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author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-10-09 07:36:22 +0200 |
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committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2023-09-29 01:04:10 +0200 |
commit | abaf02a7e7653c6fbf99bc4f735f2679d3fe4624 (patch) | |
tree | 16144db71bed793d579dca28d7ab988cd65768da /libavcodec/snow.h | |
parent | 10dad7ccc2c613be5d7f4fc339e0ce332e59725b (diff) | |
download | ffmpeg-abaf02a7e7653c6fbf99bc4f735f2679d3fe4624.tar.gz |
avcodec/snow: Move decoder/encoder-only inline funcs to snow(dec|enc).c
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/snow.h')
-rw-r--r-- | libavcodec/snow.h | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/libavcodec/snow.h b/libavcodec/snow.h index 73c4535ec1..1c87577699 100644 --- a/libavcodec/snow.h +++ b/libavcodec/snow.h @@ -485,227 +485,8 @@ static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, in } } -static inline void init_ref(MotionEstContext *c, const uint8_t *const src[3], uint8_t *const ref[3], uint8_t *const ref2[3], int x, int y, int ref_index){ - SnowContext *s = c->avctx->priv_data; - const int offset[3]= { - y*c-> stride + x, - ((y*c->uvstride + x)>>s->chroma_h_shift), - ((y*c->uvstride + x)>>s->chroma_h_shift), - }; - int i; - for(i=0; i<3; i++){ - c->src[0][i]= src [i]; - c->ref[0][i]= ref [i] + offset[i]; - } - av_assert2(!ref_index); -} - - -/* bitstream functions */ - extern const int8_t ff_quant3bA[256]; #define QEXPSHIFT (7-FRAC_BITS+8) //FIXME try to change this to 0 -static inline void put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){ - int i; - - if(v){ - const int a= FFABS(v); - const int e= av_log2(a); - const int el= FFMIN(e, 10); - put_rac(c, state+0, 0); - - for(i=0; i<el; i++){ - put_rac(c, state+1+i, 1); //1..10 - } - for(; i<e; i++){ - put_rac(c, state+1+9, 1); //1..10 - } - put_rac(c, state+1+FFMIN(i,9), 0); - - for(i=e-1; i>=el; i--){ - put_rac(c, state+22+9, (a>>i)&1); //22..31 - } - for(; i>=0; i--){ - put_rac(c, state+22+i, (a>>i)&1); //22..31 - } - - if(is_signed) - put_rac(c, state+11 + el, v < 0); //11..21 - }else{ - put_rac(c, state+0, 1); - } -} - -static inline int get_symbol(RangeCoder *c, uint8_t *state, int is_signed){ - if(get_rac(c, state+0)) - return 0; - else{ - int i, e; - unsigned a; - e= 0; - while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10 - e++; - if (e > 31) - return AVERROR_INVALIDDATA; - } - - a= 1; - for(i=e-1; i>=0; i--){ - a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31 - } - - e= -(is_signed && get_rac(c, state+11 + FFMIN(e,10))); //11..21 - return (a^e)-e; - } -} - -static inline void put_symbol2(RangeCoder *c, uint8_t *state, int v, int log2){ - int i; - int r= log2>=0 ? 1<<log2 : 1; - - av_assert2(v>=0); - av_assert2(log2>=-4); - - while(v >= r){ - put_rac(c, state+4+log2, 1); - v -= r; - log2++; - if(log2>0) r+=r; - } - put_rac(c, state+4+log2, 0); - - for(i=log2-1; i>=0; i--){ - put_rac(c, state+31-i, (v>>i)&1); - } -} - -static inline int get_symbol2(RangeCoder *c, uint8_t *state, int log2){ - int i; - int r= log2>=0 ? 1<<log2 : 1; - int v=0; - - av_assert2(log2>=-4); - - while(log2<28 && get_rac(c, state+4+log2)){ - v+= r; - log2++; - if(log2>0) r+=r; - } - - for(i=log2-1; i>=0; i--){ - v+= get_rac(c, state+31-i)<<i; - } - - return v; -} - -static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){ - const int w= b->width; - const int h= b->height; - int x,y; - - int run, runs; - x_and_coeff *xc= b->x_coeff; - x_and_coeff *prev_xc= NULL; - x_and_coeff *prev2_xc= xc; - x_and_coeff *parent_xc= parent ? parent->x_coeff : NULL; - x_and_coeff *prev_parent_xc= parent_xc; - - runs= get_symbol2(&s->c, b->state[30], 0); - if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3); - else run= INT_MAX; - - for(y=0; y<h; y++){ - int v=0; - int lt=0, t=0, rt=0; - - if(y && prev_xc->x == 0){ - rt= prev_xc->coeff; - } - for(x=0; x<w; x++){ - int p=0; - const int l= v; - - lt= t; t= rt; - - if(y){ - if(prev_xc->x <= x) - prev_xc++; - if(prev_xc->x == x + 1) - rt= prev_xc->coeff; - else - rt=0; - } - if(parent_xc){ - if(x>>1 > parent_xc->x){ - parent_xc++; - } - if(x>>1 == parent_xc->x){ - p= parent_xc->coeff; - } - } - if(/*ll|*/l|lt|t|rt|p){ - int context= av_log2(/*FFABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1)); - - v=get_rac(&s->c, &b->state[0][context]); - if(v){ - v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1); - v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + ff_quant3bA[l&0xFF] + 3*ff_quant3bA[t&0xFF]]); - if ((uint16_t)v != v) { - av_log(s->avctx, AV_LOG_ERROR, "Coefficient damaged\n"); - v = 1; - } - xc->x=x; - (xc++)->coeff= v; - } - }else{ - if(!run){ - if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3); - else run= INT_MAX; - v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1); - v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]); - if ((uint16_t)v != v) { - av_log(s->avctx, AV_LOG_ERROR, "Coefficient damaged\n"); - v = 1; - } - - xc->x=x; - (xc++)->coeff= v; - }else{ - int max_run; - run--; - v=0; - av_assert2(run >= 0); - if(y) max_run= FFMIN(run, prev_xc->x - x - 2); - else max_run= FFMIN(run, w-x-1); - if(parent_xc) - max_run= FFMIN(max_run, 2*parent_xc->x - x - 1); - av_assert2(max_run >= 0 && max_run <= run); - - x+= max_run; - run-= max_run; - } - } - } - (xc++)->x= w+1; //end marker - prev_xc= prev2_xc; - prev2_xc= xc; - - if(parent_xc){ - if(y&1){ - while(parent_xc->x != parent->width+1) - parent_xc++; - parent_xc++; - prev_parent_xc= parent_xc; - }else{ - parent_xc= prev_parent_xc; - } - } - } - - (xc++)->x= w+1; //end marker -} - #endif /* AVCODEC_SNOW_H */ |