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| author | Lynne <dev@lynne.ee> | 2021-02-26 05:40:07 +0100 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2021-02-26 05:42:24 +0100 |
| commit | 10341743d2a91602321e2ece8c4dd88cd8073f8d (patch) | |
| tree | 645a01162e118002bd5a0a6955819ec85c5eff9c /libavutil | |
| parent | e937457b7b63e3b2647ec60b794d1fafcf1e79b9 (diff) | |
| download | ffmpeg-10341743d2a91602321e2ece8c4dd88cd8073f8d.tar.gz | |
lavu/tx: require output argument to match input for inplace transforms
This simplifies some assembly code by a lot, by either saving a branch
or saving an entire duplicated function.
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/tx.h | 4 | ||||
| -rw-r--r-- | libavutil/tx_template.c | 1 |
2 files changed, 2 insertions, 3 deletions
diff --git a/libavutil/tx.h b/libavutil/tx.h index 983b5e9307..bfc0c7f2a3 100644 --- a/libavutil/tx.h +++ b/libavutil/tx.h @@ -103,8 +103,8 @@ typedef void (*av_tx_fn)(AVTXContext *s, void *out, void *in, ptrdiff_t stride); */ enum AVTXFlags { /** - * Performs an in-place transformation on the input. The output parameter - * to av_tn_fn() will be ignored. May be unsupported or slower for some + * Performs an in-place transformation on the input. The output argument + * of av_tn_fn() MUST match the input. May be unsupported or slower for some * transform types. */ AV_TX_INPLACE = 1ULL << 0, diff --git a/libavutil/tx_template.c b/libavutil/tx_template.c index f43173e920..711013c352 100644 --- a/libavutil/tx_template.c +++ b/libavutil/tx_template.c @@ -397,7 +397,6 @@ static void monolithic_fft(AVTXContext *s, void *_out, void *_in, FFTComplex tmp; int src, dst, *inplace_idx = s->inplace_idx; - out = in; src = *inplace_idx++; do { |