From afb6f1c7e988b4499abd0673339c53e4b08db43a Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 25 May 2020 01:54:04 +0200
Subject: audio: add frame alloc function

Meh, why is this so roundabout?
---
 audio/aframe.c | 13 +++++++++++++
 audio/aframe.h |  1 +
 2 files changed, 14 insertions(+)

diff --git a/audio/aframe.c b/audio/aframe.c
index 35259ba208..0bb2f872b4 100644
--- a/audio/aframe.c
+++ b/audio/aframe.c
@@ -100,6 +100,19 @@ void mp_aframe_unref_data(struct mp_aframe *frame)
     talloc_free(tmp);
 }
 
+// Allocate this much data. Returns false for failure (data already allocated,
+// invalid sample count or format, allocation failures).
+// Normally you're supposed to use a frame pool and mp_aframe_pool_allocate().
+bool mp_aframe_alloc_data(struct mp_aframe *frame, int samples)
+{
+    if (mp_aframe_is_allocated(frame))
+        return false;
+    struct mp_aframe_pool *p = mp_aframe_pool_create(NULL);
+    int r = mp_aframe_pool_allocate(p, frame, samples);
+    talloc_free(p);
+    return r >= 0;
+}
+
 // Return a new reference to the data in av_frame. av_frame itself is not
 // touched. Returns NULL if not representable, or if input is NULL.
 // Does not copy the timestamps.
diff --git a/audio/aframe.h b/audio/aframe.h
index 21d4494f5f..be456a3dd1 100644
--- a/audio/aframe.h
+++ b/audio/aframe.h
@@ -20,6 +20,7 @@ struct AVFrame *mp_aframe_to_avframe_and_unref(struct mp_aframe *frame);
 struct AVFrame *mp_aframe_get_raw_avframe(struct mp_aframe *frame);
 
 bool mp_aframe_is_allocated(struct mp_aframe *frame);
+bool mp_aframe_alloc_data(struct mp_aframe *frame, int samples);
 
 void mp_aframe_config_copy(struct mp_aframe *dst, struct mp_aframe *src);
 bool mp_aframe_config_equals(struct mp_aframe *a, struct mp_aframe *b);
-- 
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