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83 lines
3.0 KiB
83 lines
3.0 KiB
/* |
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* FFv1 codec |
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* |
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* Copyright (c) 2024 Lynne <dev@lynne.ee> |
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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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void encode_slice_rgb(inout SliceContext sc, const uint slice_idx) |
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{ |
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int bits = 9; |
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if (bits != 8 || sc.slice_coding_mode != 0) |
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bits = bits_per_raw_sample + int(sc.slice_coding_mode != 1); |
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int run_index = 0; |
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#ifndef GOLOMB |
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if (sc.slice_coding_mode == 1) { |
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if (transparency == 1) { |
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for (int y = 0; y < sc.slice_dim.y; y++) { |
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encode_line_pcm(sc, y, 0, 1, bits); |
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encode_line_pcm(sc, y, 0, 2, bits); |
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encode_line_pcm(sc, y, 0, 0, bits); |
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encode_line_pcm(sc, y, 0, 3, bits); |
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} |
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} else { |
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for (int y = 0; y < sc.slice_dim.y; y++) { |
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encode_line_pcm(sc, y, 0, 1, bits); |
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encode_line_pcm(sc, y, 0, 2, bits); |
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encode_line_pcm(sc, y, 0, 0, bits); |
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} |
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} |
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} else |
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#endif |
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{ |
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uint64_t slice_state_off = uint64_t(slice_state) + |
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slice_idx*plane_state_size*codec_planes; |
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if (transparency == 1) { |
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for (int y = 0; y < sc.slice_dim.y; y++) { |
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encode_line(sc, slice_state_off + plane_state_size*0, |
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y, 0, 1, bits, run_index); |
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encode_line(sc, slice_state_off + plane_state_size*1, |
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y, 0, 2, bits, run_index); |
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encode_line(sc, slice_state_off + plane_state_size*1, |
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y, 0, 0, bits, run_index); |
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encode_line(sc, slice_state_off + plane_state_size*2, |
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y, 0, 3, bits, run_index); |
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} |
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} else { |
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for (int y = 0; y < sc.slice_dim.y; y++) { |
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encode_line(sc, slice_state_off + plane_state_size*0, |
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y, 0, 1, bits, run_index); |
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encode_line(sc, slice_state_off + plane_state_size*1, |
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y, 0, 2, bits, run_index); |
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encode_line(sc, slice_state_off + plane_state_size*1, |
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y, 0, 0, bits, run_index); |
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} |
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} |
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} |
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finalize_slice(sc, slice_idx); |
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} |
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void main(void) |
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{ |
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const uint slice_idx = gl_WorkGroupID.y*gl_NumWorkGroups.x + gl_WorkGroupID.x; |
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encode_slice_rgb(slice_ctx[slice_idx], slice_idx); |
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}
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