/*
 *  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.
 */

#ifndef VP9_ENCODER_VP9_BITSTREAM_H_
#define VP9_ENCODER_VP9_BITSTREAM_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "vp9/encoder/vp9_encoder.h"

typedef struct VP9BitstreamWorkerData {
  uint8_t *dest;
  int dest_size;
  TOKENEXTRA *tok;
  TOKENEXTRA *tok_end;
  vpx_writer bit_writer;
  int tile_idx;
  unsigned int max_mv_magnitude;
  // The size of interp_filter_selected in VP9_COMP is actually
  // MAX_REFERENCE_FRAMES x SWITCHABLE. But when encoding tiles, all we ever do
  // is increment the very first index (index 0) for the first dimension. Hence
  // this is sufficient.
  int interp_filter_selected[1][SWITCHABLE];
  DECLARE_ALIGNED(16, MACROBLOCKD, xd);
} VP9BitstreamWorkerData;

int vp9_get_refresh_mask(VP9_COMP *cpi);

void vp9_bitstream_encode_tiles_buffer_dealloc(VP9_COMP *const cpi);

void vp9_pack_bitstream(VP9_COMP *cpi, uint8_t *dest, size_t *size);

static INLINE int vp9_preserve_existing_gf(VP9_COMP *cpi) {
  return !cpi->multi_arf_allowed && cpi->refresh_golden_frame &&
         cpi->rc.is_src_frame_alt_ref &&
         (!cpi->use_svc ||  // Add spatial svc base layer case here
          (is_two_pass_svc(cpi) && cpi->svc.spatial_layer_id == 0 &&
           cpi->svc.layer_context[0].gold_ref_idx >= 0 &&
           cpi->oxcf.ss_enable_auto_arf[0]));
}

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VP9_ENCODER_VP9_BITSTREAM_H_
