.type = AVMEDIA_TYPE_AUDIO,
.get_audio_buffer = avfilter_null_get_audio_buffer,
.filter_samples = filter_samples,
.min_perms = AV_PERM_READ, },
{ .name = NULL}},
.type = AVMEDIA_TYPE_AUDIO,
.get_audio_buffer = avfilter_null_get_audio_buffer,
.filter_samples = filter_samples,
.min_perms = AV_PERM_READ, },
{ .name = NULL}},