[FFmpeg-devel] [PATCH 4/5] avcodec/utvideodec: bswap directly without memcpy

[Michael Niedermayer]

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/utvideodec.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index 1418cde543..788f4475b9 100644
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -188,11 +188,9 @@ static int decode_plane10(UtvideoContext *c, int plane_no,
             goto fail;
         }
 
-        memcpy(c->slice_bits, src + slice_data_start + c->slices * 4,
-               slice_size);
         memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         c->bdsp.bswap_buf((uint32_t *) c->slice_bits,
-                          (uint32_t *) c->slice_bits,
+                          src + slice_data_start + c->slices * 4,
                           (slice_data_end - slice_data_start + 3) >> 2);
         init_get_bits(&gb, c->slice_bits, slice_size * 8);
 
@@ -294,11 +292,9 @@ static int decode_plane(UtvideoContext *c, int plane_no,
             goto fail;
         }
 
-        memcpy(c->slice_bits, src + slice_data_start + c->slices * 4,
-               slice_size);
         memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
         c->bdsp.bswap_buf((uint32_t *) c->slice_bits,
-                          (uint32_t *) c->slice_bits,
+                          src + slice_data_start + c->slices * 4,
                           (slice_data_end - slice_data_start + 3) >> 2);
         init_get_bits(&gb, c->slice_bits, slice_size * 8);
 
-- 
2.13.0