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-rw-r--r--libavcodec/avcodec.h5
-rw-r--r--libavcodec/idctdsp.c1
-rw-r--r--libavcodec/version.h1
3 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index acb7ae0e14..5362446092 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1407,7 +1407,10 @@ typedef struct AVCodecContext {
#define FF_IDCT_SIMPLEARMV6 17
#define FF_IDCT_FAAN 20
#define FF_IDCT_SIMPLENEON 22
-#define FF_IDCT_NONE 24 /* Used by XvMC to extract IDCT coefficients with FF_IDCT_PERM_NONE */
+#if FF_API_IDCT_NONE
+// formerly used by xvmc
+#define FF_IDCT_NONE 24
+#endif
#define FF_IDCT_SIMPLEAUTO 128
/**
diff --git a/libavcodec/idctdsp.c b/libavcodec/idctdsp.c
index d07dc29207..fbcec8436c 100644
--- a/libavcodec/idctdsp.c
+++ b/libavcodec/idctdsp.c
@@ -287,7 +287,6 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
c->perm_type = FF_IDCT_PERM_NONE;
#endif /* CONFIG_FAANIDCT */
} else { // accurate/default
- /* Be sure FF_IDCT_NONE will select this one, since it uses FF_IDCT_PERM_NONE */
c->idct_put = ff_simple_idct_put_int16_8bit;
c->idct_add = ff_simple_idct_add_int16_8bit;
c->idct = ff_simple_idct_int16_8bit;
diff --git a/libavcodec/version.h b/libavcodec/version.h
index b5867ad041..d900503954 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -64,5 +64,6 @@
#define FF_API_FLAG_TRUNCATED (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_SUB_TEXT_FORMAT (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_MJPEG_PRED (LIBAVCODEC_VERSION_MAJOR < 60)
+#define FF_API_IDCT_NONE (LIBAVCODEC_VERSION_MAJOR < 60)
#endif /* AVCODEC_VERSION_H */