github-mirrors/FFmpeg
1
0
Fork 0
mirror of https://mirror.skon.top/https://github.com/FFmpeg/FFmpeg synced 2026-04-30 22:00:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

avcodec/libsvtjpegxsenc: Replace divisions by shifts

Browse Source 
Also simplify setting alloc_size.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-12-14 17:06:07 +01:00
parent 7efd09813f
commit 6f9849cbe5
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/libsvtjpegxsenc.c
View File

@@ -61,7 +61,6 @@ static int svt_jpegxs_enc_encode(AVCodecContext* avctx, AVPacket* pkt,
svt_jpeg_xs_frame_t enc_output;
SvtJxsErrorType_t err = SvtJxsErrorNone;
uint32_t pixel_size = svt_enc->encoder.input_bit_depth <= 8 ? 1 : 2;
int ret = ff_get_encode_buffer(avctx, pkt, svt_enc->bitstream_frame_size, 0);
if (ret < 0)
@@ -71,11 +70,12 @@ static int svt_jpegxs_enc_encode(AVCodecContext* avctx, AVPacket* pkt,
out_buf->allocation_size = pkt->size;// output bitstream size
out_buf->used_size = 0;
unsigned pixel_shift = svt_enc->encoder.input_bit_depth <= 8 ? 0 : 1;
for (int comp = 0; comp < 3; comp++) {
// svt-jpegxs require stride in pixel's not in bytes, this means that for 10 bit-depth, stride is half the linesize
in_buf->stride[comp] = frame->linesize[comp] / pixel_size;
in_buf->stride[comp] = frame->linesize[comp] >> pixel_shift;
in_buf->data_yuv[comp] = frame->data[comp];
in_buf->alloc_size[comp] = in_buf->stride[comp] * svt_enc->encoder.source_height * pixel_size;
in_buf->alloc_size[comp] = frame->linesize[comp] * svt_enc->encoder.source_height;
}
enc_input.user_prv_ctx_ptr = pkt;