| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (C) 2024 Niklas Haas | ||
| 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 | #ifndef SWSCALE_UTILS_H | ||
| 22 | #define SWSCALE_UTILS_H | ||
| 23 | |||
| 24 | #include "libavutil/pixdesc.h" | ||
| 25 | |||
| 26 | #include "swscale.h" | ||
| 27 | |||
| 28 | enum { | ||
| 29 | FIELD_TOP, /* top/even rows, or progressive */ | ||
| 30 | FIELD_BOTTOM, /* bottom/odd rows */ | ||
| 31 | }; | ||
| 32 | |||
| 33 | /* Subset of AVFrame parameters that uniquely determine pixel representation */ | ||
| 34 | typedef struct SwsFormat { | ||
| 35 | int width, height; | ||
| 36 | int interlaced; | ||
| 37 | enum AVPixelFormat format; | ||
| 38 | enum AVColorRange range; | ||
| 39 | enum AVColorPrimaries prim; | ||
| 40 | enum AVColorTransferCharacteristic trc; | ||
| 41 | enum AVColorSpace csp; | ||
| 42 | enum AVChromaLocation loc; | ||
| 43 | const AVPixFmtDescriptor *desc; /* convenience */ | ||
| 44 | } SwsFormat; | ||
| 45 | |||
| 46 | /** | ||
| 47 | * This function also sanitizes and strips the input data, removing irrelevant | ||
| 48 | * fields for certain formats. | ||
| 49 | */ | ||
| 50 | SwsFormat ff_fmt_from_frame(const AVFrame *frame, int field); | ||
| 51 | |||
| 52 | ✗ | static inline int ff_fmt_equal(const SwsFormat *fmt1, const SwsFormat *fmt2) | |
| 53 | { | ||
| 54 | ✗ | return fmt1->width == fmt2->width && | |
| 55 | ✗ | fmt1->height == fmt2->height && | |
| 56 | ✗ | fmt1->interlaced == fmt2->interlaced && | |
| 57 | ✗ | fmt1->format == fmt2->format && | |
| 58 | ✗ | fmt1->range == fmt2->range && | |
| 59 | ✗ | fmt1->prim == fmt2->prim && | |
| 60 | ✗ | fmt1->trc == fmt2->trc && | |
| 61 | ✗ | fmt1->csp == fmt2->csp && | |
| 62 | ✗ | fmt1->loc == fmt2->loc; | |
| 63 | } | ||
| 64 | |||
| 65 | static inline int ff_fmt_align(enum AVPixelFormat fmt) | ||
| 66 | { | ||
| 67 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt); | ||
| 68 | if (desc->flags & AV_PIX_FMT_FLAG_BAYER) { | ||
| 69 | return 2; | ||
| 70 | } else { | ||
| 71 | return 1 << desc->log2_chroma_h; | ||
| 72 | } | ||
| 73 | } | ||
| 74 | |||
| 75 | int ff_test_fmt(const SwsFormat *fmt, int output); | ||
| 76 | |||
| 77 | #endif /* SWSCALE_UTILS_H */ | ||
| 78 |