[FFmpeg-cvslog] doxygen: Fix documentation for some VP8 functions.
Diego Biurrun
git at videolan.org
Wed Jul 27 12:49:43 CEST 2011
ffmpeg | branch: release/0.7 | Diego Biurrun <diego at biurrun.de> | Sun Jul 3 16:09:37 2011 +0200| [64e2656f7c6d03c11b8e65202fc803cf58c03e1a] | committer: Reinhard Tartler
doxygen: Fix documentation for some VP8 functions.
(cherry picked from commit 3c432e1186443fae474fa4e8613fbc21fd8a6c63)
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=64e2656f7c6d03c11b8e65202fc803cf58c03e1a
---
libavcodec/vp8.c | 33 +++++++++++++++++++++++++++++----
1 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 282d2fd..5e331c9 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -641,8 +641,6 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, uint8_
* @param block destination for block coefficients
* @param probs probabilities to use when reading trees from the bitstream
* @param i initial coeff index, 0 unless a separate DC block is coded
- * @param zero_nhood the initial prediction context for number of surrounding
- * all-zero blocks (only left/top, so 0-2)
* @param qmul array holding the dc/ac dequant factor at position 0/1
* @return 0 if no coeffs were decoded
* otherwise, the index of the last coeff decoded plus one
@@ -701,6 +699,17 @@ skip_eob:
}
#endif
+/**
+ * @param c arithmetic bitstream reader context
+ * @param block destination for block coefficients
+ * @param probs probabilities to use when reading trees from the bitstream
+ * @param i initial coeff index, 0 unless a separate DC block is coded
+ * @param zero_nhood the initial prediction context for number of surrounding
+ * all-zero blocks (only left/top, so 0-2)
+ * @param qmul array holding the dc/ac dequant factor at position 0/1
+ * @return 0 if no coeffs were decoded
+ * otherwise, the index of the last coeff decoded plus one
+ */
static av_always_inline
int decode_block_coeffs(VP56RangeCoder *c, DCTELEM block[16],
uint8_t probs[16][3][NUM_DCT_TOKENS-1],
@@ -1034,10 +1043,9 @@ static const uint8_t subpel_idx[3][8] = {
};
/**
- * Generic MC function.
+ * luma MC function
*
* @param s VP8 decoding context
- * @param luma 1 for luma (Y) planes, 0 for chroma (Cb/Cr) planes
* @param dst target buffer for block data at block position
* @param src reference picture buffer at origin (0, 0)
* @param mv motion vector (relative to block position) to get pixel data from
@@ -1083,6 +1091,23 @@ void vp8_mc_luma(VP8Context *s, uint8_t *dst, AVFrame *ref, const VP56mv *mv,
}
}
+/**
+ * chroma MC function
+ *
+ * @param s VP8 decoding context
+ * @param dst1 target buffer for block data at block position (U plane)
+ * @param dst2 target buffer for block data at block position (V plane)
+ * @param ref reference picture buffer at origin (0, 0)
+ * @param mv motion vector (relative to block position) to get pixel data from
+ * @param x_off horizontal position of block from origin (0, 0)
+ * @param y_off vertical position of block from origin (0, 0)
+ * @param block_w width of block (16, 8 or 4)
+ * @param block_h height of block (always same as block_w)
+ * @param width width of src/dst plane data
+ * @param height height of src/dst plane data
+ * @param linesize size of a single line of plane data, including padding
+ * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
+ */
static av_always_inline
void vp8_mc_chroma(VP8Context *s, uint8_t *dst1, uint8_t *dst2, AVFrame *ref,
const VP56mv *mv, int x_off, int y_off,
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