This also allows the compiler to optimize the implicit
checks performed by the PutBit-API away (Clang does so).
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/wmv2enc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavcodec/wmv2enc.c b/libavcodec/wmv2enc.c
index 8a6d897468..d2f8afc892 100644
--- a/libavcodec/wmv2enc.c
+++ b/libavcodec/wmv2enc.c
@@ -29,6 +29,8 @@
#include "wmv2.h"
#include "wmv2enc.h"
+#define WMV2_EXTRADATA_SIZE 4
+
typedef struct WMV2EncContext {
MSMPEG4EncContext msmpeg4;
WMV2Context common;
@@ -49,7 +51,7 @@ static int encode_ext_header(WMV2EncContext *w)
PutBitContext pb;
int code;
- init_put_bits(&pb, s->avctx->extradata, s->avctx->extradata_size);
+ init_put_bits(&pb, s->avctx->extradata, WMV2_EXTRADATA_SIZE);
put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num); //
yes 29.97 -> 29
put_bits(&pb, 11, FFMIN(s->bit_rate / 1024, 2047));
@@ -80,7 +82,7 @@ static av_cold int wmv2_encode_init(AVCodecContext *avctx)
ff_wmv2_common_init(s);
- avctx->extradata_size = 4;
+ avctx->extradata_size = WMV2_EXTRADATA_SIZE;
avctx->extradata = av_mallocz(avctx->extradata_size +
AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
--
2.34.1
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