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Code Issues Releases Activity

Fix ipvideo_decode_block_opcode_0xD again.

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Originally committed as revision 18289 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-03-31 22:28:36 +00:00
parent 9b34899ecf
commit 8514f8427f
1 changed files with 8 additions and 7 deletions
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15
libavcodec/interplayvideo.c
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@ -493,18 +493,19 @@ static int ipvideo_decode_block_opcode_0xC(IpvideoContext *s)
static int ipvideo_decode_block_opcode_0xD(IpvideoContext *s)
{
int y;
unsigned char P;
unsigned char P[2];
/* 4-color block encoding: each 4x4 block is a different color */
CHECK_STREAM_PTR(4);
for (y = 0; y < 16; y++) {
if (!(y & 3)) // start of block
P = *s->stream_ptr++;
memset(s->pixel_ptr, P, 4);
for (y = 0; y < 8; y++) {
if (!(y & 3)) {
P[0] = *s->stream_ptr++;
P[1] = *s->stream_ptr++;
}
memset(s->pixel_ptr, P[0], 4);
memset(s->pixel_ptr + 4, P[1], 4);
s->pixel_ptr += s->stride;
// switch to right half
if (y == 7) s->pixel_ptr -= 8 * s->stride - 4;
}
/* report success */