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Added mmap'able plugins

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This commit is contained in:
Abramo Bagnara 2000-04-17 17:40:06 +00:00
parent ac470cab8e
commit 09502f8c1a
1 changed files with 26 additions and 9 deletions
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35
aplay/aplay.c
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@ -65,6 +65,7 @@ int mode = SND_PCM_MODE_BLOCK;
int direction = SND_PCM_OPEN_PLAYBACK;
int channel = SND_PCM_CHANNEL_PLAYBACK;
int mmap_flag = 0;
int noplugin = 0;
int frag = 0;
int frags = 0;
char *audiobuf = NULL;
@ -82,10 +83,14 @@ int vocmajor, vocminor;
int (*fcn_info)(snd_pcm_t *handle, snd_pcm_channel_info_t *info);
int (*fcn_params)(snd_pcm_t *handle, snd_pcm_channel_params_t *params);
int (*fcn_setup)(snd_pcm_t *handle, snd_pcm_channel_setup_t *setup);
int (*fcn_prepare)(snd_pcm_t *handle, int channel);
int (*fcn_status)(snd_pcm_t *handle, snd_pcm_channel_status_t *status);
int (*fcn_flush)(snd_pcm_t *handle, int channel);
ssize_t (*fcn_write)(snd_pcm_t *handle, const void *buffer, size_t size);
ssize_t (*fcn_read)(snd_pcm_t *handle, void *buffer, size_t size);
int (*fcn_mmap)(snd_pcm_t *handle, int channel, snd_pcm_mmap_control_t **control, void **buffer);
int (*fcn_munmap)(snd_pcm_t *handle, int channel);
int (*fcn_go)(snd_pcm_t *handle, int channel);
/* needed prototypes */
@ -182,6 +187,7 @@ static void usage(char *command)
" -t <secs> timelimit (seconds)\n"
" -e stream mode\n"
" -E mmap mode\n"
" -N Don't use plugins\n"
,command, snd_cards()-1);
fprintf(stderr, "\nRecognized data formats are:");
for (i = 0; i < NUMFORMATS; ++i)
@ -301,7 +307,7 @@ int main(int argc, char *argv[])
version();
return 0;
}
while ((c = getopt(argc, argv, "hlc:d:qs:So:t:vrwxB:c:p:mMVeEf:")) != EOF)
while ((c = getopt(argc, argv, "hlc:d:qs:So:t:vrwxB:c:p:mMVeEf:N")) != EOF)
switch (c) {
case 'h':
usage(command);
@ -393,6 +399,9 @@ int main(int argc, char *argv[])
if (mode == SND_PCM_MODE_BLOCK)
mmap_flag = 1;
break;
case 'N':
noplugin = 1;
break;
default:
usage(command);
return 1;
@ -401,22 +410,30 @@ int main(int argc, char *argv[])
if (!quiet_mode)
version();
if (mmap_flag) {
if (noplugin) {
fcn_info = snd_pcm_channel_info;
fcn_params = snd_pcm_channel_params;
fcn_setup = snd_pcm_channel_setup;
fcn_prepare = snd_pcm_channel_prepare;
fcn_status = snd_pcm_channel_status;
fcn_flush = snd_pcm_channel_flush;
fcn_write = snd_pcm_write;
fcn_read = snd_pcm_read;
fcn_mmap = snd_pcm_mmap;
fcn_munmap = snd_pcm_munmap;
fcn_go = snd_pcm_channel_go;
} else {
fcn_info = snd_pcm_plugin_info;
fcn_params = snd_pcm_plugin_params;
fcn_setup = snd_pcm_plugin_setup;
fcn_prepare = snd_pcm_plugin_prepare;
fcn_status = snd_pcm_plugin_status;
fcn_flush = snd_pcm_plugin_flush;
fcn_write = snd_pcm_plugin_write;
fcn_read = snd_pcm_plugin_read;
fcn_mmap = snd_pcm_plugin_mmap;
fcn_munmap = snd_pcm_plugin_munmap;
fcn_go = snd_pcm_plugin_go;
}
if (!quiet_mode) {
@ -631,7 +648,7 @@ static void set_format(void)
size <<= 1;
if (mmap_flag)
snd_pcm_munmap(pcm_handle, channel);
fcn_munmap(pcm_handle, channel);
fcn_flush(pcm_handle, channel); /* to be in right state */
memset(&params, 0, sizeof(params));
params.mode = mode;
@ -660,12 +677,12 @@ static void set_format(void)
exit(1);
}
if (mmap_flag) {
if (snd_pcm_mmap(pcm_handle, channel, &mmap_control, (void **)&mmap_data)<0) {
if (fcn_mmap(pcm_handle, channel, &mmap_control, (void **)&mmap_data)<0) {
fprintf(stderr, "%s: unable to mmap memory\n", command);
exit(1);
}
}
if (snd_pcm_plugin_prepare(pcm_handle, channel) < 0) {
if (fcn_prepare(pcm_handle, channel) < 0) {
fprintf(stderr, "%s: unable to prepare channel\n", command);
exit(1);
}
@ -1124,7 +1141,7 @@ void playback_write_error(void)
}
if (status.status == SND_PCM_STATUS_UNDERRUN) {
printf("underrun at position %u!!!\n", status.scount);
if (snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK)<0) {
if (fcn_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK)<0) {
fprintf(stderr, "underrun: playback channel prepare error\n");
exit(1);
}
@ -1151,7 +1168,7 @@ void capture_read_error(void)
return; /* everything is ok, but the driver is waiting for data */
if (status.status == SND_PCM_STATUS_OVERRUN) {
printf("overrun at position %u!!!\n", status.scount);
if (snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_CAPTURE)<0) {
if (fcn_prepare(pcm_handle, SND_PCM_CHANNEL_CAPTURE)<0) {
fprintf(stderr, "overrun: capture channel prepare error\n");
exit(1);
}
@ -1198,7 +1215,7 @@ void playback_go(int fd, int loaded, u_long count, int rtype, char *name)
while (mmap_control->fragments[frag].data) {
switch (mmap_control->status.status) {
case SND_PCM_STATUS_PREPARED:
if (snd_pcm_channel_go(pcm_handle, SND_PCM_CHANNEL_PLAYBACK)<0) {
if (fcn_go(pcm_handle, SND_PCM_CHANNEL_PLAYBACK)<0) {
fprintf(stderr, "%s: unable to start playback\n", command);
exit(1);
}
@ -1275,7 +1292,7 @@ void capture_go(int fd, int loaded, u_long count, int rtype, char *name)
while (!mmap_control->fragments[frag].data) {
switch (mmap_control->status.status) {
case SND_PCM_STATUS_PREPARED:
if (snd_pcm_channel_go(pcm_handle, SND_PCM_CHANNEL_CAPTURE)<0) {
if (fcn_go(pcm_handle, SND_PCM_CHANNEL_CAPTURE)<0) {
fprintf(stderr, "%s: unable to start capture\n", command);
exit(1);
}