diff options
Diffstat (limited to 'src/pulse/channelmap.h')
| -rw-r--r-- | src/pulse/channelmap.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/pulse/channelmap.h b/src/pulse/channelmap.h index a6c044f1..6e92e761 100644 --- a/src/pulse/channelmap.h +++ b/src/pulse/channelmap.h @@ -214,7 +214,10 @@ const char* pa_channel_position_to_pretty_string(pa_channel_position_t pos); /** Make a humand readable string from the specified channel map */ char* pa_channel_map_snprint(char *s, size_t l, const pa_channel_map *map); -/** Parse a channel position list into a channel map structure. */ +/** Parse a channel position list or well-known mapping name into a + * channel map structure. This turns the output of + * pa_channel_map_snprint() and pa_channel_map_to_name() back into a + * pa_channel_map */ pa_channel_map *pa_channel_map_parse(pa_channel_map *map, const char *s); /** Compare two channel maps. Return 1 if both match. */ @@ -230,6 +233,22 @@ int pa_channel_map_compatible(const pa_channel_map *map, const pa_sample_spec *s /** Returns non-zero if every channel defined in b is also defined in a. \since 0.9.15 */ int pa_channel_map_superset(const pa_channel_map *a, const pa_channel_map *b) PA_GCC_PURE; +/** Returns non-zero if it makes sense to apply a volume 'balance' + * with this mapping, i.e. if there are left/right channels + * available. \since 0.9.15 */ +int pa_channel_map_can_balance(const pa_channel_map *map) PA_GCC_PURE; + +/** Tries to find a well-known channel mapping name for this channel + * mapping. I.e. "stereo", "surround-71" and so on. If the channel + * mapping is unknown NULL will be returned. This name can be parsed + * with pa_channel_map_parse() \since 0.9.15 */ +const char* pa_channel_map_to_name(const pa_channel_map *map) PA_GCC_PURE; + +/** Tries to find a human readable text label for this channel +mapping. I.e. "Stereo", "Surround 7.1" and so on. If the channel +mapping is unknown NULL will be returned. \since 0.9.15 */ +const char* pa_channel_map_to_pretty_name(const pa_channel_map *map) PA_GCC_PURE; + PA_C_DECL_END #endif |