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Merge pull request #339 from 94xhn/fix/yuv420-chroma-scanline-timing

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cpu encoder: fix chroma row advance timing in YUV420/YVU420 planar path
This commit is contained in:
Maxim Devaev
2026-07-18 20:47:19 +03:00
committed by GitHub
parent db96c0699d 5a189866b7
commit 604d6613c5
1 changed files with 5 additions and 5 deletions
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10
src/ustreamer/encoders/cpu/encoder.c
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@@ -223,6 +223,11 @@ static void _jpeg_write_scanlines_yuv_planar(struct jpeg_compress_struct *jpeg,
const u8 *chroma2_data = frame->data + luma_array_size + chroma_array_size; const u8 *chroma2_data = frame->data + luma_array_size + chroma_array_size;
while (jpeg->next_scanline < frame->height) { while (jpeg->next_scanline < frame->height) {
if (jpeg->next_scanline > 0 && jpeg->next_scanline % 2 == 0) {
chroma1_data += (frame->width + padding) >> 1;
chroma2_data += (frame->width + padding) >> 1;
}
u8 *ptr = line_buf; u8 *ptr = line_buf;
for (uint x = 0; x < frame->width; ++x) { for (uint x = 0; x < frame->width; ++x) {
@@ -253,11 +258,6 @@ static void _jpeg_write_scanlines_yuv_planar(struct jpeg_compress_struct *jpeg,
data += frame->width + padding; data += frame->width + padding;
if (jpeg->next_scanline > 0 && jpeg->next_scanline % 2 == 0) {
chroma1_data += (frame->width + padding) >> 1;
chroma2_data += (frame->width + padding) >> 1;
}
JSAMPROW scanlines[1] = {line_buf}; JSAMPROW scanlines[1] = {line_buf};
jpeg_write_scanlines(jpeg, scanlines, 1); jpeg_write_scanlines(jpeg, scanlines, 1);
} }