avfilter/af_surround: drain input at EOF

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2018-03-16 12:30:17 +01:00
parent 1296a718dc
commit 5941179e28

View File

@ -1390,6 +1390,27 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return 0;
}
static int request_frame(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
AudioSurroundContext *s = ctx->priv;
int ret = 0;
ret = ff_request_frame(ctx->inputs[0]);
if (ret == AVERROR_EOF && av_audio_fifo_size(s->fifo) > 0 && av_audio_fifo_size(s->fifo) < s->buf_size) {
AVFrame *in;
in = ff_get_audio_buffer(outlink, s->buf_size - av_audio_fifo_size(s->fifo));
if (!in)
return AVERROR(ENOMEM);
ret = filter_frame(ctx->inputs[0], in);
av_audio_fifo_drain(s->fifo, s->buf_size);
}
return ret;
}
static av_cold void uninit(AVFilterContext *ctx)
{
AudioSurroundContext *s = ctx->priv;
@ -1445,9 +1466,10 @@ static const AVFilterPad inputs[] = {
static const AVFilterPad outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.config_props = config_output,
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.request_frame = request_frame,
.config_props = config_output,
},
{ NULL }
};