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avcodec/mpeg4video: Move IS_3IV1 macro to mpeg4videodec.c

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Also add parentheses around the replacement to make it safer.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-03-03 01:12:02 +01:00
parent 5df8c86b24
commit 70359de69f
2 changed files with 6 additions and 6 deletions
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6
libavcodec/mpeg4video.h
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@ -36,12 +36,6 @@ void ff_mpeg4_init_direct_mv(MpegEncContext *s);
*/
int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
#if 0 //3IV1 is quite rare and it slows things down a tiny bit
#define IS_3IV1 s->codec_tag == AV_RL32("3IV1")
#else
#define IS_3IV1 0
#endif
/**
* Predict the dc.
* @param n block index (0-3 are luma, 4-5 are chroma)

6
libavcodec/mpeg4videodec.c
View File

@ -49,6 +49,12 @@
#include "xvididct.h"
#include "unary.h"
#if 0 //3IV1 is quite rare and it slows things down a tiny bit
#define IS_3IV1 (s->codec_tag == AV_RL32("3IV1"))
#else
#define IS_3IV1 0
#endif
/* The defines below define the number of bits that are read at once for
* reading vlc values. Changing these may improve speed and data cache needs
* be aware though that decreasing them may need the number of stages that is