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author | Jason Garrett-Glaser <darkshikari@gmail.com> | 2008-12-19 00:44:51 +0000 |
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committer | Jason Garrett-Glaser <darkshikari@gmail.com> | 2008-12-19 00:44:51 +0000 |
commit | 712ca84c21a4d7faf97fa79732bf5c347ec6fbc3 (patch) | |
tree | d6c0d9f595928be8368a285e173c8598e176edfc /libavcodec/dsputil.c | |
parent | b9fe706305901523c1f27f254c7a10323cf30d4d (diff) | |
download | ffmpeg-streaming-712ca84c21a4d7faf97fa79732bf5c347ec6fbc3.zip ffmpeg-streaming-712ca84c21a4d7faf97fa79732bf5c347ec6fbc3.tar.gz |
Move filter_luma_intra into dsputil for later addition of asm.
Originally committed as revision 16228 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.c')
-rw-r--r-- | libavcodec/dsputil.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index b3b54d9..6cd7131 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -2987,6 +2987,63 @@ static void h264_h_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int b h264_loop_filter_luma_c(pix, 1, stride, alpha, beta, tc0); } +static inline void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta) +{ + int d; + for( d = 0; d < 16; d++ ) { + const int p2 = pix[-3*xstride]; + const int p1 = pix[-2*xstride]; + const int p0 = pix[-1*xstride]; + + const int q0 = pix[ 0*xstride]; + const int q1 = pix[ 1*xstride]; + const int q2 = pix[ 2*xstride]; + + if( FFABS( p0 - q0 ) < alpha && + FFABS( p1 - p0 ) < beta && + FFABS( q1 - q0 ) < beta ) { + + if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){ + if( FFABS( p2 - p0 ) < beta) + { + const int p3 = pix[-4*xstride]; + /* p0', p1', p2' */ + pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3; + pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2; + pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3; + } else { + /* p0' */ + pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; + } + if( FFABS( q2 - q0 ) < beta) + { + const int q3 = pix[3*xstride]; + /* q0', q1', q2' */ + pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3; + pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2; + pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3; + } else { + /* q0' */ + pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; + } + }else{ + /* p0', q0' */ + pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; + pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; + } + } + pix += ystride; + } +} +static void h264_v_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta) +{ + h264_loop_filter_luma_intra_c(pix, stride, 1, alpha, beta); +} +static void h264_h_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta) +{ + h264_loop_filter_luma_intra_c(pix, 1, stride, alpha, beta); +} + static inline void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0) { int i, d; @@ -4500,6 +4557,8 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx) c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_c; c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_c; + c->h264_v_loop_filter_luma_intra= h264_v_loop_filter_luma_intra_c; + c->h264_h_loop_filter_luma_intra= h264_h_loop_filter_luma_intra_c; c->h264_v_loop_filter_chroma= h264_v_loop_filter_chroma_c; c->h264_h_loop_filter_chroma= h264_h_loop_filter_chroma_c; c->h264_v_loop_filter_chroma_intra= h264_v_loop_filter_chroma_intra_c; |