From 5eb4701b7d6428ceae7624051dce88e17723ac8a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 27 Jun 2017 21:47:34 +0200 Subject: [PATCH] avcodec/utvideodec: bswap directly without memcpy Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavcodec/utvideodec.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index 96a032bda5..22da8cda1c 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -187,11 +187,9 @@ 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, + (uint32_t *)(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); @@ -293,11 +291,9 @@ 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, + (uint32_t *)(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);