[vlc-commits] aout: fix replaygain

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Fri May 26 21:03:25 2017 +0200| [4737b00ecc4cd5be0b3aecc896a8a3a3a5851e0b] | committer: Francois Cartegnie

aout: fix replaygain

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=4737b00ecc4cd5be0b3aecc896a8a3a3a5851e0b
---

 src/input/decoder.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/input/decoder.c b/src/input/decoder.c
index 01645cf04e..c06e958e96 100644
--- a/src/input/decoder.c
+++ b/src/input/decoder.c
@@ -285,6 +285,20 @@ static vout_thread_t *aout_request_vout( void *p_private,
     return p_vout;
 }
 
+static bool aout_replaygain_changed( const audio_replay_gain_t *a,
+                                     const audio_replay_gain_t *b )
+{
+    for( size_t i=0; i<AUDIO_REPLAY_GAIN_MAX; i++ )
+    {
+        if( a->pb_gain[i] != b->pb_gain[i] ||
+            a->pb_peak[i] != b->pb_peak[i] ||
+            a->pb_gain[i] != b->pb_gain[i] ||
+            a->pb_peak[i] != b->pb_peak[i] )
+            return true;
+    }
+    return false;
+}
+
 static int aout_update_format( decoder_t *p_dec )
 {
     decoder_owner_sys_t *p_owner = p_dec->p_owner;
@@ -304,6 +318,18 @@ static int aout_update_format( decoder_t *p_dec )
         input_resource_PutAout( p_owner->p_resource, p_aout );
     }
 
+    /* Check if only replay gain has changed */
+    if( aout_replaygain_changed( &p_dec->fmt_in.audio_replay_gain,
+                                 &p_owner->fmt.audio_replay_gain ) )
+    {
+        p_dec->fmt_out.audio_replay_gain = p_dec->fmt_in.audio_replay_gain;
+        if( p_owner->p_aout )
+        {
+            p_owner->fmt.audio_replay_gain = p_dec->fmt_in.audio_replay_gain;
+            var_TriggerCallback( p_owner->p_aout, "audio-replay-gain-mode" );
+        }
+    }
+
     if( p_owner->p_aout == NULL )
     {
         p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;