diff options
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/af_rubberband.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavfilter/af_rubberband.c b/libavfilter/af_rubberband.c index ca2be4dcb9..10471bc94d 100644 --- a/libavfilter/af_rubberband.c +++ b/libavfilter/af_rubberband.c @@ -37,6 +37,7 @@ typedef struct RubberBandContext { smoothing, formant, opitch, channels; int64_t nb_samples_out; int64_t nb_samples_in; + int64_t first_pts; int nb_samples; } RubberBandContext; @@ -124,6 +125,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) AVFrame *out; int ret = 0, nb_samples; + if (s->first_pts == AV_NOPTS_VALUE) + s->first_pts = in->pts; + rubberband_process(s->rbs, (const float *const *)in->data, in->nb_samples, ff_outlink_get_status(inlink)); s->nb_samples_in += in->nb_samples; @@ -134,7 +138,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) av_frame_free(&in); return AVERROR(ENOMEM); } - out->pts = av_rescale_q(s->nb_samples_out, + out->pts = s->first_pts + av_rescale_q(s->nb_samples_out, (AVRational){ 1, outlink->sample_rate }, outlink->time_base); nb_samples = rubberband_retrieve(s->rbs, (float *const *)out->data, nb_samples); @@ -162,6 +166,7 @@ static int config_input(AVFilterLink *inlink) return AVERROR(ENOMEM); s->nb_samples = rubberband_get_samples_required(s->rbs); + s->first_pts = AV_NOPTS_VALUE; return 0; } |