Merge branch 'master' into Sync-weave

1 files changed, 1328 insertions, 0 deletions

diff --git a/third_party/aom/av1/av1_dx_iface.c b/third_party/aom/av1/av1_dx_iface.c
new file mode 100644
index 000000000..4a6631047
--- /dev/null
+++ b/third_party/aom/av1/av1_dx_iface.c
@@ -0,0 +1,1328 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "config/aom_config.h"
+#include "config/aom_version.h"
+
+#include "aom/internal/aom_codec_internal.h"
+#include "aom/aomdx.h"
+#include "aom/aom_decoder.h"
+#include "aom_dsp/bitreader_buffer.h"
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_ports/mem_ops.h"
+#include "aom_util/aom_thread.h"
+
+#include "av1/common/alloccommon.h"
+#include "av1/common/frame_buffers.h"
+#include "av1/common/enums.h"
+#include "av1/common/obu_util.h"
+
+#include "av1/decoder/decoder.h"
+#include "av1/decoder/decodeframe.h"
+#include "av1/decoder/obu.h"
+
+#include "av1/av1_iface_common.h"
+
+struct aom_codec_alg_priv {
+  aom_codec_priv_t base;
+  aom_codec_dec_cfg_t cfg;
+  aom_codec_stream_info_t si;
+  int postproc_cfg_set;
+  aom_postproc_cfg_t postproc_cfg;
+  aom_image_t img;
+  int img_avail;
+  int flushed;
+  int invert_tile_order;
+  int last_show_frame;  // Index of last output frame.
+  int byte_alignment;
+  int skip_loop_filter;
+  int skip_film_grain;
+  int decode_tile_row;
+  int decode_tile_col;
+  unsigned int tile_mode;
+  unsigned int ext_tile_debug;
+  unsigned int row_mt;
+  EXTERNAL_REFERENCES ext_refs;
+  unsigned int is_annexb;
+  int operating_point;
+  int output_all_layers;
+
+  AVxWorker *frame_workers;
+  int num_frame_workers;
+  int next_submit_worker_id;
+  int last_submit_worker_id;
+  int next_output_worker_id;
+  int available_threads;
+  aom_image_t *image_with_grain[MAX_NUM_SPATIAL_LAYERS];
+  int need_resync;  // wait for key/intra-only frame
+  // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
+  BufferPool *buffer_pool;
+
+  // External frame buffer info to save for AV1 common.
+  void *ext_priv;  // Private data associated with the external frame buffers.
+  aom_get_frame_buffer_cb_fn_t get_ext_fb_cb;
+  aom_release_frame_buffer_cb_fn_t release_ext_fb_cb;
+
+#if CONFIG_INSPECTION
+  aom_inspect_cb inspect_cb;
+  void *inspect_ctx;
+#endif
+};
+
+static aom_codec_err_t decoder_init(aom_codec_ctx_t *ctx,
+                                    aom_codec_priv_enc_mr_cfg_t *data) {
+  // This function only allocates space for the aom_codec_alg_priv_t
+  // structure. More memory may be required at the time the stream
+  // information becomes known.
+  (void)data;
+
+  if (!ctx->priv) {
+    aom_codec_alg_priv_t *const priv =
+        (aom_codec_alg_priv_t *)aom_calloc(1, sizeof(*priv));
+    if (priv == NULL) return AOM_CODEC_MEM_ERROR;
+
+    ctx->priv = (aom_codec_priv_t *)priv;
+    ctx->priv->init_flags = ctx->init_flags;
+    priv->flushed = 0;
+
+    // TODO(tdaede): this should not be exposed to the API
+    priv->cfg.allow_lowbitdepth = CONFIG_LOWBITDEPTH;
+    if (ctx->config.dec) {
+      priv->cfg = *ctx->config.dec;
+      ctx->config.dec = &priv->cfg;
+      // default values
+      priv->cfg.cfg.ext_partition = 1;
+    }
+    av1_zero(priv->image_with_grain);
+    // Turn row_mt on by default.
+    priv->row_mt = 1;
+
+    // Turn on normal tile coding mode by default.
+    // 0 is for normal tile coding mode, and 1 is for large scale tile coding
+    // mode(refer to lightfield example).
+    priv->tile_mode = 0;
+    priv->decode_tile_row = -1;
+    priv->decode_tile_col = -1;
+  }
+
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t decoder_destroy(aom_codec_alg_priv_t *ctx) {
+  if (ctx->frame_workers != NULL) {
+    int i;
+    for (i = 0; i < ctx->num_frame_workers; ++i) {
+      AVxWorker *const worker = &ctx->frame_workers[i];
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      aom_get_worker_interface()->end(worker);
+      aom_free(frame_worker_data->pbi->common.tpl_mvs);
+      frame_worker_data->pbi->common.tpl_mvs = NULL;
+      av1_remove_common(&frame_worker_data->pbi->common);
+      av1_free_restoration_buffers(&frame_worker_data->pbi->common);
+      av1_decoder_remove(frame_worker_data->pbi);
+      aom_free(frame_worker_data->scratch_buffer);
+#if CONFIG_MULTITHREAD
+      pthread_mutex_destroy(&frame_worker_data->stats_mutex);
+      pthread_cond_destroy(&frame_worker_data->stats_cond);
+#endif
+      aom_free(frame_worker_data);
+    }
+#if CONFIG_MULTITHREAD
+    pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
+#endif
+  }
+
+  if (ctx->buffer_pool) {
+    av1_free_ref_frame_buffers(ctx->buffer_pool);
+    av1_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
+  }
+
+  aom_free(ctx->frame_workers);
+  aom_free(ctx->buffer_pool);
+  for (int i = 0; i < MAX_NUM_SPATIAL_LAYERS; i++) {
+    if (ctx->image_with_grain[i]) aom_img_free(ctx->image_with_grain[i]);
+  }
+  aom_free(ctx);
+  return AOM_CODEC_OK;
+}
+
+// Parses the operating points (including operating_point_idc, seq_level_idx,
+// and seq_tier) and then sets si->number_spatial_layers and
+// si->number_temporal_layers based on operating_point_idc[0].
+static aom_codec_err_t parse_operating_points(struct aom_read_bit_buffer *rb,
+                                              int is_reduced_header,
+                                              aom_codec_stream_info_t *si) {
+  int operating_point_idc0 = 0;
+
+  if (is_reduced_header) {
+    aom_rb_read_literal(rb, LEVEL_BITS);  // level
+  } else {
+    const uint8_t operating_points_cnt_minus_1 =
+        aom_rb_read_literal(rb, OP_POINTS_CNT_MINUS_1_BITS);
+    for (int i = 0; i < operating_points_cnt_minus_1 + 1; i++) {
+      int operating_point_idc;
+      operating_point_idc = aom_rb_read_literal(rb, OP_POINTS_IDC_BITS);
+      if (i == 0) operating_point_idc0 = operating_point_idc;
+      int seq_level_idx = aom_rb_read_literal(rb, LEVEL_BITS);  // level
+      if (seq_level_idx > 7) aom_rb_read_bit(rb);               // tier
+    }
+  }
+
+  if (aom_get_num_layers_from_operating_point_idc(
+          operating_point_idc0, &si->number_spatial_layers,
+          &si->number_temporal_layers) != AOM_CODEC_OK) {
+    return AOM_CODEC_ERROR;
+  }
+
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t decoder_peek_si_internal(const uint8_t *data,
+                                                size_t data_sz,
+                                                aom_codec_stream_info_t *si,
+                                                int *is_intra_only) {
+  int intra_only_flag = 0;
+  int got_sequence_header = 0;
+  int found_keyframe = 0;
+
+  if (data + data_sz <= data || data_sz < 1) return AOM_CODEC_INVALID_PARAM;
+
+  si->w = 0;
+  si->h = 0;
+  si->is_kf = 0;  // is_kf indicates whether the current packet contains a RAP
+
+  ObuHeader obu_header;
+  memset(&obu_header, 0, sizeof(obu_header));
+  size_t payload_size = 0;
+  size_t bytes_read = 0;
+  int reduced_still_picture_hdr = 0;
+  aom_codec_err_t status = aom_read_obu_header_and_size(
+      data, data_sz, si->is_annexb, &obu_header, &payload_size, &bytes_read);
+  if (status != AOM_CODEC_OK) return status;
+
+  // If the first OBU is a temporal delimiter, skip over it and look at the next
+  // OBU in the bitstream
+  if (obu_header.type == OBU_TEMPORAL_DELIMITER) {
+    // Skip any associated payload (there shouldn't be one, but just in case)
+    if (data_sz < bytes_read + payload_size) return AOM_CODEC_CORRUPT_FRAME;
+    data += bytes_read + payload_size;
+    data_sz -= bytes_read + payload_size;
+
+    status = aom_read_obu_header_and_size(
+        data, data_sz, si->is_annexb, &obu_header, &payload_size, &bytes_read);
+    if (status != AOM_CODEC_OK) return status;
+  }
+  while (1) {
+    data += bytes_read;
+    data_sz -= bytes_read;
+    if (data_sz < payload_size) return AOM_CODEC_CORRUPT_FRAME;
+    // Check that the selected OBU is a sequence header
+    if (obu_header.type == OBU_SEQUENCE_HEADER) {
+      // Sanity check on sequence header size
+      if (data_sz < 2) return AOM_CODEC_CORRUPT_FRAME;
+      // Read a few values from the sequence header payload
+      struct aom_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
+
+      av1_read_profile(&rb);  // profile
+      const int still_picture = aom_rb_read_bit(&rb);
+      reduced_still_picture_hdr = aom_rb_read_bit(&rb);
+
+      if (!still_picture && reduced_still_picture_hdr) {
+        return AOM_CODEC_UNSUP_BITSTREAM;
+      }
+
+      if (parse_operating_points(&rb, reduced_still_picture_hdr, si) !=
+          AOM_CODEC_OK) {
+        return AOM_CODEC_ERROR;
+      }
+
+      int num_bits_width = aom_rb_read_literal(&rb, 4) + 1;
+      int num_bits_height = aom_rb_read_literal(&rb, 4) + 1;
+      int max_frame_width = aom_rb_read_literal(&rb, num_bits_width) + 1;
+      int max_frame_height = aom_rb_read_literal(&rb, num_bits_height) + 1;
+      si->w = max_frame_width;
+      si->h = max_frame_height;
+      got_sequence_header = 1;
+    } else if (obu_header.type == OBU_FRAME_HEADER ||
+               obu_header.type == OBU_FRAME) {
+      if (got_sequence_header && reduced_still_picture_hdr) {
+        found_keyframe = 1;
+        break;
+      } else {
+        // make sure we have enough bits to get the frame type out
+        if (data_sz < 1) return AOM_CODEC_CORRUPT_FRAME;
+        struct aom_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
+        const int show_existing_frame = aom_rb_read_bit(&rb);
+        if (!show_existing_frame) {
+          const FRAME_TYPE frame_type = (FRAME_TYPE)aom_rb_read_literal(&rb, 2);
+          if (frame_type == KEY_FRAME) {
+            found_keyframe = 1;
+            break;  // Stop here as no further OBUs will change the outcome.
+          }
+        }
+      }
+    }
+    // skip past any unread OBU header data
+    data += payload_size;
+    data_sz -= payload_size;
+    if (data_sz == 0) break;  // exit if we're out of OBUs
+    status = aom_read_obu_header_and_size(
+        data, data_sz, si->is_annexb, &obu_header, &payload_size, &bytes_read);
+    if (status != AOM_CODEC_OK) return status;
+  }
+  if (got_sequence_header && found_keyframe) si->is_kf = 1;
+  if (is_intra_only != NULL) *is_intra_only = intra_only_flag;
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t decoder_peek_si(const uint8_t *data, size_t data_sz,
+                                       aom_codec_stream_info_t *si) {
+  return decoder_peek_si_internal(data, data_sz, si, NULL);
+}
+
+static aom_codec_err_t decoder_get_si(aom_codec_alg_priv_t *ctx,
+                                      aom_codec_stream_info_t *si) {
+  memcpy(si, &ctx->si, sizeof(*si));
+
+  return AOM_CODEC_OK;
+}
+
+static void set_error_detail(aom_codec_alg_priv_t *ctx,
+                             const char *const error) {
+  ctx->base.err_detail = error;
+}
+
+static aom_codec_err_t update_error_state(
+    aom_codec_alg_priv_t *ctx, const struct aom_internal_error_info *error) {
+  if (error->error_code)
+    set_error_detail(ctx, error->has_detail ? error->detail : NULL);
+
+  return error->error_code;
+}
+
+static void init_buffer_callbacks(aom_codec_alg_priv_t *ctx) {
+  int i;
+
+  for (i = 0; i < ctx->num_frame_workers; ++i) {
+    AVxWorker *const worker = &ctx->frame_workers[i];
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    AV1_COMMON *const cm = &frame_worker_data->pbi->common;
+    BufferPool *const pool = cm->buffer_pool;
+
+    cm->new_fb_idx = INVALID_IDX;
+    cm->byte_alignment = ctx->byte_alignment;
+    cm->skip_loop_filter = ctx->skip_loop_filter;
+    cm->skip_film_grain = ctx->skip_film_grain;
+
+    if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
+      pool->get_fb_cb = ctx->get_ext_fb_cb;
+      pool->release_fb_cb = ctx->release_ext_fb_cb;
+      pool->cb_priv = ctx->ext_priv;
+    } else {
+      pool->get_fb_cb = av1_get_frame_buffer;
+      pool->release_fb_cb = av1_release_frame_buffer;
+
+      if (av1_alloc_internal_frame_buffers(&pool->int_frame_buffers))
+        aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
+                           "Failed to initialize internal frame buffers");
+
+      pool->cb_priv = &pool->int_frame_buffers;
+    }
+  }
+}
+
+static void set_default_ppflags(aom_postproc_cfg_t *cfg) {
+  cfg->post_proc_flag = AOM_DEBLOCK | AOM_DEMACROBLOCK;
+  cfg->deblocking_level = 4;
+  cfg->noise_level = 0;
+}
+
+static int frame_worker_hook(void *arg1, void *arg2) {
+  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1;
+  const uint8_t *data = frame_worker_data->data;
+  (void)arg2;
+
+  int result = av1_receive_compressed_data(frame_worker_data->pbi,
+                                           frame_worker_data->data_size, &data);
+  frame_worker_data->data_end = data;
+
+  if (result != 0) {
+    // Check decode result in serial decode.
+    frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
+    frame_worker_data->pbi->need_resync = 1;
+  }
+  return !result;
+}
+
+static aom_codec_err_t init_decoder(aom_codec_alg_priv_t *ctx) {
+  int i;
+  const AVxWorkerInterface *const winterface = aom_get_worker_interface();
+
+  ctx->last_show_frame = -1;
+  ctx->next_submit_worker_id = 0;
+  ctx->last_submit_worker_id = 0;
+  ctx->next_output_worker_id = 0;
+  ctx->need_resync = 1;
+  ctx->num_frame_workers = 1;
+  if (ctx->num_frame_workers > MAX_DECODE_THREADS)
+    ctx->num_frame_workers = MAX_DECODE_THREADS;
+  ctx->available_threads = ctx->num_frame_workers;
+  ctx->flushed = 0;
+
+  ctx->buffer_pool = (BufferPool *)aom_calloc(1, sizeof(BufferPool));
+  if (ctx->buffer_pool == NULL) return AOM_CODEC_MEM_ERROR;
+
+#if CONFIG_MULTITHREAD
+  if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) {
+    set_error_detail(ctx, "Failed to allocate buffer pool mutex");
+    return AOM_CODEC_MEM_ERROR;
+  }
+#endif
+
+  ctx->frame_workers = (AVxWorker *)aom_malloc(ctx->num_frame_workers *
+                                               sizeof(*ctx->frame_workers));
+  if (ctx->frame_workers == NULL) {
+    set_error_detail(ctx, "Failed to allocate frame_workers");
+    return AOM_CODEC_MEM_ERROR;
+  }
+
+  for (i = 0; i < ctx->num_frame_workers; ++i) {
+    AVxWorker *const worker = &ctx->frame_workers[i];
+    FrameWorkerData *frame_worker_data = NULL;
+    winterface->init(worker);
+    worker->data1 = aom_memalign(32, sizeof(FrameWorkerData));
+    if (worker->data1 == NULL) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data");
+      return AOM_CODEC_MEM_ERROR;
+    }
+    frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi = av1_decoder_create(ctx->buffer_pool);
+    if (frame_worker_data->pbi == NULL) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data");
+      return AOM_CODEC_MEM_ERROR;
+    }
+    frame_worker_data->pbi->common.options = &ctx->cfg.cfg;
+    frame_worker_data->pbi->frame_worker_owner = worker;
+    frame_worker_data->worker_id = i;
+    frame_worker_data->scratch_buffer = NULL;
+    frame_worker_data->scratch_buffer_size = 0;
+    frame_worker_data->frame_context_ready = 0;
+    frame_worker_data->received_frame = 0;
+#if CONFIG_MULTITHREAD
+    if (pthread_mutex_init(&frame_worker_data->stats_mutex, NULL)) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data mutex");
+      return AOM_CODEC_MEM_ERROR;
+    }
+
+    if (pthread_cond_init(&frame_worker_data->stats_cond, NULL)) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data cond");
+      return AOM_CODEC_MEM_ERROR;
+    }
+#endif
+    frame_worker_data->pbi->allow_lowbitdepth = ctx->cfg.allow_lowbitdepth;
+
+    // If decoding in serial mode, FrameWorker thread could create tile worker
+    // thread or loopfilter thread.
+    frame_worker_data->pbi->max_threads = ctx->cfg.threads;
+    frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order;
+    frame_worker_data->pbi->common.large_scale_tile = ctx->tile_mode;
+    frame_worker_data->pbi->common.is_annexb = ctx->is_annexb;
+    frame_worker_data->pbi->dec_tile_row = ctx->decode_tile_row;
+    frame_worker_data->pbi->dec_tile_col = ctx->decode_tile_col;
+    frame_worker_data->pbi->operating_point = ctx->operating_point;
+    frame_worker_data->pbi->output_all_layers = ctx->output_all_layers;
+    frame_worker_data->pbi->ext_tile_debug = ctx->ext_tile_debug;
+    frame_worker_data->pbi->row_mt = ctx->row_mt;
+
+    worker->hook = frame_worker_hook;
+    if (!winterface->reset(worker)) {
+      set_error_detail(ctx, "Frame Worker thread creation failed");
+      return AOM_CODEC_MEM_ERROR;
+    }
+  }
+
+  // If postprocessing was enabled by the application and a
+  // configuration has not been provided, default it.
+  if (!ctx->postproc_cfg_set && (ctx->base.init_flags & AOM_CODEC_USE_POSTPROC))
+    set_default_ppflags(&ctx->postproc_cfg);
+
+  init_buffer_callbacks(ctx);
+
+  return AOM_CODEC_OK;
+}
+
+static INLINE void check_resync(aom_codec_alg_priv_t *const ctx,
+                                const AV1Decoder *const pbi) {
+  // Clear resync flag if worker got a key frame or intra only frame.
+  if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
+      (pbi->common.intra_only || pbi->common.frame_type == KEY_FRAME))
+    ctx->need_resync = 0;
+}
+
+static aom_codec_err_t decode_one(aom_codec_alg_priv_t *ctx,
+                                  const uint8_t **data, size_t data_sz,
+                                  void *user_priv) {
+  const AVxWorkerInterface *const winterface = aom_get_worker_interface();
+
+  // Determine the stream parameters. Note that we rely on peek_si to
+  // validate that we have a buffer that does not wrap around the top
+  // of the heap.
+  if (!ctx->si.h) {
+    int is_intra_only = 0;
+    ctx->si.is_annexb = ctx->is_annexb;
+    const aom_codec_err_t res =
+        decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only);
+    if (res != AOM_CODEC_OK) return res;
+
+    if (!ctx->si.is_kf && !is_intra_only) return AOM_CODEC_ERROR;
+  }
+
+  AVxWorker *const worker = ctx->frame_workers;
+  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+  frame_worker_data->data = *data;
+  frame_worker_data->data_size = data_sz;
+  frame_worker_data->user_priv = user_priv;
+  frame_worker_data->received_frame = 1;
+
+#if CONFIG_INSPECTION
+  frame_worker_data->pbi->inspect_cb = ctx->inspect_cb;
+  frame_worker_data->pbi->inspect_ctx = ctx->inspect_ctx;
+#endif
+
+  frame_worker_data->pbi->common.large_scale_tile = ctx->tile_mode;
+  frame_worker_data->pbi->dec_tile_row = ctx->decode_tile_row;
+  frame_worker_data->pbi->dec_tile_col = ctx->decode_tile_col;
+  frame_worker_data->pbi->ext_tile_debug = ctx->ext_tile_debug;
+  frame_worker_data->pbi->row_mt = ctx->row_mt;
+  frame_worker_data->pbi->ext_refs = ctx->ext_refs;
+
+  frame_worker_data->pbi->common.is_annexb = ctx->is_annexb;
+
+  worker->had_error = 0;
+  winterface->execute(worker);
+
+  // Update data pointer after decode.
+  *data = frame_worker_data->data_end;
+
+  if (worker->had_error)
+    return update_error_state(ctx, &frame_worker_data->pbi->common.error);
+
+  check_resync(ctx, frame_worker_data->pbi);
+
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t decoder_decode(aom_codec_alg_priv_t *ctx,
+                                      const uint8_t *data, size_t data_sz,
+                                      void *user_priv) {
+  aom_codec_err_t res = AOM_CODEC_OK;
+
+  // Release any pending output frames from the previous decoder_decode call.
+  // We need to do this even if the decoder is being flushed or the input
+  // arguments are invalid.
+  if (ctx->frame_workers) {
+    BufferPool *const pool = ctx->buffer_pool;
+    RefCntBuffer *const frame_bufs = pool->frame_bufs;
+    lock_buffer_pool(pool);
+    for (int i = 0; i < ctx->num_frame_workers; ++i) {
+      AVxWorker *const worker = &ctx->frame_workers[i];
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      struct AV1Decoder *pbi = frame_worker_data->pbi;
+      for (size_t j = 0; j < pbi->num_output_frames; j++) {
+        decrease_ref_count((int)pbi->output_frame_index[j], frame_bufs, pool);
+      }
+      pbi->num_output_frames = 0;
+    }
+    unlock_buffer_pool(ctx->buffer_pool);
+  }
+
+  /* Sanity checks */
+  /* NULL data ptr allowed if data_sz is 0 too */
+  if (data == NULL && data_sz == 0) {
+    ctx->flushed = 1;
+    return AOM_CODEC_OK;
+  }
+  if (data == NULL || data_sz == 0) return AOM_CODEC_INVALID_PARAM;
+
+  // Reset flushed when receiving a valid frame.
+  ctx->flushed = 0;
+
+  // Initialize the decoder workers on the first frame.
+  if (ctx->frame_workers == NULL) {
+    res = init_decoder(ctx);
+    if (res != AOM_CODEC_OK) return res;
+  }
+
+  const uint8_t *data_start = data;
+  const uint8_t *data_end = data + data_sz;
+
+  if (ctx->is_annexb) {
+    // read the size of this temporal unit
+    size_t length_of_size;
+    uint64_t temporal_unit_size;
+    if (aom_uleb_decode(data_start, data_sz, &temporal_unit_size,
+                        &length_of_size) != 0) {
+      return AOM_CODEC_CORRUPT_FRAME;
+    }
+    data_start += length_of_size;
+    if (temporal_unit_size > (size_t)(data_end - data_start))
+      return AOM_CODEC_CORRUPT_FRAME;
+    data_end = data_start + temporal_unit_size;
+  }
+
+  // Decode in serial mode.
+  while (data_start < data_end) {
+    uint64_t frame_size;
+    if (ctx->is_annexb) {
+      // read the size of this frame unit
+      size_t length_of_size;
+      if (aom_uleb_decode(data_start, (size_t)(data_end - data_start),
+                          &frame_size, &length_of_size) != 0) {
+        return AOM_CODEC_CORRUPT_FRAME;
+      }
+      data_start += length_of_size;
+      if (frame_size > (size_t)(data_end - data_start))
+        return AOM_CODEC_CORRUPT_FRAME;
+    } else {
+      frame_size = (uint64_t)(data_end - data_start);
+    }
+
+    res = decode_one(ctx, &data_start, (size_t)frame_size, user_priv);
+    if (res != AOM_CODEC_OK) return res;
+
+    // Allow extra zero bytes after the frame end
+    while (data_start < data_end) {
+      const uint8_t marker = data_start[0];
+      if (marker) break;
+      ++data_start;
+    }
+  }
+
+  return res;
+}
+
+// If grain_params->apply_grain is false, returns img. Otherwise, adds film
+// grain to img, saves the result in *grain_img_ptr (allocating *grain_img_ptr
+// if necessary), and returns *grain_img_ptr.
+static aom_image_t *add_grain_if_needed(aom_image_t *img,
+                                        aom_image_t **grain_img_ptr,
+                                        aom_film_grain_t *grain_params) {
+  if (!grain_params->apply_grain) return img;
+
+  aom_image_t *grain_img_buf = *grain_img_ptr;
+
+  const int w_even = ALIGN_POWER_OF_TWO(img->d_w, 1);
+  const int h_even = ALIGN_POWER_OF_TWO(img->d_h, 1);
+
+  if (grain_img_buf) {
+    const int alloc_w = ALIGN_POWER_OF_TWO(grain_img_buf->d_w, 1);
+    const int alloc_h = ALIGN_POWER_OF_TWO(grain_img_buf->d_h, 1);
+    if (w_even != alloc_w || h_even != alloc_h ||
+        img->fmt != grain_img_buf->fmt) {
+      aom_img_free(grain_img_buf);
+      grain_img_buf = NULL;
+      *grain_img_ptr = NULL;
+    }
+  }
+  if (!grain_img_buf) {
+    grain_img_buf = aom_img_alloc(NULL, img->fmt, w_even, h_even, 16);
+    *grain_img_ptr = grain_img_buf;
+  }
+
+  if (grain_img_buf) {
+    grain_img_buf->user_priv = img->user_priv;
+    if (av1_add_film_grain(grain_params, img, grain_img_buf)) {
+      aom_img_free(grain_img_buf);
+      grain_img_buf = NULL;
+      *grain_img_ptr = NULL;
+    }
+  }
+
+  return grain_img_buf;
+}
+
+static aom_image_t *decoder_get_frame(aom_codec_alg_priv_t *ctx,
+                                      aom_codec_iter_t *iter) {
+  aom_image_t *img = NULL;
+
+  if (!iter) {
+    return NULL;
+  }
+
+  // To avoid having to allocate any extra storage, treat 'iter' as
+  // simply a pointer to an integer index
+  uintptr_t *index = (uintptr_t *)iter;
+
+  if (ctx->frame_workers != NULL) {
+    do {
+      YV12_BUFFER_CONFIG *sd;
+      // NOTE(david.barker): This code does not support multiple worker threads
+      // yet. We should probably move the iteration over threads into *iter
+      // instead of using ctx->next_output_worker_id.
+      const AVxWorkerInterface *const winterface = aom_get_worker_interface();
+      AVxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      ctx->next_output_worker_id =
+          (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
+      // Wait for the frame from worker thread.
+      if (winterface->sync(worker)) {
+        // Check if worker has received any frames.
+        if (frame_worker_data->received_frame == 1) {
+          ++ctx->available_threads;
+          frame_worker_data->received_frame = 0;
+          check_resync(ctx, frame_worker_data->pbi);
+        }
+        aom_film_grain_t *grain_params;
+        if (av1_get_raw_frame(frame_worker_data->pbi, *index, &sd,
+                              &grain_params) == 0) {
+          AV1Decoder *const pbi = frame_worker_data->pbi;
+          AV1_COMMON *const cm = &pbi->common;
+          RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
+          ctx->last_show_frame = cm->new_fb_idx;
+          if (ctx->need_resync) return NULL;
+          yuvconfig2image(&ctx->img, sd, frame_worker_data->user_priv);
+
+          if (!pbi->ext_tile_debug && cm->large_scale_tile) {
+            *index += 1;  // Advance the iterator to point to the next image
+            img = &ctx->img;
+            img->img_data = pbi->tile_list_output;
+            img->sz = pbi->tile_list_size;
+            return img;
+          }
+
+          const int num_planes = av1_num_planes(cm);
+          if (pbi->ext_tile_debug && cm->single_tile_decoding &&
+              pbi->dec_tile_row >= 0) {
+            const int tile_row = AOMMIN(pbi->dec_tile_row, cm->tile_rows - 1);
+            const int mi_row = tile_row * cm->tile_height;
+            const int ssy = ctx->img.y_chroma_shift;
+            int plane;
+            ctx->img.planes[0] += mi_row * MI_SIZE * ctx->img.stride[0];
+            if (num_planes > 1) {
+              for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
+                ctx->img.planes[plane] +=
+                    mi_row * (MI_SIZE >> ssy) * ctx->img.stride[plane];
+              }
+            }
+            ctx->img.d_h =
+                AOMMIN(cm->tile_height, cm->mi_rows - mi_row) * MI_SIZE;
+          }
+
+          if (pbi->ext_tile_debug && cm->single_tile_decoding &&
+              pbi->dec_tile_col >= 0) {
+            const int tile_col = AOMMIN(pbi->dec_tile_col, cm->tile_cols - 1);
+            const int mi_col = tile_col * cm->tile_width;
+            const int ssx = ctx->img.x_chroma_shift;
+            const int is_hbd =
+                (ctx->img.fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 1 : 0;
+            int plane;
+            ctx->img.planes[0] += mi_col * MI_SIZE * (1 + is_hbd);
+            if (num_planes > 1) {
+              for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
+                ctx->img.planes[plane] +=
+                    mi_col * (MI_SIZE >> ssx) * (1 + is_hbd);
+              }
+            }
+            ctx->img.d_w =
+                AOMMIN(cm->tile_width, cm->mi_cols - mi_col) * MI_SIZE;
+          }
+
+          ctx->img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
+          img = &ctx->img;
+          img->temporal_id = cm->temporal_layer_id;
+          img->spatial_id = cm->spatial_layer_id;
+          if (cm->skip_film_grain) grain_params->apply_grain = 0;
+          aom_image_t *res = add_grain_if_needed(
+              img, &ctx->image_with_grain[*index], grain_params);
+          if (!res) {
+            aom_internal_error(&pbi->common.error, AOM_CODEC_CORRUPT_FRAME,
+                               "Grain systhesis failed\n");
+          }
+          *index += 1;  // Advance the iterator to point to the next image
+          return res;
+        }
+      } else {
+        // Decoding failed. Release the worker thread.
+        frame_worker_data->received_frame = 0;
+        ++ctx->available_threads;
+        ctx->need_resync = 1;
+        if (ctx->flushed != 1) return NULL;
+      }
+    } while (ctx->next_output_worker_id != ctx->next_submit_worker_id);
+  }
+  return NULL;
+}
+
+static aom_codec_err_t decoder_set_fb_fn(
+    aom_codec_alg_priv_t *ctx, aom_get_frame_buffer_cb_fn_t cb_get,
+    aom_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
+  if (cb_get == NULL || cb_release == NULL) {
+    return AOM_CODEC_INVALID_PARAM;
+  } else if (ctx->frame_workers == NULL) {
+    // If the decoder has already been initialized, do not accept changes to
+    // the frame buffer functions.
+    ctx->get_ext_fb_cb = cb_get;
+    ctx->release_ext_fb_cb = cb_release;
+    ctx->ext_priv = cb_priv;
+    return AOM_CODEC_OK;
+  }
+
+  return AOM_CODEC_ERROR;
+}
+
+static aom_codec_err_t ctrl_set_reference(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  av1_ref_frame_t *const data = va_arg(args, av1_ref_frame_t *);
+
+  if (data) {
+    av1_ref_frame_t *const frame = data;
+    YV12_BUFFER_CONFIG sd;
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    image2yuvconfig(&frame->img, &sd);
+    return av1_set_reference_dec(&frame_worker_data->pbi->common, frame->idx,
+                                 frame->use_external_ref, &sd);
+  } else {
+    return AOM_CODEC_INVALID_PARAM;
+  }
+}
+
+static aom_codec_err_t ctrl_copy_reference(aom_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  const av1_ref_frame_t *const frame = va_arg(args, av1_ref_frame_t *);
+  if (frame) {
+    YV12_BUFFER_CONFIG sd;
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    image2yuvconfig(&frame->img, &sd);
+    return av1_copy_reference_dec(frame_worker_data->pbi, frame->idx, &sd);
+  } else {
+    return AOM_CODEC_INVALID_PARAM;
+  }
+}
+
+static aom_codec_err_t ctrl_get_reference(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  av1_ref_frame_t *data = va_arg(args, av1_ref_frame_t *);
+  if (data) {
+    YV12_BUFFER_CONFIG *fb;
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    fb = get_ref_frame(&frame_worker_data->pbi->common, data->idx);
+    if (fb == NULL) return AOM_CODEC_ERROR;
+    yuvconfig2image(&data->img, fb, NULL);
+    return AOM_CODEC_OK;
+  } else {
+    return AOM_CODEC_INVALID_PARAM;
+  }
+}
+
+static aom_codec_err_t ctrl_get_new_frame_image(aom_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  aom_image_t *new_img = va_arg(args, aom_image_t *);
+  if (new_img) {
+    YV12_BUFFER_CONFIG new_frame;
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+
+    if (av1_get_frame_to_show(frame_worker_data->pbi, &new_frame) == 0) {
+      yuvconfig2image(new_img, &new_frame, NULL);
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  } else {
+    return AOM_CODEC_INVALID_PARAM;
+  }
+}
+
+static aom_codec_err_t ctrl_copy_new_frame_image(aom_codec_alg_priv_t *ctx,
+                                                 va_list args) {
+  aom_image_t *img = va_arg(args, aom_image_t *);
+  if (img) {
+    YV12_BUFFER_CONFIG new_frame;
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+
+    if (av1_get_frame_to_show(frame_worker_data->pbi, &new_frame) == 0) {
+      YV12_BUFFER_CONFIG sd;
+      image2yuvconfig(img, &sd);
+      return av1_copy_new_frame_dec(&frame_worker_data->pbi->common, &new_frame,
+                                    &sd);
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  } else {
+    return AOM_CODEC_INVALID_PARAM;
+  }
+}
+
+static aom_codec_err_t ctrl_set_postproc(aom_codec_alg_priv_t *ctx,
+                                         va_list args) {
+  (void)ctx;
+  (void)args;
+  return AOM_CODEC_INCAPABLE;
+}
+
+static aom_codec_err_t ctrl_set_dbg_options(aom_codec_alg_priv_t *ctx,
+                                            va_list args) {
+  (void)ctx;
+  (void)args;
+  return AOM_CODEC_INCAPABLE;
+}
+
+static aom_codec_err_t ctrl_get_last_ref_updates(aom_codec_alg_priv_t *ctx,
+                                                 va_list args) {
+  int *const update_info = va_arg(args, int *);
+
+  if (update_info) {
+    if (ctx->frame_workers) {
+      AVxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      *update_info = frame_worker_data->pbi->refresh_frame_flags;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_get_last_quantizer(aom_codec_alg_priv_t *ctx,
+                                               va_list args) {
+  int *const arg = va_arg(args, int *);
+  if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
+  *arg =
+      ((FrameWorkerData *)ctx->frame_workers[0].data1)->pbi->common.base_qindex;
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_get_frame_corrupted(aom_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  int *corrupted = va_arg(args, int *);
+
+  if (corrupted) {
+    if (ctx->frame_workers) {
+      AVxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      AV1Decoder *const pbi = frame_worker_data->pbi;
+      RefCntBuffer *const frame_bufs = pbi->common.buffer_pool->frame_bufs;
+      if (pbi->seen_frame_header && pbi->num_output_frames == 0)
+        return AOM_CODEC_ERROR;
+      if (ctx->last_show_frame >= 0)
+        *corrupted = frame_bufs[ctx->last_show_frame].buf.corrupted;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_get_frame_size(aom_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  int *const frame_size = va_arg(args, int *);
+
+  if (frame_size) {
+    if (ctx->frame_workers) {
+      AVxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
+      frame_size[0] = cm->width;
+      frame_size[1] = cm->height;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_get_frame_header_info(aom_codec_alg_priv_t *ctx,
+                                                  va_list args) {
+  aom_tile_data *const frame_header_info = va_arg(args, aom_tile_data *);
+
+  if (frame_header_info) {
+    if (ctx->frame_workers) {
+      AVxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1Decoder *pbi = frame_worker_data->pbi;
+      frame_header_info->coded_tile_data_size = pbi->obu_size_hdr.size;
+      frame_header_info->coded_tile_data = pbi->obu_size_hdr.data;
+      frame_header_info->extra_size = pbi->frame_header_size;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_get_tile_data(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  aom_tile_data *const tile_data = va_arg(args, aom_tile_data *);
+
+  if (tile_data) {
+    if (ctx->frame_workers) {
+      AVxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1Decoder *pbi = frame_worker_data->pbi;
+      tile_data->coded_tile_data_size =
+          pbi->tile_buffers[pbi->dec_tile_row][pbi->dec_tile_col].size;
+      tile_data->coded_tile_data =
+          pbi->tile_buffers[pbi->dec_tile_row][pbi->dec_tile_col].data;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_set_ext_ref_ptr(aom_codec_alg_priv_t *ctx,
+                                            va_list args) {
+  av1_ext_ref_frame_t *const data = va_arg(args, av1_ext_ref_frame_t *);
+
+  if (data) {
+    av1_ext_ref_frame_t *const ext_frames = data;
+    ctx->ext_refs.num = ext_frames->num;
+    for (int i = 0; i < ctx->ext_refs.num; i++) {
+      image2yuvconfig(ext_frames->img++, &ctx->ext_refs.refs[i]);
+    }
+    return AOM_CODEC_OK;
+  } else {
+    return AOM_CODEC_INVALID_PARAM;
+  }
+}
+
+static aom_codec_err_t ctrl_get_render_size(aom_codec_alg_priv_t *ctx,
+                                            va_list args) {
+  int *const render_size = va_arg(args, int *);
+
+  if (render_size) {
+    if (ctx->frame_workers) {
+      AVxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
+      render_size[0] = cm->render_width;
+      render_size[1] = cm->render_height;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_get_bit_depth(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  unsigned int *const bit_depth = va_arg(args, unsigned int *);
+  AVxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
+
+  if (bit_depth) {
+    if (worker) {
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
+      *bit_depth = cm->seq_params.bit_depth;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_img_fmt_t get_img_format(int subsampling_x, int subsampling_y,
+                                    int use_highbitdepth) {
+  aom_img_fmt_t fmt = 0;
+
+  if (subsampling_x == 0 && subsampling_y == 0)
+    fmt = AOM_IMG_FMT_I444;
+  else if (subsampling_x == 1 && subsampling_y == 0)
+    fmt = AOM_IMG_FMT_I422;
+  else if (subsampling_x == 1 && subsampling_y == 1)
+    fmt = AOM_IMG_FMT_I420;
+
+  if (use_highbitdepth) fmt |= AOM_IMG_FMT_HIGHBITDEPTH;
+  return fmt;
+}
+
+static aom_codec_err_t ctrl_get_img_format(aom_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  aom_img_fmt_t *const img_fmt = va_arg(args, aom_img_fmt_t *);
+  AVxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
+
+  if (img_fmt) {
+    if (worker) {
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
+
+      *img_fmt = get_img_format(cm->seq_params.subsampling_x,
+                                cm->seq_params.subsampling_y,
+                                cm->seq_params.use_highbitdepth);
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_get_tile_size(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  unsigned int *const tile_size = va_arg(args, unsigned int *);
+  AVxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
+
+  if (tile_size) {
+    if (worker) {
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
+      *tile_size =
+          ((cm->tile_width * MI_SIZE) << 16) + cm->tile_height * MI_SIZE;
+      return AOM_CODEC_OK;
+    } else {
+      return AOM_CODEC_ERROR;
+    }
+  }
+  return AOM_CODEC_INVALID_PARAM;
+}
+
+static aom_codec_err_t ctrl_set_invert_tile_order(aom_codec_alg_priv_t *ctx,
+                                                  va_list args) {
+  ctx->invert_tile_order = va_arg(args, int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_byte_alignment(aom_codec_alg_priv_t *ctx,
+                                               va_list args) {
+  const int legacy_byte_alignment = 0;
+  const int min_byte_alignment = 32;
+  const int max_byte_alignment = 1024;
+  const int byte_alignment = va_arg(args, int);
+
+  if (byte_alignment != legacy_byte_alignment &&
+      (byte_alignment < min_byte_alignment ||
+       byte_alignment > max_byte_alignment ||
+       (byte_alignment & (byte_alignment - 1)) != 0))
+    return AOM_CODEC_INVALID_PARAM;
+
+  ctx->byte_alignment = byte_alignment;
+  if (ctx->frame_workers) {
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi->common.byte_alignment = byte_alignment;
+  }
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_skip_loop_filter(aom_codec_alg_priv_t *ctx,
+                                                 va_list args) {
+  ctx->skip_loop_filter = va_arg(args, int);
+
+  if (ctx->frame_workers) {
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi->common.skip_loop_filter = ctx->skip_loop_filter;
+  }
+
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_skip_film_grain(aom_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  ctx->skip_film_grain = va_arg(args, int);
+
+  if (ctx->frame_workers) {
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi->common.skip_film_grain = ctx->skip_film_grain;
+  }
+
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_get_accounting(aom_codec_alg_priv_t *ctx,
+                                           va_list args) {
+#if !CONFIG_ACCOUNTING
+  (void)ctx;
+  (void)args;
+  return AOM_CODEC_INCAPABLE;
+#else
+  if (ctx->frame_workers) {
+    AVxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    AV1Decoder *pbi = frame_worker_data->pbi;
+    Accounting **acct = va_arg(args, Accounting **);
+    *acct = &pbi->accounting;
+    return AOM_CODEC_OK;
+  }
+  return AOM_CODEC_ERROR;
+#endif
+}
+static aom_codec_err_t ctrl_set_decode_tile_row(aom_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  ctx->decode_tile_row = va_arg(args, int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_decode_tile_col(aom_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  ctx->decode_tile_col = va_arg(args, int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_tile_mode(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  ctx->tile_mode = va_arg(args, unsigned int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_is_annexb(aom_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  ctx->is_annexb = va_arg(args, unsigned int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_operating_point(aom_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  ctx->operating_point = va_arg(args, int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_output_all_layers(aom_codec_alg_priv_t *ctx,
+                                                  va_list args) {
+  ctx->output_all_layers = va_arg(args, int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_inspection_callback(aom_codec_alg_priv_t *ctx,
+                                                    va_list args) {
+#if !CONFIG_INSPECTION
+  (void)ctx;
+  (void)args;
+  return AOM_CODEC_INCAPABLE;
+#else
+  aom_inspect_init *init = va_arg(args, aom_inspect_init *);
+  ctx->inspect_cb = init->inspect_cb;
+  ctx->inspect_ctx = init->inspect_ctx;
+  return AOM_CODEC_OK;
+#endif
+}
+
+static aom_codec_err_t ctrl_ext_tile_debug(aom_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  ctx->ext_tile_debug = va_arg(args, int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_err_t ctrl_set_row_mt(aom_codec_alg_priv_t *ctx,
+                                       va_list args) {
+  ctx->row_mt = va_arg(args, unsigned int);
+  return AOM_CODEC_OK;
+}
+
+static aom_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
+  { AV1_COPY_REFERENCE, ctrl_copy_reference },
+
+  // Setters
+  { AV1_SET_REFERENCE, ctrl_set_reference },
+  { AOM_SET_POSTPROC, ctrl_set_postproc },
+  { AOM_SET_DBG_COLOR_REF_FRAME, ctrl_set_dbg_options },
+  { AOM_SET_DBG_COLOR_MB_MODES, ctrl_set_dbg_options },
+  { AOM_SET_DBG_COLOR_B_MODES, ctrl_set_dbg_options },
+  { AOM_SET_DBG_DISPLAY_MV, ctrl_set_dbg_options },
+  { AV1_INVERT_TILE_DECODE_ORDER, ctrl_set_invert_tile_order },
+  { AV1_SET_BYTE_ALIGNMENT, ctrl_set_byte_alignment },
+  { AV1_SET_SKIP_LOOP_FILTER, ctrl_set_skip_loop_filter },
+  { AV1_SET_DECODE_TILE_ROW, ctrl_set_decode_tile_row },
+  { AV1_SET_DECODE_TILE_COL, ctrl_set_decode_tile_col },
+  { AV1_SET_TILE_MODE, ctrl_set_tile_mode },
+  { AV1D_SET_IS_ANNEXB, ctrl_set_is_annexb },
+  { AV1D_SET_OPERATING_POINT, ctrl_set_operating_point },
+  { AV1D_SET_OUTPUT_ALL_LAYERS, ctrl_set_output_all_layers },
+  { AV1_SET_INSPECTION_CALLBACK, ctrl_set_inspection_callback },
+  { AV1D_EXT_TILE_DEBUG, ctrl_ext_tile_debug },
+  { AV1D_SET_ROW_MT, ctrl_set_row_mt },
+  { AV1D_SET_EXT_REF_PTR, ctrl_set_ext_ref_ptr },
+  { AV1D_SET_SKIP_FILM_GRAIN, ctrl_set_skip_film_grain },
+
+  // Getters
+  { AOMD_GET_FRAME_CORRUPTED, ctrl_get_frame_corrupted },
+  { AOMD_GET_LAST_QUANTIZER, ctrl_get_last_quantizer },
+  { AOMD_GET_LAST_REF_UPDATES, ctrl_get_last_ref_updates },
+  { AV1D_GET_BIT_DEPTH, ctrl_get_bit_depth },
+  { AV1D_GET_IMG_FORMAT, ctrl_get_img_format },
+  { AV1D_GET_TILE_SIZE, ctrl_get_tile_size },
+  { AV1D_GET_DISPLAY_SIZE, ctrl_get_render_size },
+  { AV1D_GET_FRAME_SIZE, ctrl_get_frame_size },
+  { AV1_GET_ACCOUNTING, ctrl_get_accounting },
+  { AV1_GET_NEW_FRAME_IMAGE, ctrl_get_new_frame_image },
+  { AV1_COPY_NEW_FRAME_IMAGE, ctrl_copy_new_frame_image },
+  { AV1_GET_REFERENCE, ctrl_get_reference },
+  { AV1D_GET_FRAME_HEADER_INFO, ctrl_get_frame_header_info },
+  { AV1D_GET_TILE_DATA, ctrl_get_tile_data },
+
+  { -1, NULL },
+};
+
+#ifndef VERSION_STRING
+#define VERSION_STRING
+#endif
+CODEC_INTERFACE(aom_codec_av1_dx) = {
+  "AOMedia Project AV1 Decoder" VERSION_STRING,
+  AOM_CODEC_INTERNAL_ABI_VERSION,
+  AOM_CODEC_CAP_DECODER |
+      AOM_CODEC_CAP_EXTERNAL_FRAME_BUFFER,  // aom_codec_caps_t
+  decoder_init,                             // aom_codec_init_fn_t
+  decoder_destroy,                          // aom_codec_destroy_fn_t
+  decoder_ctrl_maps,                        // aom_codec_ctrl_fn_map_t
+  {
+      // NOLINT
+      decoder_peek_si,    // aom_codec_peek_si_fn_t
+      decoder_get_si,     // aom_codec_get_si_fn_t
+      decoder_decode,     // aom_codec_decode_fn_t
+      decoder_get_frame,  // aom_codec_get_frame_fn_t
+      decoder_set_fb_fn,  // aom_codec_set_fb_fn_t
+  },
+  {
+      // NOLINT
+      0,
+      NULL,  // aom_codec_enc_cfg_map_t
+      NULL,  // aom_codec_encode_fn_t
+      NULL,  // aom_codec_get_cx_data_fn_t
+      NULL,  // aom_codec_enc_config_set_fn_t
+      NULL,  // aom_codec_get_global_headers_fn_t
+      NULL,  // aom_codec_get_preview_frame_fn_t
+      NULL   // aom_codec_enc_mr_get_mem_loc_fn_t
+  }
+};