| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Apple ProRes compatible decoder | ||
| 3 | * | ||
| 4 | * Copyright (c) 2010-2011 Maxim Poliakovski | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include "config.h" | ||
| 24 | #include "libavutil/attributes.h" | ||
| 25 | #include "libavutil/common.h" | ||
| 26 | #include "idctdsp.h" | ||
| 27 | #include "proresdsp.h" | ||
| 28 | #include "simple_idct.h" | ||
| 29 | |||
| 30 | #define CLIP_MIN (1 << 2) ///< minimum value for clipping resulting pixels | ||
| 31 | #define CLIP_MAX_10 (1 << 10) - CLIP_MIN - 1 ///< maximum value for clipping resulting pixels | ||
| 32 | #define CLIP_MAX_12 (1 << 12) - CLIP_MIN - 1 ///< maximum value for clipping resulting pixels | ||
| 33 | |||
| 34 | #define CLIP_10(x) (av_clip((x), CLIP_MIN, CLIP_MAX_10)) | ||
| 35 | #define CLIP_12(x) (av_clip((x), CLIP_MIN, CLIP_MAX_12)) | ||
| 36 | |||
| 37 | /** | ||
| 38 | * Add bias value, clamp and output pixels of a slice | ||
| 39 | */ | ||
| 40 | |||
| 41 | 5126676 | static inline void put_pixel(uint16_t *dst, ptrdiff_t linesize, const int16_t *in, int bits_per_raw_sample) { | |
| 42 | int x, y, src_offset, dst_offset; | ||
| 43 | |||
| 44 |
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46140084 | for (y = 0, dst_offset = 0; y < 8; y++, dst_offset += linesize) { |
| 45 |
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369120672 | for (x = 0; x < 8; x++) { |
| 46 | 328107264 | src_offset = (y << 3) + x; | |
| 47 | |||
| 48 |
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328107264 | if (bits_per_raw_sample == 10) { |
| 49 | 171552768 | dst[dst_offset + x] = CLIP_10(in[src_offset]); | |
| 50 | } else {//12b | ||
| 51 | 156554496 | dst[dst_offset + x] = CLIP_12(in[src_offset]); | |
| 52 | } | ||
| 53 | } | ||
| 54 | } | ||
| 55 | 5126676 | } | |
| 56 | |||
| 57 | 2680512 | static void put_pixels_10(uint16_t *dst, ptrdiff_t linesize, const int16_t *in) | |
| 58 | { | ||
| 59 | 2680512 | put_pixel(dst, linesize, in, 10); | |
| 60 | 2680512 | } | |
| 61 | |||
| 62 | 2446164 | static void put_pixels_12(uint16_t *dst, ptrdiff_t linesize, const int16_t *in) | |
| 63 | { | ||
| 64 | 2446164 | put_pixel(dst, linesize, in, 12); | |
| 65 | 2446164 | } | |
| 66 | |||
| 67 | 2680512 | static void prores_idct_put_10_c(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat) | |
| 68 | { | ||
| 69 | 2680512 | ff_prores_idct_10(block, qmat); | |
| 70 | 2680512 | put_pixels_10(out, linesize >> 1, block); | |
| 71 | 2680512 | } | |
| 72 | |||
| 73 | 2446164 | static void prores_idct_put_12_c(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat) | |
| 74 | { | ||
| 75 | 2446164 | ff_prores_idct_12(block, qmat); | |
| 76 | 2446164 | put_pixels_12(out, linesize >> 1, block); | |
| 77 | 2446164 | } | |
| 78 | |||
| 79 | 73 | av_cold int ff_proresdsp_init(ProresDSPContext *dsp, int bits_per_raw_sample) | |
| 80 | { | ||
| 81 |
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73 | if (bits_per_raw_sample == 10) { |
| 82 | 49 | dsp->idct_put = prores_idct_put_10_c; | |
| 83 | 49 | dsp->idct_permutation_type = FF_IDCT_PERM_NONE; | |
| 84 |
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24 | } else if (bits_per_raw_sample == 12) { |
| 85 | 24 | dsp->idct_put = prores_idct_put_12_c; | |
| 86 | 24 | dsp->idct_permutation_type = FF_IDCT_PERM_NONE; | |
| 87 | } else { | ||
| 88 | ✗ | return AVERROR_BUG; | |
| 89 | } | ||
| 90 | |||
| 91 | #if ARCH_X86 | ||
| 92 | 73 | ff_proresdsp_init_x86(dsp, bits_per_raw_sample); | |
| 93 | #endif | ||
| 94 | |||
| 95 | 73 | ff_init_scantable_permutation(dsp->idct_permutation, | |
| 96 | 73 | dsp->idct_permutation_type); | |
| 97 | 73 | return 0; | |
| 98 | } | ||
| 99 |