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sink-input: New volume_factor system

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Implement setting of more than one volume factor.  The
real value of the volume_factor will be the multiplication of these
values.
This commit is contained in:
Flavio Ceolin 2012-11-29 11:04:11 -02:00 • committed by Tanu Kaskinen
parent bf962a2600
commit 9e2b6a0b5c
3 changed files with 164 additions and 34 deletions
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26
src/pulsecore/sink-input.h
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@ -100,10 +100,19 @@ struct pa_sink_input {
pa_cvolume volume; /* The volume clients are informed about */
pa_cvolume reference_ratio; /* The ratio of the stream's volume to the sink's reference volume */
pa_cvolume real_ratio; /* The ratio of the stream's volume to the sink's real volume */
pa_cvolume volume_factor; /* An internally used volume factor that can be used by modules to apply effects and suchlike without having that visible to the outside */
pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through. Usually calculated as real_ratio * volume_factor */
/* volume_factor is an internally used "additional volume" that can be used
* by modules without having the volume visible to clients. volume_factor
* calculated by merging all the individual items in volume_factor_items.
* Modules must not modify these variables directly, instead
* pa_sink_input_add/remove_volume_factor() have to be used to add and
* remove items, or pa_sink_input_new_data_add_volume_factor() during input
* creation time. */
pa_cvolume volume_factor;
pa_hashmap *volume_factor_items;
pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through. Usually calculated as real_ratio * volume_factor */
pa_cvolume volume_factor_sink; /* A second volume factor in format of the sink this stream is connected to */
pa_cvolume volume_factor_sink; /* A second volume factor in format of the sink this stream is connected to. */
pa_hashmap *volume_factor_sink_items;
pa_bool_t volume_writable:1;
@ -284,13 +293,14 @@ typedef struct pa_sink_input_new_data {
pa_idxset *req_formats;
pa_idxset *nego_formats;
pa_cvolume volume, volume_factor, volume_factor_sink;
pa_cvolume volume;
pa_bool_t muted:1;
pa_hashmap *volume_factor_items, *volume_factor_sink_items;
pa_bool_t sample_spec_is_set:1;
pa_bool_t channel_map_is_set:1;
pa_bool_t volume_is_set:1, volume_factor_is_set:1, volume_factor_sink_is_set:1;
pa_bool_t volume_is_set:1;
pa_bool_t muted_is_set:1;
pa_bool_t volume_is_absolute:1;
@ -305,8 +315,8 @@ void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const
void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data *data, const pa_channel_map *map);
pa_bool_t pa_sink_input_new_data_is_passthrough(pa_sink_input_new_data *data);
void pa_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cvolume *volume);
void pa_sink_input_new_data_apply_volume_factor(pa_sink_input_new_data *data, const pa_cvolume *volume_factor);
void pa_sink_input_new_data_apply_volume_factor_sink(pa_sink_input_new_data *data, const pa_cvolume *volume_factor);
void pa_sink_input_new_data_add_volume_factor(pa_sink_input_new_data *data, const char *key, const pa_cvolume *volume_factor);
void pa_sink_input_new_data_add_volume_factor_sink(pa_sink_input_new_data *data, const char *key, const pa_cvolume *volume_factor);
void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute);
pa_bool_t pa_sink_input_new_data_set_sink(pa_sink_input_new_data *data, pa_sink *s, pa_bool_t save);
pa_bool_t pa_sink_input_new_data_set_formats(pa_sink_input_new_data *data, pa_idxset *formats);
@ -354,6 +364,8 @@ pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency);
pa_bool_t pa_sink_input_is_passthrough(pa_sink_input *i);
pa_bool_t pa_sink_input_is_volume_readable(pa_sink_input *i);
void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_bool_t save, pa_bool_t absolute);
void pa_sink_input_add_volume_factor(pa_sink_input *i, const char *key, const pa_cvolume *volume_factor);
void pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key);
pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, pa_bool_t absolute);
void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute, pa_bool_t save);