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-rw-r--r--src/output_init.c11
-rw-r--r--src/output_internal.h12
-rw-r--r--src/output_thread.c11
3 files changed, 34 insertions, 0 deletions
diff --git a/src/output_init.c b/src/output_init.c
index 2ce6b30f9..387915ddc 100644
--- a/src/output_init.c
+++ b/src/output_init.c
@@ -194,6 +194,17 @@ audio_output_init(struct audio_output *ao, const struct config_param *param,
ao->filter = filter_chain_new();
assert(ao->filter != NULL);
+ /* create the replay_gain filter */
+
+ ao->replay_gain_filter = filter_new(&replay_gain_filter_plugin,
+ param, NULL);
+ assert(ao->replay_gain_filter != NULL);
+
+ filter_chain_append(ao->filter, ao->replay_gain_filter);
+ ao->replay_gain_serial = 0;
+
+ /* create the normalization filter (if configured) */
+
if (config_get_bool(CONF_VOLUME_NORMALIZATION, false)) {
struct filter *normalize_filter =
filter_new(&normalize_filter_plugin, NULL, NULL);
diff --git a/src/output_internal.h b/src/output_internal.h
index 804fd8cdc..2a438c62f 100644
--- a/src/output_internal.h
+++ b/src/output_internal.h
@@ -135,6 +135,18 @@ struct audio_output {
struct filter *filter;
/**
+ * The replay_gain_filter_plugin instance of this audio
+ * output.
+ */
+ struct filter *replay_gain_filter;
+
+ /**
+ * The serial number of the last replay gain info. 0 means no
+ * replay gain info was available.
+ */
+ unsigned replay_gain_serial;
+
+ /**
* The convert_filter_plugin instance of this audio output.
* It is the last item in the filter chain, and is responsible
* for converting the input data into the appropriate format
diff --git a/src/output_thread.c b/src/output_thread.c
index eb44d4c87..0e34c64b7 100644
--- a/src/output_thread.c
+++ b/src/output_thread.c
@@ -26,6 +26,7 @@
#include "player_control.h"
#include "filter_plugin.h"
#include "filter/convert_filter_plugin.h"
+#include "filter/replay_gain_filter_plugin.h"
#include <glib.h>
@@ -261,6 +262,16 @@ ao_play_chunk(struct audio_output *ao, const struct music_chunk *chunk)
g_mutex_lock(ao->mutex);
}
+ /* update replay gain */
+
+ if (chunk->replay_gain_serial != ao->replay_gain_serial) {
+ replay_gain_filter_set_info(ao->replay_gain_filter,
+ chunk->replay_gain_serial != 0
+ ? &chunk->replay_gain_info
+ : NULL);
+ ao->replay_gain_serial = chunk->replay_gain_serial;
+ }
+
if (size == 0)
return true;