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Skip zero-sized frames right at the beginning of the file.

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This commit is contained in:
Moritz Bunkus 2005-02-01 20:02:22 +00:00
parent 4855528dc1
commit f278ef9757
1 changed files with 6 additions and 4 deletions
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10
src/input/r_avi.cpp
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@ -405,20 +405,23 @@ avi_reader_c::read(generic_packetizer_c *ptzr,
done = false;
// Make sure we have a frame to work with.
if (old_chunk == NULL) {
while (NULL == old_chunk) {
debug_enter("AVI_read_frame");
nread = AVI_read_frame(avi, (char *)chunk, &key);
debug_leave("AVI_read_frame");
if (nread < 0) {
frames = maxframes + 1;
done = true;
} else {
// key = is_keyframe(chunk, nread, key);
break;
} else if (nread > 0) {
old_chunk = chunk;
chunk = (unsigned char *)safemalloc(chunk_size);
old_key = key;
old_nread = nread;
frames++;
} else {
++frames;
++dropped_frames;
}
}
if (!done) {
@ -439,7 +442,6 @@ avi_reader_c::read(generic_packetizer_c *ptzr,
frames = maxframes + 1;
break;
}
// key = is_keyframe(chunk, nread, key);
if (frames == (maxframes - 1)) {
last_frame = 1;
done = true;