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Diffstat (limited to 'src/pulsecore/modargs.c')
-rw-r--r--src/pulsecore/modargs.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/src/pulsecore/modargs.c b/src/pulsecore/modargs.c
index 866e6e0c..4a30f52a 100644
--- a/src/pulsecore/modargs.c
+++ b/src/pulsecore/modargs.c
@@ -274,11 +274,15 @@ int pa_modargs_get_sample_spec(pa_modargs *ma, pa_sample_spec *rss) {
pa_assert(rss);
ss = *rss;
- if ((pa_modargs_get_value_u32(ma, "rate", &ss.rate)) < 0)
+ if ((pa_modargs_get_value_u32(ma, "rate", &ss.rate)) < 0 ||
+ ss.rate <= 0 ||
+ ss.rate > PA_RATE_MAX)
return -1;
channels = ss.channels;
- if ((pa_modargs_get_value_u32(ma, "channels", &channels)) < 0)
+ if ((pa_modargs_get_value_u32(ma, "channels", &channels)) < 0 ||
+ channels <= 0 ||
+ channels >= PA_CHANNELS_MAX)
return -1;
ss.channels = (uint8_t) channels;
@@ -314,7 +318,12 @@ int pa_modargs_get_channel_map(pa_modargs *ma, const char *name, pa_channel_map
return 0;
}
-int pa_modargs_get_sample_spec_and_channel_map(pa_modargs *ma, pa_sample_spec *rss, pa_channel_map *rmap, pa_channel_map_def_t def) {
+int pa_modargs_get_sample_spec_and_channel_map(
+ pa_modargs *ma,
+ pa_sample_spec *rss,
+ pa_channel_map *rmap,
+ pa_channel_map_def_t def) {
+
pa_sample_spec ss;
pa_channel_map map;
@@ -327,7 +336,10 @@ int pa_modargs_get_sample_spec_and_channel_map(pa_modargs *ma, pa_sample_spec *r
if (pa_modargs_get_sample_spec(ma, &ss) < 0)
return -1;
- pa_channel_map_init_extend(&map, ss.channels, def);
+ map = *rmap;
+
+ if (ss.channels != map.channels)
+ pa_channel_map_init_extend(&map, ss.channels, def);
if (pa_modargs_get_channel_map(ma, NULL, &map) < 0)
return -1;