Module: libav Branch: master Commit: 5941978e71d2c3a8e2a7e87951e081e0b2e77da9
Author: Martin Storsjö <[email protected]> Committer: Martin Storsjö <[email protected]> Date: Wed Apr 3 05:03:17 2013 -0700 vp3: bfin: Transpose the IDCTs While this change isn't bitexact, the IDCTs weren't bitexact to start with either. This simplifies decoupling vp3 from dsputil. Signed-off-by: Martin Storsjö <[email protected]> --- libavcodec/bfin/vp3_bfin.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/libavcodec/bfin/vp3_bfin.c b/libavcodec/bfin/vp3_bfin.c index ce8b033..86c4b23 100644 --- a/libavcodec/bfin/vp3_bfin.c +++ b/libavcodec/bfin/vp3_bfin.c @@ -37,7 +37,7 @@ static void bfin_vp3_idct_put(uint8_t *dest, int line_size, int16_t *block) for (i=0;i<8;i++) for (j=0;j<8;j++) - dest[line_size*i+j]=cm[block[i*8+j]]; + dest[line_size*i + j] = cm[block[j*8 + i]]; memset(block, 0, 128); } @@ -45,8 +45,13 @@ static void bfin_vp3_idct_put(uint8_t *dest, int line_size, int16_t *block) /* Inter iDCT */ static void bfin_vp3_idct_add(uint8_t *dest, int line_size, int16_t *block) { + const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; + int i, j; + ff_bfin_vp3_idct (block); - ff_bfin_add_pixels_clamped (block, dest, line_size); + for (i = 0; i < 8; i++) + for (j = 0; j < 8; j++) + dest[line_size*i + j] = cm[dest[line_size*i + j] + block[j*8 + i]]; memset(block, 0, 128); } @@ -56,5 +61,6 @@ av_cold void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags) if (!(flags & CODEC_FLAG_BITEXACT)) { c->idct_add = bfin_vp3_idct_add; c->idct_put = bfin_vp3_idct_put; + c->idct_perm = FF_TRANSPOSE_IDCT_PERM; } } _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
