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A little better wording of doxygen comments.

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Originally committed as revision 17313 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Kalvachev 2009-02-15 08:29:06 +00:00
parent 1a90cf3c98
commit 3fff9d92dc
1 changed files with 13 additions and 11 deletions
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24
libavcodec/xvmc.h
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@ -31,10 +31,12 @@
#define AV_XVMC_STATE_OSD_SOURCE 4 /** this surface is needed for subpicture rendering */
#endif
#define AV_XVMC_RENDER_MAGIC 0x1DC711C0 /**< magic value to ensure that regular pixel routines haven't corrupted the struct */
// 1337 IDCT MCo
// 1337 IDCT MCo
struct xvmc_render_state {
/** set by calling application */
/** Set by calling application
Once set these values are not supposed to be modified.
*/
//@{
int magic_id; ///< used as a check against memory corruption by regular pixel routines or other API structure
@ -47,18 +49,18 @@ struct xvmc_render_state {
XvMCSurface* p_surface; ///< pointer to rendered surface, never changed
//}@
/** set by the decoder
used by the XvMCRenderSurface function */
/** Set by the decoder before calling draw_horiz_band()
need by the XvMCRenderSurface function */
//@{
XvMCSurface* p_past_surface; ///< pointer to the past surface
XvMCSurface* p_future_surface; ///< pointer to the future prediction surface
unsigned int picture_structure; ///< top/bottom fields or frame
unsigned int picture_structure; ///< top/bottom field or frame
unsigned int flags; ///< XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
//}@
/** Offset in the mv array for the current slice:
- application - zeros it on get_buffer().
- application - zeros it on get_buffer().
successful draw_horiz_band() may increment it
with filled_mb_block_num or zero both.
- libavcodec - unchanged
@ -71,7 +73,7 @@ struct xvmc_render_state {
*/
int filled_mv_blocks_num;
/** Used in add_mv_block, pointer to next free block
/** Offset to the next free data block. The mv_blocks hold number pointing to the data blocks.
- application - zeroes it on get_buffer() and after successful draw_horiz_band()
- libvcodec - each macroblock increases it with the number of coded blocks in it.
*/
@ -80,10 +82,10 @@ struct xvmc_render_state {
/** extensions may be placed here */
#if LIBAVCODEC_VERSION_MAJOR < 53
//@{
/** State - used to workaround limitations in MPlayer vo system.
0 -Surface not used
1 -Surface is still hold in application to be displayed or is still visible.
2 -Surface is still hold in lavcodec buffer for prediction
/** State - used to workaround limitations in MPlayer video system.
0 - Surface not used
1 - Surface is still hold in application to be displayed or is still visible.
2 - Surface is still hold in libavcodec buffer for prediction
*/
int state;
void* p_osd_target_surface_render; ///< pointer to the surface where subpicture is rendered