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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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✗ |
static int FUNC(update_segmentation)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrameHeader *current) |
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{ |
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bc_f(1, update_segment_map); |
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bc_f(1, update_segment_feature_data); |
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if (current->update_segment_feature_data) { |
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bc_f(1, segment_feature_mode); |
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// quantizer |
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for (int i = 0; i < 4; i++) { |
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bc_b(segment_qp_update[i]); |
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if (current->segment_qp_update[i]) |
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bc_ss(7, segment_qp[i], 1, i); |
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} |
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// loop filter |
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for (int i = 0; i < 4; i++) { |
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bc_b(segment_loop_filter_level_update[i]); |
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if (current->segment_loop_filter_level_update[i]) |
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bc_ss(6, segment_loop_filter_level[i], 1, i); |
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} |
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} |
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if (current->update_segment_map) { |
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for (int i = 0; i < 3; i++) { |
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bc_b(segment_probs_update[i]); |
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if (current->segment_probs_update[i]) |
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bc_fs(8, segment_probs[i], 1, i); |
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} |
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} |
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return 0; |
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} |
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static int FUNC(mode_ref_lf_deltas)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrameHeader *current) |
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{ |
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bc_f(1, mode_ref_lf_delta_enable); |
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if (current->mode_ref_lf_delta_enable) { |
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bc_b(mode_ref_lf_delta_update); |
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if (current->mode_ref_lf_delta_update) { |
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// ref_lf_deltas |
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for (int i = 0; i < 4; i++) { |
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bc_b(ref_lf_deltas_update[i]); |
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if (current->ref_lf_deltas_update[i]) |
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bc_ss(6, ref_lf_deltas[i], 1, i); |
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} |
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// mode_lf_deltas |
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for (int i = 0; i < 4; i++) { |
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bc_b(mode_lf_deltas_update[i]); |
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if (current->mode_lf_deltas_update[i]) |
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bc_ss(6, mode_lf_deltas[i], 1, i); |
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} |
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} |
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} |
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return 0; |
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} |
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static int FUNC(quantization_params)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrameHeader *current) |
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{ |
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bc_f(7, base_qindex); |
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bc_b(y1dc_delta_q_present); |
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if (current->y1dc_delta_q_present) |
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bc_s(4, y1dc_delta_q); |
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bc_b(y2dc_delta_q_present); |
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if (current->y2dc_delta_q_present) |
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bc_s(4, y2dc_delta_q); |
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bc_b(y2ac_delta_q_present); |
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if (current->y2ac_delta_q_present) |
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bc_s(4, y2ac_delta_q); |
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bc_b(uvdc_delta_q_present); |
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if (current->uvdc_delta_q_present) |
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bc_s(4, uvdc_delta_q); |
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bc_b(uvac_delta_q_present); |
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if (current->uvac_delta_q_present) |
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bc_s(4, uvac_delta_q); |
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return 0; |
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} |
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static int FUNC(update_token_probs)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrameHeader *current) |
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{ |
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for (int i = 0; i < 4; ++i) { |
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for (int j = 0; j < 8; ++j) { |
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for (int k = 0; k < 3; ++k) { |
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for (int l = 0; l < 11; ++l) { |
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bc_b_prob(ff_vp8_token_update_probs[i][j][k][l], |
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coeff_prob_update[i][j][k][l]); |
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if (current->coeff_prob_update[i][j][k][l]) |
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bc_fs(8, coeff_prob[i][j][k][l], 4, i, j, k, l); |
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} |
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} |
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} |
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} |
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return 0; |
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} |
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static int FUNC(update_mv_probs)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrameHeader *current) |
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{ |
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for (int i = 0; i < 2; ++i) { |
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for (int j = 0; j < 19; ++j) { |
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bc_b(mv_prob_update[i][j]); |
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if (current->mv_prob_update[i][j]) |
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bc_fs(7, mv_prob[i][j], 2, i, j); |
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} |
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} |
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return 0; |
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} |
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static int FUNC(frame_tag)(CodedBitstreamContext *ctx, RWContext *rw, |
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VP8RawFrameHeader *current) |
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{ |
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f(1, frame_type); |
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f(3, profile); |
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f(1, show_frame); |
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f(19, first_partition_length_in_bytes); |
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if (current->frame_type == VP8_KEY_FRAME) { |
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fixed(8, start_code_0, VP8_START_CODE_0); |
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fixed(8, start_code_1, VP8_START_CODE_1); |
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fixed(8, start_code_2, VP8_START_CODE_2); |
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f(14, width); |
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f(2, horizontal_scale); |
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f(14, height); |
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f(2, vertical_scale); |
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} |
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return 0; |
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} |
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static int FUNC(frame_header)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrameHeader *current) |
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{ |
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if (current->frame_type == VP8_KEY_FRAME) { |
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bc_f(1, color_space); |
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bc_f(1, clamping_type); |
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} |
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bc_f(1, segmentation_enable); |
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if (current->segmentation_enable) |
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CHECK(FUNC(update_segmentation)(ctx, bool_coding_rw, current)); |
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bc_f(1, loop_filter_type); |
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bc_f(6, loop_filter_level); |
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bc_f(3, loop_filter_sharpness); |
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CHECK(FUNC(mode_ref_lf_deltas)(ctx, bool_coding_rw, current)); |
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bc_f(2, log2_token_partitions); |
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CHECK(FUNC(quantization_params)(ctx, bool_coding_rw, current)); |
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if (current->frame_type != VP8_KEY_FRAME) { |
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bc_f(1, refresh_golden_frame); |
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bc_f(1, refresh_alternate_frame); |
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if (!current->refresh_golden_frame) |
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bc_f(2, copy_buffer_to_golden); |
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if (!current->refresh_alternate_frame) |
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bc_f(2, copy_buffer_to_alternate); |
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bc_f(1, ref_frame_sign_bias_golden); |
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bc_f(1, ref_frame_sign_bias_alternate); |
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} |
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bc_f(1, refresh_entropy_probs); |
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if (current->frame_type != VP8_KEY_FRAME) |
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bc_f(1, refresh_last_frame); |
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CHECK(FUNC(update_token_probs)(ctx, bool_coding_rw, current)); |
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bc_f(1, mb_no_skip_coeff); |
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if (current->mb_no_skip_coeff) |
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bc_f(8, prob_skip_false); |
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if (current->frame_type != VP8_KEY_FRAME) { |
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bc_f(8, prob_intra); |
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bc_f(8, prob_last); |
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bc_f(8, prob_golden); |
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// intra_16x16_prob |
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bc_b(intra_16x16_prob_update); |
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if (current->intra_16x16_prob_update) |
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for (int i = 0; i < 4; i++) |
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bc_fs(8, intra_16x16_prob[i], 1, i); |
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// intra_chroma_prob |
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bc_b(intra_chrome_prob_update); |
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if (current->intra_chrome_prob_update) |
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for (int i = 0; i < 3; i++) |
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bc_fs(8, intra_chrome_prob[i], 1, i); |
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CHECK(FUNC(update_mv_probs)(ctx, bool_coding_rw, current)); |
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} |
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return 0; |
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} |
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static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw, |
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VP8RawFrame *current) |
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{ |
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HEADER("Frame"); |
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CHECK(FUNC(frame_tag)(ctx, rw, ¤t->header)); |
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return 0; |
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} |
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static int FUNC(compressed_header)(CodedBitstreamContext *ctx, |
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CBSVP8BoolCodingRW *bool_coding_rw, |
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VP8RawFrame *current) |
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{ |
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CHECK(FUNC(frame_header)(ctx, bool_coding_rw, ¤t->header)); |
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return 0; |
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} |
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