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sink-input, source-output: add sink/source_requested_by_application flag

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When a stream is created, and the stream creator specifies which device
should be used, that can affect automatic routing policies.
Specifically, module-device-manager shouldn't apply its priority list
routing when a stream has been routed by the application that created
the stream.

A stream that was initially routed by the application may be moved for
some valid reason (e.g. user requesting a move, or the original device
disappearing). When the stream is moved away from its initial device,
the "device requested by application" flag isn't relevant any more, so
it's set to false and never reset to true again.

The change in module-device-manager's routing logic will be done in the
following patch.
This commit is contained in:
Tanu Kaskinen 2017-11-28 19:50:01 +02:00
parent 10010f81e8
commit 3d698d17af
27 changed files with 72 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/pulsecore/source-output.h
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@ -75,6 +75,15 @@ struct pa_source_output {
pa_client *client; /* may be NULL */
pa_source *source; /* NULL while being moved */
/* This is set to true when creating the source output if the source was
* requested by the application that created the source output. This is
* sometimes useful for determining whether the source output should be
* moved by some automatic policy. If the source output is moved away from
* the source that the application requested, this flag is reset to
* false. */
bool source_requested_by_application;
pa_source *destination_source; /* only set by filter sources */
/* A source output can monitor just a single input of a sink, in which case we find it here */
@ -243,6 +252,7 @@ typedef struct pa_source_output_new_data {
pa_client *client;
pa_source *source;
bool source_requested_by_application;
pa_source *destination_source;
pa_resample_method_t resample_method;
@ -277,7 +287,8 @@ void pa_source_output_new_data_set_volume(pa_source_output_new_data *data, const
void pa_source_output_new_data_apply_volume_factor(pa_source_output_new_data *data, const pa_cvolume *volume_factor);
void pa_source_output_new_data_apply_volume_factor_source(pa_source_output_new_data *data, const pa_cvolume *volume_factor);
void pa_source_output_new_data_set_muted(pa_source_output_new_data *data, bool mute);
bool pa_source_output_new_data_set_source(pa_source_output_new_data *data, pa_source *s, bool save);
bool pa_source_output_new_data_set_source(pa_source_output_new_data *data, pa_source *s, bool save,
bool requested_by_application);
bool pa_source_output_new_data_set_formats(pa_source_output_new_data *data, pa_idxset *formats);
void pa_source_output_new_data_done(pa_source_output_new_data *data);