generic-library/opencv
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fixed warnings; transpose qtab to make it compatible with neon branch

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This commit is contained in:
Vadim Pisarevsky 2015-03-26 15:59:49 +03:00
parent 3df6b6fdcf
commit 8d1232cc7a
2 changed files with 19 additions and 17 deletions
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2
modules/videoio/src/cap_mjpeg_decoder.cpp
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@ -44,7 +44,7 @@
namespace cv
{
Ptr<IVideoCapture> createMotionJpegCapture(const String& filename)
Ptr<IVideoCapture> createMotionJpegCapture(const String&)
{
return Ptr<IVideoCapture>();
}

34
modules/videoio/src/cap_mjpeg_encoder.cpp
View File

@ -216,8 +216,8 @@ public:
}
else
{
size_t fpos = ftell(m_f);
fseek(m_f, pos, SEEK_SET);
long fpos = ftell(m_f);
fseek(m_f, (long)pos, SEEK_SET);
uchar buf[] = { (uchar)val, (uchar)(val >> 8), (uchar)(val >> 16), (uchar)(val >> 24) };
fwrite(buf, 1, 4, m_f);
fseek(m_f, fpos, SEEK_SET);
@ -390,6 +390,7 @@ public:
startWriteAVI();
writeStreamHeader();
}
//printf("motion jpeg stream %s has been successfully opened\n", filename.c_str());
return true;
}
@ -966,7 +967,7 @@ vst1q_s16((addr), reg);
static void aan_fdct8x8( const short *src, short *dst,
int step, const short *postscale )
{
short workspace[64], *work = workspace;
int workspace[64], *work = workspace;
int i;
// Pass 1: process rows
@ -1017,7 +1018,7 @@ static void aan_fdct8x8( const short *src, short *dst,
work = workspace;
// pass 2: process columns
for( i = 8; i > 0; i--, work++, postscale ++, dst += 8 )
for( i = 8; i > 0; i--, work++, postscale += 8, dst += 8 )
{
int x0 = work[8*0], x1 = work[8*7];
int x2 = work[8*3], x3 = work[8*4];
@ -1038,14 +1039,14 @@ static void aan_fdct8x8( const short *src, short *dst,
x3 = x0 + x1; x0 -= x1;
x1 = x2 + x3; x2 -= x3;
dst[0] = DCT_DESCALE(x1*postscale[0*8], postshift);
dst[4] = DCT_DESCALE(x2*postscale[4*8], postshift);
dst[0] = (short)DCT_DESCALE(x1*postscale[0], postshift);
dst[4] = (short)DCT_DESCALE(x2*postscale[4], postshift);
x0 = DCT_DESCALE((x0 - x4)*C0_707, fixb);
x1 = x4 + x0; x4 -= x0;
dst[2] = DCT_DESCALE(x4*postscale[2*8], postshift);
dst[6] = DCT_DESCALE(x1*postscale[6*8], postshift);
dst[2] = (short)DCT_DESCALE(x4*postscale[2], postshift);
dst[6] = (short)DCT_DESCALE(x1*postscale[6], postshift);
x0 = work[8*0]; x1 = work[8*3];
x2 = work[8*4]; x3 = work[8*7];
@ -1061,10 +1062,10 @@ static void aan_fdct8x8( const short *src, short *dst,
x1 = x0 + x3; x3 -= x0;
x0 = x4 + x2; x4 -= x2;
dst[5] = DCT_DESCALE(x1*postscale[5*8], postshift);
dst[1] = DCT_DESCALE(x0*postscale[1*8], postshift);
dst[7] = DCT_DESCALE(x4*postscale[7*8], postshift);
dst[3] = DCT_DESCALE(x3*postscale[3*8], postshift);
dst[5] = (short)DCT_DESCALE(x1*postscale[5], postshift);
dst[1] = (short)DCT_DESCALE(x0*postscale[1], postshift);
dst[7] = (short)DCT_DESCALE(x4*postscale[7], postshift);
dst[3] = (short)DCT_DESCALE(x3*postscale[3], postshift);
}
}
#endif
@ -1079,8 +1080,9 @@ void MotionJpegWriter::writeFrameData( const uchar* data, int step, int colorspa
{
for( int i = -CAT_TAB_SIZE; i <= CAT_TAB_SIZE; i++ )
{
float a = (float)i;
cat_table[i+CAT_TAB_SIZE] = (((int&)a >> 23) & 255) - (126 & (i ? -1 : 0));
Cv32suf a;
a.f = (float)i;
cat_table[i+CAT_TAB_SIZE] = ((a.i >> 23) & 255) - (126 & (i ? -1 : 0));
}
init_cat_table = true;
}
@ -1142,8 +1144,8 @@ void MotionJpegWriter::writeFrameData( const uchar* data, int step, int colorspa
qval = 1;
if( qval > 255 )
qval = 255;
fdct_qtab[i][(idx/8) + (idx%8)*8] = (cvRound((1 << (postshift + 11)))/
(qval*chroma_scale*idct_prescale[idx]));
fdct_qtab[i][idx] = (short)(cvRound((1 << (postshift + 11)))/
(qval*chroma_scale*idct_prescale[idx]));
strm.putByte( qval );
}
}