From: Michael Niedermayer <michael@niedermayer.cc> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Subject: [FFmpeg-devel] [PATCH 1/4] avcodec/magicyuv: Use a compile time constant for vlc_bits Date: Tue, 24 Oct 2023 17:04:40 +0200 Message-ID: <20231024150443.7438-1-michael@niedermayer.cc> (raw) This will permit further optimizations Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/magicyuv.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c index 4a143cdbbf7..78d7f44cd65 100644 --- a/libavcodec/magicyuv.c +++ b/libavcodec/magicyuv.c @@ -124,13 +124,13 @@ static void magicyuv_median_pred16(uint16_t *dst, const uint16_t *src1, x = 0; \ for (; x < width-c && get_bits_left(&gb) > 0;) {\ ret = get_vlc_multi(&gb, (uint8_t *)dst + x * b, multi, \ - vlc, vlc_bits, 3); \ + vlc, VLC_BITS, 3); \ if (ret <= 0) \ return AVERROR_INVALIDDATA; \ x += ret; \ } \ for (; x < width && get_bits_left(&gb) > 0; x++) \ - dst[x] = get_vlc2(&gb, vlc, vlc_bits, 3); \ + dst[x] = get_vlc2(&gb, vlc, VLC_BITS, 3); \ dst += stride; \ } @@ -155,7 +155,6 @@ static int magy_decode_slice10(AVCodecContext *avctx, void *tdata, ptrdiff_t stride = p->linesize[i] / 2; const VLC_MULTI_ELEM *const multi = s->multi[i].table; const VLCElem *const vlc = s->vlc[i].table; - const int vlc_bits = s->vlc[i].bits; int flags, pred; int ret = init_get_bits8(&gb, s->buf + s->slices[i][j].start, s->slices[i][j].size); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next reply other threads:[~2023-10-24 15:04 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-24 15:04 Michael Niedermayer [this message] 2023-10-24 15:04 ` [FFmpeg-devel] [PATCH 2/4] avcodec/get_bits: Avoid 2nd bitstream read in GET_VLC() if bits are known at build and small Michael Niedermayer 2023-10-27 3:10 ` Andreas Rheinhardt 2023-10-27 18:38 ` Michael Niedermayer 2023-10-30 20:49 ` Andreas Rheinhardt 2023-10-31 0:25 ` Michael Niedermayer 2023-10-24 15:04 ` [FFmpeg-devel] [PATCH 3/4] avcodec/get_bits: Implement get_vlc_multi() Michael Niedermayer 2023-10-24 15:04 ` [FFmpeg-devel] [PATCH 4/4] avcodec/magicyuv: Set UNCHECKED_BITSTREAM_READER Michael Niedermayer 2023-10-26 21:37 ` [FFmpeg-devel] [PATCH 1/4] avcodec/magicyuv: Use a compile time constant for vlc_bits Andreas Rheinhardt
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