---
libavfilter/af_volumedetect.c | 58 +++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/libavfilter/af_volumedetect.c b/libavfilter/af_volumedetect.c
index 327801a7f9..61c00e0248 100644
--- a/libavfilter/af_volumedetect.c
+++ b/libavfilter/af_volumedetect.c
@@ -43,6 +43,64 @@ static inline double logdb(uint64_t v)
return -log10(d) * 10;
}
+static void process_float_planar_samples(VolDetectContext *vd, AVFrame
*samples)
+{
+ int plane, i;
+ int nb_channels = samples->ch_layout.nb_channels;
+ int nb_samples = samples->nb_samples;
+ float *audio_data;
+ for (plane = 0; plane < nb_channels; plane++) {
+ audio_data = (float *)samples->extended_data[plane];
+ for (i = 0; i < nb_samples; i++) {
+ update_float_stats(vd, &audio_data[i]);
+ }
+ }
+}
+
+static void process_float_packed_samples(VolDetectContext *vd, AVFrame
*samples)
+{
+ int i, j;
+ int nb_channels = samples->ch_layout.nb_channels;
+ int nb_samples = samples->nb_samples;
+ float *audio_data;
+ for (i = 0; i < nb_samples; i++) {
+ audio_data = (float *)samples->extended_data[0];
+ for (j = 0; j < nb_channels; j++) {
+ update_float_stats(vd, &audio_data[i * nb_channels + j]);
+ }
+ }
+}
+
+static void process_int_planar_samples(VolDetectContext *vd, AVFrame *samples)
+{
+ int plane, i;
+ int nb_channels = samples->ch_layout.nb_channels;
+ int nb_samples = samples->nb_samples;
+ int16_t *pcm;
+ for (plane = 0; plane < nb_channels; plane++) {
+ pcm = (int16_t *)samples->extended_data[plane];
+ for (i = 0; i < nb_samples; i++) {
+ vd->histogram[pcm[i] + 0x8000]++;
+ vd->nb_samples++;
+ }
+ }
+}
+
+static void process_int_packed_samples(VolDetectContext *vd, AVFrame *samples)
+{
+ int i, j;
+ int nb_channels = samples->ch_layout.nb_channels;
+ int nb_samples = samples->nb_samples;
+ int16_t *pcm;
+ for (i = 0; i < nb_samples; i++) {
+ pcm = (int16_t *)samples->extended_data[0];
+ for (j = 0; j < nb_channels; j++) {
+ vd->histogram[pcm[i * nb_channels + j] + 0x8000]++;
+ vd->nb_samples++;
+ }
+ }
+}
+
static int filter_frame(AVFilterLink *inlink, AVFrame *samples)
{
AVFilterContext *ctx = inlink->dst;
--
2.45.2
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
