Improve description of next_free_data_block_num struct member.

Originally committed as revision 17960 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun 2009-03-14 17:20:28 +00:00
parent 85b4230f68
commit b91813b6da

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@ -141,9 +141,9 @@ struct xvmc_pix_fmt {
/** Number of the the next free data block; one data block consists of
64 short values in the data_blocks array.
All blocks before this one are already claimed by filling their number
into the corresponding blocks description structure field,
that are hold in mv_blocks array.
All blocks before this one have already been claimed by placing their
position into the corresponding block description structure field,
that are part of the mv_blocks array.
- application - zeroes it on get_buffer().
A successful ff_draw_horiz_band() may zero it together
with start_mb_blocks_num.