v4l bytes_per_line_data: round the size up to the next byte

dkogan · web-flow · commit 5d5bbe261e9b · 2026-04-29T21:43:04.000+02:00
diff --git a/src/arvv4l2stream.c b/src/arvv4l2stream.c
@@ -361,7 +361,8 @@ arv_v4l2_stream_start_acquisition (ArvStream *stream, GError **error)
                 return FALSE;
         }
 
-        bytes_per_line_data = thread_data->image_width * bit_per_pixel / 8;
+        // round each line up to the next byte
+        bytes_per_line_data = (thread_data->image_width * bit_per_pixel + 7) / 8;
         if (bytes_per_line < bytes_per_line_data) {
                 g_set_error (error, ARV_DEVICE_ERROR, ARV_DEVICE_ERROR_PROTOCOL_ERROR,
                              "Invalid v4l2 pixel format");

Original file line number	Diff line number	Diff line change
`@@ -361,7 +361,8 @@ arv_v4l2_stream_start_acquisition (ArvStream stream, GError *error)`
`361`	`361`	`return FALSE;`
`362`	`362`	`}`
`363`	`363`
`364`		`- bytes_per_line_data = thread_data->image_width * bit_per_pixel / 8;`
	`364`	`+ // round each line up to the next byte`
	`365`	`+ bytes_per_line_data = (thread_data->image_width * bit_per_pixel + 7) / 8;`
`365`	`366`	`if (bytes_per_line < bytes_per_line_data) {`
`366`	`367`	`g_set_error (error, ARV_DEVICE_ERROR, ARV_DEVICE_ERROR_PROTOCOL_ERROR,`
`367`	`368`	`"Invalid v4l2 pixel format");`