diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/faandct.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/faandct.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/src/libffmpeg/libavcodec/faandct.c b/src/libffmpeg/libavcodec/faandct.c index 0462cee61..cd7ef7c6b 100644 --- a/src/libffmpeg/libavcodec/faandct.c +++ b/src/libffmpeg/libavcodec/faandct.c @@ -14,14 +14,14 @@ * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * this implementation is based upon the IJG integer AAN DCT (see jfdctfst.c) */ /** * @file faandct.c - * @brief + * @brief * Floating point AAN DCT * @author Michael Niedermayer <michaelni@gmx.at> */ @@ -84,19 +84,19 @@ static always_inline void row_fdct(FLOAT temp[64], DCTELEM * data) tmp5= data[2 + i] - data[5 + i]; tmp3= data[3 + i] + data[4 + i]; tmp4= data[3 + i] - data[4 + i]; - + tmp10= tmp0 + tmp3; tmp13= tmp0 - tmp3; tmp11= tmp1 + tmp2; tmp12= tmp1 - tmp2; - + temp[0 + i]= tmp10 + tmp11; temp[4 + i]= tmp10 - tmp11; - + z1= (tmp12 + tmp13)*A1; temp[2 + i]= tmp13 + z1; temp[6 + i]= tmp13 - z1; - + tmp10= tmp4 + tmp5; tmp11= tmp5 + tmp6; tmp12= tmp6 + tmp7; @@ -113,7 +113,7 @@ static always_inline void row_fdct(FLOAT temp[64], DCTELEM * data) temp[3 + i]= z13 - z2; temp[1 + i]= z11 + z4; temp[7 + i]= z11 - z4; - } + } } void ff_faandct(DCTELEM * data) @@ -137,19 +137,19 @@ void ff_faandct(DCTELEM * data) tmp5= temp[8*2 + i] - temp[8*5 + i]; tmp3= temp[8*3 + i] + temp[8*4 + i]; tmp4= temp[8*3 + i] - temp[8*4 + i]; - + tmp10= tmp0 + tmp3; tmp13= tmp0 - tmp3; tmp11= tmp1 + tmp2; tmp12= tmp1 - tmp2; - + data[8*0 + i]= lrintf(SCALE(8*0 + i) * (tmp10 + tmp11)); data[8*4 + i]= lrintf(SCALE(8*4 + i) * (tmp10 - tmp11)); - + z1= (tmp12 + tmp13)* A1; data[8*2 + i]= lrintf(SCALE(8*2 + i) * (tmp13 + z1)); data[8*6 + i]= lrintf(SCALE(8*6 + i) * (tmp13 - z1)); - + tmp10= tmp4 + tmp5; tmp11= tmp5 + tmp6; tmp12= tmp6 + tmp7; @@ -190,29 +190,29 @@ void ff_faandct248(DCTELEM * data) tmp5 = temp[8*2 + i] - temp[8*3 + i]; tmp6 = temp[8*4 + i] - temp[8*5 + i]; tmp7 = temp[8*6 + i] - temp[8*7 + i]; - + tmp10 = tmp0 + tmp3; tmp11 = tmp1 + tmp2; tmp12 = tmp1 - tmp2; tmp13 = tmp0 - tmp3; - + data[8*0 + i] = lrintf(SCALE(8*0 + i) * (tmp10 + tmp11)); data[8*4 + i] = lrintf(SCALE(8*4 + i) * (tmp10 - tmp11)); - + z1 = (tmp12 + tmp13)* A1; data[8*2 + i] = lrintf(SCALE(8*2 + i) * (tmp13 + z1)); data[8*6 + i] = lrintf(SCALE(8*6 + i) * (tmp13 - z1)); - + tmp10 = tmp4 + tmp7; - tmp11 = tmp5 + tmp6; - tmp12 = tmp5 - tmp6; - tmp13 = tmp4 - tmp7; + tmp11 = tmp5 + tmp6; + tmp12 = tmp5 - tmp6; + tmp13 = tmp4 - tmp7; - data[8*1 + i] = lrintf(SCALE(8*0 + i) * (tmp10 + tmp11)); - data[8*5 + i] = lrintf(SCALE(8*4 + i) * (tmp10 - tmp11)); + data[8*1 + i] = lrintf(SCALE(8*0 + i) * (tmp10 + tmp11)); + data[8*5 + i] = lrintf(SCALE(8*4 + i) * (tmp10 - tmp11)); - z1 = (tmp12 + tmp13)* A1; - data[8*3 + i] = lrintf(SCALE(8*2 + i) * (tmp13 + z1)); - data[8*7 + i] = lrintf(SCALE(8*6 + i) * (tmp13 - z1)); + z1 = (tmp12 + tmp13)* A1; + data[8*3 + i] = lrintf(SCALE(8*2 + i) * (tmp13 + z1)); + data[8*7 + i] = lrintf(SCALE(8*6 + i) * (tmp13 - z1)); } } |