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Code Issues Releases Activity

avcodec/cbs: Use put_bits63()

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It is better when BUF_BITS == 64 (i.e. on x64), because
the underlying put_bits can then handle 0..63 bits naturally.
It does not worsen the code when BUF_BITS != 64, because
the compiler can optimize this to the same code as now
(due to the assert).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-04-18 13:02:47 +02:00
parent a2acb46a6e
commit 6676038b23
1 changed files with 2 additions and 8 deletions
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10
libavcodec/cbs.c
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@ -674,10 +674,7 @@ int CBS_FUNC(write_unsigned)(CodedBitstreamContext *ctx, PutBitContext *pbc,
if (put_bits_left(pbc) < width) if (put_bits_left(pbc) < width)
return AVERROR(ENOSPC); return AVERROR(ENOSPC);
if (width < 32) put_bits63(pbc, width, value);
put_bits(pbc, width, value);
else
put_bits32(pbc, value);
CBS_TRACE_WRITE_END(); CBS_TRACE_WRITE_END();
@ -746,10 +743,7 @@ int CBS_FUNC(write_signed)(CodedBitstreamContext *ctx, PutBitContext *pbc,
if (put_bits_left(pbc) < width) if (put_bits_left(pbc) < width)
return AVERROR(ENOSPC); return AVERROR(ENOSPC);
if (width < 32) put_bits63(pbc, width, zero_extend(value, width));
put_sbits(pbc, width, value);
else
put_bits32(pbc, value);
CBS_TRACE_WRITE_END(); CBS_TRACE_WRITE_END();