---
libavfilter/af_volume.c | 27 +++++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/libavfilter/af_volume.c b/libavfilter/af_volume.c
index 3ad1850..47c1806 100644
--- a/libavfilter/af_volume.c
+++ b/libavfilter/af_volume.c
@@ -247,24 +247,35 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
*buf)
if (vol->replaygain != REPLAYGAIN_DROP) {
AVReplayGain *replaygain = (AVReplayGain*)sd->data;
int32_t gain;
- float g;
-
- if (vol->replaygain == REPLAYGAIN_TRACK &&
- replaygain->track_gain != INT32_MIN)
- gain = replaygain->track_gain;
- else if (replaygain->album_gain != INT32_MIN)
- gain = replaygain->album_gain;
- else {
+ uint32_t peak;
+ float g, p;
+
+ if (vol->replaygain == REPLAYGAIN_TRACK) {
+ if (replaygain->track_gain != INT32_MIN)
+ gain = replaygain->track_gain;
+
+ if (replaygain->track_peak != 0)
+ peak = replaygain->track_peak;
+ } else if (vol->replaygain == REPLAYGAIN_ALBUM) {
+ if (replaygain->album_gain != INT32_MIN)
+ gain = replaygain->album_gain;
+
+ if (replaygain->album_peak != 0)
+ peak = replaygain->album_peak;
+ } else {
av_log(inlink->dst, AV_LOG_WARNING, "Both ReplayGain gain "
"values are unknown.\n");
gain = 100000;
+ peak = 100000;
}
g = gain / 100000.0f;
+ p = peak / 100000.0f;
av_log(inlink->dst, AV_LOG_VERBOSE,
"Using gain %f dB from replaygain side data.\n", g);
vol->volume = pow(10, (g + vol->replaygain_preamp) / 20);
+ vol->volume = FFMIN(vol->volume, 1.0 / p);
vol->volume_i = (int)(vol->volume * 256 + 0.5);
volume_init(vol);
--
1.9.1
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