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Added route_policy default

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This commit is contained in:
Jaroslav Kysela 2001-08-20 09:02:41 +00:00
parent 2dcdb64b93
commit 29ae3ba073
1 changed files with 16 additions and 4 deletions
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20
src/pcm/pcm_plug.c
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@ -24,6 +24,7 @@
enum snd_pcm_plug_route_policy {
PLUG_ROUTE_POLICY_NONE,
PLUG_ROUTE_POLICY_DEFAULT,
PLUG_ROUTE_POLICY_COPY,
PLUG_ROUTE_POLICY_SUM,
PLUG_ROUTE_POLICY_DUP,
@ -234,6 +235,7 @@ static int snd_pcm_plug_change_channels(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm
snd_pcm_plug_t *plug = pcm->private_data;
unsigned int tt_ssize, tt_cused, tt_sused;
snd_pcm_route_ttable_entry_t *ttable;
enum snd_pcm_plug_route_policy rpolicy;
int err;
assert(snd_pcm_format_linear(slv->format));
if (clt->channels == slv->channels)
@ -257,7 +259,13 @@ static int snd_pcm_plug_change_channels(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm
ttable = alloca(tt_cused * tt_sused * sizeof(*ttable));
for (k = 0; k < tt_cused * tt_sused; ++k)
ttable[k] = 0;
switch (plug->route_policy) {
rpolicy = plug->route_policy;
if (rpolicy == PLUG_ROUTE_POLICY_DEFAULT) {
rpolicy = PLUG_ROUTE_POLICY_COPY;
if (pcm->stream == SND_PCM_STREAM_CAPTURE && clt->channels == 1)
rpolicy = PLUG_ROUTE_POLICY_SUM;
}
switch (rpolicy) {
case PLUG_ROUTE_POLICY_SUM:
case PLUG_ROUTE_POLICY_DUP:
if (clt->channels > slv->channels) {
@ -267,7 +275,7 @@ static int snd_pcm_plug_change_channels(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm
}
while (n-- > 0) {
snd_pcm_route_ttable_entry_t v = FULL;
if (plug->route_policy == PLUG_ROUTE_POLICY_SUM) {
if (rpolicy == PLUG_ROUTE_POLICY_SUM) {
if (pcm->stream == SND_PCM_STREAM_PLAYBACK &&
clt->channels > slv->channels) {
int srcs = clt->channels / slv->channels;
@ -781,7 +789,7 @@ int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_t *spcm;
snd_config_t *slave = NULL, *sconf;
snd_config_t *tt = NULL;
enum snd_pcm_plug_route_policy route_policy = PLUG_ROUTE_POLICY_SUM;
enum snd_pcm_plug_route_policy route_policy = PLUG_ROUTE_POLICY_DEFAULT;
snd_pcm_route_ttable_entry_t *ttable = NULL;
unsigned int cused, sused;
snd_pcm_format_t sformat = SND_PCM_FORMAT_UNKNOWN;
@ -810,7 +818,11 @@ int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
SNDERR("Invalid type for %s", id);
return -EINVAL;
}
if (!strcmp(str, "sum"))
if (tt != NULL)
SNDERR("Table is defined, route policy is ignored");
if (!strcmp(str, "default"))
route_policy = PLUG_ROUTE_POLICY_DEFAULT;
else if (!strcmp(str, "sum"))
route_policy = PLUG_ROUTE_POLICY_SUM;
else if (!strcmp(str, "copy"))
route_policy = PLUG_ROUTE_POLICY_COPY;