audio/filters: add af_force

Its main purpose is for testing in case channel layout stuff breaks, in
particular in connection with old audio filters.

1 files changed, 1 insertions, 0 deletions

diff --git a/audio/audio.h b/audio/audio.h
index 6e0a1cb4b1..de35e697c8 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -38,6 +38,7 @@ void mp_audio_set_num_channels(struct mp_audio *mpa, int num_channels);
 void mp_audio_set_channels_old(struct mp_audio *mpa, int num_channels);
 void mp_audio_set_channels(struct mp_audio *mpa, const struct mp_chmap *chmap);
 void mp_audio_copy_config(struct mp_audio *dst, const struct mp_audio *src);
+bool mp_audio_config_equals(const struct mp_audio *a, const struct mp_audio *b);
 
 char *mp_audio_fmt_to_str(int srate, const struct mp_chmap *chmap, int format);
 char *mp_audio_config_to_str(struct mp_audio *mpa);