xref: /aosp_15_r20/external/libaom/av1/decoder/obu.h (revision 77c1e3ccc04c968bd2bc212e87364f250e820521)

/*
 * Copyright (c) 2017, 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.
 */

#ifndef AOM_AV1_DECODER_OBU_H_
#define AOM_AV1_DECODER_OBU_H_

#include "aom/aom_codec.h"
#include "av1/decoder/decoder.h"

// Try to decode one frame from a buffer.
// Returns 1 if we decoded a frame,
//         0 if we didn't decode a frame but that's okay
//           (eg, if there was a frame but we skipped it),
//     or -1 on error
int aom_decode_frame_from_obus(struct AV1Decoder *pbi, const uint8_t *data,
                               const uint8_t *data_end,
                               const uint8_t **p_data_end);

aom_codec_err_t aom_get_num_layers_from_operating_point_idc(
    int operating_point_idc, unsigned int *number_spatial_layers,
    unsigned int *number_temporal_layers);

#endif  // AOM_AV1_DECODER_OBU_H_