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avcodec/libsvtjpegxsdec: Replace divisions by shifts

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Based on a patch by Andreas Rheinhardt

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-12-14 18:07:53 -03:00
parent c639ea5eeb
commit 695b717944
1 changed files with 2 additions and 4 deletions
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libavcodec/libsvtjpegxsdec.c
+2 -4
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@@ -102,7 +102,6 @@ static int svt_jpegxs_dec_decode(AVCodecContext* avctx, AVFrame* picture, int* g
int ret;
svt_jpeg_xs_frame_t dec_input;
svt_jpeg_xs_frame_t dec_output;
uint32_t pixel_size;
if (!svt_dec->decoder_initialized) {
err = svt_jpeg_xs_decoder_get_single_frame_size_with_proxy(
@@ -179,11 +178,10 @@ static int svt_jpegxs_dec_decode(AVCodecContext* avctx, AVFrame* picture, int* g
if (ret < 0)
return ret;
pixel_size = svt_dec->config.bit_depth <= 8 ? 1 : 2;
unsigned pixel_shift = svt_dec->config.bit_depth <= 8 ? 0 : 1;
for (int comp = 0; comp < svt_dec->config.components_num; comp++) {
dec_input.image.data_yuv[comp] = picture->data[comp];
dec_input.image.stride[comp] = picture->linesize[comp]/pixel_size;
dec_input.image.stride[comp] = picture->linesize[comp] >> pixel_shift;
dec_input.image.alloc_size[comp] = picture->linesize[comp] * svt_dec->config.components[comp].height;
}