]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/rv40.c
utvideodec: Convert to the new bitstream reader
[ffmpeg] / libavcodec / rv40.c
index 3216e838ef47b6b1c21d907e51feb98212f7c6e7..0da13124d6da31738299389d982ee751f7239728 100644 (file)
@@ -27,7 +27,7 @@
 #include "libavutil/imgutils.h"
 
 #include "avcodec.h"
-#include "dsputil.h"
+#include "mpegutils.h"
 #include "mpegvideo.h"
 #include "golomb.h"
 
@@ -80,18 +80,18 @@ static av_cold void rv40_init_tables(void)
     for(i = 0; i < NUM_PTYPE_VLCS; i++){
         ptype_vlc[i].table = &ptype_table[i << PTYPE_VLC_BITS];
         ptype_vlc[i].table_allocated = 1 << PTYPE_VLC_BITS;
-        init_vlc_sparse(&ptype_vlc[i], PTYPE_VLC_BITS, PTYPE_VLC_SIZE,
-                         ptype_vlc_bits[i],  1, 1,
-                         ptype_vlc_codes[i], 1, 1,
-                         ptype_vlc_syms,     1, 1, INIT_VLC_USE_NEW_STATIC);
+        ff_init_vlc_sparse(&ptype_vlc[i], PTYPE_VLC_BITS, PTYPE_VLC_SIZE,
+                            ptype_vlc_bits[i],  1, 1,
+                            ptype_vlc_codes[i], 1, 1,
+                            ptype_vlc_syms,     1, 1, INIT_VLC_USE_NEW_STATIC);
     }
     for(i = 0; i < NUM_BTYPE_VLCS; i++){
         btype_vlc[i].table = &btype_table[i << BTYPE_VLC_BITS];
         btype_vlc[i].table_allocated = 1 << BTYPE_VLC_BITS;
-        init_vlc_sparse(&btype_vlc[i], BTYPE_VLC_BITS, BTYPE_VLC_SIZE,
-                         btype_vlc_bits[i],  1, 1,
-                         btype_vlc_codes[i], 1, 1,
-                         btype_vlc_syms,     1, 1, INIT_VLC_USE_NEW_STATIC);
+        ff_init_vlc_sparse(&btype_vlc[i], BTYPE_VLC_BITS, BTYPE_VLC_SIZE,
+                            btype_vlc_bits[i],  1, 1,
+                            btype_vlc_codes[i], 1, 1,
+                            btype_vlc_syms,     1, 1, INIT_VLC_USE_NEW_STATIC);
     }
 }
 
@@ -130,22 +130,23 @@ static int rv40_parse_slice_header(RV34DecContext *r, GetBitContext *gb, SliceIn
     int mb_bits;
     int w = r->s.width, h = r->s.height;
     int mb_size;
+    int ret;
 
     memset(si, 0, sizeof(SliceInfo));
     if(get_bits1(gb))
-        return -1;
+        return AVERROR_INVALIDDATA;
     si->type = get_bits(gb, 2);
     if(si->type == 1) si->type = 0;
     si->quant = get_bits(gb, 5);
     if(get_bits(gb, 2))
-        return -1;
+        return AVERROR_INVALIDDATA;
     si->vlc_set = get_bits(gb, 2);
     skip_bits1(gb);
     si->pts = get_bits(gb, 13);
     if(!si->type || !get_bits1(gb))
         rv40_parse_picture_size(gb, &w, &h);
-    if(av_image_check_size(w, h, 0, r->s.avctx) < 0)
-        return -1;
+    if ((ret = av_image_check_size(w, h, 0, r->s.avctx)) < 0)
+        return ret;
     si->width  = w;
     si->height = h;
     mb_size = ((w + 15) >> 4) * ((h + 15) >> 4);
@@ -228,31 +229,34 @@ static int rv40_decode_mb_info(RV34DecContext *r)
     int q, i;
     int prev_type = 0;
     int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
-    int blocks[RV34_MB_TYPES] = {0};
-    int count = 0;
 
     if(!r->s.mb_skip_run)
-        r->s.mb_skip_run = svq3_get_ue_golomb(gb) + 1;
+        r->s.mb_skip_run = get_interleaved_ue_golomb(gb) + 1;
 
     if(--r->s.mb_skip_run)
          return RV34_MB_SKIP;
 
-    if(r->avail_cache[6-1])
-        blocks[r->mb_type[mb_pos - 1]]++;
     if(r->avail_cache[6-4]){
+        int blocks[RV34_MB_TYPES] = {0};
+        int count = 0;
+        if(r->avail_cache[6-1])
+            blocks[r->mb_type[mb_pos - 1]]++;
         blocks[r->mb_type[mb_pos - s->mb_stride]]++;
         if(r->avail_cache[6-2])
             blocks[r->mb_type[mb_pos - s->mb_stride + 1]]++;
         if(r->avail_cache[6-5])
             blocks[r->mb_type[mb_pos - s->mb_stride - 1]]++;
-    }
-
-    for(i = 0; i < RV34_MB_TYPES; i++){
-        if(blocks[i] > count){
-            count = blocks[i];
-            prev_type = i;
+        for(i = 0; i < RV34_MB_TYPES; i++){
+            if(blocks[i] > count){
+                count = blocks[i];
+                prev_type = i;
+                if(count>1)
+                    break;
+            }
         }
-    }
+    } else if (r->avail_cache[6-1])
+        prev_type = r->mb_type[mb_pos - 1];
+
     if(s->pict_type == AV_PICTURE_TYPE_P){
         prev_type = block_num_to_ptype_vlc_num[prev_type];
         q = get_vlc2(gb, ptype_vlc[prev_type].table, PTYPE_VLC_BITS, 1);
@@ -294,6 +298,34 @@ enum RV40BlockPos{
 static const int neighbour_offs_x[4] = { 0,  0, -1, 0 };
 static const int neighbour_offs_y[4] = { 0, -1,  0, 1 };
 
+static void rv40_adaptive_loop_filter(RV34DSPContext *rdsp,
+                                      uint8_t *src, int stride, int dmode,
+                                      int lim_q1, int lim_p1,
+                                      int alpha, int beta, int beta2,
+                                      int chroma, int edge, int dir)
+{
+    int filter_p1, filter_q1;
+    int strong;
+    int lims;
+
+    strong = rdsp->rv40_loop_filter_strength[dir](src, stride, beta, beta2,
+                                                  edge, &filter_p1, &filter_q1);
+
+    lims = filter_p1 + filter_q1 + ((lim_q1 + lim_p1) >> 1) + 1;
+
+    if (strong) {
+        rdsp->rv40_strong_loop_filter[dir](src, stride, alpha,
+                                           lims, dmode, chroma);
+    } else if (filter_p1 & filter_q1) {
+        rdsp->rv40_weak_loop_filter[dir](src, stride, 1, 1, alpha, beta,
+                                         lims, lim_q1, lim_p1);
+    } else if (filter_p1 | filter_q1) {
+        rdsp->rv40_weak_loop_filter[dir](src, stride, filter_p1, filter_q1,
+                                         alpha, beta, lims >> 1, lim_q1 >> 1,
+                                         lim_p1 >> 1);
+    }
+}
+
 /**
  * RV40 loop filtering function
  */
@@ -329,11 +361,11 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
      * in addition to the coded ones because because they lie at the edge of
      * 8x8 block with different enough motion vectors
      */
-    int mvmasks[4];
+    unsigned mvmasks[4];
 
     mb_pos = row * s->mb_stride;
     for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){
-        int mbtype = s->current_picture_ptr->f.mb_type[mb_pos];
+        int mbtype = s->current_picture_ptr->mb_type[mb_pos];
         if(IS_INTRA(mbtype) || IS_SEPARATE_DC(mbtype))
             r->cbp_luma  [mb_pos] = r->deblock_coefs[mb_pos] = 0xFFFF;
         if(IS_INTRA(mbtype))
@@ -345,9 +377,10 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
         int c_v_deblock[2], c_h_deblock[2];
         int clip_left;
         int avail[4];
-        int y_to_deblock, c_to_deblock[2];
+        unsigned y_to_deblock;
+        int c_to_deblock[2];
 
-        q = s->current_picture_ptr->f.qscale_table[mb_pos];
+        q = s->current_picture_ptr->qscale_table[mb_pos];
         alpha = rv40_alpha_tab[q];
         beta  = rv40_beta_tab [q];
         betaY = betaC = beta * 3;
@@ -362,7 +395,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
             if(avail[i]){
                 int pos = mb_pos + neighbour_offs_x[i] + neighbour_offs_y[i]*s->mb_stride;
                 mvmasks[i] = r->deblock_coefs[pos];
-                mbtype [i] = s->current_picture_ptr->f.mb_type[pos];
+                mbtype [i] = s->current_picture_ptr->mb_type[pos];
                 cbp    [i] = r->cbp_luma[pos];
                 uvcbp[i][0] = r->cbp_chroma[pos] & 0xF;
                 uvcbp[i][1] = r->cbp_chroma[pos] >> 4;
@@ -399,7 +432,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
             y_v_deblock &= ~MASK_Y_LEFT_COL;
         if(!row)
             y_h_deblock &= ~MASK_Y_TOP_ROW;
-        if(row == s->mb_height - 1 || (mb_strong[POS_CUR] || mb_strong[POS_BOTTOM]))
+        if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))
             y_h_deblock &= ~(MASK_Y_TOP_ROW << 16);
         /* Calculating chroma patterns is similar and easier since there is
          * no motion vector pattern for them.
@@ -416,12 +449,12 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
                 c_v_deblock[i] &= ~MASK_C_LEFT_COL;
             if(!row)
                 c_h_deblock[i] &= ~MASK_C_TOP_ROW;
-            if(row == s->mb_height - 1 || mb_strong[POS_CUR] || mb_strong[POS_BOTTOM])
+            if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))
                 c_h_deblock[i] &= ~(MASK_C_TOP_ROW << 4);
         }
 
         for(j = 0; j < 16; j += 4){
-            Y = s->current_picture_ptr->f.data[0] + mb_x*16 + (row*16 + j) * s->linesize;
+            Y = s->current_picture_ptr->f->data[0] + mb_x*16 + (row*16 + j) * s->linesize;
             for(i = 0; i < 4; i++, Y += 4){
                 int ij = i + j;
                 int clip_cur = y_to_deblock & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
@@ -430,75 +463,76 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
                 // if bottom block is coded then we can filter its top edge
                 // (or bottom edge of this block, which is the same)
                 if(y_h_deblock & (MASK_BOTTOM << ij)){
-                    r->rdsp.rv40_h_loop_filter(Y+4*s->linesize, s->linesize, dither,
-                                       y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0,
-                                       clip_cur,
-                                       alpha, beta, betaY, 0, 0);
+                    rv40_adaptive_loop_filter(&r->rdsp, Y+4*s->linesize,
+                                              s->linesize, dither,
+                                              y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0,
+                                              clip_cur, alpha, beta, betaY,
+                                              0, 0, 0);
                 }
                 // filter left block edge in ordinary mode (with low filtering strength)
-                if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
+                if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
                     if(!i)
                         clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
                     else
                         clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
-                    r->rdsp.rv40_v_loop_filter(Y, s->linesize, dither,
-                                       clip_cur,
-                                       clip_left,
-                                       alpha, beta, betaY, 0, 0);
+                    rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
+                                              clip_cur,
+                                              clip_left,
+                                              alpha, beta, betaY, 0, 0, 1);
                 }
                 // filter top edge of the current macroblock when filtering strength is high
-                if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
-                    r->rdsp.rv40_h_loop_filter(Y, s->linesize, dither,
+                if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){
+                    rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
                                        clip_cur,
                                        mvmasks[POS_TOP] & (MASK_TOP << i) ? clip[POS_TOP] : 0,
-                                       alpha, beta, betaY, 0, 1);
+                                       alpha, beta, betaY, 0, 1, 0);
                 }
                 // filter left block edge in edge mode (with high filtering strength)
-                if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
+                if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){
                     clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
-                    r->rdsp.rv40_v_loop_filter(Y, s->linesize, dither,
+                    rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
                                        clip_cur,
                                        clip_left,
-                                       alpha, beta, betaY, 0, 1);
+                                       alpha, beta, betaY, 0, 1, 1);
                 }
             }
         }
         for(k = 0; k < 2; k++){
             for(j = 0; j < 2; j++){
-                C = s->current_picture_ptr->f.data[k + 1] + mb_x*8 + (row*8 + j*4) * s->uvlinesize;
+                C = s->current_picture_ptr->f->data[k + 1] + mb_x*8 + (row*8 + j*4) * s->uvlinesize;
                 for(i = 0; i < 2; i++, C += 4){
                     int ij = i + j*2;
                     int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
                     if(c_h_deblock[k] & (MASK_CUR << (ij+2))){
                         int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0;
-                        r->rdsp.rv40_h_loop_filter(C+4*s->uvlinesize, s->uvlinesize, i*8,
+                        rv40_adaptive_loop_filter(&r->rdsp, C+4*s->uvlinesize, s->uvlinesize, i*8,
                                            clip_bot,
                                            clip_cur,
-                                           alpha, beta, betaC, 1, 0);
+                                           alpha, beta, betaC, 1, 0, 0);
                     }
-                    if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
+                    if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
                         if(!i)
                             clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
                         else
                             clip_left = c_to_deblock[k]    & (MASK_CUR << (ij-1))  ? clip[POS_CUR]  : 0;
-                        r->rdsp.rv40_v_loop_filter(C, s->uvlinesize, j*8,
+                        rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,
                                            clip_cur,
                                            clip_left,
-                                           alpha, beta, betaC, 1, 0);
+                                           alpha, beta, betaC, 1, 0, 1);
                     }
-                    if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
+                    if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){
                         int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;
-                        r->rdsp.rv40_h_loop_filter(C, s->uvlinesize, i*8,
+                        rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, i*8,
                                            clip_cur,
                                            clip_top,
-                                           alpha, beta, betaC, 1, 1);
+                                           alpha, beta, betaC, 1, 1, 0);
                     }
-                    if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
+                    if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){
                         clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
-                        r->rdsp.rv40_v_loop_filter(C, s->uvlinesize, j*8,
+                        rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,
                                            clip_cur,
                                            clip_left,
-                                           alpha, beta, betaC, 1, 1);
+                                           alpha, beta, betaC, 1, 1, 1);
                     }
                 }
             }
@@ -512,9 +546,11 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
 static av_cold int rv40_decode_init(AVCodecContext *avctx)
 {
     RV34DecContext *r = avctx->priv_data;
+    int ret;
 
     r->rv30 = 0;
-    ff_rv34_decode_init(avctx);
+    if ((ret = ff_rv34_decode_init(avctx)) < 0)
+        return ret;
     if(!aic_top_vlc.bits)
         rv40_init_tables();
     r->parse_slice_header = rv40_parse_slice_header;
@@ -527,15 +563,21 @@ static av_cold int rv40_decode_init(AVCodecContext *avctx)
 }
 
 AVCodec ff_rv40_decoder = {
-    .name           = "rv40",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_RV40,
-    .priv_data_size = sizeof(RV34DecContext),
-    .init           = rv40_decode_init,
-    .close          = ff_rv34_decode_end,
-    .decode         = ff_rv34_decode_frame,
-    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
-    .flush          = ff_mpeg_flush,
-    .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 4.0"),
-    .pix_fmts       = ff_pixfmt_list_420,
+    .name                  = "rv40",
+    .long_name             = NULL_IF_CONFIG_SMALL("RealVideo 4.0"),
+    .type                  = AVMEDIA_TYPE_VIDEO,
+    .id                    = AV_CODEC_ID_RV40,
+    .priv_data_size        = sizeof(RV34DecContext),
+    .init                  = rv40_decode_init,
+    .close                 = ff_rv34_decode_end,
+    .decode                = ff_rv34_decode_frame,
+    .capabilities          = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
+                             AV_CODEC_CAP_FRAME_THREADS,
+    .flush                 = ff_mpeg_flush,
+    .pix_fmts              = (const enum AVPixelFormat[]) {
+        AV_PIX_FMT_YUV420P,
+        AV_PIX_FMT_NONE
+    },
+    .init_thread_copy      = ONLY_IF_THREADS_ENABLED(ff_rv34_decode_init_thread_copy),
+    .update_thread_context = ONLY_IF_THREADS_ENABLED(ff_rv34_decode_update_thread_context),
 };