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directdrawsink: Fix crash when exposing in GST_STATE_READY

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Fixes bug #541962.
This commit is contained in:
Julien Isorce 2009-08-09 12:25:01 +02:00 committed by Sebastian Dröge
parent 6115e0cb0e
commit 182dad5c66
1 changed files with 6 additions and 4 deletions
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10
sys/directdraw/gstdirectdrawsink.c
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@ -961,10 +961,12 @@ gst_directdraw_sink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
/* Write each line respecting the destination surface pitch */
data = surf_desc.lpSurface;
src_pitch = GST_BUFFER_SIZE (buf) / ddrawsink->video_height;
for (line = 0; line < surf_desc.dwHeight; line++) {
memcpy (data, GST_BUFFER_DATA (buf) + (line * src_pitch), src_pitch);
data += surf_desc.lPitch;
if (ddrawsink->video_height) {
src_pitch = GST_BUFFER_SIZE (buf) / ddrawsink->video_height;
for (line = 0; line < surf_desc.dwHeight; line++) {
memcpy (data, GST_BUFFER_DATA (buf) + (line * src_pitch), src_pitch);
data += surf_desc.lPitch;
}
}
/* Unlock the surface */