/* * Copyright (c) 2019, 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.
*/
/*!\brief Set up the Group-Of-Pictures structure for this GF_GROUP. * *\ingroup rate_control * * This function defines the Group-Of-Pictures structure for this GF_GROUP. * This involves deciding where to place the various FRAME_UPDATE_TYPEs in * the group. It does this primarily by updateing entries in * cpi->twopass.gf_group.update_type[]. * * \param[in] cpi Top - level encoder instance structure * * \remark No return value but this function updates group data structures.
*/ void av1_gop_setup_structure(struct AV1_COMP *cpi);
/*!\brief Check whether a frame in the GOP is a forward key frame * *\ingroup rate_control * * \param[in] gf_group GF/ARF group data structure * \param[in] gf_frame_index GOP index * * \return Return 1 if it is a forward key frame, otherwise return 0
*/ int av1_gop_check_forward_keyframe(const GF_GROUP *gf_group, int gf_frame_index);
/*!\brief Check whether a frame in the GOP is the second arf * *\ingroup rate_control * * \param[in] gf_group GF/ARF group data structure * \param[in] gf_frame_index GOP index * * \return Return 1 if it is the second arf
*/ int av1_gop_is_second_arf(const GF_GROUP *gf_group, int gf_frame_index);
#ifdef __cplusplus
} // extern "C" #endif
#endif// AOM_AV1_ENCODER_GOP_STRUCTURE_H_
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