docs: Add missing obs_source_t functions + organize

Adds some notable obs_source_t functions which are missing from the
current docs. Moves some of the audio-related functions together.

docs/sphinx/reference-sources.rst

@@ -179,7 +179,7 @@ Source Definition Structure (obs_source_info)
    from destroy.
 
 .. member:: uint32_t (*obs_source_info.get_width)(void *data)
-	    uint32_t (*obs_source_info.get_height)(void *data);
+            uint32_t (*obs_source_info.get_height)(void *data)
 
    Returns the width/height of the source.  These callbacks are required
    if this is a video source and is synchronous.
@@ -753,16 +753,11 @@ General Source Functions
 
 ---------------------
 
-.. function:: void obs_source_set_hidden(obs_source_t *source, bool hidden)
-
-   Sets the hidden flag that determines whether it should be hidden from the user.
-   Used when the source is still alive but should not be referenced.
-
----------------------
-
 .. function:: bool obs_source_is_hidden(obs_source_t *source)
+              void obs_source_set_hidden(obs_source_t *source, bool hidden)
 
-  :return: *true* if source's 'hidden' is set true
+   Gets/sets the hidden property that determines whether it should be hidden from the user.
+   Used when the source is still alive but should not be referenced.
 
 ---------------------
 
@@ -927,38 +922,47 @@ General Source Functions
 
 ---------------------
 
-.. function:: bool obs_source_push_to_mute_enabled(const obs_source_t *source)
-              void obs_source_enable_push_to_mute(obs_source_t *source, bool enabled)
+.. function:: enum speaker_layout obs_source_get_speaker_layout(obs_source_t *source)
 
-   Sets/gets whether push-to-mute is enabled.
+   Gets the current speaker layout.
 
 ---------------------
 
-.. function:: uint64_t obs_source_get_push_to_mute_delay(const obs_source_t *source)
-              void obs_source_set_push_to_mute_delay(obs_source_t *source, uint64_t delay)
+.. function:: void obs_source_set_balance_value(obs_source_t *source, float balance)
+              float obs_source_get_balance_value(const obs_source_t *source)
 
-   Sets/gets the push-to-mute delay.
+   Sets/gets the audio balance value.
 
 ---------------------
 
-.. function:: bool obs_source_push_to_talk_enabled(const obs_source_t *source)
-              void obs_source_enable_push_to_talk(obs_source_t *source, bool enabled)
+.. function:: void obs_source_set_sync_offset(obs_source_t *source, int64_t offset)
+              int64_t obs_source_get_sync_offset(const obs_source_t *source)
 
-   Sets/gets whether push-to-talk is enabled.
+   Sets/gets the audio sync offset (in nanoseconds) for a source.
 
 ---------------------
 
-.. function:: uint64_t obs_source_get_push_to_talk_delay(const obs_source_t *source)
-              void obs_source_set_push_to_talk_delay(obs_source_t *source, uint64_t delay)
+.. function:: void obs_source_set_audio_mixers(obs_source_t *source, uint32_t mixers)
+              uint32_t obs_source_get_audio_mixers(const obs_source_t *source)
 
-   Sets/gets the push-to-talk delay.
+   Sets/gets the audio mixer channels that a source outputs to,
+   depending on what bits are set.  Audio mixers allow filtering
+   specific using multiple audio encoders to mix different sources
+   together depending on what mixer channel they're set to.
+
+   For example, to output to mixer 1 and 3, you would perform a bitwise
+   OR on bits 0 and 2:  (1<<0) | (1<<2), or 0x5.
 
 ---------------------
 
-.. function:: void obs_source_set_sync_offset(obs_source_t *source, int64_t offset)
-              int64_t obs_source_get_sync_offset(const obs_source_t *source)
+.. function:: void obs_source_set_monitoring_type(obs_source_t *source, enum obs_monitoring_type type)
+              enum obs_monitoring_type obs_source_get_monitoring_type(obs_source_t *source)
 
-   Sets/gets the audio sync offset (in nanoseconds) for a source.
+   Sets/gets the desktop audio monitoring type.
+
+   :param order: | OBS_MONITORING_TYPE_NONE - Do not monitor
+                 | OBS_MONITORING_TYPE_MONITOR_ONLY - Send to monitor device, no outputs
+                 | OBS_MONITORING_TYPE_MONITOR_AND_OUTPUT - Send to monitor device and outputs
 
 ---------------------
 
@@ -976,6 +980,34 @@ General Source Functions
 
 ---------------------
 
+.. function:: bool obs_source_push_to_mute_enabled(const obs_source_t *source)
+              void obs_source_enable_push_to_mute(obs_source_t *source, bool enabled)
+
+   Sets/gets whether push-to-mute is enabled.
+
+---------------------
+
+.. function:: uint64_t obs_source_get_push_to_mute_delay(const obs_source_t *source)
+              void obs_source_set_push_to_mute_delay(obs_source_t *source, uint64_t delay)
+
+   Sets/gets the push-to-mute delay.
+
+---------------------
+
+.. function:: bool obs_source_push_to_talk_enabled(const obs_source_t *source)
+              void obs_source_enable_push_to_talk(obs_source_t *source, bool enabled)
+
+   Sets/gets whether push-to-talk is enabled.
+
+---------------------
+
+.. function:: uint64_t obs_source_get_push_to_talk_delay(const obs_source_t *source)
+              void obs_source_set_push_to_talk_delay(obs_source_t *source, uint64_t delay)
+
+   Sets/gets the push-to-talk delay.
+
+---------------------
+
 .. function:: bool obs_source_active(const obs_source_t *source)
 
    :return: *true* if active, *false* if not.  A source is only
@@ -1006,19 +1038,6 @@ General Source Functions
 
 ---------------------
 
-.. function:: void obs_source_set_audio_mixers(obs_source_t *source, uint32_t mixers)
-              uint32_t obs_source_get_audio_mixers(const obs_source_t *source)
-
-   Sets/gets the audio mixer channels that a source outputs to
-   (depending on what bits are set).  Audio mixers allow filtering
-   specific using multiple audio encoders to mix different sources
-   together depending on what mixer channel they're set to.
-
-   For example, to output to mixer 1 and 3, you would perform a bitwise
-   OR on bits 0 and 2:  (1<<0) | (1<<2), or 0x5.
-
----------------------
-
 .. function:: void obs_source_enum_filters(obs_source_t *source, obs_source_enum_proc_t callback, void *param)
 
    Enumerates active filters on a source.