From 44d7cfe5d10b367b289549d90fabb3b985acb128 Mon Sep 17 00:00:00 2001
From: Fredrick Brennan <copypaste@kittens.ph>
Date: Fri, 24 Feb 2023 09:51:16 -0500
Subject: [PATCH] Prevent collisions between Android's asm-generic/termbits.h
 and ffmpeg

---
 libavcodec/aaccoder.c |  5 +++++
 libavcodec/faandct.c  | 15 +++++++++++++++
 libavcodec/hevcdec.h  |  9 +++++++++
 libavcodec/opus_pvq.h |  4 ++++
 4 files changed, 33 insertions(+)

diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index 6291c16123..de51fa80fb 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -52,6 +52,11 @@
 
 #include "libavcodec/aaccoder_twoloop.h"
 
+#ifdef __ANDROID__
+#undef B0
+#undef B1
+#endif
+
 /* Parameter of f(x) = a*(lambda/100), defines the maximum fourier spread
  * beyond which no PNS is used (since the SFBs contain tone rather than noise) */
 #define NOISE_SPREAD_THRESHOLD 0.9f
diff --git a/libavcodec/faandct.c b/libavcodec/faandct.c
index 38c392bbae..923fa9beda 100644
--- a/libavcodec/faandct.c
+++ b/libavcodec/faandct.c
@@ -37,6 +37,21 @@ for this approach). Unfortunately, long double is not always available correctly
 e.g ppc has issues.
 TODO: add L suffixes when ppc and toolchains sort out their stuff.
 */
+#ifdef __ANDROID__
+#undef B0
+#undef B1
+#undef B2
+#undef B3
+#undef B4
+#undef B5
+#undef B6
+#undef B7
+#undef A1
+#undef A2
+#undef A3
+#undef A4
+#undef A5
+#endif
 #define B0 1.000000000000000000000000000000000000
 #define B1 0.720959822006947913789091890943021267 // (cos(pi*1/16)sqrt(2))^-1
 #define B2 0.765366864730179543456919968060797734 // (cos(pi*2/16)sqrt(2))^-1
diff --git a/libavcodec/hevcdec.h b/libavcodec/hevcdec.h
index 9d3f4adbb3..4b500350c0 100644
--- a/libavcodec/hevcdec.h
+++ b/libavcodec/hevcdec.h
@@ -57,6 +57,15 @@
 #define L0 0
 #define L1 1
 
+#ifdef __ANDROID__
+#undef A0
+#undef A1
+#undef A2
+#undef B0
+#undef B1
+#undef B2
+#endif
+
 #define EPEL_EXTRA_BEFORE 1
 #define EPEL_EXTRA_AFTER  2
 #define EPEL_EXTRA        3
diff --git a/libavcodec/opus_pvq.h b/libavcodec/opus_pvq.h
index b71bc49034..91c59f2812 100644
--- a/libavcodec/opus_pvq.h
+++ b/libavcodec/opus_pvq.h
@@ -27,6 +27,10 @@
 
 #include "opus_celt.h"
 
+#ifdef __ANDROID__
+#undef B0
+#endif
+
 #define QUANT_FN(name) uint32_t (name)(struct CeltPVQ *pvq, CeltFrame *f,            \
                                        OpusRangeCoder *rc, const int band, float *X, \
                                        float *Y, int N, int b, uint32_t blocks,      \
-- 
2.39.2