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spudec: support "clear" packet type 

Support "clear" packets that contain no data but instead clear the
screen at a given time.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32410 b3059339-0415-0410-9bf9-f77b7e298cf2

Reindent.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32411 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2010-09-29 19:05:13 +00:00 committed by Uoti Urpala
parent b4c7efdfe1
commit 2b01fc0678
1 changed files with 15 additions and 13 deletions
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28
spudec.c
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@ -1367,20 +1367,22 @@ void spudec_set_paletted(void *this, const uint8_t *pal_img, int pal_stride,
packet->start_col = x; packet->start_col = x;
packet->start_row = y; packet->start_row = y;
packet->data_len = 2 * stride * h; packet->data_len = 2 * stride * h;
packet->packet = malloc(packet->data_len); if (packet->data_len) { // size 0 is a special "clear" packet
img = packet->packet; packet->packet = malloc(packet->data_len);
aimg = packet->packet + stride * h; img = packet->packet;
for (i = 0; i < 256; i++) { aimg = packet->packet + stride * h;
uint32_t pixel = pal[i]; for (i = 0; i < 256; i++) {
int alpha = pixel >> 24; uint32_t pixel = pal[i];
int gray = (((pixel & 0x000000ff) >> 0) + int alpha = pixel >> 24;
((pixel & 0x0000ff00) >> 7) + int gray = (((pixel & 0x000000ff) >> 0) +
((pixel & 0x00ff0000) >> 16)) >> 2; ((pixel & 0x0000ff00) >> 7) +
gray = FFMIN(gray, alpha); ((pixel & 0x00ff0000) >> 16)) >> 2;
g8a8_pal[i] = (-alpha << 8) | gray; gray = FFMIN(gray, alpha);
g8a8_pal[i] = (-alpha << 8) | gray;
}
pal2gray_alpha(g8a8_pal, pal_img, pal_stride,
img, aimg, stride, w, h);
} }
pal2gray_alpha(g8a8_pal, pal_img, pal_stride,
img, aimg, stride, w, h);
packet->start_pts = 0; packet->start_pts = 0;
packet->end_pts = 0x7fffffff; packet->end_pts = 0x7fffffff;
if (pts != MP_NOPTS_VALUE) if (pts != MP_NOPTS_VALUE)