diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-dec23.c')
-rw-r--r-- | drivers/media/video/pwc/pwc-dec23.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/media/video/pwc/pwc-dec23.c b/drivers/media/video/pwc/pwc-dec23.c index e531f85460c1..2c6709112b2f 100644 --- a/drivers/media/video/pwc/pwc-dec23.c +++ b/drivers/media/video/pwc/pwc-dec23.c @@ -656,10 +656,6 @@ static void DecompressBand23(struct pwc_dec23_private *pdec, * * Uncompress a pwc23 buffer. * - * pwc.view: size of the image wanted - * pwc.image: size of the image returned by the camera - * pwc.offset: (x,y) to displayer image in the view - * * src: raw data * dst: image output */ @@ -667,7 +663,7 @@ void pwc_dec23_decompress(const struct pwc_device *pwc, const void *src, void *dst) { - int bandlines_left, stride, bytes_per_block; + int bandlines_left, bytes_per_block; struct pwc_dec23_private *pdec = pwc->decompress_data; /* YUV420P image format */ @@ -678,28 +674,23 @@ void pwc_dec23_decompress(const struct pwc_device *pwc, mutex_lock(&pdec->lock); - bandlines_left = pwc->image.y / 4; - bytes_per_block = pwc->view.x * 4; - plane_size = pwc->view.x * pwc->view.y; - - /* offset in Y plane */ - stride = pwc->view.x * pwc->offset.y; - pout_planar_y = dst + stride + pwc->offset.x; + bandlines_left = pwc->height / 4; + bytes_per_block = pwc->width * 4; + plane_size = pwc->height * pwc->width; - /* offsets in U/V planes */ - stride = (pwc->view.x * pwc->offset.y) / 4 + pwc->offset.x / 2; - pout_planar_u = dst + plane_size + stride; - pout_planar_v = dst + plane_size + plane_size / 4 + stride; + pout_planar_y = dst; + pout_planar_u = dst + plane_size; + pout_planar_v = dst + plane_size + plane_size / 4; while (bandlines_left--) { DecompressBand23(pwc->decompress_data, src, pout_planar_y, pout_planar_u, pout_planar_v, - pwc->image.x, pwc->view.x); + pwc->width, pwc->width); src += pwc->vbandlength; pout_planar_y += bytes_per_block; - pout_planar_u += pwc->view.x; - pout_planar_v += pwc->view.x; + pout_planar_u += pwc->width; + pout_planar_v += pwc->width; } mutex_unlock(&pdec->lock); } |