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96 lines
2.8 KiB
96 lines
2.8 KiB
/* |
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* Dolby Vision RPU decoder |
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* |
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* Copyright (C) 2021 Jan Ekström |
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* Copyright (C) 2021 Niklas Haas |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_DOVI_RPU_H |
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#define AVCODEC_DOVI_RPU_H |
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#include "libavutil/dovi_meta.h" |
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#include "libavutil/frame.h" |
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#define DOVI_MAX_DM_ID 15 |
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typedef struct DOVIContext { |
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void *logctx; |
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/** |
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* Currently active RPU data header, updates on every dovi_rpu_parse(). |
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*/ |
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AVDOVIRpuDataHeader header; |
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/** |
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* Currently active data mappings, or NULL. Points into memory owned by the |
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* corresponding rpu/vdr_ref, which becomes invalid on the next call to |
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* dovi_rpu_parse. |
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*/ |
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const AVDOVIDataMapping *mapping; |
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const AVDOVIColorMetadata *color; |
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/** |
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* Currently active extension blocks, updates on every ff_dovi_rpu_parse() |
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*/ |
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AVDOVIDmData *ext_blocks; |
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int num_ext_blocks; |
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/** |
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* Private fields internal to dovi_rpu.c |
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*/ |
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struct DOVIVdr *vdr[DOVI_MAX_DM_ID+1]; ///< RefStruct references |
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uint8_t *rpu_buf; ///< temporary buffer |
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unsigned rpu_buf_sz; |
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uint8_t dv_profile; |
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} DOVIContext; |
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void ff_dovi_ctx_replace(DOVIContext *s, const DOVIContext *s0); |
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/** |
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* Completely reset a DOVIContext, preserving only logctx. |
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*/ |
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void ff_dovi_ctx_unref(DOVIContext *s); |
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/** |
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* Partially reset the internal state. Resets per-frame state while preserving |
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* fields parsed from the configuration record. |
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*/ |
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void ff_dovi_ctx_flush(DOVIContext *s); |
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/** |
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* Read the contents of an AVDOVIDecoderConfigurationRecord (usually provided |
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* by stream side data) and update internal state accordingly. |
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*/ |
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void ff_dovi_update_cfg(DOVIContext *s, const AVDOVIDecoderConfigurationRecord *cfg); |
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/** |
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* Parse the contents of a Dovi RPU NAL and update the parsed values in the |
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* DOVIContext struct. |
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* |
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* Returns 0 or an error code. |
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*/ |
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int ff_dovi_rpu_parse(DOVIContext *s, const uint8_t *rpu, size_t rpu_size, |
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int err_recognition); |
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/** |
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* Attach the decoded AVDOVIMetadata as side data to an AVFrame. |
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*/ |
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int ff_dovi_attach_side_data(DOVIContext *s, AVFrame *frame); |
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#endif /* AVCODEC_DOVI_RPU_H */
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