diff options
Diffstat (limited to 'src/sound.c')
| -rw-r--r-- | src/sound.c | 99 |
1 files changed, 29 insertions, 70 deletions
diff --git a/src/sound.c b/src/sound.c index b362fc8819e..6fa6f548917 100644 --- a/src/sound.c +++ b/src/sound.c @@ -328,8 +328,7 @@ static int do_play_sound (const char *, unsigned long); /* Like perror, but signals an error. */ static void -sound_perror (msg) - char *msg; +sound_perror (char *msg) { int saved_errno = errno; @@ -347,8 +346,7 @@ sound_perror (msg) /* Display a warning message. */ static void -sound_warning (msg) - char *msg; +sound_warning (char *msg) { message (msg); } @@ -381,9 +379,7 @@ sound_warning (msg) range [0, 1]. */ static int -parse_sound (sound, attrs) - Lisp_Object sound; - Lisp_Object *attrs; +parse_sound (Lisp_Object sound, Lisp_Object *attrs) { /* SOUND must be a list starting with the symbol `sound'. */ if (!CONSP (sound) || !EQ (XCAR (sound), Qsound)) @@ -452,8 +448,7 @@ parse_sound (sound, attrs) S is the sound file structure to fill in. */ static void -find_sound_type (s) - struct sound *s; +find_sound_type (struct sound *s) { if (!wav_init (s) && !au_init (s)) error ("Unknown sound format"); @@ -463,8 +458,7 @@ find_sound_type (s) /* Function installed by play-sound-internal with record_unwind_protect. */ static Lisp_Object -sound_cleanup (arg) - Lisp_Object arg; +sound_cleanup (Lisp_Object arg) { if (current_sound_device->close) current_sound_device->close (current_sound_device); @@ -484,8 +478,7 @@ sound_cleanup (arg) to host byte-order. */ static u_int32_t -le2hl (value) - u_int32_t value; +le2hl (u_int32_t value) { #ifdef WORDS_BIG_ENDIAN unsigned char *p = (unsigned char *) &value; @@ -499,8 +492,7 @@ le2hl (value) to host byte-order. */ static u_int16_t -le2hs (value) - u_int16_t value; +le2hs (u_int16_t value) { #ifdef WORDS_BIG_ENDIAN unsigned char *p = (unsigned char *) &value; @@ -514,8 +506,7 @@ le2hs (value) to host byte-order. */ static u_int32_t -be2hl (value) - u_int32_t value; +be2hl (u_int32_t value) { #ifndef WORDS_BIG_ENDIAN unsigned char *p = (unsigned char *) &value; @@ -554,8 +545,7 @@ be2hs (value) Value is non-zero if the file is a WAV file. */ static int -wav_init (s) - struct sound *s; +wav_init (struct sound *s) { struct wav_header *header = (struct wav_header *) s->header; @@ -590,9 +580,7 @@ wav_init (s) /* Play RIFF-WAVE audio file S on sound device SD. */ static void -wav_play (s, sd) - struct sound *s; - struct sound_device *sd; +wav_play (struct sound *s, struct sound_device *sd) { struct wav_header *header = (struct wav_header *) s->header; @@ -665,8 +653,7 @@ enum au_encoding Value is non-zero if the file is an AU file. */ static int -au_init (s) - struct sound *s; +au_init (struct sound *s) { struct au_header *header = (struct au_header *) s->header; @@ -692,9 +679,7 @@ au_init (s) /* Play Sun audio file S on sound device SD. */ static void -au_play (s, sd) - struct sound *s; - struct sound_device *sd; +au_play (struct sound *s, struct sound_device *sd) { struct au_header *header = (struct au_header *) s->header; @@ -740,8 +725,7 @@ au_play (s, sd) otherwise use a default device name. */ static void -vox_open (sd) - struct sound_device *sd; +vox_open (struct sound_device *sd) { char *file; @@ -760,8 +744,7 @@ vox_open (sd) /* Configure device SD from parameters in it. */ static void -vox_configure (sd) - struct sound_device *sd; +vox_configure (struct sound_device *sd) { int val; @@ -814,8 +797,7 @@ vox_configure (sd) /* Close device SD if it is open. */ static void -vox_close (sd) - struct sound_device *sd; +vox_close (struct sound_device *sd) { if (sd->fd >= 0) { @@ -845,9 +827,7 @@ vox_close (sd) /* Choose device-dependent format for device SD from sound file S. */ static void -vox_choose_format (sd, s) - struct sound_device *sd; - struct sound *s; +vox_choose_format (struct sound_device *sd, struct sound *s) { if (s->type == RIFF) { @@ -890,8 +870,7 @@ vox_choose_format (sd, s) structure. */ static int -vox_init (sd) - struct sound_device *sd; +vox_init (struct sound_device *sd) { char *file; int fd; @@ -921,10 +900,7 @@ vox_init (sd) /* Write NBYTES bytes from BUFFER to device SD. */ static void -vox_write (sd, buffer, nbytes) - struct sound_device *sd; - const char *buffer; - int nbytes; +vox_write (struct sound_device *sd, const char *buffer, int nbytes) { int nwritten = emacs_write (sd->fd, buffer, nbytes); if (nwritten < 0) @@ -939,9 +915,7 @@ vox_write (sd, buffer, nbytes) /* This driver is available on GNU/Linux. */ static void -alsa_sound_perror (msg, err) - char *msg; - int err; +alsa_sound_perror (char *msg, int err) { error ("%s: %s", msg, snd_strerror (err)); } @@ -958,8 +932,7 @@ struct alsa_params otherwise use a default device name. */ static void -alsa_open (sd) - struct sound_device *sd; +alsa_open (struct sound_device *sd) { char *file; struct alsa_params *p; @@ -986,8 +959,7 @@ alsa_open (sd) } static int -alsa_period_size (sd) - struct sound_device *sd; +alsa_period_size (struct sound_device *sd) { struct alsa_params *p = (struct alsa_params *) sd->data; int fact = snd_pcm_format_size (sd->format, 1) * sd->channels; @@ -995,8 +967,7 @@ alsa_period_size (sd) } static void -alsa_configure (sd) - struct sound_device *sd; +alsa_configure (struct sound_device *sd) { int val, err, dir; unsigned uval; @@ -1115,8 +1086,7 @@ alsa_configure (sd) /* Close device SD if it is open. */ static void -alsa_close (sd) - struct sound_device *sd; +alsa_close (struct sound_device *sd) { struct alsa_params *p = (struct alsa_params *) sd->data; if (p) @@ -1137,9 +1107,7 @@ alsa_close (sd) /* Choose device-dependent format for device SD from sound file S. */ static void -alsa_choose_format (sd, s) - struct sound_device *sd; - struct sound *s; +alsa_choose_format (struct sound_device *sd, struct sound *s) { struct alsa_params *p = (struct alsa_params *) sd->data; if (s->type == RIFF) @@ -1194,10 +1162,7 @@ alsa_choose_format (sd, s) /* Write NBYTES bytes from BUFFER to device SD. */ static void -alsa_write (sd, buffer, nbytes) - struct sound_device *sd; - const char *buffer; - int nbytes; +alsa_write (struct sound_device *sd, const char *buffer, int nbytes) { struct alsa_params *p = (struct alsa_params *) sd->data; @@ -1244,12 +1209,7 @@ alsa_write (sd, buffer, nbytes) } static void -snd_error_quiet (file, line, function, err, fmt) - const char *file; - int line; - const char *function; - int err; - const char *fmt; +snd_error_quiet (const char *file, int line, const char *function, int err, const char *fmt) { } @@ -1257,8 +1217,7 @@ snd_error_quiet (file, line, function, err, fmt) structure. */ static int -alsa_init (sd) - struct sound_device *sd; +alsa_init (struct sound_device *sd) { char *file; snd_pcm_t *handle; @@ -1524,7 +1483,7 @@ Internal use only, use `play-sound' instead. */) ***********************************************************************/ void -syms_of_sound () +syms_of_sound (void) { QCdevice = intern_c_string(":device"); staticpro (&QCdevice); @@ -1540,7 +1499,7 @@ syms_of_sound () void -init_sound () +init_sound (void) { } |