >= 0);
|
|
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 / xfer_align) * xfer_align;
|
|
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);
|
|
|
|
err = snd_pcm_sw_params_set_xfer_align(handle, swparams, xfer_align);
|
|
assert(err >= 0);
|
|
|
|
if (snd_pcm_sw_params(handle, swparams) < 0) {
|
|
error(_("unable to install sw params:"));
|
|
snd_pcm_sw_params_dump(swparams, log);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (verbose)
|
|
snd_pcm_dump(handle, log);
|
|
|
|
bits_per_sample = snd_pcm_format_physical_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"));
|
|
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);
|
|
}
|
|
|
|
#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
|
|
|
|
/* 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));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (snd_pcm_status_get_state(status) == SND_PCM_STATE_XRUN) {
|
|
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));
|
|
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));
|
|
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)));
|
|
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));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
if (!quiet_mode)
|
|
fprintf(stderr, _("Done.\n"));
|
|
}
|
|
|
|
/* peak handler */
|
|
static void compute_max_peak(u_char *data, size_t count)
|
|
{
|
|
signed int val, max, max_peak = 0, perc;
|
|
size_t ocount = count;
|
|
|
|
switch (bits_per_sample) {
|
|
case 8: {
|
|
signed char *valp = (signed char *)data;
|
|
signed char mask = snd_pcm_format_silence(hwparams.format);
|
|
while (count-- > 0) {
|
|
val = *valp++ ^ mask;
|
|
val = abs(val);
|
|
if (max_peak < val)
|
|
max_peak = val;
|
|
}
|
|
break;
|
|
}
|
|
case 16: {
|
|
signed short *valp = (signed short *)data;
|
|
signed short mask = snd_pcm_format_silence_16(hwparams.format);
|
|
count /= 2;
|
|
while (count-- > 0) {
|
|
val = *valp++ ^ mask;
|
|
val = abs(val);
|
|
if (max_peak < val)
|
|
max_peak = val;
|
|
}
|
|
break;
|
|
}
|
|
case 32: {
|
|
signed int *valp = (signed int *)data;
|
|
signed int mask = snd_pcm_format_silence_32(hwparams.format);
|
|
count /= 4;
|
|
while (count-- > 0) {
|
|
val = *valp++ ^ mask;
|
|
val = abs(val);
|
|
if (max_peak < val)
|
|
max_peak = val;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
max = 1 << (bits_per_sample-1);
|
|
if (max <= 0)
|
|
max = 0x7fffffff;
|
|
printf(_("Max peak (%li samples): %05i (0x%04x) "), (long)ocount, max_peak, max_peak);
|
|
if (bits_per_sample > 16)
|
|
perc = max_peak / (max / 100);
|
|
else
|
|
perc = max_peak * 100 / max;
|
|
for (val = 0; val < 20; val++)
|
|
if (val <= perc / 5)
|
|
putc('#', stdout);
|
|
else
|
|
putc(' ', stdout);
|
|
printf(" %i%%\n", perc);
|
|
}
|
|
|
|
/*
|
|
* write function
|
|
*/
|
|
|
|
static ssize_t pcm_write(u_char *data, size_t count)
|
|
{
|
|
ssize_t r;
|
|
ssize_t result = 0;
|
|
|
|
if (sleep_min == 0 &&
|
|
count < chunk_size) {
|
|
snd_pcm_format_set_silence(hwparams.format, data + count * bits_per_frame / 8, (chunk_size - count) * hwparams.channels);
|
|
count = chunk_size;
|
|
}
|
|
while (count > 0) {
|
|
r = writei_func(handle, data, count);
|
|
if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) {
|
|
snd_pcm_wait(handle, 1000);
|
|
} else if (r == -EPIPE) {
|
|
xrun();
|
|
} else if (r == -ESTRPIPE) {
|
|
suspend();
|
|
} else if (r < 0) {
|
|
error(_("write error: %s"), snd_strerror(r));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (r > 0) {
|
|
if (verbose > 1)
|
|
compute_max_peak(data, r * hwparams.channels);
|
|
result += r;
|
|
count -= r;
|
|
data += r * bits_per_frame / 8;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static ssize_t pcm_writev(u_char **data, unsigned int channels, size_t count)
|
|
{
|
|
ssize_t r;
|
|
size_t result = 0;
|
|
|
|
if (sleep_min == 0 &&
|
|
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;
|
|
}
|
|
while (count > 0) {
|
|
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;
|
|
r = writen_func(handle, bufs, count);
|
|
if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) {
|
|
snd_pcm_wait(handle, 1000);
|
|
} else if (r == -EPIPE) {
|
|
xrun();
|
|
} else if (r == -ESTRPIPE) {
|
|
suspend();
|
|
} else if (r < 0) {
|
|
error(_("writev error: %s"), snd_strerror(r));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (r > 0) {
|
|
if (verbose > 1) {
|
|
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(u_char *data, size_t rcount)
|
|
{
|
|
ssize_t r;
|
|
size_t result = 0;
|
|
size_t count = rcount;
|
|
|
|
if (sleep_min == 0 &&
|
|
count != chunk_size) {
|
|
count = chunk_size;
|
|
}
|
|
|
|
while (count > 0) {
|
|
r = readi_func(handle, data, count);
|
|
if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) {
|
|
snd_pcm_wait(handle, 1000);
|
|
} else if (r == -EPIPE) {
|
|
xrun();
|
|
} else if (r == -ESTRPIPE) {
|
|
suspend();
|
|
} else if (r < 0) {
|
|
error(_("read error: %s"), snd_strerror(r));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (r > 0) {
|
|
if (verbose > 1)
|
|
compute_max_peak(data, r * hwparams.channels);
|
|
result += r;
|
|
count -= r;
|
|
data += r * bits_per_frame / 8;
|
|
}
|
|
}
|
|
return rcount;
|
|
}
|
|
|
|
static ssize_t pcm_readv(u_char **data, unsigned int channels, size_t rcount)
|
|
{
|
|
ssize_t r;
|
|
size_t result = 0;
|
|
size_t count = rcount;
|
|
|
|
if (sleep_min == 0 &&
|
|
count != chunk_size) {
|
|
count = chunk_size;
|
|
}
|
|
|
|
while (count > 0) {
|
|
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;
|
|
r = readn_func(handle, bufs, count);
|
|
if (r == -EAGAIN || (r >= 0 && (size_t)r < count)) {
|
|
snd_pcm_wait(handle, 1000);
|
|
} else if (r == -EPIPE) {
|
|
xrun();
|
|
} else if (r == -ESTRPIPE) {
|
|
suspend();
|
|
} else if (r < 0) {
|
|
error(_("readv error: %s"), snd_strerror(r));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (r > 0) {
|
|
if (verbose > 1) {
|
|
for (channel = 0; channel < channels; channel++)
|
|
compute_max_peak(data[channel], r);
|
|
}
|
|
result += r;
|
|
count -= r;
|
|
}
|
|
}
|
|
return rcount;
|
|
}
|
|
|
|
/*
|
|
* ok, let's play a .voc file
|
|
*/
|
|
|
|
static ssize_t voc_pcm_write(u_char *data, size_t count)
|
|
{
|
|
ssize_t result = count, r;
|
|
size_t size;
|
|
|
|
while (count > 0) {
|
|
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;
|
|
char *buf;
|
|
|
|
buf = (char *) 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) {
|
|
l = x;
|
|
if (l > chunk_size)
|
|
l = chunk_size;
|
|
if (voc_pcm_write(buf, l) != (ssize_t)l) {
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
x -= l;
|
|
}
|
|
free(buf);
|
|
}
|
|
|
|
static void voc_pcm_flush(void)
|
|
{
|
|
if (buffer_pos > 0) {
|
|
size_t b;
|
|
if (sleep_min == 0) {
|
|
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;
|
|
} else {
|
|
b = buffer_pos * 8 / bits_per_frame;
|
|
}
|
|
if (pcm_write(audiobuf, b) != (ssize_t)b)
|
|
error(_("voc_pcm_flush error"));
|
|
}
|
|
snd_pcm_drain(handle);
|
|
}
|
|
|
|
static void voc_play(int fd, int ofs, char *name)
|
|
{
|
|
int l;
|
|
VocBlockType *bp;
|
|
VocVoiceData *vd;
|
|
VocExtBlock *eb;
|
|
size_t nextblock, in_buffer;
|
|
u_char *data, *buf;
|
|
char was_extended = 0, output = 0;
|
|
u_short *sp, repeat = 0;
|
|
size_t silence;
|
|
off64_t filepos = 0;
|
|
|
|
#define COUNT(x) nextblock -= x; in_buffer -= x; data += x
|
|
#define COUNT1(x) in_buffer -= x; data += x
|
|
|
|
data = buf = (u_char *)malloc(64 * 1024);
|
|
buffer_pos = 0;
|
|
if (data == NULL) {
|
|
error(_("malloc error"));
|
|
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"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
ofs -= chunk_bytes;
|
|
}
|
|
if (ofs) {
|
|
if (safe_read(fd, buf, ofs) != ofs) {
|
|
error(_("read error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
hwparams.format = DEFAULT_FORMAT;
|
|
hwparams.channels = 1;
|
|
hwparams.rate = DEFAULT_SPEED;
|
|
set_params();
|
|
|
|
in_buffer = nextblock = 0;
|
|
while (1) {
|
|
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);
|
|
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 = (u_short *) data;
|
|
COUNT1(sizeof(u_short));
|
|
hwparams.rate = (int) (*data);
|
|
COUNT1(1);
|
|
hwparams.rate = 1000000 / (256 - hwparams.rate);
|
|
set_params();
|
|
silence = (((size_t) * sp) * 1000) / hwparams.rate;
|
|
#if 0
|
|
d_printf("Silence for %d ms\n", (int) silence);
|
|
#endif
|
|
voc_write_silence(*sp);
|
|
break;
|
|
case 4: /* a marker for syncronisation, no effect */
|
|
sp = (u_short *) data;
|
|
COUNT1(sizeof(u_short));
|
|
#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 = *(u_short *) data;
|
|
COUNT1(sizeof(u_short));
|
|
#if 0
|
|
d_printf("Repeat loop %d times\n", repeat);
|
|
#endif
|
|
if (filepos >= 0) { /* if < 0, one seek fails, why test another */
|
|
if ((filepos = lseek64(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
|
|
lseek64(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 (write(2, data, l) != l) { /* to stderr */
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
} else {
|
|
if (voc_pcm_write(data, l) != l) {
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
COUNT(l);
|
|
}
|
|
} /* while(1) */
|
|
__end:
|
|
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 off64_t calc_count(void)
|
|
{
|
|
off64_t count;
|
|
|
|
if (timelimit == 0) {
|
|
count = pbrec_count;
|
|
} else {
|
|
count = snd_pcm_format_size(hwparams.format, hwparams.rate * hwparams.channels);
|
|
count *= (off64_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 (write(fd, &vh, sizeof(VocHeader)) != sizeof(VocHeader)) {
|
|
error(_("write error"));
|
|
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 (write(fd, &bt, sizeof(VocBlockType)) != sizeof(VocBlockType)) {
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
eb.tc = LE_SHORT(65536 - 256000000L / (hwparams.rate << 1));
|
|
eb.pack = 0;
|
|
eb.mode = 1;
|
|
if (write(fd, &eb, sizeof(VocExtBlock)) != sizeof(VocExtBlock)) {
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
bt.type = 1;
|
|
cnt += sizeof(VocVoiceData); /* Channel_data block follows */
|
|
bt.datalen = (u_char) (cnt & 0xFF);
|
|
bt.datalen_m = (u_char) ((cnt & 0xFF00) >> 8);
|
|
bt.datalen_h = (u_char) ((cnt & 0xFF0000) >> 16);
|
|
if (write(fd, &bt, sizeof(VocBlockType)) != sizeof(VocBlockType)) {
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
vd.tc = (u_char) (256 - (1000000 / hwparams.rate));
|
|
vd.pack = 0;
|
|
if (write(fd, &vd, sizeof(VocVoiceData)) != sizeof(VocVoiceData)) {
|
|
error(_("write error"));
|
|
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;
|
|
u_int tmp;
|
|
u_short 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:
|
|
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));
|
|
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);
|
|
|
|
f.format = LE_SHORT(WAV_PCM_CODE);
|
|
f.modus = 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 * (u_int) tmp2;
|
|
#else
|
|
tmp2 = hwparams.channels * snd_pcm_format_physical_width(hwparams.format) / 8;
|
|
f.byte_p_spl = LE_SHORT(tmp2);
|
|
tmp = (u_int) 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 (write(fd, &h, sizeof(WaveHeader)) != sizeof(WaveHeader) ||
|
|
write(fd, &cf, sizeof(WaveChunkHeader)) != sizeof(WaveChunkHeader) ||
|
|
write(fd, &f, sizeof(WaveFmtBody)) != sizeof(WaveFmtBody) ||
|
|
write(fd, &cd, sizeof(WaveChunkHeader)) != sizeof(WaveChunkHeader)) {
|
|
error(_("write error"));
|
|
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));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
ah.sample_rate = BE_INT(hwparams.rate);
|
|
ah.channels = BE_INT(hwparams.channels);
|
|
if (write(fd, &ah, sizeof(AuHeader)) != sizeof(AuHeader)) {
|
|
error(_("write error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
/* closing .VOC */
|
|
static void end_voc(int fd)
|
|
{
|
|
off64_t length_seek;
|
|
VocBlockType bt;
|
|
size_t cnt;
|
|
char dummy = 0; /* Write a Terminator */
|
|
|
|
if (write(fd, &dummy, 1) != 1) {
|
|
error(_("write error"));
|
|
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 = (u_char) (cnt & 0xFF);
|
|
bt.datalen_m = (u_char) ((cnt & 0xFF00) >> 8);
|
|
bt.datalen_h = (u_char) ((cnt & 0xFF0000) >> 16);
|
|
if (lseek64(fd, length_seek, SEEK_SET) == length_seek)
|
|
write(fd, &bt, sizeof(VocBlockType));
|
|
if (fd != 1)
|
|
close(fd);
|
|
}
|
|
|
|
static void end_raw(int fd)
|
|
{ /* REALLY only close output */
|
|
if (fd != 1)
|
|
close(fd);
|
|
}
|
|
|
|
static void end_wave(int fd)
|
|
{ /* only close output */
|
|
WaveChunkHeader cd;
|
|
off64_t length_seek;
|
|
off64_t filelen;
|
|
u_int 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 (lseek64(fd, 4, SEEK_SET) == 4)
|
|
write(fd, &rifflen, 4);
|
|
if (lseek64(fd, length_seek, SEEK_SET) == length_seek)
|
|
write(fd, &cd, sizeof(WaveChunkHeader));
|
|
if (fd != 1)
|
|
close(fd);
|
|
}
|
|
|
|
static void end_au(int fd)
|
|
{ /* only close output */
|
|
AuHeader ah;
|
|
off64_t length_seek;
|
|
|
|
length_seek = (char *)&ah.data_size - (char *)&ah;
|
|
ah.data_size = fdcount > 0xffffffff ? 0xffffffff : BE_INT(fdcount);
|
|
if (lseek64(fd, length_seek, SEEK_SET) == length_seek)
|
|
write(fd, &ah.data_size, sizeof(ah.data_size));
|
|
if (fd != 1)
|
|
close(fd);
|
|
}
|
|
|
|
static void header(int rtype, char *name)
|
|
{
|
|
if (!quiet_mode) {
|
|
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 */
|
|
|
|
void playback_go(int fd, size_t loaded, off64_t count, int rtype, char *name)
|
|
{
|
|
int l, r;
|
|
off64_t written = 0;
|
|
off64_t c;
|
|
|
|
header(rtype, name);
|
|
set_params();
|
|
|
|
while (loaded > chunk_bytes && written < count) {
|
|
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) {
|
|
do {
|
|
c = count - written;
|
|
if (c > chunk_bytes)
|
|
c = chunk_bytes;
|
|
c -= l;
|
|
|
|
if (c == 0)
|
|
break;
|
|
r = safe_read(fd, audiobuf + l, c);
|
|
if (r < 0) {
|
|
perror(name);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
fdcount += r;
|
|
if (r == 0)
|
|
break;
|
|
l += r;
|
|
} while (sleep_min == 0 && (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;
|
|
}
|
|
snd_pcm_drain(handle);
|
|
}
|
|
|
|
/* capturing raw data, this proc handels WAVE files and .VOCs (as one block) */
|
|
|
|
void capture_go(int fd, off64_t count, int rtype, char *name)
|
|
{
|
|
size_t c;
|
|
off64_t cur;
|
|
ssize_t r, err;
|
|
|
|
header(rtype, name);
|
|
set_params();
|
|
|
|
do {
|
|
for (cur = count; cur > 0; cur -= r) {
|
|
c = (cur <= chunk_bytes) ? cur : chunk_bytes;
|
|
c = c * 8 / bits_per_frame;
|
|
if ((size_t)(r = pcm_read(audiobuf, c)) != c)
|
|
break;
|
|
r = r * bits_per_frame / 8;
|
|
if ((err = write(fd, audiobuf, r)) != r) {
|
|
perror(name);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (err > 0)
|
|
fdcount += err;
|
|
}
|
|
} while (rtype == FORMAT_RAW && !timelimit);
|
|
}
|
|
|
|
/*
|
|
* let's play or capture it (capture_type says VOC/WAVE/raw)
|
|
*/
|
|
|
|
static void playback(char *name)
|
|
{
|
|
int ofs;
|
|
size_t dta;
|
|
ssize_t dtawave;
|
|
|
|
pbrec_count = LLONG_MAX;
|
|
fdcount = 0;
|
|
if (!name || !strcmp(name, "-")) {
|
|
fd = fileno(stdin);
|
|
name = "stdin";
|
|
} else {
|
|
if ((fd = open64(name, O_RDONLY, 0)) == -1) {
|
|
perror(name);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
/* read the file header */
|
|
dta = sizeof(AuHeader);
|
|
if ((size_t)safe_read(fd, audiobuf, dta) != dta) {
|
|
error(_("read error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (test_au(fd, audiobuf) >= 0) {
|
|
rhwparams.format = hwparams.format;
|
|
pbrec_count = calc_count();
|
|
playback_go(fd, 0, pbrec_count, FORMAT_AU, name);
|
|
goto __end;
|
|
}
|
|
dta = sizeof(VocHeader);
|
|
if ((size_t)safe_read(fd, audiobuf + sizeof(AuHeader),
|
|
dta - sizeof(AuHeader)) != dta - sizeof(AuHeader)) {
|
|
error(_("read error"));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if ((ofs = test_vocfile(audiobuf)) >= 0) {
|
|
pbrec_count = calc_count();
|
|
voc_play(fd, ofs, name);
|
|
goto __end;
|
|
}
|
|
/* read bytes for WAVE-header */
|
|
if ((dtawave = test_wavefile(fd, audiobuf, dta)) >= 0) {
|
|
pbrec_count = calc_count();
|
|
playback_go(fd, dtawave, pbrec_count, FORMAT_WAVE, name);
|
|
} else {
|
|
/* should be raw data */
|
|
init_raw_data();
|
|
pbrec_count = calc_count();
|
|
playback_go(fd, dta, pbrec_count, FORMAT_RAW, name);
|
|
}
|
|
__end:
|
|
if (fd != 0)
|
|
close(fd);
|
|
}
|
|
|
|
static void capture(char *name)
|
|
{
|
|
pbrec_count = LLONG_MAX;
|
|
if (!name || !strcmp(name, "-")) {
|
|
fd = fileno(stdout);
|
|
name = "stdout";
|
|
} else {
|
|
remove(name);
|
|
if ((fd = open64(name, O_WRONLY | O_CREAT, 0644)) == -1) {
|
|
perror(name);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
fdcount = 0;
|
|
pbrec_count = calc_count();
|
|
/* 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 (pbrec_count < LLONG_MAX)
|
|
pbrec_count += pbrec_count % 2;
|
|
else
|
|
pbrec_count -= pbrec_count % 2;
|
|
if (pbrec_count == 0)
|
|
pbrec_count -= 2;
|
|
if (fmt_rec_table[file_type].start)
|
|
fmt_rec_table[file_type].start(fd, pbrec_count);
|
|
capture_go(fd, pbrec_count, file_type, name);
|
|
fmt_rec_table[file_type].end(fd);
|
|
}
|
|
|
|
void playbackv_go(int* fds, unsigned int channels, size_t loaded, off64_t count, int rtype, char **names)
|
|
{
|
|
int r;
|
|
size_t vsize;
|
|
|
|
unsigned int channel;
|
|
u_char *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) {
|
|
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[channel]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
for (channel = 1; channel < channels; ++channel) {
|
|
if (safe_read(fds[channel], bufs[channel], r) != r) {
|
|
perror(names[channel]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
if (r == 0)
|
|
break;
|
|
c += r;
|
|
} while (sleep_min == 0 && 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;
|
|
}
|
|
snd_pcm_drain(handle);
|
|
}
|
|
|
|
void capturev_go(int* fds, unsigned int channels, off64_t count, int rtype, char **names)
|
|
{
|
|
size_t c;
|
|
ssize_t r;
|
|
unsigned int channel;
|
|
size_t vsize;
|
|
u_char *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) {
|
|
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)write(fds[channel], bufs[channel], rv) != rv) {
|
|
perror(names[channel]);
|
|
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 format[1024];
|
|
memcpy(format, names[0], len);
|
|
strcpy(format + len, ".%d");
|
|
len += 4;
|
|
names = malloc(sizeof(*names) * channels);
|
|
for (channel = 0; channel < channels; ++channel) {
|
|
names[channel] = malloc(len);
|
|
sprintf(names[channel], format, channel);
|
|
}
|
|
alloced = 1;
|
|
} else if (count != channels) {
|
|
error(_("You need to specify %d files"), channels);
|
|
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)
|
|
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 format[1024];
|
|
memcpy(format, names[0], len);
|
|
strcpy(format + len, ".%d");
|
|
len += 4;
|
|
names = malloc(sizeof(*names) * channels);
|
|
for (channel = 0; channel < channels; ++channel) {
|
|
names[channel] = malloc(len);
|
|
sprintf(names[channel], format, channel);
|
|
}
|
|
alloced = 1;
|
|
} else if (count != channels) {
|
|
error(_("You need to specify %d files"), channels);
|
|
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)
|
|
exit(ret);
|
|
}
|