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Fix OSS audio broken when adding multiple audio devices in version 1.2.

This commit is contained in:
WB2OSZ 2016-01-09 01:23:44 -05:00
parent dc9bc8d90b
commit 2424812883
1 changed files with 17 additions and 17 deletions
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34
audio.c
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@ -115,7 +115,7 @@ static struct adev_s {
/* e.g. 4 for stereo 16 bit. */
#else
oss_audio_device_fd; /* Single device, both directions. */
int oss_audio_device_fd; /* Single device, both directions. */
#endif
@ -144,7 +144,7 @@ static struct adev_s {
static int set_alsa_params (int a, snd_pcm_t *handle, struct audio_s *pa, char *name, char *dir);
//static void alsa_select_device (char *pick_dev, int direction, char *result);
#else
static int set_oss_params (int fd, struct audio_s *pa);
static int set_oss_params (int a, int fd, struct audio_s *pa);
#endif
@ -351,9 +351,9 @@ int audio_open (struct audio_s *pa)
adev[a].inbuf_size_in_bytes = set_alsa_params (a, adev[a].audio_in_handle, pa, audio_in_name, "input");
#else // OSS
oss_audio_device_fd = open (pa->adev[a].adevice_in, O_RDWR);
adev[a].oss_audio_device_fd = open (pa->adev[a].adevice_in, O_RDWR);
if (oss_audio_device_fd < 0) {
if (adev[a].oss_audio_device_fd < 0) {
text_color_set(DW_COLOR_ERROR);
dw_printf ("%s:\n", pa->adev[a].adevice_in);
// snprintf (message, sizeof(message), "Could not open audio device %s", pa->adev[a].adevice_in);
@ -361,7 +361,7 @@ int audio_open (struct audio_s *pa)
return (-1);
}
adev[a].outbuf_size_in_bytes = adev[a].inbuf_size_in_bytes = set_oss_params (oss_audio_device_fd, pa);
adev[a].outbuf_size_in_bytes = adev[a].inbuf_size_in_bytes = set_oss_params (a, adev[a].oss_audio_device_fd, pa);
if (adev[a].inbuf_size_in_bytes <= 0 || adev[a].outbuf_size_in_bytes <= 0) {
return (-1);
@ -686,7 +686,7 @@ static int set_alsa_params (int a, snd_pcm_t *handle, struct audio_s *pa, char *
* See /usr/include/sys/soundcard.h for details.
*/
static int set_oss_params (int fd, struct audio_s *pa)
static int set_oss_params (int a, int fd, struct audio_s *pa)
{
int err;
int devcaps;
@ -770,7 +770,7 @@ static int set_oss_params (int fd, struct audio_s *pa)
*
* This was long ago under different conditions.
* Should study this again some day.
*/
*
* Your milage may vary.
*/
err = ioctl (fd, SNDCTL_DSP_GETBLKSIZE, &ossbuf_size_in_bytes);
@ -966,9 +966,9 @@ int audio_get (int a)
/* Fixed in 1.2. This was formerly outside of the switch */
/* so the OSS version did not process stdin or UDP. */
while (adev[a]..g_audio_in_type == AUDIO_IN_TYPE_SOUNDCARD && adev[a].inbuf_next >= adev[a].inbuf_len) {
assert (oss_audio_device_fd > 0);
n = read (oss_audio_device_fd, adev[a].inbuf_ptr, adev[a].inbuf_size_in_bytes);
while (adev[a].g_audio_in_type == AUDIO_IN_TYPE_SOUNDCARD && adev[a].inbuf_next >= adev[a].inbuf_len) {
assert (adev[a].oss_audio_device_fd > 0);
n = read (adev[a].oss_audio_device_fd, adev[a].inbuf_ptr, adev[a].inbuf_size_in_bytes);
//text_color_set(DW_COLOR_DEBUG);
// dw_printf ("audio_get(): read %d returns %d\n", adev[a].inbuf_size_in_bytes, n);
if (n < 0) {
@ -1236,8 +1236,8 @@ int audio_flush (int a)
len = adev[a].outbuf_len;
while (len > 0) {
assert (oss_audio_device_fd > 0);
k = write (oss_audio_device_fd, ptr, len);
assert (adev[a].oss_audio_device_fd > 0);
k = write (adev[a].oss_audio_device_fd, ptr, len);
#if DEBUGx
text_color_set(DW_COLOR_DEBUG);
dw_printf ("audio_flush(): write %d returns %d\n", len, k);
@ -1329,12 +1329,12 @@ void audio_wait (int a)
#else
assert (oss_audio_device_fd > 0);
assert (adev[a].oss_audio_device_fd > 0);
// This caused a crash later on Cygwin.
// Haven't tried it on other (non-Linux) Unix yet.
// err = ioctl (oss_audio_device_fd, SNDCTL_DSP_SYNC, NULL);
// err = ioctl (adev[a].oss_audio_device_fd, SNDCTL_DSP_SYNC, NULL);
#endif
@ -1375,13 +1375,13 @@ int audio_close (void)
#else
if (oss_audio_device_fd > 0) {
if (adev[a].oss_audio_device_fd > 0) {
audio_wait (a);
close (oss_audio_device_fd);
close (adev[a].oss_audio_device_fd);
oss_audio_device_fd = -1;
adev[a].oss_audio_device_fd = -1;
#endif
free (adev[a].inbuf_ptr);