libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_decoder.c

 /*
  *  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.
  */
 
@@ skipping 14 matching lines @@
 #include "vp9/common/vp9_postproc.h"
 #endif
 #include "vp9/common/vp9_quant_common.h"
 #include "vp9/common/vp9_systemdependent.h"
 
 #include "vp9/decoder/vp9_decodeframe.h"
 #include "vp9/decoder/vp9_decoder.h"
 #include "vp9/decoder/vp9_detokenize.h"
 #include "vp9/decoder/vp9_dthread.h"
 
-void vp9_initialize_dec() {
+static void initialize_dec() {
   static int init_done = 0;
 
   if (!init_done) {
     vp9_init_neighbors();
     vp9_init_quant_tables();
     init_done = 1;
   }
 }
 
 VP9Decoder *vp9_decoder_create() {
   VP9Decoder *const pbi = vpx_memalign(32, sizeof(*pbi));
   VP9_COMMON *const cm = pbi ? &pbi->common : NULL;
 
   if (!cm)
     return NULL;
 
   vp9_zero(*pbi);
 
   if (setjmp(cm->error.jmp)) {
     cm->error.setjmp = 0;
     vp9_decoder_remove(pbi);
     return NULL;
   }
 
   cm->error.setjmp = 1;
-  vp9_initialize_dec();
+  initialize_dec();
 
   vp9_rtcd();
 
   // Initialize the references to not point to any frame buffers.
   vpx_memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
 
   cm->current_video_frame = 0;
   pbi->ready_for_new_data = 1;
-  pbi->decoded_key_frame = 0;
 
   // vp9_init_dequantizer() is first called here. Add check in
   // frame_init_dequantizer() to avoid unnecessary calling of
   // vp9_init_dequantizer() for every frame.
   vp9_init_dequantizer(cm);
 
   vp9_loop_filter_init(cm);
 
   cm->error.setjmp = 0;
 
   vp9_worker_init(&pbi->lf_worker);
 
   return pbi;
 }
 
 void vp9_decoder_remove(VP9Decoder *pbi) {
   VP9_COMMON *const cm = &pbi->common;
   int i;
 
   vp9_remove_common(cm);
   vp9_worker_end(&pbi->lf_worker);
   vpx_free(pbi->lf_worker.data1);
+  vpx_free(pbi->tile_data);
   for (i = 0; i < pbi->num_tile_workers; ++i) {
     VP9Worker *const worker = &pbi->tile_workers[i];
     vp9_worker_end(worker);
     vpx_free(worker->data1);
     vpx_free(worker->data2);
   }
   vpx_free(pbi->tile_workers);
 
   if (pbi->num_tile_workers) {
     const int sb_rows =
@@ skipping 101 matching lines @@
       ref_cnt_fb(cm->frame_bufs, &cm->ref_frame_map[ref_index],
                  cm->new_fb_idx);
       if (old_idx >= 0 && cm->frame_bufs[old_idx].ref_count == 0)
         cm->release_fb_cb(cm->cb_priv,
                           &cm->frame_bufs[old_idx].raw_frame_buffer);
     }
     ++ref_index;
   }
 
   cm->frame_to_show = get_frame_new_buffer(cm);
-  cm->frame_bufs[cm->new_fb_idx].ref_count--;
+
+  if (!pbi->frame_parallel_decode || !cm->show_frame) {
+    --cm->frame_bufs[cm->new_fb_idx].ref_count;
+  }
 
   // Invalidate these references until the next frame starts.
   for (ref_index = 0; ref_index < 3; ref_index++)
     cm->frame_refs[ref_index].idx = INT_MAX;
 }
 
 int vp9_receive_compressed_data(VP9Decoder *pbi,
-                                size_t size, const uint8_t **psource,
-                                int64_t time_stamp) {
+                                size_t size, const uint8_t **psource) {
   VP9_COMMON *const cm = &pbi->common;
   const uint8_t *source = *psource;
   int retcode = 0;
 
   cm->error.error_code = VPX_CODEC_OK;
 
   if (size == 0) {
     // 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.
     //
     // TODO(jkoleszar): Error concealment is undefined and non-normative
     // at this point, but if it becomes so, [0] may not always be the correct
     // thing to do here.
     if (cm->frame_refs[0].idx != INT_MAX)
       cm->frame_refs[0].buf->corrupted = 1;
   }
 
   // Check if the previous frame was a frame without any references to it.
-  if (cm->new_fb_idx >= 0 && cm->frame_bufs[cm->new_fb_idx].ref_count == 0)
+  // Release frame buffer if not decoding in frame parallel mode.
+  if (!pbi->frame_parallel_decode && cm->new_fb_idx >= 0 &&
+         cm->frame_bufs[cm->new_fb_idx].ref_count == 0)
     cm->release_fb_cb(cm->cb_priv,
                       &cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer);
   cm->new_fb_idx = get_free_fb(cm);
 
   if (setjmp(cm->error.jmp)) {
     cm->error.setjmp = 0;
 
     // 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.
     //
     // TODO(jkoleszar): Error concealment is undefined and non-normative
     // at this point, but if it becomes so, [0] may not always be the correct
     // thing to do here.
     if (cm->frame_refs[0].idx != INT_MAX)
       cm->frame_refs[0].buf->corrupted = 1;
 
     if (cm->frame_bufs[cm->new_fb_idx].ref_count > 0)
       cm->frame_bufs[cm->new_fb_idx].ref_count--;
 
     return -1;
   }
 
   cm->error.setjmp = 1;
 
-  retcode = vp9_decode_frame(pbi, source, source + size, psource);
-
-  if (retcode < 0) {
-    cm->error.error_code = VPX_CODEC_ERROR;
-    cm->error.setjmp = 0;
-    if (cm->frame_bufs[cm->new_fb_idx].ref_count > 0)
-      cm->frame_bufs[cm->new_fb_idx].ref_count--;
-    return retcode;
-  }
+  vp9_decode_frame(pbi, source, source + size, psource);
 
   swap_frame_buffers(pbi);
 
   vp9_clear_system_state();
 
   cm->last_width = cm->width;
   cm->last_height = cm->height;
 
   if (!cm->show_existing_frame)
     cm->last_show_frame = cm->show_frame;
   if (cm->show_frame) {
     if (!cm->show_existing_frame)
       vp9_swap_mi_and_prev_mi(cm);
 
     cm->current_video_frame++;
   }
 
   pbi->ready_for_new_data = 0;
-  pbi->last_time_stamp = time_stamp;
 
   cm->error.setjmp = 0;
   return retcode;
 }
 
 int vp9_get_raw_frame(VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd,
-                      int64_t *time_stamp, int64_t *time_end_stamp,
                       vp9_ppflags_t *flags) {
   int ret = -1;
 #if !CONFIG_VP9_POSTPROC
   (void)*flags;
 #endif
 
   if (pbi->ready_for_new_data == 1)
     return ret;
 
   /* no raw frame to show!!! */
   if (pbi->common.show_frame == 0)
     return ret;
 
   pbi->ready_for_new_data = 1;
-  *time_stamp = pbi->last_time_stamp;
-  *time_end_stamp = 0;
 
 #if CONFIG_VP9_POSTPROC
   ret = vp9_post_proc_frame(&pbi->common, sd, flags);
 #else
   *sd = *pbi->common.frame_to_show;
   ret = 0;
 #endif /*!CONFIG_POSTPROC*/
   vp9_clear_system_state();
   return ret;
 }