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