/libavcodec/snow.h - Diff - PeerStreamer - Redmine

Revision 849f1035 libavcodec/snow.h

libavcodec/snow.h
137	137
138	138	/* C bits used by mmx/sse2/altivec */
139	139
140		static always_inline void snow_interleave_line_header(int * i, int width, DWTELEM * low, DWTELEM * high){
	140	static av_always_inline void snow_interleave_line_header(int * i, int width, DWTELEM * low, DWTELEM * high){
141	141	(*i) = (width) - 2;
142	142
143	143	if (width & 1){
...	...
146	146	}
147	147	}
148	148
149		static always_inline void snow_interleave_line_footer(int * i, DWTELEM * low, DWTELEM * high){
	149	static av_always_inline void snow_interleave_line_footer(int * i, DWTELEM * low, DWTELEM * high){
150	150	for (; (i)>=0; (i)-=2){
151	151	low[(i)+1] = high[(i)>>1];
152	152	low[i] = low[(i)>>1];
153	153	}
154	154	}
155	155
156		static always_inline void snow_horizontal_compose_lift_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w, int lift_high, int mul, int add, int shift){
	156	static av_always_inline void snow_horizontal_compose_lift_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w, int lift_high, int mul, int add, int shift){
157	157	for(; i<w; i++){
158	158	dst[i] = src[i] - ((mul * (ref[i] + ref[i + 1]) + add) >> shift);
159	159	}
...	...
163	163	}
164	164	}
165	165
166		static always_inline void snow_horizontal_compose_liftS_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w){
	166	static av_always_inline void snow_horizontal_compose_liftS_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w){
167	167	for(; i<w; i++){
168	168	dst[i] = src[i] - (((-(ref[i] + ref[(i+1)])+W_BO) - 4 * src[i]) >> W_BS);
169	169	}

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