(61d00a474) v0.9.7.1

2020-03-04 13:04:10 +01:00
parent 3c50efa5c9
commit 3c09ebe02f
5086 changed files with 786063 additions and 295871 deletions
@@ -0,0 +1,187 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vpx_config.h"
+#include "alloccommon.h"
+#include "blockd.h"
+#include "vpx_mem/vpx_mem.h"
+#include "onyxc_int.h"
+#include "findnearmv.h"
+#include "entropymode.h"
+#include "systemdependent.h"
+
+void vp8_de_alloc_frame_buffers(VP8_COMMON *oci) {
+  int i;
+  for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
+    vp8_yv12_de_alloc_frame_buffer(&oci->yv12_fb[i]);
+  }
+
+  vp8_yv12_de_alloc_frame_buffer(&oci->temp_scale_frame);
+#if CONFIG_POSTPROC
+  vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer);
+  if (oci->post_proc_buffer_int_used) {
+    vp8_yv12_de_alloc_frame_buffer(&oci->post_proc_buffer_int);
+  }
+
+  vpx_free(oci->pp_limits_buffer);
+  oci->pp_limits_buffer = NULL;
+
+  vpx_free(oci->postproc_state.generated_noise);
+  oci->postproc_state.generated_noise = NULL;
+#endif
+
+  vpx_free(oci->above_context);
+  vpx_free(oci->mip);
+#if CONFIG_ERROR_CONCEALMENT
+  vpx_free(oci->prev_mip);
+  oci->prev_mip = NULL;
+#endif
+
+  oci->above_context = NULL;
+  oci->mip = NULL;
+}
+
+int vp8_alloc_frame_buffers(VP8_COMMON *oci, int width, int height) {
+  int i;
+
+  vp8_de_alloc_frame_buffers(oci);
+
+  /* our internal buffers are always multiples of 16 */
+  if ((width & 0xf) != 0) width += 16 - (width & 0xf);
+
+  if ((height & 0xf) != 0) height += 16 - (height & 0xf);
+
+  for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
+    oci->fb_idx_ref_cnt[i] = 0;
+    oci->yv12_fb[i].flags = 0;
+    if (vp8_yv12_alloc_frame_buffer(&oci->yv12_fb[i], width, height,
+                                    VP8BORDERINPIXELS) < 0) {
+      goto allocation_fail;
+    }
+  }
+
+  oci->new_fb_idx = 0;
+  oci->lst_fb_idx = 1;
+  oci->gld_fb_idx = 2;
+  oci->alt_fb_idx = 3;
+
+  oci->fb_idx_ref_cnt[0] = 1;
+  oci->fb_idx_ref_cnt[1] = 1;
+  oci->fb_idx_ref_cnt[2] = 1;
+  oci->fb_idx_ref_cnt[3] = 1;
+
+  if (vp8_yv12_alloc_frame_buffer(&oci->temp_scale_frame, width, 16,
+                                  VP8BORDERINPIXELS) < 0) {
+    goto allocation_fail;
+  }
+
+  oci->mb_rows = height >> 4;
+  oci->mb_cols = width >> 4;
+  oci->MBs = oci->mb_rows * oci->mb_cols;
+  oci->mode_info_stride = oci->mb_cols + 1;
+  oci->mip =
+      vpx_calloc((oci->mb_cols + 1) * (oci->mb_rows + 1), sizeof(MODE_INFO));
+
+  if (!oci->mip) goto allocation_fail;
+
+  oci->mi = oci->mip + oci->mode_info_stride + 1;
+
+  /* Allocation of previous mode info will be done in vp8_decode_frame()
+   * as it is a decoder only data */
+
+  oci->above_context =
+      vpx_calloc(sizeof(ENTROPY_CONTEXT_PLANES) * oci->mb_cols, 1);
+
+  if (!oci->above_context) goto allocation_fail;
+
+#if CONFIG_POSTPROC
+  if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer, width, height,
+                                  VP8BORDERINPIXELS) < 0) {
+    goto allocation_fail;
+  }
+
+  oci->post_proc_buffer_int_used = 0;
+  memset(&oci->postproc_state, 0, sizeof(oci->postproc_state));
+  memset(oci->post_proc_buffer.buffer_alloc, 128,
+         oci->post_proc_buffer.frame_size);
+
+  /* Allocate buffer to store post-processing filter coefficients.
+   *
+   * Note: Round up mb_cols to support SIMD reads
+   */
+  oci->pp_limits_buffer = vpx_memalign(16, 24 * ((oci->mb_cols + 1) & ~1));
+  if (!oci->pp_limits_buffer) goto allocation_fail;
+#endif
+
+  return 0;
+
+allocation_fail:
+  vp8_de_alloc_frame_buffers(oci);
+  return 1;
+}
+
+void vp8_setup_version(VP8_COMMON *cm) {
+  switch (cm->version) {
+    case 0:
+      cm->no_lpf = 0;
+      cm->filter_type = NORMAL_LOOPFILTER;
+      cm->use_bilinear_mc_filter = 0;
+      cm->full_pixel = 0;
+      break;
+    case 1:
+      cm->no_lpf = 0;
+      cm->filter_type = SIMPLE_LOOPFILTER;
+      cm->use_bilinear_mc_filter = 1;
+      cm->full_pixel = 0;
+      break;
+    case 2:
+      cm->no_lpf = 1;
+      cm->filter_type = NORMAL_LOOPFILTER;
+      cm->use_bilinear_mc_filter = 1;
+      cm->full_pixel = 0;
+      break;
+    case 3:
+      cm->no_lpf = 1;
+      cm->filter_type = SIMPLE_LOOPFILTER;
+      cm->use_bilinear_mc_filter = 1;
+      cm->full_pixel = 1;
+      break;
+    default:
+      /*4,5,6,7 are reserved for future use*/
+      cm->no_lpf = 0;
+      cm->filter_type = NORMAL_LOOPFILTER;
+      cm->use_bilinear_mc_filter = 0;
+      cm->full_pixel = 0;
+      break;
+  }
+}
+void vp8_create_common(VP8_COMMON *oci) {
+  vp8_machine_specific_config(oci);
+
+  vp8_init_mbmode_probs(oci);
+  vp8_default_bmode_probs(oci->fc.bmode_prob);
+
+  oci->mb_no_coeff_skip = 1;
+  oci->no_lpf = 0;
+  oci->filter_type = NORMAL_LOOPFILTER;
+  oci->use_bilinear_mc_filter = 0;
+  oci->full_pixel = 0;
+  oci->multi_token_partition = ONE_PARTITION;
+  oci->clamp_type = RECON_CLAMP_REQUIRED;
+
+  /* Initialize reference frame sign bias structure to defaults */
+  memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias));
+
+  /* Default disable buffer to buffer copying */
+  oci->copy_buffer_to_gf = 0;
+  oci->copy_buffer_to_arf = 0;
+}
+
+void vp8_remove_common(VP8_COMMON *oci) { vp8_de_alloc_frame_buffers(oci); }