From 7ff037e9ca9949ec17e9fdf389523e37ad7592d9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 9 Mar 2002 14:22:21 +0000 Subject: [PATCH] q-pel mc fixed Originally committed as revision 321 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/dsputil.c | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index aa01883..0e698f3 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -15,6 +15,8 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * gmc & q-pel support by Michael Niedermayer */ #include #include @@ -469,7 +471,7 @@ static inline void avg4_block(UINT8 *dst, UINT8 *src1, UINT8 *src2, UINT8 *src3, dst+=dstStride; src1+=srcStride; src2+=8; - src3+=9; + src3+=8; src4+=8; } } @@ -520,42 +522,42 @@ static void qpel_mc03_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcS static void qpel_mc11_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ UINT8 halfH[72];\ - UINT8 halfV[72];\ + UINT8 halfV[64];\ UINT8 halfHV[64];\ qpel_h_lowpass(halfH, src, 8, srcStride, 9, 128-r);\ - qpel_v_lowpass(halfV, src, 9, srcStride, 9, 128-r);\ + qpel_v_lowpass(halfV, src, 8, srcStride, 8, 128-r);\ qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 128-r);\ avg4_block(dst, src, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\ }\ static void qpel_mc31_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ UINT8 halfH[72];\ - UINT8 halfV[72];\ + UINT8 halfV[64];\ UINT8 halfHV[64];\ qpel_h_lowpass(halfH, src, 8, srcStride, 9, 128-r);\ - qpel_v_lowpass(halfV, src, 9, srcStride, 9, 128-r);\ + qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 128-r);\ qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 128-r);\ avg4_block(dst, src+1, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\ }\ static void qpel_mc13_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ UINT8 halfH[72];\ - UINT8 halfV[72];\ + UINT8 halfV[64];\ UINT8 halfHV[64];\ qpel_h_lowpass(halfH, src, 8, srcStride, 9, 128-r);\ - qpel_v_lowpass(halfV, src, 9, srcStride, 9, 128-r);\ + qpel_v_lowpass(halfV, src, 8, srcStride, 8, 128-r);\ qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 128-r);\ - avg4_block(dst, src+srcStride, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\ + avg4_block(dst, src+srcStride, halfH+8, halfV, halfHV, dstStride, srcStride, 2-r);\ }\ static void qpel_mc33_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ UINT8 halfH[72];\ - UINT8 halfV[72];\ + UINT8 halfV[64];\ UINT8 halfHV[64];\ qpel_h_lowpass(halfH, src, 8, srcStride, 9, 128-r);\ - qpel_v_lowpass(halfV, src, 9, srcStride, 9, 128-r);\ + qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 128-r);\ qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 128-r);\ - avg4_block(dst, src+srcStride+1, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\ + avg4_block(dst, src+srcStride+1, halfH+8, halfV, halfHV, dstStride, srcStride, 2-r);\ }\ static void qpel_mc21_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ @@ -576,22 +578,22 @@ static void qpel_mc23_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcS static void qpel_mc12_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ UINT8 halfH[72];\ - UINT8 halfV[72];\ + UINT8 halfV[64];\ UINT8 halfHV[64];\ qpel_h_lowpass(halfH, src, 8, srcStride, 9, 128-r);\ - qpel_v_lowpass(halfV, src, 9, srcStride, 9, 128-r);\ + qpel_v_lowpass(halfV, src, 8, srcStride, 8, 128-r);\ qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 128-r);\ - avg2_block(dst, halfV, halfHV, dstStride, 9, 1-r);\ + avg2_block(dst, halfV, halfHV, dstStride, 8, 1-r);\ }\ static void qpel_mc32_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ UINT8 halfH[72];\ - UINT8 halfV[72];\ + UINT8 halfV[64];\ UINT8 halfHV[64];\ qpel_h_lowpass(halfH, src, 8, srcStride, 9, 128-r);\ - qpel_v_lowpass(halfV, src, 9, srcStride, 9, 128-r);\ + qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 128-r);\ qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 128-r);\ - avg2_block(dst, halfV+1, halfHV, dstStride, 9, 1-r);\ + avg2_block(dst, halfV, halfHV, dstStride, 8, 1-r);\ }\ static void qpel_mc22_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\ {\ -- 2.7.4