X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=v4l2proxy.cpp;h=4e0b36b3d1b40da41fbe07d10afc3abb67613ce1;hb=7d282bf25e6b11c1e594164cdccb56460a34b42d;hp=3cb3bc0af137c197aee90bfd473f830e03c338aa;hpb=09d972e62555fa07fe6bc31cd81da272a2e152e3;p=bmusb

diff --git a/v4l2proxy.cpp b/v4l2proxy.cpp
index 3cb3bc0..4e0b36b 100644
--- a/v4l2proxy.cpp
+++ b/v4l2proxy.cpp
@@ -69,7 +69,7 @@ void frame_callback(uint16_t timecode,
 		uint8_t *origptr = video_frame.data + video_offset + video_format.extra_lines_top * video_format.stride;
 #if __SSE2__
 		__m128i *ptr = (__m128i *)origptr;
-		for (unsigned i = 0; i < video_format.width * video_format.height / 8; ++i) {
+		for (unsigned i = 0; i < video_format.stride * video_format.height / 16; ++i) {
 			__m128i val = _mm_loadu_si128(ptr);
 			val = _mm_slli_epi16(val, 8) | _mm_srli_epi16(val, 8);
 			_mm_storeu_si128(ptr, val);
@@ -77,7 +77,7 @@ void frame_callback(uint16_t timecode,
 		}
 #else
 		uint8_t *ptr = origptr;
-		for (unsigned i = 0; i < video_format.width * video_format.height; ++i) {
+		for (unsigned i = 0; i < video_format.stride * video_format.height / 4; ++i) {
 			swap(ptr[0], ptr[1]);
 			swap(ptr[2], ptr[3]);
 			ptr += 4;