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| author | Warren Dukes <warren.dukes@gmail.com> | 2004-07-17 14:54:22 +0000 |
|---|---|---|
| committer | Warren Dukes <warren.dukes@gmail.com> | 2004-07-17 14:54:22 +0000 |
| commit | efda73c74dd379b30bf56fcff89eee9338acc02f (patch) | |
| tree | ab99529448243510a8b18013f715ba8e382d72e1 /src/replayGain.c | |
| parent | 3edf33154308eafe212a0d536612b030e95ffc70 (diff) | |
| download | mpd-efda73c74dd379b30bf56fcff89eee9338acc02f.tar.gz mpd-efda73c74dd379b30bf56fcff89eee9338acc02f.tar.xz mpd-efda73c74dd379b30bf56fcff89eee9338acc02f.zip | |
add replaygain preamp
git-svn-id: https://svn.musicpd.org/mpd/trunk@1873 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to 'src/replayGain.c')
| -rw-r--r-- | src/replayGain.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/replayGain.c b/src/replayGain.c index db401b4d1..dbd09aa36 100644 --- a/src/replayGain.c +++ b/src/replayGain.c @@ -29,6 +29,8 @@ /* Added 4/14/2004 by AliasMrJones */ static int replayGainState = REPLAYGAIN_OFF; +static float replayGainPreamp = 1.0; + void initReplayGainState() { if(!getConf()[CONF_REPLAYGAIN]) return; @@ -43,17 +45,38 @@ void initReplayGainState() { getConf()[CONF_REPLAYGAIN]); exit(EXIT_FAILURE); } + + if(getConf()[CONF_REPLAYGAIN_PREAMP]) { + char * test; + float f = strtod(getConf()[CONF_REPLAYGAIN_PREAMP], &test); + + if(*test != '\0') { + ERROR("Replaygain preamp \"%s\" is not a number\n", + getConf()[CONF_REPLAYGAIN_PREAMP]); + exit(EXIT_FAILURE); + } + + if(f < -15 || f > 15) { + ERROR("Replaygain preamp \"%s\" is not between -15 and" + "15\n", + getConf()[CONF_REPLAYGAIN_PREAMP]); + exit(EXIT_FAILURE); + } + + replayGainPreamp = pow(10, f/20.0); + } } int getReplayGainState() { return replayGainState; } -float computeReplayGainScale(float gain, float peak){ +float computeReplayGainScale(float gain, float peak) { float scale; if(gain == 0.0) return(1); scale = pow(10.0, gain/20.0); + scale*= replayGainPreamp; if(scale > 15.0) scale = 15.0; if (scale * peak > 1.0) { |