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path: root/contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c
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Diffstat (limited to 'contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c')
-rw-r--r--contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c b/contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c
index 7536100ee..18329ddf6 100644
--- a/contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c
+++ b/contrib/ffmpeg/libavcodec/armv4l/dsputil_iwmmxt.c
@@ -19,7 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "../dsputil.h"
+#include "dsputil.h"
#define DEF(x, y) x ## _no_rnd_ ## y ##_iwmmxt
#define SET_RND(regd) __asm__ __volatile__ ("mov r12, #1 \n\t tbcsth " #regd ", r12":::"r12");
@@ -123,6 +123,25 @@ void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_s
: "cc", "memory", "r12");
}
+static void clear_blocks_iwmmxt(DCTELEM *blocks)
+{
+ asm volatile(
+ "wzero wr0 \n\t"
+ "mov r1, #(128 * 6 / 32) \n\t"
+ "1: \n\t"
+ "wstrd wr0, [%0] \n\t"
+ "wstrd wr0, [%0, #8] \n\t"
+ "wstrd wr0, [%0, #16] \n\t"
+ "wstrd wr0, [%0, #24] \n\t"
+ "subs r1, r1, #1 \n\t"
+ "add %0, %0, #32 \n\t"
+ "bne 1b \n\t"
+ : "+r"(blocks)
+ :
+ : "r1"
+ );
+}
+
static void nop(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
return;
@@ -146,6 +165,8 @@ void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx)
c->add_pixels_clamped = add_pixels_clamped_iwmmxt;
+ c->clear_blocks = clear_blocks_iwmmxt;
+
c->put_pixels_tab[0][0] = put_pixels16_iwmmxt;
c->put_pixels_tab[0][1] = put_pixels16_x2_iwmmxt;
c->put_pixels_tab[0][2] = put_pixels16_y2_iwmmxt;