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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-09-19 15:21:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-09-24 16:58:47 +0200 |
| commit | ac682955e90a29de9b515004af7e24d06bfa6994 (patch) | |
| tree | c8c95e5b55d153be9ff5ebff8ee5d34426158daf /libpostproc/postprocess.c | |
| parent | 266b3d4fe48af53acff454ca59c507bc7d05885f (diff) | |
| download | ffmpeg-ac682955e90a29de9b515004af7e24d06bfa6994.tar.gz | |
postproc: add basic deblock filter visualization support
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libpostproc/postprocess.c')
| -rw-r--r-- | libpostproc/postprocess.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c index e06c29b084..bb6a3b4e61 100644 --- a/libpostproc/postprocess.c +++ b/libpostproc/postprocess.c @@ -151,6 +151,7 @@ static const struct PPFilter filters[]= {"tn", "tmpnoise", 1, 7, 8, TEMP_NOISE_FILTER}, {"fq", "forcequant", 1, 0, 0, FORCE_QUANT}, {"be", "bitexact", 1, 0, 0, BITEXACT}, + {"vi", "visualize", 1, 0, 0, VISUALIZE}, {NULL, NULL,0,0,0,0} //End Marker }; @@ -430,7 +431,7 @@ static inline void horizX1Filter(uint8_t *src, int stride, int QP) * accurate deblock filter */ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, - int stride, const PPContext *c) + int stride, const PPContext *c, int mode) { int y; const int QP= c->QP; @@ -485,6 +486,16 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, sums[8] = sums[7] - src[3*step] + last; sums[9] = sums[8] - src[4*step] + last; + if (mode & VISUALIZE) { + src[0*step] = + src[1*step] = + src[2*step] = + src[3*step] = + src[4*step] = + src[5*step] = + src[6*step] = + src[7*step] = 128; + } src[0*step]= (sums[0] + sums[2] + 2*src[0*step])>>4; src[1*step]= (sums[1] + sums[3] + 2*src[1*step])>>4; src[2*step]= (sums[2] + sums[4] + 2*src[2*step])>>4; @@ -516,6 +527,13 @@ static av_always_inline void do_a_deblock_C(uint8_t *src, int step, d = FFMAX(d, q); } + if ((mode & VISUALIZE) && d) { + d= (d < 0) ? 32 : -32; + src[3*step]= av_clip_uint8(src[3*step] - d); + src[4*step]= av_clip_uint8(src[4*step] + d); + d = 0; + } + src[3*step]-= d; src[4*step]+= d; } |