remove vp9_dthread.c

and the related prototypes in vp9_dthread.h. the last references were
removed in:
09dabc58d VP9_COMMON: rm frame_parallel_decode

vp9_dx_iface.c still uses FrameWorkerData

BUG=webm:1395

Change-Id: Ica8e98ae776fc0105f1fbbed9e0a729808980810

1 files changed, 0 insertions, 190 deletions

diff --git a/vp9/decoder/vp9_dthread.c b/vp9/decoder/vp9_dthread.c
deleted file mode 100644
index 52bc2a0f6..000000000
--- a/vp9/decoder/vp9_dthread.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- *  Copyright (c) 2014 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 "vpx_mem/vpx_mem.h"
-#include "vp9/common/vp9_reconinter.h"
-#include "vp9/decoder/vp9_dthread.h"
-#include "vp9/decoder/vp9_decoder.h"
-
-// #define DEBUG_THREAD
-
-// TODO(hkuang): Clean up all the #ifdef in this file.
-void vp9_frameworker_lock_stats(VPxWorker *const worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const worker_data = worker->data1;
-  pthread_mutex_lock(&worker_data->stats_mutex);
-#else
-  (void)worker;
-#endif
-}
-
-void vp9_frameworker_unlock_stats(VPxWorker *const worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const worker_data = worker->data1;
-  pthread_mutex_unlock(&worker_data->stats_mutex);
-#else
-  (void)worker;
-#endif
-}
-
-void vp9_frameworker_signal_stats(VPxWorker *const worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const worker_data = worker->data1;
-
-// TODO(hkuang): Fix the pthread_cond_broadcast in windows wrapper.
-#if defined(_WIN32) && !HAVE_PTHREAD_H
-  pthread_cond_signal(&worker_data->stats_cond);
-#else
-  pthread_cond_broadcast(&worker_data->stats_cond);
-#endif
-
-#else
-  (void)worker;
-#endif
-}
-
-// This macro prevents thread_sanitizer from reporting known concurrent writes.
-#if defined(__has_feature)
-#if __has_feature(thread_sanitizer)
-#define BUILDING_WITH_TSAN
-#endif
-#endif
-
-// TODO(hkuang): Remove worker parameter as it is only used in debug code.
-void vp9_frameworker_wait(VPxWorker *const worker, RefCntBuffer *const ref_buf,
-                          int row) {
-#if CONFIG_MULTITHREAD
-  if (!ref_buf) return;
-
-#ifndef BUILDING_WITH_TSAN
-  // The following line of code will get harmless tsan error but it is the key
-  // to get best performance.
-  if (ref_buf->row >= row && ref_buf->buf.corrupted != 1) return;
-#endif
-
-  {
-    // Find the worker thread that owns the reference frame. If the reference
-    // frame has been fully decoded, it may not have owner.
-    VPxWorker *const ref_worker = ref_buf->frame_worker_owner;
-    FrameWorkerData *const ref_worker_data =
-        (FrameWorkerData *)ref_worker->data1;
-    const VP9Decoder *const pbi = ref_worker_data->pbi;
-
-#ifdef DEBUG_THREAD
-    {
-      FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1;
-      printf("%d %p worker is waiting for %d %p worker (%d)  ref %d \r\n",
-             worker_data->worker_id, worker, ref_worker_data->worker_id,
-             ref_buf->frame_worker_owner, row, ref_buf->row);
-    }
-#endif
-
-    vp9_frameworker_lock_stats(ref_worker);
-    while (ref_buf->row < row && pbi->cur_buf == ref_buf &&
-           ref_buf->buf.corrupted != 1) {
-      pthread_cond_wait(&ref_worker_data->stats_cond,
-                        &ref_worker_data->stats_mutex);
-    }
-
-    if (ref_buf->buf.corrupted == 1) {
-      FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1;
-      vp9_frameworker_unlock_stats(ref_worker);
-      vpx_internal_error(&worker_data->pbi->common.error,
-                         VPX_CODEC_CORRUPT_FRAME,
-                         "Worker %p failed to decode frame", worker);
-    }
-    vp9_frameworker_unlock_stats(ref_worker);
-  }
-#else
-  (void)worker;
-  (void)ref_buf;
-  (void)row;
-  (void)ref_buf;
-#endif  // CONFIG_MULTITHREAD
-}
-
-void vp9_frameworker_broadcast(RefCntBuffer *const buf, int row) {
-#if CONFIG_MULTITHREAD
-  VPxWorker *worker = buf->frame_worker_owner;
-
-#ifdef DEBUG_THREAD
-  {
-    FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1;
-    printf("%d %p worker decode to (%d) \r\n", worker_data->worker_id,
-           buf->frame_worker_owner, row);
-  }
-#endif
-
-  vp9_frameworker_lock_stats(worker);
-  buf->row = row;
-  vp9_frameworker_signal_stats(worker);
-  vp9_frameworker_unlock_stats(worker);
-#else
-  (void)buf;
-  (void)row;
-#endif  // CONFIG_MULTITHREAD
-}
-
-void vp9_frameworker_copy_context(VPxWorker *const dst_worker,
-                                  VPxWorker *const src_worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const src_worker_data = (FrameWorkerData *)src_worker->data1;
-  FrameWorkerData *const dst_worker_data = (FrameWorkerData *)dst_worker->data1;
-  VP9_COMMON *const src_cm = &src_worker_data->pbi->common;
-  VP9_COMMON *const dst_cm = &dst_worker_data->pbi->common;
-  int i;
-
-  // Wait until source frame's context is ready.
-  vp9_frameworker_lock_stats(src_worker);
-  while (!src_worker_data->frame_context_ready) {
-    pthread_cond_wait(&src_worker_data->stats_cond,
-                      &src_worker_data->stats_mutex);
-  }
-
-  dst_cm->last_frame_seg_map = src_cm->seg.enabled
-                                   ? src_cm->current_frame_seg_map
-                                   : src_cm->last_frame_seg_map;
-  dst_worker_data->pbi->need_resync = src_worker_data->pbi->need_resync;
-  vp9_frameworker_unlock_stats(src_worker);
-
-  dst_cm->bit_depth = src_cm->bit_depth;
-#if CONFIG_VP9_HIGHBITDEPTH
-  dst_cm->use_highbitdepth = src_cm->use_highbitdepth;
-#endif
-  dst_cm->prev_frame =
-      src_cm->show_existing_frame ? src_cm->prev_frame : src_cm->cur_frame;
-  dst_cm->last_width =
-      !src_cm->show_existing_frame ? src_cm->width : src_cm->last_width;
-  dst_cm->last_height =
-      !src_cm->show_existing_frame ? src_cm->height : src_cm->last_height;
-  dst_cm->subsampling_x = src_cm->subsampling_x;
-  dst_cm->subsampling_y = src_cm->subsampling_y;
-  dst_cm->frame_type = src_cm->frame_type;
-  dst_cm->last_show_frame = !src_cm->show_existing_frame
-                                ? src_cm->show_frame
-                                : src_cm->last_show_frame;
-  for (i = 0; i < REF_FRAMES; ++i)
-    dst_cm->ref_frame_map[i] = src_cm->next_ref_frame_map[i];
-
-  memcpy(dst_cm->lf_info.lfthr, src_cm->lf_info.lfthr,
-         (MAX_LOOP_FILTER + 1) * sizeof(loop_filter_thresh));
-  dst_cm->lf.last_sharpness_level = src_cm->lf.sharpness_level;
-  dst_cm->lf.filter_level = src_cm->lf.filter_level;
-  memcpy(dst_cm->lf.ref_deltas, src_cm->lf.ref_deltas, MAX_REF_LF_DELTAS);
-  memcpy(dst_cm->lf.mode_deltas, src_cm->lf.mode_deltas, MAX_MODE_LF_DELTAS);
-  dst_cm->seg = src_cm->seg;
-  memcpy(dst_cm->frame_contexts, src_cm->frame_contexts,
-         FRAME_CONTEXTS * sizeof(dst_cm->frame_contexts[0]));
-#else
-  (void)dst_worker;
-  (void)src_worker;
-#endif  // CONFIG_MULTITHREAD
-}