audio: add mp_audio_pool

A helper to allocate refcounted audio frames from a pool. This will
replace the static buffer many audio filters use (af->data), because
such static buffers are incompatible with refcounting.

1 files changed, 4 insertions, 0 deletions

diff --git a/audio/audio.h b/audio/audio.h
index aa03f2450c..c2699d8906 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -68,4 +68,8 @@ void mp_audio_copy(struct mp_audio *dst, int dst_offset,
                    struct mp_audio *src, int src_offset, int length);
 void mp_audio_skip_samples(struct mp_audio *data, int samples);
 
+struct mp_audio_pool *mp_audio_pool_create(void *ta_parent);
+struct mp_audio *mp_audio_pool_get(struct mp_audio_pool *pool,
+                                   const struct mp_audio *fmt, int samples);
+
 #endif