sync to libavcodec build 4755

CVS patchset: 7567
CVS date: 2005/05/28 01:40:40

1 files changed, 47 insertions, 12 deletions

diff --git a/src/libffmpeg/libavcodec/dsputil.c b/src/libffmpeg/libavcodec/dsputil.c
index 1ef956cc4..69731b070 100644
--- a/src/libffmpeg/libavcodec/dsputil.c
+++ b/src/libffmpeg/libavcodec/dsputil.c
@@ -2645,7 +2645,7 @@ static void h261_loop_filter_c(uint8_t *src, int stride){
     }
 }
 
-static inline void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int *tc0)
+static inline void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
 {
     int i, d;
     for( i = 0; i < 4; i++ ) {
@@ -2669,11 +2669,11 @@ static inline void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystrid
                 int i_delta;
     
                 if( ABS( p2 - p0 ) < beta ) {
-                    pix[-2*xstride] = p1 + clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0[i], tc0[i] );
+                    pix[-2*xstride] = p1 + clip( (( p2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - p1, -tc0[i], tc0[i] );
                     tc++;
                 }
                 if( ABS( q2 - q0 ) < beta ) {
-                    pix[xstride] = q1 + clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0[i], tc0[i] );
+                    pix[   xstride] = q1 + clip( (( q2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - q1, -tc0[i], tc0[i] );
                     tc++;
                 }
     
@@ -2685,16 +2685,16 @@ static inline void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystrid
         }
     }
 }
-static void h264_v_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int *tc0)
+static void h264_v_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
 {
     h264_loop_filter_luma_c(pix, stride, 1, alpha, beta, tc0);
 }
-static void h264_h_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int *tc0)
+static void h264_h_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
 {
     h264_loop_filter_luma_c(pix, 1, stride, alpha, beta, tc0);
 }
 
-static inline void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int *tc0)
+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;
     for( i = 0; i < 4; i++ ) {
@@ -2722,15 +2722,43 @@ static inline void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystr
         }
     }
 }
-static void h264_v_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int *tc0)
+static void h264_v_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
 {
     h264_loop_filter_chroma_c(pix, stride, 1, alpha, beta, tc0);
 }
-static void h264_h_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int *tc0)
+static void h264_h_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
 {
     h264_loop_filter_chroma_c(pix, 1, stride, alpha, beta, tc0);
 }
 
+static inline void h264_loop_filter_chroma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
+{
+    int d;
+    for( d = 0; d < 8; d++ ) {
+        const int p0 = pix[-1*xstride];
+        const int p1 = pix[-2*xstride];
+        const int q0 = pix[0];
+        const int q1 = pix[1*xstride];
+
+        if( ABS( p0 - q0 ) < alpha &&
+            ABS( p1 - p0 ) < beta &&
+            ABS( q1 - q0 ) < beta ) {
+
+            pix[-xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */
+            pix[0]        = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */
+        }
+        pix += ystride;
+    }
+}
+static void h264_v_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
+{
+    h264_loop_filter_chroma_intra_c(pix, stride, 1, alpha, beta);
+}
+static void h264_h_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
+{
+    h264_loop_filter_chroma_intra_c(pix, 1, stride, alpha, beta);
+}
+
 static inline int pix_abs16_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 {
     int s, i;
@@ -3645,6 +3673,11 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
             c->idct_add= ff_jref_idct_add;
             c->idct    = j_rev_dct;
             c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
+        }else if(avctx->idct_algo==FF_IDCT_VP3){
+            c->idct_put= ff_vp3_idct_put_c;
+            c->idct_add= ff_vp3_idct_add_c;
+            c->idct    = ff_vp3_idct_c;
+            c->idct_permutation_type= FF_NO_IDCT_PERM;
         }else{ //accurate/default
             c->idct_put= simple_idct_put;
             c->idct_add= simple_idct_add;
@@ -3655,10 +3688,6 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
 
     c->h264_idct_add= ff_h264_idct_add_c;
 
-    /* VP3 DSP support */
-    c->vp3_dsp_init = vp3_dsp_init_c;
-    c->vp3_idct = vp3_idct_c;
-
     c->get_pixels = get_pixels_c;
     c->diff_pixels = diff_pixels_c;
     c->put_pixels_clamped = put_pixels_clamped_c;
@@ -3835,6 +3864,8 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
     c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_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;
+    c->h264_h_loop_filter_chroma_intra= h264_h_loop_filter_chroma_intra_c;
     
     c->h263_h_loop_filter= h263_h_loop_filter_c;
     c->h263_v_loop_filter= h263_v_loop_filter_c;
@@ -3886,6 +3917,10 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
         for(i=0; i<64; i++)
             c->idct_permutation[i]= ((i&7)<<3) | (i>>3);
         break;
+    case FF_PARTTRANS_IDCT_PERM:
+        for(i=0; i<64; i++)
+            c->idct_permutation[i]= (i&0x24) | ((i&3)<<3) | ((i>>3)&3);
+        break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n");
     }