It has been deprecated/unused for about 10 years.
---
libavcodec/avcodec.h | 2 ++
libavcodec/options_table.h | 2 ++
libavcodec/version.h | 3 +++
3 files changed, 7 insertions(+)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 320dbdd..93576c6 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2253,7 +2253,9 @@ typedef struct AVCodecContext {
#define FF_BUG_UMP4 8
#define FF_BUG_NO_PADDING 16
#define FF_BUG_AMV 32
+#if FF_API_AC_VLC
#define FF_BUG_AC_VLC 0 ///< Will be removed, libavcodec can now
handle these non-compliant files by default.
+#endif
#define FF_BUG_QPEL_CHROMA 64
#define FF_BUG_STD_QPEL 128
#define FF_BUG_QPEL_CHROMA2 256
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index d9517b4..f80b622 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -122,7 +122,9 @@ static const AVOption avcodec_options[] = {
{"ump4", "(autodetected if FOURCC == UMP4)", 0, AV_OPT_TYPE_CONST, {.i64 =
FF_BUG_UMP4 }, INT_MIN, INT_MAX, V|D, "bug"},
{"no_padding", "padding bug (autodetected)", 0, AV_OPT_TYPE_CONST, {.i64 =
FF_BUG_NO_PADDING }, INT_MIN, INT_MAX, V|D, "bug"},
{"amv", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_AMV }, INT_MIN, INT_MAX,
V|D, "bug"},
+#if FF_API_AC_VLC
{"ac_vlc", "illegal VLC bug (autodetected per FOURCC)", 0, AV_OPT_TYPE_CONST,
{.i64 = FF_BUG_AC_VLC }, INT_MIN, INT_MAX, V|D, "bug"},
+#endif
{"qpel_chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_QPEL_CHROMA },
INT_MIN, INT_MAX, V|D, "bug"},
{"std_qpel", "old standard qpel (autodetected per FOURCC/version)", 0,
AV_OPT_TYPE_CONST, {.i64 = FF_BUG_STD_QPEL }, INT_MIN, INT_MAX, V|D, "bug"},
{"qpel_chroma2", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_QPEL_CHROMA2 },
INT_MIN, INT_MAX, V|D, "bug"},
diff --git a/libavcodec/version.h b/libavcodec/version.h
index af022d9..28193ac 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -79,5 +79,8 @@
#ifndef FF_API_DEBUG_MV
#define FF_API_DEBUG_MV (LIBAVCODEC_VERSION_MAJOR < 56)
#endif
+#ifndef FF_API_AC_VLC
+#define FF_API_AC_VLC (LIBAVCODEC_VERSION_MAJOR < 56)
+#endif
#endif /* AVCODEC_VERSION_H */
--
1.7.10.4
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