| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2025 Lynne <dev@lynne.ee> | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "parser.h" | ||
| 22 | #include "bytestream.h" | ||
| 23 | |||
| 24 | ✗ | static int prores_raw_parse(AVCodecParserContext *s, AVCodecContext *avctx, | |
| 25 | const uint8_t **poutbuf, int *poutbuf_size, | ||
| 26 | const uint8_t *buf, int buf_size) | ||
| 27 | { | ||
| 28 | GetByteContext gb; | ||
| 29 | |||
| 30 | ✗ | switch (avctx->codec_tag) { | |
| 31 | ✗ | case 0: | |
| 32 | ✗ | break; | |
| 33 | ✗ | case MKTAG('a','p','r','n'): | |
| 34 | ✗ | avctx->profile = AV_PROFILE_PRORES_RAW; | |
| 35 | ✗ | break; | |
| 36 | ✗ | case MKTAG('a','p','r','h'): | |
| 37 | ✗ | avctx->profile = AV_PROFILE_PRORES_RAW_HQ; | |
| 38 | ✗ | break; | |
| 39 | ✗ | default: | |
| 40 | ✗ | avpriv_request_sample(avctx, "Profile %d", avctx->codec_tag); | |
| 41 | ✗ | return buf_size; | |
| 42 | break; | ||
| 43 | } | ||
| 44 | |||
| 45 | ✗ | bytestream2_init(&gb, buf, buf_size); | |
| 46 | ✗ | if (bytestream2_get_be32(&gb) != buf_size) /* Packet size */ | |
| 47 | ✗ | return buf_size; | |
| 48 | |||
| 49 | ✗ | if (bytestream2_get_le32(&gb) != MKTAG('p','r','r','f')) /* Frame header */ | |
| 50 | ✗ | return buf_size; | |
| 51 | |||
| 52 | ✗ | int header_size = bytestream2_get_be16(&gb); | |
| 53 | ✗ | if (header_size < 62) | |
| 54 | ✗ | return buf_size; | |
| 55 | |||
| 56 | ✗ | bytestream2_skip(&gb, 1); | |
| 57 | ✗ | int version = bytestream2_get_byte(&gb); | |
| 58 | ✗ | if (version > 1) { | |
| 59 | ✗ | avpriv_request_sample(avctx, "Version %d", version); | |
| 60 | ✗ | return buf_size; | |
| 61 | } | ||
| 62 | |||
| 63 | /* Vendor header (e.g. "peac" for Panasonic or "atm0" for Atmos) */ | ||
| 64 | ✗ | bytestream2_skip(&gb, 4); | |
| 65 | |||
| 66 | ✗ | s->width = bytestream2_get_be16(&gb); | |
| 67 | ✗ | s->height = bytestream2_get_be16(&gb); | |
| 68 | ✗ | s->coded_width = FFALIGN(s->width, 16); | |
| 69 | ✗ | s->coded_height = FFALIGN(s->height, 16); | |
| 70 | ✗ | s->format = AV_PIX_FMT_BAYER_RGGB16; | |
| 71 | ✗ | s->key_frame = 1; | |
| 72 | ✗ | s->pict_type = AV_PICTURE_TYPE_I; | |
| 73 | ✗ | s->field_order = AV_FIELD_PROGRESSIVE; | |
| 74 | ✗ | s->picture_structure = AV_PICTURE_STRUCTURE_FRAME; | |
| 75 | |||
| 76 | /* This parser only performs analysis */ | ||
| 77 | ✗ | *poutbuf = buf; | |
| 78 | ✗ | *poutbuf_size = buf_size; | |
| 79 | |||
| 80 | ✗ | return buf_size; | |
| 81 | } | ||
| 82 | |||
| 83 | const AVCodecParser ff_prores_raw_parser = { | ||
| 84 | .codec_ids = { AV_CODEC_ID_PRORES_RAW }, | ||
| 85 | .parser_parse = prores_raw_parse, | ||
| 86 | }; | ||
| 87 |