shithub: libvpx

Download patch

ref: deb10ac6f9a47632ab6ff0fdda9f07a9d9ad6e8c
parent: 33a29f3c35e686faef617625068eedad26d170c7
parent: 72033fcff8e1ce2e94f578910a1cfa77cd1bf533
author: Jingning Han <jingning@google.com>
date: Mon Oct 21 07:45:59 EDT 2013

Merge "Make memory alloc in pick_mode_context bsize aware"

--- a/vp9/encoder/vp9_block.h
+++ b/vp9/encoder/vp9_block.h
@@ -26,7 +26,8 @@
 // Structure to hold snapshot of coding context during the mode picking process
 typedef struct {
   MODE_INFO mic;
-  uint8_t zcoeff_blk[256];
+  uint8_t *zcoeff_blk;
+  int num_4x4_blk;
   int skip;
   int_mv best_ref_mv;
   int_mv second_best_ref_mv;
@@ -176,6 +177,45 @@
   void (*quantize_b_4x4)(MACROBLOCK *x, int b_idx, TX_TYPE tx_type,
                          int y_blocks);
 };
+
+// TODO(jingning): the variables used here are little complicated. need further
+// refactoring on organizing the temporary buffers, when recursive
+// partition down to 4x4 block size is enabled.
+static PICK_MODE_CONTEXT *get_block_context(MACROBLOCK *x, BLOCK_SIZE bsize) {
+  MACROBLOCKD *const xd = &x->e_mbd;
+
+  switch (bsize) {
+    case BLOCK_64X64:
+      return &x->sb64_context;
+    case BLOCK_64X32:
+      return &x->sb64x32_context[xd->sb_index];
+    case BLOCK_32X64:
+      return &x->sb32x64_context[xd->sb_index];
+    case BLOCK_32X32:
+      return &x->sb32_context[xd->sb_index];
+    case BLOCK_32X16:
+      return &x->sb32x16_context[xd->sb_index][xd->mb_index];
+    case BLOCK_16X32:
+      return &x->sb16x32_context[xd->sb_index][xd->mb_index];
+    case BLOCK_16X16:
+      return &x->mb_context[xd->sb_index][xd->mb_index];
+    case BLOCK_16X8:
+      return &x->sb16x8_context[xd->sb_index][xd->mb_index][xd->b_index];
+    case BLOCK_8X16:
+      return &x->sb8x16_context[xd->sb_index][xd->mb_index][xd->b_index];
+    case BLOCK_8X8:
+      return &x->sb8x8_context[xd->sb_index][xd->mb_index][xd->b_index];
+    case BLOCK_8X4:
+      return &x->sb8x4_context[xd->sb_index][xd->mb_index][xd->b_index];
+    case BLOCK_4X8:
+      return &x->sb4x8_context[xd->sb_index][xd->mb_index][xd->b_index];
+    case BLOCK_4X4:
+      return &x->ab4x4_context[xd->sb_index][xd->mb_index][xd->b_index];
+    default:
+      assert(0);
+      return NULL;
+  }
+}
 
 struct rdcost_block_args {
   MACROBLOCK *x;
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -410,7 +410,7 @@
 
   x->skip = ctx->skip;
   vpx_memcpy(x->zcoeff_blk[mbmi->tx_size], ctx->zcoeff_blk,
-             sizeof(ctx->zcoeff_blk));
+             sizeof(uint8_t) * ctx->num_4x4_blk);
 
   if (!output_enabled)
     return;
@@ -687,45 +687,6 @@
     // Count of last ref frame 0,0 usage
     if (mbmi->mode == ZEROMV && mbmi->ref_frame[0] == LAST_FRAME)
       cpi->inter_zz_count++;
-  }
-}
-
-// TODO(jingning): the variables used here are little complicated. need further
-// refactoring on organizing the temporary buffers, when recursive
-// partition down to 4x4 block size is enabled.
-static PICK_MODE_CONTEXT *get_block_context(MACROBLOCK *x, BLOCK_SIZE bsize) {
-  MACROBLOCKD *const xd = &x->e_mbd;
-
-  switch (bsize) {
-    case BLOCK_64X64:
-      return &x->sb64_context;
-    case BLOCK_64X32:
-      return &x->sb64x32_context[xd->sb_index];
-    case BLOCK_32X64:
-      return &x->sb32x64_context[xd->sb_index];
-    case BLOCK_32X32:
-      return &x->sb32_context[xd->sb_index];
-    case BLOCK_32X16:
-      return &x->sb32x16_context[xd->sb_index][xd->mb_index];
-    case BLOCK_16X32:
-      return &x->sb16x32_context[xd->sb_index][xd->mb_index];
-    case BLOCK_16X16:
-      return &x->mb_context[xd->sb_index][xd->mb_index];
-    case BLOCK_16X8:
-      return &x->sb16x8_context[xd->sb_index][xd->mb_index][xd->b_index];
-    case BLOCK_8X16:
-      return &x->sb8x16_context[xd->sb_index][xd->mb_index][xd->b_index];
-    case BLOCK_8X8:
-      return &x->sb8x8_context[xd->sb_index][xd->mb_index][xd->b_index];
-    case BLOCK_8X4:
-      return &x->sb8x4_context[xd->sb_index][xd->mb_index][xd->b_index];
-    case BLOCK_4X8:
-      return &x->sb4x8_context[xd->sb_index][xd->mb_index][xd->b_index];
-    case BLOCK_4X4:
-      return &x->ab4x4_context[xd->sb_index][xd->mb_index][xd->b_index];
-    default:
-      assert(0);
-      return NULL;
   }
 }
 
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -1416,6 +1416,94 @@
   } while (++i <= MV_MAX);
 }
 
+static void init_pick_mode_context(VP9_COMP *cpi) {
+  int i;
+  MACROBLOCK  *x  = &cpi->mb;
+  MACROBLOCKD *xd = &x->e_mbd;
+  VP9_COMMON  *cm = &cpi->common;
+
+  for (i = 0; i < BLOCK_SIZES; ++i) {
+    const int num_4x4_w = num_4x4_blocks_wide_lookup[i];
+    const int num_4x4_h = num_4x4_blocks_high_lookup[i];
+    const int num_4x4_blk = MAX(4, num_4x4_w * num_4x4_h);
+    if (i < BLOCK_16X16) {
+      for (xd->sb_index = 0; xd->sb_index < 4; ++xd->sb_index) {
+        for (xd->mb_index = 0; xd->mb_index < 4; ++xd->mb_index) {
+          for (xd->b_index = 0; xd->b_index < 16 / num_4x4_blk; ++xd->b_index) {
+            PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+            ctx->num_4x4_blk = num_4x4_blk;
+            CHECK_MEM_ERROR(cm, ctx->zcoeff_blk,
+                            vpx_calloc(num_4x4_blk, sizeof(uint8_t)));
+          }
+        }
+      }
+    } else if (i < BLOCK_32X32) {
+      for (xd->sb_index = 0; xd->sb_index < 4; ++xd->sb_index) {
+        for (xd->mb_index = 0; xd->mb_index < 64 / num_4x4_blk;
+                               ++xd->mb_index) {
+          PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+          ctx->num_4x4_blk = num_4x4_blk;
+          CHECK_MEM_ERROR(cm, ctx->zcoeff_blk,
+                          vpx_calloc(num_4x4_blk, sizeof(uint8_t)));
+        }
+      }
+    } else if (i < BLOCK_64X64) {
+      for (xd->sb_index = 0; xd->sb_index < 256 / num_4x4_blk; ++xd->sb_index) {
+        PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+        ctx->num_4x4_blk = num_4x4_blk;
+        CHECK_MEM_ERROR(cm, ctx->zcoeff_blk,
+                        vpx_calloc(num_4x4_blk, sizeof(uint8_t)));
+      }
+    } else {
+      PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+      ctx->num_4x4_blk = num_4x4_blk;
+      CHECK_MEM_ERROR(cm, ctx->zcoeff_blk,
+                      vpx_calloc(num_4x4_blk, sizeof(uint8_t)));
+    }
+  }
+}
+
+static void free_pick_mode_context(MACROBLOCK *x) {
+  int i;
+  MACROBLOCKD *xd = &x->e_mbd;
+
+  for (i = 0; i < BLOCK_SIZES; ++i) {
+    const int num_4x4_w = num_4x4_blocks_wide_lookup[i];
+    const int num_4x4_h = num_4x4_blocks_high_lookup[i];
+    const int num_4x4_blk = MAX(4, num_4x4_w * num_4x4_h);
+    if (i < BLOCK_16X16) {
+      for (xd->sb_index = 0; xd->sb_index < 4; ++xd->sb_index) {
+        for (xd->mb_index = 0; xd->mb_index < 4; ++xd->mb_index) {
+          for (xd->b_index = 0; xd->b_index < 16 / num_4x4_blk; ++xd->b_index) {
+            PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+            vpx_free(ctx->zcoeff_blk);
+            ctx->zcoeff_blk = 0;
+          }
+        }
+      }
+    } else if (i < BLOCK_32X32) {
+      for (xd->sb_index = 0; xd->sb_index < 4; ++xd->sb_index) {
+        for (xd->mb_index = 0; xd->mb_index < 64 / num_4x4_blk;
+                               ++xd->mb_index) {
+          PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+          vpx_free(ctx->zcoeff_blk);
+          ctx->zcoeff_blk = 0;
+        }
+      }
+    } else if (i < BLOCK_64X64) {
+      for (xd->sb_index = 0; xd->sb_index < 256 / num_4x4_blk; ++xd->sb_index) {
+        PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+        vpx_free(ctx->zcoeff_blk);
+        ctx->zcoeff_blk = 0;
+      }
+    } else {
+      PICK_MODE_CONTEXT *ctx = get_block_context(x, i);
+      vpx_free(ctx->zcoeff_blk);
+      ctx->zcoeff_blk = 0;
+    }
+  }
+}
+
 VP9_PTR vp9_create_compressor(VP9_CONFIG *oxcf) {
   int i, j;
   volatile union {
@@ -1452,6 +1540,8 @@
 
   init_config((VP9_PTR)cpi, oxcf);
 
+  init_pick_mode_context(cpi);
+
   cm->current_video_frame   = 0;
   cpi->kf_overspend_bits            = 0;
   cpi->kf_bitrate_adjustment        = 0;
@@ -1915,6 +2005,7 @@
 #endif
   }
 
+  free_pick_mode_context(&cpi->mb);
   dealloc_compressor_data(cpi);
   vpx_free(cpi->mb.ss);
   vpx_free(cpi->tok);
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -3577,7 +3577,7 @@
         best_mbmode = *mbmi;
         best_skip2 = this_skip2;
         vpx_memcpy(ctx->zcoeff_blk, x->zcoeff_blk[mbmi->tx_size],
-                   sizeof(ctx->zcoeff_blk));
+                   sizeof(uint8_t) * ctx->num_4x4_blk);
 
         // TODO(debargha): enhance this test with a better distortion prediction
         // based on qp, activity mask and history
@@ -4317,7 +4317,7 @@
         best_mbmode = *mbmi;
         best_skip2 = this_skip2;
         vpx_memcpy(ctx->zcoeff_blk, x->zcoeff_blk[mbmi->tx_size],
-                   sizeof(ctx->zcoeff_blk));
+                   sizeof(uint8_t) * ctx->num_4x4_blk);
 
         for (i = 0; i < 4; i++)
           best_bmodes[i] = xd->mi_8x8[0]->bmi[i];