1 files changed, 460 insertions, 0 deletions

diff --git a/media/libvpx/libvpx/vp8/decoder/onyxd_if.c b/media/libvpx/libvpx/vp8/decoder/onyxd_if.c
new file mode 100644
index 0000000000..2248345ba2
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/decoder/onyxd_if.c
@@ -0,0 +1,460 @@
+/*
+ *  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 "vp8/common/onyxc_int.h"
+#if CONFIG_POSTPROC
+#include "vp8/common/postproc.h"
+#endif
+#include "vp8/common/onyxd.h"
+#include "onyxd_int.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vp8/common/alloccommon.h"
+#include "vp8/common/common.h"
+#include "vp8/common/loopfilter.h"
+#include "vp8/common/swapyv12buffer.h"
+#include "vp8/common/threading.h"
+#include "decoderthreading.h"
+#include <stdio.h>
+#include <assert.h>
+
+#include "vp8/common/quant_common.h"
+#include "vp8/common/reconintra.h"
+#include "./vpx_dsp_rtcd.h"
+#include "./vpx_scale_rtcd.h"
+#include "vpx_scale/vpx_scale.h"
+#include "vp8/common/systemdependent.h"
+#include "vpx_ports/system_state.h"
+#include "vpx_ports/vpx_once.h"
+#include "vpx_ports/vpx_timer.h"
+#include "detokenize.h"
+#if CONFIG_ERROR_CONCEALMENT
+#include "error_concealment.h"
+#endif
+#if VPX_ARCH_ARM
+#include "vpx_ports/arm.h"
+#endif
+
+extern void vp8_init_loop_filter(VP8_COMMON *cm);
+static int get_free_fb(VP8_COMMON *cm);
+static void ref_cnt_fb(int *buf, int *idx, int new_idx);
+
+static void initialize_dec(void) {
+  static volatile int init_done = 0;
+
+  if (!init_done) {
+    vpx_dsp_rtcd();
+    vp8_init_intra_predictors();
+    init_done = 1;
+  }
+}
+
+static void remove_decompressor(VP8D_COMP *pbi) {
+#if CONFIG_ERROR_CONCEALMENT
+  vp8_de_alloc_overlap_lists(pbi);
+#endif
+  vp8_remove_common(&pbi->common);
+  vpx_free(pbi);
+}
+
+static struct VP8D_COMP *create_decompressor(VP8D_CONFIG *oxcf) {
+  VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));
+
+  if (!pbi) return NULL;
+
+  memset(pbi, 0, sizeof(VP8D_COMP));
+
+  if (setjmp(pbi->common.error.jmp)) {
+    pbi->common.error.setjmp = 0;
+    remove_decompressor(pbi);
+    return 0;
+  }
+
+  pbi->common.error.setjmp = 1;
+
+  vp8_create_common(&pbi->common);
+
+  pbi->common.current_video_frame = 0;
+  pbi->ready_for_new_data = 1;
+
+  /* vp8cx_init_de_quantizer() is first called here. Add check in
+   * frame_init_dequantizer() to avoid
+   *  unnecessary calling of vp8cx_init_de_quantizer() for every frame.
+   */
+  vp8cx_init_de_quantizer(pbi);
+
+  vp8_loop_filter_init(&pbi->common);
+
+  pbi->common.error.setjmp = 0;
+
+#if CONFIG_ERROR_CONCEALMENT
+  pbi->ec_enabled = oxcf->error_concealment;
+  pbi->overlaps = NULL;
+#else
+  (void)oxcf;
+  pbi->ec_enabled = 0;
+#endif
+  /* Error concealment is activated after a key frame has been
+   * decoded without errors when error concealment is enabled.
+   */
+  pbi->ec_active = 0;
+
+  pbi->decoded_key_frame = 0;
+
+  /* Independent partitions is activated when a frame updates the
+   * token probability table to have equal probabilities over the
+   * PREV_COEF context.
+   */
+  pbi->independent_partitions = 0;
+
+  vp8_setup_block_dptrs(&pbi->mb);
+
+  once(initialize_dec);
+
+  return pbi;
+}
+
+vpx_codec_err_t vp8dx_get_reference(VP8D_COMP *pbi,
+                                    enum vpx_ref_frame_type ref_frame_flag,
+                                    YV12_BUFFER_CONFIG *sd) {
+  VP8_COMMON *cm = &pbi->common;
+  int ref_fb_idx;
+
+  if (ref_frame_flag == VP8_LAST_FRAME) {
+    ref_fb_idx = cm->lst_fb_idx;
+  } else if (ref_frame_flag == VP8_GOLD_FRAME) {
+    ref_fb_idx = cm->gld_fb_idx;
+  } else if (ref_frame_flag == VP8_ALTR_FRAME) {
+    ref_fb_idx = cm->alt_fb_idx;
+  } else {
+    vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+                       "Invalid reference frame");
+    return pbi->common.error.error_code;
+  }
+
+  if (cm->yv12_fb[ref_fb_idx].y_height != sd->y_height ||
+      cm->yv12_fb[ref_fb_idx].y_width != sd->y_width ||
+      cm->yv12_fb[ref_fb_idx].uv_height != sd->uv_height ||
+      cm->yv12_fb[ref_fb_idx].uv_width != sd->uv_width) {
+    vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+                       "Incorrect buffer dimensions");
+  } else
+    vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd);
+
+  return pbi->common.error.error_code;
+}
+
+vpx_codec_err_t vp8dx_set_reference(VP8D_COMP *pbi,
+                                    enum vpx_ref_frame_type ref_frame_flag,
+                                    YV12_BUFFER_CONFIG *sd) {
+  VP8_COMMON *cm = &pbi->common;
+  int *ref_fb_ptr = NULL;
+  int free_fb;
+
+  if (ref_frame_flag == VP8_LAST_FRAME) {
+    ref_fb_ptr = &cm->lst_fb_idx;
+  } else if (ref_frame_flag == VP8_GOLD_FRAME) {
+    ref_fb_ptr = &cm->gld_fb_idx;
+  } else if (ref_frame_flag == VP8_ALTR_FRAME) {
+    ref_fb_ptr = &cm->alt_fb_idx;
+  } else {
+    vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+                       "Invalid reference frame");
+    return pbi->common.error.error_code;
+  }
+
+  if (cm->yv12_fb[*ref_fb_ptr].y_height != sd->y_height ||
+      cm->yv12_fb[*ref_fb_ptr].y_width != sd->y_width ||
+      cm->yv12_fb[*ref_fb_ptr].uv_height != sd->uv_height ||
+      cm->yv12_fb[*ref_fb_ptr].uv_width != sd->uv_width) {
+    vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+                       "Incorrect buffer dimensions");
+  } else {
+    /* Find an empty frame buffer. */
+    free_fb = get_free_fb(cm);
+    /* Decrease fb_idx_ref_cnt since it will be increased again in
+     * ref_cnt_fb() below. */
+    cm->fb_idx_ref_cnt[free_fb]--;
+
+    /* Manage the reference counters and copy image. */
+    ref_cnt_fb(cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb);
+    vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]);
+  }
+
+  return pbi->common.error.error_code;
+}
+
+static int get_free_fb(VP8_COMMON *cm) {
+  int i;
+  for (i = 0; i < NUM_YV12_BUFFERS; ++i) {
+    if (cm->fb_idx_ref_cnt[i] == 0) break;
+  }
+
+  assert(i < NUM_YV12_BUFFERS);
+  cm->fb_idx_ref_cnt[i] = 1;
+  return i;
+}
+
+static void ref_cnt_fb(int *buf, int *idx, int new_idx) {
+  if (buf[*idx] > 0) buf[*idx]--;
+
+  *idx = new_idx;
+
+  buf[new_idx]++;
+}
+
+/* If any buffer copy / swapping is signalled it should be done here. */
+static int swap_frame_buffers(VP8_COMMON *cm) {
+  int err = 0;
+
+  /* The alternate reference frame or golden frame can be updated
+   *  using the new, last, or golden/alt ref frame.  If it
+   *  is updated using the newly decoded frame it is a refresh.
+   *  An update using the last or golden/alt ref frame is a copy.
+   */
+  if (cm->copy_buffer_to_arf) {
+    int new_fb = 0;
+
+    if (cm->copy_buffer_to_arf == 1) {
+      new_fb = cm->lst_fb_idx;
+    } else if (cm->copy_buffer_to_arf == 2) {
+      new_fb = cm->gld_fb_idx;
+    } else {
+      err = -1;
+    }
+
+    ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb);
+  }
+
+  if (cm->copy_buffer_to_gf) {
+    int new_fb = 0;
+
+    if (cm->copy_buffer_to_gf == 1) {
+      new_fb = cm->lst_fb_idx;
+    } else if (cm->copy_buffer_to_gf == 2) {
+      new_fb = cm->alt_fb_idx;
+    } else {
+      err = -1;
+    }
+
+    ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb);
+  }
+
+  if (cm->refresh_golden_frame) {
+    ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx);
+  }
+
+  if (cm->refresh_alt_ref_frame) {
+    ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx);
+  }
+
+  if (cm->refresh_last_frame) {
+    ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx);
+
+    cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx];
+  } else {
+    cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx];
+  }
+
+  cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
+
+  return err;
+}
+
+static int check_fragments_for_errors(VP8D_COMP *pbi) {
+  if (!pbi->ec_active && pbi->fragments.count <= 1 &&
+      pbi->fragments.sizes[0] == 0) {
+    VP8_COMMON *cm = &pbi->common;
+
+    /* If error concealment is disabled we won't signal missing frames
+     * to the decoder.
+     */
+    if (cm->fb_idx_ref_cnt[cm->lst_fb_idx] > 1) {
+      /* The last reference shares buffer with another reference
+       * buffer. Move it to its own buffer before setting it as
+       * corrupt, otherwise we will make multiple buffers corrupt.
+       */
+      const int prev_idx = cm->lst_fb_idx;
+      cm->fb_idx_ref_cnt[prev_idx]--;
+      cm->lst_fb_idx = get_free_fb(cm);
+      vp8_yv12_copy_frame(&cm->yv12_fb[prev_idx], &cm->yv12_fb[cm->lst_fb_idx]);
+    }
+    /* This is used to signal that we are missing frames.
+     * We do not know if the missing frame(s) was supposed to update
+     * any of the reference buffers, but we act conservative and
+     * mark only the last buffer as corrupted.
+     */
+    cm->yv12_fb[cm->lst_fb_idx].corrupted = 1;
+
+    /* Signal that we have no frame to show. */
+    cm->show_frame = 0;
+
+    /* Nothing more to do. */
+    return 0;
+  }
+
+  return 1;
+}
+
+int vp8dx_receive_compressed_data(VP8D_COMP *pbi) {
+  VP8_COMMON *cm = &pbi->common;
+  int retcode = -1;
+
+  pbi->common.error.error_code = VPX_CODEC_OK;
+
+  retcode = check_fragments_for_errors(pbi);
+  if (retcode <= 0) return retcode;
+
+  cm->new_fb_idx = get_free_fb(cm);
+
+  /* setup reference frames for vp8_decode_frame */
+  pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx];
+  pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx];
+  pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx];
+  pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx];
+
+  retcode = vp8_decode_frame(pbi);
+
+  if (retcode < 0) {
+    if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0) {
+      cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
+    }
+
+    pbi->common.error.error_code = VPX_CODEC_ERROR;
+    // Propagate the error info.
+    if (pbi->mb.error_info.error_code != 0) {
+      pbi->common.error.error_code = pbi->mb.error_info.error_code;
+      memcpy(pbi->common.error.detail, pbi->mb.error_info.detail,
+             sizeof(pbi->mb.error_info.detail));
+    }
+    goto decode_exit;
+  }
+
+  if (swap_frame_buffers(cm)) {
+    pbi->common.error.error_code = VPX_CODEC_ERROR;
+    goto decode_exit;
+  }
+
+  vpx_clear_system_state();
+
+  if (cm->show_frame) {
+    cm->current_video_frame++;
+    cm->show_frame_mi = cm->mi;
+  }
+
+#if CONFIG_ERROR_CONCEALMENT
+  /* swap the mode infos to storage for future error concealment */
+  if (pbi->ec_enabled && pbi->common.prev_mi) {
+    MODE_INFO *tmp = pbi->common.prev_mi;
+    int row, col;
+    pbi->common.prev_mi = pbi->common.mi;
+    pbi->common.mi = tmp;
+
+    /* Propagate the segment_ids to the next frame */
+    for (row = 0; row < pbi->common.mb_rows; ++row) {
+      for (col = 0; col < pbi->common.mb_cols; ++col) {
+        const int i = row * pbi->common.mode_info_stride + col;
+        pbi->common.mi[i].mbmi.segment_id =
+            pbi->common.prev_mi[i].mbmi.segment_id;
+      }
+    }
+  }
+#endif
+
+  pbi->ready_for_new_data = 0;
+
+decode_exit:
+  vpx_clear_system_state();
+  return retcode;
+}
+int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd,
+                        vp8_ppflags_t *flags) {
+  int ret = -1;
+
+  if (pbi->ready_for_new_data == 1) return ret;
+
+  /* ie no raw frame to show!!! */
+  if (pbi->common.show_frame == 0) return ret;
+
+  pbi->ready_for_new_data = 1;
+
+#if CONFIG_POSTPROC
+  ret = vp8_post_proc_frame(&pbi->common, sd, flags);
+#else
+  (void)flags;
+
+  if (pbi->common.frame_to_show) {
+    *sd = *pbi->common.frame_to_show;
+    sd->y_width = pbi->common.Width;
+    sd->y_height = pbi->common.Height;
+    sd->uv_height = pbi->common.Height / 2;
+    ret = 0;
+  } else {
+    ret = -1;
+  }
+
+#endif /*!CONFIG_POSTPROC*/
+  vpx_clear_system_state();
+  return ret;
+}
+
+/* This function as written isn't decoder specific, but the encoder has
+ * much faster ways of computing this, so it's ok for it to live in a
+ * decode specific file.
+ */
+int vp8dx_references_buffer(VP8_COMMON *oci, int ref_frame) {
+  const MODE_INFO *mi = oci->mi;
+  int mb_row, mb_col;
+
+  for (mb_row = 0; mb_row < oci->mb_rows; ++mb_row) {
+    for (mb_col = 0; mb_col < oci->mb_cols; mb_col++, mi++) {
+      if (mi->mbmi.ref_frame == ref_frame) return 1;
+    }
+    mi++;
+  }
+  return 0;
+}
+
+int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf) {
+  /* decoder instance for single thread mode */
+  fb->pbi[0] = create_decompressor(oxcf);
+  if (!fb->pbi[0]) return VPX_CODEC_ERROR;
+
+#if CONFIG_MULTITHREAD
+  if (setjmp(fb->pbi[0]->common.error.jmp)) {
+    vp8_remove_decoder_instances(fb);
+    vp8_zero(fb->pbi);
+    vpx_clear_system_state();
+    return VPX_CODEC_ERROR;
+  }
+
+  fb->pbi[0]->common.error.setjmp = 1;
+  fb->pbi[0]->max_threads = oxcf->max_threads;
+  vp8_decoder_create_threads(fb->pbi[0]);
+  fb->pbi[0]->common.error.setjmp = 0;
+#endif
+  return VPX_CODEC_OK;
+}
+
+int vp8_remove_decoder_instances(struct frame_buffers *fb) {
+  VP8D_COMP *pbi = fb->pbi[0];
+
+  if (!pbi) return VPX_CODEC_ERROR;
+#if CONFIG_MULTITHREAD
+  vp8_decoder_remove_threads(pbi);
+#endif
+
+  /* decoder instance for single thread mode */
+  remove_decompressor(pbi);
+  return VPX_CODEC_OK;
+}
+
+int vp8dx_get_quantizer(const VP8D_COMP *pbi) {
+  return pbi->common.base_qindex;
+}