*
* 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
*
*/
-
+
/**
* @file indeo2.c
* Intel Indeo 2 decoder.
int out = 0;
int c;
int t;
-
+
if(width&1)
return -1;
}
}
dst += stride;
-
+
for (j = 1; j < height; j++){
out = 0;
while (out < width){
c -= 0x7F;
out += c * 2;
} else { /* add two deltas from table */
- t = dst[out] + (table[c * 2] - 128);
+ t = dst[out] + (((table[c * 2] - 128)*3) >> 2);
t= clip_uint8(t);
dst[out] = t;
out++;
- t = dst[out] + (table[(c * 2) + 1] - 128);
+ t = dst[out] + (((table[(c * 2) + 1] - 128)*3) >> 2);
t= clip_uint8(t);
dst[out] = t;
out++;
return 0;
}
-static int ir2_decode_frame(AVCodecContext *avctx,
+static int ir2_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
AVFrame *picture = data;
AVFrame * const p= (AVFrame*)&s->picture;
int start;
- int i;
if(p->data[0])
avctx->release_buffer(avctx, p);
}
s->decode_delta = buf[18];
-
+
/* decide whether frame uses deltas or not */
-#ifndef ALT_BITSTREAM_READER_LE
+#ifndef ALT_BITSTREAM_READER_LE
for (i = 0; i < buf_size; i++)
buf[i] = ff_reverse[buf[i]];
#endif
ic->avctx = avctx;
avctx->pix_fmt= PIX_FMT_YUV410P;
-
+
if (!ir2_vlc.table)
init_vlc(&ir2_vlc, CODE_VLC_BITS, IR2_CODES,
&ir2_codes[0][1], 4, 2,
#ifdef ALT_BITSTREAM_READER_LE
- &ir2_codes[0][0], 4, 2, INIT_VLC_USE_STATIC | INIT_VLC_LE);
+ &ir2_codes[0][0], 4, 2, INIT_VLC_USE_STATIC | INIT_VLC_LE);
#else
- &ir2_codes[0][0], 4, 2, INIT_VLC_USE_STATIC);
+ &ir2_codes[0][0], 4, 2, INIT_VLC_USE_STATIC);
#endif
-
+
return 0;
}